(b)(4).The returned injection gold probe needle was analyzed, and a visual evaluation noted that the tip was cracked and because of this condition the electrical test could not be performed.In addition, the catheter had a kink.Based on all available information and the condition of the returned device, the tip cracked and catheter kink most likely occurred as a result of force applied to the device and severe manipulation while being used.Based on the information available and the analysis performed, the most probable root cause for the encountered issue of distal tip cracked is adverse event related to procedure.A review of the manufacturing documentation for this device revealed that no anomalies or deviations related to the event occurred during manufacturing.
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