LAYER ARRANGEMENTS FOR SURGICAL STAPLE CARTRIDGES
5 Assignments
0 Petitions
Accused Products
Abstract
A piece of buttress material and an end-effector of a surgical instrument including features which can aid a surgeon in properly and quickly attaching the piece of buttress material to the end-effector. In various embodiments, a piece of buttress material can include retention features which can be engaged with portions of an end-effector to releasably retain the piece of buttress material to at least a portion of the end-effector. Similarly, an end-effector can include features configured to engage portions of a piece of buttress material to releasably retain the piece of buttress material to the end-effector. In at least one embodiment, more than one piece of buttress material can be releasably retained to an end-effector.
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Citations
40 Claims
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1-16. -16. (canceled)
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17. A staple cartridge for stapling tissue, comprising:
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a deck configured to support the tissue, comprising; a proximal end; a distal end; a longitudinal slot; a first longitudinal step; and a second longitudinal step, wherein said first step is adjacent to said second step, and wherein said first step is positioned vertically above said second step; a first longitudinal row of staple cavities defined in said first longitudinal step; a second longitudinal row of staple cavities defined in said second longitudinal step; staples removably stored in said staple cavities; buttress material positioned over said first step and said second step; a proximal anchor releasably holding said buttress material to said deck; and a distal anchor releasably holding said buttress material to said deck. - View Dependent Claims (18, 19, 20, 21, 22)
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23. An end effector for stapling tissue, comprising:
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a deck configured to support the tissue, comprising; a proximal end; a distal end; a longitudinal slot; a first longitudinal plateau; and a second longitudinal plateau, wherein said first plateau extends alongside said second plateau, and wherein said first plateau is positioned above said second plateau; a first longitudinal row of staple cavities defined in said first longitudinal plateau; a second longitudinal row of staple cavities defined in said second longitudinal plateau; staples removably stored in said staple cavities; a layer positioned over said first plateau and said second plateau, wherein said layer comprises a proximal end and a distal end; a proximal mount which releasably holds said proximal end of said layer to said deck; and a distal mount which releasably holds said distal end of said layer to said deck. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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31. An end effector for stapling tissue, comprising:
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a deck configured to support the tissue, comprising; a proximal end; a distal end; a longitudinal slot; a first longitudinal step; and a second longitudinal step, wherein said first step is above said second step; fastener cavities; fasteners removably stored in said fastener cavities; a layer positioned over said first step and said second step, wherein said layer comprises a proximal end and a distal end; a proximal anchor configured to releasably hold said proximal end of said layer to said deck; and a distal anchor configured to releasably hold said distal end of said layer to said deck. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
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39. A staple cartridge assembly for stapling tissue, comprising:
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a cartridge body configured to support the tissue, said cartridge body comprising; a proximal end; a distal end; a longitudinal slot; a first longitudinal surface in a first plane; and a second longitudinal surface in a second plane, wherein said first surface is adjacent to said second surface, and wherein said first surface is vertically offset from said second surface forming a stepped cartridge deck; a first longitudinal row of staple cavities defined in said first surface; a second longitudinal row of staple cavities defined in said second surface; staples removably stored in said staple cavities of said first row and said staple cavities of said second row; buttress material positioned over said first surface and said second surface; a proximal connector releasably holding said buttress material to said proximal end; and a distal connector releasably holding said buttress material to said distal end. - View Dependent Claims (40)
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Specification