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    • 2. 发明申请
    • METHOD AND DEVICE FOR DETERMINING THRESHOLD VALUES FOR ENERGY METABOLISM
    • 用于确定能量代谢阈值的方法和装置
    • WO1996011630A1
    • 1996-04-25
    • PCT/FI1995000565
    • 1995-10-11
    • POLAR ELECTRO OYHEIKKILÄ, Ilkka
    • POLAR ELECTRO OY
    • A61B05/0205
    • A61B5/04282A61B5/0205A61B5/221A61B5/222
    • The invention relates to a method and a device for determining threshold values for a person's energy metabolism. According to the invention, a testee is subjected to a gradually increasing stress in order to obtain the threshold values for his energy metabolism. The pulse rate of the testee is measured during the performance, the pulse shape of an ECG signal caused by the pulse is analyzed in order to determine the timing point of the ECG signal corresponding to each pulsation and in order to determine the intervals between the timing points of successive ECG signals. The respiratory frequency of the testee is calculated on the basis of the variations in the intervals between the timing points of the ECG signals. The respiratory frequency of the testee is calculated as a function of the pulse rate during the performance, or the respiratory volume is estimated on the basis of the degree of the variation in the timing points of the ECG signals, and ventilation is calculated as a function of the pulse rate on the basis of the respiratory frequency calculated during the performance and the estimated respiratory volume. At least one threshold value (K1, K2) for the energy metabolism of the testee is determined on the basis of the respiratory frequency or the ventilation and the pulse rate.
    • 本发明涉及一种用于确定人的能量代谢的阈值的方法和装置。 根据本发明,受试者经受逐渐增加的压力以获得其能量代谢的阈值。 在执行期间测量被测者的脉搏率,分析由脉冲引起的ECG信号的脉冲形状,以便确定对应于每个脉动的ECG信号的定时点,并且为了确定定时 连续ECG信号点。 基于ECG信号的定时点之间的间隔的变化计算受试者的呼吸频率。 被测者的呼吸频率是在演奏过程中作为脉搏率的函数计算的,或者基于ECG信号的定时点的变化程度来估计呼吸音量,并且计算通气作为功能 基于在执行期间计算的呼吸频率和估计的呼吸量的脉率。 基于呼吸频率或通气量和脉率来确定被测者能量代谢的至少一个阈值(K1,K2)。
    • 3. 发明申请
    • A MONITOR WHICH ANALYSES PULS FREQUENCY BY PHOTOPLETHYSMOGRAPHIC MEASUREMENT AND A MEASURING METHOD THEREFOR
    • 分析仪通过光电子能谱测量分析频率的监测器及其测量方法
    • WO1991011956A1
    • 1991-08-22
    • PCT/SE1991000106
    • 1991-02-14
    • LINDBERG, Lars-GöranÖBERG, Åke
    • A61B05/0205
    • A61B5/02416A61B2562/17
    • A pulse-frequency analyzing monitor which is provided with an optical sensor and which is intended for measuring photoplethysmographically the blood circulation of a subject, such as a body part of a human being or an animal, includes a light source, preferably a light-emitting diode for infrared light, fibre optics, a detector unit for detecting the alternating voltage, or AC-component of a generated PPG-signal for the purpose of determining the heart frequency of the subject, an electronic amplifying unit and a presentation unit, for instance an oscilloscope of a display unit. The apparatus also includes means for separating from the detected PPG-signal a signal component which indicates the respiration frequency of the subject. The PPG-signal is coupled to a filter, preferably a digital filter, which enables limit frequencies and the degree of amplification to be set. The digital filter may be a component of a microprocessor which is able to eliminate disturbances, for instance disturbances emanating from 50 Hz stray light, in addition to separating signals concerning the heart and respiration frequency of the subjet. The invention also relates to a method of carrying out such photoplethysomographic measuring processes.
    • 一种脉冲频率分析监视器,其设置有光学传感器,其用于测量诸如人或动物的身体部位的受试者的血液循环的光学体积学图像,包括光源,优选发光 用于红外光的二极管,光纤,用于检测交流电压的检测器单元或产生的PPG信号的AC分量,用于确定对象的心脏频率,电子放大单元和呈现单元,例如 显示单元的示波器。 该装置还包括用于从检测到的PPG信号中分离出指示受试者的呼吸频率的信号分量的装置。 PPG信号耦合到滤波器,优选地是数字滤波器,其能够限制频率和放大的程度。 数字滤波器可以是微处理器的一个部件,除了分离关于子叶的心脏和呼吸频率的信号之外,能够消除干扰,例如从50Hz杂散光发出的干扰。 本发明还涉及一种进行这种光学血管造影测量过程的方法。