Elongated-member-driving apparatus – Surgical stapler
Patent
1994-08-19
1996-01-02
Smith, Scott A.
Elongated-member-driving apparatus
Surgical stapler
227 19, A61B 17068
Patent
active
054800897
ABSTRACT:
An apparatus is disclosed for driving one or more U-shaped surgical staples through body tissue and against an anvil to deflect, crimp, or clinch the ends of the staple legs and thereby secure the tissue. The apparatus has an anvil with a plurality of staple pockets in the surface of the anvil. Each staple pocket has a first and a second staple leg forming cup. At least one channeling surface is disposed around a perimeter of each of the staple leg forming cups to guide the staple legs into the staple leg forming cups. The channeling surfaces have a substantially lemniscate shape.
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Smith Scott A.
United States Surgical Corporation
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