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公开(公告)号：US20100145206A1
公开(公告)日：2010-06-10
申请号：US12630735
申请日：2009-12-03
IPC分类号： A61B5/0402 , A61B5/02
CPC分类号： A61B5/0452 , A61B5/7275 , G16H50/20
摘要： One or more electrocardiographic signals are detected from a subject. The occurrence of alternans in the electrocardiographic signals are detected using one or more processors. One or more characteristics of detected alternans are determined. The determined characteristics of the detected alternans are analyzed to determine whether cardiac ischemia is present.
摘要翻译： 从受试者检测一个或多个心电图信号。 使用一个或多个处理器来检测心电图信号中的交替声音的发生。 确定检测到的交替量的一个或多个特征。 分析检测到的交替量的确定特征，以确定是否存在心脏缺血。
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公开(公告)号：US20070244404A1
公开(公告)日：2007-10-18
申请号：US11691949
申请日：2007-03-27
申请人： Ali Haghighi-Mood , Richard Cohen
发明人： Ali Haghighi-Mood , Richard Cohen
IPC分类号： A61B5/0444
CPC分类号： A61B5/02405 , A61B5/04014 , A61B5/0452 , A61B5/7207
摘要： A method for identifying infants at risk for SIDS includes applying electrodes to an infant, receiving electrical signals from the electrodes, analyzing the received electrical signals to measure alternans of a heart of the infant, and identifying whether the infant is at risk for SIDS. A system for identifying infants at risk for SIDS includes an input unit configured to receive electrical signals from electrodes applied to an infant, a processor connected to the input unit and configured to process the received electrical signals to measure alternans of a heart of the infant, and a comparator configured to compare the measured alternans with alternans in a population of infants.
摘要翻译： 用于识别SIDS处于危险中的婴儿的方法包括向婴儿施加电极，从电极接收电信号，分析所接收的电信号以测量婴儿的心脏的交替物，以及确定婴儿是否处于SIDS风险之中。 用于识别SIDS处于危险中的婴儿的系统包括被配置为从施加到婴儿的电极接收电信号的输入单元，连接到输入单元的处理器，并且被配置为处理所接收的电信号以测量婴儿的心脏的交替物， 以及比较器，被配置为将所测量的交替量与婴儿群体中的交替量进行比较。
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公开(公告)号：US5908393A
公开(公告)日：1999-06-01
申请号：US71834
申请日：1998-05-04
IPC分类号： A61B5/0452 , A61B5/0402
CPC分类号： A61B5/0452 , Y10S128/901
摘要： A method of reducing noise in a biological signal, such as an ECG signal, includes acquiring a biological signal, comparing the biological signal to a representative signal, and generating a predicted signal corresponding to the representative signal when the biological signal sufficiently matches the representative signal. The predicted signal is subtracted from the biological signal to produce a second signal, and a filter is applied to the second signal to produce a filtered signal. The predicted signal and the filtered signal then are combined to produce a noise-reduced signal.
摘要翻译： 一种降低生物信号（例如ECG信号）中的噪声的方法包括获取生物信号，将生物信号与代表性信号进行比较，并且当生物信号与代表信号充分匹配时产生与代表信号相对应的预测信号 。 从生物信号中减去预测信号以产生第二信号，并且将滤波器施加到第二信号以产生滤波信号。 然后将预测信号和经滤波的信号组合以产生降噪信号。
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公开(公告)号：US5827195A
公开(公告)日：1998-10-27
申请号：US853914
申请日：1997-05-09
申请人： Paul Lander
发明人： Paul Lander
IPC分类号： A61B5/0452 , G06F17/00 , A61B5/0402
CPC分类号： A61B5/0452 , A61B5/7203 , A61B5/726
摘要： Noise is reduced from a received ECG signal representative of activity of the heart of a patient. A collection of beats from the ECG signal is selected and transformed into a multi-dimensional representation. A multi-dimensional filter function is applied to the multi-dimensional representation to enhance a signal-to-noise ratio of the collection of beats.
摘要翻译： 从代表患者心脏的活动的接收到的ECG信号中减少噪声。 选择来自ECG信号的节拍的集合并将其转换为多维表示。 将多维滤波函数应用于多维表示以提高节拍收集的信噪比。
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公开(公告)号：US5704365A
公开(公告)日：1998-01-06
申请号：US557883
申请日：1995-11-14
IPC分类号： A61B5/0408 , A61B5/0452 , A61B5/053 , A61B5/22 , G06F17/00 , A61B5/0472
CPC分类号： A61B5/0535 , A61B5/0408 , A61B5/04085 , A61B5/0452 , A61B5/222 , A61B5/4884 , A61B5/7203 , A61B5/7207 , A61B5/721 , Y10S128/901
摘要： A method of reducing noise in a signal that represents a physiologic process includes obtaining multiple input signals, measuring a relationship between noise content of the input signals, and combining the input signals in consideration of the measured relationship to produce an output signal having low noise content. The multiple input signals may include, for example, two or more primary physiologic input signals or one or more primary physiologic input signals and two or more secondary input signals that represent noise. The method may further include dividing one or more ECG input signals and secondary input signals into set of segments, where each set of segments represents a beat of the ECG signal, measuring a relationship between noise content of corresponding points from successive sets of segments, and combining the input signals based on the measured relationship.
摘要翻译： 一种降低代表生理过程的信号中的噪声的方法包括获得多个输入信号，测量输入信号的噪声含量之间的关系，以及考虑到所测量的关系来组合输入信号，以产生具有低噪声含量的输出信号 。 多个输入信号可以包括例如两个或更多个原始生理输入信号或一个或多个原始生理输入信号以及表示噪声的两个或更多次级输入信号。 该方法还可以包括将一个或多个ECG输入信号和次要输入信号划分成一组段，其中每组段表示ECG信号的搏动，测量来自连续的段的组的对应点的噪声含量之间的关系，以及 根据测量的关系组合输入信号。
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公开(公告)号：US5570696A
公开(公告)日：1996-11-05
申请号：US187275
申请日：1994-01-26
IPC分类号： A61B5/0408 , A61B5/0452 , A61B5/053 , A61B5/22 , G06F17/00
CPC分类号： A61B5/222 , A61B5/0408 , A61B5/0452 , A61B5/0535
摘要： The temporal pattern of cycle-to-cycle variability in physiologic waveforms, such as alternans, is assessed by applying transducers to a subject, recording physiologic signals, and analyzing the cycle-to-cycle variation in waveform morphology. Preferred embodiments include the application of physiologic stress to the subject in order to adjust heart rate to the desired range, real-time analysis of waveform variability, reduction in the effect of intercycle variability on waveform variability, improved techniques for determining the statistical significance of the amplitude of a temporal pattern of variability, handling of abnormal beats such as atrial and ventricular premature beats, and assessment of the statistical significance of a measured level of a temporal pattern of variability.
摘要翻译： 通过对受试者应用传感器，记录生理信号和分析波形形态中的循环周期变化来评估生理波形（例如交替量）中周期与周期的变化的时间模式。 优选的实施方案包括对受试者施加生理应激以便将心率调节至所需范围，波形变异性的实时分析，周期变异性对波形变异性的影响的降低，用于确定波形变异性的统计学意义的改进技术 变异性的时间模式的幅度，异常搏动的处理，例如心房和心室过早搏动，以及评估变化性时间模式的测量水平的统计学显着性。
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公开(公告)号：US20100145204A1
公开(公告)日：2010-06-10
申请号：US12630718
申请日：2009-12-03
IPC分类号： A61B5/0472
CPC分类号： A61B5/0452 , A61B5/7203
摘要： First cardiac signal data generated from measured heart beats of a subject is received. Characteristics of alternans occurring in the received first cardiac signal data are determined. Second cardiac signal data generated from measured heart beats of the subject after a change relating to an administration of a pharmacological agent is received. Characteristics of alternans occurring in the received second cardiac signal data are determined. The characteristics of alternans occurring in the received first cardiac signal data are compared with the characteristics of alternans occurring in the received second cardiac signal data.
摘要翻译： 接收从受检者的测量心跳产生的第一心脏信号数据。 确定在接收到的第一心脏信号数据中发生的交替发生的特征。 在接受与药物剂的施用有关的变化之后，从被测物的测量心跳产生的第二心脏信号数据被接收。 确定在所接收的第二心脏信号数据中发生的交替发生的特征。 在接收的第一心脏信号数据中发生的交替发生的特征与在所接收的第二心脏信号数据中发生的交替发生的特征进行比较。
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公开(公告)号：US5891047A
公开(公告)日：1999-04-06
申请号：US818131
申请日：1997-03-14
申请人： Paul Lander , Pedro Gomis
发明人： Paul Lander , Pedro Gomis
IPC分类号： A61B5/0408 , A61B5/0452 , G06F17/00 , A61N5/0472
CPC分类号： A61B5/04525 , A61B5/04085
摘要： Abnormal cardiac activity in a patient may be detected by acquiring an electrocardiogram waveform associated with a first level of physiologic activity of the patient and an electrocardiogram waveform associated with a second, different level of physiologic activity of the patient. QRS complexes of the electrocardiogram waveforms are compared to identify an abnormal portion of the QRS complex of the electrocardiogram waveform associated with the second level of physiologic activity. The abnormal portion of the QRS complex is processed to detect abnormal physiologic activity.
摘要翻译： 可以通过获取与患者的生理活动的第一水平相关联的心电图波形和与患者的第二不同水平的生理活动相关联的心电图波形来检测患者的异常心脏活动。 比较心电图波形的QRS复合物，以识别与第二水平的生理活动相关的心电图波形的QRS波形的异常部分。 处理QRS复合体的异常部分以检测异常生理活动。
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公开(公告)号：US5891045A
公开(公告)日：1999-04-06
申请号：US896012
申请日：1997-07-17
IPC分类号： A61B5/0452 , A61B5/0408 , A61B5/05 , A61B5/0402
CPC分类号： A61B5/0452 , A61B5/04085 , A61B5/05
摘要： A localized cardiac measure, such as a localized measure of myocardial ischemia, is obtained by applying sensors to a subject, where the sensors are configured to produce electrical signals representative of cardiac activity of the subject. The subject's heart is then physiologically stressed by, for example, exercise stress testing, and electrical signals are received from at least two of the sensors. The received signals then are processed to obtain a localized cardiac measure.
摘要翻译： 通过将传感器应用于受试者来获得局部心脏测量，例如心肌缺血的局部测量，其中传感器被配置为产生代表受试者的心脏活动的电信号。 然后通过例如运动压力测试对受试者的心脏产生生理压力，并且从至少两个传感器接收电信号。 然后处理所接收的信号以获得局部心脏测量。
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公开(公告)号：US5791944A
公开(公告)日：1998-08-11
申请号：US724885
申请日：1996-10-03
申请人： John L. Grant , Herbert J. McEvoy
发明人： John L. Grant , Herbert J. McEvoy
IPC分类号： A61B5/0416 , H01R11/24 , H01R4/48
CPC分类号： H01R11/24 , A61B5/0416 , A61B2562/227
摘要： A connector that connects an electrode to a lead includes a connector housing. A conductive contact is positioned in the connector housing and has a tapered end, and a seating surface is positioned in the connector housing opposite the tapered end of the conductive contact. The seating surface and the tapered end are configured to positively retain an electrode when a connection hole of the electrode is positioned around the tapered end. The connector also includes a mechanism for pressing the seating surface against the tapered end of the conductive contact.
摘要翻译： 将电极连接到引线的连接器包括连接器壳体。 导电触点定位在连接器壳体中并且具有锥形端部，并且在连接器壳体中定位与导电触头的锥形端部相对的就座表面。 座面和锥形端构造成当电极的连接孔定位在锥形端周围时，可靠地保持电极。 连接器还包括用于将座面压靠在导电接触件的锥形端的机构。
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