IP Library › Granted Patent US 12,521,041
Granted Patent B2
US 12,521,041 · App. 16/433,931 · Granted Jan 13, 2026

Systems, devices, and methods for analyte sensor insertion

Inventors: Vincent M. DiPalma (Oakland, CA); Phillip W. Carter (Oakland, CA); Udo Hoss (San Ramon, CA); Peter G. Robinson (Alamo, CA); Andrew H. Naegeli (Walnut Creek, CA)
Assignee: ABBOTT DIABETES CARE INC.
A61B5/14503A61B5/14546A61B5/14865A61B5/14532
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Quick Facts
Patent No.
US 12,521,041
App. No.
16/433,931
Granted
Jan 13, 2026
Kind
B2
Abstract

Systems, devices and methods are provided for inserting at least a portion of an in vivo analyte sensor for sensing an analyte level in a bodily fluid of a subject. In various embodiments, applicators and components thereof are designed to reduce trauma to tissue of a sensor insertion site and to increase the likelihood of a successful sensor insertion. Some embodiments ensure structural integrity of a sensor.

Claims (45)

1 . An assembly for use in an applicator, the assembly comprising:

a glucose sensor; and

a sharp module comprising a sharp and a hub, wherein the sharp comprises a sharp shaft, a sharp proximal end coupled with a distal end of the hub, and a sharp distal end comprising a distal extension and an offset distal tip portion configured to penetrate a skin surface of a subject,

wherein the sharp shaft comprises one or more sidewalls defining a U-shaped sensor channel with an open side, wherein an edge of a first sidewall of the one or more sidewalls defines an edge of the open side,

wherein the distal extension portion is located between a terminus of the sensor channel and the offset distal tip portion, wherein the distal extension portion extends from the first sidewall, and wherein the offset distal tip portion comprises an angled portion and a sharp tip portion,

wherein at least a portion of the glucose sensor is positioned within the sensor channel, wherein a distal region of the glucose sensor is positioned near the terminus of the sensor channel,

wherein the offset distal tip portion is configured to prevent the glucose sensor from contacting the skin surface during insertion of the offset distal tip portion, and

wherein the sharp further comprises a metal material and is formed through a coining process.

2 . The assembly of claim 1 , wherein the sharp further comprises a stainless steel material.

3 . The assembly of claim 1 , wherein the sharp includes the sharp tip portion and all other edges comprise smooth or rounded edges.

4 . The assembly of claim 1 , wherein the sharp comprises one or more rounded edges.

5 . The assembly of claim 1 , wherein the sharp shaft comprises one or more rounded edges.

6 . The assembly of claim 1 , wherein the sharp shaft and the sharp distal end comprise one or more rounded edges.

7 . The assembly of claim 1 , wherein the glucose sensor is an in vivo glucose sensor configured to measure a glucose level in a bodily fluid of the subject.

8 . The assembly of claim 1 , wherein the distal region of the glucose sensor is in a proximal position relative to the offset distal tip portion.

9 . The assembly of claim 1 , wherein the distal region of the glucose sensor and the sharp distal end are co-localized.

10 . The assembly of claim 1 , wherein a terminus of the sensor channel is a first predetermined distance from the sharp offset distal tip portion, wherein the first predetermined distance is between 1 mm and 8 mm.

11 . The assembly of claim 1 , wherein the sensor channel is a first predetermined distance from the offset distal tip portion, wherein the sensor channel is in a spaced relation with the offset distal tip portion.

12 . The assembly of claim 1 , wherein the offset distal tip portion is coupled with a distal end of the sharp shaft through the distal extension.

13 . The assembly of claim 1 , wherein the offset distal tip portion is formed from a portion of the sharp shaft.

14 . The assembly of claim 1 , wherein the one or more sidewalls further includes a second sidewall, wherein the first sidewall extends to the distal extension and the offset distal tip portion, and wherein a terminus of the first sidewall forms the distal extension and the offset distal tip portion.

15 . The assembly of claim 14 , wherein the second sidewall is disposed along the sharp shaft at a second predetermined distance from the offset distal tip portion.

16 . The assembly of claim 15 , wherein a terminus of the second sidewall is proximal to the terminus of the first sidewall.

17 . The assembly of claim 1 , wherein the sensor channel extends along an entire length of the sharp shaft.

18 . The assembly of claim 1 , wherein the distal region of the glucose sensor is proximal to the offset distal tip portion.

19 . The assembly of claim 1 , wherein the angled portion extends along an axis forming an obtuse angle with an axis of the distal extension portion.

20 . The assembly of claim 1 , wherein a second sidewall opposite to the first sidewall terminates at the terminus of the U-shaped sensor channel.

21 . A glucose monitoring assembly, the assembly comprising:

a sensor control device comprising sensor electronics and a glucose sensor; and

an applicator comprising a sharp module comprising a sharp and a hub,

wherein the sharp comprises a sharp shaft, a sharp proximal end coupled with a distal end of the hub, and a sharp distal end comprising a distal extension and an offset distal tip portion configured to penetrate a skin surface of a subject,

wherein the sharp shaft comprises one or more sidewalls defining a sensor channel with an open side, wherein an edge of a first sidewall of the one or more sidewalls defines an edge of the open side,

wherein the distal extension portion is located between a terminus of the sensor channel and the offset distal tip portion, wherein the distal extension portion extends from the first sidewall and has a length between about 1 mm and 8 mm, and wherein the offset distal tip portion comprises an angled portion and a sharp tip portion,

wherein at least a portion of the glucose sensor is positioned within the sensor channel, wherein a distal region of the glucose sensor is positioned near the terminus of the sensor channel, and

wherein the offset distal tip portion is configured to prevent the glucose sensor from contacting the skin surface during insertion of the offset distal tip portion,

wherein the sharp further comprises a metal material and is formed through a coining process,

wherein the applicator is configured to advance the sensor control device from a proximal position within the applicator to a distal position on the skin surface, and

wherein at least a portion of the glucose sensor is positioned under the skin surface when the sensor control device is in the distal position.

22 . The assembly of claim 21 , wherein the distal end of the glucose sensor is in a proximal position relative to the offset distal tip portion.

23 . The assembly of claim 21 , wherein the sensor channel is U-shaped, and wherein the one or more sidewalls further comprises, a second sidewall.

24 . The assembly of claim 23 , wherein the second sidewall comprises a proximal region height and a distal region height, wherein the proximal region height of the second sidewall is greater than the distal region height of the second sidewall.

25 . The assembly of claim 23 , wherein the first sidewall comprises a proximal region height and a distal region height, wherein the proximal region height of the first sidewall is greater than the distal region height of the first sidewall.

26 . The assembly of claim 21 , wherein the offset distal tip portion is coupled with a distal end of the sharp shaft through the distal extension.

27 . The assembly of claim 21 , wherein the first sidewall extends to the distal extension and the offset distal tip portion, and wherein a terminus of the first sidewall forms the distal extension and the offset distal tip portion.

28 . The assembly of claim 21 , wherein the angled portion extends along an axis forming an obtuse angle with an axis of the distal extension portion.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 7, 2019
From: RAO, VIVEK S.; DIPALMA, VINCENT M.; CARTER, PHILLIP W.; WU, HSUEH-CHIEH; MCCANLESS, JONATHAN D.; MITCHELL, STEVEN T.
To: ABBOTT DIABETES CARE INC.
Reel/Frame 049402/0976 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 7, 2019
From: HOSS, UDO; ROBINSON, PETER G.; DIPALMA, VINCENT M.; NAEGELI, ANDREW H.; PUDJIJANTO, STEPHEN T.; BUENCONSEJO, ALLAN C.; RAO, VIVEK S.; SIMMONS, MATTHEW; CARTER, PHILLIP W.; HWANG, MICHELLE
To: ABBOTT DIABETES CARE INC.
Reel/Frame 049403/0397 →
Continuity (2)
Provisional Application 62784074 · Dec 21, 2018
Related Publication 20200196919A1 · Jun 25, 2020
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