Transverse fixation device for a spinal osteosynthesis system

Details Transverse fixation device for a spinal osteosynthesis system Transverse fixation device for a spinal osteosynthesis system

1993-11-24

1996-01-30

Isabella, David

Surgery

Instruments

Orthopedic instrumentation

A61F 500

Patent

active

054877423

ABSTRACT:
This device comprises two fixation elements (4), each consisting of a hook (4) designed so as to be able to cover a rigid transverse bar (3) in a sliding manner and equipped with means (9, 8) for locking on the bar (3); this hook is made up of a body (5) and of two blades (6) spaced apart by a distance (d) of a width corresponding to that of the bar (3), and a span (7) for the hook to bear on the bar is made on the body (5) between the blades (6), which blades extend on each side of the bar when the hook straddles the latter. Two hooks (4), combined with a rectangular bar (3), form a relatively simple transverse connection device which can be positioned quickly and which has great torsional and flexural strength.

REFERENCES:
patent: 2187642 (1940-01-01), Brown
patent: 4641636 (1987-02-01), Cotrel
patent: 4815453 (1989-03-01), Cotrel
patent: 5002542 (1991-03-01), Frigg
patent: 5102412 (1992-04-01), Rogozinski
patent: 5261908 (1993-11-01), Campbell, Jr.

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