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Sustained delivery of an active agent using an implantable system

  • US 6,635,268 B2
  • Filed: 03/28/2002
  • Issued: 10/21/2003
  • Est. Priority Date: 02/02/1996
  • Status: Expired due to Term
First Claim
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1. An implantable device for delivering an active agent to a fluid environment of use for a predetermined administration period of at least 2 months, said device comprising a reservoir and a back-diffusion regulating outlet in mating relationship, wherein a flow path for the active agent comprises a pathway formed between the mating surfaces of the reservoir and the back-diffusion regulating outlet.

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