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Diffusion barrier layer for implantable devices

  • US 6,663,662 B2
  • Filed: 12/28/2000
  • Issued: 12/16/2003
  • Est. Priority Date: 12/28/2000
  • Status: Expired due to Term
First Claim
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1. A stent, comprising a coating containing particles, wherein the particles are configured to remain in the coating during the release of an active ingredient to reduce a rate of release of the active ingredient from the coating after the stent is implanted in a passageway.

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