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CAPSULE-TYPE DRUG-RELEASING DEVICE AND CAPSULE-TYPE DRUG-RELEASING DEVICE SYSTEM

  • US 20070071807A1
  • Filed: 09/28/2006
  • Published: 03/29/2007
  • Est. Priority Date: 09/28/2005
  • Status: Abandoned Application
First Claim
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1. A capsule-type drug release apparatus, comprising:

  • a housing in a shape of a capsule;

    a first ion exchange member capable of selectively passing an ion of a first polarity therethrough, the first ion exchange member being disposed on a surface of the housing in the shape of a capsule;

    a drug solution holding portion disposed in the housing and inside the first ion exchange member for holding a drug ion of the first polarity;

    a second ion exchange member disposed further inside the drug solution holding portion, the second ion exchange member being capable of selectively passing an ion of a second polarity therethrough, the second polarity different from the first polarity;

    an electrolyte solution holding portion disposed further inside the second ion exchange member;

    electrodes disposed further inside the electrolyte solution holding portion;

    an electric power source connected to the electrodes;

    a control portion capable of controlling energization/disenergization from the electric power source to the electrodes; and

    a receiving portion where the control portion receives a signal from the outside of an organism.

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