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Method and apparatus for cleaning a liquid dispensing probe

  • US 5,827,744 A
  • Filed: 07/11/1997
  • Issued: 10/27/1998
  • Est. Priority Date: 11/06/1995
  • Status: Expired due to Term
First Claim
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1. A method of cleaning a liquid sample probe using a wash body having an upper portion and lower portion with a bore closed at the lower portion, the wash body adapted to receive said sample probe thereby defining an annular gap between said bore and said sample probe, comprising the steps of:

  • introducing said sample probe into said bore;

    applying a wash liquid to the lower portion of said bore; and

    ,withdrawing said sample probe from said bore while subjecting the upper portion of said bore to a vacuum, thereby to create a flow of air only through the annular gap to clean only the exterior portion of the sample probe.

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