Medical system and method of use
First Claim
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1. A method for thermally treating tissue comprising:
- providing a probe body having a flow channel extending therein to an outlet in a working end;
introducing a flow of a liquid media through the flow channel;
applying energy to the tissue by inductively heating a portion of the probe body sufficient to vaporize the media within the flow channel causing a pressurized ejection of a vapor media from the outlet to the tissue to apply thermal energy to the tissue; and
determining a vapor quality of the vapor media by measuring at least one parameter of the vapor media being ejected during the pressurized ejection of the vapor media to provide a feedback of the vapor quality.
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Abstract
An instrument and method for tissue thermotherapy including an inductive heating means to generate a vapor phase media that is used for interstitial, intraluminal, intracavity or topical tissue treatment. In one method, the vapor phase media is propagated from a probe outlet to provide a controlled vapor-to-liquid phase change in an interface with tissue to thereby apply ablative thermal energy delivery.
521 Citations
25 Claims
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1. A method for thermally treating tissue comprising:
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providing a probe body having a flow channel extending therein to an outlet in a working end; introducing a flow of a liquid media through the flow channel; applying energy to the tissue by inductively heating a portion of the probe body sufficient to vaporize the media within the flow channel causing a pressurized ejection of a vapor media from the outlet to the tissue to apply thermal energy to the tissue; and determining a vapor quality of the vapor media by measuring at least one parameter of the vapor media being ejected during the pressurized ejection of the vapor media to provide a feedback of the vapor quality. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A medical system for treating tissue, comprising:
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a probe body having a flow channel extending therein to an outlet in a working end; a coil about at least a portion or the flow channel; an electromagnetic energy source coupled to the coil, where the electromagnetic energy source induces current in the coil causing energy delivery to a flowable media in the flow channel allowing for pressurized ejection of the heated flowable media directly onto tissue; and a sensor configured to determine a vapor quality by measuring at least one parameter of the heated flowable media being ejected to provide a feedback of the vapor quality. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification