Pump system suitable as a heart assist device
OwnerWalter E. Strimling, Francis A. DeBernardis, Jr. +1inventors
InventorsWalter E. Strimling, Francis A. DeBernardis, Jr., Herbert M. Shapiro
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Abstract
Artificial heart type devices are made into practical heart assist devices by making the blood chambers of the device disposable or by adapting the blood chambers to accept disposable inserts. The inserts have extensions which protrude through the inlet and outlet ports of the chambers to connect to the blood system of a living body.
Claims9
A heart assist device for use outside the human body, said device including a first rigid housing defining a first blood chamber having a mean volume, said device including at least a second rigid housing defining a pump chamber, said first rigid housing including inlet and outlet ports, said second rigid housing including means for alternately increasing and decreasing the volume of said first blood chamber, said device including means for opening said first rigid housing with respect to said second rigid housing for accepting a disposable conformable insert therein, said device including said insert, said insert being shaped to conform to said first blood chamber and including first and second elongated extensions extend therefrom and configured to extend through said inlet and outlet ports respectively for use with first and second cannulae respectively.
Dependencies are inferred from the claim text.