Vertebral connecting plate

Details Vertebral connecting plate Vertebral connecting plate

1990-11-29

1992-09-15

Frinks, Ronald

Surgery

Instruments

Orthopedic instrumentation

606 69, 606 70, 623 17, A61B 1756, A61B 1758

Patent

active

051473615

ABSTRACT:
A vertebral connecting plate assembly includes a vertebral connecting plate which is provided, on its opposite ends, with vertebra connecting portions to be connected to associated vertebral members or bodies. The vertebra connecting portions have threaded holes, and the set screws of the present invention have engaging screw portion, which are engaged in the associated threaded holes of the vertebral connecting plate. Thrusting screw portions of the set screws, which are thrust in the vertebral members or bodies, have a pitch (P1) larger than the pitch (P2) of the engaging screw portions.

REFERENCES:
patent: 3741205 (1973-06-01), Markoff et al.
patent: 3987499 (1976-10-01), Scharbach et al.
patent: 4175555 (1979-11-01), Herbert
patent: 4456005 (1984-06-01), Lichty
patent: 4655199 (1987-04-01), Steffee
The Plastic and Disaster Surgery, vol. 30, 10th issue, pp. 1165-1174. (Japanese Language), 1987.

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