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Implantable drug delivery devices

  • US 9,381,299 B2
  • Filed: 12/02/2013
  • Issued: 07/05/2016
  • Est. Priority Date: 02/17/2009
  • Status: Active Grant
First Claim
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1. A refill container for refilling an implantable drug delivery device comprising:

  • a. a tubular housing with inner wall surface having first opening and second opening, said tubular housing containing a drug fluid,b. a needle being attached to the second opening, said needle being in flow communication with the tubular housing,c. a disc situated inside said tubular housing in slidable sealing fit with an inner wall surface, said disc not accessible from outside the housing and being only movable following the flow direction toward the needle when the drug fluid is being removed from the housing through the needle, said disc being exposed to ambient pressure through the first opening.

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