Nerve movement and status detection system and method
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United States of America Patent
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Dec 31, 2002
Grant Date -
Jan 17, 2002
app pub date -
Jun 8, 2001
filing date -
Jun 8, 2000
priority date (Note) -
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Abstract
A method and system for detecting nerve status and relative movement between a nerve and a proximity electrode. The method determines relative movement between a nerve and a proximity electrode by applying multiple signals to a calibration electrode where the energy level of each signal induces a predetermined nerve response. The method also applies multiple signals to the proximity electrode where the energy level of each signal also induces a predetermined nerve response. Based on the variation of the energy level of signals required to induce predetermined nerve responses, the method may detect relative movement between a nerve and a proximity electrode and nerve status.
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