The root cause of the incident is unknown at the time of the initial report.The complaint device was not returned for evaluation yet, therefore the investigation and root cause analysis could not be performed.The dhr review of the complaint lot 645007 and related subassemblies lots 646116 and 646115 was performed, there was no deviation found in the records.The devices passed all 100% in process and aql based qc inspections.The manufacturer informed manufacturing operators and qc inspectors about the complaint.No remedial actions were initiated at the time of initial report due to the suspected user error (withdrawal of introducer when resistance was felt) and / or the incident could be related to the patient condition/anatomy based on results of investigations performed within the previous complaints.Additionally, a vessel spasm (which could be a potential cause of the resistance) can occur during the procedure, as defined under the potential complications section in ifu.(b)(4).
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