Devices descending from K914272
14 later devices reach Koko Spirometer through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K051572 | Koko Legend | Pulmonary Data Services, Inc. | 2005 | 7 | — |
| +1 | K973314 | Spirosafe Filter | Micro Direct, Inc. | 1997 | 5 | — |
| +2 | K190022 | SafeBreath Filter Mouthpiece | MD Diagnostics Limited | 2019 | 0 | — |
| +2 | K121382 | Westmed, Inc.'S Blockaide Filter [21 CFR 807.87(a)] | Westmed, Inc. | 2012 | 0 | — |
| +2 | K100687 | Vitalograph Hand Held Spirometer, Model 2120 | Vitalograph (Ireland), Ltd. | 2010 | 6 | — |
| +2 | K051279 | Caldyne, Inc. Exhalometer EX100, Model EX100 | Caldyne, Inc. | 2005 | 0 | — |
| +2 | K043148 | All Flow Pulmonary Function Filter | Alliance Tech Medical, Inc. | 2004 | 2 | 1 |
| +3 | K200550 | Vitalograph Model 2120 In2itive eDiary | Vitalograph Ireland, Ltd. | 2020 | 2 | — |
| +3 | K160253 | Vitalograph Model 6300 micro | Vitalograph (Ireland), Ltd. | 2016 | 0 | — |
| +3 | K142642 | Vitalograph Model 6600 Compact | Vitalograph (Ireland), Ltd. | 2015 | 0 | — |
| +3 | K142812 | Vitalograph Model 6800 Pneumotrac | Vitalograph (Ireland), Ltd. | 2015 | 1 | — |
| +3 | K062913 | Astraguard Pulmonary Function Filter | Sdi Diagnostics, Inc. | 2007 | 0 | — |
| +4 | K212938 | Vitalograph Model 6000 Alpha | Vitalograph Ireland, Ltd. | 2022 | 1 | — |
| +5 | K251777 | MESI mTABLET SPIRO | Mesi D.O.O. | 2026 | 0 | — |