It was reported that during an ivc filter removal procedure using a gunther tulip vena cava filter retrieval set, in two separate procedures on the same day, the pin device disconnected from the end of the snare and then the luer lock on the 11 fr sheath separated from the sheath as the physician was pulling.The filters were successfully removed with no adverse effects to the patients.
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Investigation - evaluation: a review of the complaint history, device history record, manufacturing instructions, quality control, and visual inspection of the returned device was conducted for this investigation.An investigation of the returned device found the loop wire and its protecting sheath severely damaged in the handle end, but the pin vise was still attached.Approximately 10mm of the blue sheath was compressed approximately 5cm from the tip and the hub was missing.The flare measured to be within specifications.Based on these findings and the information provided, the exact reason for the pin vise to disconnect from the loop wire, cannot be determined, nor can the reason for the hub to separate from the sheath, but it is suggested that the components were exposed to manipulation beyond their intended design during the filter retrieval.It is noted that the filter was successfully removed with no adverse effects to the patient.A document-based investigation was performed.There is no evidence to suggest the finished product was not made to specifications.We will continue to monitor for similar complaints, and have notified the appropriate personnel of this event.
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