Nonpulsating iv pump and disposable pump chamber

Details Nonpulsating iv pump and disposable pump chamber Nonpulsating iv pump and disposable pump chamber

F - Mech Eng,Light,Heat,Weapons

04

B

103/32

F04B 43/02 (2006.01)

Patent

CA 1161693

ABSTRACT OF THE DISCLOSURE The present invention provides an integral disposable pumping chamber through which fluid is pumped from an inlet to an outlet, the integral disposable pumping chamber compris- ing a first portion of flexible plastic material and a second portion forming a sealed main flow passage therebetween which extends between the inlet and the outlet and a flange general- ly surrounding the main flow passage, wherein the sealed main flow passage includes a first flexible rolling diaphragm pump- ing chamber and a second flexible rolling diaphragm pumping chamber, wherein the second flexible rolling diaphragm pumping chamber is positioned between the first flexible rolling dia- phragm pumping chamber and the outlet, wherein the first por- tion of flexible plastic material has a first flexible rolling diaphragm extending outward from the flange to form a portion of the first flexible rolling diaphragm pumping chamber, and wherein the first portion has a second flexible rolling diaphragm extending outward from the flange to form a portion of the second flexible rolling diaphragm pumping chamber.

416527

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