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    NEBULIZER VIBRATING APERTURE PLATE DRIVE FREQUENCY CONTROL AND MONITORING
    1.
    发明申请
    NEBULIZER VIBRATING APERTURE PLATE DRIVE FREQUENCY CONTROL AND MONITORING 审中-公开

    公开(公告)号：US20200009332A1

    公开(公告)日：2020-01-09

    申请号：US16572298

    申请日：2019-09-16

    Applicant: Stamford Devices Limited

    Inventor： Joseph GREHAN ,  Niall SMITH

    IPC: A61M11/00 ,  G16H20/13 ,  B06B1/02 ,  B05B17/06 ,  B05B17/00 ,  G01N29/42 ,  G01N29/22

    Abstract: A nebulizer has an aperture plate, a mounting, an actuator, and an aperture plate drive circuit (2-4). A controller measures an electrical drive parameter at each of a plurality of measuring points, each measuring point having a drive frequency; and based on the values of the parameter at the measuring points makes a determination of optimum drive frequency and also an end-of-dose prediction. The controller performs a short scan at regular sub-second intervals at which drive current is measured at two measuring points with different drive frequencies. According to drive parameter measurements at these points the controller determines if a full scan sweeping across a larger number of measuring points should be performed. The full scan provides the optimum drive frequency for the device and also an end of dose indication.

    HIGH FLOW NASAL THERAPY SYSTEM
    2.
    发明申请
    HIGH FLOW NASAL THERAPY SYSTEM 审中-公开
    高流量NASAL治疗系统

    公开(公告)号：US20170021125A1

    公开(公告)日：2017-01-26

    申请号：US15301318

    申请日：2015-04-10

    Applicant: Stamford Devices Limited

    Inventor： Ronan MACLOUGHLIN ,  Niall SMITH

    IPC: A61M16/16 ,  A61M16/06 ,  A61M16/20 ,  A61M16/10 ,  A61M11/00 ,  A61M16/08

    CPC classification number: A61M16/16 ,  A61M11/00 ,  A61M15/08 ,  A61M16/0666 ,  A61M16/0833 ,  A61M16/0866 ,  A61M16/0875 ,  A61M16/1095 ,  A61M16/14 ,  A61M16/202 ,  A61M2016/0018 ,  A61M2016/0027 ,  A61M2016/0033 ,  A61M2016/0036 ,  A61M2205/33 ,  A61M2205/3334

    Abstract: A high flow nasal therapy system (1) has a gas supply (2), a nebulizer (12), and a nasal interface (7). There are two branches (11, 10) and a valve (6) linked with the controller, the branches including a first branch (11) for delivery of aerosol and a second branch (10) for delivery of non-aerosolized gas. The controller controls delivery into the branches (11, 10), in which flow is unidirectional in the first and second branches, from the gas supply towards the nasal interface. The first branch (11) includes the nebulizer (12) and a line configured to store a bolus of aerosol during flow through the second branch (10). The valve (6) comprises a Y-junction between the gas inlet on one side and the branches on the other side.

    Abstract translation: 高流量鼻腔治疗系统（1）具有气体供应（2），雾化器（12）和鼻部接口（7）。 有两个分支（11,10）和与控制器连接的阀（6），分支包括用于输送气溶胶的第一分支（11）和用于输送非气雾化气体的第二分支（10）。 控制器控制从气体供应朝向鼻部界面的分支（11,10）中的输送，其中流动在第一和第二分支中是单向的。 第一分支（11）包括雾化器（12）和配置成在通过第二分支（10）的流动期间存储气溶胶团的管线。 阀（6）包括一侧的气体入口与另一侧的分支之间的Y形结。

    NEBULIZER VIBRATING APERTURE PLATE DRIVE FREQUENCY CONTROL AND MONITORING
    3.
    发明申请
    NEBULIZER VIBRATING APERTURE PLATE DRIVE FREQUENCY CONTROL AND MONITORING 有权
    NEBULIZER振动孔板驱动频率控制和监测

    公开(公告)号：US20150320944A1

    公开(公告)日：2015-11-12

    申请号：US14423046

    申请日：2014-05-23

    Applicant: Stamford Devices Limited

    Inventor： Joseph GREHAN ,  Niall SMITH

    IPC: A61M11/00 ,  G06F19/00 ,  G01N29/22 ,  G01N29/42 ,  B05B17/00 ,  B05B12/00

    CPC classification number: A61M11/005 ,  A61M11/001 ,  A61M2205/33 ,  A61M2205/3317 ,  B05B12/004 ,  B05B12/081 ,  B05B15/14 ,  B05B17/0646 ,  B05B17/0669 ,  B06B1/0253 ,  G01N29/22 ,  G01N29/42 ,  G06F19/00 ,  G06F19/3456 ,  G16H20/13

    Abstract: A nebulizer has an aperture plate, a mounting, an actuator, and an aperture plate drive circuit (2-4). A controller measures an electrical drive parameter at each of a plurality of measuring points, each measuring point having a drive frequency; and based on the values of the parameter at the measuring points makes a determination of optimum drive frequency and also an end-of-dose prediction. The controller performs a short scan at regular sub-second intervals at which drive current is measured at two measuring points with different drive frequencies. According to drive parameter measurements at these points the controller determines if a full scan sweeping across a larger number of measuring points should be performed. The full scan provides the optimum drive frequency for the device and also an end of dose indication.

    Abstract translation: 喷雾器具有孔板，安装件，致动器和孔板驱动电路（2-4）。 控制器测量多个测量点中的每一个的电驱动参数，每个测量点具有驱动频率; 并且基于测量点处的参数的值来确定最佳驱动频率以及剂量结束预测。 控制器以规定的次秒间隔执行短扫描，在两个间隔，在具有不同驱动频率的两个测量点处测量驱动电流。 根据这些点的驱动参数测量，控制器确定是否应执行扫描更大数量的测量点的全扫描。 全扫描可为设备提供最佳的驱动频率，同时也为剂量指示结束。

    END-OF-DOSE DETECTION IN NEBULIZERS
    7.
    发明申请
    END-OF-DOSE DETECTION IN NEBULIZERS 审中-公开

    公开(公告)号：US20180256829A1

    公开(公告)日：2018-09-13

    申请号：US15762387

    申请日：2016-09-22

    Applicant: Stamford Devices Limited

    Inventor： Joseph GREHAN ,  Michael CASEY ,  Shaun PORTER ,  Niall SMITH

    IPC: A61M11/00

    Abstract: A digital processor of a nebulizer controller controls and monitors drive current (I) applied to an aperture plate. The drive current is detected as a series of discrete values at each of multiple measuring points, each having a particular drive frequency The processor in real time calculates a slope or rate of change of drive current with frequency and additionally determines a minimum value for drive current leading up to the peak value. The processor uses both the value of the minimum drive current during the scan and also the maximum slope value to achieve reliable prediction of end of dose, when the aperture plate becomes dry.

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