The customer did not retain the product lot information for this procedure pack, therefore the device history records traceable to the reported procedure pack could not be reviewed.A wet cassette was visually inspected.In the returned condition, the pump elastomer was removed from the cassette.No abnormality was observed on the elastomer and cassette base channel.The elastomer is pressed on the validated equipment, during production, before releasing the sample.Functional testing on the cassette could not be performed due to the returned condition of the sample.The root cause of the customer's complaint could not determine conclusively.Due to the returned sample status, functional testing could not be completed to determine the root cause of the customer's complaint.This complaint has been reviewed and it is determined that no further actions will be pursed at this time.All lots are verified that all required tests have been performed and all acceptance criteria were met.Based on our current tracking, there are no adverse trends for this reported complaint.Quality assurance has reviewed this complaint and 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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