(19)

(11)

EP 4 815 889 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24827392.2 (22) Date of filing: 22.11.2024

(51) International Patent Classification (IPC):  A61F 9/007(2006.01) A61F 9/009(2006.01) A61F 9/008(2006.01) (52) Cooperative Patent Classification (CPC): A61F 9/00781; A61F 9/00736 (86) International application number: PCT/US2024/057173 (87) International publication number: WO 2025/117392 (05.06.2025 Gazette 2025/23)

(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: 29.11.2023 US 202363604016 P 27.02.2024 US 202463558464 P (71) Applicant: Iantrek, Inc. Harrison NY 10528 (US)	(72) Inventors: ROBSON, David Harrison, NY 10528 (US) BEAULIEU, Roderick H. Harrison, NY 10528 (US) BUXTON, Sean Harrison, NY 10528 (US) IANCHULEV, Tsontcho Harrison, NY 10528 (US) NELSEN, Daniel Harrison, NY 10528 (US) (74) Representative: Slingsby Partners LLP  1 Kingsway London WC2B 6AN London WC2B 6AN (GB)