(19)

(11)

EP 3 917 612 A1

(12)

(43) Date of publication: 08.12.2021 Bulletin 2021/49 (21) Application number: 19913183.0 (22) Date of filing: 31.01.2019

(51) International Patent Classification (IPC):  A61N 1/378(2006.01) A61N 1/372(2006.01) A61L 2/20(2006.01) A61N 1/375(2006.01) A61N 1/36(2006.01) (52) Cooperative Patent Classification (CPC): A61N 1/375; A61N 1/378; A61L 2/20; A61N 1/36; A61N 1/372 (86) International application number: PCT/US2019/016153 (87) International publication number: WO 2020/159526 (06.08.2020 Gazette 2020/32)

(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 (71) Applicant: Nevro Corp. Redwood City, CA 94065 (US)	(72) Inventor: FOREMAN, Bret Redwood City, CA 94065 (US) (74) Representative: Forresters IP LLP  Skygarden Erika-Mann-Straße 11 80636 München 80636 München (DE)