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Skeletal tissue stimulator and a low voltage oscillator circuit for use therein

  • US 4,665,920 A
  • Filed: 11/28/1984
  • Issued: 05/19/1987
  • Est. Priority Date: 11/28/1984
  • Status: Expired due to Fees
First Claim
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1. An implantable low voltage oscillator circuit, capable of being coupled to a portion of the body which body acts as a load to said circuit, comprising:

  • a battery having a first terminal and a second terminal;

    an oscillator having a first state and a second state and being operatively coupled to said first terminal of said battery;

    capacitive storage means operatively coupled between said oscillator and said second terminal of said battery for controlling the oscillation of said oscillator;

    charge means operatively coupled to said capacitive storage means, said charge means for charging said capacitive storage means when said oscillator is in said first state; and

    discharge means operatively coupled to said capacitive storage means and capable of being coupled to said load, said discharge means for discharging said capacitive storage means through said load when said oscillator means is in said second state;

    said capacitive storage means and said load being the only current paths to or from said second terminal of said battery.

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