(19)

(11)

EP 3 716 915 A1

(12)

(43) Date of publication: 07.10.2020 Bulletin 2020/41 (21) Application number: 18801133.2 (22) Date of filing: 23.10.2018

(51) International Patent Classification (IPC):  A61F 2/40(2006.01) A61F 2/30(2006.01) (86) International application number: PCT/US2018/057098 (87) International publication number: WO 2019/108322 (06.06.2019 Gazette 2019/23)

(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: 01.12.2017 US 201715829113 (71) Applicant: Maale, Gerhard E. Plano, TX 75093 (US)	(72) Inventor: Maale, Gerhard E. Plano, TX 75093 (US) (74) Representative: Thompson, Andrew John  Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)