The device has not yet returned to numed.The incident report shows that the stent was twisted when it was crimped down onto the balloon catheter.One end of the covering has detached from the stent.Emails from the distributor state that the physician has a problem with crimping the stents, which caused this issue.One sample from every lot of stent is tested for covering strength.The sample that was tested for this lot had a covering attachment strength of 2.88 lbf, which is above the acceptance criteria.Production records were reviewed and no issues were identified.
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