(b)(4).Corrected data: section d9 device available for evaluation? no.Section h3 device evaluated by manufacturer? other.Method: the complaint mr290v vented autofeed humidification chamber was not returned to fisher & paykel healthcare for evaluation.Our investigation is based on the information provided by the customer and our knowledge of the product.Results: the customer reported that a mr290v vented autofeed humidification chamber has "hole" and leaking water during use.Conclusion: without the return of the complaint device, we are unable to determine the cause of the reported failure.Every mr290v chamber is pressure tested following the manufacturing process to check for any leaks present in the chamber dome due to cracks and other causes.Any chamber which fails this test is rejected.In addition, the pressure test is followed by a visual inspection of each chamber.No cracks in the chamber dome are acceptable.Any chamber that fails this inspection is rejected.The subject mr290v chamber would have met the required specification at the time of production.Our user instructions that accompany the mr290v vented autofeed humidification chamber state the following: - "do not soak, wash, sterilize, or reuse this product.Avoid contact with chemicals, cleaning agents, or hand sanitizers." - "set appropriate ventilator alarms." - "perform a pressure and leak test on the breathing system and check for occlusions before connecting to a patient.".
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