Are the following medical devices Class I or Class II medical devices?

According to the provisions of the "supervision and management of medical devices regulations", the first class refers to, through routine management is sufficient to ensure its safety, effectiveness of medical devices. Class II refers to medical devices whose safety and effectiveness should be controlled. Class III refers to medical devices that are implanted in the human body, used to support and maintain life, potentially dangerous to the human body, and whose safety and effectiveness must be strictly controlled. The items you asked about belong to different categories. Look at its product registration number, for example, black food and drug supervision arm 2008 No. 1650003, is a class, that is, "the" word after the first number on behalf of its category, 1 is a class, and so on.