Device for stabilizing vertebra bodies of the spinal column
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 9, 2001
Grant Date -
N/A
app pub date -
Mar 29, 2000
filing date -
Mar 29, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for stabilizing vertebrae of a spinal column has a stabilizing rod and clamps each having a receiving bore for receiving the stabilizing rod. The clamps each have a first leg and a second leg. Each leg has a transverse bore extending transversely to the receiving bore. The transverse bores of the first and second legs are aligned with one another. Screws having a first threaded portion for threadingly engaging a vertebra are provided. The screws have a screw head remote from the first threaded portion and a second threaded portion projecting from the screw head in a direction away from the first threaded portion. At least the transverse bore of the first leg of the clamps have a bore insert member inserted in the transverse bore and resting against the outer surface of the first leg and having an eccentric insert bore. The second threaded portion of the screws penetrate the eccentric insert bore. The eccentric insert bore causes the screws to have a slanted position relative to the clamp and the stabilizing rod. Clamping nuts engage the second threaded portion and, when tightened on the second threaded portion, force the first and second legs of the clamps toward one another thereby securing the stabilizing rod in the receiving bore.
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