(19)

(11)

EP 3 681 576 A2

(12)

(88) Date of publication A3: 02.05.2019 (43) Date of publication: 22.07.2020 Bulletin 2020/30 (21) Application number: 18856293.8 (22) Date of filing: 11.09.2018

(51) International Patent Classification (IPC):  A61M 21/02(2006.01) A61B 5/024(2006.01) A47C 21/04(2006.01) A47C 21/02(2006.01) A47C 31/00(2006.01) A61B 5/00(2006.01) A61B 5/11(2006.01) F25D 29/00(2006.01) F25D 17/02(2006.01) (86) International application number: PCT/US2018/050463 (87) International publication number: WO 2019/055414 (21.03.2019 Gazette 2019/12)

(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: 15.09.2017 US 201715705829 20.12.2017 US 201715848816 (71) Applicant: Youngblood IP Holdings, LLC Mooresville, NC 28117-4381 (US)	(72) Inventors: YOUNGBLOOD, Todd Moorsville, NC 28117 (US) YOUNGBLOOD, Tara Moorsville, NC 28117 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)