A medical device is a product used for medical purposes. It can be employed for the diagnosis, prevention, monitoring, treatment, or alleviation of diseases or injuries. Medical devices range from simple bandages and syringes to complex devices such as pacemakers, implants, and medical imaging equipment. The safety, effectiveness, and quality of medical devices are strictly regulated, and they must undergo specific approval procedures to be available in the market. The Rayocomp PS 10 med. and the Rayocomp PS 1000 polar 4.0 med. are, for example, Class IIa medical devices.