Tissue ablation apparatus and method of ablating tissue
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United States of America Patent
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Jul 1, 2014
Grant Date -
Jul 13, 2006
app pub date -
Nov 27, 2003
filing date -
Nov 27, 2002
priority date (Note) -
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Abstract
An apparatus and method for ablating tissue is disclosed. The apparatus comprises a source of microwave radiation (1), a probe (5) for directing the microwave radiation into tissue, one or more detectors for detecting the power and phase of the microwave radiation and an impedance adjuster (50) for adjusting impedance so as to minimize the amount of microwave radiation which reflected back through the probe. The detector or detectors use a local oscillator (230) to derive the phase information. A modulator for modulating the microwave radiation to a cutting frequency is also disclosed.
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