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Image-Guided Thermotherapy Based On Selective Tissue Thermal Treatment

  • US 20110029049A1
  • Filed: 04/29/2010
  • Published: 02/03/2011
  • Est. Priority Date: 04/29/2009
  • Status: Active Grant
First Claim
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1. A device for thermotherapy, comprising:

  • a catheter including a working channel configured for insertion into a passage of a body to reach a target tissue inside the body;

    an optical imaging module comprising (1) an imaging optic fiber having a portion inserted into the working channel and (2) an optical probe head coupled to an end of the imaging optic fiber and located inside the working channel, the optical imaging module operable to direct probe light to and collect reflected light from the target tissue in the body through the imaging optic fiber and the optical probe head and to obtain imaging information of the target tissue from the collected reflected light;

    a thermotherapy module having a power delivery waveguide having a portion inserted into the working channel to deliver thermal energy to the target tissue;

    a control unit that controls the optical imaging module to extract the imaging information from the collected reflected light, to obtain a spatial distribution of diseased locations of the target tissue, and to obtain a temperature map of the target tissue for thermotherapy based on the spatial distribution of the diseased locations of the target tissue, the control unit controlling the thermotherapy module to control a location and an amount of thermal energy delivery to each of the diseased locations based on the temperature map to perform thermotherapy.

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