Fluid transfer system and blood cell counter including the same

Details Fluid transfer system and blood cell counter including the same Fluid transfer system and blood cell counter including the same

1997-01-28

1999-03-09

Freay, Charles G.

Pumps

Expansible chamber type

Having separate noncyclic valve

417475, 4174771, F04B 2300

Patent

active

058791426

ABSTRACT:
A fluid transfer system employing a roller pump for squeezing an elastically deformable tube by a roller to allow fluid to be transferred from a transfer source to a transfer destination, said fluid transfer system being characterized by comprising: a short-cut passageway connecting between an inlet passageway and an outlet passageway of said tube fitted onto said roller pump; and a passageway switching means for selectively bringing fluid into fluid communication with said short-cut passageway.

REFERENCES:
patent: 3819303 (1974-06-01), Pfleger
patent: 4834630 (1989-05-01), Godwin
patent: 5052900 (1991-10-01), Austin
patent: 5674058 (1997-10-01), Matsuda et al.

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