(19)

(11)

EP 4 121 128 A1

(12)

(43) Date of publication: 25.01.2023 Bulletin 2023/04 (21) Application number: 21718956.2 (22) Date of filing: 19.03.2021

(51) International Patent Classification (IPC):  A61L 9/20(2006.01) (52) Cooperative Patent Classification (CPC): A61L 9/20; A61L 2202/25; A61L 2209/111; A61L 2209/12; A61L 2209/15 (86) International application number: PCT/IB2021/052323 (87) International publication number: WO 2021/186410 (23.09.2021 Gazette 2021/38)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.03.2020 IT 202000005941 (71) Applicant: A.Z.Solutions S.r.l. 36050 Sovizzo (VI) (IT)	(72) Inventor: ZANDONÀ, Andrea 36040 Grumolo delle Abadesse (VI) (IT) (74) Representative: Autuori & Partners  Strada del Megiaro, 261 36100 Vicenza (VI) 36100 Vicenza (VI) (IT)