Momentary high pressure valve

Details Momentary high pressure valve Momentary high pressure valve

2007-12-04

2007-12-04

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

C137S112000, C604S083000

Reexamination Certificate

active

11163660

ABSTRACT:
A valve (10) comprises a housing (12) with a valve element (14) which normally fluidicly couples a low pressure operating device, such as a transducer (30) and tubing (34) to be coupled to a patient (36) along a first flow path (42) including a flexible control wall (58) which normally interrupts a second flow path (72) between a high pressure generating source such as an injector syringe (32) and the tubing (34), but which flexes, in response to high pressure excursions from the syringe (32) to allow the second flow path (72) to open as it flexes into the first flow path (42) to thereby restrict same thus providing protection to the transducer (30) during the high pressure excursion from the syringe (32).

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