The following fields were updated due to additional information: possible lots d4: medical device lot #: 22045599; d4: medical device expiration date: 07apr2025 ; h4: device manufacture date: 07apr2022.D4: medical device lot #: 22045695; d4: medical device expiration date: 08apr2025; h4: device manufacture date: 08apr2022.D4: medical device lot #: 22045694; d4: medical device expiration date: 07apr2025 ; h4: device manufacture date: 07apr2022.D4: medical device lot #: 22045754; d4: medical device expiration date: 09apr2025; h4: device manufacture date: 09apr2022.D4: medical device lot #: 22045696; d4: medical device expiration date: 08apr2025; h4: device manufacture date: 08apr2022.D4: medical device lot #: 22045747; d4: medical device expiration date: 11apr2025; h4: device manufacture date: 11apr2022.H6: investigation summary : a complaint of a set being misassembled was received from the customer.A sample was returned for investigation.Through visual inspection, misassembly was not confirmed as the sample did have a roller clamp.However, separation was seen at the lower part of the pumping segment.No ring was seen but an indent of where the ring would be can be seen on the tubing.Possible lots were determined using the smart site ids.A device history record review for model 2420-0007, lot number 22045599 was performed.The search showed that a total of (b)(4) units in 1 lot number were built on 07apr2022.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.A device history record review for model 2420-0007, lot number 22045695 was performed.The search showed that a total of (b)(4) units in 1 lot number were built on 08apr2022.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.A device history record review for model 2420-0007 , lot number 22045694 ,was performed.The search showed that a total of (b)(4) units in 1 lot number were built on 07apr2022.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.A device history record review for model 2420-0007, lot number 22045754, was performed.The search showed that a total of (b)(4) units in 1 lot number were built on 09apr2022.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.A device history record review for model 2420-0007, lot number 22045696, was performed.The search showed that a total of (b)(4) units in 1 lot number were built on 08apr2022.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.A device history record review for model 2420-0007, lot number 22045747, was performed.The search showed that a total of (b)(4) units in 1 lot number were built on 11apr2022.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.A root cause could not be determined as misassembly was not observed.A root cause could not be determined as misassembly was not observed.The manufacturing site was notified of the separation defect.After review of the assembly process and consideration of the controls that exist , the potential root cause of the separation is not related to the manufacturing process.This is also confirmed with evidence that the ring retainer was assembled onto the set.The root cause is unknown.
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