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Vacuum powered tubular pump for ventricular assist

Del Canizo J. F., Desco M. M., Rodriguez-Martinez D.

Biocybernetics and Biomedical Engineering

2003

Vol. 23, no. 2

43-50

A new vacuum powered tubular pump for mechanical circulatory support has been developed. The blood chamber is a tube made of highly elastic biocompatible polyurethane and placed into a rigid chamber. The filling of the blood chamber is achieved by means of vacuum avoiding the possibility of air embolism and stagnation points. Mechanical valves have been replaced by clip valves placed over the input and output cannulae of the device. The final cost of the disposable parts of the device is very low and allows its use in other applications like extra corporeal circulation or haemodialysis.