Surgery – Instruments – Orthopedic instrumentation
Patent
1994-05-27
1996-08-06
Tucker, Guy
Surgery
Instruments
Orthopedic instrumentation
606 72, A61B 1770
Patent
active
055429467
ABSTRACT:
The hook (32) comprises a body (33) and a laminar portion (37) which is suitably profiled and adapted to penetrate a foramen opening at the base of the occiput against which it bears. The body is arranged to receive an osteosynthesis rod or plate and has a plane of symmetry (P). The laminar portion (37) has a curvature adapted to the thickness of the occipito-cervical shell and is inclined relative to one side or the other of the plane of symmetry (P) so as to be adaptable to the anatomy of the edge of the occiput in the region of the foramen. This inclination may be for example substantially 45.degree.. This asymmetry of the laminar portion (37) relative to the body (33) of the hook (32) enables the surgeon to avoid having to previously remove a piece of the edge of the occiput of the patient and consequently damage the occiput.
REFERENCES:
patent: 4047523 (1977-09-01), Hall
patent: 4815453 (1989-03-01), Cotrel
patent: 5181917 (1993-01-01), Rogozinski
patent: 5201734 (1993-04-01), Cozad et al.
patent: 5257993 (1993-11-01), Asher et al.
patent: 5263954 (1993-11-01), Schlapfer et al.
patent: 5360429 (1994-11-01), Jeanson et al.
patent: 5380325 (1995-01-01), Lahille et al.
Goube Michel
Logroscino Carlo
Sofamor S.N.C.
Tucker Guy
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