Devices descending from K901057
8 later devices reach Spirometrics Model 2600 Miro Spirometer through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K963035 | Micro Spirometer | Micro Direct, Inc. | 1996 | 7 | — |
| +2 | K061283 | Pulmolife | Micro Medical, Ltd. | 2006 | 3 | — |
| +2 | K965042 | Microdl Diarycard Spirometer | Micro Direct, Inc. | 1997 | 2 | — |
| +3 | K100928 | Micro Diary Spirometer | Viasys Respiratory Care, Inc. | 2011 | 1 | — |
| +3 | K073155 | Vitalograph Model 4000 (Asma-1 and Copd-6) | Vitalograph (Ireland), Ltd. | 2008 | 2 | — |
| +4 | K241843 | TD-7301 Spirometer (TD-7301) | Gostar Co., Ltd. | 2024 | 0 | — |
| +4 | K113096 | Micro I | Carefusion Germany 234 GmbH | 2012 | 0 | — |
| +4 | K103575 | Spiro PD | Pmd Healthcare | 2011 | 0 | — |