It was reported that the procedure was to treat a mildly tortuous, heavily calcified and 90% stenosed mid right coronary artery.Pre-dilatation was performed with an unknown balloon catheter and then a non-abbott balloon catheter with support of an inner catheter was used for further dilatation.A 3.5 x 23 mm xience xpedition stent delivery system (sds) was advanced with the support of the inner catheter but it could not cross the lesion.When removed, the stent struts at the proximal end of the stent were flared.A new xience xpedition sds was successfully used to complete the procedure.There was no clinically significant delay in procedure and no adverse patient effects.No additional information was provided.Returned device analysis revealed there were two tears in the proximal end of the balloon.
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(b)(4).Evaluation summary: the device was returned for analysis and the proximal end of the balloon was torn.The reported material deformation was able to be confirmed.The reported failure to advance the device was unable to be replicated in a testing environment as it was based on operational circumstances.Based on a visual, dimensional and functional inspection of the returned device, there is no indication of a product deficiency.A review of the lot history record revealed no non-conformances.A query of the electronic complaint database revealed no other similar incidents reported from this lot.Based on the reviewed information, no product deficiency was identified.
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