Clamping device for vertebral locking rod

Details Clamping device for vertebral locking rod Clamping device for vertebral locking rod

1993-11-12

1995-01-10

Graysay, Tamara L.

Surgery

Instruments

Orthopedic instrumentation

606 72, 403 13, 403374, 4034091, A61B 1758

Patent

active

053803264

ABSTRACT:
A clamping device for a vertebral locking rod includes an outer clamping member and an inner clamping member. The outer clamping member has a U-shaped clamping mount provided respectively in both inner sides thereof with a fitting member, with at least one of the two inner sides having a retainer. The inner clamping member has an arcuate fastening mount and a fastening block provided respectively in both outer sides thereof with a fitting member engageable with the fitting member of the outer clamping member. The arcuate fastening mount and the U-shaped clamping mount are joined together to form a retaining hole to hold therein a vertebral locking rod. The fastening block is provided in at least one of the two outer sides thereof with a retainer engageable with the retainer of the U-shaped clamping mount of the outer clamping member so as to prevent the fastening block from sliding in the U-shaped clamping mount.

REFERENCES:
patent: 2174624 (1939-10-01), Donald et al.
patent: 4887596 (1989-12-01), Sherman
patent: 5257993 (1993-11-01), Asher et al.
patent: 5261912 (1993-11-01), Frigg

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