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    • 4. 发明申请
    • METHOD AND APPARATUS FOR RETROPERFUSION
    • 回收方法和装置
    • WO2011156904A3
    • 2012-02-02
    • PCT/CA2011000704
    • 2011-06-14
    • UNIV MANITOBAZHANG LIHUSSAIN FARRUKH
    • ZHANG LIHUSSAIN FARRUKH
    • A61M1/36A61F2/958A61M1/10A61M25/00
    • A61M25/0075A61M1/36A61M1/3613A61M5/16881A61M25/0074A61M25/10A61M39/227A61M39/228A61M2025/1059A61M2025/1072
    • The present invention relates to apparatus for retroperfusion of tissues and organs. The apparatus comprises a catheter with a proximal end for engaging a supply of the fluid medium, and a distal end having an expandable-contractible chamber for installation into suitable vessels or organs. The expandable-contractible chamber comprises a conduit element having a fluid- filled hollow wall defining a lumen. The conduit element has a first deformable inner-facing section approximate a proximal end of the conduit and a second deformable inner-facing section approximate a distal end of the conduit element. Controlled application of a pressure at a proximal end of the conduit element causes deformation of the conduit into the lumen at its distal end thereby occluding the flow of fluid medium through the catheter. Controlled release of the pressure releases deformation of the fluid-filled conduit at its distal end thereby unblocking the flow of the fluid medium through the catheter.
    • 本发明涉及组织器官的后灌注装置。 该装置包括具有用于接合流体介质的供给的近端的导管,以及具有用于安装到合适的血管或器官中的可扩张收缩室的远端。 可扩张收缩室包括具有限定内腔的流体填充中空壁的导管元件。 导管元件具有近似于导管的近端的第一可变形内壁部分和近似于导管元件的远端的第二可变形内表面部分。 在导管元件的近端受到控制的压力导致导管在其远端处进入内腔,从而阻塞通过导管的流体介质的流动。 压力的控制释放释放了流体填充管道在其远端处的变形,从而解除流体介质通过导管的流动。
    • 5. 发明申请
    • SYSTEM AND METHODS OF ACOUSTICAL SCREENING FOR OBSTRUCTIVE SLEEP APNEA DURING WAKEFULNESS
    • 阻塞性睡眠呼吸障碍的声学筛查系统与方法
    • WO2011154791A2
    • 2011-12-15
    • PCT/IB2011001119
    • 2011-05-24
    • UNIV MANITOBAMOUSSAVI ZAHRAMONTAZERI AMAN
    • MOUSSAVI ZAHRAMONTAZERI AMAN
    • A61B5/4818A61B5/0803A61B5/0826A61B5/6822A61B5/6823A61B5/6832A61B5/70A61B5/7264A61B7/003A61B7/04A61B2562/0204G16H50/20
    • A system and methods using tracheal sound intensity variations to screen patients suspected of obstructive sleep apnea during wakefulness. The system includes a mechanism positioning the patient and a sound input device attached to a recording device to receive breathing sound signals. A signal conditioning component amplifies and filters the breathing sound signals, and an analog to digital component digitizes the signals. A detecting component detects onsets of respiratory phases, and a separating component separates inspiratory sound signals and expiratory sound signals from the breathing sound signals. A segmenting component segments the inspiratory and expiratory phase signals into a short duration of overlapping windows, and a collection characteristic extraction component obtains characteristics from each window. A calculation component performs statistical analysis to reduce the number of significant characteristics and classify the patient as OSA or non-OSA and predicts severity of the OSA as one of mild, moderate and severe.
    • 一种系统和方法,使用气管声音强度变化来筛查怀疑在睡眠期间阻塞性睡眠呼吸暂停的患者。 该系统包括定位患者的机构和附接到记录装置的声音输入装置以接收呼吸声音信号。 信号调理部件放大并过滤呼吸声音信号,并且模拟数字分量对信号进行数字化。 检测部件检测呼吸相位的开始,分离部件将呼吸声信号和呼气声信号与呼吸声信号分离。 分段组件将吸气和呼气相位信号分成短时间的重叠窗口,并且收集特征提取组件从每个窗口获得特征。 计算组件执行统计分析以减少重要特征的数量并将患者分类为OSA或非OSA,并将OSA的严重程度预测为轻度,中度和重度之一。