The State Council promulgated on January 4, 2000, the "supervision and management regulations of medical devices" has a definition of medical devices, that is, medical devices refers to the use of the human body alone or in combination with the instruments, equipment, appliances, materials, or other items, including the required software; its use for the human body surface and the body's internal (a) the prevention, diagnosis, treatment, monitoring and alleviation of disease;
(b) the diagnosis, treatment, monitoring, alleviation and compensation of injury or disability;
(c) the study, substitution or replacement of anatomical or physiological processes;
(d) the use of medical devices for the treatment of disease; and
(e) the use of medical devices for the treatment of disease. Anatomy or physiological processes, research, replacement, regulation;
(D) pregnancy control
Medical devices are acting on the human body, you this instrument does not act on the human body, so it does not belong to the medical device, but what exactly belongs to what I do not know.