END EFFECTOR FOR USE WITH A SURGICAL FASTENING INSTRUMENT
First Claim
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1. A disposable end effector for use with a surgical fastening instrument, said disposable end effector comprising:
- a proximal end configured to be attached to a shaft of the surgical fastening instrument;
a distal end;
a first jaw;
a second jaw rotatably coupled relative to said first jaw, wherein one of said first jaw and said second jaw is movable between an open position and a closed position relative to the other of said first jaw and said second jaw;
a plurality of fastener cavities;
a plurality of fasteners, wherein said fasteners are removably positioned in said fastener cavities; and
a cutting member movable toward said distal end, wherein said cutting member comprises;
a knife edge;
a first portion configured to engage said first jaw, wherein said first portion is comprised of a first material;
a second portion configured to engage said second jaw; and
an insert engaged with said first portion configured to engage said first jaw, wherein said insert is comprised of an insert material which is different than said first material.
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Abstract
A surgical staple including a crown and a deformable member extending from the crown, the deformable member having a notch configured to cause the deformable member to bend at the notch when the staple is deformed from a first shape into a second shape. The crown of the surgical staple, in various embodiments, further includes a forming surface, or anvil, which is configured to deform the deformable member and/or guide a distal end of the deformable member when the distal end contacts the crown.
320 Citations
17 Claims
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1. A disposable end effector for use with a surgical fastening instrument, said disposable end effector comprising:
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a proximal end configured to be attached to a shaft of the surgical fastening instrument; a distal end; a first jaw; a second jaw rotatably coupled relative to said first jaw, wherein one of said first jaw and said second jaw is movable between an open position and a closed position relative to the other of said first jaw and said second jaw; a plurality of fastener cavities; a plurality of fasteners, wherein said fasteners are removably positioned in said fastener cavities; and a cutting member movable toward said distal end, wherein said cutting member comprises; a knife edge; a first portion configured to engage said first jaw, wherein said first portion is comprised of a first material; a second portion configured to engage said second jaw; and an insert engaged with said first portion configured to engage said first jaw, wherein said insert is comprised of an insert material which is different than said first material. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A disposable end effector for use with a surgical fastening instrument, said disposable end effector comprising:
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a proximal end configured to be attached to a shaft of the surgical fastening instrument; a distal end; a first jaw; a second jaw rotatably coupled relative to said first jaw, wherein one of said first jaw and said second jaw is movable between an open position and a closed position relative to the other of said first jaw and said second jaw; a plurality of fastener cavities; a plurality of fasteners, wherein said fasteners are removably positioned in said fastener cavities; and a tissue cutting member movable toward said distal end, wherein said tissue cutting member comprises; a knife edge; a first camming member configured to engage said first jaw; a second camming member configured to engage said second jaw, wherein said first camming member and said second camming member are configured to co-operatively set a tissue gap between said first jaw and said second jaw; and an affix extending from one of said first camming member and said second camming member, wherein said affix is configured to facilitate in setting the tissue gap between said first jaw and said second jaw. - View Dependent Claims (8, 9, 10)
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11. An end effector for use with a surgical stapling instrument, said end effector comprising:
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a proximal end configured to be attached to a shaft of the surgical stapling instrument; a distal end; a first jaw comprising a first outer surface; a second jaw rotatably coupled relative to said first jaw, wherein said second jaw comprises a second outer surface, and wherein one of said first jaw and said second jaw is movable between an open position and a closed position relative to the other of said first jaw and said second jaw; a plurality of staple cavities; a plurality of staples, wherein said staples are removably positioned in said staple cavities; a firing member movable relative to said distal end, wherein said firing member comprises; a first foot configured to engage said first jaw, wherein said first foot comprises a pad attached thereto which is configured to engage said first jaw; and a second foot configured to engage said second jaw. - View Dependent Claims (12, 13, 14, 15, 16)
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17. An end effector for use with a surgical stapling instrument, said end effector comprising:
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a proximal end configured to be attached to a shaft of the surgical stapling instrument; a distal end; a pair of jaws movable between an open condition and a closed condition; a plurality of staple cavities; a plurality of staples, wherein said staples are removably positioned in said staple cavities; a knife member movable toward said distal end, wherein said knife member comprises; a cutting portion; a first foot configured to engage said first jaw; a second foot configured to engage said second jaw; a first surface comprising a first pad, wherein said first pad is comprised of a material which is different than said first surface; and a second surface comprising a second pad, wherein said second pad is comprised of a material which is different than said second surface, and wherein said first pad and said second pad are configured to facilitate the closing of said pair of jaws.
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Specification