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Flash sterilization with plasma

  • US 5,178,829 A
  • Filed: 08/31/1990
  • Issued: 01/12/1993
  • Est. Priority Date: 03/08/1989
  • Status: Expired due to Term
First Claim
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1. A method for flash sterilization with plasma gases range comprisinga) exposing an unpackaged article in a sterilizing chamber to a gas plasma flowing from a plasma generating chamber until the temperature in the sterilizing chamber rises to a preselected maximum temperature of at least 100°

  • C.;

    b) terminating flow of the gas plasma to the sterilizing chamber until the temperature in the sterilizing chamber falls to a preselected temperature below the preselected maximum temperature; and

    c) repeating steps (a) and (b) until sterilization of the article as defined by a preselected probability of survivors is effected.

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