With the accelerated aging, the prevalence of cardiovascular diseases in China increased year by year. According to statistics of National Health and Family Planning Commission of the People’s Republic of China, in 2012 cardiovascular disease deaths in China reached 3.5 million. The fast growing number of heart patients stimulated rapid growth in Chinese demand for interventional cardiac operation and coronary stent. China's PCI (percutaneous coronary intervention) surgeries increased from 25,000 cases in 2002 to about 531,000 cases in 2012; the number of coronary stent implantation rose from 40,000 units in 2002 to approximately 640,000 units in 2012. In 2007-2012 China's cardiovasc...
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