Automatic priming of blood sets

Details Automatic priming of blood sets Automatic priming of blood sets

1997-10-21

1999-09-14

Walker, W. L.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210646, 210188, 210252, 604325, B01D 1102

Patent

active

059518707

ABSTRACT:
A blood processing system such as a dialysis system may be primed by passing priming solution in a first direction of flow through at least one of the sets, to cause the priming solution to enter an in-line chamber carried by the one set in a flow direction that is retrograde to the normal direction of blood flow through the chamber. Preferably, the in-line chamber carries a filter. Simultaneously, one removes air from the one set through a port. In another, preferably simultaneous step of the process, one passes priming solution in the second, reverse direction of flow to the first direction, through the blood processing unit and connected sets for continuing to remove air from the system through the port, to complete priming of the system.

REFERENCES:
patent: 4293413 (1981-10-01), Schnell
patent: 4770787 (1988-09-01), Heath et al.
patent: 5041215 (1991-08-01), Chamberlain, Jr. et al.
patent: 5520640 (1996-05-01), Utterberg
patent: 5650071 (1997-07-01), Brugger et al.
patent: 5769815 (1998-06-01), Utterberg
patent: 5776338 (1998-07-01), Mari

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