Systems and methods for monitoring temperature during electrosurgery or laser therapy
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United States of America Patent
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Issued Date -
Feb 7, 2008
app pub date -
Aug 4, 2006
filing date -
Aug 4, 2006
priority date (Note) -
Abandoned
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Abstract
Systems that measure temperatures of tissue during electrosurgery or laser therapy of the tissue or organs is provided. One system provides a pyrometer that measures infrared electromagnetic energy emitted by a surface of a tissue or organ thereby determining a sub-surface temperature of the tissue or organ. The system further has an energy generator and an ablation electrode or laser probe that delivers energy from the energy generator to a tissue or organ, responsive to a sub-surface temperature determined by the pyrometer. The pyrometer can be calibrated using a luminescent material having known optical properties as a function of temperature. The luminescent material can be positioned on the surface of the tissue or organ or inserted directly into the tissue or organ using a catheter. Methods in which the surface or sub-surface temperature of the tissue is measured during therapy are also provided.
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