IP Library › Granted Patent US 12,185,938
Granted Patent B2
US 12,185,938 · App. 17/230,405 · Granted Jan 7, 2025

Apparatus and method for suturing body lumens

Inventors: Aaron M. Fortson (Fremont, CA); Douglas H. Mehl (Redwood City, CA); Dinorah Vianey Merrill (Modesto, CA); David J. Milazzo (Santa Clara, CA)
Assignee: Abbott Cardiovascular Systems, Inc.
A61B17/0469A61B17/0057A61B2017/00663A61B2017/0406A61B2017/047A61B2017/0472A61B2017/0475
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Quick Facts
Patent No.
US 12,185,938
App. No.
17/230,405
Granted
Jan 7, 2025
Kind
B2
Abstract

A medical apparatus that includes a distal member, a needle disposed in the distal member and proximally advanceable from the distal member, and a needle capture portion positioned proximal to the distal member and which includes a through-hole to direct the needle from the needle capture portion towards a graspable member at a trajectory narrower than a trajectory of the needle from the distal member to the needle capture portion.

Claims (34)

1. A medical apparatus comprising:

a distal member;

a plurality of needles disposed in the distal member and proximally advanceable from the distal member;

a first guide proximal the distal member, the first guide configured to direct the plurality of needles in a first trajectory; and

a second guide proximal the first guide, the second guide configured to route the plurality of needles in a second trajectory towards a proximal end of the medical apparatus, the second trajectory being different from the first trajectory, wherein the second trajectory orients the plurality of needles with tips of the plurality of needles outside an outer surface of a portion of the second guide.

2. The medical apparatus of claim 1 , wherein a tubular member having terminal end disposed between the first guide and the second guide has a first diameter, the second guide being configured to direct tips of the plurality of needles outwardly beyond the first diameter.

3. The medical apparatus of claim 1 , wherein the first guide is proximal needle receiving portions of the second guide.

4. The medical apparatus of claim 1 , further comprising a member disposed between the distal member and the second guide, the member having a length specific to a target opening depth.

5. The medical apparatus of claim 1 , further comprising a suture portion associated with each of the plurality of needles.

6. The medical apparatus of claim 1 , wherein a distal portion has a smaller diameter than a proximal portion associated with the second guide, a handle portion extending from the proximal portion, the handle portion comprising a tapered portion.

7. The medical apparatus of claim 1 , wherein each of the plurality of needles comprises a sharpened tip section and an elongate shank portion.

8. The medical apparatus of claim 7 , wherein the sharpened tip section and the elongate shank portion are an integral piece.

9. A medical apparatus comprising:

a distal member comprising a tapered distal end;

a plurality of needles disposed in the distal member and proximally advanceable from the distal member, each of the plurality of needles comprises a sharpened tip section and an elongate shank portion, the plurality of needles cooperating with a needle actuator to move the plurality of needles toward a handle;

a first guide proximal the distal member, the first guide configured to direct the plurality of needles in a first trajectory; and

a second guide proximal the first guide, the second guide configured to receive the plurality of needles and route the plurality of needles in a second trajectory towards a proximal end of the medical apparatus, the second trajectory being different from the first trajectory, wherein the second trajectory orients the plurality of needles with tips of the plurality of needles outside an outer surface of a portion of the second guide.

10. The medical apparatus of claim 9 , wherein the sharpened tip section and the elongate shank portion are an integral piece.

11. The medical apparatus of claim 9 , wherein the first guide comprises a plurality of needle channels, each needle channel guiding a respective one of the plurality of needles along the first trajectory.

12. The medical apparatus of claim 11 , wherein the plurality of needle channels are formed on an outer surface of the first guide.

13. The medical apparatus of claim 9 , wherein a distal portion has a smaller diameter than a proximal portion associated with the second guide, the handle portion comprising a tapered portion.

14. A method for suturing an accessed opening, the method comprising:

positioning a medical apparatus adjacent the opening, the medical apparatus comprising:

a distal member;

a plurality of needles disposed in the distal member and proximally advanceable from the distal member;

a first guide proximal the distal member, the first guide configured to direct the plurality of needles in a first trajectory; and

a second guide proximal the first guide, the second guide configured to route the plurality of needles in a second trajectory towards a proximal end of the medical apparatus, the second trajectory being different from the first trajectory, wherein the second trajectory orients the plurality of needles with tips of the plurality of needles outside an outer surface of a portion of the second guide;

advancing the distal member through the opening to dispose the distal member on an opposite side of the opening from the second guide; and

manipulating a graspable member to withdraw the plurality of needles through tissue surrounding the opening and toward the proximal end of the medical apparatus, the plurality of needs being guided in the first trajectory by the first guide and in the second trajectory by the second guide.

15. The method of claim 14 , wherein each of the plurality of needles comprises a sharpened tip section and an elongate shank portion.

16. The method of claim 15 , wherein the sharpened tip section and the elongate shank portion are an integral piece.

17. The medical apparatus of claim 15 , wherein the first guide comprises a plurality of needle channels, each needle channel guiding a respective one of the plurality of needles along the first trajectory.

18. The method of claim 14 , wherein one or more pledgets are stored at a proximal end of the distal member and are placed between an end of the plurality of needles and tissue adjacent the opening.

19. The method of claim 18 , wherein withdrawing the plurality of needles comprises withdrawing the plurality of needles through holes in the pledgets, such that the one or more pledgets with the one or more pledgets remaining in contact with the tissue adjacent the opening to protect the tissue.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 14, 2021
From: FORTSON, AARON M.; MEHL, DOUGLAS H.; MERRILL, DINORAH VIANEY; MILAZZO, DAVID J.
To: ABBOTT CARDIOVASCULAR SYSTEMS, INC.
Reel/Frame 055918/0429 →
Continuity (4)
Continuation 14511730 · Oct 10, 2014
Continuation 13455053 · Apr 24, 2012
Continuation In Part 13443659 · Apr 10, 2012
Related Publication 20210228204A1 · Jul 29, 2021
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