(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device is expected to be returned for investigation.It has not yet been received.A follow-up report will be submitted with all additional relevant information.
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It was reported that the patient presented acutely and the procedure was to treat a subocclusive lesion in the distal circumflex artery.During introduction into the non-abbott hemostatic valve, the 2.50x15mm xience xpedition stent delivery system (sds) encountered resistance and the sds was removed before entering the patient anatomy.The stent dislodged from the balloon of the 2.50x15mm xience xpedition sds into the hemostatic valve.The dislodged stent was retrieved by removing the hemostatic valve.A new sds and a new hemostatic valve were used to successfully complete the procedure.There was a delay due to the incident, however, the delay had no clinical impact and there was no adverse patient sequela.No additional information was provided.
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(b)(4).Evaluation summary: the device was returned for analysis.The stent implant was stationary on the tightly folded balloon between the markers; thus, the stent dislodgement was not confirmed.The difficult to insert was able to be confirmed.Based on a visual, dimensional and functional inspection of the returned device, there is no indication of a product quality issue with respect to the design, manufacture or labeling of the device.The investigation determined the reported difficulties appear to be related to circumstances of the procedure.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other similar incidents reported from this lot.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture or labeling of the device.
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