众所周知,人类医疗卫生事业是各国政府和社会团体对民众实行一定福利政策的社会公益事业,它是在注重社会效益的前提下追求经济效益的一种特殊商品化产业。以前,医疗卫生事业通常是由医院、药品和医疗器械这三大支柱所组成。如今,另一支柱产业,在 It is well known that the cause of human medical and health service is a social welfare undertaking which is carried out by governments and social organizations of various countries on certain welfare policies for the public. It is a special commercialized industry that pursues economic benefits on the premise of paying due attention to social benefits. In the past, health care was usually composed of three pillars: hospitals, pharmaceuticals and medical devices. Today, another pillar industry, at