Devices descending from K926449
71 later devices reach Varian Multileaf Collimator, Release 4.0 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K973889 | Varian Multileaf Collimator with Dynamic Arc Therapy Feature | Varian Medical Systems, Inc. | 1997 | 70 | — |
| +2 | K990085 | Millennium MLC -120 | Varian Assoc., Inc. | 1999 | 69 | 2 |
| +3 | K050442 | Millennium Multi-Leaf Collimator | Varian Medical Systems | 2005 | 67 | 2 |
| +3 | K042794 | Beam Modulator, Model 4513 332 8000 | Elekta, Ltd. | 2005 | 0 | — |
| +4 | K093250 | Proton Therapy Multileaf Collimator | Varian Medical Systems | 2009 | 1 | — |
| +4 | K092871 | Trilogy MX | Varian Medical Systems, Inc. | 2009 | 61 | 5 |
| +4 | K071992 | High-Definition 120 Multileaf Collimator (HD120 MLC) | Varian Medical Systems | 2007 | 64 | 4 |
| +5 | K152207 | Extended Range Shifter for PROBEAT-V | Hitachi, Ltd., Health Care Company | 2015 | 0 | — |
| +5 | K133240 | Varian Multileaf Collimator | Varian Medical Systems, Inc. | 2014 | 1 | — |
| +5 | K111862 | Viewray System | Viewray, Incorporated | 2012 | 9 | 9 |
| +5 | K111106 | Truebeam | Varian Medical Systems, Inc. | 2011 | 43 | 5 |
| +5 | K102915 | Viewray Treatment Planning and Delivery System | Viewray, Incorporated | 2011 | 15 | 1 |
| +6 | K183037 | Monaco RTP System | Elekta, Inc. | 2018 | 5 | 6 |
| +6 | K181404 | Varian High Energy Linear Accelerator, UNIQUE, Varian Multileaf Collimator | Varian Medical Systems, Inc. | 2018 | 0 | 1 |
| +6 | K162393 | The ViewRay (MRIdian) Linac System | Viewray, Incorporated | 2017 | 8 | — |
| +6 | K123808 | Agility | Elekta, Ltd. | 2013 | 36 | 2 |
| +6 | K123291 | Truebeam | Varian Medical Systems, Inc. | 2012 | 37 | — |
| +7 | K190178 | Monaco RTP System | Elekta, Inc. | 2019 | 4 | 5 |
| +7 | K181989 | MRIdian Linac System | Viewray, Incorporated | 2019 | 1 | 2 |
| +7 | K182138 | Precise Treatment System; Synergy platform; Synergy; Infinity; VersaHD | Eleckta Limited | 2018 | 3 | — |
| +7 | K170751 | MRIdian Linac System with 138-leaf Collimator | Viewray, Incorporated | 2017 | 7 | 4 |
| +7 | K140528 | True Beam, True Beam STX, Edge | Varian Medical Systems, Inc. | 2014 | 31 | 2 |
| +7 | K131965 | XVI R5.0 | Elekta Limited | 2013 | 8 | — |
| +8 | K213526 | Aurora-RT | Magnettx Oncology Solutions, Ltd. | 2022 | 0 | — |
| +8 | K212958 | MRIdian Linac System | Viewray, Incorporated | 2021 | 0 | — |
| +8 | K202789 | Monaco Rtp System | Elekta Solutions AB | 2021 | 3 | — |
| +8 | K192242 | Synergy Platform, Synergy, Infinity, VersaHD | Elekta Limited | 2019 | 2 | — |
| +8 | K182076 | Elekta Unity | Elekta Limited | 2018 | 3 | 4 |
| +8 | K171049 | Real Time Image Gating System for Proton Beam Therapy Systems | Hitachi, Ltd. Healthcare | 2017 | 0 | — |
| +8 | K161400 | ImagingRing System | Medphoton GmbH | 2016 | 1 | — |
| +8 | K151159 | Leksell Gamma Knife Perfexion | Elekta Instrument AB | 2015 | 4 | 1 |
| +8 | K151561 | Leksell Gamma Knife Icon | Elekta Instrument AB | 2015 | 4 | 1 |
| +8 | K143224 | TrueBeam-TrueBeam STx-Edge | Varian Medical Systems, Inc. | 2014 | 25 | 1 |
| +9 | K213787 | Monaco RTP System | Elekta Solutions AB | 2022 | 2 | — |
| +9 | K210500 | Elekta Synergy, Elekta Harmony, Elekta Infinity, Versa HD | Elekta Limited | 2021 | 1 | 10 |
| +9 | K192482 | Elekta Unity | Elekta Limited | 2019 | 2 | 3 |
| +9 | K191267 | ImagingRing System on Rails | Medphoton GmbH | 2019 | 0 | — |
| +9 | K173789 | Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon | Elekta Instrument AB | 2018 | 2 | — |
| +9 | K162472 | TrueBeam-TrueBeam STx-Edge | Varian Medical Systems, Inc. | 2017 | 23 | — |
| +9 | K160440 | Leksell Gamma Knife Icon | Elekta Instrument AB | 2016 | 3 | 1 |
| +9 | K150706 | VitalBeam | Varian Medical Systems, Inc. | 2015 | 0 | 1 |
| +10 | K252188 | EMLA (Elekta Evo); EMLA (VersaHD); EMLA (Elekta Harmony Pro); EMLA (Elekta Infintiy)… | Elekta Solutions AB | 2026 | 0 | — |
| +10 | K223233 | Monaco RTP System | Elekta Solutions AB | 2023 | 1 | — |
| +10 | K222047 | Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon, Leksell Gamma Knife - Elekta… | Elekta Solutions AB | 2022 | 1 | — |
| +10 | K212114 | Elekta Unity | Elekta Solutions AB | 2021 | 1 | 1 |
| +10 | K172013 | VitalBeam | Varian Medical Systems, Inc. | 2017 | 5 | — |
| +10 | K171733 | TrueBeam, TrueBeam STx, Edge | Varian Medical Systems, Inc. | 2017 | 7 | — |
| +10 | K170817 | Halcyon | Varian Medical Systems, Inc. | 2017 | 15 | — |
| +11 | K252002 | Monaco RTP System (6.3) | Elekta Solutions AB | 2026 | 0 | — |
| +11 | K250391 | Leksell Gamma Knife® (Elekta Esprit); Leksell Gamma Knife® (Icon™); Leksell Gamma Knife®… | Elekta Solutions AB | 2025 | 0 | 1 |
| +11 | K223209 | Elekta Unity | Elekta Solutions AB | 2023 | 0 | — |
| +11 | K213977 | TrueBeam, TrueBeam STx, Edge, VitalBeam | Varian Medical Systems, Inc. | 2022 | 4 | — |
| +11 | K210894 | Siddharth-II; Impact | Panacea Medical Technologies Pvt., Ltd. | 2021 | 1 | — |
| +11 | K181032 | Halcyon | Varian Medical Systems, Inc. | 2018 | 14 | — |
| +12 | K231317 | TrueBeam, TrueBeam STx, Edge, VitalBeam | Varian Medical Systems, Inc. | 2023 | 2 | — |
| +12 | K222762 | Siddharth-II;Impact | Panacea Medical Technologies Pvt., Ltd. | 2023 | 0 | — |
| +12 | K223839 | TrueBeam, TrueBeam STx, Edge, VitalBeam | Varian Medical Systems, Inc. | 2023 | 0 | — |
| +12 | K193207 | TaiChiA | Our United Corporation | 2020 | 1 | — |
| +12 | K192377 | Ethos Treatment Management, Ethos Treatment Planning, Ethos Radiotherapy System, Halcyon | Varian Medical Systems, Inc. | 2020 | 9 | — |
| +13 | K232870 | TrueBeam, TrueBeam STx, EDGE and VitalBeam (4.1) | Varian Medical Systems, Inc. | 2023 | 1 | — |
| +13 | K222941 | Halcyon, Ethos Radiotherapy System | Varian Medical Systems, Inc. | 2023 | 3 | — |
| +13 | K210921 | TaiChiB | Our United Corporation | 2021 | 0 | — |
| +13 | K212294 | Ethos Treatment Management, Ethos Treatment Planning | Varian Medical Systems, Inc. | 2021 | 4 | — |
| +14 | K252948 | TrueBeam, TrueBeam STX, Edge and VitalBeam | Varian Medical Systems, Inc. | 2025 | 0 | — |
| +14 | K232923 | Ethos Treatment Management (3.0); Ethos Treatment Planning (2.0) | Varian Medical Systems, Inc. | 2024 | 0 | — |
| +14 | K232479 | ART-Plan | Therapanacea | 2023 | 2 | — |
| +14 | K232113 | Halcyon, Ethos Radiotherapy System | Varian Medical Systems, Inc. | 2023 | 2 | — |
| +15 | K253078 | ART.1-US | Seetreat Pty, Ltd. | 2026 | 0 | — |
| +15 | K252977 | Halcyon, Ethos Radiotherapy System (5.0) | Varian Medical Systems, Inc. | 2026 | 1 | — |
| +15 | K234068 | ART-Plan (v.2.2.0) | Therapanacea Sas | 2024 | 0 | — |
| +16 | K261856 | Halcyon, Ethos Radiotherapy System (5.0) | Varian Medical Systems, Inc. | 2026 | 0 | — |