Transverse connection for spinal rods

Details Transverse connection for spinal rods Transverse connection for spinal rods

1995-04-10

1998-02-10

Buiz, Michael Powell

Surgery

Instruments

Orthopedic instrumentation

606 60, A61B 1756

Patent

active

057163553

ABSTRACT:
Four versions of clamps originally slidable along two generally parallel spinal rods are swivel connected to three versions of transverse connectors located between the rods. Set screws lock the transverse connectors to the clamps. Two of the clamp versions use interfitting rotational index locking detents at the swivel connections to fix the final orientation of the transverse connector relative to the spinal rods. The other two clamp versions use locking tapers to lock the rotational index positions at the swivel connections to fix the final orientation of the transverse connector relative to the spinal rods. One clamp version uses a separate set screw to fix the clamp on the spinal rod. One transverse connector has an open clamping head for installation directly onto the spinal rod without sliding it onto the rod from one end or the other.

REFERENCES:
patent: 4361141 (1982-11-01), Tanner
patent: 4433677 (1984-02-01), Ulrich et al.
patent: 5005562 (1991-04-01), Cotrel
patent: 5167661 (1992-12-01), Wagenknecht
patent: 5181917 (1993-01-01), Rogozinski
patent: 5196013 (1993-03-01), Harms et al.
patent: 5261907 (1993-11-01), Vignaud et al.
patent: 5275600 (1994-01-01), Allard et al.
patent: 5352224 (1994-10-01), Westermann

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