“碎石器”是最热门和最昂贵的新型医疗装置之一,它利用超声把肾结石击成碎片,碎片可以无需外科手术排出体外。在过去两年中,美国约有80家医院购买了这种价值200万美元的系统。现在一种价格低于上述医疗系统1/(10)的闪光灯泵浦的染料激光 One of the hottest and most expensive new medical devices is the lithotripter, which uses ultrasound to crush kidney stones into pieces that can be excreted without surgery. In the past two years, about 80 hospitals in the United States have purchased this $ 2 million system. Now a flash-pumped dye laser at a price lower than that of the medical system 1 / (10)