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1. 发明授权

US08805485B2 Extraction of fetal cardiac signals 有权
标题翻译：提取胎儿心脏信号
公开(公告)号：US08805485B2
公开(公告)日：2014-08-12
申请号：US12624175
申请日：2009-11-23
申请人： Reza Sameni , Christian Jutten , Mohammad B. Shamsollahi , Gari D. Clifford
发明人： Reza Sameni , Christian Jutten , Mohammad B. Shamsollahi , Gari D. Clifford
IPC分类号： A61B5/04 , A61B5/0444 , A61B5/00
CPC分类号： A61B5/0444 , A61B5/04011 , A61B5/04012 , A61B5/4362 , A61B5/7203 , A61B5/7246 , A61B5/725
摘要： A method for processing cardiac signals includes accepting, from a sensor system, a set of one or more signals, the signals including components of a desired cardiac signal and components of a substantially periodic interfering signal. The method is applicable for extraction of desired fetal cardiac signals from signals with interference from the maternal cardiac signal. A periodicity of the interfering signal is determined, and one or more iterations of mitigating an effect of a component of the signals that exhibit periodicity at the determined periodicity of the interfering signal are performed. In some examples, the method further includes determining a periodicity of the desired cardiac signal, and performing one or more iterations of enhancing an effect of a component of the signals that exhibit periodicity at the determined periodicity of the desired cardiac signal.
摘要翻译：一种用于处理心脏信号的方法包括从传感器系统接收一组一个或多个信号，所述信号包括期望的心脏信号的分量和基本上周期性的干扰信号的分量。该方法适用于从母体心脏信号干扰信号中提取所需胎心心脏信号。确定干扰信号的周期，并且执行一个或多个减轻在所确定的干扰信号的周期上呈现周期的信号的分量的影响的迭代。在一些示例中，该方法还包括确定期望的心脏信号的周期性，以及执行增强在所需心脏信号的确定的周期上呈现周期性的信号的分量的影响的一个或多个迭代。

2. 发明授权

US07949389B2 Fetal ECG monitoring 有权
标题翻译：胎儿心电图监测
公开(公告)号：US07949389B2
公开(公告)日：2011-05-24
申请号：US12424046
申请日：2009-04-15
申请人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
发明人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
IPC分类号： A61B5/0444
CPC分类号： A61B5/0444 , A61B5/02411 , A61B5/0245 , A61B5/412 , A61B5/4362
摘要： A method for fetal monitoring includes acquiring electrical signals from a set of electrodes, for example, a set of surface electrodes applied to a maternal abdominal region. The electrical signals are analyzed, including by performing a morphological analysis of fetal electrocardiogram signals. A clinical indicator is then determined from a result of performing the morphological analysis.
摘要翻译：用于胎儿监测的方法包括从一组电极，例如施加到母体腹部区域的一组表面电极获取电信号。分析电信号，包括对胎儿心电图信号进行形态学分析。然后从进行形态学分析的结果确定临床指标。

3. 发明申请

US20070260151A1 METHOD AND DEVICE FOR FILTERING, SEGMENTING, COMPRESSING AND CLASSIFYING OSCILLATORY SIGNALS 审中-公开
标题翻译：滤波，分割，压缩和分类振荡信号的方法和装置
公开(公告)号：US20070260151A1
公开(公告)日：2007-11-08
申请号：US11470506
申请日：2006-09-06
申请人： Gari D. Clifford
发明人： Gari D. Clifford
IPC分类号： A61B5/04
CPC分类号： A61B5/04017 , A61B5/0452 , A61B5/7203 , A61B5/7232 , A61B5/725 , A61B5/7264
摘要： A method, system, and computer readable medium executable on a computer for at least one of filtering, segmenting, compressing and classifying an ECG or similar signal includes the steps of fitting a nonlinear signal model to the signal using an optimization algorithm, such as nonlinear least squares, and determining features in the nonlinear signal model.
摘要翻译：在计算机上可执行的用于对ECG或类似信号进行滤波，分段，压缩和分类的至少一个的方法，系统和计算机可读介质包括以下步骤：使用诸如非线性的优化算法将非线性信号模型拟合到信号上最小二乘法，并确定非线性信号模型中的特征。

4. 发明申请

US20120083676A1 FETAL ECG MONITORING 审中-公开
标题翻译： FETAL心电监护
公开(公告)号：US20120083676A1
公开(公告)日：2012-04-05
申请号：US13249812
申请日：2011-09-30
申请人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
发明人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
IPC分类号： A61B5/0205 , A61B5/00 , A61B5/0478 , A61B5/103 , A61B5/04 , A61B5/0448
CPC分类号： A61B5/0444 , A61B5/02411 , A61B5/0245 , A61B5/412 , A61B5/4362
摘要： A method for fetal monitoring includes acquiring electrical signals from a set of electrodes, for example, a set of surface electrodes applied to a maternal abdominal region. The electrical signals are analyzed, including by performing a morphological analysis of fetal electrocardiogram signals. A clinical indicator is then determined from a result of performing the morphological analysis.
摘要翻译：用于胎儿监测的方法包括从一组电极，例如施加到母体腹部区域的一组表面电极获取电信号。分析电信号，包括对胎儿心电图信号进行形态学分析。然后从进行形态学分析的结果确定临床指标。

5. 发明申请

US20120016209A1 FETAL ECG MONITORING 审中-公开
公开(公告)号：US20120016209A1
公开(公告)日：2012-01-19
申请号：US13113293
申请日：2011-05-23
申请人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
发明人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
IPC分类号： A61B5/0205 , A61B5/04
CPC分类号： A61B5/0444 , A61B5/02411 , A61B5/0245 , A61B5/412 , A61B5/4362
摘要： A method for fetal monitoring includes acquiring electrical signals from a set of electrodes, for example, a set of surface electrodes applied to a maternal abdominal region. The electrical signals are analyzed, including by performing a morphological analysis of fetal electrocardiogram signals. A clinical indicator is then determined from a result of performing the morphological analysis.

6. 发明申请

US20090259133A1 FETAL ECG MONITORING 有权
标题翻译： FETAL心电监护
公开(公告)号：US20090259133A1
公开(公告)日：2009-10-15
申请号：US12424046
申请日：2009-04-15
申请人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
发明人： Adam J. Wolfberg , Gari D. Clifford , Jay Ward
IPC分类号： A61B5/0448
CPC分类号： A61B5/0444 , A61B5/02411 , A61B5/0245 , A61B5/412 , A61B5/4362
摘要： A method for fetal monitoring includes acquiring electrical signals from a set of electrodes, for example, a set of surface electrodes applied to a maternal abdominal region. The electrical signals are analyzed, including by performing a morphological analysis of fetal electrocardiogram signals. A clinical indicator is then determined from a result of performing the morphological analysis.
摘要翻译：用于胎儿监测的方法包括从一组电极，例如施加到母体腹部区域的一组表面电极获取电信号。分析电信号，包括对胎儿心电图信号进行形态学分析。然后从进行形态学分析的结果确定临床指标。

7. 发明申请

US20100137727A1 EXTRACTION OF FETAL CARDIAC SIGNALS 有权
标题翻译：提取胎儿心脏信号
公开(公告)号：US20100137727A1
公开(公告)日：2010-06-03
申请号：US12624175
申请日：2009-11-23
申请人： Reza Sameni , Christian Jutten , Mohammad B. Shamsollahi , Gari D. Clifford
发明人： Reza Sameni , Christian Jutten , Mohammad B. Shamsollahi , Gari D. Clifford
IPC分类号： A61B5/0444
CPC分类号： A61B5/0444 , A61B5/04011 , A61B5/04012 , A61B5/4362 , A61B5/7203 , A61B5/7246 , A61B5/725
摘要： A method for processing cardiac signals includes accepting, from a sensor system, a set of one or more signals, the signals including components of a desired cardiac signal and components of a substantially periodic interfering signal. The method is applicable for extraction of desired fetal cardiac signals from signals with interference from the maternal cardiac signal. A periodicity of the interfering signal is determined, and one or more iterations of mitigating an effect of a component of the signals that exhibit periodicity at the determined periodicity of the interfering signal are performed. In some examples, the method further includes determining a periodicity of the desired cardiac signal, and performing one or more iterations of enhancing an effect of a component of the signals that exhibit periodicity at the determined periodicity of the desired cardiac signal.
摘要翻译：一种用于处理心脏信号的方法包括从传感器系统接收一组一个或多个信号，所述信号包括期望的心脏信号的分量和基本上周期性的干扰信号的分量。该方法适用于从母体心脏信号干扰信号中提取所需胎心心脏信号。确定干扰信号的周期，并且执行一个或多个减轻在所确定的干扰信号的周期上呈现周期的信号的分量的影响的迭代。在一些示例中，该方法还包括确定期望的心脏信号的周期性，以及执行增强在所需心脏信号的确定的周期上呈现周期性的信号的分量的影响的一个或多个迭代。

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