利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

9 条记录 (耗时 0.036 秒)

    Monitoring catheter and method of using same
    1.
    发明授权
    Monitoring catheter and method of using same 有权
    监测导管及其使用方法

    公开(公告)号：US06259938B1

    公开(公告)日：2001-07-10

    申请号：US09312540

    申请日：1999-05-13

    申请人： Jaroslaw Zarychta ,  Eugene N. Scarberry ,  Mark H. Sanders ,  Gregory L. Walker ,  Mark F. Sauerburger

    发明人： Jaroslaw Zarychta ,  Eugene N. Scarberry ,  Mark H. Sanders ,  Gregory L. Walker ,  Mark F. Sauerburger

    IPC分类号： A61S504

    CPC分类号： A61B5/6856 ,  A61B5/0421 ,  A61B7/023

    摘要： 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.

    摘要翻译： 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。

    Apparatus and method for monitoring pressure related changes in the extra-thoracic arterial circulatory system
    8.
    发明授权
    Apparatus and method for monitoring pressure related changes in the extra-thoracic arterial circulatory system 有权
    用于监测胸外动脉循环系统压力相关变化的装置和方法

    公开(公告)号：US07740591B1

    公开(公告)日：2010-06-22

    申请号：US10999186

    申请日：2004-11-29

    申请人： Eric W. Starr ,  James A. Scull ,  Eric Ayers ,  Bernie F. Hete ,  Donald S. Wilczek ,  Mark H. Sanders

    发明人： Eric W. Starr ,  James A. Scull ,  Eric Ayers ,  Bernie F. Hete ,  Donald S. Wilczek ,  Mark H. Sanders

    IPC分类号： A61B5/08

    CPC分类号： A61B5/725 ,  A61B5/0082 ,  A61B5/0205 ,  A61B5/021 ,  A61B5/02416 ,  A61B5/02427 ,  A61B5/0816 ,  A61B5/087 ,  A61B5/1455 ,  A61B5/7257

    摘要： A method and apparatus for monitoring changes in the intra-thoracic pressure of a patient due to the patient's respiratory activity or volumetric changes in the extra-thoracic arterial circulatory system due to cardiac function based on the changes in pressure in the patient's extra-thoracic arterial circulatory system as measured by a plethysmography sensor, such as an photoplethysmograph. A frequency spectrum is generated for the plethysmograph signal and the frequencies of interest is isolated from the frequency spectrum by setting appropriate cutoff frequencies for the frequency spectrum. This isolated frequency is used to filter the plethysmograph signal to provide a signal indicative of the patient's respiratory activity or cardiac function. For corrections for breathing frequency roll-off and deviations of the I:E ratio from 1:1.

    摘要翻译： 一种用于监测患者由于心脏功能引起的呼吸活动或胸外动脉循环系统体积变化引起的胸内压变化的方法和装置，其基于患者胸外动脉压力的变化 通过体积描记器传感器测量的循环系统，例如光电容积描记器。 为体积描记器信号产生频谱，通过为频谱设定适当的截止频率，将感兴趣的频率与频谱隔离。 该隔离频率用于过滤体积描记器信号以提供指示患者的呼吸活动或心脏功能的信号。 对于呼吸频率滚降和I：E比值与1：1的偏差的校正。