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Low-frequency electrotherapeutic device

  • US 5,133,351 A
  • Filed: 03/14/1990
  • Issued: 07/28/1992
  • Est. Priority Date: 08/27/1987
  • Status: Expired due to Fees
First Claim
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1. In a low-frequency electrotherapeutic device which comprises an oscillator capable of generating a low-frequency voltage and a pair of electrodes connected to an output terminal of said oscillator, the low-frequency voltage being applied to a human body through said pair of electrodes, the improvement wherein said low-frequency voltage has a ratio of positive voltage component to negative voltage component in the range of about 0.1:

  • 1-0.5;

    1 and in the low-frequency voltage its reverse energy is larger than forward energy thereof.

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