Centrifugal plasmapheresis device

Details Centrifugal plasmapheresis device Centrifugal plasmapheresis device

1982-11-22

1985-07-30

Rosenbaum, C. Fred

Surgery

Blood drawn and replaced or treated and returned to body

Constituent removed from blood and remainder returned to body

210927, 494 18, 494 13, 494 14, 494 21, 494 23, A61M 500, B04B 502

Patent

active

045319324

ABSTRACT:
The device comprises a single needle circuit having lines for admitting whole blood drawn from a patient to a continuously rotating rotor, re-introducing red cells and collecting plasma, the lines being respectively connected to the three outlets of a coupling static block rigidly attached to the rotor, two photocell-lightsource assemblies being further provided for automatically cyclically switching over the blood pick up and red cells introduction steps in the device steady state condition of operation.

REFERENCES:
patent: 3993560 (1976-11-01), Halpern
patent: 4010894 (1977-03-01), Kellogg et al.
patent: 4098456 (1978-07-01), Bayham
patent: 4146172 (1979-03-01), Cullis et al.
patent: 4151844 (1979-05-01), Cullis et al.
patent: 4256696 (1981-03-01), Soodak
patent: 4402680 (1983-09-01), Schoendorfer
patent: 4414108 (1983-11-01), Ito

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