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    • 1. 发明授权
    • Apparatus for the invasive use of oximeter probes
    • 用于侵入性使用血氧计探针的装置
    • US5417207A
    • 1995-05-23
    • US163052
    • 1993-12-06
    • Robert L. YoungStephen H. Gorski
    • Robert L. YoungStephen H. Gorski
    • A61B5/00A61B5/042A61B7/02
    • A61B5/6855A61B5/0421A61B5/1459A61B5/42A61B5/6852A61B5/6853A61B5/6859A61B5/6885A61B7/023A61M2205/3368
    • A reflectance oximeter probe is suitably disposed at a distal end of an elongated, substantially flat, semi-rigid chassis configured for insertion into an anatomical canal, for example in the esophagus, rectum or vaginal cavity of a human patient. The reflectance probe may also be suitably employed in many veterinary applications. An electrical connector extends from a proximal end of the chassis and terminates at a plug configured for mechanical and electrical connection to a pulse oximeter box. The reflectance probe includes first and second LED's mounted to an emitter assembly and a detector assembly spaced apart from and mounted substantially coplanar with respect to the emitter assembly. The reflectance probe generates and transmits signals to the oximeter box, the signals indicative of the dynamic oxygen saturation level of the blood perfused mucus membrane tissue.
    • 反射式血氧计探针适当地设置在细长的,基本上平坦的半刚性底座的远端,该底座被配置为插入解剖管道,例如在患者的食道,直肠或阴道腔中。 反射探针也可适用于许多兽医应用。 电连接器从底盘的近端延伸并且终止于被配置用于机械和电连接到脉冲血氧计盒的插头。 反射探测器包括安装到发射器组件的第一和第二LED以及与发射器组件间隔开并且基本共面安装的探测器组件。 反射探针产生和传输信号到血氧计盒,该信号指示血液灌注的粘液膜组织的动态氧饱和度水平。
    • 4. 发明授权
    • Automated seismic detection of myocardial ischemia and related
measurement of cardiac output parameters
    • 自动地震检测心肌缺血和相关测量心输出量参数
    • US6024705A
    • 2000-02-15
    • US188069
    • 1998-11-06
    • Kenneth J. SchlagerBruce H. BoehlenStephen H. Gorski
    • Kenneth J. SchlagerBruce H. BoehlenStephen H. Gorski
    • A61B5/11G06F17/00A61B5/103
    • A61B5/1102A61B5/7264A61B5/7203
    • A computer-based instrument to produce a "number" for heart performance parameters and a positive-negative diagnosis of myocardial ischemia. A seismic sensor captures a substantial series of SCG waveforms within a short time frame. Digitized waveforms are created and processed to create signals in the range of 0 to 50 hertz and 0 to 100 hertz. The waveform are processed in the time domain. The 0 to 100 hertz signal is processed to determine the heart rate which is pulse adjusted and interpolated. The SCG waveforms are processed to synchronize the start point of each waveform. The 0 to 50 hertz signal is then processed for signal segmentation to produce waveform signals, each a heart beat or period in length. The segmented signals are then processed to produce linear prediction analysis (LPA) coefficients. The coefficients establish a numerical model-based representation of the waveform. The LPA coefficients in combination contain all of the information resident in the original SCG waveform. For myocardial ischemia analysis, proper LPA coefficients are used in a pattern recognition algorithm to determine a classification of the patent's waveforms as either normal or ischemic. The Bayesian decision classifier provides an analytical framework and program for classification of SCG waveforms as represented by the LPA coefficients for myocardial ischemia, or other cardiac disease conditions represented in the SCG waveform, and produces a direct negative or positive output. For various cardiac performance parameters, estimation rather than a classification algorithm is used such as a K-Nearest Neighbor pattern recognition technology, and multiple regression estimators and produces estimation for different parameters.
    • 一种基于计算机的仪器,用于产生心脏功能参数的“数量”和心肌缺血的正阴性诊断。 地震传感器在短时间内捕获大量SCG波形。 创建和处理数字化波形,以产生0至50赫兹和0至100赫兹范围内的信号。 在时域中处理波形。 处理0至100赫兹信号以确定被脉冲调节和插值的心率。 处理SCG波形以同​​步每个波形的起始点。 然后处理0至50赫兹信号用于信号分段以产生波形信号,每个信号的心跳或长度的周期。 然后处理分段信号以产生线性预测分析(LPA)系数。 系数建立了基于数字模型的波形表示。 LPA系数组合包含驻留在原始SCG波形中的所有信息。 对于心肌缺血分析,在模式识别算法中使用适当的LPA系数来确定专利波形的分类为正常或缺血。 贝叶斯决策分类器提供了用于分类SCG波形的分析框架和程序,由用于心肌缺血的LPA系数或SCG波形中表示的其他心脏疾病状况表示,并产生直接的负或正输出。 对于各种心脏性能参数,使用估计而不是诸如K最近邻模式识别技术的分类算法,以及多个回归估计器,并产生不同参数的估计。