Devices descending from K222941
3 later devices reach Halcyon, Ethos Radiotherapy System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K232113 | Halcyon, Ethos Radiotherapy System | Varian Medical Systems, Inc. | 2023 | 2 | — |
| +2 | K252977 | Halcyon, Ethos Radiotherapy System (5.0) | Varian Medical Systems, Inc. | 2026 | 1 | — |
| +3 | K261856 | Halcyon, Ethos Radiotherapy System (5.0) | Varian Medical Systems, Inc. | 2026 | 0 | — |