A method may include transmitting, using a transducer array, an acoustic signal to an anatomical region of a subject. The method may further include generating ultrasound data based on a reflected signal from the anatomical region in response to transmitting the acoustic signal. The method may further include determining ultrasound angular data using the ultrasound data and various angular bins for a predetermined sector. The method may further include determining a number of predicted B -lines in an ultrasound image using a machine-learning model and the ultrasound angular data. A respective angular bin among the angular bins may correspond to a predetermined sector angle of the ultrasound image. The method may further include determining, in response to determining the number of predicted B-lines, an ultrasound image that identifies the number of predicted B-lines within the ultrasound image.
A processing device, that communicates with an ultrasound device, includes: a display screen; a memory that stores presets, where each preset includes one or more modes used to control the ultrasound device and one or more tools to analyze ultrasound data from the ultrasound device; and a processor coupled to the memory. The processor is configured to: operate the ultrasound device using a first preset; generate ultrasound images using ultrasound data from the ultrasound device, where the ultrasound images include a first portion of the ultrasound images that are imaging frames acquired with the first preset and a second portion of the ultrasound images that are search frames acquired with a search preset; display the imaging frames of the first portion on the display screen; identify an anatomical feature in the search frames using a deep learning model; select a target preset based on the identified anatomical feature.
An ultrasound probe includes an ultrasound transducer stack, an acoustic lens, and an acoustic coupling layer between the acoustic lens and the ultrasound transducer stack. The transducer stack includes one or more ultrasound transducers emitting an acoustic signal and the acoustic lens focuses the acoustic signal. The acoustic coupling layer has a speed of sound that is higher than a speed of sound in the acoustic lens, and the acoustic coupling layer has a thickness between a quarter and half a wavelength of the acoustic signal.
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
B06B 1/06 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique fonctionnant par effet piézo-électrique ou par électrostriction
G10K 11/02 - Impédances acoustiques mécaniques; Adaptation d'impédance, p.ex. au moyen de pavillons; Résonateurs acoustiques
G10K 11/168 - Sélection de matériaux de plusieurs couches de matériaux différents, p.ex. sandwiches
G10K 11/30 - Procédés ou dispositifs pour transmettre, conduire ou diriger le son pour focaliser ou pour diriger le son, p.ex. balayage utilisant la réfraction, p.ex. lentilles acoustiques
A cable connection for an ultrasonic imaging device having a bi-stable removal force. The cable may include a latch that selectively engages a surface on the ultrasonic imaging device. When the latch is engaged, the cable may be retained in the ultrasonic imaging device with high force and when the latch is disengaged, the cable may be removed with low force.
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
H01R 13/00 - CONNEXIONS CONDUCTRICES DE L'ÉLECTRICITÉ; ASSOCIATION STRUCTURELLE DE PLUSIEURS ÉLÉMENTS DE CONNEXION ÉLECTRIQUE ISOLÉS LES UNS DES AUTRES; DISPOSITIFS DE COUPLAGE; COLLECTEURS DE COURANT - Détails de dispositifs de couplage des types couverts par les groupes ou
5.
THERMAL DISSIPATION STRUCTURES FOR ULTRASOUND PROBES
The present disclosure provides an ultrasound device including thermal dissipation features. The ultrasound device is an ultrasound probe in some situations and includes thermal dissipation features allowing for increased runtime at higher power consumption rates. The thermal dissipation features include an interposer with thermal vias, a heat spreader, a heat sink, a single piece probe housing, and a chassis, or various combinations of such features.
An ultrasound probe includes an ultrasound transducer stack comprising one or more ultrasound transducers emitting an acoustic signal, and an acoustic window passing the acoustic signal. The acoustic window is composed of a butadiene-based compound. In one or more embodiments, the acoustic window is made of butadiene rubber. Butadiene rubber has acoustic characteristics that may be suitable for acoustic windows, as subsequently discussed. Specifically, the use of butadiene rubber may result in desirable acoustic attenuation, acoustic velocity and acoustic impedance.
B06B 1/02 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique
Described herein are methods and systems for acquisition of patient information for ultrasound scans via barcode extraction. An ultrasound system may include an ultrasound device, a mobile device in operative communication with the ultrasound device, a processing device, and a cloud including one or more servers. The processing device may be configured to prompt for and receive selection of a barcode type, and prompt for and receive configuration of how to process barcode data, where the prompt is based on the selected barcode type The mobile device may be configured to download barcode settings from the cloud, perform an ultrasound scan on a patient in conjunction with the ultrasound device, scan a barcode associated with the patient, process the barcode data based on the downloaded barcode settings, and perform an electronic health record query based on data from the processed barcode.
G16H 10/60 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données spécifiques de patients, p.ex. pour des dossiers électroniques de patients
G16H 40/20 - 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 la gestion ou l’administration de ressources ou d’établissements de soins de santé, p.ex. pour la gestion du personnel hospitalier ou de salles d’opération
8.
METHODS AND SYSTEMS FOR ULTRASOUND IMAGING PROFICIENCY MANAGEMENT, QUALITY ASSURANCE REVIEW, AND ANALYTICS
An ultrasound system is configured to receive a selection of ultrasound imaging proficiency requirements for a user, where the proficiency requirements include a threshold number of ultrasound exams of a particular ultrasound exam type. The ultrasound system is further configured to perform an ultrasound exam, receive a selection of the user and the exam type to associate with the ultrasound exam, determine whether to count the ultrasound exam towards fulfilling the user's proficiency requirements, and determine whether the user's proficiency requirements have been fulfilled. Based on determining that the user's proficiency requirements have been fulfilled, the ultrasound system is configured to display an indication that the user's proficiency requirements have been fulfilled. Based on determining that the user's proficiency requirements have not been fulfilled, the ultrasound system is configured to display an indication of the user's progress towards fulfilling the proficiency requirements.
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
G16H 30/40 - TIC spécialement adaptées au maniement ou au traitement d’images médicales pour le traitement d’images médicales, p.ex. l’édition
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
9.
ULTRASOUND DEVICES CONFIGURED TO CHANGE FROM DEFAULT MODE TO POWER SAVE MODE AND METHODS ASSOCIATED WITH THE SAME
An ultrasound device may change from a default mode to a power save mode by modifying parameter values of ultrasound circuitry in the ultrasound device. Modifying the parameter values may include controlling bias generators to reduce bias currents supplied to amplifiers in receive circuitry, controlling multiplexing circuitry to increase the number of the ultrasound transducers coupled to transimpedance amplifiers (TIAs) and controlling other TIAs to turn off, controlling amplifiers and an analog-to-digital converter (ADC) to turn off, and/or controlling a waveform generator to decrease a frame rate of ultrasound imaging performed by the ultrasound device. There may be different power save modes for different anatomical region types.
G01S 7/52 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
G01S 15/89 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour la cartographie ou la représentation
A61B 8/08 - Détection de mouvements ou de changements organiques, p.ex. tumeurs, kystes, gonflements
10.
SYSTEM AND METHOD FOR GRAPHICAL USER INTERFACE WITH FILTER FOR ULTRASOUND IMAGE PRESETS
A graphical user interface displayed by a processing device in operative communication with an ultrasound device may include a preset filter option that provides an easy way to switch between different presets which belong to a preset family. The user uses the preset filter feature to cycle through the different presets in the family while remaining on the same screen that is showing ultrasound images collected in real time. The imaging depth remains the same while the user is using the preset filter feature to select the preset within a family. Other settings such as time-gain compensation may not remain the same when cycling between presets. The preset filter feature allows a user to continuously view and assess the ultrasound images being collected in real time while cycling through the presets in the family.
Disclosed herein are systems and methods for automatically updating scan patterns used during ultrasound imaging. A handheld ultrasound system may include an ultrasound device with a two-dimensional array of ultrasound transducers, and a smartphone or tablet that configures the ultrasound device to obtain a first ultrasound image frame using a scan pattern defining an acoustic beam. The system then updates the scan pattern to optimize a view of the desired anatomy. When the system is operating in cardiac imaging mode, the scan pattern may be updated by adjusting the azimuthal tilt and/or the elevational tilt of the acoustic beam. When the system is operating in lung imaging mode, the scan pattern may be updated by adjusting the elevational tilt and/or the translation of the aperture of the array of ultrasound transducers. The system then configures the ultrasound device to obtain a second ultrasound image frame using the updated scan pattern.
A61B 8/08 - Détection de mouvements ou de changements organiques, p.ex. tumeurs, kystes, gonflements
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
G10K 11/34 - Procédés ou dispositifs pour transmettre, conduire ou diriger le son pour focaliser ou pour diriger le son, p.ex. balayage par commande électrique de systèmes de transducteurs, p.ex. en dirigeant un faisceau acoustique
G01S 7/52 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
G01S 15/89 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour la cartographie ou la représentation
12.
APPARATUSES AND METHODS FOR CONFIGURING ULTRASOUND DEVICES
Ultrasound devices are disclosed. The ultrasound devices have an elevational dimension. Different percentages of the aperture of the ultrasound device corresponding to different percentages of the elevational dimension are utilized in different applications. The resolution of imagine may be adjusted in connection with usage of different percentages of the aperture.
G01S 7/52 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
H03K 17/687 - Commutation ou ouverture de porte électronique, c. à d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
13.
METHODS AND APPARATUSES FOR COLLECTION OF ULTRASOUND DATA
Technology for guiding a user to collect clinically usable ultrasound images is described. In some embodiments, an ultrasound device may automatically change the elevational steering angle of its ultrasound beam (e.g., using beamforming) in order to collect ultrasound data from different imaging planes within the subject. A processing device in operative communication with the ultrasound device may select one of the collected ultrasound images based on its quality (e.g., select the ultrasound image having the highest quality), and then continue to collect ultrasound images using the elevational steering angle at which the selected ultrasound image was collected.
Aspects of the present application provide methods and apparatus for directing operation of an ultrasound device. Some aspects provide various instructions to a user of the ultrasound device, automatically detect when the user has completed a step based on ultrasound images collected by the ultrasound device, and automatically transitioning to providing an instruction for a following step. The instructions may relate to positioning of the ultrasound device and application of an ultrasound coupling medium, in some embodiments.
A system for coherence imaging may receive ultrasound signals each having a respective delay associated with a respective ultrasonic transducer element in an ultrasonic transducer array. The system may obtain an approximation of the auto-correlation of ultrasound signals without any auto-correlation calculation, and determine the output image based on the approximation. In approximating the auto-correlation, the system may group the ultrasound signals into multiple portions, each corresponding to a respective sub-aperture of a plurality of sub-apertures of the ultrasonic transducer array. The system may determine a coherent sum of signals for each sub-aperture, perform a square operation or magnitude square operation over the coherent sum to obtain resulting data, normalize the resulting data, and sum the resulting data for all of the sub-apertures to generate the output image. A sub-aperture in the plurality of sub-apertures may overlap with another sub-aperture.
G01S 15/89 - Systèmes sonar, spécialement adaptés à des applications spécifiques pour la cartographie ou la représentation
G01S 7/52 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
A61B 8/08 - Détection de mouvements ou de changements organiques, p.ex. tumeurs, kystes, gonflements
16.
APPARATUSES AND METHODS FOR CONFIGURING ULTRASOUND DEVICES
Ultrasound devices are described. The ultrasound devices may be flexibly configured to output a certain number of multilines per channel of ultrasound data and to process certain channels of ultrasound data per processing cycle. The ultrasound device may then be configured to either output more multilines per channel and process fewer channels per processing cycle, or output fewer multilines per channel and process more channels per processing cycle. In other words, the circuitry may be configured to change to a configuration with increased resolution and increased processing time or to a configuration with decreased resolution and decreased processing time.
A61B 8/08 - Détection de mouvements ou de changements organiques, p.ex. tumeurs, kystes, gonflements
G01S 1/72 - Radiophares ou systèmes de balisage émettant des signaux ayant une ou des caractéristiques pouvant être détectées par des récepteurs non directionnels et définissant des directions, situations ou lignes de position déterminées par rapport aux émetteu; Récepteurs travaillant avec ces systèmes utilisant des ondes ultrasonores, sonores ou infrasonores
G01S 3/80 - Radiogoniomètres pour déterminer la direction d'où proviennent des ondes infrasonores, sonores, ultrasonores ou électromagnétiques ou des émissions de particules sans caractéristiques de direction utilisant des ondes ultrasonores, sonores ou infrasonores
G01S 5/18 - Localisation par coordination de plusieurs déterminations de direction ou de ligne de position; Localisation par coordination de plusieurs déterminations de distance utilisant des ondes ultrasonores, sonores ou infrasonores
G01S 5/22 - Position de source déterminée par coordination de plusieurs lignes de position définies par des mesures de différence de parcours
G01S 5/26 - Position d'un récepteur obtenue par coordination de plusieurs lignes de position définies par des mesures de différence de parcours
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
17.
CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCERS (CMUTS) HAVING NON-UNIFORM PEDESTALS
An ultrasound device is described. The ultrasound device comprises a capacitive micromachined ultrasonic transducer (CMUT). The CMUT comprises a membrane, a substrate, a cavity disposed between the membrane and the substrate, wherein the cavity comprises a bottom surface adjacent to the substrate, and non-uniform pedestals protruding from the bottom surface of the cavity into the cavity and towards the membrane.
B06B 1/02 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
B06B 1/00 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore
B81B 3/00 - Dispositifs comportant des éléments flexibles ou déformables, p.ex. comportant des membranes ou des lamelles élastiques
An ultrasonic transducer is described. The ultrasonic transducer comprises a membrane and a substrate disposed opposite the membrane such that a cavity is formed therebetween. The substrate comprises an electrode region and pedestals protruding from a surface of the substrate and having a height greater than a height of the electrode region, the pedestals being electrically isolated from the electrode region.
B06B 1/02 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
B81B 3/00 - Dispositifs comportant des éléments flexibles ou déformables, p.ex. comportant des membranes ou des lamelles élastiques
Methods and apparatuses for providing indications of missing landmarks in ultrasound images are described. Some embodiments are directed to apparatuses comprising a processing device configured to obtain data representing an ultrasound image, and determine whether the ultrasound image is clinically usable, wherein the determining comprises determining whether the ultrasound image lacks one or more landmarks. Determining whether the ultrasound image is clinically usable may further comprise determining a quality value representative of a quality of the ultrasound image and comparing the quality value to a threshold quality value. In some embodiments, landmarks comprise one or more anatomical features, such as a rib, a pleural line and an A line, a liver, and a kidney.
Aspects of the technology described herein relate to an ultrasound device that may has a phase-locked loop (PLL) that includes a digitally-controlled oscillator (DCO). The DCO includes a plurality of current source unit cells with respective drain switches a plurality of current source unit cells with respective source switches. The plurality of current source unit cells with respective drain switches and the plurality of current source unit cells may have different circuit topologies. Switching on one of the plurality of current source unit cells with respective drain switches may cause a voltage transition at an internal node proceeding in one voltage direction and switching on one of the plurality of current source unit cells with respective source switches may cause a voltage transition at an internal node proceeding in the opposite voltage direction.
H03L 7/08 - Commande automatique de fréquence ou de phase; Synchronisation utilisant un signal de référence qui est appliqué à une boucle verrouillée en fréquence ou en phase - Détails de la boucle verrouillée en phase
21.
METHODS AND APPARATUSES FOR DISPLAYING ULTRASOUND DISPLAYS ON A FOLDABLE PROCESSING DEVICE
A foldable processing device coupled to an ultrasound device is disclosed. In some embodiments, the foldable processing device may include a first panel having a first display screen, a second panel having a second display screen, and one or more hinges. The first panel and the second panel may be rotatably coupled by the one or more hinges. The foldable processing device may be in operative communication with an ultrasound device and configured to present different particular displays on the first and second display screens. In some embodiments, the foldable processing device may include a first panel, a second panel, a display screen, and one or more hinges.
A61B 5/05 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiques; Mesure utilisant des micro-ondes ou des ondes radio
E05D 3/12 - Charnières ou gonds à broches à plusieurs broches à deux broches parallèles et un bras
Aspects of the technology described herein relate to a capacitive micromachined ultrasonic transducer (CMUT) and a heater disposed in the CMUT, and forming a capacitive micromachined ultrasonic transducer (CMUT) and a heater disposed in the CMUT. A voltage may be applied to a heater disposed in a CMUT in an ultrasound imaging device in order to cause the heater to generate heat. Based on determining that the collapse voltage of the CMUT has increased by at least a threshold voltage between two times, a voltage may be automatically applied to a heater in the CMUT such that the heater generates heat.
B06B 1/02 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique
B81B 3/00 - Dispositifs comportant des éléments flexibles ou déformables, p.ex. comportant des membranes ou des lamelles élastiques
23.
FORMATION OF SELF-ASSEMBLED MONOLAYER FOR ULTRASONIC TRANSDUCERS
Micromachined ultrasonic transducers having a self-assembled monolayer formed on a surface of a sealed cavity are described. A micromachined ultrasonic transducer may include a flexible membrane configured to vibrate over a sealed cavity, and the self-assembled monolayer may coat some or all of the interior surfaces of the sealed cavity. During fabrication, the sealed cavity may be formed by bonding the membrane to a substrate such that the sealed cavity is between the membrane and the substrate. An access hole may be formed through the membrane to the sealed cavity and the self-assembled monolayer is formed on surface(s) of the sealed cavity by introducing precursors into the sealed cavity through the access hole.
B05D 1/40 - Distribution des liquides ou d'autres matériaux fluides, appliqués par des éléments se déplaçant par rapport à la surface à couvrir
B06B 1/00 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore
B06B 1/10 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie mécanique
B06B 3/00 - Procédés ou appareils spécialement adaptés pour transmettre des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore
B32B 43/00 - Opérations spécialement adaptées aux produits stratifiés et non prévues ailleurs, p.ex. réparation; Appareils pour ces opérations
A removable cable connector engages with an electronic device such that the removable cable connector removably yet securely attaches to the electronic device. In some embodiments, the electronic device includes a plate configured to guide an electronic plug of the removable cable connector toward an electronic receptacle of the electronic device. The plate may be further configured to include one or more locators for holding the electronic receptacle of the electronic device in place. The removable cable connector may include a molded housing formed using a two-shot overmolding process to form a first overmolded strain relief portion and a second overmolded strain relief portion which cover fasteners that fasten a face plate to the connector.
H01R 12/77 - Dispositifs de couplage pour circuits imprimés flexibles, câbles plats ou à rubans ou structures similaires
H01R 24/76 - Dispositifs de couplage en deux pièces, ou l'une des pièces qui coopèrent dans ces dispositifs, caractérisés par leur structure générale avec des broches, des pinces ou des contacts analogues, assujettis à l'appareil ou à la structure, p.ex. à une paroi
25.
ULTRASONIC TRANSDUCER ARRAY HAVING VARYING CAVITY DIAMETER PROFILE
An ultrasonic transducer array includes a plurality of functional micromachined ultrasonic transducers (MUTs), each having a cavity of a first diameter. One or more groups of non-functional MUTs are disposed about a perimeter of the functional MUTs, the one or more groups of non-functional MUTs having a cavity of a second diameter that is smaller than the first diameter.
B06B 1/02 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique
26.
METHODS AND APPARATUSES FOR ENHANCING ULTRASOUND DATA
Aspects of the technology described herein relate to enhancing ultrasound data. Some embodiments include receiving ultrasound data and automatically determining, with a processing device, that the ultrasound data depicts an anatomical view or one of a set of anatomical views. Based on automatically determining that the ultrasound data depicts the anatomical view or one of the set of anatomical views, an option is enabled to perform ultrasound data enhancement specific to the anatomical view or the set of anatomical views. Based on receiving the selection of the option, the ultrasound data, a portion thereof, and/or subsequently-collected ultrasound data is enhanced using the ultrasound data enhancement specific to the anatomical view or the set of anatomical views.
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
A61B 8/08 - Détection de mouvements ou de changements organiques, p.ex. tumeurs, kystes, gonflements
A61B 34/10 - Planification, simulation ou modélisation assistées par ordinateur d’opérations chirurgicales
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
G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques
Beamforming circuitry for an ultrasound device is disclosed, that may directly calculate the position in receive line space for an incoming ultrasound data sample given the time of flight (ToF) of that ultrasound data sample. In some embodiments, this may be done without initially buffering the ultrasound data sample received from the particular receive datapath multiplexed to the beamforming circuitry. The beamforming circuitry may then associate the ultrasound data sample with that position in receive line space, and in particular, with a memory address corresponding to that location. Thus, when the beamforming circuitry multiplexes between different receive datapaths, it may not need to buffer ultrasound data samples from different receive datapaths prior to saving the data to memory.
Aspects of the technology described herein relate to built-in self-testing (BIST) of circuitry (e.g., a pulser or receive circuitry) and/or transducers in an ultrasound device. A BIST circuit may include a transconductance amplifier coupled between a pulser and receive circuitry, a capacitor network coupled between a pulser and receive circuitry, and/or a current source couplable to the input terminal of receive circuitry to which a transducer is also couplable. The collapse voltages of transducers may be characterized using BIST circuitry, and a bias voltage may be applied to the membranes of the transducers based at least in part on their collapse voltages. The capacitances of transducers may also be measured using BIST circuitry and a notification may be generated based on the sets of measurements.
Aspects of the technology described herein relate to detection of one or more taps by an ultrasound device. An ultrasound device may comprise tap detection circuitry and be configured to detect, with the tap detection circuitry, one or more taps on an exterior of the ultrasound device during ultrasound imaging, and transmit an indication of the detection of the one or more taps to a processing device in operative communication with the ultrasound device during the ultrasound imaging. A processing device in operative communication with the ultrasound device may be configured to receive, from the ultrasound device, an indication of detection of one or more taps on an exterior of the ultrasound device during ultrasound imaging, and perform an action controlling an aspect of the ultrasound imaging based on receiving the indication of the detection of the one or more taps from the ultrasound device.
A61B 8/00 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores
G01S 7/52 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
brevets
