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Implantable refillable and ported controlled release drug delivery device

  • US 20020138068A1
  • Filed: 12/13/2001
  • Published: 09/26/2002
  • Est. Priority Date: 12/14/2000
  • Status: Active Grant
First Claim
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1. An implantable, refillable, rate controlled drug delivery device, comprising:

  • a base structure having at least a first opening and a second opening, the base structure defining a chamber;

    a septum covering the first opening and configured to substantially prevent leakage from the first opening to an exterior of the device;

    a drug delivery tube comprising a first and second distal end, wherein the first distal end of the tube communicates with the chamber through the second opening, and at least one rate-limiting permeable membrane disposed across a passage between the base structure and the second distal end of the drug delivery tube, which membrane passively regulates drug delivery.

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