Method for local heating by means of magnetic particles

Details Method for local heating by means of magnetic particles Method for local heating by means of magnetic particles

2007-11-27

2007-11-27

Johnson, III, Henry M. (Department: 3739)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Thermal applicators

C600S009000, C600S012000, C128S898000, C606S027000

Reexamination Certificate

active

10525170

ABSTRACT:
The invention relates to a method as well as to a system for the local heating of a target region of an object by varying the magnetization of magnetic or magnetizable substances. A magnetic field is then generated whose magnetic field strength varies in space in such a manner that a first sub-region (301) of low magnetic field strength and a second sub-region (302) which encloses the first sub-region and has a higher magnetic field strength are formed in the target region. Subsequently, the position in space of the two sub-regions in the target region is varied with a given frequency for so long that the particles are heated to a desired temperature due to frequent variation of the magnetization.

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