(19)

(11)

EP 3 675 964 A1

(12)

(43) Date of publication: 08.07.2020 Bulletin 2020/28 (21) Application number: 18765406.6 (22) Date of filing: 30.08.2018

(51) International Patent Classification (IPC):  A62B 9/00(2006.01) A62B 7/10(2006.01) A62B 18/00(2006.01) (86) International application number: PCT/EP2018/073372 (87) International publication number: WO 2019/043110 (07.03.2019 Gazette 2019/10)

(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: 01.09.2017 WO PCT/CN2017/100227 19.03.2018 EP 18162442 (71) Applicant: Koninklijke Philips N.V. 5656 AG Eindhoven (NL)	(72) Inventors: SHI, Jun 5656 AE Eindhoven (NL) SU, Wei 5656 AE Eindhoven (NL) CHEN, Weizhong 5656 AE Eindhoven (NL) ZHANG, Peng 5656 AE Eindhoven (NL) (74) Representative: Philips Intellectual Property & Standards  High Tech Campus 5 5656 AE Eindhoven 5656 AE Eindhoven (NL)