Heat surgery system monitored by real-time magnetic resonance profiling
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United States of America Patent
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May 3, 1994
Grant Date -
N/A
app pub date -
Mar 26, 1993
filing date -
Mar 26, 1993
priority date (Note) -
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Abstract
Surgery is performed with a pulsed heat-producing device that selectively heats a region in a specific tissue within a patient destroying the tissue. The pulsed heat-producing device may be a coherent optical source that is guided by laser fiber to the tissue to be destroyed. In another embodiment, the pulsed heat-producing device is a focussed ultrasound transducer which concentrates ultrasonic energy at a focal point within the specific tissue. A magnetic resonance imaging system employing a real-time temperature-sensitive pulse sequence monitors the heated region of the tissue to provide temperature profiles allowing an operator to alter the position and size of the heated region.
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