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Abstract

A corona discharge beam thermotherapy system for veterinary applications adapted to project the beam onto the skin surface of an animal overlying a problem region, the beam serving to relieve pain and to obtain other beneficial effects. The system includes an energy-generating unit having a power in excess of 25 watts in which a radio-frequency carrier is overmodulated by an audio frequency signal to produce periodic bursts of radio-frequency energy whose repetition rate corresponds to the frequency of the signal. The output of the unit is fed by a flexible coaxial cable to a tank circuit tuned to the carrier frequency and housed within the barrel of a portable applicator gun. Supported within the barrel and coupled to the tank circuit is a discharge electrode whose tip is adjacent the mouth of the barrel. The electrode is formed by a helical wire, one end of which is coupled to the tank circuit, the other end defining the tip. The length of the wire is such as to create an antenna from which substantially all of the energy supplied thereto is radiated from the tip to create a corona beam of high strength that is effective in treating animals.

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First Claim