Devices descending from K173789
2 later devices reach Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K222047 | Leksell Gamma Knife Perfexion, Leksell Gamma Knife Icon, Leksell Gamma Knife - Elekta… | Elekta Solutions AB | 2022 | 1 | — |
| +2 | K250391 | Leksell Gamma Knife® (Elekta Esprit); Leksell Gamma Knife® (Icon™); Leksell Gamma Knife®… | Elekta Solutions AB | 2025 | 0 | 1 |