Devices descending from K934475
7 later devices reach Koko Filter II through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K121382 | Westmed, Inc.'S Blockaide Filter [21 CFR 807.87(a)] | Westmed, Inc. | 2012 | 0 | — |
| +1 | K083233 | The PFT Filter | Pulmonary Filtration Technologies, LLC | 2009 | 0 | — |
| +1 | K062913 | Astraguard Pulmonary Function Filter | Sdi Diagnostics, Inc. | 2007 | 0 | — |
| +1 | K043148 | All Flow Pulmonary Function Filter | Alliance Tech Medical, Inc. | 2004 | 2 | 1 |
| +1 | K013123 | Ems Pulmonary Function Testing Filter | Engineered Medical Systems | 2002 | 3 | — |
| +2 | K051712 | Model 2800 PFT Filter | Air Safety, Ltd. | 2005 | 1 | — |
| +3 | K142303 | NeumoFilt Ergo/Neumo Filt BiteOn | Medical Respiratory Devices S.L. | 2014 | 0 | — |