The four stages of development: a historical prospective of external counterpulsation
John CK Hui
Zhen-Sheng Zheng
摘要： There are four stages in medical device development.The beginning starts with some new understanding of physiological concepts which evolve into the formation of an innovative idea. The second stage is the technical development phase,from idea to the development of a design to technical reality. At this stage,capital funding and patent applications for the development are necessary but they are not considered here. The third stage is experimental and clinical studies,a data gathering phase to provide evidence of safety and effectiveness of the applications of the device.
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论文发表日期：2010-05-02
在线出版日期：2025-08-15（本平台首次上网日期，不代表文献的发表时间）
页数：5( 74-78 )