Circular stapler tissue retention spring method

Details Circular stapler tissue retention spring method Circular stapler tissue retention spring method

1992-10-22

1994-05-10

Graysay, Tamara L.

Surgery

Miscellaneous

Methods

227179, A61B 17115

Patent

active

053099273

ABSTRACT:
An tissue retention spring for use with a surgical circular stapler used to perform an anastomosis. The tissue retention spring is mounted onto the anvil shaft of the stapler. The spring has a plurality of connected helical coils defining a member having an axial passage therethrough. The spring provides tissue retention, tissue and fluid venting, and improved stapler closing.

REFERENCES:
patent: 4017062 (1977-04-01), Zwirner
patent: 4120489 (1978-10-01), Borlinghaus
patent: 4476863 (1984-10-01), Kanshin et al.
patent: 4592354 (1986-06-01), Rothfuss
patent: 4665917 (1987-05-01), Clanton et al.
patent: 5104025 (1992-04-01), Main et al.

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