Device history record (dhr) review was conducted for the reported identification number.The lot was released meeting all qa specifications.Currently unable to establish a relationship or impact to the reported observation.Device evaluation and event problem codes: the returned device was received, visually inspected, and tested.Visual examination of trd noted light scribe marks on the cutting window rim.This visual inspection indicative the blade damage was due to the user handling of the device.(b)(4).
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