(b)(4).This appears to be a "malfunction" type event not because there was a technical malfunction of the device, but since due to a use error the device was damaged.On (b)(4) 2014 arjohuntleigh was notified that one of our products - nimbus 2 mattress, allegedly had caught fire.The local arjohuntleigh sales and service unit rep was nominated to visit the facility to obtain comprehensive info about the incident.During interview with the nurse, we have been informed that the "psychiatric" pt deliberately set fire to his room.Fortunately nobody was injured as a result of this incident.Furthermore it was confirmed that neither mattress nor the pump was the source of the fire.Photographic evidences provided confirm very severe damage to the mattress.From the pictures also we can see that the pump was intact.In relation to the risk of fire, our mattress material is flame retardant to (b)(4) and we also warn our customers (as per the 'general warning' pages in our instruction for use) of the remaining flammability risks involved in using our product.The product ifu#152997en-01 contain the following: safety: "do not expose the system, especially the mattress, to naked flames, such as cigarettes, etc." we conclude that this failure is solely a result of an event beyond the realm of our control.Our product at the time of the event was functioning as per its intended use and was not a direct cause of the incident, it was simply present and the existing risk mitigations performed as intended.Furthermore it was also noted that at the time of the incident the device was not used either for treatment or diagnosis.
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