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(11)

EP 4 823 647 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904653.3 (22) Date of filing: 05.12.2024

(51) International Patent Classification (IPC):  A61M 5/20(2006.01) A61M 5/32(2006.01) A61M 5/315(2006.01) (52) Cooperative Patent Classification (CPC): A61M 5/20; A61M 5/3204; A61M 5/206 (86) International application number: PCT/US2024/058592 (87) International publication number: WO 2025/128393 (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: 13.12.2023 CN 202311713339 (71) Applicant: Becton, Dickinson and Company Franklin Lakes, NJ 07417 (US)

(72) Inventors: LIANG, Rongjie Franklin Lakes, New Jersey 07417 (US) CAO, Lanson Franklin Lakes, New Jersey 07417 (US) CHEN, Eric Franklin Lakes, New Jersey 07417 (US) MA, Jian Franklin Lakes, New Jersey 07417 (US) LI, Hely Franklin Lakes, New Jersey 07417 (US) HUANG, Wilson Franklin Lakes, New Jersey 07417 (US) (74) Representative: dompatent  Partnerschaft von Patentanwälten und Rechtsanwälten mbB Deichmannhaus am Dom Bahnhofsvorplatz 1 50667 Köln 50667 Köln (DE)