Multiple flow rate selection valve

Details Multiple flow rate selection valve Multiple flow rate selection valve

2007-06-19

2007-06-19

McCorkle, Melissa A. (Department: 3763)

Surgery

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

Material introduced into and removed from body through...

C604S246000, C604S247000, C604S248000

Reexamination Certificate

active

11026199

ABSTRACT:
A flow rate selection valve includes a gate cylinder having a gate cylinder rotational axis and having at least two flow rate determining passageways and passing laterally through the gate cylinder at orientations angularly displaced from each other and having cylinder rotation structure; and a valve housing containing a flow passageway and having a cylinder receiving bore intersecting the flow passageway into which the gate cylinder is rotatably and sealingly mounted, the gate cylinder dividing the flow passageway into a passageway inlet end and a passageway outlet end, the flow passageway containing a passageway registration barrier extending across the flow passageway and sealingly abutting the gate cylinder and having several flow ports with different minimum diameters, each flow port positioned to register with one of the flow rate determining passageway.

REFERENCES:
patent: 5098407 (1992-03-01), Okamura
patent: 5478318 (1995-12-01), Yoon
patent: 6142980 (2000-11-01), Schalk
patent: 6953450 (2005-10-01), Baldwin et al.

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