Y-site medical valve
First Claim
Patent Images
1. A medical valve, comprising:
- a valve body having a central fluid passageway defined therein;
a movable piston located within said central fluid passageway;
a first annular seal mounted on said valve body and engaging said movable piston; and
a second annular seal mounted on said valve body and engaging said movable piston, said second annular seal having a first sealing surface defining a face seal surface engaging said movable piston and a second sealing surface, angled with respect to said first sealing surface, engaging said movable piston.
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Abstract
A medical valve includes a valve body having a central fluid passageway defined therein. A movable piston adapted in size and shape to be located within said central fluid passageway of said valve body. A sealing interface is defined between said movable piston and said central fluid passageway. An upper seal is located at an upper portion of said sealing interface. It is formed by a seal carried by said valve body. A lower seal is located at a lower portion of said sealing interface, and is formed by a seal carried by said movable piston. The lower seal remains intact until after said upper seal is broken.
182 Citations
5 Claims
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1. A medical valve, comprising:
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a valve body having a central fluid passageway defined therein; a movable piston located within said central fluid passageway; a first annular seal mounted on said valve body and engaging said movable piston; and a second annular seal mounted on said valve body and engaging said movable piston, said second annular seal having a first sealing surface defining a face seal surface engaging said movable piston and a second sealing surface, angled with respect to said first sealing surface, engaging said movable piston. - View Dependent Claims (2, 3, 4, 5)
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Specification