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1. 发明授权

US09301697B2 Systems and methods for recalibrating a non-invasive blood pressure monitor 有权
标题翻译：重新校准非侵入性血压计的系统和方法
公开(公告)号：US09301697B2
公开(公告)日：2016-04-05
申请号：US12242858
申请日：2008-09-30
申请人： Clark R. Baker, Jr. , James Nicholas Watson , Paul Stanley Addison
发明人： Clark R. Baker, Jr. , James Nicholas Watson , Paul Stanley Addison
IPC分类号： A61B5/02 , A61B5/021 , A61B5/022 , G06F19/00 , A61B5/1455 , A61B5/00
CPC分类号： A61B5/021 , A61B5/02125 , A61B5/022 , A61B5/02225 , A61B5/1455 , A61B5/7239 , A61B2560/0223 , G16H15/00 , G16H40/40 , G16H40/63
摘要： Techniques for non-invasive blood pressure monitoring are disclosed. Data corresponding to a patient may be received from a hospital information system. The data may include, for example, drug administration data, medical procedure data, medical equipment data, or a combination thereof. Whether a blood pressure monitoring system needs to be recalibrated may be determined, based at least in part on the received data. If it is determined that the blood pressure monitoring system needs to be recalibrated, the recalibration may be performed and at least one blood pressure measurement of the patient may be computed using the recalibrated blood pressure monitoring system.
摘要翻译：公开了用于非侵入性血压监测的技术。可以从医院信息系统接收对应于患者的数据。数据可以包括例如药物管理数据，医疗程序数据，医疗设备数据或其组合。至少部分地基于所接收的数据，可以确定是否需要重新校准血压监测系统。如果确定需要重新校准血压监测系统，则可以执行重新校准，并且可以使用重新校准的血压监测系统来计算患者的至少一个血压测量值。

2. 发明授权

US09198616B2 Method of analyzing and processing signals 有权
标题翻译：信号分析处理方法
公开(公告)号：US09198616B2
公开(公告)日：2015-12-01
申请号：US13590095
申请日：2012-08-20
申请人： Paul Stanley Addison , James Nicholas Watson
发明人： Paul Stanley Addison , James Nicholas Watson
IPC分类号： A61B5/02 , A61B5/00 , A61B5/024 , A61B5/08 , A61B5/1455 , G01N21/31
CPC分类号： A61B5/726 , A61B5/0002 , A61B5/0082 , A61B5/02416 , A61B5/02438 , A61B5/0816 , A61B5/14551 , A61B5/14552 , A61B5/4818 , A61B5/6826 , A61B5/6829 , A61B5/6838 , A61B5/6896 , A61B5/7207 , A61B5/7214 , A61B5/7278 , A61B5/7282 , A61B5/742 , A61B2503/06 , G01N21/3151 , G06F19/00
摘要： A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyze the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analog to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyzer component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyzer component.
摘要翻译：公开了一种生理测量系统，其可以从患者获取诸如光谱体积图的脉搏血氧测定信号，然后分析该信号以测量生理参数，包括呼吸，脉搏，氧饱和度和运动。该系统包括脉搏血氧计，其包括发光装置和可附接到对象的光电检测器，以获得脉搏血氧饱和度信号; 模数转换器装置，被布置成将所述脉搏血氧测定信号转换成数字脉搏血氧饱和度信号; 信号处理装置，适于接收所述数字脉搏血氧饱和度信号，并被布置成通过小波变换装置分解该信号; 特征提取装置，被布置成从分解信号中导出生理信息; 分析器组件，被布置成从特征提取装置收集信息; 以及数据输出装置，被布置成与分析器组件通信。

3. 发明授权

US09031627B2 Signal processing systems and methods using multiple signals 有权
标题翻译：信号处理系统和使用多种信号的方法
公开(公告)号：US09031627B2
公开(公告)日：2015-05-12
申请号：US12242918
申请日：2008-10-01
申请人： Paul Stanley Addison , James Nicholas Watson
发明人： Paul Stanley Addison , James Nicholas Watson
IPC分类号： A61B5/1455 , A61B5/00
CPC分类号： A61B5/726 , A61B5/14551 , A61B5/7203
摘要： According to embodiments, techniques for signal processing using multiple signals are disclosed. A first scalogram may be generated from a first signal and a second scalogram may be generated from a second signal. A modified or masked scalogram may then be generated based on the first and second scalograms. The modified scalogram may then be used to determine at least one physiological parameter. In some embodiments, one or both of the first signal and the second signal may be photoplethysmograph (PPG) signals obtained from a pulse oximeter.
摘要翻译：根据实施例，公开了使用多个信号的信号处理技术。可以从第一信号产生第一缩放图，并且可以从第二信号生成第二缩放图。然后可以基于第一和第二缩放图来生成经修改或掩蔽的缩放图。然后可以使用经修改的缩放图来确定至少一个生理参数。在一些实施例中，第一信号和第二信号中的一个或两个可以是从脉搏血氧计获得的光电体积描记术（PPG）信号。

4. 发明授权

US08483459B2 Systems and methods for ridge selection in scalograms of signals 失效
公开(公告)号：US08483459B2
公开(公告)日：2013-07-09
申请号：US13548129
申请日：2012-07-12
申请人： James Nicholas Watson , Paul Stanley Addison , David Clifton
发明人： James Nicholas Watson , Paul Stanley Addison , David Clifton
IPC分类号： G06K9/00
CPC分类号： A61B5/0806 , A61B5/0816 , A61B5/14551 , A61B5/726 , G06K9/0053
摘要： According to embodiments, systems, devices, and methods for ridge selection in scalograms are disclosed. Ridges or ridge components are features within a scalogram which may be computed from a signal such as a physiological (e.g., photoplethysmographic) signal. Ridges may be identified from one or more scalograms of the signal. Parameters characterizing these ridges may be determined. Based at least in part on these parameters, a ridge density distribution function is determined. A ridge is selected from analyzing this ridge density distribution function. In some embodiments, the selected ridge is used to determine a physiological parameter such as respiration rate.

5. 发明授权

US08478376B2 Systems and methods for determining physiological information using selective transform data 失效
标题翻译：使用选择性变换数据确定生理信息的系统和方法
公开(公告)号：US08478376B2
公开(公告)日：2013-07-02
申请号：US12512143
申请日：2009-07-30
申请人： Braddon M. Van Slyke , Paul Stanley Addison , James Nicholas Watson , Scott McGonigle
发明人： Braddon M. Van Slyke , Paul Stanley Addison , James Nicholas Watson , Scott McGonigle
IPC分类号： A61B5/1455
CPC分类号： G06K9/00516 , A61B5/02416 , A61B5/14551 , A61B5/7207 , A61B5/726
摘要： According to embodiments, a pulse band region is identified in a wavelet scalogram of a physiological signal (e.g., a plethysmograph or photoplethysmograph signal). Components of the scalogram at scales larger than the identified pulse band region are then used to determine a baseline signal in wavelet space. The baseline signal may then be used to normalize the physiological signal. Physiological information may be determined from the normalized signal. For example, oxygen saturation may be determined using a ratio of ratios or any other suitable technique.
摘要翻译：根据实施例，在生理信号（例如，体积描记器或光电体积描记信号）的小波图示中识别脉冲带区域。然后使用尺度大于识别的脉冲带区域的标尺的分量来确定小波空间中的基线信号。然后可以使用基线信号来标准化生理信号。生理信息可以从归一化信号确定。例如，氧饱和度可以使用比率或任何其它合适的技术来确定。

6. 发明申请

US20130046161A1 METHOD OF ANALYZING AND PROCESSING SIGNALS 审中-公开
公开(公告)号：US20130046161A1
公开(公告)日：2013-02-21
申请号：US13590108
申请日：2012-08-20
申请人： Paul Stanley Addison , James Nicholas Watson
发明人： Paul Stanley Addison , James Nicholas Watson
IPC分类号： A61B5/0205 , A61B5/1455
CPC分类号： A61B5/726 , A61B5/0002 , A61B5/0082 , A61B5/02416 , A61B5/02438 , A61B5/0816 , A61B5/14551 , A61B5/14552 , A61B5/4818 , A61B5/6826 , A61B5/6829 , A61B5/6838 , A61B5/6896 , A61B5/7207 , A61B5/7214 , A61B5/7278 , A61B5/7282 , A61B5/742 , A61B2503/06 , G01N21/3151
摘要： A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component.

7. 发明申请

US20130012792A1 SYSTEMS AND METHODS FOR IDENTIFYING PULSE RATES 审中-公开
标题翻译：用于识别脉冲速率的系统和方法
公开(公告)号：US20130012792A1
公开(公告)日：2013-01-10
申请号：US13620297
申请日：2012-09-14
申请人： Paul Stanley Addison , James Nicholas Watson
发明人： Paul Stanley Addison , James Nicholas Watson
IPC分类号： A61B5/0205 , A61B5/1455
CPC分类号： A61B5/14551 , A61B5/7207 , A61B5/7225 , A61B5/7257 , A61B5/726
摘要： According to embodiments, techniques for using continuous wavelet transforms and spectral transforms to identify pulse rates from a photoplethysmographic (PPG) signal are disclosed. According to embodiments, candidate pulse rates of the PPG signal may be identified from a wavelet transformed PPG signal and a spectral transformed PPG signal. A pulse rate may be determined from the candidate pulse rates by selecting one of the candidate pulse rates or by combining the candidate pulse rates. According to embodiments, a spectral transform of a PPG signal may be performed to identify a frequency region associated with a pulse rate of the PPG signal. A continuous wavelet transform of the PPG signal at a scale corresponding to the identified frequency region may be performed to determine a pulse rate from the wavelet transformed signal.
摘要翻译：根据实施例，公开了使用连续小波变换和频谱变换来识别来自光电体积描记术（PPG）信号的脉率的技术。根据实施例，可以从小波变换的PPG信号和频谱变换的PPG信号中识别PPG信号的候选脉冲速率。可以通过选择候选脉冲速率之一或通过组合候选脉冲速率从候选脉冲速率确定脉率。根据实施例，可以执行PPG信号的频谱变换以识别与PPG信号的脉冲速率相关联的频率区域。可以执行以与所识别的频率区域对应的比例的PPG信号的连续小波变换，以从小波变换信号确定脉率。

8. 发明授权

US08346333B2 Systems and methods for estimating values of a continuous wavelet transform 有权
公开(公告)号：US08346333B2
公开(公告)日：2013-01-01
申请号：US12512132
申请日：2009-07-30
申请人： James Nicholas Watson , Paul Stanley Addison , Braddon M. Van Slyke
发明人： James Nicholas Watson , Paul Stanley Addison , Braddon M. Van Slyke
IPC分类号： A61B5/1455 , A61B5/00 , G01N33/48
CPC分类号： A61B5/726 , A61B5/0205 , A61B5/1455 , A61B5/14551 , A61B5/7203 , G06F17/148 , G06K9/00523
摘要： According to embodiments, techniques for estimating scalogram energy values in a wedge region of a scalogram are disclosed. A pulse oximetry system including a sensor or probe may be used to receive a photoplethysmograph (PPG) signal from a patient or subject. A scalogram, corresponding to the obtained PPG signal, may be determined. In an arrangement, energy values in the wedge region of the scalogram may be estimated by calculating a set of estimation locations in the wedge region and estimating scalogram energy values at each location. In an arrangement, scalogram energy values may be estimated based on an estimation scheme and by combining scalogram values in a vicinity region. In an arrangement, the vicinity region may include energy values in a resolved region of the scalogram and previously estimated energy values in the wedge region of the scalogram. In an arrangement, one or more signal parameters may be determined based on the resolved and estimated values of the scalogram.

9. 发明授权

US08255029B2 Method of analyzing and processing signals 有权
标题翻译：信号分析处理方法
公开(公告)号：US08255029B2
公开(公告)日：2012-08-28
申请号：US10547430
申请日：2004-02-27
申请人： Paul Stanley Addison , James Nicholas Watson
发明人： Paul Stanley Addison , James Nicholas Watson
IPC分类号： A61B5/00
CPC分类号： A61B5/726 , A61B5/0002 , A61B5/0082 , A61B5/02416 , A61B5/02438 , A61B5/0816 , A61B5/14551 , A61B5/14552 , A61B5/4818 , A61B5/6826 , A61B5/6829 , A61B5/6838 , A61B5/6896 , A61B5/7207 , A61B5/7214 , A61B5/7278 , A61B5/7282 , A61B5/742 , A61B2503/06 , G01N21/3151 , G06F19/00
摘要： A physiological measurement system is disclosed which can take a pulse oximetry signal such as a photoplethysmogram from a patient and then analyse the signal to measure physiological parameters including respiration, pulse, oxygen saturation and movement. The system can be used as a general monitor, or more specifically, to for infant or adult apnea, and to guard against sudden infant death syndrome. The system comprises a pulse oximeter which includes a light emitting device and a photodetector attachable to a subject to obtain a pulse oximetry signal; analogue to digital converter means arranged to convert said pulse oximetry signal into a digital pulse oximetry signal; signal processing means suitable to receive said digital pulse oximetry signal and arranged to decompose that signal by wavelet transform means; feature extraction means arranged to derive physiological information from the decomposed signal; an analyser component arranged to collect information from the feature extraction means; and data output means arranged in communication with the analyser component.
摘要翻译：公开了一种生理测量系统，其可以从患者获取诸如光谱体积图的脉搏血氧测定信号，然后分析该信号以测量生理参数，包括呼吸，脉搏，氧饱和度和运动。该系统可以用作一般监视器，或者更具体地用于婴儿或成人呼吸暂停，并且防止突然的婴儿死亡综合征。该系统包括脉搏血氧计，其包括发光装置和可附接到对象的光电检测器，以获得脉搏血氧饱和度信号; 模拟数字转换器装置，被布置成将所述脉搏血氧测定信号转换成数字脉搏血氧饱和度信号; 信号处理装置，适于接收所述数字脉搏血氧饱和度信号，并被布置成通过小波变换装置分解该信号; 特征提取装置，被布置成从分解信号中导出生理信息; 分析器组件，被布置成从特征提取装置收集信息; 以及数据输出装置，被布置成与分析器组件通信。

10. 发明授权

US08235911B2 Methods and systems for filtering a signal according to a signal model and continuous wavelet transform techniques 有权
标题翻译：根据信号模型和连续小波变换技术对信号进行滤波的方法和系统
公开(公告)号：US08235911B2
公开(公告)日：2012-08-07
申请号：US12245356
申请日：2008-10-03
申请人： James Nicholas Watson , Paul Stanley Addison
发明人： James Nicholas Watson , Paul Stanley Addison
IPC分类号： A61B5/026 , G06F19/00 , G06F15/00 , G11C17/00
CPC分类号： A61B5/726 , A61B5/14551 , A61B5/7203
摘要： According to embodiments, systems and methods are provided for filtering a signal. A first reference signal may be generated according to a signal model and a second reference signal may be generated by analyzing a continuous wavelet transform of a signal. The first and second reference signals may then both be applied to an input signal to filter the input signal according to the components of both of the reference signals.
摘要翻译：根据实施例，提供了用于过滤信号的系统和方法。可以根据信号模型生成第一参考信号，并且可以通过分析信号的连续小波变换来生成第二参考信号。然后可以将第一和第二参考信号都应用于输入信号，以根据两个参考信号的分量对输入信号进行滤波。

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