Elongated-member-driving apparatus – With means to assemble plural pieces of work
Patent
1984-03-12
1987-01-06
Bell, Paul A.
Elongated-member-driving apparatus
With means to assemble plural pieces of work
128334R, 227 83, 227116, 227DIG1, A61B 1700
Patent
active
046340351
ABSTRACT:
The prior art discloses a surgical stapler having means for forming a staple, and means for activating the forming means. The forming means have an anvil surface terminating in a movable flange and a track movably containing a forming blade. The improved stapler of this invention comprises the activating means cooperatively attached to the forming means, and the anvil surface having a boss and the forming blade having an opening. The anvil surface boss has an arcuate motion dependent on the linear motion of the forming blade opening. Alternatively, the improved stapler also comprises a formed staple stripping surface adjacent at least two opposing sides of the anvil flange.
REFERENCES:
patent: 1945377 (1934-01-01), Posnack
patent: 2635234 (1953-04-01), Reed
patent: 4043504 (1977-08-01), Hueil et al.
patent: 4185762 (1980-01-01), Froehlich
patent: 4202480 (1980-05-01), Annett
patent: 4364507 (1982-12-01), Savino
patent: 4478362 (1984-10-01), Foslien
patent: 4527725 (1985-07-01), Foslien
Li Lehmann K.
Marra Michael
American Cyanamid Company
Bell Paul A.
Costello, Jr. Charles F.
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