Volumetric fluid withdrawal system

Details Volumetric fluid withdrawal system Volumetric fluid withdrawal system

1986-12-05

1988-08-30

Rosenbaum, C. Fred

Surgery

Blood drawn and replaced or treated and returned to body

Constituent removed from blood and remainder returned to body

604 6, 604 28, 210646, 210651, 2104161, 210929, A61M 3700

Patent

active

047673990

ABSTRACT:
A system for withdrawing a predetermined volume of fluid from a patient comprises a filter assembly which is connected in line for fluid communication between an artery and a vein of the patient. A pump having a fluid chamber is connected in fluid communication with a filtrate port of the filter. Operation of the pump causes the withdrawal of fluid from the filter and into the pump chamber at a preselected volumetric rate. Periodically, the pump is cycled to expel the withdrawn fluid from the pump chamber. The system further comprises a fluid collection device for collecting the expelled fluids and may include means for replenishing fluids to the patient.

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