Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Fluid pressure responsive
Patent
1985-12-05
1987-08-04
Cintins, Ivars
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Fluid pressure responsive
210143, 2102572, 2103213, A61M 134
Patent
active
046844600
ABSTRACT:
This invention relates to a haemodialysis device comprising a dialyzer, a reservoir of dialyzate, a cartridge for regenerating the dialyzate and a positive displacement pump with one rotor which circulates the blood and the dialyzate in two separate circuits and the conduit going from the dialyzate reservoir to the dialyzer comprises a non-return valve and a pipe which is connected in by-pass downstream of said valve and which passes through a positive displacement pump with double direction of operation and which is automatically controlled by a regulation loop.
REFERENCES:
patent: 3990973 (1976-11-01), Boag et al.
patent: 4083777 (1978-04-01), Hutchisson
patent: 4162974 (1979-07-01), Pernic
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