Elongated-member-driving apparatus – Surgical stapler – With lockout
Patent
1993-05-14
1994-07-19
Rada, Rinaldi I.
Elongated-member-driving apparatus
Surgical stapler
With lockout
227 19, 227182, A61B 17068
Patent
active
053300874
ABSTRACT:
A surgical stapler having a trigger attached to a ratcheting mechanism for preventing the refiring of the stapler trigger with a staple loaded within a forming mechanism. In addition, the mechanism contains driver buffering means to prevent the sharp reduction in opposing force driving formation of a staple. The staples are constantly maintained in proper orientation during transfer from a track to the forming site, and are self-centering on the former, and have an oversized crown so that cold-worked areas on each staple do not hinder forming.
REFERENCES:
patent: 4403693 (1983-09-01), Froehlich
patent: 4664305 (1987-05-01), Blake, III et al.
patent: 4807628 (1989-02-01), Peters et al.
Hughett James D.
Love John F.
Murray Michael A.
Schwemberger Richard F.
Stephens Randy R.
Coletti Paul A.
Ethicon Inc.
Rada Rinaldi I.
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