It was reported that during the procedure, the subject stent was fractured from the stent delivery wire within the microcatheter while advancing it to the target lesion and the delivery wire was advancing alone, resulting in deployment failure.The subject stent was replaced, and the procedure was completed successfully.No clinical consequences were reported to the patient due to this event.
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Due to the automated manufacturing execution system (mes), there are controls in the manufacturing process to ensure the product met specifications upon release.The subject device is not available; therefore, functional testing as well as visual testing cannot be performed.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.The reported event could not be confirmed, and it could not be definitively determined if the device failed to meet specifications, because the product was not returned.Additional information received from the customer indicates that the device was prepared for use as per the directions for use.There was no damage noted to the packaging prior to opening the packaging and the device was confirmed to be in good condition prior to use on the patient.Continuous flush was set up and maintained throughout the clinical procedure and the patient¿s anatomy was described as having 'average tortuosity'.It was reported that 'when an attempt was made to advance the stent with a microcatheter to the lesion, the stent was fractured from the delivery wire within the microcatheter, and the delivery wire was advancing alone, resulting in deployment failure.Therefore, the microcatheter was removed from the body and replaced with a new one in the same catalog number.The subject stent was also replaced with a new one in the same catalog number'.While there are a number of potential causes for the reported issue, because review and analysis of available information failed to identify a definitive cause and the device was not returned, an assignable cause of undeterminable will be assigned to as reported ¿sdw broken/fractured during use¿.
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It was reported that during the procedure, the subject stent was fractured from the stent delivery wire within the microcatheter while advancing it to the target lesion and the delivery wire was advancing alone, resulting in deployment failure.The subject stent was replaced, and the procedure was completed successfully.No clinical consequences were reported to the patient due to this event.
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