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US 8,910,847 B2Granted
Low cost anvil assembly for a circular stapler
AssigneeEthicon Endo-Surgery, Inc.
InventorsAnil K. Nalagatla, David A. Deupree
Life of this patent
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Abstract
An anvil assembly for a circular stapling instrument is provided. The anvil assembly includes a one-piece, polymer anvil and a staple-forming surface. The one-piece, polymer anvil comprises an anvil base surface and an anvil shaft extending from the anvil base surface. The staple-forming surface is attached to the anvil base surface.
Claims16
An anvil assembly for a circular stapling instrument comprising:
- a one-piece, polymer anvil comprising an anvil base surface and an anvil shaft extending from the anvil base surface;
- and
- a staple-forming surface attached to the anvil base surface.
A circular stapling instrument comprising:
- a handle;
- an anvil control member;
- a reciprocating drive shaft coupled to the anvil control member;
- and
- an anvil assembly coupled to the reciprocating drive shaft, the anvil assembly comprising a one-piece, polymer anvil comprising an anvil base surface and an anvil shaft extending from the anvil base surface, and a staple-forming surface attached to the anvil base surface.
2 more elements
Dependencies are inferred from the claim text.