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EP 4 771 180 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24860971.1 (22) Date of filing: 28.08.2024

(51) International Patent Classification (IPC):  C12Q 1/686(2018.01) C12M 1/34(2006.01) C12M 1/38(2006.01) (52) Cooperative Patent Classification (CPC): C12Q 1/686   C-Sets: C12Q 1/686, C12Q 2527/113; (86) International application number: PCT/US2024/044281 (87) International publication number: WO 2025/049638 (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 202363579357 P (71) Applicant: Access Medical Systems, Ltd. Palo Alto, CA 94303 (US)	(72) Inventors: CHEN, Tao Palo Alto, California 94303 (US) YANG Shuya Palo Alto, California 94303 (US) CAO, Erhua Palo Alto, California 94303 (US) SHEN, Jian Palo Alto, California 94303 (US) CHEN, Haode Palo Alto, California 94303 (US) (74) Representative: Keltie LLP  No. 1 London Bridge London SE1 9BA London SE1 9BA (GB)