Top Definition
An oscillator is an HFOV.
2. An oscillator is a medical device used in the hospital when a conventional ventilator isn't working, and/or the patient's lungs are to fragile to tollerate opening, and closing. It shoots several hundred breaths per minute into the patient's lungs at very small puffs, so the lungs can rest, and they don't have to open and close, and while they are resting, the patient is still being ventilated.
1. Is he on his oscillator?
2. Yes.
3. He's on the Sensormedics 3100A Oscillator.
4. All right.
by 1992peter February 14, 2010

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