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Blood pressure calculation method and blood pressure measuring device

A blood pressure measurement device and technology of calculation method, which can be applied in the directions of diagnostic recording/measurement, blood vessel evaluation, medical science, etc., and can solve problems such as affecting the accuracy of measurement

Active Publication Date: 2019-11-22
BEIJING M&B ELECTRONIC INSTR CO LTD
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Problems solved by technology

When the pulse wave is an atypical pulse wave, the above two methods will affect the measurement accuracy

Method used

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  • Blood pressure calculation method and blood pressure measuring device
  • Blood pressure calculation method and blood pressure measuring device
  • Blood pressure calculation method and blood pressure measuring device

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Embodiment Construction

[0082] see Figure 1-20 , the present invention proposes a continuous (or discontinuous) simple blood pressure calculation method and a corresponding device. On the basis of photoelectric tracing, in combination with other pulse wave characteristic parameters and pulse wave transit time, a mathematical model is established to improve continuous blood pressure. Accuracy of blood pressure measurement. At the same time, while not excluding the existing pulse wave characteristic parameters, a new pulse wave characteristic parameter is proposed to better reflect the abnormal conditions and factors in the corresponding situation.

[0083] The blood pressure measuring device (or claiming system) that the present invention relates to is as figure 1 As shown, it mainly includes three modules, sensor module 1, signal processing module 2 and display module 3.

[0084] The sensor module mainly acquires pulse signals (PPG signals, photoplethysmography signals) and electrocardiographic si...

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Abstract

The invention relates to a blood pressure calculation method and a blood pressure measuring device. The method includes the following steps: obtaining synchronously collected pulse wave signals and electrocardiosignals, extracting pulse wave characteristic parameters based on the pulse wave signals, extracting pulse wave transit time based on the electrocardiosignals and the pulse wave signals, and calculating blood pressure based on a linear model including the pulse wave transit time and the several pulse wave characteristic parameters. The device includes a sensor module, a signal processing module and a display module. A data processor in the signal processing module adopts the method of the invention for data processing and calculation to obtain blood pressure data. By taking variousfactors into consideration, the accuracy of blood pressure measurement and continuous blood pressure monitoring can be improved.

Description

technical field [0001] The invention relates to a blood pressure calculation method and a corresponding blood pressure measurement device, belonging to the technical field of medical devices. Background technique [0002] Hypertension is the most common cardiovascular disease in the world, often causing complications in the heart, brain, kidney and other organs. The blood pressure devices used in hospitals and homes are mainly based on the Korotkoff sound method or the oscillometric method. Although the blood pressure can be measured more accurately, the cuff needs to be inflated and deflated, which will cause damage to the measured parts such as the arm of the subject. Stress brings discomfort, and at the same time, only the blood pressure value at a certain moment can be measured, and it is impossible to continuously monitor the blood pressure in special cases such as arrhythmia. Therefore, continuous blood pressure measurement has a wider application prospect, and can de...

Claims

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Application Information

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IPC IPC(8): A61B5/021A61B5/0402
CPCA61B5/02108A61B5/02141A61B5/6826A61B5/6833A61B5/318
Inventor 刘忠英丁兆彩李亮亮杨世胜
Owner BEIJING M&B ELECTRONIC INSTR CO LTD
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