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EP 4 823 499 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24901826.8 (22) Date of filing: 16.12.2024

(51) International Patent Classification (IPC):  A61F 9/013(2006.01) A61B 17/32(2006.01) A61B 17/00(2006.01) A61B 17/3205(2006.01) (52) Cooperative Patent Classification (CPC): A61B 17/32053; A61F 2/142; A61B 2017/00969 (86) International application number: PCT/AU2024/051354 (87) International publication number: WO 2025/123097 (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: 15.12.2023 AU 2023904091 14.02.2024 AU 2024900350 (71) Applicants: Samarawickrama, Chameen Dilantha North Epping, NSW 2121 (AU) Corza Medical, Inc. Boulder, CO 80302 (US)

(72) Inventor: SAMARAWICKRAMA, Chameen Dilantha North Epping, NSW 2121 (AU) (74) Representative: Schlich  9 St Catherine's Road Littlehampton West Sussex BN17 5HS West Sussex BN17 5HS (GB)