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Endothelial cell function screening and diagnosing apparatus

An endothelial cell, diagnostic instrument technology, applied in instruments, special data processing applications, electrical digital data processing, etc., can solve problems such as low signal-to-noise ratio, and achieve low price, short blocking time, and good reproduction.

Inactive Publication Date: 2012-07-11
成怀畅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the information collection needs to be pressurized, the signal-to-noise ratio is low, and the brachial artery occlusion time is more than 5 minutes

Method used

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  • Endothelial cell function screening and diagnosing apparatus
  • Endothelial cell function screening and diagnosing apparatus
  • Endothelial cell function screening and diagnosing apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1, the general hardware block of the present invention.

[0036] figure 1 It is an overall hardware block diagram of the present invention. 1 in the figure is the brachial artery pressurized cuff, and 4 in the picture is the medical silicone rubber tube, connecting the pressurized cuff 1 and Figure 4 The pressurized interface 27 in, Figure 4 The pressure interface 27 in is also connected to the figure 1 7 pressure sensor and air pump and electromagnetic deflation valve.

[0037] figure 1 Middle 2 and 3 are respectively left and right hand peripheral blood volume pulse wave sensors, which are connected to the figure 1 The pressure measurement and control and sensor drive circuit 7 in the pressure measurement and control and sensor drive circuit 7 are connected to the figure 1 The drive interface 13-2 of the embedded system motherboard (hereinafter referred to as the motherboard) 13 in the embedded system.

[0038] figure 1 Middle 10 is buttons, inclu...

Embodiment 2

[0043] Embodiment 2, the motherboard 13 and its interface of the present invention.

[0044] figure 2 It is the main board and its interface block diagram of the present invention. After the motherboard is implanted into the operating system, each interface is defined as figure 2 13-1 is the liquid crystal screen LCD drive interface; 13-2 is the pressure measurement and control and sensor drive circuit interface; 13-3 is the touch screen communication USB interface; 13-4 is the button communication interface; 13-5 is the printer driver interface. Another 13-6 is a power input interface. The motherboard SD card expansion slot is used to store patient files and necessary supplementary programs and backup programs of the machine.

Embodiment 3

[0045] Embodiment 3, the pressure detection circuit of the present invention.

[0046] image 3 is the pressure detection circuit of the present invention, is figure 1 The main circuit of pressure measurement and control and sensor drive circuit 7 in the pressure measurement and control. image 3 The pressure sensor MPS-3117 is a single-ended constant voltage power supply, double-ended output, the middle point voltage is 2.5V, the measurement amplifier circuit uses four operational amplifiers LM324, and the pressure signal is output from ADCO to figure 1 The pressure measurement and control and sensor drive circuit interface 13-2 of the main board 13 in it.

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Abstract

The invention relates to an endothelial cell function screening and diagnosing apparatus, which is equipment for screening and diagnosing endothelial cell functions and belongs to a medical instrument. The endothelial cell function screening and diagnosing apparatus comprises a peripheral circulation blood volume pulse wave digitalized detector, an automatic brachial artery pressurizing device, an embedded system with an expanded diagnosis function, an arithmetic module, a touch screen, a printing and expanding port and the like. The total endothelial cell function screening and diagnosing apparatus is a portable floor-mounted machine, and realizes spectrum analysis of peripheral circulation blood volume pulse waves under a flow-mediated condition, and a result of the spectrum analysis is excellently relevant to the endothelial cell functions. The endothelial cell function screening and diagnosing apparatus has the advantages that brachial artery blockage time is short, screening and diagnosing are simple, convenient and fast, a total process of recovering to a normal state from vasodilation caused by the flow-mediated condition can be observed, and the endothelial cell function screening and diagnosing apparatus is fine in reproduction, high in precision, low in cost and easy in popularization, and has the expanded diagnosis function.

Description

technical field [0001] medical instruments Background technique [0002] The current main equipment and methods for screening and diagnosis of vascular endothelial function are roughly divided into two categories: traumatic and noninvasive. [0003] The typical invasive diagnostic method is angiography, which is currently the most accurate method. However, hospitalization is required, the cost is high, there are risks, it is not convenient for random detection, and it is difficult to be used for early screening. [0004] A typical non-invasive screening and diagnostic method is high-precision ultrasound measurement of brachial artery FMD, which is the most commonly used non-invasive method for evaluating endothelial function, and its test results are currently considered the gold standard for evaluating endothelial function. The disadvantage is that well-trained operators are required, and the results will be affected by the pressurized cuff, cut surface, and pressure of t...

Claims

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Application Information

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IPC IPC(8): A61B5/02G06F19/00
Inventor 成怀畅朱澄杨萍李晴宇司道远李冰成宗辉成宗强
Owner 成怀畅
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