System and method for replacement of spinal motion segment

Details System and method for replacement of spinal motion segment System and method for replacement of spinal motion segment

2008-05-30

2011-10-11

Philogene, Pedro (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S264000, C606S250000, C606S301000

Reexamination Certificate

active

08034078

ABSTRACT:
A system for flexibly stabilizing a vertebral motion segment of the facet joint by connecting a first vertebra and a second vertebra is disclosed. The system includes an elongate connection element with end portions interconnected by a flexible coupling member. The system includes first and second attachment portions for connecting the connection element to the vertebrae. A first resilient member is positioned between the first end portion and the first attachment portion, and a second resilient member is positioned between the first attachment portion and the second attachment portion. The system is designed such that the second resilient member is compressed when the first and second attachment portions move towards each other, and the first resilient member is compressed when the first and second attachment portions extend away from each other and a part of the first and second attachment portions extend towards each other on opposing walls of the elongate connection element.

REFERENCES:
patent: 7604654 (2009-10-01), Fallin et al.
patent: 7618442 (2009-11-01), Spitler et al.
patent: 7713288 (2010-05-01), Timm et al.
patent: 7828824 (2010-11-01), Kwak et al.
patent: 7846182 (2010-12-01), Walder et al.

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