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Handwashing technique analysis

  • US 5,900,067 A
  • Filed: 07/11/1997
  • Issued: 05/04/1999
  • Est. Priority Date: 05/16/1995
  • Status: Expired due to Term
First Claim
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1. A method for evaluating a person'"'"'s handwashing technique comprising the steps of:

  • adding an invisible detection agent to a soap or detergent based handwashing medium, wherein said invisible detection agent is phosphorescent;

    applying the handwashing medium containing the invisible phosphorescent detection agent to the person'"'"'s hands;

    moving the person'"'"'s hands into contact with one another in accordance with the handwashing technique of the person so as to spread said handwashing medium over both hands of the person;

    rinsing both hands in water so as to remove said handwashing medium from the hands; and

    viewing the person'"'"'s hands in reduced light for determining the presence of any of said detection agent on the hands indicating an unwashed portion of the hands.

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