An introducer includes an introducer hub and a vasodilating drug-delivery introducer sheath coupled to the hub and extending distally therefrom. The introducer sheath may include a primary lumen and infusion lumens for delivering a therapeutic agent such as a vasodilator through ports in the introducer sheath or may include an outer porous layer for the therapeutic agent to be delivered to the vessel, or may include at least one drug-coated outer layer for the therapeutic agent to be released from the drug-coated outer layer.
A proximal stent-graft retention system includes a stent-graft having a suture loop attached to a proximal end of the stent-graft and a delivery catheter having a distal tip that includes a retention feature. The retention feature can include a slot extending through a sidewall of the distal tip and a trigger wire. The slot of the distal tip exposes a portion of the trigger wire within the tip lumen such that the trigger wire may extend through the suture loop of the stent-graft at the slot of the distal tip of the delivery catheter and is configured to retain the proximal end of the stent-graft in the radially expanded configuration via the suture loop to prevent distal migration and compression of the stent-graft. Proximal retraction of the trigger wire releases the suture loop of the stent-graft such that the stent-graft is no longer coupled to the delivery catheter.
A61F 2/954 - Instruments spécialement adaptés pour insérer ou retirer les stents ou les endoprothèses déployables couvertes pour insérer les stents ou les endoprothèses déployables couvertes dans une bifurcation
Various embodiments of a hermetic assembly and a method of forming such assembly are disclosed. The hermetic assembly includes a dielectric substrate having a first major surface and a second major surface, a patterned layer connected to the first major surface of the dielectric substrate by a laser bond, and a ferrule having a body and a flange extending from the body. The flange is welded to a welding portion of the patterned layer that is disposed between the flange and the first major surface of the dielectric substrate such that the ferrule is hermetically sealed to the dielectric substrate.
A system is provided for identifying and reducing noise in a therapeutic procedure. For example, the system may be configured to measure one or more signals with cardiac activity. The system may be configured to then identify one or more sources of noise that are distorting the one or more signals with cardiac activity and may reduce the one or more sources of noise from the one or more signals with cardiac activity. Subsequently, the system may be configured to determine one or more aggregate cardiac-derived metrics and/or save processed cardiac data based on the one or more signals with cardiac activity with the one or more sources of noise reduced. Additionally, the system may be configured to determine one or more parameters for applying an electrical signal to an anatomical element of a patient based on the one or more aggregate cardiac-derived metrics and/or saved processed cardiac data.
Systems and methods for generating and/or applying an adjustment for one or more parameters of a neuromodulation therapy of a user are provided. One or more physiological-based inputs of the user may be received and a therapy response score may be determined based on the one or more physiological-based inputs. At least one adjustment for one or more parameters of the neuromodulation therapy may be generated based on the therapy response score.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
A61N 1/02 - SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE ÉLECTROTHÉRAPIE; MAGNÉTOTHÉRAPIE; THÉRAPIE PAR RADIATIONS; THÉRAPIE PAR ULTRASONS Électrothérapie; Circuits à cet effet - Parties constitutives
G16H 20/30 - TIC spécialement adaptées aux thérapies ou aux plans d’amélioration de la santé, p.ex. pour manier les prescriptions, orienter la thérapie ou surveiller l’observance par les patients concernant des thérapies ou des activités physiques, p.ex. la physiothérapie, l’acupression ou les exercices
6.
PARAMETER SELECTION FOR ELECTRICAL STIMULATION THERAPY
Devices, systems, and techniques are described for selecting parameters for electrical stimulation therapy. For example, device may include processing circuitry configured to determine a first window of time to sense a physiological signal, determine, based on the first window of time, a second window of time for delivering electrical stimulations, and determine, based on a duration of the second window of time, a number of stimulation pulses deliverable during the second window of time at one or more pulse frequencies. The processing circuitry may then output, based on the number of stimulation pulses deliverable during the second window of time, at least one selectable stimulation parameter that at least partially defines the electrical stimulation, wherein the second window of time is adjacent to the first window of time.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
Medical devices including a balloon and methods of making medical devices including a balloon are provided. The medical device includes a tubular element, a balloon, and a barrier between the tubular element and the balloon. When air is pushed into one end of the medical device, the balloon may be inflated. The method includes applying a barrier to a tubular element, applying an elastomer solution to the barrier and at least a part of the tubular element to form a coating, and curing the coating to form the balloon.
An implantable medical device includes a first lead carrying a first set of electrodes and configured to be implanted in an inter-ventricular septum of a heart to position at least one electrode of the first set of electrodes in a left bundle branch area proximate a left- ventricular septum. The implantable medical lead further includes a second lead carrying a second set of electrodes and configured to be implanted in a coronary sinus of the heart. Sensing circuitry of the implantable medical device is configured to sense depolarizations from pacing pulses delivered by the sets of electrodes. Processing circuitry is configured to determine conduction times of the pacing pulses. The processing circuitry is configured to determine, based on the first conduction time and the second conduction time, whether a left bundle branch area pulse includes left bundle branch pacing.
A61N 1/368 - Stimulateurs cardiaques commandés par un paramètre physiologique, p.ex. par le potentiel cardiaque comprenant plus d'une électrode coopérant avec différentes régions du cœur
This disclosure is directed to devices, systems, and techniques for a medical device to securely communicate with an external device. The medical device may establish a secure communications channel over a wireless connection with an external device. The medical device may negotiate with the external device via the secure communications channel one or more encryption keys. The medical device may encrypt communications via the wireless communication with the external device using the one or more encryption keys.
H04W 12/33 - Sécurité des dispositifs mobiles; Sécurité des applications mobiles utilisant des dispositifs portables, p.ex. utilisant une montre intelligente ou des lunettes intelligentes
G16H 40/67 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santé; TIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement à distance
H04W 4/80 - Services utilisant la communication de courte portée, p.ex. la communication en champ proche, l'identification par radiofréquence ou la communication à faible consommation d’énergie
H04W 12/03 - Protection de la confidentialité, p.ex. par chiffrement
Analyte sensor apparatus, systems, and methods to reduce sensor drift. An analyte sensor apparatus (102) for detecting an analyte such as glucose in a target environment (10) such as a body tissue may include a plurality of electrodes and a controller. The plurality of electrodes may provide a plurality of electrode signals based on the target environment while disposed in the target environment. The controller may be operatively coupled to the plurality of electrodes and configured to receive the plurality of electrode signals. The controller may further be configured to adjust a voltage of at least one electrode of the plurality of electrodes based on a voltage profile to regenerate one or more electrodes of the plurality of electrodes while the at least one electrode is disposed in the target environment. This may allow to correct an electrode drift without removing the electrode from its target environment.
A61B 5/1495 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang Étalonnage ou test des sondes in vivo
A61B 5/1486 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang en utilisant des électrodes enzymatiques, p.ex. avec oxydase immobilisée
A61B 5/145 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang
A glucose sensor includes a working electrode configured to provide a current signal (IsigWE1) based on a level of glucose, a background electrode configured to provide a current signal (IsigWE2) based on a presence of an excipient of insulin, and a controller. The controller is configured to monitor the IsigWE1 at the working electrode, monitor the IsigWE2 at the background electrode, monitor at least one electrochemical impedance spectroscopy (EIS) parameter at the working electrode, and calculate a change in the at least one EIS parameter, detect presence of the excipient of insulin based on the change. In a case where the presence of the excipient of insulin is detected, the controller is further configured to compensate the IsigWE1 based on a predetermined relationship between the IsigWE1 and the IsigWE2, and output the compensated IsigWE1 (IsigCOMP).
A method for treating a spine comprises the steps of: inserting a surgical instrument into a tissue cavity, the surgical instrument including an image guide oriented relative to a sensor to communicate a signal representative of a position of the surgical instrument relative to the tissue cavity; displaying a selected configuration with a distal end of the surgical instrument in the tissue cavity; tracking movement of the selected configuration in the tissue cavity with a tracking device that communicates with a processor to generate data for display of the movement; and determining a volume of the tissue cavity based on the data. Systems, spinal constructs, implants and surgical instruments are disclosed.
A61F 2/46 - Outils particuliers pour l'implantation des articulations artificielles
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
Embodiments of the present disclosure include in-situ formed or in-situ-manufactured expandable cages, expandable implants, and additive-manufacturing systems for printing spinal implants in-situ, and methods for printing the same. Some embodiments may include a robotic subsystem including scanning and imaging equipment configured to scan a patient's anatomy. Some embodiments may further include an armature having a dispensing component configured to dispense at least one printing material and a controller. The controller may be configured to control the scanning and imaging equipment to determine a target alignment of a patient's spine, and develop in-situ-forming instructions including an in-situ relocation plan. In some embodiments, the in-situ-forming instructions may be based on the target alignment of the patient's spine and an interbody access space which may only partially provide access to a disc space between adjacent vertebra of the patients spine. The controller may execute the in-situ-forming instructions to form an interbody cage.
A system is provided for informing a therapeutic procedure. In some embodiments, the system may be configured to determine specific states associated with a sleep-wake cycle of a patient. Additionally, the system may be configured to measure one or more signals with cardiac activity of the patient upon detecting the specific states of the sleep-wake cycle of the patient. Subsequently, the system may be configured to determine one or more parameters for applying an electrical signal to an anatomical element of the patient based on the one or more signals with cardiac activity. In some embodiments, the system may be configured to establish a longitudinal trend of cardiac metrics for the patient based on a plurality of signals with cardiac activity for the patient measured during the specific states of the sleep-wake cycle across a plurality of days.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61B 5/0205 - Evaluation simultanée de l'état cardio-vasculaire et de l'état d'autres parties du corps, p.ex. de l'état cardiaque et respiratoire
15.
STRUCTURES AND TECHNIQUES FOR MEDICAL LEAD FABRICATION
In one example, a lead comprises a plurality of conductors, each conductor of the plurality of conductors comprising a conductor first end, a conductor second end, and a conductor intermediate portion therebetween, and a spline. The lead may include a first set of contacts and a second set of contracts electrically coupled with respective conductors of the plurality of conductors. The second set of contacts may include a plurality of inserts defining a plurality of apertures through which an end of respective conductors is disposed. Tire lead may further include an outer lead body disposed over at least the intermediate portion of the plurality of conductors.
Devices, systems, or methods include generating, by stimulation generation circuitry, a first train of electrical stimulation pulses at a first frequency to a first target tissue; and generating, by the stimulation generation circuitry, a second train of electrical stimulation pulses at a second frequency to a second target tissue different from the first target tissue, wherein at least some electrical stimulation pulses of the first train of electrical stimulation pulses are interleaved with at least some electrical stimulation pulses of the second tram of electrical stimulation pulses. At least the first target tissue is associated with a spinal cord of a patient, and the second target tissue is associated with at least one of a peripheral nerve or a nerve root of the patient.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
An electrochemical cells and methods of forming the same are described. An electrochemical cell includes an anode, a cathode, a separator, and a liquid electrolyte. The cathode includes an active material, a conductive material, a binder, and a gelling electrolyte. The separator is arranged between the anode and the cathode. The separator is configured to prevent direct contact between the anode and the cathode. The liquid electrolyte transports ions between the cathode and the anode.
Electrochemical cells and methods of providing over-discharge protection of the same are disclosed. An electrochemical cell may include a cathode, an anode, a separator, and an electrolyte. The cathode may include a cathode current collector and a cathode active material disposed on at least a portion of the cathode current collector. The anode may include an anode current collector and an anode active material disposed on at least a portion of the anode current collector. The anode current collector may include an anode conductive material and a lithophilic metal layer disposed on the anode conductive material. The lithophilic metal layer may define an outer surface of the anode current collector. The separator may be arranged between the anode and the cathode to prevent direct contact between the anode and the cathode. The electrolyte may transport ions between the cathode and the anode.
An electrochemical cells and methods of forming the same are described. An electrochemical cell includes an anode, a cathode, a separator, and a liquid electrolyte. The cathode includes an active material, a conductive material, a binder, and a gelling electrolyte. The separator is arranged between the anode and the cathode. The separator is configured to prevent direct contact between the anode and the cathode. The liquid electrolyte transports ions between the cathode and the anode.
H01M 4/13 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif Électrodes pour accumulateurs à électrolyte non aqueux, p.ex. pour accumulateurs au lithium; Leurs procédés de fabrication
H01M 10/0565 - Matériaux polymères, p.ex. du type gel ou du type solide
H01M 4/02 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif
20.
OVER-DISCHARGE PROTECTION FOR ELECTROCHEMICAL CELLS
Electrochemical cells and methods of providing over-discharge protection of the same are disclosed. An electrochemical cell may include a cathode, an anode, a separator, and an electrolyte. The cathode may include a cathode current collector and a cathode active material disposed on at least a portion of the cathode current collector. The anode may include an anode current collector and an anode active material disposed on at least a portion of the anode current collector. The anode current collector may include an anode conductive material and a lithophilic metal layer disposed on the anode conductive material. The lithophilic metal layer may define an outer surface of the anode current collector. The separator may be arranged between the anode and the cathode to prevent direct contact between the anode and the cathode. The electrolyte may transport ions between the cathode and the anode.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
21.
METHOD TO SUPERIMPOSE RENDERING OVER SPINE HARDWARE IMPLANTS ON IMAGES PRODUCED BY CBCT SCANNER SYSTEM
A method for controlling charging a power source of an implantable medical device (IMD) in a patient including determining a power being delivered to a primary coil of an external charging device for recharging, determining an estimated power delivered to the IMD power source an estimated heat generated by the primary coil based on a resistance of the primary coil determined as function of at least one of a recharge frequency, a temperature of the primary coil, and a current supplied to the primary coil, calculating an estimated heat generated by the IMD by subtracting the estimated heat generated by the primary coil and the estimated power delivered stored by the rechargeable power source from the power being delivered to a primary coil; and controlling based on the heat generated by the IMD, the power being delivered by the primary coil of the external charging device.
A61N 1/372 - Aménagements en relation avec l'implantation des stimulateurs
H02J 50/10 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif
H02J 50/80 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre l’échange de données, concernant l’alimentation ou la distribution d’énergie électrique, entre les dispositifs de transmission et les dispositifs de réception
23.
SYSTEM AND METHOD FOR INTERACTING WITH AN IMPLANTABLE MEDICAL DEVICE
One example of a system includes a local user system to interact with an implantable medical device and a local input device communicatively coupled to the local user system to generate local events. To operate the local user system, the local user system is to receive local events from the local input device and remote events from a remote user system communicatively coupled to the local user system via a medical device remote access system. The local user system is to process a local event and ignore a remote event in response to receiving a local event and a remote event simultaneously.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61N 1/372 - Aménagements en relation avec l'implantation des stimulateurs
G16H 40/63 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santé; TIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement local
G16H 40/67 - TIC spécialement adaptées à la gestion ou à l’administration de ressources ou d’établissements de santé; TIC spécialement adaptées à la gestion ou au fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement d’équipement ou de dispositifs médicaux pour le fonctionnement à distance
G16Z 99/00 - Matière non prévue dans les autres groupes principaux de la présente sous-classe
An example medical device includes a device housing configured to be implantable within a patient, the device housing including an internal surface in contact with a voltaic cell of the battery, and a battery external to the device housing and comprising a battery housing configured to be hermetically sealed. The battery is configured to provide electrical power to an electrical component housed within the device housing, and the battery housing is configured to be attached to the device housing. The battery housing includes an internal surface in contact with a voltaic cell of the battery, and an external surface in contact with the biocompatible electrical insulator. an external surface in contact with the biocompatible electrical insulator.
C08G 61/10 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p.ex. polyxylylènes uniquement des atomes de carbone aromatiques, p.ex. polyphénylènes
H01M 50/233 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports caractérisés par les propriétés physiques des boîtiers ou des bâtis, p.ex. dimensions
H01M 50/247 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports spécialement adaptés aux dispositifs portatifs, p.ex. aux téléphones portables, aux ordinateurs, aux outils à main ou aux stimulateurs cardiaques
H01M 50/296 - Montures; Boîtiers secondaires ou cadres; Bâtis, modules ou blocs; Dispositifs de suspension; Amortisseurs; Dispositifs de transport ou de manutention; Supports caractérisés par les bornes des blocs de batterie
25.
LOCAL FIELD POTENTIAL (LFP) SENSING FOR NEUROSTIMULATION CONTROL
A system may be configured to sense local field potentials (LFPs) from electrodes placed in epidural space near the spine of a patient. The system may be configured to analyze the sensed LFPs and determine a change in a state of the patient, such as a physiological state of the patient. The system may use such analysis to update and/or suggest parameters for delivery of electrical stimulation therapy. The system may further be configured to analyze LFPs in a frequency domain by applying a wavelet transform or other transform to sensed LFPs.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
26.
IMPLANTABLE CARDIOVERTER-DEFIBRILLATOR (ICD) SYSTEM INCLUDING SUBSTERNAL PACING LEAD
An implantable cardiac defibrillator (ICD) system includes an ICD implanted subcutaneously in a patient, a defibrillation lead having a proximal portion coupled to the ICD and a distal portion having a defibrillation electrode configured to deliver a defibrillation or cardioversion shock to a heart of the patient, and a pacing lead that includes a distal portion having one or more electrodes and a proximal portion coupled to the ICD. The distal portion of the pacing lead is implanted at least partially along a posterior side of a sternum of the patient within the anterior mediastinum. The ICD is configured to provide pacing pulses to the heart of the patient via the pacing lead and provide defibrillation shocks to the patient via the defibrillation lead. As such, the implantable cardiac system provides pacing from the substernal space for an extravascular ICD system.
An example system includes electrodes configured to deliver the electrical stimulation to a patient, and a device comprising processing circuitry configured to determine, for a patient, a loading dose of electric stimulation. The processing circuitry is also configured to cause electrical stimulation circuitry' to deliver, during a first time period, the loading dose to the patient, receive patient feedback representing a response of the patient to the loading dose, determine, based on patient feedback, a maintenance dose of electrical stimulation, and cause the electrical stimulation circuitry to deliver, and during a second time period that is after the first time period, a maintenance dose of electrical stimulation. Delivering the maintenance dose of electrical stimulation consumes less power than delivering the loading dose of electrical stimulation.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
In some examples, a method for controlling delivery of cardiac therapy and cardiac sensing by a medical device system including electrodes for delivering the cardiac therapy may include storing, in a memory of the medical device system, a respective value for each of a plurality of cardiac therapy and/or sensing parameters and, in association with each of a plurality of heart position states, a respective modification of at least one of the cardiac therapy and/or sensing parameters. Such a method also may include determining a current one of the plurality of heart position states of the patient, modifying the at least one cardiac therapy and/or sensing parameter value according to the modification associated with the current heart position state, and controlling the delivery of the cardiac therapy and/or cardiac sensing according to the modified at least one cardiac therapy and/or sensing parameter value.
A surgical instrument includes a first member and an actuator disposed with the first member. An assembly is provided that includes a second member engageable with a bone fastener receiver. A third member is rotatable relative to the second member and threadably engageable with the bone fastener receiver to capture the bone fastener receiver. Systems, spinal constructs, implants and methods are disclosed.
Medical devices including a balloon-actuated sheath are provided. The medical devices include a tubular body, a tooltip (130), a balloon (120), and a tubular sheath (140) translatably coupled to the balloon. Medical devices including a balloon-actuated distal cap are provided. The medical devices include a tubular body, a tooltip, a balloon, and a distal cap translatably coupled to the balloon. When air is pushed into one end of the medical device, the balloon may inflate, translating the tubular sheath or distal cap along a longitudinal axis from a retracted position to an extended position. When in the extended position, the tubular sheath at least partially surrounds the tooltip. When in the extended position, the distal cap at least partially opens fluid communication between the tooltip and the environment.
A61N 1/05 - Electrodes à implanter ou à introduire dans le corps, p.ex. électrode cardiaque
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p.ex. pour le traitement de la luxation ou pour la protection de bords de blessures
31.
STABLE REFERENCE FOR SENSOR APPARATUS USING TWO REFERENCE ELECTRODES
An analyte sensor apparatus for detecting an analyte in a target environment includes a plurality of electrodes and a controller. The plurality of electrodes may be configured to provide a plurality of electrode signals based on a target environment. The plurality of electrodes may include one or more working electrodes, a first reference electrode, and a second reference electrode. The one or more working electrodes may be configured to provide an analyte signal based on a presence of an analyte in the target environment. The first reference electrode may be configured to provide a first baseline signal of the target environment. The second reference electrode may include a different type of electrode than the first reference electrode. The second reference electrode may be configured to provide a second baseline signal of the target environment. The controller may be operatively coupled to the plurality of electrodes. The reference baseline signal is based on the combination of first baseline signal and second baseline signals. The analyte level of the target environment is based on the analyte signal and the reference baseline signal.
A61B 5/1468 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang en utilisant des procédés chimiques ou électrochimiques, p.ex. par des moyens polarographiques
Electrochemical cells and methods of preventing overheating of the same are disclosed. An electrochemical cell may include a cathode and an anode. The anode may include a lithium alloy. The anode may be configured to reduce a maximum rate of ion transfer between the anode and the cathode in response to an occurrence of a fault condition. The lithium alloy may comprise at least 70 weight percent lithium to 99 weight percent lithium.
H01M 6/14 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Éléments primaires; Leur fabrication Éléments avec électrolytes non aqueux
A system for assessing spinal implants includes at least one processor, and a memory storing instructions for execution by the at least one processor that, when executed, cause the at least one processor to receive first image data of a spinal column of a patient, determine, based on the first image data, a property of first bony anatomy in at least a first portion of the spinal column, determine, based on the property of the first bony anatomy, an initial screw trajectory for inserting a screw into the spinal column, virtually insert the screw along the initial screw trajectory using the first image data to generate modified first image data, perform an initial loading simulation for the virtually inserted screw using the modified first image data, and determine, based on the initial loading simulation, a suitability of the initial screw trajectory for implanting the screw into the spinal column.
Medical devices including a balloon-actuated sheath are provided. The medical devices include a tubular body, a tooltip, a balloon, and a tubular sheath translatably coupled to the balloon. Medical devices including a balloon-actuated distal cap are provided. The medical devices include a tubular body, a tooltip, a balloon, and a distal cap translatably coupled to the balloon. When air is pushed into one end of the medical device, the balloon may inflate, translating the tubular sheath or distal cap along a longitudinal axis from a retracted position to an extended position. When in the extended position, the tubular sheath at least partially surrounds the tooltip. When in the extended position, the distal cap at least partially opens fluid communication between the tooltip and the environment.
A system comprising processing circuitry configured to receive a wirelessly-transmitted message from a medical device, the message indicating that the medical device detected an acute health event of the patient. In response to the message, the processing circuitry is configured to determine a location of the patient, determine an alert area based on the location of the patient, and control transmission of an alert of the acute heath event of the patient to any one or more computing devices of one or more potential responders within the alert area.
A method and system for identifying an implant in an x-ray image of an anatomy shown on a display screen. The method includes: displaying the image including an artifact of the implant; prompting a user to enter parameters of the implant; displaying a rendering of the implant over the image; prompting the user to position the rendering on the artifact at an accurate position corresponding to an actual position of the implant; alerting the user when the rendering is at an inaccurate position; prompting the user to reposition the rendering from the inaccurate position to the accurate position; alerting the user when the rendering is maneuvered by the user to the accurate position; and after the rendering has been maneuvered to the accurate position by the user, reconstructing the x-ray image to replace the artifact with the rendering affixed in the accurate position.
G06T 19/20 - Transformation de modèles ou d'images tridimensionnels [3D] pour infographie Édition d'images tridimensionnelles [3D], p.ex. modification de formes ou de couleurs, alignement d'objets ou positionnements de parties
A method of training a neural network is described that includes receiving an image of an anatomical portion of a subject, receiving a CAD model of a surgical implant, generating a first simulated image based on the image and the CAD model, the first simulated image depicting the surgical implant and the anatomical portion of the subject, modifying the simulated image to include simulated artifacts from metal, beam hardening, and scatter, to yield a second simulated image corresponding to the first simulated image, and providing the second simulated image to a neural network as an example input and the first simulated image to the neural network as an example output.
G16H 50/20 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicales; TIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le diagnostic assisté par ordinateur, p.ex. basé sur des systèmes experts médicaux
An analyte sensor apparatus for detecting an analyte in a target environment includes a plurality of electrodes and a controller. The plurality of electrodes may be configured to provide a plurality of electrode signals based on a target environment. The plurality of electrodes may include one or more working electrodes, a first reference electrode, and a second reference electrode. The one or more working electrodes may be configured to provide an analyte signal based on a presence of an analyte in the target environment. The first reference electrode may be configured to provide a first baseline signal of the target environment. The second reference electrode may include a different type of electrode than the first reference electrode. The second reference electrode may be configured to provide a second baseline signal of the target environment. The controller may be operatively coupled to the plurality of electrodes.
A61B 5/145 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang
A61B 5/1486 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang en utilisant des électrodes enzymatiques, p.ex. avec oxydase immobilisée
In some examples, a system includes processing circuitry configured to receive a first set of information, the first set of information comprising information of actual therapy delivered to a patient over a plurality of instances of therapy delivery. The processing circuitry may determine, based upon the first set of information, a therapy usage pattern. The processing circuitry may determine a modification to a programmed therapy schedule based on the therapy usage pattern. The processing circuitry may generate for output the modification to the programmed therapy schedule.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
A61N 1/372 - Aménagements en relation avec l'implantation des stimulateurs
A method of treating a spine includes implanting at least a portion of a spinal construct in a patient. The method further includes attaching one or more smart implants to the spinal construct. Each of the one or more smart implants includes (a) an attachment portion configured to attach the smart implant to the spinal construct, and (b) at least one sensor configured to measure an aspect of the spinal construct when the smart implant is attached to the spinal construct. The method further includes receiving, from the one or more smart implants, sensor information related to the aspect of the spinal construct and performing at least one intra-operational adjustment to the spinal construct based on the received sensor information.
A tissue-removing catheter includes a slide assembly which moves linearly to impart linear movement of a motor. The slide assembly includes a knob accessible outside a handle to enable the linear movement by a user. The slide lock may selectively lock the slide assembly to inhibit linear movement of the slide assembly, and selectively unlock the slide assembly to enable linear movement of the slide assembly. The knob is rotatable relative to the handle for rotating the rotatable cam such that the slide lock actuates for selectively locking and unlocking the slide assembly. The knob may rotate between first and second angular positions for unlocking and locking the slide assembly with a fixed angle of rotation to inhibit the knob from rotating beyond the second angular position in a first direction. A detent mechanism may inhibit or enable linear movement of the slide assembly.
A tissue-removing catheter includes an elongate body, a handle, a motor, a tissue-removing element, and a slide assembly. The slide assembly is at least partially received in the handle and includes a carriage coupling a roller bearing and a track coupled to the handle. The carriage supports the motor. The track supports the roller bearing moving linearly along the track to enable the carriage and motor to selectively translate within the handle. At least one bearing may include a first rail bearing moveable within a first rail plane and a second rail bearing moveable within a second rail plane being angularly offset or generally transverse to the first rail plane. The track may include a rail having an interior surface defining an interior space extending along a length of the rail while at least one bearing engages the interior surface within the interior space.
Medical apparatus and equipment for use in electronic acquisition, capture, processing, presentation, storage and transmission of patient's medical and physiological data for use in programming, monitoring and testing implanted cardiac devices
Electrochemical cells and methods of preventing overheating of the same are disclosed. An electrochemical cell may include a cathode and an anode. The anode may include a lithium alloy. The anode may be configured to reduce a maximum rate of ion transfer between the anode and the cathode in response to an occurrence of a fault condition. The lithium alloy may comprise at least 70 weight percent lithium to 99 weight percent lithium.
A61N 1/05 - Electrodes à implanter ou à introduire dans le corps, p.ex. électrode cardiaque
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 50/46 - Séparateurs, membranes ou diaphragmes caractérisés par leur combinaison avec des électrodes
Electrochemical Impedance Spectroscopy (EIS) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (CGM) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.
A61B 5/0537 - Mesure de la composition du corps par impédance, p.ex. de l’hydratation des tissus ou de la teneur en graisses
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61B 5/0538 - Mesure de l'impédance ou de la conductivité électrique d'une partie du corps invasive, p.ex. en utilisant un cathéter
A61B 5/145 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang
A61B 5/1468 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang en utilisant des procédés chimiques ou électrochimiques, p.ex. par des moyens polarographiques
A61B 5/1473 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang en utilisant des procédés chimiques ou électrochimiques, p.ex. par des moyens polarographiques invasifs, p.ex. introduits dans le corps par un cathéter
A61B 5/1486 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang en utilisant des électrodes enzymatiques, p.ex. avec oxydase immobilisée
A61B 5/1495 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang Étalonnage ou test des sondes in vivo
The techniques of this disclosure generally relate to a valve prosthesis having a prosthetic valve, a stent structure, and anti-migration spikes. The stent structure is coupled to the prosthetic valve and includes an inflow portion. The anti-migration spikes are attached to the inflow portion, the anti-migration spikes protruding radially outward and in an outflow direction from the inflow portion. The anti-migration spikes penetrate into tissue of the vessel, e.g., the aortic annulus of a patient's left ventricle, to prevent migration, i.e., undesirable movement, of the valve prosthesis within the vessel after deployment.
The techniques of this disclosure generally relate to a valve prosthesis having a stent structure having an inflow portion. The inflow portion includes crowns and rows of nodes where the crowns connect, the rows of nodes including a first row, the first row being the most proximal of the rows. The valve prosthesis further includes alignment markers at each node of the first row. The alignment markers form a ring of distinct marker points around the circumference of the stent structure, wherein each distinct marker point is an equal distance from the inflow end. The alignment markers allow for accurate depth positioning of the valve prosthesis, in a crimped or compressed state, such that the valve prosthesis can be accurately deployed.
Distal tips for use with delivery catheters are disclosed that are configured to facilitate deflection of the catheters as they are advanced through the vasculature to a desired treatment site. Distal tips so configured realize one or more of the objectives of safer, more accurate steering of the catheter through the vasculature.
A61F 2/966 - Instruments spécialement adaptés pour insérer ou retirer les stents ou les endoprothèses déployables couvertes possédant une gaine extérieure avec un mouvement longitudinal relatif entre la gaine extérieure et la prothèse, p.ex. utilisant une tige poussoir
An orthopedic trialing instrument may include a shaft extending from a first end to a second end, a handle coupled to the shaft, and a first interbody trial disposed on the first end. In various embodiments, the first interbody trial may include a first bone screw indicator configured to visually represent a corresponding bone screw trajectory. In some embodiments, a double-sided orthopedic trialing instrument may include a first interbody trial on a first end and a second interbody trial on a second end. In various embodiments, each of the first interbody trial and second interbody trial may have at least one bone screw protrusion configured to visually represent a corresponding bone screw trajectory. In some embodiments, a plurality of orthopedic trialing instruments having differently sized interbody trials may be provided as a kit.
An implantable medical lead includes a lead body extending from a proximal end to a distal end. The lead body includes an inner insulation layer and an outer insulation layer. The lead further includes a sleeve mechanically supported by the lead body at the distal end of the lead body. The lead further includes an uninsulated conductor coil. The uninsulated conductor coil includes a first portion having a first inner diameter, and a second portion having a second inner diameter and extending distally from the outer insulation layer. The first portion is positioned between the inner insulation layer and the outer insulation layer. The second inner diameter is greater than the first inner diameter. An outer surface of the second portion is exposed.
Systems and methods for evaluating a proposed valve-in-valve procedure for a patient in which a replacement transcatheter aortic valve will be deployed within a first bioprosthetic aortic valve. The methods include selecting predetermined benchmark measurements of a valve-in-valve combination. Images of anatomy of the patient are received. Anatomical measurements of the first bioprosthetic valve are obtained from the received images. The predetermined benchmark measurements and the anatomical measurements are reviewed. Based, at least in part, upon the review, risks of a valve-in-valve procedure for the patient are evaluated. The methods of the present disclosure can be used on baseline scans of a patient without a first bioprosthetic valve implanted; under these circumstances, dimensions of the first valve are determined by benchmark measurements. Where methods of the present disclosure are used on post-first implant scans, then the dimensions of the first valve are determined from the post-implant scans.
An implantable medical lead includes a lead body extending from a proximal end to a distal end. The lead body includes an inner insulation layer and an outer insulation layer. The lead further includes a sleeve mechanically supported by the lead body at the distal end of the lead body. The lead further includes an uninsulated conductor coil. The uninsulated conductor coil includes a first portion having a first inner diameter, and a second portion having a second inner diameter and extending distally from the outer insulation layer. The first portion is positioned between the inner insulation layer and the outer insulation layer. The second inner diameter is greater than the first inner diameter. An outer surface of the second portion is exposed.
Techniques related to classifying a posture state of a living body are disclosed. One aspect relates to sensing at least one signal indicative of a posture state of a living body. Posture state detection logic classifies the living body as being in a posture state based on the at least one signal, wherein this classification may take into account at least one of posture and activity state of the living body. The posture state detection logic further determines whether the living body is classified in the posture state for at least a predetermined period of time. Response logic is described that initiates a response as a result of the body being classified in the posture state only after the living body has maintained the classified posture state for at least the predetermined period of time. This response may involve a change in therapy, such as neurostimulation therapy, that is delivered to the living body.
A system for assessing spinal implants includes at least one processor, and a memory storing instructions for execution by the at least one processor that, when executed, cause the at least one processor to receive first image data of a spinal column of a patient, determine, based on the first image data, a property of first bony anatomy in at least a first portion of the spinal column, determine, based on the property of the first bony anatomy, an initial screw trajectory for inserting a screw into the spinal column, virtually insert the screw along the initial screw trajectory using the first image data to generate modified first image data, perform an initial loading simulation for the virtually inserted screw using the modified first image data, and determine, based on the initial loading simulation, a suitability of the initial screw trajectory for implanting the screw into the spinal column.
A bone screw comprises a shaft defining a longitudinal axis and a minor diameter. The shaft including a core having an angled surface relative to the axis. The angled surface extending from the minor diameter adjacent a proximal portion of the shaft to a distal portion of the shaft, and a wall disposed about the angled surface. The wall including at least one thread having an external thread form. In some embodiments, systems, spinal constructs, surgical instruments and methods are disclosed.
A spinal implant includes an attachment portion having an opening configured to capture a longitudinal member therein, wherein the attachment portion is the only attachment means of the spinal implant. The spinal implant further includes a housing integrally connected to the attachment portion and defining a sealed cavity for supporting a microelectronics assembly and a power source therein. The spinal implant further includes at least one antenna in electrical communication with the microelectronics assembly and at least one sensor in electrical communication with the microelectronics assembly, wherein the microelectronics assembly is configured to transmit information received from the at least one sensor to an external device using the at least one antenna.
A system comprises one or more implantable monitoring devices configured to continuously sense a plurality of physiological signals of a subject and collect parameter data of the subject based on the sensed physiological signals. At least one monitoring device of the one or more monitoring devices comprises a housing configured for subcutaneous implantation in the subject and a plurality of electrodes positioned on the housing. The at least one monitoring device is configured to continuously sense at least one physiological signal of the plurality of physiological signals via the plurality of electrodes. The system further comprises processing circuitry configured to determine a mental state of the subject based on at least one of the sensed physiological signals or the parameter data.
An example fixation component for an implantable medical device (IMD) includes a base and a plurality of tines configured be deployed with a target deployment stiffness to engage tissue a target implant site while maintaining a target deflection stiffness after deployment. The base defines a longitudinal axis of the fixation component and is fixedly attached near the distal end of the IMD. Each tine is spaced apart from one another around a perimeter of the distal end of the IMD and extend from the base. A shape of each tine is selected to control each of the target deployment stiffness and target deflection stiffness.
A61N 1/05 - Electrodes à implanter ou à introduire dans le corps, p.ex. électrode cardiaque
B21D 39/02 - Utilisation de procédés permettant d'assembler des objets ou des parties d'objets, p.ex. revêtement par des tôles, autrement que par placage; Dispositifs de mandrinage des tubes des tôles par pliage, p.ex. jonction des bords d'une tôle pour former un cylindre
Example techniques, devices, and systems are described herein. An example device includes stimulation generation circuitry, sensing circuitry, and processing circuitry. The processing circuitry is configured to control the stimulation generation circuitry to generate a first stimulation signal having a first stimulation recharge parameter for delivery to target anatomy and receive from the sensing circuitry a sensed evoked response signal. The processing circuitry is configured to analyze the sensed evoked response signal for one or more artifacts and adjust, based on the one or more artifacts, the first stimulation recharge parameter to determine a second stimulation recharge parameter. The processing circuitry is also configured to control the stimulation generation circuitry to generate a second stimulation signal having the second stimulation recharge parameter for delivery to the target anatomy.
A61N 1/02 - SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE ÉLECTROTHÉRAPIE; MAGNÉTOTHÉRAPIE; THÉRAPIE PAR RADIATIONS; THÉRAPIE PAR ULTRASONS Électrothérapie; Circuits à cet effet - Parties constitutives
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
The techniques of this disclosure generally relate to a valve prosthesis having a one piece molded prosthetic valve and a reinforcement member attached to the prosthetic valve directly adjacent a cylindrical inflow end of the prosthetic valve. The reinforcement member is additional material outside the leaflet belly region that gets attached directly to a stent structure to provide reinforcement and durability of the prosthetic valve.
The techniques of this disclosure generally relate to a valve prosthesis including a one-piece molded valve having valve leaflets with free edges in a chevron down pattern. By forming the free edges in a chevron down pattern, pinwheeling of the prosthetic valve and the associated stress on the prosthetic valve is reduced.
A61F 2/00 - Filtres implantables dans les vaisseaux sanguins; Prothèses, c.-à-d. éléments de substitution ou de remplacement pour des parties du corps; Appareils pour les assujettir au corps; Dispositifs maintenant le passage ou évitant l'affaissement de structures corporelles tubulaires, p.ex. stents
A method for growing a channeled spinal implant in situ, using a surgical additive-manufacturing system having a dispensing component, and implants formed thereby. The method can include positioning the dispensing component at least partially within an interbody space, between a first patient vertebra and a second patient vertebra, and maneuvering, in an applying step, the dispensing component within the interbody space and depositing, by the dispensing component, printing material on or adjacent the first vertebra. The applying step includes maneuvering the dispensing component and applying the printing material selectively to form an outer surface of the implant having a channel opening and to form an interior of the implant having at least one elongate channel extending to the opening.
A lift, a head support, and methods for use thereof for use with a surgical frame are provided. The lift and the head support can be used with the surgical frame that is capable of reconfiguration before, during, or after surgery. The surgical frame can include a main beam that can be rotated, raised/lowered, and tilted upwardly/downwardly to afford positioning and repositioning of a patient supported thereon, and the lift and the head support can be used in lifting the patient from a table/gurney and positioning the patient with respect to the main beam.
This disclosure describes a system comprising an electrical lead, an implantable medical device, wherein the electrical lead is configured to be electrically connected to the implantable medical device, and wherein the implantable medical device is configured to deliver an electrical therapy to tissue of a patient via the electrical lead, and an expandable member configured to be disposed over the implantable medical device and an excess portion of the electrical lead. The expandable member comprises a first portion defining an inner volume configured to retain the implantable medical device and the excess portion of the electrical lead, and a second portion connected to a proximal end of the first portion, the second portion configured to be disposed over at least a part of the first portion of the expandable member, wherein the expandable member is configured to control a length of the electrical lead within vasculature of the patient..
Adaptive cardiac conduction system pacing therapy for multi-chamber devices may monitor electrical activity of a patient's heart and select a cardiac conduction system pacing therapy pacing mode based on the monitored electrical activity. For instance, one or more metrics such as P-wave-to-R-wave interval and QRS complex width may be determined based on the monitored electrical activity, and one of an inhibited pacing mode, a ventricular fusion pacing mode, an atrioventricular synchronous pacing mode, and an atrial fibrillation pacing mode may be selected based on the determined one or more metrics.
A61N 1/368 - Stimulateurs cardiaques commandés par un paramètre physiologique, p.ex. par le potentiel cardiaque comprenant plus d'une électrode coopérant avec différentes régions du cœur
An example medical device for aspirating material from a patient includes a flow switch including an anvil, an actuator, and a surface feature on at least one of the anvil and actuator. The flow switch is configured to move the actuator away from the anvil to create a flow path for the aspiration of the material and to move the actuator toward the anvil to reduce the flow path by creating at least one channel defined by the surface feature.
A61M 1/00 - Dispositifs de succion ou de pompage à usage médical; Dispositifs pour retirer, traiter ou transporter les liquides du corps; Systèmes de drainage
A61M 39/28 - Moyens de serrage pour l'écrasement des tubes flexibles, p.ex. brides de serrage à rouleaux
A system including an implantable medical device (IMD) configured to deliver an anti-tachycardia pacing (ATP) therapy to a patient and an external device including: communications circuitry configured to communicate with the IMD; and processing circuitry configured to: receive, via the communications circuitry, a request to connect from the IMD, determine whether the IMD is connected to the external device, and based on a determination that the IMD is connected to the external device, transmit instructions, via the communications circuitry, to the IMD to deliver the ATP therapy to the patient.
In some examples, an implantable medical device includes a device body extending from a proximal portion to a distal portion along a longitudinal axis, a fixation component, and an electrode interface assembly. The fixation component includes a penetrator tine extending away from the distal portion of the device body and configured to penetrate a tissue. The electrode interface assembly includes a leadlet extending away from the distal portion of the device body, an elongated body extending away from the distal portion of the device body the elongated body defining a recess and a groove, wherein the groove is configured to receive the leadlet, and an electrode extending from the elongated body and disposed within the recess.
An example medical device for aspirating material from a patient includes a flow switch including an anvil, an actuator, and a surface feature on at least one of the anvil and actuator. The flow switch is configured to move the actuator away from the anvil create a flow path for the aspiration of the material and to move the actuator toward the anvil to reduce the flow path by creating at least one channel defined by the surface feature.
A61M 1/00 - Dispositifs de succion ou de pompage à usage médical; Dispositifs pour retirer, traiter ou transporter les liquides du corps; Systèmes de drainage
A leadless neurostimulation device including a header unit having at least one primary electrode having a contact surface that defines an external surface on a side of the device, an outer housing that forms a side of the header unit opposite of the contact surface of the primary electrode, and a dielectric mount that receives at least a portion of the primary electrode and at least partially surrounds the primary electrode, the dielectric mount being configured to electrically insulate the primary electrode from the outer housing, the dielectric mount being received and fixed within a recessed portion of the outer housing, and a housing having a secondary electrode positioned on the same side of the leadless neurostimulation device as the primary electrode, the primary electrode and the secondary electrode being configured to transmit an electrical stimulation signal therebetween to provide electrical stimulation therapy to a tibial nerve of a patient.
A system for sensing interstitial glucose includes an elongated structure that defines a fluid delivery conduit having at least one fluid outlet, and a sensor formed on an external surface of the elongated structure and comprising a reference electrode, a counter electrode, and a working electrode arranged planarly in a sequence along a longitudinal axis of the elongated structure and configured to sense an interstitial glucose level of a patient.
A61M 5/142 - Perfusion sous pression, p.ex. utilisant des pompes
A61M 5/162 - Raccords à aiguilles, c. à d. raccordements par perforation entre le réservoir et le tube
A61M 5/168 - Moyens pour commander l'écoulement des agents vers le corps ou pour doser les agents à introduire dans le corps, p.ex. compteurs de goutte-à-goutte
A61M 5/172 - Moyens pour commander l'écoulement des agents vers le corps ou pour doser les agents à introduire dans le corps, p.ex. compteurs de goutte-à-goutte électriques ou électroniques
A61M 37/00 - Autres appareils pour introduire des agents dans le corps; Percutanisation, c. à d. introduction de médicaments dans le corps par diffusion à travers la peau
A system and method for a procedure that can be performed on an appropriate subject. A procedure may be planned, at least in part, prior to performing the procedure. An image may illustrate at least a portion of the planned procedure for confirmation and/or alteration of the planned procedure prior to performing the procedure.
G06F 3/04817 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] fondées sur des propriétés spécifiques de l’objet d’interaction affiché ou sur un environnement basé sur les métaphores, p.ex. interaction avec des éléments du bureau telles les fenêtres ou les icônes, ou avec l’aide d’un curseur changeant de comport utilisant des icônes
A61B 34/00 - Chirurgie assistée par ordinateur; Manipulateurs ou robots spécialement adaptés à l’utilisation en chirurgie
A61B 34/10 - Planification, simulation ou modélisation assistées par ordinateur d’opérations chirurgicales
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
Disclosed is a system that includes pressure sensors to assist in monitoring pressure at a selected location. Pressure sensors may be applied to or incorporated into catheters and/or shunts positioned within a patient. A monitoring system may then receive signals from the pressure sensors to monitor pressure at the location over time.
A61B 5/03 - Mesure de la pression des fluides à l'intérieur du corps autre que la pression du sang, p.ex. de la pression cérébrale
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61B 5/06 - Dispositifs autres que ceux à radiation, pour détecter ou localiser les corps étrangers
A61B 6/00 - Appareils pour diagnostic par radiations, p.ex. combinés avec un équipement de thérapie par radiations
A61B 6/12 - Dispositifs pour détecter ou localiser des corps étrangers
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
A61M 27/00 - Appareillage pour drainage des blessures
74.
IN-SITU FENESTRATION DEVICES WITH HEATED EXPANDABLE CONE
An in-situ fenestration device. The device includes a sheath including a proximal end and a distal end. The device also includes an expandable cone including a proximal end, a distal end, and a body extending between the proximal end and the distal end. The expandable cone includes a heating element. The expandable cone is configured to expand from a crimped state within the sheath into an expanded state extending from the distal end of the sheath. The heating element of the expandable cone is configured to be energized with an energy source to form a fenestration in a graft material at a fenestration site of a stent graft.
The techniques of this disclosure generally relate to a valve prosthesis include a prosthetic valve, a stent structure having suture slots, an outer skirt, and outer skirt sutures. The outer skirt sutures attach the outer skirt to the stent structure. The outer skirt sutures are located within the suture slots. By recessing the outer skirt sutures within the suture slots below an inner surface of the stent structure, contact between the outer skirt sutures and valve leaflets of the prosthetic valve is avoided. By avoiding contact between the outer skirt sutures and the valve leaflets, damage to the valve leaflets due to abrasive contact with the outer skirt sutures is prevented.
An electrochemical cells and methods of making the same are disclosed. An electrochemical cell may include a cell housing and a cell core disposed in the cell housing. The cell body may extend along a longitudinal axis from a distal end to a proximal end. The cell core may include a cathode electrode, an anode electrode, and a separator disposed between the cathode electrode and the anode electrode. The cathode electrode may define a plurality of cathode windings around the longitudinal axis. Each cathode winding may include a porous conductive strip and a cathode active material disposed on the porous conductive strip. The anode electrode may be disposed around the cathode electrode.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
H01M 10/0587 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure enroulés, c. à d. des électrodes positives enroulées, des électrodes négatives enroulées et des séparateurs enroulés
77.
MEDICAL DEVICE AND METHOD FOR DETERMINING RISK OF A CARDIAC EVENT
A medical device is configured to receive up to two cardiac electrical signals. For each cardiac cycle of multiple cardiac cycles, the device may derive a T-wave loop in at least two dimensions using one or two of the up to two cardiac electrical signals. The medical device may determine a repolarization measurement representative of each T-wave loop and determine a change in the repolarization measurement from a previously determined repolarization measurement. The device may determine a metric of the determined changes in the repolarization measurements.
Adaptive cardiac conduction system pacing therapy may monitor electrical activity of a patient's heart and select a cardiac conduction system pacing therapy pacing mode based on the monitored electrical activity. For instance, one or more metrics such as P- wave-to-R-wave interval and QRS complex width may be determined based on the monitored electrical activity, and one of an inhibited pacing mode, a ventricular fusion pacing mode, an atrioventricular synchronous pacing mode, and an atrial fibrillation pacing mode may be selected based on the determined one or more metrics.
A61B 5/366 - Détection de complexes QRS anormaux, p.ex. élargissement
A61N 1/365 - Stimulateurs cardiaques commandés par un paramètre physiologique, p.ex. par le potentiel cardiaque
A61N 1/368 - Stimulateurs cardiaques commandés par un paramètre physiologique, p.ex. par le potentiel cardiaque comprenant plus d'une électrode coopérant avec différentes régions du cœur
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
This disclosure describes a system comprising an electrical lead, an implantable medical device, wherein the electrical lead is configured to be electrically connected to the implantable medical device, and the implantable medical device is configured to deliver an electrical therapy to tissue of a patient via the electrical lead, and an expandable member configured to be disposed over the implantable medical device and an excess portion of the electrical lead, wherein the expandable member is configured to control movement of the electrical lead within vasculature of the patient.
A system including an electrical lead, an implantable medical device, wherein the electrical lead is configured to be electrically connected to the implantable medical device, and the implantable medical device is configured to deliver an electrical therapy to tissue of a patient via the electrical lead, a sheath configured to be at least partially disposed within vasculature of the patient and configured to receive the electrical lead such that a distal portion of the electrical lead is placed within the vasculature through the sheath, and a lead management device connected to the implantable medical device and the sheath, wherein the lead management device is configured to secure an excess portion of the electrical lead, and wherein the lead management device is configured to control movement of the electrical lead within the vasculature of the patient.
Devices, systems, and techniques are described that use electric field imaging (often referred to as the sensed stimulation artifact representative of a delivered stimulus) as an informative feedback signal to provide closed loop control of electrical stimulation therapy. In some examples, the electric field imaging may be used in combination with other feedback signals, such as ECAP do monitor and adjust the delivered electrical stimulation therapy.
A61N 1/36 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents pour stimuler, p.ex. stimulateurs cardiaques
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61B 5/388 - Modalités, c. à d. méthodes diagnostiques spécifiques Études de la conduction nerveuse, p.ex. détection du potentiel d’action d’un nerf périphérique
82.
METHODS OF ADMINISTERING ANTI-EPILEPSY AGENTS AND TRANSPORT INHIBITORS TO A SUBJECT
Broad cerebrospinal fluid (CSF) distribution of an agent is achievable by delivering the agent in a liquid formulation to the CSF at flow rates less than 500 microliters per hour, such as between about 2 microliters per hour and about 100 microliters per hour.
An imaging device for obtaining 360-degree images of an anatomical feature of a patient or of another object includes an open ring having a first end, a second end, and an axis, the open ring defining an outer arc and an inner arc; a support arm configured to support the open ring and to rotate the open ring about the axis; a track extending along the open ring; a source movably disposed on the track and operable to generate signals useful for imaging; and a detector movably disposed on the track, the detector operable to detect signals generated by the source. Movement of the source and detector along the track, coupled with rotation of the open ring about the axis, enables the source and detector to travel at least 360 degrees about the axis.
The techniques of this disclosure generally relate to a valve prosthesis having a stent structure and a prosthetic valve coupled to the stent structure. The stent structure includes an inflow portion having an outflow crown ring and an outflow portion comprising an outflow portion crown ring. The outflow crown ring includes outflow struts and outflow crowns coupled to the outflow struts. The outflow portion crown ring includes outflow portion struts and superior crowns coupled to the outflow portion struts. The valve prosthesis further comprises an inferior tissue bumper covering the outflow crowns and a superior tissue bumper covering the superior crowns. The tissue bumpers provide a buffer, sometimes called a padding or cushion, between the prosthetic valve and outflow crowns and superior crowns. In this manner, the tissue bumpers protect the prosthetic valve from being damaged by the outflow crowns and the superior crowns.
An example medical device includes a memory; and processing circuitry coupled to the memory, the processing circuitry is configured to: receive, from one or more electrodes coupled to the medical device, a cardiac signal; determine a risk of noise being greater than or equal to a noise risk threshold or an active amount of the noise being greater than or equal to an active noise threshold; and in response to determining the risk of noise is greater than or equal to the noise risk threshold or the active amount of noise is greater than or equal to the active noise threshold, activate a filter to filter the noise from the cardiac signal.
A61B 17/12 - Instruments, dispositifs ou procédés chirurgicaux, p.ex. tourniquets pour ligaturer ou comprimer par un autre moyen les parties tubulaires du corps, p.ex. les vaisseaux sanguins ou le cordon ombilical
A fixation component includes tines extending from a base portion of the fixation component. Each tine is elastically deformable between a pre-set position and an open position. Each tine includes a hook segment extending from a proximal end near the base portion to a distal end. Each tine also includes a distal segment extending from the distal end of the hook segment to a tissue-piercing tip. When positioned in the pre-set position, the hook segment extends along a pre-set curvature that encloses an angle between 135 degrees and 270 degrees, and the distal segment extends away from a longitudinal axis of the fixation component.
A medical device lead connector includes electrically conducting contact rings spaced apart by an electrically insulating ring and in axial alignment. The electrically conducting contact ring and the insulating ring having an interface bond on an atomic level.
B23K 20/02 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p.ex. revêtement ou placage au moyen d'une presse
H01R 13/187 - Broches, lames ou alvéoles ayant un ressort indépendant pour produire ou améliorer la pression de contact le ressort étant dans l'alvéole
H01R 24/58 - Contacts espacés le long de l'axe longitudinal d’engagement
H01R 43/02 - Appareils ou procédés spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation de connecteurs de lignes ou de collecteurs de courant ou pour relier les conducteurs électriques pour connexions soudées
89.
METHODS OF PREPARING BALLOON EXPANDABLE CATHETERS FOR CARDIAC AND VASCULAR INTERVENTIONS
Methods for purging a balloon catheter of air. An inflation fluid is inserted into a balloon and an inflation lumen of a balloon catheter. The inflation lumen is in fluid communication with the balloon. The balloon catheter is positioned in an inverted orientation with a distal end thereof disposed below a proximal end thereof. The distal end of the balloon catheter includes a balloon. A vibration source is positioned in direct contact with an outer surface of the balloon catheter. The balloon catheter is vibrated via the vibration source. A vacuum is applied or pulled on the inflation lumen of the balloon catheter. The steps of vibrating the balloon catheter and applying the vacuum are performed simultaneously.
Example devices and techniques are described herein for determining a relative state-of-charge of a battery. An example device includes memory, a battery, a temperature sensor and processing circuitry coupled to the memory and the temperature sensor. The temperature sensor may be configured to sense a battery temperature. The processing circuitry may be configured to estimate an end-of-discharge state-of-charge of the battery. The processing circuitry may be configured to estimate a remaining capacity of the battery. The processing circuitry may be configured to estimate a full charge capacity of the battery. The processing circuitry may be configured to estimate a relative state-of-charge of the battery and generate a representation of the estimate of the relative state-of-charge of the battery for output.
G01R 31/36 - Dispositions pour le test, la mesure ou la surveillance de l’état électrique d’accumulateurs ou de batteries, p.ex. de la capacité ou de l’état de charge
G01R 31/367 - Logiciels à cet effet, p.ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p.ex. état de charge combinant des mesures de tension et de courant
A system includes a processor and a memory storing instructions thereon. The instructions, when executed by the processor, cause the processor to: infuse a substance into a target object, via an infusion device, according to a first flow rate; set a second flow rate associated with infusing the substance into the target object, based on a withdrawal rate of the infusion device from the target object; and infuse the substance into the target object based on the second flow rate.
A61B 34/20 - Systèmes de navigation chirurgicale; Dispositifs pour le suivi ou le guidage d'instruments chirurgicaux, p.ex. pour la stéréotaxie sans cadre
A61M 5/168 - Moyens pour commander l'écoulement des agents vers le corps ou pour doser les agents à introduire dans le corps, p.ex. compteurs de goutte-à-goutte
Goods: Medical apparatus and equipment for use in electronic acquisition, capture, processing, presentation, storage and transmission of patient's medical and physiological data for use in programming, monitoring and testing implanted cardiac devices.
Example devices and techniques are described herein for determining a relative state-of-charge of a battery. An example device includes memory, a battery, a temperature sensor and processing circuitry coupled to the memory and the temperature sensor. The temperature sensor may be configured to sense a battery temperature. The processing circuitry may be configured to estimate an end-of-discharge state-of-charge of the battery. The processing circuitry may be configured to estimate a remaining capacity of the battery. The processing circuitry may be configured to estimate a full charge capacity of the battery. The processing circuitry may be configured to estimate a relative state-of-charge of the battery and generate a representation of the estimate of the relative state-of-charge of the battery for output.
G01R 31/396 - Acquisition ou traitement de données pour le test ou la surveillance d’éléments particuliers ou de groupes particuliers d’éléments dans une batterie
G01R 31/367 - Logiciels à cet effet, p.ex. pour le test des batteries en utilisant une modélisation ou des tables de correspondance
G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p.ex. état de charge combinant des mesures de tension et de courant
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p.ex. le niveau ou la densité de l'électrolyte
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
95.
DIRECTIONAL CONTROL OF MULTI-COIL ARRAY FOR APPLICATIONS IN RECHARGE SYSTEMS
A system that includes a power transmitting antenna (124) with a coiled conductor defined by a first axis and a second axis perpendicular to the first axis, where a single plane comprises the first axis and the second axis. The system includes a support layer (140, 142) comprising: a substantially planar top surface and a substantially planar bottom surface opposite the substantially planar top surface arranged parallel to the plane. The support layer also comprises a material with a predetermined resiliency. The support layer is configured to support a mass of a user and maintain a predetermined spacing between the plane of the power transmitting antenna and the user during compression of the material from the mass of the user.
H02J 50/40 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant plusieurs dispositifs de transmission ou de réception
H02J 50/00 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique
H02J 50/10 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif
H02J 50/80 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique mettant en œuvre l’échange de données, concernant l’alimentation ou la distribution d’énergie électrique, entre les dispositifs de transmission et les dispositifs de réception
A capsule of a delivery system for a transcatheter heart valve prosthesis includes markers for rotationally orienting the capsule within a native valve. The capsule includes markers that are sized and located on the capsule such that when viewed in a cusp overlap viewing angle image, the markers indicate whether the capsule is in a desired rotational orientation. Methods for rotationally aligning a capsule of a delivery system containing a transcatheter heart valve prosthesis within a native valve are also provided.
A computing device comprises communication circuitry configured to wirelessly communicate with a sensor device, one or more output devices, and processing circuitry. The processing circuitry is configured to receive episode data for an acute health event detected by the sensor device via the communication circuitry, the episode data transmitted by the sensor device in response to detecting the acute health event. The processing circuitry is configured to apply one or more machine learning models to each segment of a plurality of segments of the episode data to determine a respective classification of a plurality of predetermined classifications for each segment of the plurality of segments, determine a classification of the acute health event from the plurality of predetermined classifications based on the respective classifications of the plurality of segments, and determine whether to control the one or more output devices to output an alarm based on the classification.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61B 5/29 - Détection, mesure ou enregistrement de signaux bioélectriques ou biomagnétiques du corps ou de parties de celui-ci Électrodes bioélectriques à cet effet spécialement adaptées à des utilisations particulières pour l’électrocardiographie [ECG] invasives pour implantation permanente ou à long terme
A61B 5/33 - Modalités électriques se rapportant au cœur, p.ex. électrocardiographie [ECG] spécialement adaptées à l’utilisation conjointe avec d’autres dispositifs
A61B 5/363 - Détection de la tachycardie ou de la bradycardie
G16H 50/20 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicales; TIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour le diagnostic assisté par ordinateur, p.ex. basé sur des systèmes experts médicaux
A computing device comprises communication circuitry configured to wirelessly communicate with a sensor device on a patient or implanted within the patient, one or more output devices, and processing circuitry. The processing circuitry is configured to receive episode data for an acute health event detected by the sensor device via the communication circuitry, the episode data transmitted by the sensor device in response to detecting the acute health event, determine an alarm context in response to receiving the episode data, configure an alarm for the acute health event based on the alarm context, and control the one or more output devices to output the alarm configured based on the alarm context.
A system comprises a cloud computing system, a computing device, and a sensor device. The sensor device is configured to sense an electrocardiogram of the patient, detect a ventricular tachyarrhythmia based on sensed electrocardiogram, and wirelessly communicate with the computing device in response to the detection of the ventricular tachyarrhythmia. Based on the wireless communication from the sensor device, the computing device is configured to at least one of output a local alarm or transmit an alert to an emergency medical service via the cloud computing system. Processing circuitry of at least one of the sensor device, the computing device, or the cloud computing system is configured to determine QT intervals based on the electrocardiogram, and transmit a message indicating QT prolongation of the patient to a clinician based on a determination that the QT intervals satisfy one or more QT prolongation criteria.
In one example, a medical system includes a memory; and processing circuitry communicatively coupled to the memory, the processing circuitry being configured to: obtain, during performance of a procedure in a catheterization lab on a patient, data representing a radiation exposure of a person in the catheterization lab; and generate, based on the data representing the radiation exposure, an exposure report for the person.
G16H 50/30 - TIC spécialement adaptées au diagnostic médical, à la simulation médicale ou à l’extraction de données médicales; TIC spécialement adaptées à la détection, au suivi ou à la modélisation d’épidémies ou de pandémies pour l’évaluation des risques pour la santé d’une personne
