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Controlled-release drug delivery system

  • US 20050019400A1
  • Filed: 01/26/2004
  • Published: 01/27/2005
  • Est. Priority Date: 01/27/2003
  • Status: Abandoned Application
First Claim
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1. An article comprising a controlled-release drug delivery system, said system comprising:

  • an inflexible sleeve, wherein said inflexible sleeve has a first end and a second end and is open at both said first and second ends; and

    a first controlled-release layer and a second controlled-release layer, wherein said controlled-release layers;

    are disposed within said sleeve;

    are spaced-apart from one another, defining a drug-retaining region in the space between said controlled-release layers; and

    admit, in a controlled manner, body fluid into said drug-retaining region.

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