Surgical stapling apparatus comprising a tissue stop
First Claim
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1. A surgical stapling apparatus, comprising:
- a cartridge body, comprising;
a proximal end;
a distal end;
a deck comprising a tissue-supporting surface;
a slot defined in said deck, wherein said slot extends from said proximal end toward said distal end; and
a plurality of staple cavities;
a plurality of staples removably stored in said staple cavities which are arranged in a staple pattern; and
a tissue stop positioned in said slot, wherein said tissue stop extends above said deck, wherein said tissue stop is configured to be displaced into said cartridge body from an undisplaced position to a displaced position, wherein said tissue stop is positioned within said staple pattern, wherein said tissue stop is configured to inhibit the distal flow of tissue relative to said deck when said tissue stop is positioned in said undisplaced position, wherein said tissue stop comprises a detent releasably engaged with said cartridge body, and wherein said detent is configured to release from said cartridge body to permit said tissue stop to move from said undisplaced position to said displaced position.
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Abstract
A surgical stapling apparatus is disclosed. The surgical stapling apparatus comprises a cartridge body. The cartridge body comprises a deck comprising a tissue-supporting surface, a slot defined in the deck, and a plurality of staple cavities. The slot extends from a proximal end toward a distal end. The surgical stapling apparatus further comprises a plurality of staples removably stored in the staple cavities and a tissue stop positioned in the slot. The tissue stop comprises a detent releasably engaged with the cartridge body. The detent is configured to release from the cartridge body to permit the tissue stop to move from an undisplaced position to a displaced position.
4642 Citations
21 Claims
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1. A surgical stapling apparatus, comprising:
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a cartridge body, comprising; a proximal end; a distal end; a deck comprising a tissue-supporting surface; a slot defined in said deck, wherein said slot extends from said proximal end toward said distal end; and a plurality of staple cavities; a plurality of staples removably stored in said staple cavities which are arranged in a staple pattern; and a tissue stop positioned in said slot, wherein said tissue stop extends above said deck, wherein said tissue stop is configured to be displaced into said cartridge body from an undisplaced position to a displaced position, wherein said tissue stop is positioned within said staple pattern, wherein said tissue stop is configured to inhibit the distal flow of tissue relative to said deck when said tissue stop is positioned in said undisplaced position, wherein said tissue stop comprises a detent releasably engaged with said cartridge body, and wherein said detent is configured to release from said cartridge body to permit said tissue stop to move from said undisplaced position to said displaced position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A surgical stapling apparatus, comprising:
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a cartridge body, comprising; a deck comprising a tissue-supporting surface; a slot defined in said deck, wherein said slot extends from a proximal end toward a distal end; and a plurality of staple cavities; a plurality of staples removably stored in said staple cavities; and a tissue stop positioned in said slot, wherein said tissue stop comprises a detent releasably engaged with said cartridge body, and wherein said detent is configured to release from said cartridge body to permit said tissue stop to move from an undisplaced position to a displaced position.
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20. A surgical stapling apparatus, comprising:
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a cartridge body, comprising; a deck comprising a tissue-supporting surface; a slot defined in said deck, wherein said slot extends from a proximal end toward a distal end; and a plurality of staple cavities; a plurality of staples removably stored in said staple cavities; and a tissue stop positioned in said slot, wherein said tissue stop comprises a catch releasably engaged with said cartridge body, and wherein said catch is configured to release from said cartridge body to permit said tissue stop to recede from an undisplaced position.
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21. A surgical stapling apparatus, comprising:
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a cartridge body, comprising; a deck comprising a tissue-supporting surface; a slot defined in said deck, wherein said slot extends from a proximal end toward a distal end; and a plurality of staple cavities; a plurality of staples removably stored in said staple cavities; a firing member movable from said proximal end toward said distal end during a firing stroke to eject said staples from said staple cavities; and a tissue stop positioned in said slot, wherein said tissue stop comprises a detent releasably engaged with said cartridge body, and wherein said tissue stop suddenly descends to a displaced position as said firing member approaches said tissue stop.
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Specification