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US 8,308,046 B2Granted
Interlocking buttress material retention system
AssigneeTyco Healthcare Group LP
InventorMegan L. Prommersberger
Life of this patent
Estimating the term…
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.
Claims6
A surgical stapler comprising:
- a first jaw having a staple cartridge and a second jaw including an anvil, at least one of the first jaw and the second jaw defining a tissue facing surface defining a at least one projection extending above the tissue facing surface of at least one of the first jaw and the second jaw such that each projection defines a tissue contacting surface;
- and a staple line buttress material releasably disposed against the tissue facing surface, the staple line buttress material defining a recess therein for receiving the at least one projection,
- wherein the staple line buttress material is positioned between the tissue facing surface and a plane defined by the tissue contacting surface,
- wherein the at least one of the first jaw and the second jaw includes a longitudinally extending knife slot, the at least one projection being separated by the knife slot.
1 more element
Dependencies are inferred from the claim text.