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Method and apparatus for detecting blood dynamics of brain blood vessel

A technology of hemodynamics and detection methods, applied in the field of related instruments, can solve problems such as the model is too simple, the concept of dynamic impedance is vague, and the analyzer is not particularly suitable, and achieve the effect of stable performance, good reliability, and strong anti-interference ability

Inactive Publication Date: 2005-01-05
无锡贝尔森影像技术有限公司
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Problems solved by technology

Existing technologies and methods fail to respond to the physical properties of blood vessels, hemodynamic state and hemorheological characteristics, making it difficult to measure the direct results of vascular damage such as atherosclerosis and to diagnose or diagnose diseases such as stroke. Pre-diagnosis
[0007] Therefore, when screening high-risk groups for stroke, in addition to detecting the hemodynamic state, the physical state should also be measured. The existing cerebrovascular hemodynamic analyzer is not particularly suitable.
In addition, they also have some defects, such as the model is too simple, the measurement accuracy is related to the probe angle, the blood vessel diameter cannot be precisely measured, the concept of dynamic impedance is vague, and the risk of stroke cannot be directly evaluated, etc.

Method used

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  • Method and apparatus for detecting blood dynamics of brain blood vessel
  • Method and apparatus for detecting blood dynamics of brain blood vessel
  • Method and apparatus for detecting blood dynamics of brain blood vessel

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Embodiment Construction

[0066] The whole system device includes B-mode ultrasound for measuring blood vessel diameter and blood wall thickness; DOPPLER speed measuring parts; pressure sensor parts; computer interface: computer host; printer, etc., such as Figure 1-3 Shown:

[0067] Low-pass filtering-wall filtering and PRF filtering-sample and hold-spectral analysis, using the method of the present invention to determine the physical properties of the carotid artery:

[0068] 1.1 IMT and plaque Ultrasonic examination of vascular IMT is the best way to detect early arteriosclerosis. Ultrasonography was used to detect the common carotid artery in long-axis section, and the image was frozen at the end of diastole, and the intima-media thickness of the distal wall of the common carotid artery was measured at 1 cm distal to the enlarged part of the common carotid artery. If plaque can be seen at the entrance of the internal carotid artery, the shape and size of the plaque should be observed to indicate ...

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Abstract

A hemodynamic method and instrument for early diagnosis of cerebrovascular diseases features that the Doppler probe and ultrasonography B are used to detect the blood flowing speed, the ultrasonography B is used to detect the physical characteristics of blood vassel, the diameter and wall thickness of blood vessel are measured to obtain the flow of blood in the vessel, and a pressure probe is used to detect blood pressure.

Description

1. Technical field [0001] The invention relates to a method and an instrument for detecting cerebrovascular hemodynamics, in particular to a multi-parameter and more accurate method for detecting cerebrovascular hemodynamics for judging diseases and related instruments. 2. Background technology [0002] Cerebral atherosclerosis, ischemic cerebral infarction, and cerebral hemorrhage are common and frequently-occurring diseases of the elderly, and they have become the number one killer of the elderly. With the improvement of people's living standards in our country, the changes in living habits and diet structure have caused the incidence of cardiovascular and cerebrovascular diseases to become more and more serious. —Once a stroke occurs, the severe one will die, and the light one will be disabled. According to my country's epidemiological investigation and research, the number of existing strokes in my country reaches as many as 3 million, and about 1 million new small wind...

Claims

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Application Information

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IPC IPC(8): A61B5/021A61B8/00
Inventor 马卫东邹年军张文军戴建峰顾爱远
Owner 无锡贝尔森影像技术有限公司
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