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US 9,636,850 B2Granted
Buttress and surgical stapling apparatus
AssigneeCovidien LP
InventorsMegan Stopek (née Prommersberger), Brian Nentwick, Philippe Gravagna, Yves Bayon, Dagmar Dassonville, Alfredo Meneghin, Julie Lecuivre
Life of this patent
Estimating the term…
Abstract
Multilayer structures including a porous layer and a non-porous layer are useful as buttresses when associated with a surgical stapling apparatus.
Claims23
A surgical stapling apparatus comprising:
- a staple cartridge containing at least one staple and including a staple ejecting surface having an opening through which the at least one staple is ejected;
- an anvil having a staple forming surface, wherein one of the staple ejecting surface of the staple cartridge or the staple forming surface of the anvil includes a plurality of pins, each pin of the plurality of pins extending along an axis transverse to the staple ejecting surface or the staple forming surface, and laterally spaced inwardly of outer side edges of the staple ejecting surface or the staple forming surface;
- and
- a buttress positioned on the staple cartridge or the anvil, the buttress having at least one bioactive agent, and including a plurality of holes extending therethrough, the buttress releasably attached to the staple cartridge or the anvil by frictional engagement of each hole of the plurality of holes of the buttress with a pin of the plurality of pins of the staple cartridge or the anvil.
1 more element
A surgical stapling apparatus comprising:
- a staple cartridge containing at least one staple and including a staple ejecting surface having an opening through which the at least one staple is ejected;
- an anvil having a staple forming surface, wherein one of the staple ejecting surface of the staple cartridge or the staple forming surface of the anvil includes a plurality of pins extending transversely therefrom, each pin of the plurality of pins laterally spaced inwardly of an outer perimeter of the staple ejecting surface or the staple forming surface, and including a first end directly coupled to the staple ejecting surface or the staple forming surface, and a free end longitudinally aligned with the first end;
- and
- a buttress positioned on the staple cartridge or the anvil, the buttress having a plurality of holes extending therethrough, the buttress releasably attached to the staple cartridge or the anvil by frictional engagement of the plurality of holes of the buttress with the plurality of pins of the staple cartridge or the anvil.
1 more element
Dependencies are inferred from the claim text.