One tracheostomy was returned evaluation.Visual inspection of the device found it to be in good physical condition.During the manufacturing process the uniperc devices are 100% inflation tested.The inflation test was used as functional testing on the returned sample.After 12 hours, the cuff was noted to be significantly deflated.The sample was then submerged under water, and cuff was inflated using a syringe.Air was observed to be leaking from the place where inflation line is connected with the inflation lumen.The most probable cause of issue was determined to be that the flange was pulled above the last marking, puncturing the lumen.It was determined that the reported customer complaint has been confirmed.
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