Devices descending from K181422
6 later devices reach SPRINT Peripheral Nerve Stimulation System, Extensa, SPRINT Peripheral Nerve… through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K212859 | First Relief | Dyansys, Inc. | 2021 | 0 | — |
| +1 | K202660 | SPRINT PNS System | Spr Therapeutics, Inc. | 2021 | 5 | — |
| +2 | K213188 | Primary Relief | Dyansys, Inc. | 2022 | 1 | — |
| +2 | K211801 | SPRINT PNS System | Spr Therapeutics, Inc. | 2021 | 1 | — |
| +3 | K223306 | SPRINT Peripheral Nerve Stimulation (PNS) System | Spr Therapeutics, Inc. | 2023 | 0 | — |
| +3 | K221425 | Primary Relief | Dyansys, Inc. | 2022 | 0 | — |