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EP 3 544 681 A1

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(43) Date of publication: 02.10.2019 Bulletin 2019/40 (21) Application number: 17875036.0 (22) Date of filing: 27.11.2017

(51) International Patent Classification (IPC):  A61N 7/00(2006.01) A61N 1/04(2006.01) A61B 5/00(2006.01) A61N 1/36(2006.01) A61N 5/06(2006.01) A61N 5/067(2006.01) (86) International application number: PCT/US2017/063243 (87) International publication number: WO 2018/098417 (31.05.2018 Gazette 2018/22)

(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: MA MD (30) Priority: 28.11.2016 US 201615361953 28.11.2016 US 201615361999 (71) Applicant: Elwha LLC Bellevue, WA 98005-4046 (US)

(72) Inventors: HYDE, Roderick A. Redmond, Washington 98052 (US) LEUTHARDT, Eric C. St. Louis, Missouri 63130 (US) MALAMUD, Mark A. Seattle, Washington 98119 (US) MCKNIGHT, Gary L. Bothell, Washington 98011 (US) PAN, Tony S. Kirkland, WA 98034 (US) SHARADIN, Katherine E. Redmond, Washington 98052 (US) SWEENEY, Elizabeth A. Seattle, Washington 98133 (US) TEGREENE, Clarence T. Mercer Island, Washington 98040 (US) WHITMER, Charles North Bend, Washington 98045 (US) WOOD, Lowell L., Jr. Bellevue, Washington 98004 (US) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)