Deutsches Zentrum Fur Luft-Und Raumfahrt E.v.

Deutsches Zentrum Fur Luft-Und

Harald Wagner

Thomas Schmid

Wolfgang Schiller

Bernhard Vodermayer

Norbert Sporer

A heart support device for pulsatile delivery of blood comprising a first and a second ventricle and a pump. Both ventricles comprises a fluid chamber and a blood-conveying chamber, wherein each fluid chamber can be filled with a fluid or emptied by way of the pump in such a way that an expansion or contraction of the fluid chamber occurs. In an expansion of the fluid chamber of a ventricle, a compression of the blood-conveying chamber of the same ventricle takes place, wherein a rigid pressure plate is disposed between a fluid chamber and the respective blood-conveying chamber, said pressure plate being able to move in the direction of the respective blood-conveying chamber.

Heart support device

A fully implantable left ventricular assist system comprising a pumping means connectable via adapter elements to the ventricle includes two compressible chambers in the form of sacs () and a compressing means () to alternatingly fill and discharge the compressible chambers () at the same time, including a drive unit () assigned thereto, a cooling means () for cooling the drive unit (), and a power supply unit () for the drive unit () and cooling means (). In this implantable system the pumping means, compression means (), drive unit () and part of the cooling means () are accommodated in a two-part housing () on which tubular ports () for connecting Y-shaped adapter elements () are configured.

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Seefeld, Germany

Harald Wagner