公开(公告)号：US20240293054A1

公开(公告)日：2024-09-05

申请号：US18663413

申请日：2024-05-14

申请人： Dexcom, Inc.

发明人： Kevin Ka Wing CHENG ,  Devon M. HEADEN ,  Qi AN ,  Samir Sudhir DAMLE ,  Nicholas Vincent APOLLO ,  Sylvie LIONG ,  Hadley Faith VANRENTERGHEM ,  Mohamed R. HELAYHEL ,  Peter Charles SIMPSON ,  Spencer Troy FRANK

IPC分类号： A61B5/1495 ,  A61B5/145

CPC分类号： A61B5/1495 ,  A61B5/14532 ,  A61B5/14546

摘要： The present disclosure describes a multi-analyte sensor system that detects wear location. The system includes a first sensor, a second sensor, a memory, and a processor communicatively coupled to the memory. The first sensor produces a first signal stream indicating a level of a first analyte, and the second sensor produces first physiological data. The processor determines, based on the first signal stream and the first physiological data, a wear location of the first sensor and makes an adjustment related to at least one of the first sensor or the first signal stream based on the wear location of the first sensor.

公开(公告)号：US20230263439A1

公开(公告)日：2023-08-24

申请号：US18172752

申请日：2023-02-22

申请人： Dexcom, Inc.

发明人： Kevin Ka Wing CHENG ,  Devon M. HEADEN ,  Qi AN ,  Samir Sudhir DAMLE ,  Nicholas Vincent APOLLO ,  Sylvie LIONG ,  Hadley Faith VANRENTERGHEM ,  Mohamed R. HELAYHEL ,  Peter Charles SIMPSON ,  Spencer Troy FRANK

IPC分类号： A61B5/1495 ,  A61B5/145

CPC分类号： A61B5/1495 ,  A61B5/14532 ,  A61B5/14546

摘要： An apparatus includes an analyte sensor, a memory, and a processor. The processor monitors, using the analyte sensor, an analyte of a patient during a time period to obtain measured analyte data for the analyte and monitors other measured sensor data indicative of a physiological state of the patient during the time period. The processor also determines, based on the physiological state of the patient during the time period, expected analyte data for the analyte and determines a correction factor based on the expected analyte data and the measured analyte data. The correction factor is indicative of an error in calibration of the analyte sensor. The processor also determines whether recalibration of the analyte sensor is possible. If recalibration is possible, the processor recalibrates the analyte sensor based on the correction factor, and if recalibration is not possible, the processor recommends, to the patient, to replace the analyte sensor.

公开(公告)号：US20240341693A1

公开(公告)日：2024-10-17

申请号：US18627989

申请日：2024-04-05

申请人： Dexcom, Inc.

发明人： Qi AN ,  Kevin CHENG ,  Anna C. HARLEY-TROCHIMCZYK ,  Avid NAJDAHMADI ,  Joshua Ray WINDMILLER ,  Hadley Faith VANRENTERGHEM ,  Mohamed R. HELAYHEL ,  Peter C. SIMPSON

IPC分类号： A61B5/00 ,  A61B5/145

CPC分类号： A61B5/7221 ,  A61B5/0004 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/7203

摘要： The present disclosure relates to methods and systems for predicting glycemic events in a patient induced as a result of physical activity. In certain aspects, a method includes monitoring a plurality of analytes of the patient continuously during a time period to obtain analyte signals, the plurality of analytes including at least glucose and lactate. The method further includes processing the analyte data from the time period to determine signal-to-noise ratios of the analyte signal. The method then compares the signal-to-noise ratios to each other to determine if a sensor in the continuous analyte monitoring system is non-responsive. In alternative embodiments, a reference signal is obtained and a reference signal-to-noise ratio is compared to the analyte signal-to-noise ratio to determine if a sensor in the continuous analyte monitoring system is non-responsive.

公开(公告)号：US20240298942A1

公开(公告)日：2024-09-12

申请号：US18663473

申请日：2024-05-14

申请人： Dexcom, Inc.

发明人： Kevin Ka Wing CHENG ,  Devon M. HEADEN ,  Qi AN ,  Samir Sudhir DAMLE ,  Nicholas Vincent APOLLO ,  Sylvie LIONG ,  Hadley Faith VANRENTERGHEM ,  Mohamed R. HELAYHEL ,  Peter Charles SIMPSON ,  Spencer Troy FRANK

IPC分类号： A61B5/1495 ,  A61B5/145

CPC分类号： A61B5/1495 ,  A61B5/14532 ,  A61B5/14546

摘要： The present disclosure describes a multi-analyte sensor system. The system includes a first sensor with a first enzyme for a first analyte, a second sensor with a second enzyme for a second analyte different from the first analyte, a potentiostat, a memory, and a processor communicatively coupled to the memory. The potentiostat applies a first voltage to the first sensor to cause a first current to flow through the first sensor and applies a second voltage to the second sensor to cause a second current to flow through the second sensor. The processor determines, based on the first current, a level of the first analyte and determines, based on the second current, a level of the second analyte.

公开(公告)号：US20240268725A1

公开(公告)日：2024-08-15

申请号：US18642713

申请日：2024-04-22

申请人： Dexcom, Inc.

发明人： Kevin Ka Wing CHENG ,  Devon M. HEADEN ,  Qi AN ,  Samir Sudhir DAMLE ,  Nicholas Vincent APOLLO ,  Sylvie LIONG ,  Hadley Faith VANRENTERGHEM ,  Mohamed R. HELAYHEL ,  Peter Charles SIMPSON ,  Spencer Troy FRANK

IPC分类号： A61B5/1495 ,  A61B5/145

CPC分类号： A61B5/1495 ,  A61B5/14532 ,  A61B5/14546

摘要： The present disclosure describes a multi-analyte sensor system that detects artifacts using multiple analytes. According to an embodiment, the multi-analyte sensor system includes a first analyte sensor, a second analyte sensor, and a sensor electronics module. The first analyte sensor produces a first analyte signal stream indicating a level of a first analyte. The second analyte sensor produces a second analyte signal stream indicating a level of a second analyte different from the first analyte. The sensor electronics module detects, based on the first analyte signal stream and the second analyte signal stream, at least one of a compression event or a dip and recover event and in response to detecting at least one of the compression event or the dip and recover event, make an adjustment related to at least one of the first analyte sensor or the first analyte signal stream based on the event.