Multiple node variable length cross-link device

Details Multiple node variable length cross-link device Multiple node variable length cross-link device

1996-12-23

1998-01-13

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 60, 606 72, 606 73, 606 69, A61B 1770

Patent

active

057073724

ABSTRACT:
A compression locking variable length cross-link device having modular components, including rod and/or pedicle screw coupling elements each having a hole which may be disposed co-linearly with respect to other such holes in opposing elements such that a threaded hinge-post may be inserted therein. A nut is utilized to compress the elements together to rigidly secure the elements once they have been properly positioned relative to one another. In an additional set of embodiments, a linkage member having an elongate hole therein may be used to couple similar elements thereto in a similar flexible hinge-post manner such that the elements may be coupled to the linkage member instead of to the opposing elements directly.

REFERENCES:
patent: 5261907 (1993-11-01), Vignaud et al.
patent: 5306275 (1994-04-01), Bryan
patent: 5312405 (1994-05-01), Korotko et al.
patent: 5368594 (1994-11-01), Martin et al.
patent: 5498263 (1996-03-01), DiNello et al.
patent: 5531745 (1996-07-01), Ray
patent: 5607425 (1997-03-01), Rogozinski

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