The complaint was reported long after its occurrence and therefore the investigation is based on the information that was received.The information about the reported incident was received by our field service engineer by the way during a service visit at the hospital.The reported event occurred in 2013 or 2014.The patient had both the ng tube for nava and a nasogastric tube inserted at the time of the event and it was not determined if the perforation was caused by the ng tube for nava or the nasogastric tube.No further information is available.There is adequate information in the user¿s manual for calculating of the insertion length and correct positioning of the edi catheter and important information stating that when the ng tube for nava is inserted into the esophagus does not insert any other probe or feeding tube.With the limited information available the cause of the reported incident cannot be determined.(b)(4).
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