Is the first-class medical equipment better or the second-class medical equipment more profitable?

A class of medical devices has high profits. A class of medical devices refers to medical devices that can ensure their safety and effectiveness through routine management, and a class of medical devices has high profits. The difference between the first and second types of medical devices is that one is low-risk medical devices, which can be guaranteed to be safe and effective through routine management, and the other is medium-risk medical devices, which need strict control and management to ensure their safety and effectiveness.