Interlocking Buttress Material Retention System
First Claim
Patent Images
1. A surgical stapler comprising:
- a pair of jaws including a staple cartridge and an anvil, at least one of the pair of jaws defining a tissue contacting surface defining a tissue contacting plane and a recess formed into the tissue contacting surface and defining a recessed plane, wherein the recessed plane is substantially parallel to and spaced transversely away from the tissue contacting plane, the at least one of the pair of jaws including;
at least one projection disposed near a distal end of the at least one of the pair of jaws; and
at least one projection disposed near a proximal end of the at least one of the pair of jaws, wherein the at least one projection disposed near the distal end of the at least one of the pair of jaws and the at least one projection disposed near the proximal end of the at least one of the pair of jaws project transversely from the recessed plane; and
a staple line buttress material releasably disposed within the recess of the at least one of the pair of jaws, wherein the staple line buttress material does not project above the tissue contacting plane, and wherein the staple line buttress material defines a recess therein for receiving the at least one projection disposed near the distal end of the at least one of the pair of jaws and the at least one projection disposed near the proximal end of the at least one of the pair of jaws.
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Abstract
A surgical stapler is provided having a pair of jaws including a staple containing cartridge and an anvil. Buttress material is releasable affixed to the staple containing cartridge and the anvil. One of the jaws includes a pair of longitudinal projections at a first end of the jaw and configured to frictionally engage corresponding slots in a first end the buttress material. One of the jaws includes a post at a second end of the jaw. The buttress material includes a hole in a second end of the buttress material for receipt of the post.
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Citations
12 Claims
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1. A surgical stapler comprising:
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a pair of jaws including a staple cartridge and an anvil, at least one of the pair of jaws defining a tissue contacting surface defining a tissue contacting plane and a recess formed into the tissue contacting surface and defining a recessed plane, wherein the recessed plane is substantially parallel to and spaced transversely away from the tissue contacting plane, the at least one of the pair of jaws including; at least one projection disposed near a distal end of the at least one of the pair of jaws; and at least one projection disposed near a proximal end of the at least one of the pair of jaws, wherein the at least one projection disposed near the distal end of the at least one of the pair of jaws and the at least one projection disposed near the proximal end of the at least one of the pair of jaws project transversely from the recessed plane; and a staple line buttress material releasably disposed within the recess of the at least one of the pair of jaws, wherein the staple line buttress material does not project above the tissue contacting plane, and wherein the staple line buttress material defines a recess therein for receiving the at least one projection disposed near the distal end of the at least one of the pair of jaws and the at least one projection disposed near the proximal end of the at least one of the pair of jaws. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification