STAPLE CARTRIDGE WITH DEFORMABLE DRIVER RETENTION FEATURES
First Claim
Patent Images
1. A staple cartridge assembly for use with a surgical stapling instrument including an anvil, wherein the staple cartridge comprises:
- a cartridge body, comprising;
a proximal portion;
a distal portion;
an elongate slot extending between the proximal portion and the distal portion;
a bottom surface;
a cartridge deck on an opposite side of the cartridge body from the bottom surface, the cartridge deck comprising;
a first deck surface; and
a second deck surface laterally offset from the first deck surface in a direction away from the elongate slot, wherein the first deck surface is stepped up from the second deck surface relative to the bottom surface; and
staple pockets on opposite sides of the elongate slot, wherein the staple pockets comprise deformable retention features;
staples deployable from the staple pockets into tissue captured between the cartridge deck and the anvil; and
staple drivers movable from a starting position to deploy the staples into the tissue, wherein the deformable retention features are configured to maintain the staple drivers at the starting positions.
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Accused Products
Abstract
A staple cartridge assembly includes staple pockets, staples deployable from the staple pockets into tissue, and staple drivers movable from a starting position to deploy the staples into the tissue. The staple drivers comprise deformable retention features configured to maintain the staple drivers at the starting positions.
526 Citations
20 Claims
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1. A staple cartridge assembly for use with a surgical stapling instrument including an anvil, wherein the staple cartridge comprises:
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a cartridge body, comprising; a proximal portion; a distal portion; an elongate slot extending between the proximal portion and the distal portion; a bottom surface; a cartridge deck on an opposite side of the cartridge body from the bottom surface, the cartridge deck comprising; a first deck surface; and a second deck surface laterally offset from the first deck surface in a direction away from the elongate slot, wherein the first deck surface is stepped up from the second deck surface relative to the bottom surface; and staple pockets on opposite sides of the elongate slot, wherein the staple pockets comprise deformable retention features; staples deployable from the staple pockets into tissue captured between the cartridge deck and the anvil; and staple drivers movable from a starting position to deploy the staples into the tissue, wherein the deformable retention features are configured to maintain the staple drivers at the starting positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A staple cartridge assembly for use with a surgical stapling instrument including an anvil, wherein the staple cartridge comprises:
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a cartridge body, comprising; a proximal portion; a distal portion; an elongate slot extending between the proximal portion and the distal portion; a bottom surface; a cartridge deck on an opposite side of the cartridge body from the bottom surface, the cartridge deck comprising; a first deck surface; and a second deck surface laterally offset from the first deck surface in a direction away from the elongate slot, wherein the first deck surface is further away from the second deck surface relative to the bottom surface; and staple pockets on opposite sides of the elongate slot; staples deployable from the staple pockets into tissue captured between the cartridge deck and the anvil; and staple drivers movable from a starting position to deploy the staples into the tissue, wherein the staple drivers comprise deformable retention features configured to maintain the staple drivers at the starting positions. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A staple cartridge assembly for use with a surgical stapling instrument including an anvil, wherein the staple cartridge comprises:
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a cartridge body, comprising; a proximal portion; a distal portion; an elongate slot extending between the proximal portion and the distal portion; a bottom surface; a cartridge deck on an opposite side of the cartridge body from the bottom surface; and staple pockets on opposite sides of the elongate slot; staples deployable from the staple pockets into tissue captured between the cartridge deck and the anvil; staple drivers movable from a starting position to deploy the staples into the tissue, wherein the staple drivers comprise a quadruple staple driver comprising; pushers configured to simultaneously deploy four of the staples into the tissue, wherein the pushers comprise side walls; and deformable retention features protruding from the side walls, wherein the deformable retention features cooperate to maintain the quadruple staple driver at the starting position.
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Specification