Method and apparatus for collecting and processing physical space data for use while performing image-guided surgery
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United States of America Patent
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Jun 24, 2003
Grant Date -
Jan 2, 2003
app pub date -
Jun 27, 2001
filing date -
Jun 27, 2001
priority date (Note) -
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Abstract
A method and apparatus for collecting and processing physical space data used while performing image-guided surgery is disclosed. Physical space data is collected by probing physical surface points of surgically exposed tissue. The physical space data provides three-dimensional (3-D) coordinates for each of the physical surface points. Based on the physical space data collected, point-based registrations used to indicate surgical position in both image space and physical space are determined. The registrations are used to map into image space, image data describing the physical space of an ablative instrument used to perform the image-guided surgery, an ablation zone of the instrument, the surgically exposed tissue, and a particular portion of the tissue to be resected or ablated. The image data is updated on a periodic basis.
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