Comprehensive detection platform for auditory indexes of auditory system transmission access

A technology of transmission path and comprehensive detection, applied in the field of medical devices, can solve the problems of inability to detect and reflect the function of the peripheral auditory system, etc.

Inactive Publication Date: 2010-04-07
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

OAE is only used to detect the function of the auditory peripheral system, and it cannot detect the retrocochlear part
ABR measures the function

Method used

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  • Comprehensive detection platform for auditory indexes of auditory system transmission access
  • Comprehensive detection platform for auditory indexes of auditory system transmission access
  • Comprehensive detection platform for auditory indexes of auditory system transmission access

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Embodiment Construction

[0020] The object of the present invention is to provide a hardware device capable of simultaneously collecting auditory peripheral OAE signals and auditory central AEP signals under the same stimulating sound, and analyze the signals through software algorithms to obtain auditory system path conditions and comprehensive, objective, Nondestructive, quantitative, early diagnostic information for auditory system lesions. The connection relationship of each part is as figure 1 shown.

[0021] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] Such as figure 1 : The auditory system transmission channel comprehensive index detection platform hardware includes the following parts: A / D and D / A acquisition cards connected with the input and output of the computer; the body surface disc electrodes, probes, and the first bioelectric preamplifier CP511 The transmission path of the brainstem auditory e...

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Abstract

The invention discloses a comprehensive detection platform for auditory indexes of an auditory system transmission access, which belongs to the technical field of auditory medical apparatus and instruments and is characterized by comprising an A/D acquisition card, a brainstem AEP signal acquisition transmission access, an OAE signal acquisition transmission access and a stimulated sound generating circuit, wherein the A/D acquisition card is connected with an input end and a digital signal output end of a computer; the brainstem AEP signal acquisition transmission access consists of a body surface disc electrode, a probe and a first bioelectrical preamplifier which are orderly connected in serial; the OAE signal acquisition transmission access consists of a micro radio and a second preamplifier which are orderly connected in serial; and the stimulated sound generating circuit consists of a D/A acquisition card and a micro loudspeaker which are orderly connected in serial. The comprehensive detection platform has the advantage of comprehensively detecting two auditory indexes at the same time.

Description

Technical field: [0001] The present invention is a comprehensive hearing index detection platform for the transmission path of the auditory system, and particularly relates to a synchronous, objective and non-destructive detection of otoacoustic emission OAE signals and auditory evoked potential AEP signals corresponding to the auditory periphery and auditory center of the auditory transmission path. , and a comprehensive detection platform for accurate collection and analysis, belonging to the technical field of medical devices. Background technique: [0002] Auditory propagation pathway refers to a series of anatomical structures related to hearing production. The part of the auditory system transmission pathway outside the central nervous system (brain) is called the auditory periphery, and the part inside the central nervous system is called the auditory center or central auditory system. The peripheral organs of the auditory system are composed of the outer ear, middle...

Claims

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Application Information

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IPC IPC(8): A61B5/12
Inventor 宫琴朱仁骏陈曦胡艳茹孙文生
Owner TSINGHUA UNIV
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