1, X-ray imaging: such as. Digital radiography (CR, DR, DSA, etc.), CT, X-ray machine.
2, magnetic **** vibration imaging: MRI
3, ultrasound imaging: A-type, B-type (that is, the commonly used ultrasound), C-type, M-type.
4, thermal imaging: infrared imaging, optical machine scanning imaging....
5, nuclear medicine imaging: SPECT, PET, r camera.
6, optical imaging: medical endoscopy imaging....
There are too many manufacturers, many foreign and domestic, you can go online and see for yourself.
Such as some of the big brands will do medical equipment: Siemens, Philips, GE, Kodak.