US 12,274,548 B2
Sensor insertion devices and methods of use
Gary Ashley Stafford, Hayward, CA (US)
Assigned to ABBOTT DIABETES CARE INC., Alameda, CA (US)
Filed by ABBOTT DIABETES CARE INC., Alameda, CA (US)
Filed on Sep. 2, 2022, as Appl. No. 17/902,478.
Application 17/902,478 is a continuation of application No. 17/558,101, filed on Dec. 21, 2021.
Application 17/558,101 is a continuation of application No. 16/115,946, filed on Aug. 29, 2018, granted, now 11,234,621, issued on Feb. 1, 2022.
Application 16/115,946 is a continuation of application No. 15/729,572, filed on Oct. 10, 2017, granted, now 10,070,810, issued on Sep. 11, 2018.
Application 15/729,572 is a continuation of application No. 11/552,072, filed on Oct. 23, 2006, granted, now 9,788,771, issued on Oct. 17, 2017.
Prior Publication US 2022/0409101 A1, Dec. 29, 2022
Int. Cl. A61B 5/1468 (2006.01); A61B 5/145 (2006.01); A61B 5/1486 (2006.01)
CPC A61B 5/1468 (2013.01) [A61B 5/14532 (2013.01); A61B 5/14546 (2013.01); A61B 5/14865 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A glucose sensor insertion device, comprising:
a housing defining an interior;
an actuator button residing in an opening of the housing and configured to be depressed;
an introducer sharp;
a magnet;
a transcutaneous glucose sensor comprising a first portion configured for insertion under a user's skin and for electrochemical measurement of glucose concentrations in the user's interstitial fluid, and a second portion configured to be positioned above the user's skin;
a drive spring configured to, upon depression of the actuator button, urge the introducer sharp, the magnet, and the transcutaneous glucose sensor from a cocked position disposed entirely in the interior to an insertion position, wherein the introducer sharp and the first portion of the transcutaneous glucose sensor are positioned under the user's skin in the insertion position, and wherein the magnet is distal to the distal end of the drive spring; and
a retraction spring configured to, upon the introducer sharp, the magnet, and the transcutaneous glucose sensor reaching the insertion position, automatically retract the introducer sharp within the interior while the first portion of the transcutaneous glucose sensor remains under the user's skin.