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 Medical ultrasonic generator

Details
Inventors: Noda, Kenichi; Yayama, Toshihiko; Matsumoto, Etsuo;
Assignee: TEN Kabushiki Kaisha (Nagoya, JP)
Primary Examiner: Ramirez; Nestor
Assistant Examiner: Mullins; B
Attorney, Agent or Firm: Frishauf, Holtz, Goodman, Langer & Chick, P.C.

A medical ultrasonic generator having an ultrasonic radiator wound with coils connected to a high-frequency oscillator, when the radiator is provided with a sintered element consisting essentially of Ni--Zn having a thickness of 8 to 20 mm. The ferrite element can effectively apply the ultrasonic oscillation to a human body to improve the effect of medical treatment. Further, the medical ultrasonic generator is superior in terms of workability as a medical treatment because of its ability to effectively apply the ultrasonic oscillation to the affected part even through the clothing worn by a patient.

DETAILED DESCRIPTION The present invention has been developed by observing the above-described characteristics of the ferrite material to absorb electromagnetic waves, and an object of the present invention is to provide a medical ultrasonic generator which can improve the effect of medical treatment absorbing electromagnetic waves radiating from a human body.
It is another object of the present invention to provide a medical ultrasonic generator which can improve an affected body part by effective application of ultrasonic oscillation to an affected body part even through worn clothing by a patient.
To accomplish those objects, the medical ultrasonic generator of the present invention comprises an ultrasonic radiator wound with coils connected to a high-frequency oscillator wherein the radiator is provided with a sintered ferrite element consisting essentially of Ni-Zn having a thickness of 8 to 20 mm.
When the coils are energized with high-frequency pulse current to generate ultrasonic oscillation from the radiator, the ultrasonic oscillation is amplified by the ferrite element to be transformed into ultrasonic waves that are readily absorbed in the affected body part.


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