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US 2003/0141477 A1Published application
Slit-type swabbable valve
AssigneeHalkey-Roberts Corporation
InventorPavel T. Miller
Life of this patent
Estimating the term…
Abstract
A valve which includes a stem having a slit at an end thereof. The valve stem is located in a valve body and is deformable. When a tip of an instrument is engaged with a slit in the stem, the stem shifts in the valve body, top portion folds inward, the slit seals against the instrument and allows liquid to flow through the stem, to or from the instrument. All components have circular cross sectional geometry.
Claims21
A slit-type swabable valve comprising:
- a valve body;
- and a resilient, deformable valve stem which is located in said valve body and is shiftable therein, said valve stem having an end and an exterior surface, said valve stem having a slit at said end and having a notch on said exterior surface, said notch providing a point of weakness, said notch configured to provide that, when the valve stem shifts in the valve body upon actuation of the valve, the valve stem buckles generally outwardly, at the notch, thereby providing increased flow volume within the valve stem.
A slit-type swabable valve comprising:
- a valve body;
- and a resilient, deformable valve stem which is located in said valve body and is shiftable therein, said valve stem having an end and an exterior surface, said valve stem having a slit at said end and having a notch on said exterior surface, said notch providing a point of weakness, said notch configured to provide that, when the valve stem shifts in the valve body upon actuation of the valve, the valve stem buckles generally outwardly, at the notch, thereby providing increased flow volume within the valve stem, wherein the valve stem is configured to collapse and fold inward generally about a fulcrum point which is located at an area of minimal wall thickness.
A slit-type swabable valve comprising:
- a valve body;
- and a resilient, deformable valve stem which is located in said valve body and is shiftable therein, said valve stem having an end and an exterior surface, said valve stem having a slit at said end and having a notch on said exterior surface, said notch providing a point of weakness, said notch configured to provide that, when the valve stem shifts in the valve body upon actuation of the valve, the valve stem buckles generally outwardly, at the notch, thereby providing increased flow volume within the valve stem, wherein the valve stem collapses and folds inward generally about a fulcrum point which is located at an area of minimal wall thickness, wherein both the valve body and valve stem are uniformly round and have a uniformly round cross-sectional profile.
Dependencies are inferred from the claim text.