Apparatus for use in the treatment of spinal disorders

Details Apparatus for use in the treatment of spinal disorders Apparatus for use in the treatment of spinal disorders

1990-11-05

1992-03-03

Rosenbaum, C. Fred

Surgery

Instruments

Orthopedic instrumentation

A61F 504

Patent

active

050928686

ABSTRACT:
A tie member for insertion through a segment of a spinal column for clamping that segment to a link or frame embracing that segment comprises an endless loop of wire flattened to form two strands substantially parallel and contiguous with one another at least in their end regions in which one strand runs into the other in an end loop. Such a tie member of finite length with the end loops can be readily inserted through a segment of a spinal column, manipulated into and retained in a desired position and have its ends twisted together for clamping. The endless loops obviates any sharp ends that could accidentally cause damage to the spinal column. Ancilliary instruments for use with the tie members include a keeper with arms defining an end recess across which extends a pin on which the tie member end loops can be received, and a twister with a crank handle and a tapered T-shaped groove to receive a keeper, and a puller having a T-shaped handle and a hook compatible with the tie member end loops.

REFERENCES:
patent: 2802467 (1957-08-01), McNally
patent: 4557259 (1985-12-01), Wu
patent: 4570618 (1986-02-01), Wu
patent: 4643178 (1987-02-01), Nastari et al.
patent: 4686970 (1987-08-01), Dove et al.
patent: 4966600 (1990-10-01), Songer et al.
Zentralblatt fur Chirugie; 1933; Nr. 17; Uber Einen Neuen Drahtbinder; Dr. Schurch.

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