Electro-mechanical device, namely a mechanical insufflation-exsufflation device (MIE) used to clear secretions from the lungs by gradually applying positive pressure to the airway and rapidly shifting to negative pressure to produce a high expiratory flow from the lungs

'airway':27 'appli':22 'clear':15 'devic':4,11 'electro':2 'electro-mechan':1 'expiratori':38 'exsuffl':10 'flow':39 'gradual':21 'high':37 'insuffl':9 'insufflation-exsuffl':8 'lung':19,42 'mechan':3,7 'mie':12 'name':5 'negat':32 'posit':23 'pressur':24,33 'produc':35 'rapid':29 'secret':16 'shift':30 'use':13

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