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DETECTION TACTILE FONDEE SUR LA REPONSE EN FREQUENCE D'UN TISSU
专利权人:
BIOSENSE WEBSTER (ISRAEL); LTD.
发明人:
GOVARI, ASSAF
申请号:
CA3044179
公开号:
CA3044179A1
申请日:
2019.05.24
申请国别(地区):
CA
年份:
2019
代理人:
摘要:
A method includes measuring a first impedance-magnitudebetween a distal-electrode fitted at a distal end of amedical instrument in an organ of a patient and asurface-electrode attached externally to the patient, at a firstelectrical frequency. A second impedance-magnitude betweenthe distal-electrode and the surface-electrode, is measuredat a second electrical frequency. A difference between thefirst and second measured impedance-magnitudes iscalculated. Based on the calculated difference, anindication of, whether the distal-electrode is in physicalcontact with tissue or immersed in blood is decided, andoutputted.
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