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US 7,665,646 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.
Claims17
A surgical stapler comprising:
- a pair of jaws including a staple cartridge and an anvil, at least one of the jaws including a plurality of projections integral with and extending from a tissue contacting surface of the jaw, the plurality of projections including at least two projections being positioned at a first end of the at least one jaw and at least one projection at a second end of the at least one jaw opposite the first end of the at least one jaw, wherein each of the at least two projections at the first end of the at least one jaw includes a neck portion and bulbous portion;
- and
- a staple line buttress material releasably affixed to the at least one jaw and including recesses for receipt of the at least two projections, wherein the buttress material is positioned within the outer periphery of the at least one jaw member to facilitate insertion of the surgical stapler into a surgical site.
Dependencies are inferred from the claim text.