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(11)

EP 4 090 387 A1

(12)

(43) Date of publication: 23.11.2022 Bulletin 2022/47 (21) Application number: 21708574.5 (22) Date of filing: 18.02.2021

(51) International Patent Classification (IPC):  A61L 2/22(2006.01) B05B 9/03(2006.01) B05B 13/02(2006.01) B25J 11/00(2006.01) B25J 19/02(2006.01) B05B 12/12(2006.01) G05D 1/02(2020.01) A61L 2/24(2006.01) B05B 13/00(2006.01) B05B 13/04(2006.01) B25J 13/08(2006.01) B25J 5/00(2006.01) G05D 1/00(2006.01) (52) Cooperative Patent Classification (CPC): A61L 2/22; A61L 2/24; B05B 13/005; B05B 13/0431; B05B 12/122; B05B 12/124; G05D 1/0246; G05D 2201/0203; G05D 1/0011; A61L 2202/25; A61L 2202/11; A61L 2202/16; A61L 2202/15; B05B 9/0423 (86) International application number: PCT/EP2021/054013 (87) International publication number: WO 2021/165389 (26.08.2021 Gazette 2021/34)

(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: 21.02.2020 CN 202010109105 21.02.2020 CN 202020197873 U (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: WANG, Kai 110000 Shenyang (CN) YU, Qi 21100 Nanjing (CN) SUN, Zhao Jun 102400 Beijing (CN) CHEN, Ru Long 266500 Qingdao (CN) LIU, Jiang Bo 266109 Qingdao (CN) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Charles Hassa Peckmann & Partner mbB Friedrichstrasse 31 80801 München 80801 München (DE)