Other, other text: investigation completed on a smiths a tracheostomy|pvc - portex tubes blue line ultra (blu).Two pictures were received.Samples one sample from pn: 100/860/080 was received in used conditions, without its original packaging and decontaminated.No discrepancies revealed when visually inspecting device from 12" -16".The sample was given functional testing by inflating the cuff and submerging in water that revealed no bubbles or leaking came out of pilot balloon.Picture was provided.Engineering practice reviewed and revealed 100% tested and believed cause was after leaving the manufacturing.
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