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Closed-loop drug delivery system

  • US 20030171711A1
  • Filed: 03/06/2002
  • Published: 09/11/2003
  • Est. Priority Date: 03/06/2002
  • Status: Active Grant
First Claim
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1. A drug delivery system capable of delivering an effective amount of a drug to a subject, comprising:

  • a delivery pump having a chamber capable of housing at least one drug;

    a delivery conduit connected to the pump and adapted to extend into a tissue site in the subject, the delivery conduit being effective to deliver the drug from a distal end thereof to the tissue site;

    a sensor, implantable within a subject, and capable of providing a sensor output signal representative of a sensed biochemical parameter; and

    a control unit in communication with the sensor and the pump, wherein the control unit to receives the sensor output signal and communicates a delivery signal to the pump to deliver the drug at a rate and for a duration effective to achieve a desired biochemical parameter within a predetermined range.

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