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Biomedical Equipment Technicians
Biomedical equipment technicians are an important link between technology and medicine. They repair, calibrate, maintain, and operate biomedical equipment working under the supervision of researchers, biomedical engineers, physicians, surgeons, and other professional health care providers.
Biomedical equipment technicians may work with thousands of different kinds of equipment. Some of the most frequently encountered are the following: patient monitors; heart-lung machines; kidney machines; blood-gas analyzers; spectrophotometers; X-ray units; radiation monitors; defibrillators; anesthesia apparatus; pacemakers; blood pressure transducers; spirometers; sterilizers; diathermy equipment; patient-care computers; voice-controlled operating tables; electric wheelchairs; ultrasound machines; and diagnostic scanning machines, such as the CT (computed tomography) scan machine, PET (positron emission tomography) scanner, and MRI (magnetic resonance imaging) machines. Technicians also work with sophisticated dental, optometric, and ophthalmic equipment. Repairing faulty instruments is one of the chief functions of biomedical equipment technicians. They investigate equipment problems, determine the extent of malfunctions, make repairs on instruments that have had minor breakdowns, and expedite the repair of instruments with major breakdowns, for instance, by writing an analysis of the problem for the factory. In doing this work, technicians rely on manufacturers' diagrams, maintenance manuals, and standard and specialized test instruments, such as oscilloscopes and pressure gauges.
Installing equipment is another important duty of biomedical equipment technicians. They inspect and test new equipment to make sure it complies with performance and safety standards as described in the manufacturer's manuals and diagrams, and as noted on the purchase order. Technicians may also check on proper installation of the equipment, or, in some cases, install it themselves. To ensure safe operations, technicians need a thorough knowledge of the regulations related to the proper grounding of equipment, and they need to actively carry out all steps and procedures to ensure safety.
Maintenance is the third major area of responsibility for biomedical equipment technicians. In doing this work, technicians try to catch problems before they become more serious. To this end, they take apart and reassemble devices, test circuits, clean and oil moving parts, and replace worn parts. They also keep complete records of all machine repairs, maintenance checks, and expenses.
In all three of these areas, a large part of technicians' work consists of consulting with physicians, administrators, engineers, and other related professionals. For example, they may be called upon to assist hospital administrators as they make decisions about the repair, replacement, or purchase of new equipment. They consult with medical and research staffs to determine that equipment is functioning safely and properly. They also consult with medical and engineering staffs when called upon to modify or develop equipment. In all of these activities, they use their knowledge of electronics, medical terminology, human anatomy and physiology, chemistry, and physics.
In addition, biomedical equipment technicians are involved in a range of other related duties. Some biomedical equipment technicians maintain inventories of all instruments in the hospital, their condition, location, and operators. They reorder parts and components, assist in providing people with emergency instruments, restore unsafe or defective instruments to working order, and check for safety regulation compliance.
Other biomedical equipment technicians help physicians, surgeons, nurses, and researchers conduct procedures and experiments. In addition, they must be able to explain to staff members how to operate these machines, the conditions under which a certain apparatus may or may not be used, how to solve small operating problems, and how to monitor and maintain equipment.
In many hospitals, technicians are assigned to a particular service, such as pediatrics, surgery, or renal medicine. These technicians become specialists in certain types of equipment. However, unlike electrocardiograph technicians or dialysis technicians, who specialize in one kind of equipment, most biomedical equipment technicians must be thoroughly familiar with a large variety of instruments. They might be called upon to build a dialyser (an artificial kidney) or to work with a blood-gas analyzer. Biomedical equipment technicians also maintain pulmonary function machines. These machines are used in clinics for ambulatory patients, hospital laboratories, departments of medicine for diagnosis and treatment, and rehabilitation of cardiopulmonary patients.
While most biomedical equipment technicians are trained in electronics technology, there is also a need for technicians trained in plastics to work on the development of artificial organs and for people trained in glass blowing to help make the precision parts for specialized equipment.
Many biomedical equipment technicians work for medical instrument manufacturers. These technicians consult and assist in the construction of new machinery, helping to make decisions concerning materials and construction methods to be used in the manufacture of the equipment.
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