Physiological parameter measurement mechanism

A technology for measuring devices and physiological parameters, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as damage, discomfort of the measured object, and influence of vascular tension, to achieve accurate continuous measurement and improve accuracy Effect

Inactive Publication Date: 2008-12-24
THE CHINESE UNIVERSITY OF HONG KONG
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Problems solved by technology

However, using this measurement method has the following disadvantages: First, the cuff will cause discomfort to the measured subject
If the cuff is used frequently, the tissue and blood vessels under the cuff may be damaged due to frequent compression; second, because the cuff takes a certain amoun...

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Embodiment Construction

[0039] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] One of the core ideas of the embodiments of the present invention is to propose a synchronous continuous calibration mechanism based on the blood pressure estimation rule of the pulse wave characteristic value (for example, the pulse wave transit time), and an automatic calibration mechanism during the measurement process, so as to achieve more accurate Continuous measurement of arterial blood pressure and rate of change of blood pressure, and at the same time realize the measurement of other physiological parameters that fully and accurately reflect the function of the cardiovascular system.

[0041] refer to figure 1 , which shows a structural block diagram of an embodiment of a physiological parameter measuring device of...

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Abstract

The present invention discloses a physical parameter measuring device. The present invention comprises a first judging module, the first judging module is used to judge whether the changes of the pulse wave characteristic value are in line with the set conditions, if yes, a prediction module is triggered to calculate the blood pressure prediction value, and if no, a blood pressure value measuring module is triggered to regain the reference blood pressure value; a second judging module, the second judging module is used to judge whether the regained reference blood pressure value is within the prediction range, if yes, the prediction module is triggered to calculate the blood pressure prediction value, and if no, a generating module is triggered to regenerate the blood pressure prediction rules. The present invention can make continuous synchronous measurement of the physical parameters which reflect the function of the cardiovascular system and adopts a continuous synchronous calibrating mechanism particularly for blood pressure measurement, thus not only reducing the impact of the changes of other physical parameters on the relationship between the pulse wave characteristic value and the blood pressure, but also automatically starting the measurement of the reference blood pressure value in the continuous measuring process so as to ensure more accurate continuous measurement.

Description

technical field [0001] The invention relates to a physiological parameter measuring device, in particular to a physiological parameter measuring device which can be used for continuous measurement. Background technique [0002] The monitoring of physiological parameters, especially the daily monitoring of key physiological parameters reflecting the function of the cardiovascular system, can enable people to early detect cardiovascular diseases that may lead to serious consequences. Physiological parameters that reflect the function of the cardiovascular system usually include arterial blood pressure, rate of change of arterial blood pressure, heart rate, rate of change of heart rate, respiratory rate, rate of change of respiratory rate, and blood oxygen saturation. In the prior art, the monitoring of physiological parameters such as heart rate, respiratory rate and blood oxygen saturation has achieved continuous and non-destructive measurement, while the measurement of blood...

Claims

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Application Information

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IPC IPC(8): A61B5/02G06F19/00
Inventor 张元亭滕晓菲
Owner THE CHINESE UNIVERSITY OF HONG KONG
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