(19)

(11)

EP 4 288 146 A1

(12)

(43) Date of publication: 13.12.2023 Bulletin 2023/50 (21) Application number: 22704888.1 (22) Date of filing: 02.02.2022

(51) International Patent Classification (IPC):  A61N 5/10(2006.01) (52) Cooperative Patent Classification (CPC): A61N 5/1031; A61N 5/1081; A61N 5/1084; A61N 2005/1087; A61N 2005/1091 (86) International application number: PCT/EP2022/052412 (87) International publication number: WO 2022/167455 (11.08.2022 Gazette 2022/32)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 02.02.2021 US 202117248670 (71) Applicant: ELEKTA AB (publ.) 103 93 Stockholm (SE)	(72) Inventor: SJOLUND, Jens Olof 103 93 Stockholm (SE) (74) Representative: Hamer, Thomas Daniel et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)