System and method for blood pressure monitoring
A blood pressure, first-time technology, applied in blood flow measurement, application, vascular evaluation, etc., can solve problems such as the inability to capture the cardiovascular system
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example 1
[0218] A system for measuring blood pressure may include a test device 1400 , a peripheral device 240 and a server 120 . Figure 14-A An exemplary test setup according to some embodiments of this embodiment is shown. The test device 1400 may include an information acquisition module 1410, an analysis module 220', a display module 1420 and a memory device 1470. According to this embodiment, the information obtaining module 1410 is adapted to obtain information, such as one or a combination of ECG signals, PPG signals and the like. The analysis module 220' is adapted to analyze the acquired information, or determine or estimate a physiological parameter (e.g., a physiological parameter of interest), or both. The display module 1420 is adapted to display at least some of the acquired information, one or a combination of physiological parameters and the like. The memory device 1470 is adapted to store one or a combination of detected or acquired signals, physiological param...
example 2
[0240] Referring again to Example 1, a system for measuring blood pressure is shown in Figure 14-A to Figure 14-C. SBP and DBP can be estimated by a calibration model based on the identified PTT and calibration data including PTTO, SBPO, DBPO, PTTV0 and HRV0. The coefficients of the calibration function may be determined by a calibration process. In some embodiments, a set of calibration data about the subject may be acquired and stored in a memory device or server 120 . A set of calibration data may include one or a combination of PTTO, SBPO, DBPO, PTTV0, HRV0 and the like. A set of calibration data can be obtained by a healthcare professional located in a hospital or doctor's office, by the subject himself or by a lay assistant. A set of calibration data can be acquired using a clinical device or a home device. A set of calibration data can be obtained based on a previous measurement using the system. One or more sets of calibration data may be used to determine the co...
example 3
[0243] Figure 15-A to Figure 15-D Some examples of raw data for two subjects (Subject 1 and Subject 2) measured under different conditions and fitted curves with different functions, different models, or both. Figure 15-A (a) shows the measured raw SBP-PTT data for Subject 1 (indicated by the diamonds connected by dashed lines), the data fitted with a cubic polynomial function (indicated by the solid curve). Figure 15-A (b) shows the measured raw DBP-PTT data for Subject 1 (indicated by the diamonds connected by dashed lines), the data fitted with a quartic polynomial function (indicated by the solid curve). Figure 15-B (a) shows the measured raw SBP-PTT data for Subject 2 (indicated by the diamonds connected by dashed lines), the data fitted with a polynomial function of degree seven (indicated by the solid curve). Figure 15-B (b) shows the measured raw DBP-PTT data for Subject 2 (indicated by the diamonds connected by dashed lines), the data fitted with an octagonal po...
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Abstract
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