US 11,883,126 B2
Transcutaneous analyte sensors and monitors, calibration thereof, and associated methods
Arturo Garcia, Chula Vista, CA (US); Peter C Simpson, Cardiff, CA (US); Apurv U Kamath, San Diego, CA (US); Naresh C. Bhavaraju, San Diego, CA (US); and Stephen J. Vanslyke, Carlsbad, CA (US)
Assigned to Dexcom, Inc., San Diego, CA (US)
Filed by Dexcom, Inc., San Diego, CA (US)
Filed on Oct. 26, 2022, as Appl. No. 18/049,924.
Application 18/049,924 is a continuation of application No. 16/783,107, filed on Feb. 5, 2020, granted, now 11,504,004.
Application 16/783,107 is a continuation of application No. 15/261,818, filed on Sep. 9, 2016, abandoned.
Application 15/261,818 is a continuation of application No. 15/261,711, filed on Sep. 9, 2016, granted, now 10,470,660.
Application 15/261,711 is a continuation of application No. PCT/US2016/050814, filed on Sep. 8, 2016.
Claims priority of provisional application 62/216,926, filed on Sep. 10, 2015.
Prior Publication US 2023/0140651 A1, May 4, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 5/00 (2006.01); A61B 5/145 (2006.01); A61B 5/1495 (2006.01); A61B 5/11 (2006.01)
CPC A61B 5/0031 (2013.01) [A61B 5/1495 (2013.01); A61B 5/14532 (2013.01); A61B 5/7246 (2013.01); A61B 5/743 (2013.01); A61B 5/1118 (2013.01); A61B 5/14503 (2013.01); A61B 2560/0223 (2013.01); A61B 2560/0228 (2013.01)] 20 Claims
OG exemplary drawing
 
13. An analyte sensor system comprising:
an analyte concentration sensor;
a monitoring device, wherein the monitoring device is configured to detect when an analyte concentration value as measured by the analyte concentration sensor indwelling in a biological system; and
a processor, wherein the processor is a component of the monitoring device or of a device or a server operatively coupled to the monitoring device, wherein the processor is being programmed to perform operations comprising:
measuring analyte concentration values using an indwelling analyte concentration sensor to
obtain an indwelling analyte concentration sensor reading;
determining a first slow-moving average of the measured analyte concentration values of the analyte over a first period of time, and basing a first apparent sensitivity of the indwelling analyte concentration sensor based at least in part on the first slow-moving average;
following the first determining, determining a second slow-moving average of the measured analyte concentration values of the analyte over a second period of time, and basing a second apparent sensitivity of the indwelling analyte concentration sensor based at least in part on the second slow moving average; and
adjusting an actual sensitivity of the indwelling analyte concentration sensor to an adjusted value based on a difference between the first apparent sensitivity and the second apparent sensitivity when the difference between the first apparent sensitivity and the second apparent sensitivity meets a predetermined criteria, wherein the predetermined criteria is based on a range of acceptable sensitivity changes with respect to time.