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Responsive gastric stimulator

  • US 7,702,394 B2
  • Filed: 09/23/2004
  • Issued: 04/20/2010
  • Est. Priority Date: 05/01/2001
  • Status: Expired due to Fees
First Claim
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1. A method for treating a subject having a stomach with a stomach wall surrounding a cavity of the stomach, the method comprising:

  • implanting electronic circuitry within the subject;

    supporting a temperature sensor within the cavity of the stomach so as to measure a temperature within the cavity;

    electrically coupling a stimulating electrode to the wall of stomach;

    operatively coupling the circuitry to the temperature sensor;

    operatively coupling the circuitry to the stimulating electrode;

    sensing the temperature within the cavity of the stomach with the temperature sensor;

    determining, using the circuitry and in response to the sensed temperature, a rate of change of the temperature within the cavity of the stomach;

    identifying, using the circuitry and in response to the rate of change of the temperature within the cavity of the stomach, an ingestion of material by the subject; and

    stimulating the stomach by energizing the electrode using the circuitry in response to the identified ingestion of material by the subject.

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