| 摘要 |
PROBLEM TO BE SOLVED: To provide a new heating element for magnetic thermotherapy. SOLUTION: When a ferrite fine-grain dispersed liquid is prepared by dispersing ferrite fine-grains of grain diameters of 10 to 25 nm in sodium alginate solution and the ferrite fine-grain dispersed liquid is dripped to calcium chloride solution using an ink-jet nozzle, alginic acid gel grains containing a plurality of ferrite fine-grains are formed and are used as the heating element for the magnetic thermotherapy. The heating element for the magnetic thermotherapy includes high biocompatibility, biodegradability, additionally, and high heating efficiency. The grain diameters are freely controlled, and the heating element is manufactured inexpensively, simply and easily. COPYRIGHT: (C)2011,JPO&INPIT
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