(19)

(11)

EP 3 810 217 A1

(12)

(43) Date of publication: 28.04.2021 Bulletin 2021/17 (21) Application number: 19821900.8 (22) Date of filing: 21.06.2019

(51) International Patent Classification (IPC):  A61L 31/02(2006.01) A61L 27/58(2006.01) A61L 31/14(2006.01) B22F 3/24(2006.01) C23C 24/04(2006.01) A61F 2/82(2013.01) A61L 31/12(2006.01) B22F 1/00(2006.01) B22F 5/10(2006.01) (86) International application number: PCT/IB2019/055272 (87) International publication number: WO 2019/244128 (26.12.2019 Gazette 2019/52)

(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: 22.06.2018 US 201816015461 22.06.2018 US 201862688712 P (71) Applicant: Les Entreprises Nanostent Inc. Quebec City QC G1W 1N2 (CA)	(72) Inventors: MONGRAIN, Rosaire Montreal, Québec H3L 2K5 (CA) BERTRAND, Olivier Francois Quebec City, Québec G1W 1N2 (CA) GALAZ, Ramses Sonora, 83150 (MX) (74) Representative: Turner, Craig Robert et al A.A. Thornton & Co. Octagon Point 5 Cheapside London EC2V 6AA London EC2V 6AA (GB)