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(11)

EP 4 771 422 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24860924.0 (22) Date of filing: 28.08.2024

(51) International Patent Classification (IPC):  G01T 1/29(2006.01) H04N 23/56(2023.01) H04N 23/12(2023.01) A61B 6/42(2024.01) (52) Cooperative Patent Classification (CPC): H04N 23/56; H04N 23/55; G01T 1/295 (86) International application number: PCT/US2024/044173 (87) International publication number: WO 2025/049567 (06.03.2025 Gazette 2025/10)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 29.08.2023 US 202363579395 P (71) Applicant: Calidar, Inc. Durham, NC 27709 (US)	(72) Inventors: STRYKER, Stefan Matthias Durham, NC 27703 (US) CARPENTER, Joshua Howard Raleigh, NC 27612 (US) (74) Representative: Cameron Intellectual Property Ltd  Moncrieff House 69 West Nile Street Glasgow G1 2QB Glasgow G1 2QB (GB)