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The doctor wanted to insert the zso-7-12 in the left hepatic duct.So the nurse prepared the zso-7-12, and the pigtail section was bent as she moved the stent sleeve to the pigtail section.She tried to pass the giuide wire into the zso-7-12, it was impossible event is fda mdr reportable based on the device malfunction reporting precedence for this device family for the issue of ¿stent kinked/ bent' and 'difficult advancement'.
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Device evaluation: 1 x zebd-7-9, of lot number c1557352, was not available for return to cirl.Rpn was listed as zso-7-12, in the event description but as zso-7-9, in the rpn section under the product info tab, confirmed with originator to be zso-7-9.(ref (b)(4), confirmation.Lab evaluation: n/a.Image review: n/a.Documents review including ifu review: prior to distribution all zebd-7-9, are subjected to visual and functional checks to ensure device integrity.A review of the manufacturing records for zebd-7-9, of lot number c1557352, did not reveal any discrepancies that could have contributed to this complaint issue.The review of relevant manufacturing records, confirms the failure mode has not previously occurred with the current lot number.Based on the information available to date, there is no evidence to suggest that there are any manufacturing issues associated with lot number c1557352.The instructions for use, ifu0045-6 which accompanies this device instructs the user to ¿visually inspect with particular attention to kinks, bends and breaks.If an abnormality is detected that would prohibit proper working condition, do not use.¿ also, the user is instructed by the instructions for use, ifu0045-6: ¿care must be exercised when straightening the pigtail curls* in order to avoid kinking or breaking the stent.¿ there is no evidence to suggest that the user did not follow the instructions for use.Root cause review: a definitive root cause cannot be determined, as the circumstances of use cannot be replicated in the laboratory and due to limited information.A possible cause of this complaint may be that the kink occurred while being straightened as it was being loaded onto the wire guide.Summary: complaint is confirmed based om customer testimony.According to the information reported, the patient did not experience any adverse effects due to this occurrence.Complaints of this nature will continue to be monitored for potential emerging trends.
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The doctor wanted to insert the zso-7-12, in the left hepatic duct.So the nurse prepared the zso-7-12, and the pigtail section was bent as she moved the stent sleeve to the pigtail section.She tried to pass the giuide wire into the zso-7-12, it was impossible.
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