Devices descending from K920338
5 later devices reach Companion Retrofit Oxygen Concentration Indicator through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K984295 | Invacare Check O2 Plus Concentrator Analyzer (Check O2 Plus) | Invacare Corp. | 1999 | 4 | — |
| +2 | K112402 | ULTRAMAXO2 Oxygen Analyer | Maxtec, LLC | 2011 | 2 | — |
| +2 | K072469 | Digiflo Concentrator Analyzer | Digiflo, Inc. | 2008 | 3 | — |
| +3 | K261389 | PRO2 Elite Plus Oxygen Analyzer (PRO2PLUS-1) | Salter Labs | 2026 | 0 | — |
| +3 | K250002 | Smart Check O2 (MA0236) | Life Spark Medical, LLC | 2025 | 0 | — |