Surgery – Blood drawn and replaced or treated and returned to body
Patent
1990-07-09
1992-05-26
Hafer, Robert A.
Surgery
Blood drawn and replaced or treated and returned to body
604 5, 604 6, 210264, A61M 3700
Patent
active
051163071
ABSTRACT:
The method and system for the extracorporeal or extravascular treatment of blood employs diethyl ether for killing HIV cells in the blood. In practicing the method with the system, blood is withdrawn from one arm of a patient through a tubing to a container, e.g. a syringe barrel, where the blood is exposed to vaporized diethyl ether, which has been vaporized by heating, thereby to enable the diethyl ether to strip the viral envelope away from HIV cells attached to macrophages and dissolve the lipid layers thereof thereby to kill the HIV cells. The blood with ether is then passed through a manifold where a vacuum is drawn on the blood to remove most of the ether from the blood. The treated blood is then returned by a tubing and needle to the other arm of the patient. A blood thinner or anticoagulant preferably is given first to the patient orally or intravenously. Also preferably an electrical pulse is supplied to the arm of the patient upstream of the point where blood is removed for the purpose of inhibiting the clumping of the infected white blood cells to non-infected white blood cells thereby to force the HIV cells, or macrophages containing HIV cells, into the blood stream so that they are more vulnerable to being destroyed by the ether. Further, if desired, new blood can be introduced into the patient's other arm with the returned treated blood to provide "make up" blood cells for blood cells that may have been destroyed by the ether.
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patent: 4855064 (1989-08-01), Schlein
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Hafer Robert A.
Owens Kerry
Vigil Thomas R.
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