STRYKER NEUROVASCULAR CORK TARGET 360 NANO 2 MM X 3 CM; DEVICE, NEUROVASCULAR EMBOLIZATION
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Catalog Number M0035442030 |
Device Problems
Expulsion (2933); Unintended Movement (3026)
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Patient Problems
Thrombus (2101); No Known Impact Or Consequence To Patient (2692)
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Event Date 10/18/2019 |
Event Type
Injury
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Event Description
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It was reported that during the embolization procedure for the ruptured aneurysm in the posterior cerebral artery, a stent was deployed and then a coil(subject device) was deployed.However, the coil was not able to detached by the inzone power supply.The physician tried to change the power supply but the coil was still not able to detach.Therefore, the physician tried to apply torque and detach the coil mechanically.However, a part of the subject coil from proximal end protruded from the aneurysm.A stent was used to fix the protruded coil against the vessel wall.There were other difficulties experienced during the procedure that could have contributed to the event.One more coil was deployed after the reported event to complete the procedure successfully.There were no reported clinical consequences to the patient.
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Manufacturer Narrative
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The device history record review confirms that the device met all material, assembly and performance specifications.The returned device could not be confirmed to be the reported device as the packaging was not returned to site.Due to the automated mes system there are controls in the manufacturing process to ensure the product met specifications upon release.The reported event is covered in the device directions for use (dfu).As well, the risk of the reported event is documented in the risk documentation and there are current controls to mitigate the risk of the as reported event.Visual analysis indicated that the coil delivery wire was severely kinked/bent likely due to handling damage and the main coil was mechanically detached from the delivery wire and was not returned as it was implanted.Functional & dimensional analysis were not completed.The device failed to meet specifications when received for complaint investigation based on damage noted to the device during the analysis.There was additional presence of thrombus reported in the stryker microcatheter used during the procedure.The physician could not confirm the source or cause of the thrombus, but it is likely to have led to the reported issue of failure to detach coil with the power supply.During analysis there was copious amounts of procedural fluid noted on the delivery wire & detachment zone which may have contributed to the difficulty reported in electrolytically detaching the main coil during the procedure.However, thrombus is a known risk associated with endovascular procedures and is noted as such in the device directions for use (dfu); therefore, an assignable cause of anticipated procedural complication was assigned to the event of thrombus presence.It is probable that the device was damaged during the clinical procedure due to procedural/anatomical factors encountered causing the as reported event.There was therefore assignable cause of procedural factors will be assigned to reported issue of coil protrusion.
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Event Description
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It was reported that during the embolization procedure for the ruptured aneurysm in the posterior cerebral artery, a stent was deployed and then a coil(subject device) was deployed.However, the coil was not able to detached by the inzone power supply.The physician tried to change the power supply but the coil was still not able to detach.Therefore, the physician tried to apply torque and detach the coil mechanically.However, a part of the subject coil from proximal end protruded from the aneurysm.A stent was used to fix the protruded coil against the vessel wall.There were other difficulties experienced during the procedure that could have contributed to the event.One more coil was deployed after the reported event to complete the procedure successfully.There were no reported clinical consequences to the patient.
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Search Alerts/Recalls
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