Systems, devices, and related methods for fastening tissue

Patent metadata

Field	Value
Publication number	US-12458347-B2
Application number	US-202318456593-A
Country	US
Kind code	B2
Filing date	Aug 28, 2023
Priority date	Jul 10, 2019
Publication date	Nov 4, 2025
Grant date	Nov 4, 2025

Abstract

An endoscopic tissue fastening device may include a body having a first portion and a second portion arranged alongside the first portion. The second portion may extend distally of the first portion and may terminate in a distal end face of the body. The device may further include a tissue fastening assembly having a fastening head with a proximal end and a distal end. The fastening head may be deflectable at a location between the proximal end and the distal end of the fastening head. The tissue fastening assembly may be received within a lumen of the body. Further, the body may be moveable between an unarticulated configuration and an articulated configuration. In the articulated configuration, a central longitudinal axis of the second portion of the body may be substantially parallel with a central longitudinal axis of the tissue fastening assembly.

First claim

We claim:

1 . An endoscopic tissue fastening device, comprising:
a fastening head including:
a first arm, wherein the first arm includes a staple cartridge, wherein the first arm includes a joint between a proximal end and a distal end of the first arm, and wherein the joint is at a portion of the first arm having openings for ejecting staples; and
a second arm, wherein the second arm is rotatably coupled to the first arm; and
a stabilizer including a first portion and a second portion, wherein movement of the second portion of the stabilizer relative to the first portion of the stabilizer transitions the first arm from a first configuration to a second configuration, wherein, in the first configuration, the first portion of the stabilizer is spaced a distance apart from the second portion of the stabilizer, such that a first portion of the first arm is movable relative to a second portion of the first arm at the joint, wherein, in the second configuration, the first portion of the stabilizer is in contact with the second portion of the stabilizer such that the stabilizer spans the joint, and the first portion of the first arm is prevented from moving relative to the second portion of the first arm.

2 . The endoscopic tissue fastening device of claim 1 , wherein the stabilizer or the first arm includes a post, wherein the first arm includes a recess, and wherein the post is received within the recess in the first configuration.

3 . The endoscopic tissue fastening device of claim 2 , wherein, in the second configuration, application of a sufficient longitudinal force on the first arm disengages the post from the recess.

4 . The endoscopic tissue fastening device of claim 2 , wherein the first arm includes the post, and wherein the first portion of the stabilizer includes the recess.

5 . The endoscopic tissue fastening device of claim 1 , wherein, in the second configuration, distal movement of the second portion of the stabilizer causes distal movement of the first portion of the stabilizer.

6 . The endoscopic tissue fastening device of claim 1 , wherein each of the openings includes a liner comprising a material of greater rigidity than a flexible material of other portions of the staple cartridge.

7 . The endoscopic tissue fastening device of claim 1 , wherein the staple cartridge includes a longitudinal slot aligned longitudinally with a longitudinal groove of the second arm.

8 . An endoscopic tissue fastening device, comprising:
a shaft that terminates in a distal end face of the shaft; a fastening head including:
a first arm, wherein the first arm includes a staple cartridge, wherein the first arm includes a joint between a proximal end and a distal end of the first arm, and wherein the joint is aligned with a portion of the staple cartridge; and
a second arm, wherein the second arm rotatably coupled to the first arm; and
a stabilizer including a first wall portion and a second wall portion, wherein the first wall portion and the second wall portion are separated by a notch, wherein the stabilizer is configured to transition from a first configuration, in which the notch is longitudinally aligned with the joint, such that a first portion of the first arm is movable relative to a second portion of the first arm at the joint, to a second configuration, in which the first wall portion of the stabilizer spans the joint, such that the first portion of the first arm is prevented from moving relative to the second portion of the first wall portion.

9 . The endoscopic tissue fastening device of claim 8 , wherein the stabilizer is coupled to an actuation line, and wherein advancement of the actuation line causes the stabilizer to move from the first configuration to the second configuration.

10 . The endoscopic tissue fastening device of claim 9 , wherein the actuation line includes an engagement feature that is configured to transitioned from a first configuration, in which the actuation line is configured to move the fastening head, to a second configuration, in which the actuation line is movable relative to the fastening head.

11 . The endoscopic tissue fastening device of claim 8 , wherein, in the first configuration, a protrusion extending from the stabilizer is received within a channel of the first arm.

12 . The endoscopic tissue fastening device of claim 8 , wherein the staple cartridge comprises a flexible material, wherein the staple cartridge includes openings for ejecting staples.

13 . The endoscopic tissue fastening device of claim 12 , wherein each of the openings includes a liner comprising a material of greater rigidity than the flexible material of other portions of the staple cartridge.

14 . The endoscopic tissue fastening device of claim 8 , wherein the staple cartridge includes a longitudinal slot aligned longitudinally with a longitudinal groove of the second arm.

15 . The endoscopic tissue fastening device of claim 8 , wherein, in the second configuration, an entirety of the fastening head is distal to the distal end face of the shaft.

16 . An endoscopic tissue fastening device, comprising:
a fastening head including:
a first arm, wherein the first arm includes a staple cartridge,
wherein the first arm includes a joint between a proximal end and a distal end of the first arm, and wherein the joint is aligned with a portion of the staple cartridge; and
a second arm, wherein the second arm rotatably coupled to the first arm; and
a stabilizer including a first wall portion and a second wall portion; wherein at least a portion of the stabilizer is longitudinally movable from a first configuration, in which a gap between the first wall portion and the second wall portion is longitudinally aligned with the joint, such that the distal end of the first arm is movable relative to the proximal end of the first arm, to a second configuration, in which the first wall portion is longitudinally aligned with the joint, such that the distal end of the first arm is immovable relative to the proximal end of the first arm.

17 . The endoscopic tissue fastening device of claim 16 , wherein the stabilizer is coupled to an actuation line, and wherein the actuation line includes an engagement feature that is configured to be transitioned from a first configuration, in which the actuation line is configured to move the fastening head, to a second configuration, in which the actuation line is movable relative to the fastening head.

18 . The endoscopic tissue fastening device of claim 16 , wherein, in the first configuration, the first wall portion of the stabilizer is longitudinally movable relative to the second wall portion in of the stabilizer.

19 . The endoscopic tissue fastening device of claim 16 , wherein the staple cartridge comprises a flexible material, wherein the staple cartridge includes a plurality of openings for ejecting staples, wherein each of the plurality of openings includes a liner comprising a material of greater rigidity than the flexible material of other portions of the staple cartridge.

20 . The endoscopic tissue fastening device of claim 16 , wherein the staple cartridge includes a longitudinal slot aligned longitudinally with a longitudinal groove of the second arm.

Assignees

• Boston Scient Scimed Inc

Inventors

• Smith Paul
• Jordan Gary
• Cummings Nathan
• Wales Ryan
• Melanson Douglas

Classifications

• A61B2017/00309

  Cut-outs or slits · CPC title

• A61B1/012 Primary

  characterised by internal passages or accessories therefor · CPC title

• A61B2017/2927

  the angular position of the head being adjustable with respect to the shaft · CPC title

• A61B2017/2905

  flexible · CPC title

• A61B2017/0034

  adapted to be inserted through a working channel of an endoscope · CPC title