Devices descending from K943678
21 later devices reach Electronic Flow Meter through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K982995 | Accutrax, Model EPF840 | Korr Medical Technologies, Inc. | 1998 | 20 | — |
| +2 | K040723 | Microlife Electronic Peak Flow Monitor, with Pef and FEV1, Models PF-100 and PF-100-1… | Microlife Intellectual Property GmbH | 2004 | 9 | — |
| +2 | K031024 | Microlife Electronic Peak Flow Monitor, Model PF-100 | Microlife Corp. | 2003 | 10 | — |
| +2 | K022276 | Kokomate | Ferraris Respiratory, Inc. | 2002 | 8 | — |
| +3 | K253180 | Microlife Digital Peak Flow Meter, Model PF200B (PF200B) | Microlife Corporation | 2026 | 0 | — |
| +3 | K181666 | Smart One | Mir Medical International Research | 2018 | 3 | — |
| +3 | K152276 | Wing Smart FEVI and Peak Flow Meter | Sparo, Inc. | 2016 | 4 | — |
| +3 | K092335 | Peak Expiratory Flow Meter, KN-9710 | K-Jump Health Co., Ltd. | 2010 | 0 | — |
| +3 | K051572 | Koko Legend | Pulmonary Data Services, Inc. | 2005 | 7 | — |
| +4 | K201635 | MouthLab Vital Signs Monitoring System | Multisensor Diagnostics (Dba Aidar Health) | 2021 | 0 | — |
| +4 | K200832 | Safey Peak Flow Meter | Safey Medical Devices Pvt, Ltd. | 2020 | 0 | — |
| +4 | K193311 | Aluna | Knox Medical Diagnostics, Inc. | 2020 | 1 | — |
| +4 | K180487 | Peak.me | Breathe Me, Ltd. | 2018 | 0 | — |
| +4 | K100687 | Vitalograph Hand Held Spirometer, Model 2120 | Vitalograph (Ireland), Ltd. | 2010 | 6 | — |
| +5 | K232588 | Aluna 2 | Knox Medical Diagnostics | 2024 | 0 | — |
| +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 | — |