Linking of an intra-body tracking system to external reference coordinates
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United States of America Patent
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Jun 3, 2003
Grant Date -
N/A
app pub date -
Apr 27, 2001
filing date -
Sep 16, 1999
priority date (Note) -
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Abstract
A method, and system for determining the position, and optionally, the orientation of a work piece such as a catheter within a cavity of an opaque body such as a patient. The position, and orientation are to be determined relative to a primary coordinate system, for example, the coordinate system of an imaging device. Using a primary reference transducer (210) that interacts with a primary field, and several secondary reference transducers (310) that interact with a secondary field, the coordinates of the secondary reference transducers are determined in the primary coordinate system.
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