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US 2017/0281328 A1Published application
Multi-layer porous film material
AssigneeCovidien LP
InventorsGerald N. Hodgkinson, Ph.D., Richard P. Stevenson
Life of this patent
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Abstract
A surgical implant includes at least two porous film layers each having a plurality of pores. The porous film layers are in a stacked configuration and are interconnected to one another at a plurality of attachment points to define at least one void between the porous film layers.
Claims19
(canceled)
A surgical stapling apparatus comprising:
- a handle assembly;
- a tubular body portion extending from the handle assembly;
- a staple cartridge assembly extending from the tubular body portion;
- an anvil assembly coupled to the staple cartridge assembly and movable relative thereto between open and closed positions;
- and
- a surgical buttress releasably attached to the staple cartridge assembly or the anvil assembly, the surgical buttress including first and second porous film layers successively stacked on each other and interconnected at a plurality of attachment points that define a plurality of pockets between the first and second porous film layers.
3 more elements
Dependencies are inferred from the claim text.