The device was not returned to the manufacturer for physical evaluation.Additionally, no on-site evaluation of the unit was performed by a fresenius regional equipment specialist (res) and no parts were returned for failure analysis.Therefore, the investigation was not able to confirm a device issue that could be associated with the reported event.An investigation of the device manufacturing records was not able to be conducted by the manufacturer as the 2008t hemodialysis (hd) machine in question was not known, therefore, the serial number was not able to be provided.However, all device history records (dhr) are reviewed and released according to the "dhr review checklist & release procedure." p/n 500658; a device is not released if it does not meet requirements or is nonconforming.A definitive conclusion regarding the complaint incident cannot be reached without a physical examination of the complaint device.
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