Method and apparatus for tracking a medical instrument based on image registration
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United States of America Patent
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Aug 24, 2004
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N/A
app pub date -
Jun 26, 2001
filing date -
Jun 27, 2000
priority date (Note) -
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Abstract
An apparatus, method and system for tracking a medical instrument, as it is moved in an operating space to a patient target site in the space, by constructing a composite, 3-D rendition of at least a part of the operating space based on an algorithm that registers pre-operative 3-D diagnostic scans of the operating space with real-time, stereo x-ray or radiograph images of the operating space. The invention has particular utility in tracking a flexible medical instrument and/or a medical instrument that moves inside the patient's body and is not visible to the surgeon.
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