Bypass valve

Details Bypass valve Bypass valve

2011-04-26

2011-04-26

Mendez, Manuel A. (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

C604S250000

Reexamination Certificate

active

07931612

ABSTRACT:
An intravenous fluid administration apparatus may include a proximal conduit having a spiked first end for attaching to a reservoir of fluid and a second end, a distal conduit, an intermediate conduit network providing fluid communication from the proximal conduit's second end to the distal conduit and including first and second constituent conduits that provide parallel paths from the proximal conduit to the distal conduit, a flow regulator so engaged with the first constituent conduit as to enable control of fluid flow therethrough, and a pressure-responsive valve so interposed in the second constituent conduit as to permit flow from the proximal conduit to the distal conduit through the second constituent conduit when a fluid pressure difference across the valve exceeds a threshold and to prevent such flow when the difference does not exceed the threshold.

REFERENCES:
patent: 4248223 (1981-02-01), Turner et al.
patent: 5910135 (1999-06-01), Hadzic et al.
International Search Report for PCT/2006/024864.
Written Opinion for PCT/2006/024864.

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