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    • 2. 发明授权
    • Method, apparatus and system for removing motion artifacts from measurements of bodily parameters
    • 用于从身体参数测量中去除运动伪影的方法,装置和系统
    • US07072702B2
    • 2006-07-04
    • US10873758
    • 2004-06-22
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Paul B. GunnesonJesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Paul B. GunnesonJesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • A61B5/00
    • A61B5/14551A61B5/7207A61B5/7257A61B5/726
    • A method for removing motion artifacts from devices for sensing bodily parameters and apparatus and system for effecting same. The method includes analyzing segments of measured data representing bodily parameters and possibly noise from motion artifacts. Each segment of measured data may correspond to a single light signal transmitted and detected after transmission or reflection through bodily tissue. Each data segment is frequency analyzed to determine up to three candidate peaks for further analysis. Each of the up to three candidate frequencies may be filtered and various parameters associated with each of the up to three candidate frequencies are calculated. The best frequency, if one exists, is determined by arbitrating the candidate frequencies using the calculated parameters according to predefined criteria. If a best frequency is found, a pulse rate and SPO2 may be output. If a best frequency is not found, other, conventional techniques for calculating pulse rate and SpO2 may be used. The above method may be applied to red and infrared pulse oximetry signals prior to calculating pulse rate and/or pulsatile blood oxygen concentration. Apparatus and systems disclosed are configured to perform methods disclosed according to the invention.
    • 一种用于从用于感测身体参数的装置和用于实现其的设备和系统的装置中去除运动假象的方法。 该方法包括分析表示身体参数和可能的运动伪影噪声的测量数据的段。 测量数据的每一段可对应于通过身体组织透射或反射后传输和检测的单个光信号。 对每个数据段进行频率分析,以确定最多三个候选峰进行进一步分析。 可以对最多三个候选频率中的每一个进行滤波,并且计算与最多三个候选频率中的每一个相关联的各种参数。 通过使用根据预定准则的计算参数来仲裁候选频率来确定最佳频率(如果存在)。 如果找到最佳频率,则可以输出脉搏率和SPO 2 。 如果没有找到最佳频率,则可以使用用于计算脉率和SpO 2 2的其它常规技术。 在计算脉搏率和/或脉动血氧浓度之前,上述方法可以应用于红色和红外脉搏血氧饱和度信号。 公开的设备和系统被配置为执行根据本发明公开的方法。
    • 3. 发明授权
    • Method, apparatus and system for removing motion artifacts from measurements of bodily parameters
    • 用于从身体参数测量中去除运动伪影的方法,装置和系统
    • US06519486B1
    • 2003-02-11
    • US09546260
    • 2000-04-10
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Paul B. GunnesonJesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Paul B. GunnesonJesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • A61B500
    • A61B5/14551A61B5/7207A61B5/7257A61B5/726
    • A method for removing motion artifacts from devices for sensing bodily parameters and apparatus and system for effecting same. The method includes analyzing segments of measured data representing bodily parameters and possibly noise from motion artifacts. Each segment of measured data may correspond to a single light signal transmitted and detected after transmission or reflection through bodily tissue. Each data segment is frequency analyzed to determine up to three candidate peaks for further analysis. Each of the up to three candidate frequencies may be filtered and various parameters associated with each of the up to three candidate frequencies are calculated. The best frequency, if one exists, is determined by arbitrating the candidate frequencies using the calculated parameters according to predefined criteria. If a best frequency is found, a pulse rate and SpO2 may be output. If a best frequency is not found, other, conventional techniques for calculating pulse rate and Spo2 may be used. The above method may be applied to red and infrared pulse oximetry signals prior to calculating pulse rate and/or pulsatile blood oxygen concentration. Apparatus and systems disclosed are configured to perform methods disclosed according to the invention.
    • 一种用于从用于感测身体参数的装置和用于实现其的设备和系统的装置中去除运动假象的方法。 该方法包括分析表示身体参数和可能的运动伪影噪声的测量数据的段。 测量数据的每一段可对应于通过身体组织透射或反射后传输和检测的单个光信号。 对每个数据段进行频率分析,以确定最多三个候选峰进行进一步分析。 可以对最多三个候选频率中的每一个进行滤波,并且计算与最多三个候选频率中的每一个相关联的各种参数。 通过使用根据预定准则的计算参数来仲裁候选频率来确定最佳频率(如果存在)。 如果发现最佳频率,则可以输出脉率和SpO2。 如果没有找到最佳频率,则可以使用用于计算脉率和Spo2的其它常规技术。 在计算脉搏率和/或脉动血氧浓度之前,上述方法可以应用于红色和红外脉搏血氧饱和度信号。 公开的设备和系统被配置为执行根据本发明公开的方法。
    • 4. 发明授权
    • Method, apparatus and system for removing motion artifacts from measurements of bodily parameters
    • 用于从身体参数测量中去除运动伪影的方法,装置和系统
    • US06810277B2
    • 2004-10-26
    • US10213140
    • 2002-08-06
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Paul B. GunnesonJesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Paul B. GunnesonJesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • A61B500
    • A61B5/14551A61B5/7207A61B5/7257A61B5/726
    • A method for removing motion artifacts from devices for sensing bodily parameters and apparatus and system for effecting same. The method includes analyzing segments of measured data representing bodily parameters and possibly noise from motion artifacts. Each segment of measured data may correspond to a single light signal transmitted and detected after transmission or reflection through bodily tissue. Each data segment is frequency analyzed to determine up to three candidate peaks for further analysis. Each of the up to three candidate frequencies may be filtered and various parameters associated with each of the up to three candidate frequencies are calculated. The best frequency, if one exists, is determined by arbitrating the candidate frequencies using the calculated parameters according to predefined criteria. If a best frequency is found, a pulse rate and SpO2 may be output. If a best frequency is not found, other, conventional techniques for calculating pulse rate and SpO2 may be used. The above method may be applied to red and infrared pulse oximetry signals prior to calculating pulse rate and/or pulsatile blood oxygen concentration. Apparatus and systems disclosed are configured to perform methods disclosed according to the invention.
    • 一种用于从用于感测身体参数的装置和用于实现其的设备和系统的装置中去除运动假象的方法。 该方法包括分析表示身体参数和可能的运动伪影噪声的测量数据的段。 测量数据的每一段可对应于通过身体组织透射或反射后传输和检测的单个光信号。 对每个数据段进行频率分析,以确定最多三个候选峰进行进一步分析。 可以对最多三个候选频率中的每一个进行滤波,并且计算与最多三个候选频率中的每一个相关联的各种参数。 通过使用根据预定准则的计算参数来仲裁候选频率来确定最佳频率(如果存在)。 如果发现最佳频率,则可以输出脉率和SpO2。 如果没有发现最佳频率,则可以使用用于计算脉率和SpO2的其它常规技术。 在计算脉搏率和/或脉动血氧浓度之前,上述方法可以应用于红色和红外脉搏血氧饱和度信号。 公开的设备和系统被配置为执行根据本发明公开的方法。
    • 5. 发明授权
    • Method, apparatus and system for removing motion artifacts from measurements of bodily parameters
    • 用于从身体参数测量中去除运动伪影的方法,装置和系统
    • US06393311B1
    • 2002-05-21
    • US09410991
    • 1999-10-01
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Jesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • Reuben W. Edgar, Jr.August J. Allo, Jr.Jesus D. MartinJohn R. DelFaveroMichael B. Jaffe
    • A61B500
    • A61B5/14551A61B5/7207
    • A method for removing motion artifacts from devices for sensing bodily parameters and apparatus and system for effecting same. The method includes analyzing segments of measured data representing bodily parameters and possibly noise from motion artifacts. Each segment of measured data may correspond to a single light signal transmitted and detected after transmission or reflection through bodily tissue. Each data segment is frequency analyzed to determine dominant frequency components. The frequency component which represents at least one bodily parameter of interest is selected for further processing. The segment of data is subdivided into subsegments, each subsegment representing one heartbeat. The subsegments are used to calculate a modified average pulse as a candidate output pulse. The candidate output pulse is analyzed to determine whether it is a valid bodily parameter and, if yes, it is output for use in calculating the at least one bodily parameter of interest without any substantial noise degradation. The above method may be applied to red and infrared pulse oximetry signals prior to calculating pulsatile blood oxygen concentration. Apparatus and systems disclosed incorporate methods disclosed according to the invention.
    • 一种用于从用于感测身体参数的装置和用于实现其的设备和系统的装置中去除运动假象的方法。 该方法包括分析表示身体参数和可能的运动伪影噪声的测量数据的段。 测量数据的每一段可对应于通过身体组织透射或反射后传输和检测的单个光信号。 对每个数据段进行频率分析,以确定主要频率分量。 选择代表感兴趣的至少一个身体参数的频率分量用于进一步处理。 数据段细分为子段,每个子段表示一个心跳。 子段用于计算修改的平均脉冲作为候选输出脉冲。 分析候选输出脉冲以确定其是否是有效的身体参数,并且如果是,则将其输出用于计算感兴趣的至少一个身体参数而没有任何实质的噪声降低。 在计算脉搏血氧浓度之前,可以将上述方法应用于红色和红外脉搏血氧饱和度测量信号。 公开的装置和系统包括根据本发明公开的方法。