(19)

(11)

EP 4 388 560 A1

(12)

(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22765657.6 (22) Date of filing: 12.08.2022

(51) International Patent Classification (IPC):  G21K 5/04(2006.01) H01J 35/24(2006.01) H01J 35/08(2006.01) (52) Cooperative Patent Classification (CPC): H01J 35/08; H01J 35/24; G21K 5/04; A61B 6/032; A61B 6/4085; A61B 6/4476; A61N 2005/1061; A61N 5/1077 (86) International application number: PCT/US2022/040248 (87) International publication number: WO 2023/022949 (23.02.2023 Gazette 2023/08)

(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: 17.08.2021 US 202117404843 17.08.2021 US 202117404885 (71) Applicant: Varian Medical Systems, Inc. Palo Alto, CA 94304-1038 (US)	(72) Inventors: POEHLMANN-MARTINS, Flavio Fremont, CA 94536 (US) MAIN, William, Thompson Mariposa, CA 95338 (US) SHOJAEI, Amir Palo Alto, CA 94304 (US) (74) Representative: Foster, Mark Charles  Mathisen & Macara LLP Charta House 30-38 Church Street Staines-upon-Thames, Middlesex TW18 4EP Staines-upon-Thames, Middlesex TW18 4EP (GB)