Swabbable valve assembly
First Claim
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.
1 Assignment
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Accused Products
Abstract
Disclosed is a female-type valve engageable with a male component or instrument, where the valve includes a deformable stem which is located in a valve body and is shiftable therein to receive said instrument in sealed engagement. When an instrument is engaged with an aperture in the stem, the stem shifts in the valve body and the aperture deforms to seal against said instrument and allow liquid to flow through the stem, to or from the instrument. A plug member is carried by the stem, and the plug member can shift to a position of generally sealed engagement with the stem, or it can be displaced by the instrument to permit fluid flow. The plug can reseat upon initial retroactive movement of the instrument, while the instrument is still engaged with the aperture in the stem.
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Citations
20 Claims
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- a valve body;
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14. A valve engageable with an instrument having a tip portion, said valve comprising:
- a valve body;
a deformable stem located in said valve body in a compressed condition and shiftable from a first position, said stem having an aperture configured such that when the instrument tip is engaged with said aperture in said stem, said stem is urged from the first position and said aperture deforms to allow liquid to flow therethrough to or from the instrument;
a plug member disposed with a bore in the stem which generally seals with at least a portion of said stem when the valve is pressurized, but is capable of being displaced by said tip to unseat and permit fluid flow, yet will reseal as the instrument tip is being disengaged from said aperture in said stem. - View Dependent Claims (15, 16, 17, 18, 19, 20)
- a valve body;
Specification