Surgical base unit and retractor support mechanism

Details Surgical base unit and retractor support mechanism Surgical base unit and retractor support mechanism

2005-04-04

2009-12-29

Robert, Eduardo C (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S08600R, C606S090000, C606S104000

Reexamination Certificate

active

07637914

ABSTRACT:
A method and apparatus for exerting force on a first bone with respect to a fulcrum, which may be a second bone. A pedicle screw with a central threaded socket is inserted into the first bone, and a threaded closure top is driven into the central threaded socket of the pedicle screw. A base structure, mechanically coupled to the fulcrum, is coupled to the closure top so that a force may be exerted by the base structure, acting against the fulcrum, in at least one of axial and transverse directions with respect to the pedicle screw. Coupling between the base structure and the pedicle screw may be by means on an integral assembly that allows both vertical and horizontal forces to be exerted on the bone. The base structure may also support a retractor in a manner local to the immediate region of surgery.

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Website: Spinal Concepts-Path Finder™; http://www.spinalconcepts.com/products/pathfinder.htm.
Website: Spine-Health.com; http://www.spine-health.com/topics/surg/mini/mimimally-invasive02.html.; pp. 1-2.

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