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Anti-microbial coating for medical devices

  • US 5,681,575 A
  • Filed: 05/07/1993
  • Issued: 10/28/1997
  • Est. Priority Date: 05/19/1992
  • Status: Expired due to Term
First Claim
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1. A medical device intended for use in contact with an alcohol or water based electrolyte having an anti-microbial coating on its surface, comprising:

  • a medical device formed of a substantially bioinert structural material; and

    an anti-microbial coating formed on the surface of the medical device, said coating being formed from one or more anti-microbial metals and having sufficient atomic disorder such that the coating, in contact with an alcohol or water based electrolyte, releases ions, atoms, molecules or clusters of the anti-microbial metal into the alcohol or water based electrolyte at a concentration sufficient to provide a localized anti-microbial effect on a sustainable basis.

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