Devices descending from K170817
15 later devices reach Halcyon through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K181032 | Halcyon | Varian Medical Systems, Inc. | 2018 | 14 | — |
| +2 | K210894 | Siddharth-II; Impact | Panacea Medical Technologies Pvt., Ltd. | 2021 | 1 | — |
| +2 | K193207 | TaiChiA | Our United Corporation | 2020 | 1 | — |
| +2 | K192377 | Ethos Treatment Management, Ethos Treatment Planning, Ethos Radiotherapy System, Halcyon | Varian Medical Systems, Inc. | 2020 | 9 | — |
| +3 | K222762 | Siddharth-II;Impact | Panacea Medical Technologies Pvt., Ltd. | 2023 | 0 | — |
| +3 | K222941 | Halcyon, Ethos Radiotherapy System | Varian Medical Systems, Inc. | 2023 | 3 | — |
| +3 | K210921 | TaiChiB | Our United Corporation | 2021 | 0 | — |
| +3 | K212294 | Ethos Treatment Management, Ethos Treatment Planning | Varian Medical Systems, Inc. | 2021 | 4 | — |
| +4 | K232923 | Ethos Treatment Management (3.0); Ethos Treatment Planning (2.0) | Varian Medical Systems, Inc. | 2024 | 0 | — |
| +4 | K232479 | ART-Plan | Therapanacea | 2023 | 2 | — |
| +4 | K232113 | Halcyon, Ethos Radiotherapy System | Varian Medical Systems, Inc. | 2023 | 2 | — |
| +5 | K253078 | ART.1-US | Seetreat Pty, Ltd. | 2026 | 0 | — |
| +5 | K252977 | Halcyon, Ethos Radiotherapy System (5.0) | Varian Medical Systems, Inc. | 2026 | 1 | — |
| +5 | K234068 | ART-Plan (v.2.2.0) | Therapanacea Sas | 2024 | 0 | — |
| +6 | K261856 | Halcyon, Ethos Radiotherapy System (5.0) | Varian Medical Systems, Inc. | 2026 | 0 | — |