(19)

(11)

EP 4 132 334 A1

(12)

(43) Date of publication: 15.02.2023 Bulletin 2023/07 (21) Application number: 21719214.5 (22) Date of filing: 07.04.2021

(51) International Patent Classification (IPC):  A47K 5/12(1968.09) A61L 2/24(1980.01) B05B 9/043(1974.07) B05B 12/00(1974.07) G01F 23/22(1968.09) G01F 23/20(1968.09) A61M 35/00(1968.09) A61L 2/22(1980.01) B05B 1/20(1968.09) B05B 11/00(1968.09) B05B 12/08(1974.07) B05B 9/08(1968.09) G01G 17/04(1968.09) A61M 11/00(1968.09) (52) Cooperative Patent Classification (CPC): B05B 1/207; B05B 1/205; A47K 5/1217; B05B 12/004; G01F 23/20; G01F 23/0007; G08B 21/245; B05B 9/0423; B05B 12/122 (86) International application number: PCT/GB2021/050853 (87) International publication number: WO 2021/205165 (14.10.2021 Gazette 2021/41)

(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: 08.04.2020 GB 202005219 20.04.2020 GB 202005708 16.12.2020 GB 202019882 (71) Applicant: AAN Medical Limited Salisbury Wiltshire SP5 4DF (GB)	(72) Inventors: DAVIS, Nigel Warwickshire CVS 2WA (GB) TULLOCH, Andrew Reading Berkshire RG2 9QA (GB) (74) Representative: Greaves Brewster LLP  Copa House Station Road Cheddar, Somerset BS27 3AH Cheddar, Somerset BS27 3AH (GB)