http://www.youtube.com/watch?v=MONbDDgfoKo
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Microdebriders have been gaining acceptance in ENT Surgery and use since their initial introduction in 1993.
A microdebrider is a rotary cutting tool commonly used in ear, nose and throat surgeries. It is often used to shave tissue and bone. The tool is hooked up to suction that removes excess blood and tissue and can be controlled by a foot pedal.