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EP 4 432 902 A1

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(43) Date of publication: 25.09.2024 Bulletin 2024/39 (21) Application number: 22818635.9 (22) Date of filing: 16.11.2022

(51) International Patent Classification (IPC):  A61B 5/00(2006.01) A61B 5/026(2006.01) A61B 5/1455(2006.01) A61B 5/024(2006.01) A61B 5/0295(2006.01) (52) Cooperative Patent Classification (CPC): A61B 5/0059; A61B 5/0295; A61B 5/0261; A61B 5/02416; A61B 5/1455; A61B 5/681; A61B 2562/06; A61B 2562/028; A61B 2562/0285 (86) International application number: PCT/EP2022/082162 (87) International publication number: WO 2023/088978 (25.05.2023 Gazette 2023/21)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 16.11.2021 US 202163279932 P 01.04.2022 US 202217711974 22.09.2022 US 202217934502 (71) Applicant: Rockley Photonics Limited Altrincham, Cheshire WA14 2DT (GB)

(72) Inventors: BECHTEL, Kate LeeAnn Pasadena, CA 91101 (US) MCMILLAN, James Pasadena, CA 91101 (US) AFSHINMANESH, Farzaneh Pasadena, CA 91101 (US) DUNN, Cody Pasadena, CA 91101 (US) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)