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Reduction of catheter electrode loading
专利权人:
Yoav Lichtenstein
发明人:
Yoav Lichtenstein
申请号:
US12613109
公开号:
US08583215B2
申请日:
2009.11.05
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A method for position sensing includes inserting a probe having a first probe-electrode and a second probe-electrode into a body of a subject, and coupling body-surface electrodes to a surface of the body. Currents passing between the first probe-electrode and the body-surface electrodes are measured, using first circuitry coupled to at least the first probe-electrode and having a first electrical ground, and position coordinates of the probe are determined responsively to the measured currents. Second circuitry, having a second electrical ground, is coupled to at least the second probe-electrode, and the first electrical ground is isolated from the second electrical ground.
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