(19)

(11)

EP 4 823 563 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904776.2 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  A61K 31/395(2006.01) A61K 31/166(2006.01) A61K 31/42(2006.01) A61K 31/33(2006.01) (52) Cooperative Patent Classification (CPC): A61K 31/42; A61K 31/33; A61K 31/395; A61K 31/166; G01N 33/6896; G01N 33/6893; G01N 2800/28; G01N 2800/30; G01N 33/575 (86) International application number: PCT/US2024/059492 (87) International publication number: WO 2025/128650 (19.06.2025 Gazette 2025/25)

(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: 11.12.2023 US 202363608665 P (71) Applicant: YeeFan Med Inc Temple City, California 91780 (US)	(72) Inventors: WANG, I-Fan Nantou County Caotun Township, 542020 (TW) CHANG, Hsiang-Yu Taichung City, 413015 (TW) TING, Chen-Hung Yilan County Yilan City, 260023 (TW) (74) Representative: ABG Intellectual Property Law, S.L.  Avenida de Burgos, 16D Edificio Euromor 28036 Madrid 28036 Madrid (ES)