This device is used for therapeutic purposes.(b)(4).Product evaluation: when received for analysis there was a residue consistent with biological contaminants; however, it could not be confirmed.When com pared to the assembly drawing: the silver solder joint was intact however the rod/shaft had become detached from the handle which would have resulted in the reported malfunction.The rod/shaft was bent in 2 places and the tip was broke off which would have measured approximately 0.06¿ [the location of this piece is unknown].When viewed under magnification, there were scratches/gouges along the rod/shaft.The information indicates that the device was mishandled which likely caused the separation of the rod from the handle.Method: microscopic inspection.Results: stress problem, fracture problem.
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