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Other, other text: the investigation of the complaint was limited because no sample was returned.Customer is claiming cuff leaks which was discovered during pre-use check which is required by instruction for use as10001029-002 rev.100, page 4, instruction for use section, point 1: "the integrity of the cuff and inflation system should be checked prior to insertion".During manufacturing process the devices are 100% inflation tested, which includes inflating each device cuff and leaving for a 12 hour period.Reductions in pressure over this time are considered a failure and the device would be rejected.History of internal ncrs showed that recently there was raised internal nonconformity report ncr1826 due to cuff tear which was found after inflation test.Corrective actions have been taken including initiation of quality alert, training of whole production during production town hall meeting, replacement of gauges and equipment with sharp edges by blunt versions, warning in manufacturing procedure and establishing better organization on affected workplace.No trend of confirmed complaints in relation with this issue was identified.Unfortunately without the sample we are unable to determine true root cause of this issue.
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