Clamp assembly for use in a spinal system
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United States of America Patent
Stats
-
Dec 24, 1991
Grant Date -
N/A
app pub date -
Dec 21, 1988
filing date -
Dec 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a mid-line clamp assembly for use in a posterior spinal system including components designed to be affixed to the spinal column of a person to correct for various lateral and sagittal deformities. The clamp assembly includes inferior and superior clamp halves slidably interconnected with one another. Each clamp half has a body portion and a shoe connected to the body portion. Each clamp half has a stud connected to the body portion. The studs are connectable to other members incorporated in this spinal system for fixing the position of the clamp halves with respect to each other. The clamps are used in conjunction with the spinal system which also includes a pair of smooth surfaced rods mounted in spaced relation to one another on the spinal column in conjunction with various fixation devices such as the clamps with hook bodies, hooks, screws with hook bodies and couplers. Each such fixation device utilizes locking sleeve assemblies at each connection point to secure the respective fixation device to the respective rod or rods. The coupler assemblies are provided to maintain the spacing of the rods. The method of performing surgery using the posterior spinal system is also disclosed.
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