(b)(4).Manufacturing site evaluation: the tip of the scissors are broken.Pictorial documentation was carried out with a digital microscope.Hardness measurement was carried out with hardness tester.The device history files have been checked and were found to be according to the specifications.Based on the information available as well as a result of the investigation the root cause of the failure is most probably related to an insufficient usage.This kind of instrument is designated for delicate use only.It is liable that a mechanical overload situation led to the breakage.The visual investigation and the hardness test indicated that the quality requirements are in the specified tolerance range.A capa is not necessary.
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