
 
Medical equipment is designed to aid in the diagnosis, monitoring or treatment of medical conditions. These devices are usually designed with rigorous safety standards.
  There are several basic types:
  - Diagnostic      equipment includes medical imaging machines, used to aid in      diagnosis. Examples are ultrasound and MRI machines, PET and CT scanners, and x-ray      machines.
 - Therapeutic equipment      includes infusion pumps, medical lasers and LASIK surgical      machines.
 - Life      support equipment is used maintain a patient's bodily function.      These include medical ventilators, heart-lung machines, ECMO, and dialysis machines.
 - Medical monitors allow medical staff to      measure a patient's medical state. Monitors may measure patient vital      signs and other parameters including ECG, EEG, blood      pressure, and dissolved gases in the blood.
 - Medical laboratory equipment      automates or help analyze blood, urine and genes.
 - Diagnostic Medical      Equipment may also be used in the home for certain purposes, e.g. for the      control of diabetes      mellitus
 
  A Biomedical equipment technician or BMET is a vital component of the healthcare delivery system. Employed primarily by hospitals, BMETs are the people responsible for maintaining a facility's medical equipment.
  http://en.wikipedia.org/wiki/Medical_equipment