Anterior lumbar plate and method
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United States of America Patent
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-
Dec 31, 2013
Grant Date -
Nov 24, 2011
app pub date -
Aug 5, 2011
filing date -
Oct 25, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plate of biocompatible material is provided having curvature in two planes such that it conforms to the curvature of the L5 vertebral body and to the patient's lordotic curve. Holes are provided receiving screws for anchorage in the vertebral body and sacrum. A flange or foot portion on the plate provides a wider base end area for support in the L5-S1 interspace. The foot portion is also arranged for appropriate entry angle of screws into the sacrum such as to improve anchorage in the sacrum. Anti-backout and low profile features are incorporated. The anterior lumbar plate is situated to maintain the anterior interbody bone graft in compression by resisting tensile forces during extension.
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