Devices descending from K954492
9 later devices reach Mercury Medical Expiratory Resistance Exerciser, Resistex through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K991788 | Salter Labs Pep Device | Salter Labs | 1999 | 0 | — |
| +1 | K983467 | Therapep | Dhd Healthcare Corp. | 1999 | 7 | — |
| +2 | K090829 | Pari Pep S | Pari Respiratory Equipment, Inc. | 2009 | 0 | — |
| +2 | K991561 | Roadrunner, Pep Therapy Device | Dhd Healthcare Corp. | 1999 | 5 | — |
| +3 | K233855 | AllPEP | Enchant Tek Co., Ltd. | 2024 | 0 | — |
| +3 | K160636 | iPEP System and vPEP | D R Burton Healthcare, LLC | 2016 | 0 | — |
| +3 | K140772 | Aerosure Medic | Actegy, Ltd. | 2014 | 1 | — |
| +3 | K133057 | Vibralung Acoustical Percussor | Westmed, Inc. | 2014 | 0 | — |
| +4 | K203378 | Pulsehaler | Respinova, Ltd. | 2021 | 0 | — |