The lot number for the devices were not provided, a lot history review was not performed.The samples were not returned to the manufacturer for evaluation; however, medical records were received and reviewed.For one malfunction, the investigation of the reported malfunctions was confirmed for material deformation and retrieval difficulties and inconclusive for filter tilt.For the other malfunction, the investigation is confirmed for tilt, material deformation and retrieval difficulties.Based upon the available information, the definitive root cause for these malfunctions were unknown.The devices are labeled for single use.
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This report summarizes two malfunctions.A review of the reported information indicated that the model rf048f vena cava filter allegedly reported filter difficult to remove, tilt and material deformation.This information was received from various sources.The two malfunctions involved patients with no known impact to the patient.The first patient was (b)(6) old male and the second patient was (b)(6) old male; however, the weights of both the patients were unknown.
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