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Implantable drug delivery systems and methods

  • US 20040220552A1
  • Filed: 12/23/2003
  • Published: 11/04/2004
  • Est. Priority Date: 12/23/2002
  • Status: Active Grant
First Claim
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1. An implantable drug delivery system comprising:

  • an implantable pump assembly;

    two or more implantable reservoirs operably connected to the implantable pump assembly;

    a catheter connection port adapted to attach a catheter to the drug delivery system; and

    a reservoir switching valve assembly between the two or more implantable reservoirs and the catheter connection port, wherein the two or more implantable reservoirs can be selectively connected to the catheter connection port.

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