(19)

(11)

EP 3 930 827 A2

(12)

(88) Date of publication A3: 08.10.2020 (43) Date of publication: 05.01.2022 Bulletin 2022/01 (21) Application number: 20712806.7 (22) Date of filing: 26.02.2020

(51) International Patent Classification (IPC):  A61N 1/372(2006.01) (52) Cooperative Patent Classification (CPC): A61N 1/37235 (86) International application number: PCT/US2020/019853 (87) International publication number: WO 2020/176594 (03.09.2020 Gazette 2020/36)

(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: 28.02.2019 US 201962812185 P (71) Applicant: Helius Medical, Inc Newtown, PA 18940 (US)

(72) Inventors: SKINNER, Kimberly, Lynn Newtown, PA 18940 (US) SABOURIN, Richard, William Newtown, PA 18940 (US) REYNISH, John, Alexander Paul Newtown, PA 18940 (US) BAILEY, Michael, Stuart Newtown, PA 18940 (US) LEDDY, Kai, Christopher Newtown, PA 18940 (US) PARKER, Adam, Nicholas Newtown, PA 18940 (US) CONNOLLY, Samuel, Dominic Newtown, PA 18940 (US) LONG, Richard, Ian Newtown, PA 18940 (US) (74) Representative: Barker Brettell LLP  100 Hagley Road Edgbaston Birmingham B16 8QQ Birmingham B16 8QQ (GB)