A wearable continuous analyte monitoring (CAM) device includes a disposable sensor unit and a long-life reusable transmitter unit. The transmitter unit has no power source and has an enclosure that seals wireless transmitter circuitry within. The disposable sensor unit is configured to receive and provide power to the transmitter unit therein. Upon expiration of the disposable sensor unit, the transmitter unit can be removed from the disposable sensor unit and reused in another disposable sensor unit with a fresh power source. The CAM device has a cover constructed of a fabric material to improve aesthetics and feel of the CAM device. Methods of preparing and applying the CAM device to a user' s skin are also provided, as are other aspects.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
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 5/1473 - 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
2.
FLEXIBLE CIRCUIT BOARDS FOR CONTINUOUS ANALYTE MONITORING DEVICES
A flexible circuit board for a continuous analyte monitoring (CAM) device includes a plurality of physically separate circuit board cells each having circuitry thereon. The flexible circuit board also includes a plurality of flexible interconnections each connecting one of the physically separate circuit board cells to another of the physically separate circuit board cells. Each one of the flexible interconnections is operable to couple power, electrical signals, or both to the physically separate circuit board cells connected thereto. The flexible circuit board is bendable in multiple directions in three dimensions. Methods of constructing flexible circuit boards for CAM devices are also provided, as are other aspects.
An electrochemical test sensor is adapted to receive a fluid sample including an analyte. The electrochemical test sensor includes a base. The base includes an enzyme adapted to react with the analyte. The electrochemical test sensor further includes a plurality of electrodes, a near field communication (NFC) tag chip, an analog front end (AFE) and a microcontroller.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
H04W 12/47 - Dispositions de sécurité utilisant des modules d’identité utilisant la communication en champ proche [NFC] ou des modules d’identification par radiofréquence [RFID]
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
A system for determining analyte information of a fluid sample includes an electrochemical test sensor, an NFC-enabled dongle and an NFC-enabled reader. The test sensor includes a base, an enzyme adapted to react with the analyte, electrodes and test-sensor contacts. The NFC-enabled dongle includes a near field communication (NFC) tag chip, an analog front end (AFE), and a microcontroller. The dongle includes an exterior covering that forms an opening for receiving the test sensor. The NFC-enabled reader wirelessly receives data from the dongle to assist in determining the analyte information of the fluid sample. Another system for determining analyte information of a fluid sample includes an electrochemical test sensor, a Bluetooth-enabled dongle and a Bluetooth-enabled reader.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
H04W 12/47 - Dispositions de sécurité utilisant des modules d’identité utilisant la communication en champ proche [NFC] ou des modules d’identification par radiofréquence [RFID]
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
A coupling tool (400) for coupling together an electronics unit and a base unit of a wearable device for continuous analyte monitoring, such as continuous glucose monitoring, includes a carrier (404) comprising a receiving feature and a carrier retention device (632), the carrier retention device configured to retain an electronics unit adjacent the receiving feature. The coupling tool also includes an activator (402) including: a first member at least partially receivable in the receiving feature and a contact member (514) configured to release the electronics unit from the carrier retention device in response to movement of the activator relative to the carrier. The coupling tool is in a locked configuration when the carrier retention device (632) is configured to retain the electronics unit, and the coupling tool is in an unlocked configuration when the carrier retention device (632) is configured to release the electronics unit from the carrier retention device (632). Other embodiments and methods are also disclosed. Since a wearable device and an associated electronics unit may be very small so as not to interfere with movement of the user or irritate the user, the coupling tool (400) may facilitate manually coupling an electronics unit and a base unit together.
B25B 9/02 - Outils de serrage tenus à la main autres que ceux prévus au groupe sans connexions coulissantes ou pivotantes, p.ex. brucelles, pincettes de cheminées
G04D 1/02 - Brucelles; Etaux ou autres outils à main particuliers pour horlogers
6.
NON-STEADY-STATE DETERMINATION OF ANALYTE CONCENTRATION FOR CONTINUOUS GLUCOSE MONITORING BY POTENTIAL MODULATION
A method of determining glucose values during continuous glucose monitoring (CGM) measurements includes providing a CGM device including a sensor, a memory, and a processor; applying a constant voltage potential to the sensor; measuring a primary current signal resulting from the constant voltage potential and storing the measured primary current signal in the memory; applying a probing potential modulation sequence to the sensor; measuring probing potential modulation current signals resulting from the probing potential modulation sequence and storing measured probing potential modulation current signals in the memory; determining an initial glucose concentration based on a conversion function and a measured probing potential modulation current signal; determining a connection function value based on the primary current signal and a plurality of the probing potential modulation current signals; and determining a final glucose concentration based on the initial glucose concentration and the connection function value. Other aspects are disclosed.
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 5/1495 - 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
7.
CONTINUOUS ANALYTE MONITORING SENSOR CALIBRATION AND MEASUREMENTS BY A CONNECTION FUNCTION
A method of determining glucose values during continuous glucose monitoring (CGM) measurements includes providing a CGM device including a sensor, a memory, and a processor; applying a constant voltage potential to the sensor; measuring a primary current signal resulting from the constant voltage potential and storing the measured primary current signal in the memory; applying a probing potential modulation sequence to the sensor; measuring probing potential modulation current signals resulting from the probing potential modulation sequence and storing measured probing potential modulation current signals in the memory; determining an initial glucose concentration based on a conversion function value and the primary current signal; determining a connection function based on the primary current signal and a plurality of the probing potential modulation current signals; and determining a final glucose concentration based on the initial glucose concentration and the connection function value. Other aspects are provided.
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 5/1495 - 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
8.
EXTRACTING PARAMETERS FOR ANALYTE CONCENTRATION DETERMINATION
A method of determining glucose values during continuous glucose monitoring (CGM) measurements includes providing a CGM device including a sensor, a memory, and a processor; applying a constant voltage potential to the sensor; measuring a primary current signal resulting from the constant voltage potential and storing the measured primary current signal in the memory; applying a probing potential modulation sequence to the sensor; measuring probing potential modulation current signals resulting from the probing potential modulation sequence and storing measured probing potential modulation current signals in the memory; determining an initial glucose concentration based on a conversion function and a ratio of measured probing potential modulation current signals; determining a connection function value based on the primary current signal and a plurality of the probing potential modulation current signals; and determining a final glucose concentration based on the initial glucose concentration and the connection function value. Other aspects are disclosed.
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 5/1495 - 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
9.
BIOSENSOR WITH MEMBRANE STRUCTURE FOR STEADY-STATE AND NON-STEADY-STATE CONDITIONS FOR DETERMINING ANALYTE CONCENTRATIONS
A biosensor system is configured to establish a steady-state condition and alternate between the steady-state condition and a non-steady-state condition to determine an analyte concentration. The biosensor system includes an electrode system having at least one working electrode and one counter electrode. The working electrode is covered with an analyte catalyzing layer for converting an analyte into measurable species. A membrane system encompasses the electrode system and comprises an analyte permeable membrane. The membrane has an analyte permeability with lower analyte solubility than an analyte solubility outside the membrane. The membrane is configured to trap a measureable species within the membrane such that a steady-state of the measurable species resulting from the analyte is established near the electrode surface. A bias circuit is configured to apply a potential modulation sequence to the working electrode to cause alternating of steady-state and non-steady-state conditions within the electrode system for analyte concentration determination.
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 5/1495 - 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
10.
DETECTING REINSERTION OF A CONTINUOUS GLUCOSE MONITORING SENSOR
A continuous glucose monitoring (CGM) system is configured to detect a reinserted CGM sensor. The system reads a CGM sensor identifier stored in a CGM sensor unit memory in response to insertion of a CGM sensor into the skin of user. The system compares the identifier to any previously-stored identifiers of previously-inserted CGM sensors. If the identifier does not match a previously-stored identifier, indicating a newly-inserted sensor, the identifier is stored and CGM may begin. If the identifier matches a previously- stored identifier, indicating a reinserted sensor, a usage limit corresponding to the stored identifier of the reinserted sensor is then checked to determine whether it has been met. If it has, CGM is halted. If it has not, CGM may continue with the reinserted CGM sensor. Methods of detecting reinsertion and usage limits of a CGM sensor are also provided, as are other aspects.
G16H 10/40 - TIC spécialement adaptées au maniement ou au traitement des données médicales ou de soins de santé relatives aux patients pour des données relatives aux analyses de laboratoire, p.ex. pour des analyses d’échantillon de patient
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
11.
TRACKING INSERTION AND REMOVAL TIMES OF A CONTINUOUS GLUCOSE MONITORING SENSOR
In response to insertion of a continuous glucose monitoring (CGM) sensor into the skin of user, a CGM system compares an identifier of the sensor to any previously-stored identifiers of previously-inserted sensors, If the identifier does not match a previously-stored identifier, indicating a newly-inserted sensor, the identifier and a time stamp are stored and CGM may begin, Upon removal of the sensor, a removal time stamp is stored, If the identifier of an inserted sensor matches a previously-stored identifier, indicating a reinserted sensor, a reinsertion time is obtained and an elapsed removal time is checked to determine whether it exceeds a maximum removal time limit. If it does, CGM is halted. If it does not, CGM may continue with the reinserted sensor. Methods of tracking insertion and removal times of a CGM sensor are also provided, as are other aspects.
G16H 20/10 - 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 médicaments ou des médications, p.ex. pour s’assurer de l’administration correcte aux patients
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 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
G16H 50/70 - 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 extraire des données médicales, p.ex. pour analyser les cas antérieurs d’autres patients
12.
METHODS AND APPARATUS CONFIGURED TO TRANSMIT DATA IN CONTINUOUS ANALYTE MONITORS
In one or more embodiments, a base unit of a wearable device for continuous analyte monitoring may include sensor memory circuitry and a sensor assembly. The sensor memory circuitry stores information (data) of at least one parameter of at least one component of the base unit, such as, e.g., the sensor assembly. The base unit is configured to couple to a transmitter unit of the wearable device and to transfer the information to the transmitter unit. Analyte determinations are made based at least in part on the information. Numerous other embodiments are provided.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
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
13.
METHODS AND APPARATUS FOR TIME-VARYING FILTERING OF SIGNALS OF CONTINUOUS ANALYTE MONITORING SYSTEMS
A method of filtering a signal in a continuous analyte monitoring (CAM) system includes applying time-varying filtering to the signal using a time-varying filter to generate a filtered continuous analyte' monitoring signal during an analyte monitoring period. Other methods, apparatus, continuous analyte monitoring devices, and continuous glucose monitoring devices are also disclosed.
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 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
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 5/1455 - 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 capteurs optiques, p.ex. des oxymètres à photométrie spectrale
14.
METHOD AND APPARATUS FOR ADAPTIVE FILTERING OF SIGNALS OF CONTINUOUS ANALYTE MONITORING SYSTEMS
A method of filtering a signal in a continuous analyte monitoring system (CAM) includes applying adaptive filtering to the signal using an adaptive filter to generate a filtered continuous analyte monitoring signal during an analyte monitoring period, and increasing the adaptive filtering applied to the signal as a function of increasing noise on the signal. Other methods, apparatus, continuous analyte monitoring devices, and continuous glucose monitoring devices are also disclosed.
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 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
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 5/1455 - 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 capteurs optiques, p.ex. des oxymètres à photométrie spectrale
15.
FLEXIBLE PRINTED CIRCUIT BOARD HAVING A BATTERY MOUNTED THERETO
A flexible printed circuit board (PCB) may have one or more coin cell batteries mounted thereto such that the flexibility of the flexible PCB is maintained. The flexible PCB has one or more battery contact pads fabricated thereon. Each battery contact pad includes a pattern of metalized vias each extending from a top surface to a bottom surface of the flexible PCB. A coin cell battery may be positioned over or under the battery contact pad. Conductive light curable epoxy is applied to and in each metalized via to contact and adhere to the coin cell battery to form a conductive path from the battery through the battery contact pad to printed conductors on the flexible PCB. Methods of mounting one or more coin cell batteries to a flexible PCB are also provided, as are other aspects.
H05K 1/18 - Circuits imprimés associés structurellement à des composants électriques non imprimés
H05K 1/09 - Emploi de matériaux pour réaliser le parcours métallique
H05K 1/11 - Eléments imprimés pour réaliser des connexions électriques avec ou entre des circuits imprimés
H05K 3/12 - Appareils ou procédés pour la fabrication de circuits imprimés dans lesquels le matériau conducteur est appliqué au support isolant de manière à former le parcours conducteur recherché utilisant la technique de l'impression pour appliquer le matériau conducteur
H05K 3/32 - Connexions électriques des composants électriques ou des fils à des circuits imprimés
H05K 3/40 - Fabrication d'éléments imprimés destinés à réaliser des connexions électriques avec ou entre des circuits imprimés
16.
WEARABLE DEVICES, WEARABLE DEVICE FORMING METHODS, AND METHODS OF REUSE OF TRANSMITTER UNITS OF WEARABLE DEVICES IN CONTINUOUS ANALYTE MONITORING SYSTEMS
In one or more embodiments, a continuous analyte monitoring wearable device includes a disposable base unit having a power source and an analyte sensor, and a reusable transmitter unit that includes electronic circuitry configured to bias the analyte sensor, measure current through the analyte sensor, and, in some embodiments, even compute analyte values based on measured current through the analyte sensor. The disposable base unit is configured to couple to the reusable transmitter unit and supply electrical power to the electronic circuitry of the reusable transmitter unit for continuous analyte monitoring. Numerous other embodiments are provided.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
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 5/1473 - 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
17.
STERILIZED REUSABLE WEARABLE DEVICES AND WEARABLE DEVICE FORMING METHODS IN CONTINUOUS ANALYTE MONITORING
In one or more embodiments, a continuous analyte monitoring wearable device includes a disposable base unit having a power source and an analyte sensor, and a reusable transmitter unit that includes electronic circuitry configured to bias the analyte sensor, measure current through the analyte sensor, and may even compute analyte values based on measured current through the analyte sensor. The disposable base unit is configured to couple to the reusable transmitter unit and supply electrical power to the electronic circuitry of the reusable transmitter unit for continuous analyte monitoring. Numerous other embodiments are provided.
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
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 5/1473 - 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
18.
METHOD AND APPARATUS FOR IMPLEMENTING THRESHOLD BASED CORRECTION FUNCTIONS FOR BIOSENSORS
A biosensor system, method and apparatus are provided for implementing threshold based correction functions for biosensors. A primary measurement of an analyte value is obtained. A secondary measurement of a secondary effect is obtained and is compared with a threshold value. A correction function is identified responsive to the compared values. The correction function is applied to the primary measurement of the analyte value to provide a corrected analyte value. The correction method uses correction curves that are provided to correct for an interference effect. The correction curves can be linear or non-linear. The corrction method provides different correction functions above and below the threshold value. The correction functions may be dependent or independent of the primary measurement that is being corrected. The correction functions may be either linear or nonlinear.
G01N 33/487 - Analyse physique de matériau biologique de matériau biologique liquide
C12Q 1/00 - Procédés de mesure ou de test faisant intervenir des enzymes, des acides nucléiques ou des micro-organismes; Compositions à cet effet; Procédés pour préparer ces compositions
brevets
