Device for straightening, securing, compressing and elongating the spinal column
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United States of America Patent
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-
Nov 16, 1993
Issued Date -
N/A
app pub date -
Aug 25, 1992
filing date -
Jul 26, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a process and device for securing, elongating and compressing a spinal column, of simple design, which is easy and precise in use, leaving no projecting part. The process of the invention for straightening and supporting a spinal column consists in securing screwed implants (10) or hooks on either side of the curvature of the spin and interlinking them by at least two rods (20,21) designed to act as struts; said rods (20,21) are introduced longitudinally into grooves (113) perpendicular to the screw (120) fitted in the body (110) of the implants (10) or hooks and then fixed in the base of the grooves (113) by crimping resulting from the deformation of the sides of the groove (113) by the closing of its sides; said deformation is obtained via a conically-threaded nut (30) and a cylindrical male thread cut around the body (110) of the implants (10). Application: straightening and supporting the spinal column in the event of scoliosis or fracture, for example.
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Family
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