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2 GoodKnight 420G - Patient Manual
Indications for use
The GoodKnight 420G device is indicated for use in the treatment of obstructive respiratory sleep
disorders, particularly Obstructive Sleep Apnea (OSA) in spontaneously breathing patients weighing
over 30 kg (66 lb) within a homecare environment.
Precautions for use
The GoodKnight 420G device must be used with caution with patients in the following conditions. If
you are affected by one of these, contact your doctor at the start of your treatment.
• Pneumothorax or pneumomediastinum
• Severe bullous emphysema or previously complicated by pneumothorax
• Massive epistaxis or previous massive epistaxis
• Decompensated cardiac insufficiency or hypotension, especially in case of depletion in blood
volume or in case of cardiac rhythm disorder
• Pneumoencephalus, traumatism or recent surgery with the after-effect of a cranio-nasopharyngeal
fistula
• Acute sinusitis, otitis media or perforation of the tympanic membrane
• Severe claustrophobia.