Surgical stapler with tissue gripping ridge

Details Surgical stapler with tissue gripping ridge Surgical stapler with tissue gripping ridge

1994-12-05

1995-09-26

Smith, Scott A.

Elongated-member-driving apparatus

Surgical stapler

With magazine

227 19, A61B 17068

Patent

active

054528372

ABSTRACT:
An improved surgical stapler is disclosed having a tissue gripping ridge on at least one of the tissue contacting surfaces. The tissue contact surfaces are preferably displayed on both the anvil and the cartridge surfaces of the surgical stapler. The tissue gripping ridges preferably have serrated surfaces which mesh when in contact with each other to hold the tissue.
The preferred embodiment of this invention describes the tissue gripping ridges along the periphery of the anvil and cartridge tissue contact surfaces. Another embodiment describes the tissue gripping ridges adjacent to the longitudinal knife slot.

REFERENCES:
patent: 1452373 (1923-04-01), Gomez
patent: 3078465 (1963-02-01), Bobrov
patent: 3079606 (1963-03-01), Bobrov et al.
patent: 3315863 (1967-04-01), O'Dea
patent: 4290542 (1981-09-01), Fedotov et al.
patent: 4429695 (1984-02-01), Green
patent: 4527724 (1985-07-01), Chow et al.
patent: 4633861 (1987-01-01), Chow et al.
patent: 4633874 (1987-01-01), Chow et al.
patent: 5014899 (1991-05-01), Presty et al.

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