H10 h3,h6: the reported 3.5 full radius blade, intended for use in treatment, has not been returned for evaluation.Without the reported product a visual or functional evaluation cannot be performed and the customers complaint cannot be confirmed.From the information provided, the blade was rusted.An exact root cause cannot be determined with confidence; however, factors that could have contributed to the reported event include: tarnish being mistaken for rust.Sliver plating is a smith+nephew process used at the time of manufacture of these blades to improve lubricity and allow for friction free contact between the stainless steel inner and outer blades.The appearance of the "tarnish" and discoloration does not have any adverse effect on the performance of the device, procedure or patient.The tarnishing discoloration is a cosmetic issue only.The instruction for use outlines precautionary statements and instructions in regards to the use of the device to avoid damage or non-functionality.A review of the complaint records was performed for the reported device, there were no indications that would suggest that the device did not meet product specifications upon release into distribution.
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