Targeted hysteresis hyperthermia as a method for treating diseased tissue
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United States of America Patent
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Dec 26, 2000
Grant Date -
N/A
app pub date -
Nov 9, 1998
filing date -
May 10, 1996
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Abstract
A method for site specific treatment of diseased tissue in a patient, comprising the steps of: (i) selecting at least a magnetic material which has a magnetic heating efficiency of at least about 4.5.times.10.sup.-8 J.m./A.g, when magnetic field conditions are equal to or less than about 7.5.times.10.sup.7 A/s; (ii) delivering the magnetic material to diseased tissue in a patient; and (iii) exposing the magnetic material in the patient to a linear alternating magnetic field with a frequency of greater than about 10 kHz and a field strength such that the product of field strength, frequency and the radius of the exposed region is less than about 7.5.times.10.sup.7 A/s to generate hysteresis heat in the diseased tissue.
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