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    MEDICAL INFUSION DEVICE COMPRISING A LEAKAGE DETERMINING MODULE
    7.
    发明公开
    MEDICAL INFUSION DEVICE COMPRISING A LEAKAGE DETERMINING MODULE 审中-公开

    公开(公告)号：EP4306145A1

    公开(公告)日：2024-01-17

    申请号：EP22187240.1

    申请日：2022-07-27

    申请人： F. Hoffmann-La Roche AG ,  Roche Diabetes Care GmbH

    发明人： SMITH, Aaron ,  FERNSNER, Stefan ,  JANKE, Christian

    IPC分类号： A61M5/142

    摘要： The present invention relates to a medical infusion device comprising a reservoir for holding a liquid medicament, a cannula assembly, a fluid line, a drive mechanism, a dispensing member for dispensing medicament from reservoir through the fluid line and the cannula assembly, and a leakage determining module. For a more convenient determination of leakage of liquid medicament, the leakage determining module comprises an electronic probe that is configured for receiving odor molecules and/or flavor molecules of the liquid medicament and in that the leakage determining module further comprises evaluation electronics that is configured to determine presence of odor and/or flavor of the liquid medicament based on readings of the at least one electronic probe.

    INFUSION DELIVERY DEVICE
    8.
    发明公开
    INFUSION DELIVERY DEVICE 审中-公开

    公开(公告)号：EP4245332A1

    公开(公告)日：2023-09-20

    申请号：EP22162353.1

    申请日：2022-03-15

    申请人： F. Hoffmann-La Roche AG ,  Roche Diabetes Care GmbH

    发明人： NORRICK, Nicklas ,  KATZ, Jakob

    IPC分类号： A61M5/142 ,  A61M5/168

    摘要： The present invention relates to an infusion delivery device comprising a reservoir that is configured for containing a liquid medicament, a dispensing member that is moveably arranged within the reservoir for dispensing liquid medicament out of the reservoir through an outlet of the reservoir, an actuation member that is configured for moving the dispensing member within the reservoir, and a controller that is configured for controlling the movement of the dispensing member within the reservoir by the actuation member, wherein the controller is further configured to determine an occlusion hindering the dispensing of liquid medicament out of the reservoir and that is configured to provide a control signal to the actuation member, upon determining an occlusion, to move the dispensing member in a reverse direction about a displacement distance. In order to prevent an overdosing or underdosing in case of an occlusion, the displacement distance is a model-based displacement distance.