End effector coupling arrangements for a surgical cutting and stapling instrument

Patent metadata

Field	Value
Publication number	US-10835250-B2
Application number	US-201715793527-A
Country	US
Kind code	B2
Filing date	Oct 25, 2017
Priority date	Feb 15, 2008
Publication date	Nov 17, 2020
Grant date	Nov 17, 2020

Abstract

A surgical stapling assembly comprising a firing member, an end effector, a closure member, and a shaft including an attachment interface is disclosed. The surgical stapling assembly is configured to be attached to a surgical instrument interface by way of the attachment interface. The end effector comprises a first jaw, a second jaw, and a staple cartridge comprising staples configured to be ejected by the firing member. The second jaw is movable relative to the first jaw between an open position, a fully-clamped position, and a collapsed position. The end effector further comprises an interconnection between the first jaw and the second jaw defining a rotational axis about which the second iaw is movable relative to the first iaw. The rotational axis is shiftable toward and away from the first iaw as the second iaw is moved between the open position, the fully-clamped position, and the collapsed position.

First claim

What is claimed is:

1. A surgical stapling assembly, comprising:
a shaft comprising an attachment interface, wherein said surgical stapling assembly is configured to be attached to a surgical instrument interface by way of said attachment interface;
a firing member;
an end effector extending from said shaft, wherein said end effector comprises:
a staple cartridge comprising a plurality of staples configured to be ejected by said firing member;
a first jaw;
a second jaw movable relative to said first jaw between:
an open position;
a fully-clamped position; and
a collapsed position; and

an interconnection between said first jaw and said second jaw defining a rotational axis about which said second jaw is movable relative to said first jaw, wherein said rotational axis is shiftable toward and away from said first jaw as said second jaw is moved between said open position, said fully-clamped position, and said collapsed position; and

a closure member configured to move said second jaw from said open position to said collapsed position when said closure member moves from a proximal position to a distal position.

2. The surgical stapling assembly of claim 1 , wherein said proximal position comprises a first proximal position, wherein said closure member is movable from said distal position to a second proximal position to move said second jaw from said collapsed position to said open position, and wherein said first proximal position and said second proximal position are different.

3. A surgical stapling assembly, comprising:
a shaft comprising an attachment interface, wherein said surgical stapling assembly is configured to be attached to a surgical instrument interface by way of said attachment interface;
a firing member;
an end effector extending from said shaft, wherein said end effector comprises:
a staple cartridge comprising a plurality of staples configured to be ejected by said firing member;
a first jaw; and
a second jaw movable relative to said first jaw between:
an open position;
a fully-clamped position; and
a collapsed position; and

a closure member configured to move said second jaw from said open position to said collapsed position when said closure member moves from a proximal position to a distal position,
wherein said surgical stapling assembly is attached to the surgical instrument interface by way of a twisting motion.

4. A surgical stapling assembly, comprising:
a shaft comprising an attachment interface, wherein said surgical stapling assembly is configured to be attached to a surgical instrument interface by way of said attachment interface;
a firing actuator;
an end effector extending from said shaft, wherein said end effector comprises:
a staple cartridge comprising a plurality of staples configured to be ejected by said firing actuator;
a first jaw; and
a second jaw defining a rotational axis about which said second jaw is movable relative to said first jaw between:
an unclamped position defining a first distance between said first jaw and said second jaw;
a fully-clamped position defining a second distance between said first jaw and said second jaw; and
a closed position defining a third distance between said first jaw and said second jaw, wherein said first distance is greater than said second distance, wherein said second distance is greater than said third distance, and wherein said rotational axis is movable toward and away from said first jaw as said second jaw is moved between said unclamped position, said fully-clamped position, and said closed position; and

a closure actuator configured to move said second jaw from said unclamped position to said closed position when said closure actuator moves from a proximal position to a distal position.

5. The surgical stapling assembly of claim 4 , wherein said proximal position comprises a first proximal position, wherein said closure actuator is movable from said distal position to a second proximal position to move said second jaw from said closed position to said unclamped position, and wherein said first proximal position and said second proximal position are different.

6. A surgical stapling assembly, comprising:
a shaft comprising an attachment interface, wherein said surgical stapling assembly is configured to be attached to a surgical instrument interface by way of said attachment interface;
a firing actuator;
an end effector extending from said shaft, wherein said end effector comprises:
a staple cartridge comprising a plurality of staples configured to be ejected by said firing actuator;
a first jaw; and
a second jaw movable relative to said first jaw between:
an unclamped position defining a first distance between said first jaw and said second jaw;
a fully-clamped position defining a second distance between said first jaw and said second jaw; and
a closed position defining a third distance between said first jaw and said second jaw, wherein said first distance is greater than said second distance, wherein said second distance is greater than said third distance; and

a closure actuator configured to move said second jaw from said unclamped position to said closed position when said closure actuator moves from a proximal position to a distal position,
wherein said surgical stapling assembly is attached to the surgical instrument interface by way of a twisting motion.

7. A surgical stapling assembly, comprising:
a shaft;
a firing member comprising a first clamping member;
an end effector extending from said shaft, wherein said end effector comprises:
a staple cartridge comprising a plurality of staples configured to be ejected by said firing member;
a first jaw; and
a second jaw defining a rotational axis about which said second jaw is movable relative to said first jaw between:
an unclamped position defining a first distance between said first jaw and said second jaw;
a fully-clamped position defining a second distance between said first jaw and said second jaw; and
a closed position defining a third distance between said first jaw and said second jaw, wherein said first distance is greater than said second distance, wherein said second distance is greater than said third distance, and wherein said rotational axis is movable toward and away from said first jaw as said second jaw is moved between said unclamped position, said fully-clamped position, and said closed position; and

a closure member comprising a second clamping member, wherein said closure member is configured to move said second jaw from said unclamped position to said closed position when said closure member moves from a proximal position to a distal position.

8. The surgical stapling assembly of claim 7 , wherein said proximal position comprises a first proximal position, wherein said closure member is movable from said distal position to a second proximal position to move said second jaw from said closed position to said unclamped position, and wherein said first proximal position and said second proximal position are different.

9. A surgical stapling assembly, comprising:
a shaft;
a firing member comprising a first clamping member;
an end effector extending from said shaft, wherein said end effector comprises:
a staple cartridge comprising a plurality of staples configured to be ejected by said firing member;
a first jaw; and
a second jaw movable relative to said first jaw between:
an unclamped position defining a first distance between said first jaw and said second jaw;
a fully-clamped position defining a second distance between said first jaw and said second jaw; and
a closed position defining a third distance between said first jaw and said second jaw, wherein said first distance is greater t

Assignees

• Ethicon Llc

Inventors

• Weisenburgh Ii William B
• Morgan Jerome R
• Moore Kyle P
• Ransick Mark H
• Hall Steven G
• Tanguay Randall J
• Messerly Jeffrey D
• Robertson Galen C
• Zwolinski Andrew M
• Swayze Jeffrey S
• Huitema Thomas W
• Armstrong Glen A
• Parihar Shailendra K
• Korvick Donna L
• Timm Richard W
• Doll Kevin R
• Smith Bret W
• Kelly William D
• Kolata Ronald J
• Uth Joshua R
• Scheib Charles J
• Hueil Geoffrey C
• Ortiz Mark S
• Hoffman Douglas B
• Weizman Patrick A
• Bruewer Dean B
• Blair Gregory B
• Shelton Iv Frederick E

Classifications

• A61B17/07207 Primary

  the staples being applied sequentially · CPC title

• A61B2017/00473

  Distal part, e.g. tip or head (A61B2017/00464 takes precedence) · CPC title

• A61B17/3209

  Incision instruments · CPC title

• A61B2017/2931

  with releasable head · CPC title

• A61B17/3205

  Excision instruments · CPC title