Dynamic stabilization device including overhanging...

Details Dynamic stabilization device including overhanging... Dynamic stabilization device including overhanging...

2011-04-26

2011-04-26

Robert, Eduardo C (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S255000, C606S259000

Reexamination Certificate

active

07931675

ABSTRACT:
Spine stabilization devices, systems and methods are provided in which a single resilient member or spring is disposed on an elongate element that spans two attachment members attached to different spinal vertebrae. The elongate element passes through at least one of the two attachment members, permitting relative motion therebetween, and terminates in a stop or abutment. A second resilient member is disposed on the elongate element on an opposite side of the sliding attachment member, e.g., in an overhanging orientation. The two resilient members are capable of applying mutually opposing urging forces, and a compressive preload can be applied to one or both of the resilient members.

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