Devices descending from K984031
10 later devices reach Spirovit, Model SP-250 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K992823 | Spirovit SP-2, Pneumocheck II | Schiller AG | 2000 | 9 | — |
| +2 | K022276 | Kokomate | Ferraris Respiratory, Inc. | 2002 | 8 | — |
| +3 | K051572 | Koko Legend | Pulmonary Data Services, Inc. | 2005 | 7 | — |
| +4 | K100687 | Vitalograph Hand Held Spirometer, Model 2120 | Vitalograph (Ireland), Ltd. | 2010 | 6 | — |
| +5 | K200550 | Vitalograph Model 2120 In2itive eDiary | Vitalograph Ireland, Ltd. | 2020 | 2 | — |
| +5 | K160253 | Vitalograph Model 6300 micro | Vitalograph (Ireland), Ltd. | 2016 | 0 | — |
| +5 | K142642 | Vitalograph Model 6600 Compact | Vitalograph (Ireland), Ltd. | 2015 | 0 | — |
| +5 | K142812 | Vitalograph Model 6800 Pneumotrac | Vitalograph (Ireland), Ltd. | 2015 | 1 | — |
| +6 | K212938 | Vitalograph Model 6000 Alpha | Vitalograph Ireland, Ltd. | 2022 | 1 | — |
| +7 | K251777 | MESI mTABLET SPIRO | Mesi D.O.O. | 2026 | 0 | — |