Other, other text: investigation completed on a smiths medical tracheostomy|silicone - bivona tube was received and reviewed under visual inspection p/n 60nfps35 l/n unknown.The tube was reviewed to be crushed and wires were misaligned.In attempt to reproduce the complaint, the shaft was twisted and pulled with force in order to see if the complaint could be reproduced.It was seen that in all samples the wire of the shaft was misaligned, and the tube was kinked.This units were like the sample received.See pictures provided.Manufacturing guidelines stated below: on section 4.8 states: do not use a tube that is cur or damaged.Use of a damaged tube can result in airway compromise.This device must be thoroughly inspected for signs of damage or wear prior to each use.See images below for evidence: on section 4.4 states: the security of all connectors should be checked when the circuit is established and frequently thereafter.Failure to do so may result in restricted ventilation.Avoid application of excessive rotation or lineal forces on the tube during and after attachment of the breathing system to the tracheostomy tube to prevent accidental disconnection or occlusion.See images below for evidence: reviewed manufacturing process production line which revealed production line passing at 100% prior to release of product.The occurrence is believed to happen after leaving manufacturing.
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