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Registration and approval is a necessary step in product marketing process of new medical devices to ensure their safety and efficiency.At present,many countries are relatively strict in the management of high risk medical devices,especially for class Ⅲ medical devices.Taking clinical trials as examples,they cost too many human,material resources.FDA has introduced a variety of regulations and policies to streamline the registration process to speed up the product marketing process.Based on the introduction of the relevant regulations on the exemption in parts of medical device registration and approval process in the United States,this paper compares and analyzes the simplified status of medical device approval in China.In the end,the significance of exemption in the registration and approval process is expounded,and some suggestions on how to optimize and approve the registration and approval process of medical devices in China are put forward.

This paper introduced the medical device classification in China and USA. Through the comparison between the two systems, several problems in Chinese classification system were exposed. To the end, some suggestions were proposed referred to the classification system of USA.

During the practice of supervision and management of medical device in different countries, the strict regulatory and needs of the program by the regulations is to be determined by the risk level of the medical equipment. This paper briefly describes the regulatory requirements of the United States to enter the market for high-risk medical device.

The paper compares the medical device registration system between China and FDA in U.S.A., with the main focus on the problems of design default of supervision and management in Chinese system. It analyzes the primary elements of substantial equivalence approval in medical device registration, and points out the design defaults of our medical device registration system and the basic points which need to be handled.

The expansion of applications of medical devices has attracted the increased attention of government regulatory bodies around the world to the safety and effectiveness of these products. Most developed countries, such as the United States and European Union, have developed well-established regulatory systems for medical devices, which have also consistently been amended to accommodate the changing requirements of safety and the trend of globalization.The current "Regulations for the Supervision and Administration of Medical Device (China)", established in 2000, has brought about great improvements for the safety and effectiveness of products, safeguarding public health. But there are still, at present, a lot of counterfeit and poor quality devices and device-related adverse events for lack of powerful post -market and in-use regulatory controls for products. It is therefore very urgent for the Chinese government to reform its medical device administration and management. This research paper analyses and compares the different requirements and executions of medical devices regulations in the EU, the US and China, to draw some experiences of the EU and US regimes that are very useful to China's regulatory reform. It is suggested that when developing a new scheme of medical devices regulatory reform in China, two prominent aspects have to be considered by policy makers and regulators. Firstly, the global trend of medical devices regulations has to be taken into account. Secondly, the experiences learned from the EU and US systems should be applied to the Chinese regulatory reform in combination with the concrete practice of China.