Devices descending from DEN170018
7 later devices reach NSS-2 System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K201873 | Sparrow Therapy System | Spark Biomedical, Inc. | 2021 | 3 | — |
| +1 | K173861 | Drug Relief | Dyansys, Inc. | 2018 | 2 | — |
| +2 | K233166 | NET Recovery Corp/NET Device | Net Recovery | 2024 | 0 | — |
| +2 | K230796 | Sparrow Ascent | Spark Biomedical, Inc. | 2023 | 1 | 1 |
| +2 | K211971 | Drug Relief v1 | Dyansys, Inc. | 2021 | 1 | — |
| +3 | K251246 | Sparrow Ascent | Spark Biomedical, Inc. | 2025 | 0 | — |
| +3 | K221231 | Drug Relief v1 | Dyansys, Inc. | 2022 | 0 | — |