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为了寻找一种快速而低费用的方法来制造既可靠又具有良好血液相容性的人工心血,已研究成功将热塑性聚氨酯板料用真空成型方法来制造人工心脏的工艺,并已用来制作小型人工心室和人工瓣膜。所有的人工
In order to find a rapid and low-cost method for making both reliable and blood-compatible artificial blood, a successful process of making a thermoplastic heart-shaped thermoplastic polyurethane sheet by a vacuum forming method has been studied and has been used to make small Artificial ventricles and prosthetic valves. All the labor