Apparatus and method for noninvasive microwave heating of tissue
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United States of America Patent
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Apr 2, 1996
Grant Date -
N/A
app pub date -
Mar 10, 1994
filing date -
Mar 10, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for noninvasively locating and heating a volume of tissue, specifically a cancerous tumor, including placing a bolus in contact with the patient and substantially around an area of interest including the volume of tissue, placing an array of antennas on the bolus and substantially around the area of interest, imaging the area of interest, selecting an approximate center of the volume of tissue on said initial image, determining appropriate amplitudes and phases for the antennas, energizing each element at respective appropriate amplitudes and phases to heat the volume of tissue, repetitively imaging the area of interest to create subsequent images, and subtracting said initial image from the subsequent images to determine temperature changes in the area of interest.
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