Tissue discrimination and applications in medical procedures
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United States of America Patent
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May 23, 2006
Issued Date -
N/A
app pub date -
Mar 29, 2004
filing date -
May 18, 2000
priority date (Note) -
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Abstract
A system and method for discriminating tissue types, controlling the level of therapy to tissue, and determining the health or a known tissue by measuring the characteristics an electrical signal applied to conductive element located within or by the tissue. Additionally, the system and method may be used for determining whether the conductive tip of a pedicle probe or pedicle screw is located in one of cortical bone, cancellous bone, and cortical bone near a boundary with soft tissue, whether the conductive tip of a cannula is located adjacent to one of nerve tissue and annulus tissue, and whether the conductive tip of a cathode is located adjacent to one of nerve tissue and prostate gland tissue.
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