(b)(4).The opt870 interface is used to deliver humidified oxygen to patients via tracheostomy.The interface is held in place by a neck strap and also includes a lanyard which is placed around the patient's neck or attached to the patient's clothing or bedding to remove the load of the breathing circuit from the patient's trach.Method: the complaint opt870 was returned to fisher & paykel healthcare (b)(4) and was visually inspected.Further information was also sought from the customer regarding handling and use of the subject interface.Results: visual inspection revealed that the tubing was pulled apart near the patient end connector.The tubing end connector and the grip were found to be partly pulled apart.A lot check was not performed as no lot information was provided.Conclusion: the customer had informed us that drugs were being nebulised but was not sure which drugs.Additionally they stated that it was possible that the tubing had been accidentally pulled apart.Based on the extent of the damage to the complaint interface it is likely that it has occurred as a result of excessive pulling force being exerted on the device.All optiflow interfaces are inspected during production for visual defects including cracks, tears, inclusions, discolouration and deformation.Any product that fails the visual inspection is rejected.Our user instructions that accompany the opt870 trache interface state: to ensure loading on tracheostomy tube is kept to a minimum, make sure lanyard is fitted appropriately.Do not crush or stretch tube.
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