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An energy converting system that can function for years without maintenance is required for the drive of a left ventricular assist device (LVAD). To meet the requirements of safety, the energy converter should have a simple design with few moving elements. The design applied herein has only one moving part and thus has greater inherent safety than competing systems. The only moving part is the rotor unit, comprised of the impeller of a centrifugal pump, the rotor of an electric motor, and the rotor of an electric axial actuator. A reversal of flow of the transmitter fluid can be achieved with an axial shift of this rotor unit. This fluid acts on the outer surface of a blood chamber and enables it to draw in blood and to expel it. Valves direct the flow of blood. The energy converter performs a flow of 12 L/min at a motor speed of 6,000 rpm against a pressure head of 115 mm Hg according to an output of the pulsatile blood pump of 5 L/min.
K Affeld, and
A Bailleu, and
A Buss, and
J Diluweit, and
U Friedrichsen, and
J Gadischke, and
R Hanitsch, and
R Hetzer, and
A Huber, and
J Kähler
January 1992,
ASAIO journal (American Society for Artificial Internal Organs : 1992),
K Affeld, and
A Bailleu, and
A Buss, and
J Diluweit, and
U Friedrichsen, and
J Gadischke, and
R Hanitsch, and
R Hetzer, and
A Huber, and
J Kähler
January 1991,
ASAIO transactions,
K Affeld, and
A Bailleu, and
A Buss, and
J Diluweit, and
U Friedrichsen, and
J Gadischke, and
R Hanitsch, and
R Hetzer, and
A Huber, and
J Kähler
November 2015,
JACC. Heart failure,
K Affeld, and
A Bailleu, and
A Buss, and
J Diluweit, and
U Friedrichsen, and
J Gadischke, and
R Hanitsch, and
R Hetzer, and
A Huber, and
J Kähler
November 1991,
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U Friedrichsen, and
J Gadischke, and
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A Huber, and
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March 2002,
The New England journal of medicine,
K Affeld, and
A Bailleu, and
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R Hetzer, and
A Huber, and
J Kähler
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The New England journal of medicine,
K Affeld, and
A Bailleu, and
A Buss, and
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U Friedrichsen, and
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March 2002,
The New England journal of medicine,
K Affeld, and
A Bailleu, and
A Buss, and
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U Friedrichsen, and
J Gadischke, and
R Hanitsch, and
R Hetzer, and
A Huber, and
J Kähler
March 2002,
The New England journal of medicine,
K Affeld, and
A Bailleu, and
A Buss, and
J Diluweit, and
U Friedrichsen, and
J Gadischke, and
R Hanitsch, and
R Hetzer, and
A Huber, and
J Kähler
April 2014,
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K Affeld, and
A Bailleu, and
A Buss, and
J Diluweit, and
U Friedrichsen, and
J Gadischke, and
R Hanitsch, and
R Hetzer, and
A Huber, and
J Kähler
January 2000,
ASAIO journal (American Society for Artificial Internal Organs : 1992),
