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(b)(4).Method: the subject device, ojr412 optiflow junior 2 nasal cannula was returned to fisher & paykel healthcare (f&p), new zealand for evaluation.Our investigation is thus based on the evaluation of the returned device, information provided by the distributor, and our knowledge of the product.Results: upon evaluation of the subject device, it was confirmed that the tubing was detached from the cannula end.The tubing was further inspected, residue of glue was observed on the portion of the tube that connects to the cannula; however, the residue does not appear to be uniformly distributed around the tubing.Conclusion: based on the investigation of the returned device, information provided by the distributor, and our knowledge of the product, the observed glue distribution at the tubing end may have contributed to the reported event.The user instructions illustrate in pictorial format the correct set-up and proper use of the optiflow junior 2 nasal cannula.They also state the following:
- "appropriate patient monitoring (e.G.Oxygen saturation) must be used at all times.Failure to monitor the patient (e.G.In the event of an interruption to gas flow) may result in serious harm or death)."
- "ensure that all connections are secure during use.Check cannula is undamaged and that the flow path is maintained.Under excessive load, the cannula may disconnect to prevent forces being transferred to the patient.".
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