公开(公告)号：US20240277270A1

公开(公告)日：2024-08-22

申请号：US18603021

申请日：2024-03-12

Applicant: Dexcom, Inc.

Inventor： Sebastian Böhm ,  Anna Harley-Trochimczyk ,  Daiting Rong ,  Rui Ma ,  Wenjie Lan ,  Minglian Shi ,  Disha Sheth ,  Vincent Crabtree ,  Kamuran Turksoy

IPC: A61B5/1495 ,  A61B5/00 ,  A61B5/0537 ,  A61B5/145 ,  A61B5/1473 ,  A61B5/1486 ,  G01N27/02 ,  G01N27/22 ,  G01N27/24 ,  G01N33/487

CPC classification number: A61B5/1495 ,  A61B5/0537 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1473 ,  A61B5/1486 ,  A61B5/14865 ,  A61B5/6844 ,  G01N27/221 ,  G01N27/24 ,  G01N33/48707 ,  A61B5/0004 ,  A61B5/0031 ,  A61B2560/0223 ,  A61B2560/0252 ,  A61B2560/0276 ,  G01N27/026

Abstract: Various examples described herein are directed to systems and methods of detecting damage to an analyte sensor using analyte sensor impedance values. In some examples, a method of assessing sensor membrane integrity using sensor electronics comprises determining an impedance parameter of an analyte sensor and determining a membrane integrity state of the analyte sensor based on the impedance parameter.

公开(公告)号：US12029560B2

公开(公告)日：2024-07-09

申请号：US16728765

申请日：2019-12-27

Applicant: DexCom, Inc.

Inventor： Sebastian Bohm ,  Anna Claire Harley-Trochimczyk ,  Daiting Rong ,  Rui Ma ,  Wenjie Lan ,  Minglian Shi ,  Disha B. Sheth ,  Nicholas Kalfas ,  Vincent P. Crabtree ,  Kamuran Turksoy

IPC: A61B5/1495 ,  A61B5/00 ,  A61B5/0537 ,  A61B5/145 ,  A61B5/1473 ,  A61B5/1486 ,  G01N27/22 ,  G01N27/24 ,  G01N33/487 ,  G01N27/02

CPC classification number: A61B5/1495 ,  A61B5/0537 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1473 ,  A61B5/1486 ,  A61B5/14865 ,  A61B5/6844 ,  G01N27/221 ,  G01N27/24 ,  G01N33/48707 ,  A61B5/0004 ,  A61B5/0031 ,  A61B2560/0223 ,  A61B2560/0252 ,  A61B2560/0276 ,  G01N27/026

Abstract: Various examples are directed to systems and methods of and using analyte sensors. An example analyte sensor system comprises an analyte sensor and a hardware device in communication with the analyte sensor. The hardware device may be configured to perform operations comprising applying a first bias voltage to the analyte sensor, the first bias voltage less than an operational bias voltage of the analyte sensor, measuring a first current at the analyte sensor when the first bias voltage is applied, and applying a second bias voltage to the analyte sensor. The operations may further comprise measuring a second current at the analyte sensor when the second bias voltage is applied, detecting a plateau bias voltage using the first current and the second current, determining that the plateau bias voltage is less than a plateau bias voltage threshold, and executing a responsive action at the analyte sensor.

公开(公告)号：US11963767B2

公开(公告)日：2024-04-23

申请号：US16729021

申请日：2019-12-27

Applicant: DexCom, Inc.

Inventor： Sebastian Bohm ,  Anna Claire Harley-Trochimczyk ,  Daiting Rong ,  Rui Ma ,  Wenjie Lan ,  Minglian Shi ,  Disha B. Sheth ,  Vincent P. Crabtree ,  Kamuran Turksoy

IPC: A61B5/1495 ,  A61B5/00 ,  A61B5/0537 ,  A61B5/145 ,  A61B5/1473 ,  A61B5/1486 ,  G01N27/22 ,  G01N27/24 ,  G01N33/487 ,  G01N27/02

CPC classification number: A61B5/1495 ,  A61B5/0537 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1473 ,  A61B5/1486 ,  A61B5/14865 ,  A61B5/6844 ,  G01N27/221 ,  G01N27/24 ,  G01N33/48707 ,  A61B5/0004 ,  A61B5/0031 ,  A61B2560/0223 ,  A61B2560/0252 ,  A61B2560/0276 ,  G01N27/026

Abstract: Various examples described herein are directed to systems and methods of detecting damage to an analyte sensor using analyte sensor impedance values. In some examples, a method of assessing sensor membrane integrity using sensor electronics comprises determining an impedance parameter of an analyte sensor and determining a membrane integrity state of the analyte sensor based on the impedance parameter.

公开(公告)号：US20240049998A1

公开(公告)日：2024-02-15

申请号：US18494559

申请日：2023-10-25

Applicant: DexCom, Inc.

Inventor： Peter C. Simpson ,  Jennifer Blackwell ,  Sebastian Bohm ,  Michael J. Estes ,  Jeff Jackson ,  Jason Mitchell ,  Jack Pryor ,  Daiting Rong ,  Sean T. Saint ,  Disha B. Sheth ,  Shanger Wang

IPC: A61B5/1473 ,  A61B5/145 ,  A61B5/00 ,  A61B17/34

CPC classification number: A61B5/1473 ,  A61B5/14503 ,  A61B5/14532 ,  A61B5/6848 ,  A61B5/4839 ,  A61B17/3468 ,  A61B2017/00004

Abstract: Sensor devices including dissolvable tissue-piercing tips are provided. The sensor devices can be used in conjunction with dissolvable needles configured for inserting the sensor devices into a host. Hardening agents for strengthening membranes on sensor devices are also provided. Methods of using and fabricating sensor devices are also provided.

公开(公告)号：US11832943B2

公开(公告)日：2023-12-05

申请号：US17156393

申请日：2021-01-22

Applicant: DexCom, Inc.

Inventor： Peter C. Simpson ,  Jennifer Blackwell ,  Sebastian Bohm ,  Michael J. Estes ,  Jeff Jackson ,  Jason Mitchell ,  Jack Pryor ,  Daiting Rong ,  Sean T. Saint ,  Disha B. Sheth ,  Shanger Wang

IPC: A61B5/1473 ,  A61B5/145 ,  A61B5/00 ,  A61B17/34 ,  A61B17/00

CPC classification number: A61B5/1473 ,  A61B5/14503 ,  A61B5/14532 ,  A61B5/4839 ,  A61B5/6848 ,  A61B17/3468 ,  A61B2017/00004

Abstract: Sensor devices including dissolvable tissue-piercing tips are provided. The sensor devices can be used in conjunction with dissolvable needles configured for inserting the sensor devices into a host. Hardening agents for strengthening membranes on sensor devices are also provided. Methods of using and fabricating sensor devices are also provided.

公开(公告)号：US20230380736A1

公开(公告)日：2023-11-30

申请号：US18205297

申请日：2023-06-02

Applicant: Dexcom, Inc.

Inventor： Naresh C. Bhavaraju ,  Sebastian Böhm ,  Robert Boock ,  Daiting Rong ,  Peter C. Simpson

IPC: A61B5/1495 ,  A61B5/1473 ,  A61B5/1459 ,  A61B5/00 ,  A61B5/145 ,  A61B5/1486

CPC classification number: A61B5/1495 ,  A61B5/1473 ,  A61B5/1459 ,  A61B5/7278 ,  A61B5/14532 ,  A61B5/7246 ,  A61B5/7221 ,  A61B5/14865 ,  A61B2562/04

Abstract: Disclosed herein are devices, systems, and methods for a continuous analyte sensor, such as a continuous glucose sensor. In certain embodiments disclosed herein, various in vivo properties of the sensor's surroundings can be measured. In some embodiments, the measured properties can be used to identify a physiological response or condition in the body. This information can then be used by a patient, doctor, or system to respond appropriately to the identified condition.

公开(公告)号：US20230337947A1

公开(公告)日：2023-10-26

申请号：US18126220

申请日：2023-03-24

Applicant: Dexcom, Inc.

Inventor： Sebastian Bohm ,  Wenjie Lan ,  Thomas Robert Porter ,  Daiting Rong ,  Jason Halac

IPC: A61B5/1468 ,  A61B5/145

CPC classification number: A61B5/14532 ,  A61B5/1468 ,  C09D133/08

Abstract: Various examples are directed to a glucose sensor comprising a working electrode to support an oxidation reaction and a reference electrode to support a redox reaction. The reference electrode may comprise silver and silver chloride. The Glucose sensor may also comprise an anti-mineralization agent positioned at the reference electrode to reduce formation of calcium carbonate at the reference electrode.

公开(公告)号：US10932709B2

公开(公告)日：2021-03-02

申请号：US14964433

申请日：2015-12-09

Applicant: DexCom, Inc.

Inventor： Peter C. Simpson ,  Jennifer Blackwell ,  Sebastian Bohm ,  Michael J. Estes ,  Jeff Jackson ,  Jason Mitchell ,  Jack Pryor ,  Daiting Rong ,  Sean T. Saint ,  Disha B. Sheth ,  Shanger Wang

IPC: A61B5/1473 ,  A61B5/145 ,  A61B5/00 ,  A61B17/34 ,  A61B17/00

Abstract: Sensor devices including dissolvable tissue-piercing tips are provided. The sensor devices can be used in conjunction with dissolvable needles configured for inserting the sensor devices into a host. Hardening agents for strengthening membranes on sensor devices are also provided. Methods of using and fabricating sensor devices are also provided.

公开(公告)号：US20210038129A1

公开(公告)日：2021-02-11

申请号：US17082627

申请日：2020-10-28

Applicant: DexCom, Inc.

Inventor： Sebastian Bohm ,  Daiting Rong ,  Peter C. Simpson

IPC: A61B5/1495 ,  G01N27/327 ,  A61B5/145 ,  A61B5/1486 ,  A61B5/00 ,  G01D18/00 ,  G01N27/02 ,  G01N33/49 ,  A61B5/1473

Abstract: Systems and methods for processing sensor data and self-calibration are provided. In some embodiments, systems and methods are provided which are capable of calibrating a continuous analyte sensor based on an initial sensitivity, and then continuously performing self-calibration without using, or with reduced use of, reference measurements. In certain embodiments, a sensitivity of the analyte sensor is determined by applying an estimative algorithm that is a function of certain parameters. Also described herein are systems and methods for determining a property of an analyte sensor using a stimulus signal. The sensor property can be used to compensate sensor data for sensitivity drift, or determine another property associated with the sensor, such as temperature, sensor membrane damage, moisture ingress in sensor electronics, and scaling factors.

公开(公告)号：US20200330006A1

公开(公告)日：2020-10-22

申请号：US16917578

申请日：2020-06-30

Applicant: DexCom, Inc.

Inventor： Peter C. Simpson ,  Jennifer Blackwell ,  Sebastian Bohm ,  Michael J. Estes ,  Jeff Jackson ,  Jason Mitchell ,  Jack Pryor ,  Daiting Rong ,  Sean T. Saint ,  Disha B. Sheth ,  Shanger Wang

IPC: A61B5/1473 ,  A61B5/145

Abstract: Sensor devices including dissolvable tissue-piercing tips are provided. The sensor devices can be used in conjunction with dissolvable needles configured for inserting the sensor devices into a host. Hardening agents for strengthening membranes on sensor devices are also provided. Methods of using and fabricating sensor devices are also provided.