Service history was reviewed for the system.No service record relevant to the complaint reported event was found.However, the system was last serviced prior to the reported event.The service record (sr) was for installation of the system.The system found to meet all cosmetic and performance standards a non-conformance-based review of the batch/lot/serial number was performed and did not reveal any potential contributing factors to the reported complaint.A manufacturing device history record (dhr) review was performed prior to product release to ensure that the product was manufactured in compliance with the device master record.Based on the assessment, the product met release criteria.A review for complaints reported against this serial number was performed.No similar complaints were reported for the product serial under investigation.Based on the information obtained, the root cause of the reported event can be attributed to use error related to surgical technique, as the surgeon was not familiar with the functionality of the system.The surgeon continued to apply phaco after occlusion tones sounded and multiple trainings on the system.Manufacturers will continue to monitor data for evidence of adverse trending and take further action, as appropriate.The manufacturer internal reference number is: (b)(4).
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