Description of event according to initial reporter: the filter legs couldn't be opened as usual, the doctor removed it and replaced another new one.Patient outcome: according to the initial reporter, the patient did not experience any adverse effects due to this occurrence.
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Manufacturers ref# (b)(4).Summary of investigational findings: the celect-pt filter would not expand and was retrieved by gtrs from jugular approach.Another filter was successfully placed without harm to the patient.The complete uni set was returned with the celect-pt filter still loaded to the femoral introducer by the primary filter legs.A kink was noted in the introducer sheath 364mm from the distal tip and two of the secondary filter legs were slightly misshaped, likely from attempt to retrieve the pre-expanded filter.No other non-conformances were noted on any of the components, and after release from the femoral introducer all the filter legs expanded according to specifications.No imaging was provided and based on the investigation findings the exact reason for the filter to not expand cannot be determined.However, it is previously seen that the filter legs may be somehow obstructed from fully expanding, maybe if the filter is deployed in a thrombus, if the filter legs are caught in a clot, or if the filter is not placed in the ivc.There are adequate controls in place to ensure the device was manufactured to specifications.It was assessed that because any discovered non-conformances were properly dispositioned before qc release, there is evidence that the dhr was fully executed.In addition, no other lot related complaints have been received from the field.It is therefore concluded that there is no evidence that nonconforming product exists in house or in field.Cook medical will continue to monitor for similar events.This report is required by the fda under 21cfr part 803.This report is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement made in it is intended to be an admission that any cook device is defective or malfunctioned; that a death or serious injury occurred; or that any cook device caused or contributed to; or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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