Surgery – Instruments – Orthopedic instrumentation
Patent
1995-03-08
1996-05-28
Pellegrino, Stephen C.
Surgery
Instruments
Orthopedic instrumentation
606 73, A61B 1770
Patent
active
055206891
ABSTRACT:
An osteosynthetic fastening device, preferably in the form of a pedicle screw or a spinal column hook, has a channel in its upper section for receiving a support rod and a retaining element which clamps the rod in the socket through a spherical contact element.
REFERENCES:
patent: 4887596 (1989-12-01), Sherman
patent: 5005562 (1991-04-01), Cotrel
patent: 5053034 (1991-10-01), Olerud
patent: 5176680 (1993-01-01), Vignaud et al.
patent: 5190543 (1993-03-01), Schapfer
patent: 5217497 (1993-06-01), Mehdian
patent: 5261907 (1993-11-01), Vignaud et al.
patent: 5261912 (1993-11-01), Frigg
Fluckiger Markus
Schlapfer Johannes F.
Pellegrino Stephen C.
Synthes (U.S.A.)
Tucker Guy V.
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