IP Library › Granted Patent US 12,213,663
Granted Patent B2
US 12,213,663 · App. 18/156,650 · Granted Feb 4, 2025

Suture needle devices and suture attachment methods

Inventors: Kevin Bagley (Natick, MA); Shaun Comee (Fiskdale, MA); Christopher Deuel (Melrose, MA); Stanley Gilbert (Litchfield, NH)
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
A61B17/0469A61B17/0482A61B17/06066A61B2017/00477A61B2017/0474A61B2017/06038A61B2017/06047A61B2017/0609A61B2017/061
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Quick Facts
Patent No.
US 12,213,663
App. No.
18/156,650
Granted
Feb 4, 2025
Kind
B2
Abstract

According to one aspect, a medical device including a needle configured for use in suturing tissue is described. The needle may include a cylindrical body having a longitudinal axis extending between first and second ends of the cylindrical body. The needle may also include a lumen extending through the cylindrical body transverse to the longitudinal axis. The needle may further include a first end portion at the first end of the cylindrical body. The first end portion may include a sharp point configured to pierce tissue. An outer surface of the cylindrical body may define a first recess in communication with an opening of the lumen and configured to receive an end of a suture.

Claims (42)

1. A medical device, comprising:

a hollow cylindrical body having a longitudinal axis extending between first and second ends of the hollow cylindrical body, the hollow cylindrical body including an opening extending parallel to the longitudinal axis;

a first end portion disposed at the first end of the hollow cylindrical body, wherein the first end portion includes a first extension extending from an inner-facing surface of the first end portion; and

a second end portion disposed at the second end of the hollow cylindrical body, wherein the second end portion includes a second extension extending from an inner-facing surface of the second end portion;

wherein:

the first extension and the second extension are configured to be inserted into a lumen extending through the hollow cylindrical body;

the first extension includes a first extension portion and a second extension portion each extending longitudinally from the inner-facing surface of the first end portion, with the first extension portion spaced from the second extension portion to define: (1) a first gap between first edges of the first extension portion and the second extension portion, (2) a second gap opposite to the first gap and between second edges of the first extension portion and the second extension portion, and (3) an extension lumen between inner surfaces of the first extension portion and the second extension portion, for receipt of a suture;

the device is configured such that in an at-rest position of the first end portion without the suture in the extension lumen, a free end of the first edge of the first extension portion does not contact a free end of the first edge of the second extension portion;

the first extension portion and the second extension portion are movable into the lumen extending through the hollow cylindrical body and

the medical device has a first configuration with the first end portion outside the hollow cylindrical body and having a first outer diameter larger than an inner diameter of the opening of the hollow cylindrical body, and a second configuration with the first end portion within the lumen extending through the hollow cylindrical body and having a second outer diameter fitting within the inner diameter of the opening of the hollow cylindrical body with the first extension clamping the suture to hold the suture within the first extension.

2. The medical device of claim 1 , wherein the first edge of the first extension portion and the first edge of the second extension portion extend linearly.

3. The medical device of claim 2 , wherein the first extension portion and the second extension portion each includes a partial cylindrical profile, thereby forming the extension lumen between the first extension portion and the second extension portion.

4. The medical device of claim 3 , wherein the extension lumen between the first extension portion and the second extension portion is configured to receive the suture therein, and wherein the first extension portion and the second extension portion are each configured to exert a force on the suture to fix a position of the suture within the extension lumen between the first extension portion and the second extension portion.

5. The medical device of claim 2 , wherein the first extension portion and the second extension portion are each configured to be bent radially outward with respect to a central longitudinal axis of the first extension.

6. The medical device of claim 2 , wherein an inner surface of the lumen extending through the hollow cylindrical body is configured to restrict radially outward movement of the first extension portion and the second extension portion.

7. The medical device of claim 1 , wherein a cross-sectional diameter of the first extension is approximately equal to an inner diameter of the hollow cylindrical body.

8. The medical device of claim 1 , wherein a cross-sectional diameter of the first extension is larger than an inner diameter of the hollow cylindrical body.

9. The medical device of claim 1 , wherein a cross-sectional diameter of the first extension decreases from a first end of the first extension to a second end of the first extension.

10. The medical device of claim 1 , wherein the first extension is configured to form a collet with the hollow cylindrical body, and wherein the collet is configured to receive the suture.

11. A medical device, comprising:

a hollow cylindrical body having a longitudinal axis extending between first and second ends of the hollow cylindrical body, the hollow cylindrical body including an opening extending parallel to the longitudinal axis; and

a first end portion disposed at the first end of the hollow cylindrical body, the first end portion comprising:

a first sharp tip configured to pierce tissue and a first inner-facing surface disposed opposite the first sharp tip; and

a first extension extending from the first inner-facing surface of the first end portion;

wherein the first extension includes a first extension portion extending longitudinally from the first inner-facing surface toward a first end of the first extension and a second extension portion extending longitudinally from the first inner-facing surface toward the first end of the first extension, wherein, the device is configured such that in an at-rest position of the first end portion without a suture within the first end portion, a free end of the first extension portion does not contact a free end of the second extension portion; and

wherein the medical device has a first configuration with the first end portion outside the hollow cylindrical body and having a first outer diameter larger than an inner diameter of the opening of the hollow cylindrical body, and a second configuration with the first end portion within a lumen extending through the hollow cylindrical body and having a second outer diameter fitting within the inner diameter of the opening of the hollow cylindrical body and clamping the suture between the first extension portion and the second extension portion.

12. The medical device of claim 11 , wherein the first extension portion and the second extension portion are spaced apart from each other thereby forming a first gap between the first extension portion and the second extension portion and a second gap between the first extension portion and the second extension portion, and wherein the first gap is disposed opposite the second gap.

13. The medical device of claim 11 , further comprising a second end portion disposed at a second end of the hollow cylindrical body, the second end portion comprising a second sharp tip configured to pierce the tissue and a second inner-facing surface disposed opposite the second sharp tip.

14. The medical device of claim 13 , wherein the second end portion further comprises a second extension extending from the second inner-facing surface of the second end portion, and wherein the second extension is configured to be inserted into the lumen extending through the hollow cylindrical body.

15. The medical device of claim 13 , wherein the first sharp tip and the second sharp tip point in opposite directions.

16. The medical device of claim 11 , wherein a cross-sectional diameter of the first extension is approximately equal to an inner diameter of the hollow cylindrical body.

17. The medical device of claim 11 , wherein a cross-sectional diameter of the first extension is larger than an inner diameter of the hollow cylindrical body.

18. The medical device of claim 11 , wherein a cross-sectional diameter of the first extension decreases from the first end of the first extension to a second end of the first extension.

19. The medical device of claim 11 , wherein the first extension is configured to form a collet with the hollow cylindrical body, and wherein the collet is configured to receive the suture.

20. A medical device, comprising:

a hollow cylindrical body having a longitudinal axis extending between first and second ends of the hollow cylindrical body, the hollow cylindrical body including an opening extending parallel to the longitudinal axis, between the first and second ends, and through a side of the hollow cylindrical body, wherein a body lumen extends within the hollow cylindrical body along the longitudinal axis; and

a first end portion disposed at the first end of the hollow cylindrical body;

wherein:

the first end portion includes a first extension extending from an inner-facing surface of the first end portion and insertable into the body lumen extending through the hollow cylindrical body;

the first extension includes first and second extension portions extending longitudinally from the inner-facing surface of the first end portion toward a first end of the first extension with the first extension portion spaced from the second extension portion to define: (1) a first gap between first edges of the first extension portion and the second extension portion, (2) a second gap opposite to the first gap and between second edges of the first extension portion and the second extension portion, and (3) an extension lumen between inner surfaces of the first extension portion and the second extension portion, for receipt of a suture;

the device is configured such that in an at-rest position of the first end portion without the suture in the extension lumen, a free end of the first edge of the first extension portion does not contact a free end of the first edge of the second extension portion; and

the medical device has a first configuration with the first end portion outside the hollow cylindrical body and having a first outer diameter larger than an inner diameter of the opening of the hollow cylindrical body, and a second configuration with the first end portion within the body lumen of the hollow cylindrical body and having a second outer diameter fitting within the inner diameter of the opening of the hollow cylindrical body and clamping the suture between the first extension portion and the second extension portion to hold the suture with respect to the first end portion and the hollow cylindrical body.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 3, 2023
From: BAGLEY, KEVIN; COMEE, SHAUN; DEUEL, CHRISTOPHER; GILBERT, STANLEY
To: BOSTON SCIENTIFIC SCIMED, INC.
Reel/Frame 062579/0404 →
Continuity (4)
Continuation 16561232 · Sep 5, 2019
Provisional Application 62848885 · May 16, 2019
Provisional Application 62727783 · Sep 6, 2018
Related Publication 20230149013A1 · May 18, 2023
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