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    • 43. 发明申请
    • AUTOMATED PROCESS FOR ASSESSING CARDIAC FILLING PRESSURE NON-INVASIVELY
    • 自动化过程评估心脏灌注压力不引发
    • US20140155764A1
    • 2014-06-05
    • US14117079
    • 2012-05-14
    • Harry A. Silber
    • Harry A. Silber
    • A61B5/0205A61B5/087
    • A61B5/0205A61B5/02028A61B5/02116A61B5/03A61B5/08A61B5/0873A61B5/7221
    • An embodiment in accordance with the present invention provides an automated device and method for determining cardiac filling pressure non-invasively. The device includes a computer readable medium programmed to analyze a photoplethysmography signal having a pulse amplitude. The analysis is done to determine a point in time that the pulse amplitude of the photoplethysmography signal does not vary by a predetermined amount over a first predetermined time period. The method also includes displaying instructions for the user to prepare for and begin an expiratory effort. The expiratory effort of the user is compared to a predetermined goal range for expiratory effort, and an indicator of the user's expiratory effort relative to the predetermined goal range is displayed on the user interface.
    • 根据本发明的实施例提供一种用于非侵入地确定心脏充盈压的自动化装置和方法。 该装置包括被编程为分析具有脉冲幅度的光电容积描记信号的计算机可读介质。 进行分析以确定光电体积描记信号的脉冲幅度在第一预定时间段内不改变预定量的时间点。 该方法还包括显示用于用户准备并开始呼气努力的指令。 将用户的呼气努力与呼气努力的预定目标范围进行比较,并且在用户界面上显示用户相对于预定目标范围的呼气努力的指示符。
    • 49. 发明授权
    • Myocardial infarction and ischemia detection method and apparatus
    • 心肌梗死和缺血检测方法及装置
    • US5515859A
    • 1996-05-14
    • US111972
    • 1993-08-24
    • Frederick M. Paz
    • Frederick M. Paz
    • A61B5/083A61B5/087G01N21/35A61B5/00A61B5/097
    • A61B5/0873A61B5/083G01N21/3504
    • A device (10) for detecting a substance in a patient's expired breath (88) such as adenosine indicative of cardiovascular distress. The device (10) shines an infrared light (68) through a chamber (14) containing the breath (88) to a detector (26). The detector (26) measures the intensity of the light (68) at selected frequency corresponding to absorption bands of the substance. Multiple photodetectors (112, 114, 116, 118) at different absorption band frequencies increase the specificity of detection. A reference chamber (16) containing a reference gas and coupled to an infrared photodetector (118) may be used to provide a baseline reference for a quantitative analysis.
    • 一种用于检测患者呼气(88)中的物质(例如指示心血管危象的腺苷)的装置(10)。 装置(10)通过包含呼吸(88)的室(14)将红外光(68)照射到检测器(26)。 检测器(26)以对应于物质的吸收带的选定频率测量光(68)的强度。 在不同吸收带频率下的多个光电检测器(112,114,116,118)增加了检测的特异性。 可以使用包含参考气体并且耦合到红外光电检测器(118)的参考室(16)来提供用于定量分析的基线参考。