It was reported that during an angioplasty procedure, the pta balloon allegedly could not advance over the wire after being inflated inside a stent.It was further reported that after removing the balloon from the patient, unraveled material was found.There was no reported patient injury.
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It was reported that during an angioplasty procedure in the iliac vein, the pta balloon allegedly could not advance over the wire after being inflated inside a stent.It was further reported that after removing the balloon from the patient, unraveled material was found.No further treatment was needed.There was no reported patient injury.
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Manufacturing review: the device history records were reviewed with special attention to the raw materials, subassemblies, manufacturing process and quality control testing.This lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.This is the only complaint reported to date for this lot number and failure mode.Investigation summary: the device was returned for evaluation.A visual inspection found unraveled and frayed fibers along the length of the device.Additionally, the outer balloon layer was also found to be peeled on the balloon.Therefore, the investigation is confirmed for the reported unraveled fibers and identified frayed fibers and peeled outer layer.Furthermore, the investigation is unconfirmed for the reported advancement issues over the wire as well as for the withdrawal issues from the wire, as an in-house guidewire was inserted through the device without issue.Per the reported event details, the device was inflated inside a stent during the procedure.Therefore, it is possible that the interaction between the stent and the balloon contributed to the identified issues.However, the definitive root cause for the reported and identified issues could not be determined based upon the available information.Labeling review: the review of the ifu (instructions for use), indications, warnings, precautions, cautions, possible complications, and contraindications showed that the product labeling is adequate.(expiration date: 12/2020).(removed device codes: 2524 - failure to advance, 2919 - device-device incompatibility; added device codes: 1262 - material frayed, 1454 - peeled.
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