Replaceable clip cartridge for a clip applier
First Claim
Patent Images
1. A clip applier for clipping tissue, comprising:
- a shaft, wherein said shaft defines a longitudinal axis, said shaft comprising;
a distal portion;
a distal opening defined in said distal portion; and
a magazine opening;
a magazine assembly removably positionable in said magazine opening, wherein said magazine assembly comprises;
a housing comprising an enclosing wall;
a storage chamber defined in said housing;
a firing platform;
a stack of clips removably positioned within said storage chamber, wherein each said clip comprises a drive end positioned adjacent to a drive end of another said clip, wherein each said clip comprises a biasing face, and wherein said stack of clips is stacked transverse to said longitudinal axis; and
a biasing member configured to bias said clips toward said firing platform, wherein said biasing member is positioned intermediate said enclosing wall and said biasing faces of said clips, and wherein said biasing member is entirely contained within said storage chamber of said housing; and
a firing drive configured to advance a said clip from said magazine assembly through said distal opening, wherein said firing drive is configured to sequentially engage said drive ends of said clips.
4 Assignments
0 Petitions
Accused Products
Abstract
A surgical device for clipping tissue can include a replaceable cartridge comprising a stack of clips contained therein and a firing drive configured to reciprocatingly eject, or deploy, the clips from the cartridge. The cartridge and/or the surgical device can include a firing chamber wherein the clips can be sequentially pushed into the firing chamber along a supply axis. The firing drive can include a firing member which is moved along a firing axis to deploy a clip positioned in the firing chamber wherein the supply axis can be transverse to the firing axis.
4358 Citations
21 Claims
-
1. A clip applier for clipping tissue, comprising:
-
a shaft, wherein said shaft defines a longitudinal axis, said shaft comprising; a distal portion; a distal opening defined in said distal portion; and a magazine opening; a magazine assembly removably positionable in said magazine opening, wherein said magazine assembly comprises; a housing comprising an enclosing wall; a storage chamber defined in said housing; a firing platform; a stack of clips removably positioned within said storage chamber, wherein each said clip comprises a drive end positioned adjacent to a drive end of another said clip, wherein each said clip comprises a biasing face, and wherein said stack of clips is stacked transverse to said longitudinal axis; and a biasing member configured to bias said clips toward said firing platform, wherein said biasing member is positioned intermediate said enclosing wall and said biasing faces of said clips, and wherein said biasing member is entirely contained within said storage chamber of said housing; and a firing drive configured to advance a said clip from said magazine assembly through said distal opening, wherein said firing drive is configured to sequentially engage said drive ends of said clips. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A clip applier surgical instrument, comprising:
-
a shaft, wherein said shaft defines a longitudinal axis, said shaft comprising; a distal portion; and a cartridge receptacle; a cartridge assembly removably positionable in said cartridge receptacle, wherein said cartridge assembly comprises; a housing comprising an enclosing wall; a storage chamber defined in said housing; a discharge opening; a stack of clips removably positioned within said storage chamber, wherein said stack of clips comprises a plurality of clips stacked on top of one another along a stack axis which is transverse to said longitudinal axis; and a biasing member configured to align a said clip with said discharge opening, wherein said biasing member is positioned intermediate said enclosing wall and said stack of clips, and wherein said biasing member is entirely contained within said storage chamber of said housing; and a firing drive configured to advance a said clip from said cartridge assembly through said discharge opening. - View Dependent Claims (15, 16, 17, 18, 19)
-
-
20. A surgical device for applying clips, comprising:
-
a shaft, wherein said shaft defines a longitudinal axis, said shaft comprising; a distal portion; a loading port defined in said distal portion; and a discharge opening; a clip cartridge removably positionable in said loading port, wherein said clip cartridge comprises; a housing; a stack of clips, wherein said stack of clips are stacked in a direction which is transverse to said longitudinal axis; a biasing member configured to align a said clip with said discharge opening, wherein said biasing member is entirely contained within said housing; and a firing drive configured to advance a said clip from said clip cartridge through said discharge opening.
-
-
21. A clip applier for clipping tissue, comprising:
-
a shaft, wherein said shaft defines a longitudinal axis, said shaft comprising; a distal portion; a receiving cavity defined in said distal portion; and a cartridge aperture; a cartridge assembly removably positionable in said cartridge aperture, wherein said cartridge assembly comprises; a housing comprising an enclosing wall; a storage chamber defined in said housing; a plate positioned parallel to said enclosing wall; a firing platform; a stack of clips removably positioned within said storage chamber, wherein said stack of clips is stacked along a stack axis which is transverse to said longitudinal axis; and a biasing member positioned intermediate said enclosing wall and said plate, wherein said biasing member applies a biasing force to said enclosing wall and said plate to bias said stack of clips against said firing platform, and wherein said biasing member is entirely contained within said storage chamber of said housing; and a firing drive configured to advance a said clip from said cartridge assembly to said receiving cavity.
-
Specification