Devices descending from K133191
3 later devices reach Probeam Proton Therapy System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K221791 | ProBeam 360° Proton Therapy System | Varian Medical Systems, Inc. | 2022 | 2 | — |
| +2 | K252815 | ProBeam 360 Proton Therapy System v3.0 | Varian Medical Systems, Inc. | 2026 | 0 | — |
| +2 | K231863 | ProBeam 360° Proton Therapy System v2.0 (Multiroom) | Varian Medical Systems, Inc. | 2023 | 1 | — |