Piston for a needleless valve system
First Claim
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1. A needleless valve system comprising:
- a housing comprising a fluid port, and a piston comprising a base portion and a head portion, the head portion having a continuous top surface and compression features disposed on a periphery of head portion;
wherein the piston is disposed in the housing, the compression features are separated to form an opening between the compression features when the head portion is in a relaxed state, and the compression features are pressed together to close the opening when the head portion is not in a relaxed state.
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Abstract
A piston for a needleless valve system comprising a head portion configured to be disposed in the needleless valve system and controlling fluid flow through the needleless valve system. The head portion comprising a continuous top surface, and an opening disposed proximate the continuous top surface, wherein the continuous top surface is non-planar when the opening is in an open position.
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Citations
20 Claims
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1. A needleless valve system comprising:
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a housing comprising a fluid port, and a piston comprising a base portion and a head portion, the head portion having a continuous top surface and compression features disposed on a periphery of head portion; wherein the piston is disposed in the housing, the compression features are separated to form an opening between the compression features when the head portion is in a relaxed state, and the compression features are pressed together to close the opening when the head portion is not in a relaxed state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A needleless valve system comprising:
a housing comprising a fluid port, a piston, disposed in the housing, comprising a base portion and a head portion, the head portion having a continuous top surface, compression features disposed on a periphery of head portion, and an opening between the compression features when the head portion is in a relaxed state; wherein the compression features are separated to form the opening when the head portion is in a relaxed state and does not extend into the fluid port, and the compression features are pressed together to close the opening when the head portion extends into the fluid port. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
Specification