(b)(4).The rt040 vented hospital full face mask features a mask base, seal, and headgear.The mask is an oronasal patient interface for use as an accessory to therapy devices providing non-invasive bi-level or continuous positive airway pressure support therapy.This mask is for spontaneously breathing adult patients with respiratory insufficiency or respiratory failure who are suitable for non-invasive positive pressure support therapy in a hospital or clinical setting.Results: the customer reported the elbow of a rt040s vented hospital full face mask disconnected from the mask after using for less than 24 hours.Conclusion: the complaint device was requested for investigation, however it was not provided for analysis.Without the return of the complaint device, we are unable to determine the cause of the reported event.Our user instructions illustrate in pictorial format the correct set-up and proper use of the rt040 vented hospital full face mask.It also states the following: - "verify that the therapy device, including alarms and safety systems, have been validated prior to use." - "this mask may only be used in a hospital or clinical setting where the patient is adequately monitored by trained medical staff.Failure to monitor the patient may results in loss of therapy, serious injury or death.".
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