(b)(4).Batch history review: the manufacturing file was reviewed.It is compliant with our specifications and no abnormality was detected.No other similar complaint was reported on this batch of access ports sold since november 2017.Investigation: the device is still implanted into the patient's body.The x-ray pictures we received show a dislocation of the catheter tip from the right superior vena cava to the right jugular vein, 5 months after the access port implantation.However the information given by the patient are not sufficient to deduce the root cause of this catheter tip displacement.Conclusion: the information we have, is not sufficient to conclude on the exact root cause of the catheter tip dislocation.The catheter tip displacement is a known complication of the access port implantation, described in the literature.We advised the patient to meet his doctor for a follow up of his case.This is a very rare incident.No corrective action is currently envisaged.B braun sas has provided all the information currently available to us.
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The patient reported: "he catheter has kinked/looped above the venous insert point and is partly obstructing the venous flow due to its folding.Possibly due to the folded kink/loop, a fibrinous "stocking" has formed in the lower part of the kink/loop, and a thrombosis has formed in the upper part of the kink/loop.By inspection and measurement the thrombosis seems currently to have an approximate half diameter of that of the venous inside diameter".
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