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Improvement of fabrication process of vacuum formed valves for ventricular assist device
Improvement of fabrication process of vacuum formed valves for ventricular assist device. In order to provide an inexpensive ventricular assist device (VAD), we developed a 20mL-VAD which was followed by Prof. Kolffs design, but two problems were found; 1) Big amount of regurgitation through inlet bileaflet valve, 2) High resistance of outlet trileaflet valve. Following trials were carried out to settle them ; 1) In the manufacturing process of the bileaflet valve, elastic material was useddoi:10.11392/jsao1972.25.43 fatcat:dod6a3b7a5hitombkfyxlztfpe