EWH's BMET Library

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  • Unknown author (EWH, 2018)
    A voltage regulator maintains a constant voltage level. Two common DC voltage regulators are linear regulators and switching regulators. Linear regulators continuously adjust to changes at the input to maintain a constant ...
  • Unknown author (EWH, 2018)
    A transformer is a device that changes electrical energy from one voltage to another voltage. Step up transformers increase the voltage. Step down transformers decrease the voltage. Wall transformers can also change ...
  • Unknown author (EWH, 2018)
    Proper grounding is very important. The ground connection increases safety for the patient, technician, and device. The instruments are powered through wall power terminals. Wall power terminals have provisions for providing ...
  • Unknown author (WHO, 1994)
    The Oxford Bellows is a hand-operated bellows unit for inflating the lungs (Fig. 4.1). It consists of an inlet connection and valve, the bellows in the middle, an outlet valve with outlet connection, and tap. There is a ...
  • Unknown author (Rice University, 2012)
    Human Anatomy and Physiology is designed for the two-semester anatomy and physiology course taken by life science and allied health students. It supports effective teaching and learning, and prepares students for further ...
  • Malkin, Robert (2006)
    This article describes the clinical use of anesthesia machines as well as common problems and engineering details
  • Unknown author (WHO, 1994)
    This article describes the risks associated with the use of bottled gasses in the operating room.
  • Unknown author (2018)
    Friction between the copper segments of the commutator and the brushes eventually wears both surfaces. Older copper brushes can cause more wear to the commutator. The commutator surface may have deep grooves and notches ...
  • Unknown author (EWH, 2018)
    Friction between the copper segments of the commutator and the brushes eventually wears both surfaces. Older copper brushes can cause more wear to the commutator. Copper brushes can cause deep grooves and notches on the ...
  • Unknown author (WHO, 2008)
    The autoclave is a piece of equipment used for sterilizing. The word sterilizing means the destruction or elimination of all forms of life (microbial, including spores) present in inanimate objects by means of physical, ...
  • Engineering World Health (EWH) (Engineering World Health (EWH), 2016)
    This article contains tips for the preventative maintenance of autoclaves.
  • Engineering World Health (EWH) (Engineering World Health (EWH), 2016)
    This article contains a flowchart fro troubleshooting autoclaves.
  • Unknown author (Duke University, 2014)
    This is a Powerpoint explaining how to use and operated autoclaves and related personal protective equipment.
  • Unknown author (WHO, 1996)
    The choice of laboratory equipment must take into account national regulations and the technical premises that determine the requirements for its appropriate use. The more complex an instrument is, the more the user will ...
  • Unknown author (WHO, 2008)
    An autoclave is a device used to sterilize medical instruments and equipment. It uses steam and pressure in the absence of air to assure sterile conditions. The small, table-top autoclave uses heat to boil water into steam. ...
  • Unknown author (VSO, 1995)
    This article covers the different types of loads an autoclave can be designed for and how each type of autoclave is different, it provides information for testing the different parts on an autoclave, and it covers how to ...
  • Malkin, Robert (EWH, 2006)
    Balances are accurate and precise instruments used to measure the weight or mass of a substance or material. The ability to measure material as large as 50kg and as small as 10μg makes them quite common. There are two ...
  • Malkin, Robert (2006)
    While not a medical device in itself, the battery, like the generator, is often the source of problems in developing world hospital equipment. The battery comes in a wide variety of forms and can be used to provide electrical ...
  • Unknown author (VSO, 1995)
    Lead acid batteries are used in hospitals to start vehicles and emergency generators or for lighting including mobile theatre lamps. They are also used as part of solar power systems. It is essential that they are well ...
  • Unknown author (EWH, 2018)
    A bent shaft increases motor vibration. A bent shaft can be responsible for the noisy operation of a motor. A bent shaft in motor should be corrected or replaced for proper operation of a motor.