(b)(4).All available information was investigated the reported cable break and resultant tip deflection issue (mechanical issue of sgc unable to curve guide) were confirmed via returned device analysis.The reported noise could not be replicated in the testing environment as the event was a symptom of the cable break.A review of the lot history record revealed no manufacturing nonconformities.Additionally, a review of the complaint history identified no similar incidents reported from this lot.The investigation determined that the reported noise and mechanical issue of sgc unable to curve guide were a result of the cable break; however, a definitive cause for the cable break could not be definitively determined.Based on the information reviewed, there is no indication of a product quality issue with respect to design, manufacture, or labeling of the device.
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