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Endothelial cell function diagnosing apparatus

A technology of vascular endothelium and detection system, applied in the direction of catheters, etc., can solve the problems of high price, low precision, and poor reproducibility of equipment

Inactive Publication Date: 2010-09-29
苗铁军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ultrasonic diagnosis of vascular endothelial cell function equipment, although it plays a very important role in the diagnosis of coronary heart disease, the reproducibility of the equipment is poor, the accuracy is low (less than 71%), it must be operated by specialized personnel, and the price is high (such as high resolution Ultrasound system vascular endothelial function diagnostic instrument, the price is as high as 100 million yen, about more than 6 million RMB; UNEX-EFsystem diagnostic instrument, the price is 8.6 million yen / unit, about 550,000 RMB)

Method used

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  • Endothelial cell function diagnosing apparatus
  • Endothelial cell function diagnosing apparatus
  • Endothelial cell function diagnosing apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Example 1, the overall structure of the endothelial cell function diagnostic instrument of the present invention.

[0041] figure 1 It is the appearance of the present invention. The finger clip in the figure is an accessory device of the present invention, that is, the peripheral circulation detection system (another patent). Transmitting and receiving device, information processing circuit, multi-function single-chip microcomputer, implement man-machine connection through cables.

[0042] The air pressure cuff in the figure is the terminal equipment of the automatic control pressurization system of the present invention, which is the same as the common air bag for measuring blood pressure. , Program-controlled circuit, the system communicates with the host to automatically complete the test process.

[0043] The side interfaces in the figure include the external memory interface (SD card slot), external power supply interface, and external printer interface provide...

Embodiment 2

[0047] Embodiment 2, the principle block diagram of the present invention.

[0048] The instrument takes the high-frequency single-chip microcomputer as the core, and connects random access memory and read-only memory through the programmable I / O port to form an embedded system; and uses the I / O port to control other functional modules.

[0049] Through the external air pressure control circuit module, the cuff is pressurized, decompressed and the air pressure value is obtained;

[0050] Obtain operator instructions through an external keyboard;

[0051] Connect an external printer through the USB port to output test results;

[0052] Through the display screen and peripheral circuits, a graphical interface is realized;

[0053] Through the power circuit, control the charge and discharge of the internal battery and obtain corresponding information;

[0054] Control the standardized storage and reading of test data through the SD card peripheral circuit;

[0055] Through th...

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Abstract

The invention relates to an apparatus for diagnosing the function of endothelial cells of the blood vessels, belonging to the medical electronic apparatus. The apparatus for diagnosing the function of endothelial cells of the blood vessels comprises a peripheral circulation detection system, an automatically controlled pressurizing system, a man-apparatus interface, an embedded hardware circuit, a software algorithm module and the like which can be assembled together to form the vertical apparatus. The apparatus is used for testing the function of endothelial cells of the vessel by observing the fluctuation of the blood vessels and the blood flow of the fingertips, applying compression pressure to the blood vessels of the fingertips, observing the change of the functions of the peripheral tension which is generated after the additional compression pressure is released, obtaining the complex change of the blood flow waveforms and the specific capacity, and describing the change of the blood vessels expansion which is generated after the additional compression pressure is released according to the change of the chaotic attractors with phase spaces, wherein the chaotic attractors with phase spaces can be used for deriving the intrinsic characteristic ratio so as to obtain the change rate of an intrinsic axis for contrasting the scales of the chaotic attractors in the phase spaces and the change rate of various chaotic invariants. The % FMD can be obtained according to the change rate of the intrinsic axis and can be well combined with the function of endothelial cells of the blood vessels so as to assess and diagnose the function of the endothelial cells of the blood vessels.

Description

[0001] Technical Field; Medical Electronic Devices Background technique: [0002] The current equipment for diagnosing vascular endothelial function includes: intravascular ultrasound detector, non-invasive brachial artery high-resolution ultrasound display and imaging equipment. Ultrasonic diagnosis of vascular endothelial cell function equipment, although it plays a very important role in the diagnosis of coronary heart disease, the reproducibility of the equipment is poor, the accuracy is low (less than 71%), it must be operated by specialized personnel, and the price is high (such as high resolution Ultrasound system vascular endothelial function diagnostic instrument, the price is as high as 100 million yen, about more than 6 million RMB; UNEX-EFsystem diagnostic instrument, the price is 8.6 million yen / unit, about 550,000 RMB). Invention content: [0003] The endothelial cell function diagnostic instrument includes: peripheral circulation detection system, automatic co...

Claims

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Application Information

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IPC IPC(8): A61B5/02
Inventor 苗铁军成怀畅唐元广
Owner 苗铁军
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