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    • 3. 发明申请
    • FREQUENCY DOMAIN ADAPTIVE MOTION CANCEL-LATION FILTER
    • 频域自适应运动取消滤波器
    • WO2017111793A1
    • 2017-06-29
    • PCT/US2015/000314
    • 2015-12-23
    • INTEL CORPORATION
    • PICKETT, Matthew, D.
    • A61B5/024A61B5/00
    • A61B5/00A61B5/024A61B5/02416A61B5/681A61B5/721
    • Various systems and methods for implementing frequency domain adaptive motion cancellation filters. An example method includes receiving an optical signal representative of a physiological function. The example method further includes receiving a motion signal from an accelerometer. From the motion signal, a known motion spectrum is expressed as a sum of a product of coefficients for each component of the motion spectrum, wherein the coefficients are representative of the strength of the coupling between the motion signal and the optical signal. The example method may further include determining the coefficients of the motion spectrum using gradient descent and generating a decontaminated optical signal based on the optical signal and the motion model spectrum. Other systems, apparatuses, and methods are described.
    • 用于实现频域自适应运动消除滤波器的各种系统和方法。 示例方法包括接收表示生理功能的光学信号。 示例方法还包括从加速度计接收运动信号。 根据运动信号,已知运动频谱被表示为运动频谱的每个分量的系数的乘积之和,其中系数表示运动信号和光信号之间的耦合强度。 示例方法可以进一步包括使用梯度下降来确定运动谱的系数,并且基于光信号和运动模型谱来生成去污染的光信号。 描述了其他系统,设备和方法。
    • 9. 发明申请
    • APPARATUS AND METHOD FOR PROCESSING ELECTROMYOGRAPHY SIGNALS RELATED TO RESPIRATORY ACTIVITY
    • 用于处理与呼吸活动相关的电子信号的装置和方法
    • WO2017025363A1
    • 2017-02-16
    • PCT/EP2016/068261
    • 2016-08-01
    • KONINKLIJKE PHILIPS N.V.
    • DERKX, Rene Martinus MariaVAN DE LAAR, JakobDENISSEN, Adrianus Johannes MariaDEVOT, Sandrine Magali Laure
    • A61B5/08A61B5/0488
    • A61B5/0488A61B5/08A61B5/6823A61B5/6833A61B5/721A61B5/7246
    • The present invention relates to the field of medical technology and in particular to determining a respiratory activity in patients with chronic obstructive pulmonary disease (COPD) based on surface electromyography measurements taken from the intercostal muscles on the chest of a subject. A processing apparatus for processing an electromyography signal indicative of an activity of a target muscle in a human or animal body that relates to the measurement of respiratory effort amid an activity of at least one further muscle is presented. The processing apparatus comprises a first interface for receiving a first electromyography signal obtained from the target muscle and the further muscle at a first location on the body; a second interface for receiving a second electromyography signal obtained from the further muscle at a second location on the body; and an analysis unit for determining a similarity signal based on the first electromyography signal and the second electromyography signal,wherein the analysis unit is further configured to determine a respiratory phase as an inspiratory phase if the similarity signal obtained from the first and the second electromyography signal is below a first predetermined threshold and/or determine a respiratory phase as an expiratory phase if the similarity signal obtained from the first and the second electromyography signal exceeds a second predetermined threshold.
    • 本发明涉及医疗技术领域,特别涉及基于从受试者胸部的肋间肌肉取得的表面肌电描记测量来确定慢性阻塞性肺病(COPD)患者的呼吸活动。 提供了一种处理装置,用于处理与至少另外一个肌肉的活动中的呼吸力测量有关的人体或动物体内指示目标肌肉的活动的肌电图信号。 所述处理装置包括:第一接口,用于接收在所述身体的第一位置处从所述目标肌肉和所述另外的肌肉获得的第一肌电图信号; 第二接口,用于接收在身体上的第二位置处从另外的肌肉获得的第二肌电图信号; 以及分析单元,用于基于所述第一肌电图信号和所述第二肌电图信号确定相似度信号,其中所述分析单元还被配置为如果从所述第一和第二肌电图信号获得的相似度信号,将呼吸相位确定为吸气相位 如果从第一和第二肌电图信号获得的相似度信号超过第二预定阈值,则低于第一预定阈值和/或确定作为呼气相位的呼吸相位。
    • 10. 发明申请
    • MOTION COMPENSATED BIOMEDICAL SENSING
    • 运动补偿生物医学传感
    • WO2017015583A1
    • 2017-01-26
    • PCT/US2016/043621
    • 2016-07-22
    • EDWARDS LIFESCIENCES CORPORATION
    • AL HATIB, Feras
    • A61B5/00
    • A61B5/721A61B5/0002A61B5/0205A61B5/02438A61B5/6804A61B5/681A61B5/725A61B5/743
    • There is provided a biomedical sensing system and a method for its use. Such a system includes a diagnostic sensor configured to sense a physiological metric of a living subject via contact with the living subject, and to generate a diagnostic signal corresponding to the physiological metric. In addition, the system includes a motion sensor situated proximate the diagnostic sensor and configured to sense a motion corresponding to a motion of the diagnostic sensor during sensing of the physiological metric. The system also includes an analysis unit including a processor, and a memory storing a motion correction module. The processor is configured to receive the diagnostic signal and the motion signal, and to execute the motion correction module from the memory to adaptively filter the diagnostic signal using the motion signal to produce a motion compensated diagnostic signal.
    • 提供了一种生物医学感测系统及其使用方法。 这种系统包括诊断传感器,该诊断传感器被配置为通过与活体接触的接触来感测活体的生理度量,并且生成对应于生理度量的诊断信号。 另外,该系统包括位于诊断传感器附近的运动传感器,并且被配置为在感测生理度量期间感测与诊断传感器的运动相对应的运动。 该系统还包括包括处理器的分析单元和存储运动校正模块的存储器。 处理器被配置为接收诊断信号和运动信号,并且从存储器执行运动校正模块,以使用运动信号自适应地过滤诊断信号,以产生运动补偿诊断信号。