Manufacturer evaluation: the complaint device was returned to the manufacturer for physical evaluation.A visual examination revealed, that the device showed signs of repair (shrink tube).The device history records (dhr) were reviewed, for all available lot numbers.The devices were found to be within specification at the time of production.All device history records (dhr) are reviewed and released, according to documented procedures.And a device is not released, if it does not meet requirements or is nonconforming.A definitive conclusion regarding the complaint incident was not able to determined, due to the condition of the returned device.Therefore, the investigation was not able to confirm, a device or production problem that would have resulted in the reported event.
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