EWH's BMET Library

Browsing Topics and Professional Development by Title

Browsing Topics and Professional Development by Title

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  • Unknown author (EWH, 2018)
    An electrical battery is one or more electrochemical cells that convert stored chemical energy into electrical energy. Batteries are a power source for household and medical applications. Batteries are available in various ...
  • Unknown author (EWH, 2018)
    An electrical fuse protects electrical systems from excess current. Fuses are commonly found in the power supply of a device. Delicate medical equipment may have more than one fuse.
  • Unknown author (EWH, 2018)
    A belt is a loop made of flexible and durable material. A belt may be used to mechanically link rotating motor shafts. Belts need to be maintained for the motor to work effectively. Constant use may damage the belt. A ...
  • Wikibooks Contributors (Wikibooks, 2006)
    The immune system is a complex system that is responsible for protecting us against infections and foreign substances. There are three lines of defense: the first is to keep invaders out (through skin, mucus membranes, ...
  • Wikibooks Contributors (Wikibooks, 2006)
    The integumentary system consists of the skin, the subcutaneous tissue below the skin, hair, nails, and assorted glands. The most obvious function of the integumentary system is the protection that the skin gives to ...
  • Unknown author (EWH, 2018)
    A medical suction machine is used to aspirate blood or mucus from a body cavity or operation site. A suction machine is used to create a partial vacuum. A suction canister or jar has to be completely air-tight. The air-tight ...
  • Unknown author (EWH, 2018)
    Latches, locks, and interlocks are fasteners that hold things closed. Usually latches, locks, and interlocks are found on doors, lids and cases. This skill is an overview of different kind of fasteners. A latch is a ...
  • Unknown author (EWH, 2018)
    Super glue is a very strong adhesive. Super glue can be used to repair small leaks or tears in plastic, ceramics, glass, rubber and metal. Super glue is the only way to repair broken glass tubing. Super glue is not affected ...
  • Unknown author (EWH, 2018)
    Leaks occur frequently in plastic or rubber tubes. Leaks prevent the device from providing accurate results. Pressure cannot be created if a leak is present. Suction pumps and blood pressure apparatuses do not function ...
  • Kuphaldt, Tony (2006)
    One pioneering researcher, Benjamin Franklin, came to the conclusion that there was only one fluid exchanged between rubbed objects, and that the two different ”charges” were nothing more than either an excess or a deficiency ...
  • Kuphaldt, Tony (2007)
    Most students of electricity begin their study with what is known as direct current (DC), which is electricity flowing in a constant direction, and/or possessing a voltage with constant polarity. DC is the kind of electricity ...
  • Kuphaldt, Tony (2009)
    This third volume of the book series Lessons In Electric Circuits makes a departure from the former two in that the transition between electric circuits and electronic circuits is formally crossed. Electric circuits are ...
  • Kuphaldt, Tony (2007)
    The expression of numerical quantities is something we tend to take for granted. This is both a good and a bad thing in the study of electronics. It is good, in that we’re accustomed to the use and manipulation of numbers ...
  • Kuphaldt, Tony (2007)
    Converting between units is easy if you have a set of equivalencies to work with. Suppose we wanted to convert an energy quantity of 2500 calories into watt-hours. What we would need to do is find a set of equivalent figures ...
  • Kuphaldt, Tony (2010)
    Electronics is a science, and a very accessible science at that. With other areas of scientific study, expensive equipment is generally required to perform any non-trivial experiments. Not so with electronics. Many advanced ...
  • Unknown author (EWH, 2018)
    Medical devices often have many connectors. Connectors connect a machine to a monitor, a probe, or a power source. If any connectors are loose, the machine may not function properly. This unit explains how to repair a loose ...
  • Unknown author (EWH, 2018)
    Motors of all sizes are used in many areas of hospitals. Moving parts such as belts and gears are likely to loosen and break in a motor. One key way to maximize the lifetime of a motor is to ensure that each part is properly ...
  • Unknown author (EWH, 2018)
    Eventually, nuts will become stuck due to corrosion, rust or mineral buildup. A nut that does not turn even when you use a wrench is called a frozen nut. When you disassemble equipment, you may find a frozen nut. Frozen ...
  • Unknown author (EWH, 2018)
    Motors will often contain many different gears and connecting shafts. A common method of power transfer is the Lovejoy coupling. The Lovejoy coupling transfers power and reduces vibration in the system to protect other ...
  • Unknown author (EWH, 2018)
    In motors, parts move against each other, causing friction that converts energy into heat. Contact between moving surfaces also wears away those surfaces. Worn parts could lead to lower efficiency and degradation of the ...

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