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(b)(4).The returned amplatz super stiff was analyzed, and a visual evaluation noted that the distal end unraveled and detached from the core wire.Additionally, the core wire is kinked.The device was observed under magnification and the distal end unraveled and detached from the core wire and the core wire is kinked.The device was measured in three sections (distal, medium, proximal) and it was found within specification.The distal measurements were not performed due to the condition of the device.No other problems with the device were noted.The product analysis revealed that the distal end of the guidewire unraveled and detached from the core wire.Additionally, the core wire is kinked.Based on the condition of the device, the problem found could have been caused by the way in which the device was handled (excessively and/or forcefully) during procedure.Based on all gathered information, the most probable root cause of this complaint 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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It was reported to boston scientific corporation that an amplatz super stiff guidewire was used during a percutaneous nephrolithotomy (pcnl) procedure performed on (b)(6)2020.According to the complainant, during the procedure, the amplatz super stiff guidewire was used to access into the kidney.However, when the physician retracted the amplatz super stiff guidewire, it unraveled.The procedure was completed with a new amplatz super stiff guidewire.There were no patient complications reported as a result of this event.This event has been deemed a reportable event based on the investigation results: core wire was broken.
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