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1. 发明申请

US20070213627A1 FETAL SURVEILLANCE 有权
标题翻译： FETAL监视
公开(公告)号：US20070213627A1
公开(公告)日：2007-09-13
申请号：US10595378
申请日：2004-10-13
申请人： David James , John Crowe , Barrie Hayes-Gill , Carl Barratt , Jean-Francois Pieri
发明人： David James , John Crowe , Barrie Hayes-Gill , Carl Barratt , Jean-Francois Pieri
IPC分类号： A61B5/0444
CPC分类号： A61B5/4362 , A61B5/02411 , A61B5/0444
摘要： Fetal behaviour is monitored by receiving ECG data from a set of electrodes attached to a materrial body. A waveform pre-processor identifies a succession of fetal ECG complex waveforms within the received data and a waveform processor determines differences in the processor succession of fetal ECG complex waveforms over time. An event logger determines from the determined differences a number of fetal movements during the period of time. Fetal spatial presentation and/or position within the uterus may also be determined from fetal ECG data acquired from a plurality of electrodes positioned on the maternal abdomen in a predetermined configuration. A number of fetal ECG complex waveforms are identified within the data, and each of the waveforms is compared with a set of predetermined fetal ECG complex templates ascribed to the predetermined electrode configuration to determine a template that best matches the identified fetal ECG waveforms.
摘要翻译：通过从连接到物质体的一组电极接收ECG数据来监测胎儿行为。波形预处理器识别接收到的数据中的一系列胎儿ECG复杂波形，并且波形处理器确定随着时间的推移，胎儿ECG复杂波形的处理器连续性的差异。事件记录器根据所确定的差异确定一段时间内的胎动。胎儿空间呈现和/或子宫内的位置也可以从以预定配置从位于母体腹部的多个电极获取的胎儿ECG数据确定。在数据内识别出许多胎儿ECG复杂波形，并且将每个波形与归因于预定电极配置的一组预定胎儿ECG复合模板进行比较，以确定与所识别的胎儿ECG波形最佳匹配的模板。

2. 发明授权

US07532923B1 Apparatus and method for detecting a fetal heart rate 有权
标题翻译：用于检测胎儿心率的装置和方法
公开(公告)号：US07532923B1
公开(公告)日：2009-05-12
申请号：US10089997
申请日：2000-10-06
申请人： Barrie Hayes-Gill , David James , John Crowe , Jean-Francois Pieri
发明人： Barrie Hayes-Gill , David James , John Crowe , Jean-Francois Pieri
IPC分类号： A61B5/0444
CPC分类号： A61B5/4362 , A61B5/02411 , A61B5/0444
摘要： The present invention relates to apparatus for detecting the heart rate of a fetus. The apparatus includes at least two detectors for detecting heart beats of the fetus, each detector comprising at least two electrodes for detecting ECG signals. A processor, which is coupled to the detectors, is used to process the ECG signals received from each detector and determine the heart rate of the fetus.
摘要翻译：本发明涉及用于检测胎儿心率的装置。该装置包括用于检测胎儿心跳的至少两个检测器，每个检测器包括用于检测ECG信号的至少两个电极。耦合到检测器的处理器用于处理从每个检测器接收的ECG信号并确定胎儿的心率。

3. 发明申请

US20090192396A1 Apparatus and method for detecting a fetal heart rate 审中-公开
标题翻译：用于检测胎儿心率的装置和方法
公开(公告)号：US20090192396A1
公开(公告)日：2009-07-30
申请号：US12385068
申请日：2009-03-30
申请人： Barrie Hayes-Gill , David James , John Crowe , Jean-Francois Pieri
发明人： Barrie Hayes-Gill , David James , John Crowe , Jean-Francois Pieri
IPC分类号： A61B5/0444
CPC分类号： A61B5/4362 , A61B5/02411 , A61B5/0444
摘要： An apparatus and method for detecting the heart rate of a fetus. The apparatus includes three detectors detecting heart beats of the fetus, each detector including at least two electrodes detecting ECG signals, the detectors being positioned on an abdomen of a mother in use. The apparatus also includes a processor coupled to the detectors, the processor being adapted to process the ECG signals received from the detectors and determine a heart rate of the fetus. The method of determining the heart rate of the fetus includes determining a position of the fetus within a womb, placing the detectors on an abdomen of the mother, monitoring the ECG signals obtained from the detectors for a predetermined length of time, and processing the ECG signals obtained from the detectors positioned on the abdomen of the mother to determine heart beats of the mother.
摘要翻译：一种用于检测胎儿心率的装置和方法。该装置包括检测胎儿心跳的三个检测器，每个检测器包括检测ECG信号的至少两个电极，检测器位于正在使用的母亲的腹部上。该装置还包括耦合到检测器的处理器，该处理器适于处理从检测器接收的ECG信号并确定胎儿的心率。确定胎儿心率的方法包括确定胎儿在子宫内的位置，将检测器放置在母体的腹部上，监测从检测器获得的ECG信号达预定时间长度，以及处理ECG 从位于母亲腹部的检测器获得的信号，以确定母亲的心跳。

4. 发明授权

US08768424B2 Photoplethysmography 有权
公开(公告)号：US08768424B2
公开(公告)日：2014-07-01
申请号：US12296513
申请日：2007-04-11
申请人： John Crowe , Mark Grubb , Barrie Hayes-Gill , Nicholas Miles
发明人： John Crowe , Mark Grubb , Barrie Hayes-Gill , Nicholas Miles
IPC分类号： A61B5/00
CPC分类号： A61B5/0295 , A61B5/02416 , A61B5/02433 , A61B5/1455 , A61B5/14551 , A61B5/14552 , A61B5/7228 , A61B5/7235
摘要： A photoplethysmograph device includes a light source for illuminating a target object. A modulator drives the light source such that the output intensity varies as a function of a modulation signal at a modulation frequency. A detector receives light from the target object and generates an electrical output as a function of the intensity of received light. A demodulator with a local oscillator receives the detector output and produces a demodulated output, insensitive to any phase difference between the modulation signal and the oscillator, indicative of blood volume as a function of time and/or blood composition. A number of demodulators may be provided to derive signals from multiple light sources of different wavelengths, or from an array of detectors. The plethysmograph may operate in a transmission mode or a reflectance mode. When in a reflectance mode, the device may use the green part of the optical spectrum and may use polarizing filters.
摘要翻译：光电体积描记器装置包括用于照射目标物体的光源。调制器驱动光源，使得输出强度作为调制频率处的调制信号的函数而变化。检测器从目标物体接收光并产生作为接收光强度的函数的电输出。具有本地振荡器的解调器接收检测器输出并产生解调输出，对调制信号和振荡器之间的任何相位差不敏感，指示作为时间和/或血液成分的函数的血容量。可以提供多个解调器来导出来自不同波长的多个光源或来自检测器阵列的信号。体积描记器可以在透射模式或反射模式下操作。当处于反射模式时，该装置可以使用光谱的绿色部分并且可以使用偏振滤光器。

5. 发明申请

US20100294917A1 Apparatus and Methods for Imaging 审中-公开
标题翻译：成像装置和方法
公开(公告)号：US20100294917A1
公开(公告)日：2010-11-25
申请号：US12740840
申请日：2008-10-30
申请人： Stephen Morgan , Barrie Hayes-Gill , John Crowe , Malcolm Woolfson
发明人： Stephen Morgan , Barrie Hayes-Gill , John Crowe , Malcolm Woolfson
IPC分类号： H01L31/102 , H01L31/09 , H03F3/08
CPC分类号： G01P5/26 , A61B5/0261 , A61B5/7242 , G01F1/661 , G01F1/663 , G01P3/366 , G01P5/001 , G01S17/58
摘要： For imaging, an electromagnetic radiation sensor is used to produce an output when illuminated by a modulated laser light. In use, the output is determined by a laser Doppler signal illuminating the sensor. Various examples are described for achieving integration of on-chip processing onto the substrate providing the sensor. In one example, the output of the sensor is a logarithmic function of the illuminating laser Doppler signal. In another example, the output of the sensor is normalized. In another example, an amplifier arrangement is provided to amplify the output of the sensor, the amplifier gain being lower at DC than at the frequency range of the laser Doppler signal. In another example, a filter is integrated into the semiconductor device. In another example, a bandpass filter and frequency weighted filter are provided, and their outputs are processed to average values over time.
摘要翻译：对于成像，使用电磁辐射传感器在被调制的激光照射时产生输出。在使用中，输出由照射传感器的激光多普勒信号决定。描述了用于实现将片上处理集成到提供传感器的基板上的各种示例。在一个示例中，传感器的输出是照明激光多普勒信号的对数函数。在另一示例中，传感器的输出被归一化。在另一示例中，提供放大器布置以放大传感器的输出，放大器增益在DC处比在激光多普勒信号的频率范围处更低。在另一示例中，将滤波器集成到半导体器件中。在另一示例中，提供带通滤波器和频率加权滤波器，并且它们的输出被处理成随时间的平均值。

6. 发明申请

US20090306487A1 PHOTOPLETHYSMOGRAPHY 有权
标题翻译：光电子学
公开(公告)号：US20090306487A1
公开(公告)日：2009-12-10
申请号：US12296513
申请日：2007-04-11
申请人： John Crowe , Mark Grubb , Barrie Hayes-Gill , Nicolas Miles
发明人： John Crowe , Mark Grubb , Barrie Hayes-Gill , Nicolas Miles
IPC分类号： A61B5/1455
CPC分类号： A61B5/0295 , A61B5/02416 , A61B5/02433 , A61B5/1455 , A61B5/14551 , A61B5/14552 , A61B5/7228 , A61B5/7235
摘要： A photoplethysmograph device includes a light source for illuminating a target object. A modulator drives the light source such that the output intensity varies as a function of a modulation signal at a modulation frequency. A detector receives light from the target object and generates an electrical output as a function of the intensity of received light. A demodulator with a local oscillator receives the detector output and produces a demodulated output,insensitive to any phase difference between the modulation signal and the oscillator, indicative of blood volume as a function of time and/or blood composition. A number of demodulators may be provided to derive signals from multiple light sources of different wavelengths, or from an array of detectors. The plethysmograph may operate in a transmission mode or a reflectance mode. When in a reflectance mode, the device may use the green part of the optical spectrum and may use polarising filters.
摘要翻译：光电体积描记器装置包括用于照射目标物体的光源。调制器驱动光源，使得输出强度作为调制频率处的调制信号的函数而变化。检测器从目标物体接收光并产生作为接收光强度的函数的电输出。具有本地振荡器的解调器接收检测器输出并产生解调输出，对调制信号和振荡器之间的任何相位差不敏感，指示作为时间和/或血液成分的函数的血容量。可以提供多个解调器来导出来自不同波长的多个光源或来自检测器阵列的信号。体积描记器可以在透射模式或反射模式下操作。当处于反射模式时，该装置可以使用光谱的绿色部分并且可以使用偏振滤光器。

7. 发明申请

US20100312500A1 Array of Electromagnetic Radiation Sensors with On-Chip Processing Circuitry 审中-公开
标题翻译：具有片上处理电路的电磁辐射传感器阵列
公开(公告)号：US20100312500A1
公开(公告)日：2010-12-09
申请号：US12669848
申请日：2008-07-21
申请人： Stephen Morgan , Barrie Hayes-Gill
发明人： Stephen Morgan , Barrie Hayes-Gill
IPC分类号： G06F15/00 , G01F1/66
CPC分类号： G01F1/663 , A61B5/026 , G01F1/661 , G01P5/001 , G01S7/4811 , G01S17/58
摘要： A system comprises an illumination system to illuminate a sensor device with a reference beam of electromagnetic radiation and with electromagnetic radiation from a subject. A Doppler shift of the radiation from the subject occurs, if the subject is moving, vibrating, or is a flowing fluid. The sensor device provides an array of electromagnetic radiation sensors and has processing circuitry integrated into the sensor device to process the output of the sensors to provide the output of the sensor device. The processing circuitry is operable to provide, for each operative sensor, a value calculated from the Doppler shift of the radiation from the subject at the corresponding position at the subject, and to provide the calculated values as the processed output. This reduces the data rate required at the output of the sensor device, and allows the output to be used to form an image on a display representing the movement, vibration or flow of the subject.
摘要翻译：一种系统包括照明系统，以照射具有电磁辐射的参考光束和来自受试者的电磁辐射的传感器装置。如果受试者移动，振动或流动的流体，则发生来自受试者的辐射的多普勒频移。传感器装置提供一组电磁辐射传感器，并且具有集成到传感器装置中的处理电路，以处理传感器的输出以提供传感器装置的输出。处理电路可操作以为每个操作传感器提供从在被检体的相应位置处的来自受试者的辐射的多普勒频移计算出的值，并将计算值提供为经处理的输出。这降低了传感器装置的输出所需的数据速率，并且允许输出用于在表示被摄体的运动，振动或流动的显示器上形成图像。

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