Tissue treatment system and method for tissue perfusion using feedback control
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United States of America Patent
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Mar 25, 2008
Issued Date -
N/A
app pub date -
Dec 18, 2003
filing date -
Dec 18, 2003
priority date (Note) -
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Abstract
A system, ablation probe, and method is provided for treating tissue, e.g., tissue having tumors. The treatment system is configured to automatically deliver infusaid to tissue when needed and comprises an ablation probe having an ablative element and at least one perfusion exit port. The system further comprises an ablation source operably coupled to the ablative element, and a pump assembly operably coupled to the perfusion exit port(s). The pump assembly is configured for pumping infusaid out through the perfusion exit port(s), preferably during the ablation process. The system further comprises a feedback device configured for controlling the amount of infusaid displaced by the pump assembly based on a sensed tissue parameter, e.g., tissue temperature or tissue impedance.
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