Anvil assembly with improved cut ring

Elongated-member-driving apparatus – Surgical stapler – With magazine

Reexamination Certificate

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Details

C227S176100, C227S019000

Reexamination Certificate

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07494038

ABSTRACT:
An anvil assembly for use with a surgical stapler is provided. The anvil assembly includes a cut ring assembly having a body and a cover. The cover has a first layer of material having a first hardness to allow penetration by a knife of a surgical stapler and at least one additional layer of material having a second hardness greater than the first hardness to minimize penetration of the cover by a knife of a surgical stapler.

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