INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 18 October 2018 (18.10.2018) W I PO I PCT oimiolo VIII °nolo VIII 01 ois (10) International Publication Number WO 2018/190732 A2 (51) International Patent Classification: G01N 29/024 (2006.01) (21) International Application Number: PCT/NZ2018/050052 (22) International Filing Date: 13 April 2018 (13.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/485,614 14 April 2017 (14.04.2017) US 62/516,579 07 June 2017 (07.06.2017) US (71) Applicant: FISHER & PAYKEL HEALTHCARE LIMITED [NZ/NZ]； 15 Maurice Paykel Place, East Tama- ki, Auckland, 2013 (NZ). (72) Inventors: BURGESS, Russel William； 15 Maurice Paykel Place, East Tamaki, Auckland, 2013 (NZ). BARK- ER, Dean Antony； 15 Maurice Paykel Place, East Tamaki, Auckland, 2013 (NZ). (74) Agent: BALDWINS INTELLECTUAL PROPERTY； PO BOX 852, Wellington, 6011 (NZ). (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, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, 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, (54) Title: FLOW PATH SENSING FOR FLOW THERAPY APPARATUS /0 /7 N O 00 O C FIG. I (57) : A respiratory flow therapy apparatus including a sensor module can m
