The following fields were updated due to additional information: d10: device available for eval yes, d10: returned to manufacturer on: 07-mar-2022.H6: investigation summary: four samples of item# mz9267, lot# 21105940 were submitted for quality investigation.The samples were tested as received, with a 3ml bd syringe attached.The 3ml bd syringe that was attached to three of mz9267 extension sets and one coviden syringe was connected to the mz9267 extensions set.The syringes were filled with water and reconnected to the maxzero connectors of the extension sets.When pushing the water through the extension set leakage was noticed at the joint location between the syringe and maxzero.A new 3ml bd syringe (lot# 0183088) was provided by the customer and was tested with the extension sets submitted.The new syringe with the maxzero extension set did not show any signs of leakage.The customer complaint of connection issues and leakage due to the maxzero connector could not be verified.A device history record review for model mz9267 lot number 21105940 was performed.The search showed that a total of (b)(4) units in 1 lot number was built on 21oct2021.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.Based on the investigation, the root cause for the issue seen in this complaint was not caused by the maxzero connector but by the syringe that it was connected to.Three samples of item# mz9267, lot# 21095420 were submitted for quality investigation.The samples were tested as received, with a 3ml bd syringe attached.The 3ml bd syringe that was attached to the mz9267 extension sets were filled with water and reconnected to the maxzero connectors of the extension sets.When pushing the water through the extension set leakage was noticed at the joint location between the syringe and maxzero.A new 3ml bd syringe (lot# 0183088) was provided by the customer and was tested with the extension sets submitted.The new syringe with the maxzero extension set did not show any signs of leakage.The customer complaint of connection issues and leakage due to the maxzero connector could not be verified.A device history record review for model mz9267 lot number 21095420 was performed.The search showed that a total of (b)(4) units in 1 lot number was built on 20sep2021.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.Based on the investigation, the root cause for the issue seen in this complaint was not caused by the maxzero connector but by the syringe that it was connected to.Two new samples of item# mz9267, lot#21095419 was submitted for quality investigation.The samples were tested with a new item# mz9267 3ml syringe, lot# 1118091.Water was drawn into the syringe and connected to the extension set.The liquid was then pushed through the entire assembly.There was no leakage observed during testing.The extension set was then connected to a 3 ml syringe that had previously shown leakage with the same model extension set.When testing the extension set with that specific syringe, leakage was observed at the connection point with the maxzero.The customer complaint of connection issue and leakage could not be verified.A device history record review for model mz9267 lot number 21095419 was performed.The search showed that a total of (b)(4) units in 1 lot number was built on 20sep2021.There were no quality notifications issued for the failure mode reported by the customer during the production build of this set.Based on the investigation, the root cause for the issue seen in this complaint was not caused by the maxzero connector but by the syringe that it was connected to.Two samples of item# mz9267, with unknown lot number were submitted for quality investigation.The samples were tested with a new item# mz9267 3ml syringe, lot# 0183088.Water was drawn into the syringe and connected to the extension set.The liquid was then pushed through the entire assembly.There was no leakage observed during testing.The extension set was then connected to a 3 ml syringe that had previously shown leakage with the same model extension set.When testing the extension set with that specific syringe, leakage was observed at the connection point with the maxzero.The customer complaint of connection issues and leakage due to the maxzero connector was not verified.A device history record review could not be performed because the lot number is unknown.Based on the investigation, the root cause for the issue seen in this complaint was not caused by the maxzero connector but by the syringe that it was connected to.
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