Externally valved shunt for cardiopulmonary bypass pump

Details Externally valved shunt for cardiopulmonary bypass pump Externally valved shunt for cardiopulmonary bypass pump

1983-07-18

1985-11-19

Frinks, Ronald L.

Surgery

Truss

Perineal

623 3, 417412, 417478, A61M 103, A61F 124

Patent

active

045535329

ABSTRACT:
To decrease hemolysis and reduce the cost of single use disposable tubing used during surgery, valve elements pivotally suspended in the bypass pump compression chamber respond to gravity and variations in fluid pressure within the shunt and act entirely on the exterior of the shunt to cyclically control blood flow therethrough. Interior valves for the shunt tubing are entirely eliminated.

REFERENCES:
patent: 3518033 (1970-06-01), Anderson
patent: 4143425 (1979-03-01), Runge

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