Hemodialysis system with ejector-powered dialysate flow

Details Hemodialysis system with ejector-powered dialysate flow Hemodialysis system with ejector-powered dialysate flow

A - Human Necessities

61

M

182/13

A61M 1/16 (2006.01)

Patent

CA 1077402

TITLE OF THE INVENTION Hemodialysis System ABSTRACT OF THE DISCLOSURE A hemodialysis system for use with any type of dialyzer, such as coil-type, Kiil-type and capillary- type or hollow fiber-type dialyzers, which comprises a fluid circulation circuit and a bypass circuit short- circuiting the fluid circulation circuit. At one junction between the fluid circulation circuit and the bypass circuit, an ejector is employed. The ejector has a nozzle, a diffuser axially aligned with the nozzle and defining an orifice and a suction chamber communicated to the ori- fice. During circulation of the dialysate in the circulation circuit and from the nozzle onto the diffuser of the ejector, a negative gauge pressure is developed in the suction chamber so that the dialysate can be drawn through the bypass circuit. The circulation circuit and the bypass circuit have respective coupling assemblies for removable connection with the coil-type dialyzer and with the Kiil-type or capillary-type, or hollow fiber-type, dialyzer. -1-

252754

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