A review of the manufacturing device history record for the lot number provided (j609-322) was performed. the product was manufactured 09/07/2016. this investigation determined that all products were manufactured, inspected, and released in accordance with our established specifications for quality and efficacy. no lot number was provided for the tandem tube.However, a review was performed for (b)(4) which is the portion of the tandem tube which interfaces with the flex liner.During the last three years there have been no non-conformances which would affect the retention of the tandem tube in the flex liner.No sample was provided by the customer; therefore, an evaluation of the complaint device for deficiency of construction could not be performed.The tandem tube connector which interfaces with the flex liner is tested as part of routine quality controls to ensure proper retention between the tandem tube and flex liner.This test is performed upon a representative sample retrieved from each production lot.The acceptance criteria for this test requires that each specimen sustain a force of 21 pounds or greater.This force exceeds the weight that a full liner would exhibit by a significant factor.Without the actual event sample involved in the customer incident and duplication of the non-conformance, we are unable to determine a specific assignable cause for the reported incident.As a quality control, a sample is taken from every production lot of tandem tube connectors.The sample is tested to determine the force required to remove the tandem tube connector from the lid of the flex liner.Without a specific assignable cause, no specific corrective actions can be completed; however, we will continue to monitor concerns such as these for possible future actions. key production and quality personnel have been made aware of this reported incident through the investigation process. trending of past product quality reports indicate that this is the 1st reported incident for the tandem tube popping off with the flex advantage product line in the past three calendar years. no further action is planned at this time.
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