Device for connecting a longitudinal support to a pedicle screw
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United States of America Patent
Stats
-
May 16, 2000
Grant Date -
N/A
app pub date -
Jun 11, 1999
filing date -
Dec 12, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a device used to connect a longitudinal support to a pedicle screw by an accommodating head having a channel to accommodate the longitudinal support, wherein it is possible to freely choose from or mix laterally open, top open or closed accommodating heads. A top open accommodating head facilitates, for example, insertion of the longitudinal support, whereas a lateral opening enables lateral corrections. The pedicle screw and the accommodating head are connected via a conical collet chuck in the accommodating head and by a spherical head on the pedicle screw. The present invention allows engagement of the pedicle screw in the accommodating head after the pedicle screw has been inserted into bone.
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