(19)

(11)

EP 4 815 859 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24813516.2 (22) Date of filing: 30.10.2024

(51) International Patent Classification (IPC):  A61B 17/68(2006.01) (52) Cooperative Patent Classification (CPC): A61B 17/688 (86) International application number: PCT/IT2024/050223 (87) International publication number: WO 2025/115045 (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: 28.11.2023 IT 202300025287 (71) Applicant: Ntplast S.r.l. 00198 Roma (IT)	(72) Inventor: BERRA, Luigi 00198 ROMA (IT) (74) Representative: Garavelli, Paolo  A.BRE.MAR. S.R.L. Consulenza in Proprietà Industriale Via Servais 27 10146 Torino 10146 Torino (IT)