(19)

(11)

EP 4 440 631 A1

(12)

(43) Date of publication: 09.10.2024 Bulletin 2024/41 (21) Application number: 22812761.9 (22) Date of filing: 28.10.2022

(51) International Patent Classification (IPC):  A61L 9/12(2006.01) A61L 9/012(2006.01) A47K 5/00(2006.01) (52) Cooperative Patent Classification (CPC): A61L 9/12; A61L 9/012; A61L 2209/133; A61L 2209/15; A47K 5/1205; A47K 5/18 (86) International application number: PCT/IB2022/060358 (87) International publication number: WO 2023/073618 (04.05.2023 Gazette 2023/18)

(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: 28.10.2021 GB 202115539 (71) Applicant: Horsleys International Limited Christchurch Dorset BH23 3TS (GB)	(72) Inventor: CARNALL, Jon Nicholas Christchurch Dorset BH23 3TS (GB) (74) Representative: Harrison, Michael Robert  22 The Grange Road Leeds LS16 6HA Leeds LS16 6HA (GB)