Compression bone staple apparatus and method

Details Compression bone staple apparatus and method Compression bone staple apparatus and method

1999-04-26

2000-05-09

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

A61B 1756

Patent

active

060597879

ABSTRACT:
A method and apparatus for interosseous bone fixation uses a compression staple, generally U-shaped, having a pair of legs with sharp front ends and proximal ends interconnect by a bridge portion that is resilient and bowed, the staple having an initial configuration and capable of a tensioned configuration by spreading apart the legs by a certain amount causing the curvature of the bowed bridge to lessen and the legs urged towards each other with certain compressive spring force. A staple applicator supports and guides the staple and positions the tensioned staple with its pointed ends forward, adjacent an ejection port at the front of the applicator. A powered strike member is mounted for longitudinal movement and has a front end that will strike the rear of the tensioned staple with percussive force and eject it in tensioned configuration from the applicator.

REFERENCES:
patent: 4723540 (1988-02-01), Gilmer, Jr.
patent: 4838254 (1989-06-01), Gauthier
patent: 4994063 (1991-02-01), Garner

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