Buttress fixation for a circular stapler
AssigneeCovidien LP
InventorScott J. Prior
Life of this patent
Estimating the term…
Abstract
A stapling apparatus includes a body portion, a staple cartridge disposed within the body portion, and a buttress removably attached to the staple cartridge. The staple cartridge includes a plurality of staple receiving slots defined in a tissue contacting surface of the staple cartridge, with each staple receiving slot of the plurality of staple receiving slots including a staple disposed therein. The buttress includes a plurality of tabs at an outer edge of the buttress. The buttress is releasably retained on the staple cartridge by at least one tab of the plurality of tabs extending into a staple receiving slot of the plurality of staple receiving slots defined in the staple cartridge.
Claims20
A staple cartridge assembly for use with a surgical stapling apparatus, the staple cartridge assembly comprising:
- a staple cartridge including a tissue facing surface having staple receiving slots defined therein and arranged in annular rows;
- and
- a buttress having an inner edge defining a hole therethrough and an outer edge, the buttress including tabs defined between slits extending through the outer edge, the buttress releasably retained on the tissue facing surface of the staple cartridge by one tab of the tabs extending into one staple receiving slot of the staple receiving slots of the staple cartridge.
A buttress for use with a surgical stapling apparatus, the buttress comprising:
- a buttress body having an inner edge defining a hole therethrough and an outer edge, the buttress including tabs defined between slits extending through the outer edge;
- and
- a length of suture attached to the buttress body.
A staple cartridge for use with a surgical stapling apparatus, the staple cartridge comprising:
- a cartridge body including a tissue facing surface having staple receiving slots defined therein and arranged in annular rows, one staple receiving slot of the staple receiving slots including a notch extending radially outwardly therefrom.
Dependencies are inferred from the claim text.