FASTENER CARTRIDGES INCLUDING EXTENSIONS HAVING DIFFERENT CONFIGURATIONS
First Claim
Patent Images
1. A fastening instrument for fastening tissue, comprising:
- a cartridge body, comprising;
a deck; and
fastener cavities, wherein each said fastener cavity comprises an opening in said deck;
fasteners removably stored in said fastener cavities;
a plurality of first extensions extending from said deck, wherein each said first extension is positioned at least partially around a said opening in said deck, and wherein each said first extension comprises a first shape;
a plurality of second extensions extending from said deck, wherein each said second extension is positioned at least partially around a said opening in said deck, and wherein each said second extension comprises a second shape that is different than said first shape; and
an anvil configured to deform said staples, wherein said anvil is releasably attachable to and releasably detachable from said stapling instrument.
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Abstract
A fastener cartridge can include, one, a cartridge body comprising a deck and a plurality of fastener cavities and, two, a plurality of fasteners positioned in the fastener cavities. The cartridge body can further comprise extensions extending from the deck having different sizes and/or configurations. The extensions can control the flow of tissue relative to the deck and/or support the fasteners as they are ejected from the fastener cavities.
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Citations
16 Claims
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1. A fastening instrument for fastening tissue, comprising:
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a cartridge body, comprising; a deck; and fastener cavities, wherein each said fastener cavity comprises an opening in said deck; fasteners removably stored in said fastener cavities; a plurality of first extensions extending from said deck, wherein each said first extension is positioned at least partially around a said opening in said deck, and wherein each said first extension comprises a first shape; a plurality of second extensions extending from said deck, wherein each said second extension is positioned at least partially around a said opening in said deck, and wherein each said second extension comprises a second shape that is different than said first shape; and an anvil configured to deform said staples, wherein said anvil is releasably attachable to and releasably detachable from said stapling instrument. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A stapling instrument for stapling tissue, comprising:
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a cartridge body, comprising; a deck; and staple cavities, wherein each said staple cavity comprises an opening in said deck; staples removably stored in said staple cavities; first extensions extending from said deck, wherein said first extensions are at least partially positioned around said openings in said deck; second extensions extending from said deck, wherein said second extensions are at least partially positioned around said openings in said deck, and wherein said first extensions and said second extensions create distinct tissue compression zones; and an anvil configured to deform said staples, wherein said anvil is releasably attachable to and releasably detachable from said stapling instrument. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A stapling instrument for stapling tissue, comprising:
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a cartridge body, comprising; a deck; and staple cavities, wherein each said staple cavity comprises an opening in said deck; staples removably stored in said staple cavities; first projections extending from said deck, wherein said first projections are defined by a first height; second projections extending from said deck, wherein said second projections are defined by a second height, and wherein said first projections and said second projections create distinct tissue compression zones; and an anvil configured to deform said staples, wherein said anvil is selectively attachable to said stapling instrument to clamp the tissue against said deck. - View Dependent Claims (14, 15, 16)
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Specification