Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1978-10-16
1980-01-01
Richman, Barry S.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
422 46, 29526R, A61M 103
Patent
active
041808967
ABSTRACT:
A blood oxygenator having two separable components one of which is disposable and the other of which is reusable and sterilizable. The disposable portion of the oxygenator is multichambered and provides an oxygenating chamber, a defoaming chamber and an arterial reservoir constructed so that blood will flow sequentially therethrough. The reusable member is constructed in the form of a cover for the oxygenator and has depending therefrom a heat exchanger for maintaining the temperature of the blood, the heat exchanger projecting telescopically into the oxygenating chamber. Defoaming is assisted by a cellular foam material rolled into a generally cylindrical configuration and having abutting faces which are bias cut so that the line formed by the abutting faces is not coaxial with the blood flow path. The device is assembled by inserting the defoaming material into the defoaming chamber of the open-topped oxygenator, then telescopically inserting the heat exchanger into the oxygenating chamber while placing the cover on the top of the oxygenator and thereafter removably securing the cover to the oxygenator.
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patent: 4067696 (1978-01-01), Curtis
Cooley Denton A.
Reed Charles C.
Sharp Russell G.
Richman Barry S.
Texas Medical Products, Inc.
Workman H. Ross
Young J. Winslow
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