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    SYSTEMS AND METHODS FOR DETERMINING A LENGTH AND/OR A DIAMETER OF A CONDUIT
    2.
    发明申请
    SYSTEMS AND METHODS FOR DETERMINING A LENGTH AND/OR A DIAMETER OF A CONDUIT 审中-公开

    公开(公告)号：WO2022091034A1

    公开(公告)日：2022-05-05

    申请号：PCT/IB2021/060053

    申请日：2021-10-29

    Applicant: RESMED SENSOR TECHNOLOGIES LIMITED

    Inventor： LYON, Graeme, Alexander ,  TIRON, Roxana ,  FOX, Niall, Andrew ,  SHOULDICE, Redmond ,  MCMAHON, Stephen

    IPC: G01B17/00 ,  A61B5/00 ,  A61B5/097 ,  A61M16/00

    Abstract: A method includes generating acoustic data representative of at least one or more reflections of an acoustic signal. The one or more reflections are indicative of a length and/or a diameter of a conduit coupled to a respiratory therapy device. The method further includes analyzing the acoustic data to determine the length and/or diameter of the conduit. In some cases, analyzing the acoustic data includes determining a resonant frequency of the conduit, and determining the length of the conduit based at least in part on the resonant frequency. In some cases, analyzing the acoustic data includes comparing the acoustic data to predetermined sets of acoustic data that each correspond to a known length and/or diameter of the conduit, and selecting one of the predetermined sets of acoustic data that best matches the generated acoustic data. The selected set of acoustic data corresponds to the length and/or diameter of the conduit.

    SYSTEMS AND METHODS FOR MODIFYING PRESSURE SETTINGS OF A RESPIRATORY THERAPY SYSTEM
    3.
    发明申请
    SYSTEMS AND METHODS FOR MODIFYING PRESSURE SETTINGS OF A RESPIRATORY THERAPY SYSTEM 审中-公开

    公开(公告)号：WO2022229910A1

    公开(公告)日：2022-11-03

    申请号：PCT/IB2022/053977

    申请日：2022-04-29

    Applicant: RESMED SENSOR TECHNOLOGIES LIMITED

    Inventor： LYON, Graeme, Alexander ,  CHAH, Ehsan ,  TIRON, Roxana

    IPC: A61M16/00 ,  A61B5/087 ,  A61B5/00

    Abstract: A method of modifying pressure settings of a respiratory therapy system comprises supplying pressurized air at a first pressure to a user during a current sleep session; determining a number and/or type of events experienced by the user during a first portion of the current sleep session; and modifying the pressure settings of the respiratory therapy system during a subsequent sleep session portion in response to the number and/or type of events satisfying a threshold. Modifying the pressure settings can include modifying the first pressure to be a modified first pressure for the subsequent sleep session portion, (ii) modifying a difference in pressure between the first pressure and a second pressure for the subsequent sleep session portion, (iii) modifying a rate of change from the first pressure to the second pressure for the subsequent sleep session portion, or (iv) any combination of (i)-(iii).

    AUTOMATIC USER INTERFACE IDENTIFICATION
    4.
    发明申请
    AUTOMATIC USER INTERFACE IDENTIFICATION 审中-公开

    公开(公告)号：WO2022074626A1

    公开(公告)日：2022-04-14

    申请号：PCT/IB2021/059256

    申请日：2021-10-08

    Applicant: RESMED SENSOR TECHNOLOGIES LIMITED

    Inventor： SHOULDICE, Redmond ,  LYON, Graeme, Alexander ,  MCMAHON, Stephen ,  TIRON, Roxana

    IPC: G16H40/63 ,  G16H40/60

    Abstract: Airflow parameters (e.g., flow rate and airflow pressure) of airflow generated by a flow generator of a respiratory therapy system can be measured during use and processed to automatically identify user interface and/or conduit identification information. This user interface and/or conduit identification information can be used to adjust settings of the respiratory therapy device, generate notifications (e.g., notifications of a detected change in user interface without concomitant, expected adjustment of settings of the respiratory therapy device), or otherwise facilitate respiratory therapy of the user or of other users. User interface and/or conduit identification information can be indicative of specific characteristics of the user interface and/or conduit (e.g., resonant frequencies, impedance, and the like), a style of the user interface (e.g., a face mask, nasal mask, or nasal pillow) and/or style of conduit, a specific manufacturer, a specific model, or other such identifiable information.

    SYSTEMS AND METHODS FOR DETECTING AN INTENTIONAL LEAK CHARACTERISTIC CURVE FOR A RESPIRATORY THERAPY SYSTEM
    7.
    发明申请
    SYSTEMS AND METHODS FOR DETECTING AN INTENTIONAL LEAK CHARACTERISTIC CURVE FOR A RESPIRATORY THERAPY SYSTEM 审中-公开

    公开(公告)号：WO2021176426A1

    公开(公告)日：2021-09-10

    申请号：PCT/IB2021/051884

    申请日：2021-03-05

    Applicant: RESMED SENSOR TECHNOLOGIES LIMITED

    Inventor： MCMAHON, Stephen ,  RICE, Anna ,  LYON, Graeme, Alexander ,  SHOULDICE, Redmond

    IPC: A61M16/00

    Abstract: A plurality of flow rate values associated with pressurized air directed to an airway of a user of a respiratory therapy system is received. A plurality of pressure values associated with the pressurized air directed to the airway of the user is received. A first time associated with a first breath of the user and a second time associated with a second breath of the user are identified. The plurality of flow rate values is filtered based at least in part on the identified first time and the identified second time. The filtering produces a subset of the plurality of flow rate values. An intentional leak characteristic curve for the respiratory therapy system is determined using at least two of the subset of the plurality of flow rate values and the corresponding pressure values for said at least two of the subset of the plurality of flow rate values.

    SYSTEMS AND METHODS FOR INCREASING A SLEEPINESS OF INDIVIDUALS
    8.
    发明申请
    SYSTEMS AND METHODS FOR INCREASING A SLEEPINESS OF INDIVIDUALS 审中-公开

    公开(公告)号：WO2021176406A1

    公开(公告)日：2021-09-10

    申请号：PCT/IB2021/051839

    申请日：2021-03-05

    Applicant: RESMED SENSOR TECHNOLOGIES LIMITED

    Inventor： LYON, Graeme, Alexander ,  LOPES, Cesar ,  COSTELLO, Michael, John

    IPC: A61B5/16 ,  A61B5/00 ,  A61B5/01 ,  A61B5/021 ,  A61B5/024 ,  A61B5/08 ,  A61B5/11

    Abstract: A system includes a memory device storing machine-readable instructions and a control system including one or more processors configured to execute the machine-readable instructions to receive initial physiological data associated with a user, determine, based at least in part on initial physiological data, an initial sleepiness level for the user, prompt the user, via an electronic device, to perform a first activity, receive subsequent physiological data associated with the user, determine, based at least in part on the subsequent physiological data, a subsequent sleepiness level for the user, and determine a first activity score based at least in part on the initial sleepiness level and the subsequent sleepiness level, the first activity score being indicative of an effectiveness of the first activity in modifying the sleepiness of the user.

    SYSTEMS AND METHODS FOR DETERMINING A SLEEP STAGE OF AN INDIVIDUAL
    9.
    发明申请
    SYSTEMS AND METHODS FOR DETERMINING A SLEEP STAGE OF AN INDIVIDUAL 审中-公开

    公开(公告)号：WO2022249013A1

    公开(公告)日：2022-12-01

    申请号：PCT/IB2022/054772

    申请日：2022-05-22

    Applicant: RESMED SENSOR TECHNOLOGIES LIMITED

    Inventor： RICE, Anna ,  LYON, Graeme, Alexander ,  FOX, Niall, Andrew

    IPC: A61B5/00 ,  A61B5/369 ,  A61B5/398 ,  G16H20/00 ,  G16H30/00 ,  G16H70/00

    Abstract: A method of determining a sleep stage of an individual comprises identifying features associated with a current epoch of the sleep session, determining a plurality of sleep stage probabilities based on the features, identifying events experienced by the individual during the current epoch, and adjusting each of the plurality of sleep stage probabilities based on events experienced by the individual during the current epoch or a prior epoch, and/or a sleep stage previously determined for the prior epoch. The features include at least one feature associated with a flow of pressurized air from a respiratory therapy system used by the individual, at least one feature associated with a respiration rate of the individual, and/or at least one feature associated with a time of the sleep session. Each sleep stage probability corresponds to a respective one of a plurality of potential sleep stages during the current epoch of the sleep session.

    SYSTEMS AND METHODS FOR LEAK DETECTION IN A RESPIRATORY THERAPY SYSTEM
    10.
    发明申请
    SYSTEMS AND METHODS FOR LEAK DETECTION IN A RESPIRATORY THERAPY SYSTEM 审中-公开

    公开(公告)号：WO2022162595A1

    公开(公告)日：2022-08-04

    申请号：PCT/IB2022/050742

    申请日：2022-01-28

    Applicant: RESMED SENSOR TECHNOLOGIES LIMITED

    Inventor： TIRON, Roxana ,  LYON, Graeme, Alexander

    IPC: A61M16/00

    Abstract: Various implementations of the present disclosure are directed to systems and methods for leak detection in a respiratory therapy system using acoustic data. According to some implementations, a method includes receiving acoustic data associated with airflow caused by operation of a respiratory therapy system during a sleep session of a user. The method also includes analyzing at least a portion of the acoustic data to determine a value of a parameter associated with the at least a portion of the acoustic data. The method further includes determining an occurrence of a leak during the sleep session in response to the determined value of the parameter satisfying a condition.

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