Hydrophobic valve

Details Hydrophobic valve Hydrophobic valve

1975-11-03

1976-11-23

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

55159, 128214C, 137183, A61M 514

Patent

active

039930629

ABSTRACT:
A hydrophobic valve for use with liquids, such as liquids for intravenous administration comprising a housing provided with inlet and outlet means, both of which communicate with the housing, a resilient, inflatable boot mounted in the housing and positioned to block the flow of liquid through the outlet means when inflated and to permit the flow of liquid through the outlet means when in a deflated position, with the boot including an open portion adjacent to the inlet means which is covered by a hydrophobic filter element capable of repelling liquid but permitting the passage of gases, such as air, therethrough whereby liquid introduced to the housing through the inlet means is passed through the housing for discharge from the outlet means and any air introduced with the liquid is passed through the hydrophobic filter into the boot to stop the flow of liquid from the outlet means when the boot is inflated with the gas.

REFERENCES:
patent: 3012569 (1961-12-01), Wooldridge et al.
patent: 3384089 (1968-05-01), Shriner
patent: 3631654 (1972-01-01), Riely et al.
patent: 3854907 (1974-12-01), Rising

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