Nasal cannula system

Description

(12) UK Patent Application (19) (11) 2701196 (13) (43) Date of A Publication 22.04.2026 (30) Priority Data: (31) 63700168 (32) 27.09.2024 (33) US (31) 63681691 (32) 09.08.2024 (33) US (72) Inventor(s): Jason Allan Klenner Kevin Blake Powell Brent Ian Laing (21) Application No: 2512981.8 (22) Date of Filing: 08.08.2025 (56) Documents Cited: US 2022 / 0296840 A1 US 2024 / 0157079 A1 JP 2021532952 A (58) Field of Search: INT CL: A61M Other: SEARCH-PATENT (54) Title of the Invention: Nasal cannula system Abstract Title: Modular nasal cannula assembly (74) Agent and / or Address for Service: Forresters IP LLP Port of Liverpool Building, Pier Head, LIVERPOOL, L3 1AF, GB (57) A nasal cannula assembly 400 including a coupling member 404 arranged to receive the flow of respiratory gases, a frame 402 coupled with the coupling member, and one or more nasal prong modules removably coupled with the frame. The coupling member has a single gas input, and first and second gas outputs 451 leading to separate nasal prongs. A number of different nasal prong modules may have different nasal prong geometries, which may include at least one asymmetric nasal prong geometry. Figure 7 (71) Applicant(s): Fisher & Paykel Healthcare Limited 15 Maurice Paykel Place, East Tamaki, 2013 Auckland, New Zealand, NZ (51) INT CL: A61M 16 / 06 (2006.01) A61M 39 / 10 (2006.01) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 Search report under Section 17 of the Patents Act 1977 Application No.: GB2512981.8 Claims searched: 1-19 Date search completed: 15 January 2026 International classification Subclass and subgroup Valid from A61M16 / 06 01 / 01 / 2006 A61M39 / 10 01 / 01 / 2006 Field of search Worldwide search of patent documents classified in the following areas of the IPC: A61M Databases used in the preparation of this search report: SEARCH-PATENT Documents considered to be relevant Patent literature Category Relevant to claims Document of relevance A - US 2022 / 0296840 A1 (POORMAND et al.) – Whole document relevant A - US 2024 / 0157079 A1 (XU et al.) – Whole document relevant A - JP 2021532952 A (COOLTECH LLC) – Whole document relevant Non-patent literature [None] Categories 177 Letter or symbol Description X Document indicating lack of novelty or inventive step. Y Document indicating lack of inventive step, if combined with another document of the same category. & Member of the same patent family. A Document indicating technological background. P Document published on or after the priority date but before the filing date of the present application. E Earlier application published on or after the filing date of the present application. 178 摘要 鼻導管組件 400 包括用於接收呼吸氣體流的連接件 404、與連接件連接的框架 402 以及可拆卸地與框架連接的一個或多個鼻塞模組。 連接件具有單一氣體輸入口，第一 和第二氣體輸出口 451 分別通往單獨的鼻導管。許多不同的鼻導管模組可能具有不同 的鼻導管幾何形狀，其中可能至少包含一種不對稱的鼻導管幾何形狀。

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