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    • 1. 发明授权
    • Method and apparatus for producing a model EMG signal from a measured EMG signal
    • 用于从测量的EMG信号产生模型EMG信号的方法和装置
    • US06411843B1
    • 2002-06-25
    • US09567795
    • 2000-05-09
    • Jaroslaw Zarychta
    • Jaroslaw Zarychta
    • A61B504
    • A61B5/0488A61M16/024A61M2210/1014A61M2230/04A61M2230/08A61M2230/60
    • A model EMG signal is produced from a measured EMG signal that includes a patient's EMG signal and ECG signal by processing the measured EMG signal to produce a logic signal that is in a first binary state in the absence of a P wave, a QRS complex and a T wave of an ECG cycle of the measured EMG signal and that is in a second binary state during at least one of the P wave, the QRS complex and the T wave of the ECG cycle. The measured EMG signal is processed to produce a first envelope signal. The model EMG signal is produced as a function of the first envelope signal when the logic signal is in the first binary state and the absence of the first envelope signal when the logic signal is in the second binary state.
    • 通过处理所测量的EMG信号,产生一个逻辑信号,该测量的EMG信号包括患者的EMG信号和ECG信号,以产生在不存在P波,QRS波段的情况下处于第一二进制状态的逻辑信号, 测量的EMG信号的ECG周期的T波,并且在ECG周期的P波,QRS波形和T波中的至少一个期间处于第二二进制状态。 所测量的EMG信号被处理以产生第一包络信号。 当逻辑信号处于第一二进制状态并且当逻辑信号处于第二二进制状态时,不存在第一包络信号,产生作为第一包络信号的函数的模型EMG信号。
    • 2. 发明授权
    • Monitoring catheter and method of using same
    • 监测导管及其使用方法
    • US06259938B1
    • 2001-07-10
    • US09312540
    • 1999-05-13
    • Jaroslaw ZarychtaEugene N. ScarberryMark H. SandersGregory L. WalkerMark F. Sauerburger
    • Jaroslaw ZarychtaEugene N. ScarberryMark H. SandersGregory L. WalkerMark F. Sauerburger
    • A61S504
    • A61B5/6856A61B5/0421A61B7/023
    • A monitoring catheter that inserts into the patient's esophagus alone or in combination with an existing catheter, such as a feeding or aspiration tube. The monitoring catheter includes a pair of EMG electrodes on an exposed surface that contact the patient's esophageal wall to measure the activity of the diaphragm and/or a pair of pressure detecting mechanisms that measure the pressures within the patient at separate locations. The electrodes are sized and spaced from one another so as to maximize detection of diaphragm muscle activity while minimizing detection of noise. The pressure detecting mechanisms are sized and spaced apart to measure the patient's esophageal and gastric pressures, for example. If necessary, an attaching mechanism secures at least a portion of the monitoring catheter to the existing catheter so that the monitoring catheter uses the existing catheter as a tracking guide.
    • 一种监测导管,其单独或与现有导管(例如进料或吸引管)组合插入患者食管。 监测导管包括暴露表面上的一对EMG电极,其接触患者的食管壁以测量隔膜的活动性和/或一对测量患者在不同位置处的压力的压力检测机构。 电极的大小和间隔彼此间隔,以便最大程度地检测隔膜肌肉活动,同时最小化噪声的检测。 压力检测机构的尺寸和间隔开来以测量患者的食管和胃压,例如。 如果需要,附接机构将监护导管的至少一部分固定在现有导管上,使得监测导管使用现有的导管作为跟踪引导件。