Ambu bag
From Wikipedia, the free encyclopedia
An ambu bag is a proprietary brand of a self-inflating bag-valve-mask (BVM) resuscitator, used to provide artificial ventilation to people who are having difficulty breathing or have stopped breathing altogether. The device is also used extensively in the operating room to ventilate an anesthetized patient in the minutes before an electric ventilator is attached.
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[edit] Operation
The ambu bag consists of a flexible air chamber, about the size of an American football, attached to a face mask via a shutter valve. When the air chamber or "bag" is squeezed, the device forces air into the patient's lungs; when the bag is released, it self-inflates, drawing in ambient air.
[edit] Development
The concept for the original ambu bag was developed in 1953 by the German engineer, Dr. Holger Hesse, and his partner, Danish anesthesialogist, Henning Ruben. In 1956, the world's first non-electric, self-inflating resuscitator was ready for production by their company, Ambu A/S, which still produces a wide range of single-patient and multi-use resuscitators.
[edit] See also
[edit] Further reading
http://vam.anest.ufl.edu/checkout/check-sirb.html A free interactive simulation of a BVM resucitator, a.k.a., a self-inflating manual resuscitator
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