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Bioactive agent release coating

  • US 6,890,583 B2
  • Filed: 11/21/2001
  • Issued: 05/10/2005
  • Est. Priority Date: 04/27/1998
  • Status: Expired due to Term
First Claim
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1. A method of preparing a medical device coated with a composition, the method comprising the steps of providing a composition comprising a bioactive agent in combination with a plurality of hydrophobic polymers, including a first polymer component comprising at least one poly(alkyl)(meth)acrylate having alkyl chain lengths from 2 to 8 carbons and a second polymer component comprising poly(ethylene-vo-vinyl acetate) having vinyl acetate concentrations of between about 10% and about 50% by weight, in a manner that permits the coated surface to release the bioactive agent over time when implanted in vivo, and applying the composition to the medical device.

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