Devices descending from K120233
11 later devices reach Synchrony Respiratory Tracking System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K122451 | Exactrac Vero | Brainlab AG | 2012 | 10 | 2 |
| +2 | K181789 | VeriSuite | Medcom GmbH | 2018 | 0 | — |
| +2 | K131965 | XVI R5.0 | Elekta Limited | 2013 | 8 | — |
| +3 | K171049 | Real Time Image Gating System for Proton Beam Therapy Systems | Hitachi, Ltd. Healthcare | 2017 | 0 | — |
| +3 | K161400 | ImagingRing System | Medphoton GmbH | 2016 | 1 | — |
| +3 | K151561 | Leksell Gamma Knife Icon | Elekta Instrument AB | 2015 | 4 | 1 |
| +4 | K191267 | ImagingRing System on Rails | Medphoton GmbH | 2019 | 0 | — |
| +4 | K160440 | Leksell Gamma Knife Icon | Elekta Instrument AB | 2016 | 3 | 1 |
| +5 | K173789 | Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon | Elekta Instrument AB | 2018 | 2 | — |
| +6 | K222047 | Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon, Leksell Gamma Knife - Elekta… | Elekta Solutions AB | 2022 | 1 | — |
| +7 | K250391 | Leksell Gamma Knife® (Elekta Esprit); Leksell Gamma Knife® (Icon™); Leksell Gamma Knife®… | Elekta Solutions AB | 2025 | 0 | 1 |