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Drug delivery via therapeutic hydrogels

  • US 6,132,765 A
  • Filed: 04/15/1997
  • Issued: 10/17/2000
  • Est. Priority Date: 04/12/1996
  • Status: Expired due to Fees
First Claim
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1. A medical device comprising:

  • a. a polymeric liquid conduit having an external surface;

    b. a gelatin hydrogel matrix material; and

    c. a therapeutic agent encapsulated in a liposome and confined within said matrix material,wherein said matrix material is affixed to the external surface of said polymeric liquid conduit by a plurality of covalent bonds.

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