(19)

(11)

EP 4 823 453 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24905016.2 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  A61B 17/02(2006.01) A61B 1/32(2006.01) A61B 90/35(2016.01) A61B 90/30(2016.01) (52) Cooperative Patent Classification (CPC): A61B 90/30; A61B 17/0293; A61B 17/0206; A61B 2017/00477; A61B 2090/306; A61B 2090/309 (86) International application number: PCT/US2024/060175 (87) International publication number: WO 2025/129099 (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 US 202363609774 P 09.09.2024 US 202463692422 P (71) Applicant: Advanced Surgical Retractor Systems, Inc. Shavano Park, TX 78231 (US)	(72) Inventor: CESTERO, Ramon, Francisco San Antonio, TX 78255 (US) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)