Devices descending from K121975
25 later devices reach Airvo Humidifier Myairo Humidifier through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K131895 | Airvo 2 Humidifier, Myairvo 2 Humidifier | Fisher & Paykel Healthcare, Ltd. | 2013 | 24 | 2 |
| +2 | K243917 | F&P Optiflow Air/Oxygen Flow Source | Fisher & Paykel Healthcare, Ltd. | 2025 | 0 | — |
| +2 | K233707 | HFT150 | Invent Medical Corporation | 2024 | 0 | — |
| +2 | K222292 | F&P myAirvo 3 | Fisher & Paykel Healthcare | 2024 | 0 | — |
| +2 | K223863 | BONHAWA Respiratory Humidifier | Telesair, Inc. | 2023 | 0 | — |
| +2 | K221338 | F&P Airvo 3 | Fisher & Paykel Healthcare | 2023 | 2 | 1 |
| +2 | K162553 | AirSpiral Heated Breathing Tube | Fisher & Paykel Healthcare | 2018 | 15 | — |
| +2 | K180474 | TNI softFlow 50 | Tni Medical AG | 2018 | 0 | — |
| +3 | K251611 | Optiflow+ Nasal Cannula - Small (OPT942); Optiflow+ Nasal Cannula - Medium (OPT944)… | Fisher & Paykel Healthcare, Ltd. | 2025 | 0 | — |
| +3 | K233643 | F&P Airvo 3 NIV (PT311US) | Fisher & Paykel Healthcare, Ltd. | 2024 | 1 | — |
| +3 | K231956 | F&P Optiflow+ Duet Nasal Cannula | Fisher & Paykel Healthcare, Ltd. | 2024 | 0 | — |
| +3 | K220703 | F&P 950 Respiratory Humidifier | Fisher & Paykel Healthcare | 2023 | 1 | — |
| +3 | K222197 | F&P Optiflow Junior 2/2+ Nasal Cannula Interface Range | Fisher & Paykel Healthcare, Ltd. | 2023 | 3 | — |
| +3 | K212031 | F&P 850 AirSpiral Adult NIV and NHF Circuit Kit | Fisher & Paykel Healthcare, Ltd. | 2022 | 2 | — |
| +3 | K211096 | Optiflow Oxygen Kit | Fisher & Paykel Healthcare, Ltd. | 2022 | 2 | — |
| +3 | K201723 | F&P Optiflow Nasal Oxygen Cannula with CO2 Sampling | Fisher & Paykel Healthcare, Ltd. | 2021 | 2 | — |
| +3 | K191818 | F&P Optiflow 3S Nasal Cannula (Small, Medium, Large) | Fisher & Paykel Healthcare, Ltd. | 2020 | 0 | — |
| +4 | K262268 | Optiflow Oxygen Kit (AA484J) | Fisher and Paykel Healthcare Limited | 2026 | 0 | — |
| +4 | K250312 | Hudson RCI® Comfort Flo Nasal Cannula Premature, Infant; Hudson RCI® Comfort Flo Plus… | Medline Industries, LP | 2025 | 0 | — |
| +4 | K242931 | HFT750U | Mekics Co., Ltd. | 2025 | 0 | — |
| +4 | K241778 | Hudson RCI Comfort Flo® CubCannula™ | Medline Industries, LP | 2024 | 0 | — |
| +4 | K240163 | Hudson RCI® Comfort Flo Nasal Cannula; Hudson RCI® Comfort Flo Plus Cannula | Medline Industries, LP | 2024 | 0 | — |
| +4 | K234058 | F&P Optiflow Filtered Nasal Interface with Anesthesia Mask Compatibility (AA041J) | Fisher & Paykel Healthcare, Ltd. | 2024 | 1 | — |
| +4 | K233821 | F&P Optiflow Oxygen Kit (AA451J) | Fisher & Paykel Healthcare, Ltd. | 2024 | 0 | — |
| +5 | K253479 | Optiflow Switch+ Filtered Nasal Interface with CO2 Sampling (AA042J) | Fisher & Paykel Healthcare, Ltd. | 2025 | 0 | — |