Implant interconnection mechanism

Details Implant interconnection mechanism Implant interconnection mechanism

1995-06-07

1996-10-08

Buiz, Michael Powell

Surgery

Instruments

Orthopedic instrumentation

606 73, A61B 1770, A61B 1786

Patent

active

055626637

ABSTRACT:
Spinal implants with features for anchorage in or onto bone or to connectors, have a body with an upwardly opening channel receiving a spinal rod therein. The channel has sidewalls with a curved slot in each of the sidewalls. A cap is mounted on the implant body and has a central portion received in the channel and has tongues at each side of the central portion, the tongues being received in the curved slots in the sidewalls. A set screw threaded into the cap engages the spinal rod and clamps the rod between the body and the set screw and fixes the cap to the body. The curved slots enable installation of the cap in minimal space measured lengthwise of the rod. Each implant body has an integral bone screw, or bone hook, or lateral connector rod or parallel spinal rod receiving body thereon.

REFERENCES:
patent: 4887596 (1989-12-01), Sherman
patent: 5005562 (1991-04-01), Cotrel
patent: 5067955 (1991-11-01), Cotrel
patent: 5154719 (1992-10-01), Cotrel
patent: 5217497 (1993-06-01), Mehidan
patent: 5257993 (1993-11-01), Asher et al.
patent: 5261907 (1993-11-01), Vignaud et al.
patent: 5346493 (1994-09-01), Stahurski et al.
patent: 5380326 (1995-01-01), Lin
patent: 5496321 (1996-03-01), Puno et al.

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