Medical devices can be classified into diagnostic and therapeutic.

First, diagnostic equipment

Physical diagnostic equipment (thermometer, blood pressure meter, microscope, audiometer, various physiological recorders, etc.), imaging (X-ray machine, CT scan, magnetic resonance, B-ultrasound, etc.), analytical instruments (various types of counters) , biochemistry, immunoassay instruments, etc.), electrophysiology (such as electrocardiograph, EEG, EMG, etc.).

Second, treatment equipment

General surgical instruments, light-guided surgical instruments (fiber endoscopes, laser treatment machines, etc.); auxiliary surgical instruments (such as various anesthesia machines, ventilators, extracorporeal circulation, etc.); radiotherapy machinery (such as deep X-ray treatment machines, cobalt 60 Therapeutic machine, accelerator, gamma knife, various isotope therapeutic devices, etc.; other types (microwave, high pressure oxygen, etc.).