(b)(4).Device 1, 2 & 3: batch: 2102074441, date of manufacture: 09 mar 2022, udi: (b)(4).Device 4: batch: 2101980011, date of manufacture: 13 jan 2022, udi: (b)(4).Device 5: batch: 2101932194, date of manufacture: 02 dec 2021 , udi: (b)(4).Device 6: batch: not provided, date of manufacture: not provided, udi: not provided.The complaint mr290v vented autofeed humdification chambera are currently en-route to fisher & paykel healthcare for evaluation.We will provide a follow up report upon completion of our investigation.
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Ps(b)(4).Section d4 and h4: device 1, 2 & 3: batch: 2102074441, date of manufacture: 09 mar 2022, udi: (b)(4).Device 4: batch: 2101980011, date of manufacture: 13 jan 2022, udi: (b)(4).Device 5: batch: 2101932194, date of manufacture: 02 dec 2021, udi: ((b)(4).Device 6: batch: not provided, date of manufacture: not provided, udi: not provided.Corrected data: section d9 device available for evaluation? no.Section h3 device evaluated by manufacturer? other.Method: the complaint mr290v vented autofeed humidification chambers were not returned to fisher & paykel healthcare for evaluation.Our investigation is thus based on the information and photographs provided by the customer and our knowledge of the product.Results: visual inspection of the provided photographs revealed that the chamber bases were deformed and chamber domes were cracked.Conclusion: without the complaint device, we are unable to determine the cause of the reported event.However, the provided photographs indicate that the damage were most likely due to transport damage.Every mr290v chamber is pressure tested following the manufacturing process to check for any leaks present in the chamber 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 chambers 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." - "ensure appropriate ventilator or flow source alarms are set before connecting breathing set to patient." - "perform a pressure and leak test on the breathing system and check for occlusions before connecting to a patient." - "use of the mr290 above the maximum operating pressure may lead to cracking, water leakage and, on rare occasions could lead to a loss of ventilation pressure.".
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