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Swabbable valve assembly

  • US 6,036,171 A
  • Filed: 10/19/1998
  • Issued: 03/14/2000
  • Est. Priority Date: 09/17/1997
  • Status: Expired due to Term
First Claim
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1. A valve engageable with an instrument, said valve comprising:

  • a valve body;

    a deformable stem located in said valve body and shiftable therein, said stem having an aperture configured such that when the instrument is engaged with said aperture in said stem, said stem shifts within said valve body and said aperture deforms to allow liquid to flow therethrough to or from the instrument;

    a plug member in said stem, said plug member shiftable to a position of generally sealed engagement with said stem while the instrument is still engaged with said aperture in said stem.

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