Devices descending from K121912
4 later devices reach E1 Ear Sensors through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K122996 | Assurance Alar Sensor Model 10078; AB-N Adapter Cable Model 10085 | Xhale | 2013 | 3 | — |
| +2 | K143216 | Assurance Alar / Nasal SpO2 Sensor | Xhale, Inc. | 2015 | 2 | 1 |
| +3 | K171423 | Nasal Alar SpO2 Sensor | Xhale, Inc. | 2017 | 1 | 1 |
| +4 | K253887 | Nasal Alar SpO2 Sensor (989803205381); Nasal Alar SpO2 Sensor (989803205391); Nasal Alar… | Philips Medizin Systeme | 2026 | 0 | — |