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US 8,496,683 B2Granted
Buttress and surgical stapling apparatus
AssigneeCovidien LP
InventorsMegan 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.
Claims18
A surgical stapling apparatus comprising:
- a staple cartridge containing at least one staple;
- an anvil having a staple forming surface;
- and
- a buttress positioned adjacent the anvil or the cartridge, the buttress comprising a non-porous layer, a porous layer, a first reinforcement member encapsulated within the non-porous layer and a second reinforcement layer associated with the porous layer, wherein the first reinforcement member comprises a plurality of reinforcement members oriented in a first direction and the second reinforcement layer comprises a plurality of reinforcement members oriented in a second direction that is different from the first direction.
1 more element
A surgical stapling apparatus comprising:
- a staple cartridge containing at least one staple;
- an anvil having a staple forming surface;
- and
- a buttress positioned adjacent the anvil or the cartridge, the buttress comprising a fiber-reinforced foam composite and a non-porous layer disposed within the fiber-reinforced foam composite.
1 more element
A method of sealing a wound comprising:
- enclosing tissue between a cartridge and an anvil of a surgical stapling apparatus, one of the cartridge or anvil having a buttress positioned adjacent thereto, wherein the buttress comprises a fiber-reinforced foam composite and a non-porous layer disposed within the fiber-reinforced foam composite;
- and
- ejecting staples from said cartridge to secure the buttress to the tissue.
Dependencies are inferred from the claim text.