Patent Number: 6,167,313

Title: Targeted hysteresis hyperthermia as a method for treating diseased tissue

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.

Inventors: Gray; Bruce Nathaniel (Claremont, AU), Jones; Stephen Keith (Scarborough, AU)

Assignee: Sirtex Medical Limited

International Classification: A61K 41/00 (20060101); A61K 9/50 (20060101); A61N 1/40 (20060101); A61F 002/00 ()

Expiration Date: 12/26/2017