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Following cmp completion the event was categorised as a distorted stent pattern with a potential that a type 1 stent fracture may also be present.Distorted stent pattern is assigned a severity of 3 and stent fractures are assigned a severity 4 in the ufmeca-1 version 19.0 and dfmeca-1 version 14.0.This means that they may lead to permanent impairment or life-threatening injury, this event remains reportable.A detailed review of all the lot history records pertaining to the relevant stent and delivery system lots showed no issues that were deemed related to the complaint investigation.Based on the information received in this case, it remains unknown whether a stent fractured has occurred.However, the single image provided by the site for investigation does display that the stent is distorted following its deployment.Therefore, given the information that is available, the investigation concludes that is a "distorted stent pattern" case.It should also be noted that based on the image received, there is potential that a stent fracture could be present.Angiographic images and/or additional information regarding the procedure would be required in order to make an adequate determination regarding the reported stent fracture.Insufficient information was made available in this case in order to determine a root cause.No details regarding the deployment procedure, the ancillary devices, procedural events and/or the patient anatomy were provided.Therefore, the sequence of events and root cause of this complaint remain unknown.If additional information does become available, an addendum to this investigation will be opened.Section g.6 and h.2 were updated to reflect the type of report (follow up 01) and the reason and section h.6 and h.11 were updated to reflect the conclusions of the investigation and reflected the sections changed in this report.
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