Devices descending from K821481
19 later devices reach Nasal-Throat Spray Irrigation Instrum. through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K973875 | Rinoflow Micronized E.N.T. Wash System | Respironics, Inc. | 1998 | 17 | — |
| +1 | K963550 | Rinoflow Micronized E.N..T. Wash Sytstem | Respironics, Inc. | 1996 | 0 | — |
| +2 | K140542 | Navage Nasal Irrigator, Navage Nose Cleaner | Rhinosystems, Inc. | 2014 | 0 | — |
| +2 | K082762 | Aardvark Nasal Irrigation and Aspiration Device | Aardvark Medical | 2008 | 15 | — |
| +3 | K131099 | AG Mass | Hospitech Respiration, Ltd. | 2013 | 0 | — |
| +3 | K090379 | Avita Nasal Aspirator, Model, NS1 Series | Avita Corporation | 2010 | 13 | — |
| +4 | K241852 | Nasal Aspirator (NS 13) | Avita Corporation | 2024 | 2 | — |
| +4 | K222547 | Electric nasal aspirator | Shenzhen Xinlianfeng Technology Co.,Ltd | 2022 | 9 | — |
| +4 | K180863 | FORA NAS100 Electronic Nasal Aspirator, Electronic Nasal Aspirator | Taidoc Technology Corporation | 2018 | 10 | — |
| +5 | K253629 | Momcozy Nasal Aspirator (BN007) | Shenzhen Root Innovation Technology Co., Ltd. | 2026 | 0 | — |
| +5 | K260134 | Baby Nasal Aspirator (BN006, BN006-A, BN006-B, BN006-C, BN006-D, BN02; BN008, BN008-A… | Shenzhen Root Innovation Technology Co., Ltd. | 2026 | 0 | — |
| +5 | K260473 | Electric nasal aspirator (BC027, BC030, BC033, BC035, BC035B) | Shenzhen Kingboom Technology Co., Ltd. | 2026 | 0 | — |
| +5 | K250697 | Electric Nasal Aspirator (BC026, BC025, BC023) | Shenzhen Kingboom Technology Co., Ltd. | 2025 | 1 | — |
| +5 | K242028 | Nasal Aspirator (BC-021, BC-022, BC-023, BC-024, BC-025, BC-026) | Dongguanshi Yiyingmei Technology Co., Ltd. | 2024 | 0 | — |
| +5 | K241202 | Electric nasal aspirator (HTD2601US) | Hetaida Technology Co., Ltd. | 2024 | 1 | — |
| +5 | K233901 | Baby Nasal Aspirator (KA1006, KA1001, KA1005, NASA005, NASA006, NASA008, NASA009) | Shenzhen Desida Technology Co., Ltd. | 2024 | 3 | — |
| +6 | K260147 | Electric nasal aspirator (BC026, BC025, BC023, BC028, BC029, BC036) | Shenzhen Kingboom Technology Co., Ltd. | 2026 | 0 | — |
| +6 | K244033 | Electric Nasal Aspirator (NASA601,NASA602,NASA603,NASA605,NASA606,NASA608,NASA610) | Shenzhen Desida Technology Co., Ltd. | 2025 | 2 | — |
| +7 | K253107 | Electric Nasal Aspirator (DT10 and DT50, DX80, DX85, DX86 and DX90) | Shenzhen Dongjiang Technology Co., Ltd. | 2026 | 0 | — |