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System for measuring conduction time of pulse waves between cerebral arteries and cerebral veins

A technology of conduction time and measurement system, applied in blood flow measurement, catheter and other directions, can solve the problems of inability to meet clinical needs, high operational risk, high price, etc., and achieve accurate and reliable measurement results, simple measurement process, and few influencing factors. Effect

Active Publication Date: 2012-07-25
THE SECOND AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

This method is an examination of small arterial lesions, but it is invasive and has the disadvantages of high operational risk and difficulty in widespread implementation
[0003] Since intracranial arteriole lesions are one of the main causes of cerebrovascular diseases, existing methods are either invasive, risky, expensive, or fail to directly understand the arteriosclerosis, and cannot meet clinical needs

Method used

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  • System for measuring conduction time of pulse waves between cerebral arteries and cerebral veins
  • System for measuring conduction time of pulse waves between cerebral arteries and cerebral veins
  • System for measuring conduction time of pulse waves between cerebral arteries and cerebral veins

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specific Embodiment 1

[0039] Figure 1-Figure 4 It constitutes the specific embodiment 1 of the present invention.

[0040] Reference figure 1 , The measurement system of this embodiment includes: a signal acquisition device for synchronously sampling the blood flow signals of the ipsilateral intracranial aorta and intracranial deep veins, and converting the blood flow signals into corresponding digital signals; a signal processing device, To process the synchronously acquired cerebral blood flow signals to obtain the time difference between the signals; a display device for displaying the blood flow signal parameters and the time difference parameters between the signals; the signal acquisition device and the signal processing device are connected through a communication interface module, The output terminal of the signal processing device is connected with the display device.

[0041] Reference figure 2 with image 3 The signal acquisition device of this embodiment includes a control module, an A / D ...

specific Embodiment

[0057] The main feature of other specific embodiments of the present invention is that the A / D converter may be a multi-chip A / D converter. The rest is the same as in Example 1.

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Abstract

The invention relates to a system for measuring the conduction time of pulse waves between cerebral arteries and cerebral veins. The system comprises a signal acquisition device, a signal processing device and a display device, wherein the signal acquisition device is connected with the signal processing device through a communication interface module; and the output end of the signal processing device is connected with the display device. The cerebral blood flow signal acquisition method comprises the following steps: 1) arranging a fixed probe device with two cerebral blood flow signal acquisition devices; 2) synchronously acquiring cerebral blood flow signals; and 3) exchanging the positions of the two cerebral blood flow signal acquisition devices. The medicinal uses of the system are as follows: 1) synchronously acquiring the cerebral blood flow signals of ipsilateral encephalic large arteries (aorta) and encephalic deep veins of a person to be tested at a resting state; and 2) measuring the time difference of the two cerebral blood flow signals. Through the system provided by the invention, noninvasive detection is realized on the conduction time of pulse waves between the cerebral arteries and the cerebral veins; and the clinical practicality is strong, the stiffness of cerebral arteriolae can be accurately and directly reflected, and the risk of apoplexy is estimated, thus being beneficial for early discovering and preventing cerebral arteriosclerosis of patients.

Description

Technical field [0001] The invention relates to a pulse wave transit time measurement system between cerebral arteries and veins, which is suitable for cerebral blood flow signal acquisition and clinical medical treatment. It belongs to the field of medical equipment. Background technique [0002] In the pathogenesis of cerebrovascular diseases, arteriolar sclerosis is one of the important mechanisms. It is often clinically manifested as lacunar infarction, leukoaraiosis, cerebral microhemorrhage, etc., which cause serious damage to the patient's neurological function. At present, the measurement methods of cerebral arteriosclerosis include the following three methods: (1) Contrast agent injection to observe the passage time of the contrast agent between cerebral arteries and veins. This method uses the method of injecting a contrast agent to understand the time for the contrast agent to pass through the cerebral arteries and veins. If there is small artery disease, the time for...

Claims

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Application Information

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IPC IPC(8): A61B5/02A61B5/026
Inventor 高庆春黄楚明周艳霞傅贤李现亮张波梁兵沈岩松何小诗曾进胜黄如训
Owner THE SECOND AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV
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