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    VENTS FOR PATIENT INTERFACES
    1.
    发明公开
    VENTS FOR PATIENT INTERFACES 审中-公开

    公开(公告)号：EP4098306A1

    公开(公告)日：2022-12-07

    申请号：EP22176548.0

    申请日：2022-05-31

    申请人： ResMed Pty Ltd

    发明人： DANTANARAYANA, Muditha Pradeep ,  HOGG, Michael Christopher ,  WAGNER, Stewart Joseph

    IPC分类号： A61M16/06 ,  A61M16/08

    摘要： The technology relates to a vent for a respiratory therapy system. The vent comprises a vent body having formed therein a plurality of slots allowing a vent flow of exhaled gases to ambient. The slots have a length, a width and a height. In examples the width of each slot is significantly greater than the height and the slots are arranged such that the widths of the slots extend in mutually parallel directions. The vent body may also be configured so that the length of each slot is significantly greater than the height and/or the outlet area is greater than the inlet area. In examples the vent is provided with a cover and an actuator to move the cover between a first position in which the cover at least partially occludes flow through the vent and a second position in which the degree of occlusion is reduced.

    PLENUM CHAMBER INSERT FOR PATIENT INTERFACE
    4.
    发明公开
    PLENUM CHAMBER INSERT FOR PATIENT INTERFACE 审中-公开

    公开(公告)号：EP4420707A3

    公开(公告)日：2024-11-13

    申请号：EP24169517.0

    申请日：2020-03-18

    申请人： ResMed Pty Ltd

    发明人： GUPTA, Tumul ,  HOGG, Michael Christopher ,  STANISLAS, Luke Andrew ,  TEH, Lang Eng Siang ,  ENGSTROM, Christer ,  EBERL, Lorenz ,  APALAKIS, Adrian ,  FRANKO, Balint

    IPC分类号： A61M16/06 ,  A61M16/10

    摘要： The present invention discloses a plenum chamber insert for a patient interface for providing a flow of air at a therapeutic pressure to a patient for breathing, the plenum chamber insert comprising: a frame comprising: a plenum chamber insert port; an exterior surface; and a first channel recessed into the frame and below the exterior surface; and a heat and moisture exchanger (HMX) material positioned inside of the frame, the HMX material configured to receive and retain water from gas exhaled by the patient and to desorb retained water into the flow of air at the therapeutic pressure passing through the HMX material during use, wherein the first channel extends radially inward along the exterior surface and towards the plenum chamber insert port to form a flow path that allows air to travel around the frame without passing through the HMX material.