Surgery – Instruments – Sutureless closure
Patent
1995-10-02
1997-12-09
Gorski, Joseph M.
Surgery
Instruments
Sutureless closure
227902, 411471, 411920, 411457, A61B 1704
Patent
active
056955243
ABSTRACT:
A staple and stapler for injecting the staple in a manner so that the staple maintains a near constant width upon penetration of material to be joined and during staple closure/forming such that material perturbation and staple to staple spacing may be minimized. The staple has a rectilinear bridge part from which depend oppositely positioned side parts and from the side parts a pair of straight legs. In a preferred embodiment, the oppositely positioned side parts consist of a proximal arcuate section attached to the bridge part and an oppositely directed distal arcuate section attached to the legs. The legs may have sharpened points. Also disclosed is a stapler adapted to force the oppositely directed distal arcuate sections outward, in one embodiment, thereby forcing a reaction of the legs of the staple to face each other in linear alignment and form a closed staple. The unpreloaded fully-formed staple may be deformed in situ by means of a preload part on a cam slide so as to create a U-shaped central portion for the compression of captured material. Alternatively, a preformed staple with the U-shaped central portion may also be used.
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Kelley Mark
McDuffie Phil
Gorski Joseph M.
Shaffer, Jr. J. Nevin
Tracor Aerospace, Inc.
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