公开(公告)号：US08380292B2

公开(公告)日：2013-02-19

申请号：US12482710

申请日：2009-06-11

申请人： Nikolaus Demharter ,  Michael Frank ,  Sven Heggen ,  Jürgen Röβler

发明人： Nikolaus Demharter ,  Michael Frank ,  Sven Heggen ,  Jürgen Röβler

IPC分类号： A61B5/04 ,  A61N1/00

CPC分类号： G01R33/5673 ,  A61B5/04017 ,  A61B5/0424 ,  A61B5/0456 ,  A61B5/055 ,  A61B5/7203 ,  A61B5/7285

摘要： The invention relates to a method for checking ECG signals measured by an ECG measuring device having at least three electrodes for the presence of interference errors. At least three voltages are measured on a closed circulation path across the electrodes of the ECG measuring device. A monitoring value is calculated from the three measured voltages. A presence of an error is checked by determining a deviation of the monitoring value from a reference value. An error signal is outputted if an error is presented. The ECG measuring device has a further processing unit for processing voltage signals between a different pair of electrodes and a monitoring unit for calculating the monitoring value.

摘要翻译： 本发明涉及一种用于检查由具有至少三个电极的ECG测量装置测量的ECG信号用于存在干扰误差的方法。 在ECG测量装置的电极上的闭合循环路径上测量至少三个电压。 根据三个测量电压计算监测值。 通过确定监测值与参考值的偏差来检查是否存在错误。 如果出现错误，则输出错误信号。 ECG测量装置具有用于处理不同对电极之间的电压信号的另外的处理单元和用于计算监视值的监视单元。

公开(公告)号：US08521258B2

公开(公告)日：2013-08-27

申请号：US12386327

申请日：2009-04-16

申请人： Nikolaus Demharter ,  Michael Frank ,  Sven Heggen ,  Ernst Mustafa ,  Jürgen Röβler

发明人： Nikolaus Demharter ,  Michael Frank ,  Sven Heggen ,  Ernst Mustafa ,  Jürgen Röβler

IPC分类号： A61B5/00

CPC分类号： A61B5/0402 ,  A61B5/055 ,  A61B5/7285 ,  A61B2560/0223 ,  G01R33/5673

摘要： The invention relates to a correction method for correcting interference due to gradient injections in ECG signal data records recorded in a magnetic resonance device by an ECG measuring device. A first correction data record is determined with the ECG measuring device located in a first position. A second correction data record is determined by the ECG measuring device located in a second position. An ECG signal data record is measured by the ECG measuring device located in a defined position. A modified correction data record is defined as a function of the first correction data record and the second correction data record and the first and second position and the defined position of the ECG measuring device. The ECG signal data record is corrected based on the modified correction data record.

公开(公告)号：US08150492B2

公开(公告)日：2012-04-03

申请号：US12386328

申请日：2009-04-16

申请人： Nikolaus Demharter ,  Michael Frank ,  Sven Heggen ,  Ernst Mustafa ,  Jürgen Röβler

发明人： Nikolaus Demharter ,  Michael Frank ,  Sven Heggen ,  Ernst Mustafa ,  Jürgen Röβler

IPC分类号： A61B5/0402 ,  A61B5/055

CPC分类号： A61B5/0402 ,  A61B5/055 ,  A61B5/7285 ,  G01R33/5673

摘要： The invention relates to a correction method for correction of noise resulting from gradient artifacts in ECG signal data records recorded in a magnetic resonance device by an ECG measuring apparatus. A first correction data record is determined with a reference point of the ECG measuring apparatus located at a first position in the magnetic resonance device. An ECG signal data record is measured with the reference point of the ECG measuring apparatus located at a second position in the magnetic resonance device. A modified correction data record is specified as a function of the first correction data record and the first and second position of the reference point. The ECG signal data record is corrected based on the modified correction data record.

摘要翻译： 本发明涉及一种用于校正由ECG测量装置记录在磁共振装置中的ECG信号数据记录中由梯度伪影产生的噪声的校正方法。 用位于磁共振装置中的第一位置的ECG测量装置的参考点确定第一校正数据记录。 用位于磁共振装置中的第二位置的ECG测量装置的参考点测量ECG信号数据记录。 修改的校正数据记录被指定为第一校正数据记录和参考点的第一和第二位置的函数。 基于经修改的校正数据记录校正ECG信号数据记录。

公开(公告)号：US09151810B2

公开(公告)日：2015-10-06

申请号：US11983861

申请日：2007-11-13

申请人： Nikolaus Demharter ,  Jürgen Röβler

发明人： Nikolaus Demharter ,  Jürgen Röβler

IPC分类号： G01R33/28 ,  A61B5/00 ,  A61B5/0456 ,  G01R33/567 ,  A61B5/055

CPC分类号： G01R33/28 ,  A61B5/0456 ,  A61B5/055 ,  A61B5/7285 ,  A61B5/7292 ,  G01R33/5673

摘要： The invention relates to a device for synchronizing a magnetic resonance unit with the cardiac rhythm of a patient, comprising a number of electrodes for leading off electrocardiogram signals from the body of the patient and an evaluation unit for determining a characteristic trigger time within a cardiac rhythm period of the patient from the electrocardiogram signals. In order to provide a device, which allows reliable determination of characteristic trigger times within the cardiac rhythm period of the patient even with elevated magnetic field strengths and which operates at least largely independently of external magnetic fields, it is proposed that the evaluation unit is designed to compare electrocardiogram signals obtained before and after the introduction of the patient into the magnetic resonance unit, in order to determine an enlargement of at least one characteristic of the electrocardiogram signals due to the magnetic field.

摘要翻译： 本发明涉及一种用于使磁共振单元与患者的心律同步的装置，包括用于从患者身体引出心电图信号的多个电极和用于确定心律的特征性触发时间的评估单元 病人从心电图信号的时期。 为了提供一种即使具有升高的磁场强度也可以在患者的心律周期内可靠地确定特征性触发时间并且至少在很大程度上独立于外部磁场而运行的装置，因此建议评估单元被设计 以将患者引入之前和之后获得的心电图信号与磁共振单元进行比较，以便确定由于磁场引起的心电图信号的至少一个特性的放大。

公开(公告)号：US08332023B2

公开(公告)日：2012-12-11

申请号：US12694403

申请日：2010-01-27

申请人： Michael Frank ,  Jürgen Röβler

发明人： Michael Frank ,  Jürgen Röβler

IPC分类号： A61B5/0456

CPC分类号： A61B5/0456 ,  A61B5/055 ,  A61B5/7239 ,  A61B5/7285

摘要： An ECG measuring device and a magnetic resonance scanner to permit reliable detection of R-waves in ECG signals. The R-waves are identified by: measuring at least one reference ECG signal by an ECG measuring device, identifying an R-wave in the reference ECG signal, determining from the reference ECG signal at least one reference quantity which the reference ECG signal assumes in a time interval that starts before the R-wave of the ECG signal and lasts at a maximum up to the occurrence of the R-wave, generating at least one comparison rule on the basis of the at least one reference quantity, measuring ECG signals in which R-waves are to be identified, comparing the measured ECG signals with at least one reference quantity on the basis of the at least one comparison rule and outputting a trigger signal on the basis of at least one positive result of the comparison.

摘要翻译： 一个ECG测量装置和一个磁共振扫描仪，可以在ECG信号中可靠地检测R波。 R波通过以下方式识别：通过ECG测量装置测量至少一个参考ECG信号，识别参考ECG信号中的R波，从参考ECG信号确定参考ECG信号采用的至少一个参考量 在ECG信号的R波之前开始并持续到最大直到出现R波的时间间隔，基于至少一个参考量产生至少一个比较规则，测量ECG信号 将要识别的R波，基于至少一个比较规则将所测量的ECG信号与至少一个参考量进行比较，并且基于比较的至少一个肯定结果来输出触发信号。

公开(公告)号：US08116856B2

公开(公告)日：2012-02-14

申请号：US11986858

申请日：2007-11-27

申请人： Jürgen Röβler

发明人： Jürgen Röβler

IPC分类号： A61B5/04

CPC分类号： A61B5/0408 ,  A61B5/055

摘要： The invention relates to an arrangement for recording ECG signals. The arrangement has at least three electrodes, which can be connected or are connected to an amplification unit via lines, with at least two lines having no or essentially only a minimal distance from one another at least over one part of their length and being embodied as a component of a cable comprising more than two lines.

摘要翻译： 本发明涉及用于记录ECG信号的装置。 该装置具有至少三个电极，其可以经由线连接或连接到放大单元，其中至少两条线至少在其长度的至少一部分上彼此之间没有或基本上只有最小的距离，并被实施为 包括多于两条线的电缆的部件。