(19)

(11)

EP 3 600 532 A1

(12)

(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18775894.1 (22) Date of filing: 18.01.2018

(51) International Patent Classification (IPC):  A61N 1/36(2006.01) A61M 21/02(2006.01) A61N 1/04(2006.01) A61B 5/0476(2006.01) (86) International application number: PCT/US2018/014294 (87) International publication number: WO 2018/182825 (04.10.2018 Gazette 2018/40)

(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 TN (30) Priority: 29.03.2017 US 201762478538 P 07.06.2017 US 201762516350 P (71) Applicant: HRL Laboratories, LLC Malibu, CA 90265 (US)	(72) Inventors: HOWARD, Michael, D. Westlake Village, CA 91361 (US) PILLY, Praveen, K. West Hills, CA 91307 (US) (74) Representative: Boult Wade Tennant LLP  Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)