(19)

(11)

EP 4 496 531 A1

(12)

(43) Date of publication: 29.01.2025 Bulletin 2025/05 (21) Application number: 23714486.0 (22) Date of filing: 20.03.2023

(51) International Patent Classification (IPC):  A61F 2/00(2006.01) (52) Cooperative Patent Classification (CPC): A61F 2/0063; A61F 2002/0068; A61F 2250/0003; A61F 2250/0015; A61F 2230/005; A61F 2250/0018; A61F 2230/0093; A61F 2250/006; A61F 2250/0002; A61F 2250/0001 (86) International application number: PCT/EP2023/057099 (87) International publication number: WO 2023/180259 (28.09.2023 Gazette 2023/39)

(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: KH MA MD TN (30) Priority: 21.03.2022 IE S20220050 (71) Applicant: PerQHern Limited Rathfarnham, Dublin D14 (IE)	(72) Inventor: KEANE, David Dublin, D14 (IE) (74) Representative: FRKelly  Waterways House Grand Canal Quay Dublin D02 PD39 Dublin D02 PD39 (IE)