Devices descending from K120811
7 later devices reach Leksell Gamma Knife Perfexion through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K133565 | Leksell Gamma Knife Perfexion | Elekta Instrument AB | 2014 | 6 | — |
| +2 | K151159 | Leksell Gamma Knife Perfexion | Elekta Instrument AB | 2015 | 4 | 1 |
| +2 | K151561 | Leksell Gamma Knife Icon | Elekta Instrument AB | 2015 | 4 | 1 |
| +3 | K173789 | Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon | Elekta Instrument AB | 2018 | 2 | — |
| +3 | K160440 | Leksell Gamma Knife Icon | Elekta Instrument AB | 2016 | 3 | 1 |
| +4 | K222047 | Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon, Leksell Gamma Knife - Elekta… | Elekta Solutions AB | 2022 | 1 | — |
| +5 | K250391 | Leksell Gamma Knife® (Elekta Esprit); Leksell Gamma Knife® (Icon™); Leksell Gamma Knife®… | Elekta Solutions AB | 2025 | 0 | 1 |