(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 trache.Method: fisher & paykel healthcare did not receive the complaint opt870 for evaluation, as it was discarded by the customer.Our investigation is based on the information provided by the customer.Results: the customer reported that the opt870 was torn at the tubing.It was further reported that the opt870 tubing was torn by the patient, who uses the opt870 tracheostomy interface at home.It was noted that the device kept getting caught between the customer's chair and the customer kept tugging on it.A lot check was not performed as no lot information was provided.Conclusion: we are unable to confirm the reported complaint, but based on the information provided by the customer, it is likely that the tubing became torn 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.Device was discarded by the customer.
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