Patent ID: 7128748

Claim:
A combination medical device comprising: a) a circular stapler instrument, comprising a staple cartridge component having a central recessed aperture and corresponding anvil component having a central recessed aperture, and b) one or more portions of buttress material adapted to be a) stably positioned upon the staple cartridge and/or anvil components of the stapler instrument prior to, or at the time of, use, b) while in position upon the stapler instrument component(s), to then be delivered to a tissue site in combination with the stapler instrument components, c) upon delivery of the components and positioned material portion(s) to the tissue site, to provide a first region of buttress material as a staple line buttress seal between joined tissue sections upon activation of the stapler instrument, and optionally, d) to permit the removal of one or more portions of a second region of the buttress material upon activation of a stapler instrument knife provided by the stapler instrument, wherein the buttress material portion adapted to fit the cartridge component comprises a circumferential disc having an integral raised center portion adapted to fit the central recessed aperture of the cartridge, and the buttress material portion adapted to fit the anvil component comprises a circumferential disc having an integral raised center portion adapted to fit the central recessed aperture of the anvil.