(b)(4).Method: the complaint rt040m vented hospital full face masks had been destroyed at the hospital facility.An attempt was made to obtain additional information regarding the reported fault but no response was received from the hospital staff.Our analysis is accordingly based on the event description and our knowledge of the product.Results: the hospital staff reported that the patients were experiencing pressure sores while using the subject full face mask.A lot check was not performed as lot information was not provided.Conclusion: we are unable to determine the root cause of the problem reported by the hospital staff.Since the reported incident, the fph representative has visited the hospital and discussed the correct fitting of the fph hospital masks.Furthermore, the fph representative has offered an in-service training to the hospital staff regarding the correct fitting and sizing of fph hospital masks.The user instructions illustrate in pictorial format the correct set-up and proper us of the rt040 vented hospital full face mask.It also state the following: "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 result in lost of therapy, serious injury or death."; "if the patient experience skin irritations, consult physician.".
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