Intraoperative blood salvaging system and method

Details Intraoperative blood salvaging system and method Intraoperative blood salvaging system and method

1997-06-16

1999-03-02

Kim, John

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

210 85, 210 86, 210 90, 210 97, 210103, 210104, 210108, 210111, 210142, 210143, 2101952, 210650, 210741, 210744, 210798, 210805, 604 4, 604 5, 604 6, 604 65, 604 67, B01D 6100, B01D 6118, A61M 100, A61M 134

Patent

active

058766111

ABSTRACT:
An apparatus is disclosed for salvaging a patient's own blood during intraoperative surgical procedures and reinfusing the blood, washed and filtered, to the patient substantially continuously, on-line and in real-time. The apparatus comprises suction means, admixing means for admixing aspirated blood with a washing fluid, filtering means for filtering the admixture through an emboli filter, monitoring means for measuring the amount of cellular component volume in the aspirated, filtered blood, filtration means for removing excess fluid and impurities from the blood, and reinfusion means for introducing the washed and filtered blood to the patient free of emboli. The apparatus is structured to introduce washing fluid to the aspirated blood in proportion to the measured hematocrit level of the blood that is aspirated. Methods are disclosed for priming of the system, cleaning and flushing the apparatus of blood clots and debris by means of reverse filtration and filtration of blood for reinfusion. Methods for automated control of the blood salvaging system and operation are also disclosed.

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