Staple buttress retention system
First Claim
1. A surgical instrument having a system of retaining buttress material comprising:
- a jaw assembly including a first jaw and a second jaw, at least one of the first jaw and the second jaw defining staple pockets for retaining staples; and
a buttress material having a central portion and a peripheral portion including a circumferential perforation line separating the central portion from the peripheral portion, the peripheral portion being attached to a tissue contacting surface of at least one of the first jaw and the second jaw, the central portion being separable from the peripheral portion after the staples are fired, the buttress material being preloaded on a surgical stapler at the time of manufacture.
2 Assignments
0 Petitions
Accused Products
Abstract
A surgical stapling instrument is provided having systems for securing buttress material to the anvil and staple containing cartridge associated with the surgical instrument. The system includes a retainer configured to engage the anvil or the staple containing cartridge and capture the buttress material between the retainer and the anvil or staple containing cartridge. The disclose retainer engages the anvil or staple containing cartridge in snap fit or friction fit fashion. The buttress material includes a circumferential perforation line enabling the center of the buttress material to be stapled to tissue while the remainder of the buttress material remains with the anvil or staple containing cartridge.
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Citations
26 Claims
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1. A surgical instrument having a system of retaining buttress material comprising:
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a jaw assembly including a first jaw and a second jaw, at least one of the first jaw and the second jaw defining staple pockets for retaining staples; and a buttress material having a central portion and a peripheral portion including a circumferential perforation line separating the central portion from the peripheral portion, the peripheral portion being attached to a tissue contacting surface of at least one of the first jaw and the second jaw, the central portion being separable from the peripheral portion after the staples are fired, the buttress material being preloaded on a surgical stapler at the time of manufacture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification