One tracheostomy was returned for evaluation.Visual inspection of the device found a 2.0mm tear in the cuff.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 sample.It was observed that it is not even possible to inflate cuff due to leakage.The reported customer complaint has been confirmed, and the cause of issue was determined to be user interface.
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