SG11201809461VA - Dry powder inhaler with blister bursting device - Google Patents

Abstract

60,46 50 Ai . 10 48 62,66 FIG. 7 O O N O C (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 30 November 2017 (30.11.2017) WIPO I PCT IiiimmoimiolollmolommooloviiiinololoinovoimIE (10) International Publication Number WO 2017/203021 Al (51) International Patent Classification: A61M 11/00 (2006.01) A61M 15/00 (2006.01) (21) International Application Number: PCT/EP2017/062713 (22) International Filing Date: 25 May 2017 (25.05.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16171390.4 25 May 2016 (25.05.2016) EP (71) Applicant: VECTURA DELIVERY DEVICES LIMIT- ED [GB/GB]; One Prospect West, Chippenham Wiltshire SN14 6FH (GB). (72) Inventors: WILSON, Peter; c/o VDDL, 205 Cambridge Science Park, Milton Road, Cambridge Cambridgeshire CB4 OGZ (GB). CLARKE, Roger; c/o VDDL, 205 Cambridge Science Park, Milton Road, Cambridge Cam- bridgeshire CB4 OGZ (GB). MCGUINNESS, Liam; c/o VDDL, 205 Cambridge Science Park, Milton Road, Cam- bridge Cambridgeshire CB4 OGZ (GB). (74) Agent: CLARKE, Christopher et al.; Vectura Limited, In- tellectual Property Department, One Prospect West, Chip- penham Wiltshire SN14 6FH (GB). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, (54) Title: DRY POWDER INHALER WITH BLISTER BURSTING DEVICE (57) : A multi-dose dry powder inhaler with a blister folding device is provided. The inhaler comprises a housing containing a blister strip, and a blister opening device. The blister strip comprises a plurality of individual blisters, each blister containing a dose of medicament for inhalation by a user. The blister opening device comprising a blister support element for supporting one of said blisters, and a blister folding element co-operable with the blister support element, the blister folding element and the blister support element being movable relative to each other between a first position, permitting movement of said blister into or onto the blister support element, and a second, burst, position in which the blister folding element has co-operated with the blister support element. Movement from the first position to the second position causes two spaced apart portions of said blister to each fold relative to the remainder of the blister to produce two spaced apart openings, each opening extending along the circumference of the blister bowl, beginning and [Continued on next page] WO 2017/203021 Al MUNRO 11101 01011111010111110 0101111111111111110110111111101HOIMIE MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3)) terminating at points located on the fold line No piercing of the blister at any stage is required.