The DeBakey Ventricular By-Pass Pump
On April 21, 1966, Dr. Michael
DeBakey implanted a partial artificial heart
(which he invented) in the chest of 65-year-old
Marcel De Rudder.
De Rudder died four days later
from other causes, but his damaged heart valves
reportedly were beginning to heal.
Dr. DeBakey inserts by-pass pump in
patient's chest. Two tubes, attached to the left
atrium and the aorta, are already in place.
The surgery is completed, with pump in
DeBakey's device took over the function of
the left ventricle. When the diaphragm in the
device expands, blood from the left atrium fills
the chamber. This blood is then forced into the
aorta when the diaphragm contracts. The chamber's
two valves prvent any backflow of blood. The
power source for the unit is an external
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