One smiths medical tracheostomy|pvc - portex tubes bluselect was returned for analysis in a used condition.Under visual inspection the sample appeared to be in good condition.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.The inflation test was repeated on the received samples.It was confirmed that after 12 hours the cuff was still fully inflated.Also, no leak was found when inflated device was put under water.Based on the evidence, the complaint was not confirmed, and no fault was found.
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