Combined stimulation induced high-sensitivity transcranial Doppler blood flow detection system

A transcranial Doppler, blood flow detection technology, applied in blood flow measurement devices, organ motion/change detection, ultrasound/sonic/infrasonic Permian technology, etc. problems, to achieve the effect of high accuracy, small error rate, and high patient comfort

Active Publication Date: 2019-10-25
GUIZHOU PROVINCIAL PEOPLES HOSPITAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current detection method using relevant acupoints for information feedback is difficult to achieve data conversion, so it is difficult to put into practice

Method used

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  • Combined stimulation induced high-sensitivity transcranial Doppler blood flow detection system
  • Combined stimulation induced high-sensitivity transcranial Doppler blood flow detection system
  • Combined stimulation induced high-sensitivity transcranial Doppler blood flow detection system

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Embodiment Construction

[0030] Such as figure 1 As shown, a high-sensitivity transcranial Doppler blood flow detection system induced by combined stimulation includes an evoked potential detection module 1, a TCD detection module 2, a signal processing module 3, a data analysis module 4 and a display module 5,

[0031] Evoked potential detection module 1 includes:

[0032] The auditory evoked potential instrument 11 is used to generate auditory target / non-target stimulation sequence to stimulate the subject; wherein, the auditory target / non-target stimulation sequence is 1 kHz for non-target stimulation and 2 kHz for target stimulation, and the targets are randomly distributed in Among the non-target stimuli, the target stimuli accounted for 20% of the total number of stimuli, the stimulus intensity was 110dB, and the filter bandwidth was 50Hz. When external stimulation is given to the patient, the intracranial blood vessels and related tissues at relevant points will produce stress characteristics ...

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Abstract

The invention discloses a combined stimulation induced high-sensitivity transcranial Doppler blood flow detection system. The system comprises an evoked potential detection module, a TCD detection module, a signal processing module, a data analysis module and a display module, wherein the evoked potential detection module comprises an auditory evoked potential instrument, a quantum state photoelectric emission unit, a photoelectron detection component, an optical signal processing end and a capture detection unit; the TCD detection module comprises a probe, an ultrasonic transducer, an ultrasonic transceiver and an ultrasonic sensor; the signal processing module comprises a signal processing unit A and a signal processing unit B; the data analysis module comprises a data optimizing unit, adata fusion unit, a comprehensive analysis unit and a display module. The system has the advantages that under an auditory stimulation induction condition, transcranial Doppler is used to scan intracranial vessels, the scanning is combined with an optical signal feedback method of related acupoints to comprehensively evaluate the intracranial blood flow conditions of a patient, and a detection result which is high in precision and low in error rate can be obtained while high patient comfortableness is achieved.

Description

technical field [0001] The invention belongs to the technical field of blood flow detection, and in particular relates to a highly sensitive transcranial Doppler blood flow detection system induced by combined stimulation. Background technique [0002] After severe stenosis or occlusion of the internal carotid artery, collateral circulation compensation will be initiated, and the compensation ability of each collateral circulation is different. Vascular cognitive impairment (VCI) can be caused by internal carotid artery stenosis, and the degree of damage depends on the degree of stenosis and the opening of collateral circulation after stenosis. Transcranial Doppler ultrasound (TranscranialDoppler, TCD) has a unique role in the assessment of collateral circulation, and its sensitivity is greater than that of cervical B-ultrasound, computed tomography angiography (CT angiography, CTA) and magnetic resonance angiography (MR angiography, MRA ). At present, the research on vasc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08A61B8/06
CPCA61B8/0891A61B8/06A61B8/488A61B8/52
Inventor 方俐李玉琢何颖申志微刘姝
Owner GUIZHOU PROVINCIAL PEOPLES HOSPITAL
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