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(11)

EP 4 770 708 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24772805.8 (22) Date of filing: 27.08.2024

(51) International Patent Classification (IPC):  A61M 5/20(2006.01) A61M 5/24(2006.01) A61M 5/315(2006.01) A61M 5/32(2006.01) (52) Cooperative Patent Classification (CPC): A61M 2005/2073; A61M 2005/202; A61M 5/31505; A61M 5/3202; A61M 2005/3267; A61M 5/2033; A61M 5/2422 (86) International application number: PCT/US2024/044006 (87) International publication number: WO 2025/049454 (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: 28.08.2023 CN 202311086267 (71) Applicant: Becton, Dickinson and Company Franklin Lakes, NJ 07417 (US)	(72) Inventor: HU, Qiuxia 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)