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EP 3 218 054 A1

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(43) Date of publication: 20.09.2017 Bulletin 2017/38 (21) Application number: 14905913.1 (22) Date of filing: 13.11.2014

(51) International Patent Classification (IPC):  A61N 2/00(2006.01) A61N 2/08(2006.01) H01F 7/02(2006.01) A61N 2/02(2006.01) H01F 1/057(2006.01) H01F 7/20(2006.01) (86) International application number: PCT/CA2014/051089 (87) International publication number: WO 2016/074062 (19.05.2016 Gazette 2016/20)

(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 (71) Applicant: Feng, Yvonne Ya-Wen Vancouver, British Columbia V6B 1T7 (CA)	(72) Inventor: Feng, Yvonne Ya-Wen Vancouver, British Columbia V6B 1T7 (CA) (74) Representative: J A Kemp  14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)