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Blood pressure measuring method

The technology of a blood pressure and measuring device, which is applied in the field of blood pressure volume measurement, can solve the problems that the plasma viscosity, whole blood viscosity and hematocrit cannot be measured by one machine, and achieve the effects of simple operation, improved measurement efficiency, and accurate measurement data

Active Publication Date: 2014-06-18
BEIJING PRECIL INSTR CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the patent can only measure plasma viscosity or whole blood viscosity
It is impossible to measure plasma viscosity, whole blood viscosity and hematocrit with one machine, so a new blood pressure volume measurement method needs to be proposed

Method used

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Embodiment 1

[0018] see figure 1 , figure 2 , the method for measuring blood pressure volume of the present invention uses a capillary fluid viscosity measuring device for adding samples, an automatic control circuit and a matching program based on a microprocessor device, and the steps of blood pressure volume measurement are:

[0019] a. After anticoagulation treatment, the venous blood sample to be measured is injected into a sample tube to generate anticoagulated whole blood, and the sample tube is labeled and processed, and the anticoagulated whole blood is centrifuged to completely separate and store red blood cells and plasma In said sample tube; in this embodiment, 4ml of venous blood sample is generally taken, and centrifuged into plasma and red blood cells. The centrifugation can be performed at 3000rpm for 30 minutes; the sample tube can be a BD blood rheological anticoagulant tube; in this embodiment, red blood cells are red blood cells in a liquid state, and plasma is liquid...

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Abstract

The invention relates to a blood pressure measuring method. The blood pressure measuring method comprises the steps of using a sample adding capillary fluid viscosity measuring device, an automatic control circuit based on a microprocessor and matching programs; injecting the processed to-be-measured blood sample into a sample pipe, and completely separating erythrocyte and plasma; starting the sample adding capillary fluid viscosity measuring device, and collecting first height position data in time when the bottom end of a sample adding probe contacts the liquid level of the plasma; starting an injection pump to extract the plasma at the constant speed, collecting pressure signals corresponding to the plasma viscosity in real time, and collecting second height position data in time when the bottom end of the sample adding probe contacts the liquid level of the erythrocyte; and calculating the blood pressure results of the venous blood sample by the microprocessor according to the first height position data and the second height position data.

Description

technical field [0001] The invention relates to a method for measuring blood pressure volume, which uses a capillary tube fluid viscosity measuring device, an automatic control circuit and a matching program based on a microprocessor device, and calculates the venous blood sample according to the first height position data and the second height position data Blood pressure results. Background technique [0002] Chinese patent 200520104155.6 discloses a fluid viscosity measuring device based on a capillary pipeline with a sample, which has a frame on which a sample needle mounting frame is fixed, and a capillary type sample needle is fixed on the sample needle mounting frame , the sampling needle communicates with a sampling pump through a sampling pipeline, a pressure sensor is arranged on the sampling needle body or the sampling pipeline, and the pressure sensor is connected to a resolution processor electronically through a data line connected, the solving processor is el...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N11/08
Inventor 陈生谢凡董成刚
Owner BEIJING PRECIL INSTR CO LTD
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