Method for registering a patient data set obtained by an imaging process in navigation-supported surgical operations by means of an x-ray image assignment
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United States of America Patent
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Mar 30, 2004
Grant Date -
Mar 14, 2002
app pub date -
May 8, 2001
filing date -
May 9, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for registering a patient data set obtained by an imaging process in camera navigation-supported surgical operations, comprising the following steps: producing a patient data set by means of a tomographic scan or an imaging process for the body of the patient or a part thereof, applying at least one marker array, identifiable and trackable in the navigation system, to at least one solid body structure, preferably a bone structure, after the patient has been brought into an operating room and during treatment, in particular after the area to be treated has been exposed, producing one or more x-ray images of the area to be treated by means of an x-ray unit, the spatial position of said images in the navigation system being determined, updating, by means of a computer-assisted assignment, the register of the patient data set with the positional data obtained from the x-ray image, and detecting and re-registering movements or relative movements in the area to be treated by tracking said marker array(s) in the navigation system.
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