It was reported that following a successful filter removal procedure, the physician injected contrast into the 11 fr gauge sheath to take a post operation picture of the inferior vena cava (ivc) to ensure there was no perforation.As the syringe was being unscrewed from the sheath, the entire gunther tulip vena cava filter retrieval set sheath hub broke off with the syringe.The physician then removed the sheath from the patient and held pressure.A section of the device did not remain inside the patient¿s body.The patient did not require any additional procedures due to this occurrence. according to the initial reporter, the patient did not experience any adverse effects due to this occurrence.
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Blank fields on this form indicate the information is unknown, unavailable, or unchanged.Investigation - evaluation: a review of the complaint history, device history record, documentation, instructions for use (ifu), manufacturing instructions, specifications, quality control, and visual inspection of the returned device was conducted during the investigation.A proximal, cut portion of the gunther tulip vena cava filter retrieval set sheath was returned with the separated hub.The sheath portion was oval with a flaring measured to be within specifications.A document-based investigation was performed.There is no evidence to suggest the finished product was not made to specifications.Review of the device history record of the finished product shows no nonconforming events that could contribute to this failure mode.A complaint history search revealed that there were no other reported complaints for this lot number.Per the ifu, "excessive force should not be used to retrieve the filter." based on the information provided, examination of the returned product, and the results of our investigation, a definite root cause could not be determined; however, it is likely that excessive pressure was applied to the device.Per the risk assessment, no further action is required.Monitoring will continue to be performed for similar complaints.
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