Leksell
Not a stand-alone company today — the "Leksell" name anchors Elekta's stereotactic radiosurgery product line. Named for Lars Leksell, the Swedish neurosurgeon who invented the Gamma Knife in 1968 and co-founded Elekta in 1972.
Gamma Knife history
- 1951 — Lars Leksell (Karolinska, Sweden) publishes the concept of stereotactic radiosurgery.
- 1968 — first prototype Gamma Knife built in Sweden.
- 1987 — Gamma Knife Model U (first major commercial generation).
- 2006 — Gamma Knife Perfexion ships — major redesign with 192 sources + sector-based collimation.
- 2015 — Leksell Gamma Knife Icon — adds integrated CBCT + frameless treatment capability.
Product line
- Leksell Gamma Knife Icon — current flagship
- Leksell Stereotactic Frame (neurosurgical stereotactic reference frame — Leksell's original 1949 invention, the foundation of stereotactic neurosurgery)
- Leksell GammaPlan — treatment planning software
Market position
Sole global supplier of the Gamma Knife platform. Competitors (linac-based SRS, CyberKnife) take different architectural approaches but don't ship a cobalt-source Gamma Knife analog.