The presidio will not be returned, therefore the root cause of the positioning difficulty and the inability to re-sheath the coil cannot be determined.Dhr: a review of the manufacturing documentation associated with this lot presented no issues during the manufacturing or inspection process that can be related to the reported complaint.Based on the information, the event could not be confirmed.The product was not returned for analysis; however a review of the manufacturing documentation associated with this lot presented no issues during the manufacturing or inspection process that can be related to the reported complaint.Therefore, no corrective actions will be taken at this time.(b)(4).
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The contact from the facility reported that during embolization of an 18mm aneurysm at the sphenopalatine artery a presidio coil ((b)(4)) did not fill the aneurysm as expected and the coil could not be resheathed.The patient's vessels were heavily torturous and mildly calcified.A sheath introducer by terumo (type unknown), an aqua v3 (cordis), a 4fr angiographic guiding catheter by unknown manufacturer, an excelsior 1018 (stryker), and enpower dcb /cable (lots unknown) were used for this procedure.After two presidio coils (both are (b)(4) / lots unknown) were successfully implanted into the aneurysm, the complaint presidio was chosen next.Although it was delivered to the aneurysm, because the microcoil did not loop as the physician wished, it was decided to recover the coil once.However, it was discovered that the distal end of the introducer sheath was split open, and thus the microcoil could not be re-sheathed.The procedure was successfully completed after implanting several more coils (cashmere and deltamaxx).There were no further issues or delay, and no patient injury / complications.The complaint product was new and stored per labeling instructions.The procedure was conducted in accordance with the ifu and the constant flush had been maintained at all times.No visible damage was noted on the product prior to the event.The complaint device is not available for analysis.No further information is available.
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