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System of implantable devices for monitoring and/or affecting body parameters

  • US 6,208,894 B1
  • Filed: 03/25/1998
  • Issued: 03/27/2001
  • Est. Priority Date: 02/26/1997
  • Status: Expired due to Term
First Claim
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1. A system for stimulating body tissue internal to a patient'"'"'s body, said system comprising:

  • a plurality of addressable devices each comprised of a housing having an axial dimension of less than 60 mm and a lateral dimension of less than 6 mm and configured for injection into said patient'"'"'s body, each of said devices including circuitry operable in accordance with one or more controllable operating parameters to stimulate body tissue and including a battery having a capacity of at least one microwatt-hour;

    each of said addressable devices including an address storage means, a data signal transmitter and a data signal receiver; and

    a system control unit comprised of a housing configured for implantation in said patient'"'"'s body for controlling said controllable operating parameters, said system control unit comprising;

    a signal transmitter in said control unit housing for transmitting command signals including address information identifying at least one of said addressable devices and operating parameter information for controlling an operating parameter of the identified addressable device;

    a programmable controller in said control unit housing for producing command signals for transmission by said control unit signal transmitter to said addressable devices;

    a power supply in said control unit housing for providing operating power to said control unit signal transmitter, signal receiver, and programmable controller; and

    wherein said power supply has a capacity of at least one watt-hour.

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