Surgical navigation system including patient tracker with removable registration appendage
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United States of America Patent
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Jul 7, 2009
Grant Date -
Nov 1, 2007
app pub date -
Apr 16, 2007
filing date -
Apr 14, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A surgical navigation system includes a CT scanner that takes a plurality of x-ray images of a patient. A patient tracker including locators is attached to the patient, and a registration appendage is removably secured to the patient tracker in a known position and orientation. The registration appendage includes radio-opaque markers arranged in a predetermined geometric pattern. The registration appendage is viewable in a CT scan in situations where the locators of the patient tracker are outside of a field of view of the CT scanner.
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