Spinal surgery guidance platform
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United States of America Patent
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-
Mar 11, 2003
Issued Date -
N/A
app pub date -
Mar 19, 2001
filing date -
Jun 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of positioning a cannula along a path in a patient's intervertebral plane, comprising: suspending a cross member across a patient, the cross member having two cannula guides attached thereto, the cannula guides each being adjustably movable both along the length of the cross member and around a central longitudinally extending axis of the cross member; suspending radiopaque markers from the cannula guides; aligning the radiopoaque markers with the intervertebral plane as viewed in a radio-image, thereby aligning the cannula guides with the intervertebral plane; and advancing a cannula through the cannula guide.
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