Clamp for use in spinal surgery

Details Clamp for use in spinal surgery Clamp for use in spinal surgery

1992-05-15

1993-12-07

Brown, Michael A.

Surgery

Instruments

Orthopedic instrumentation

623 16, A61B 1756, A61F 228

Patent

active

052679993

ABSTRACT:
A surgical clamp which can be affixed to a vertebra without requiring the use of fastener elements which are driven or screwed into the vertebra includes a first block (1) from which there extend two projections or blades (3, 4) to form a fork structure which can straddle the vertebra arch in the region between the spinal processus and the processus articularis, and further includes a tensioning element (7) in the form of a rod which extends through the first block (1) and one end of which is curved to form a hook (10) for gripping around a lamina and the other end of which is screw threaded and coacts with nut (11) which is guided in the block and one end of which has a tool accommodating recess.

REFERENCES:
patent: 4361141 (1982-11-01), Tanner
patent: 4369769 (1983-01-01), Edwards
patent: 4448191 (1984-05-01), Rodnyansky
patent: 4611582 (1986-09-01), Duff
patent: 4641636 (1987-02-01), Cotrel
patent: 4827918 (1989-05-01), Olerud
patent: 5000165 (1991-03-01), Watanabe
patent: 5057109 (1991-10-01), Olerud
patent: 5074864 (1991-12-01), Cozad
patent: 5116334 (1992-05-01), Cozad

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