Ear vibration measurement method and device

A sample arm and reference arm technology, applied in diagnostic recording/measurement, medical science, sensors, etc., can solve problems such as indirect detection of middle ear function

Inactive Publication Date: 2017-01-04
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the embodiments of the present invention is to propose a method and device for measuring ear vibration, aimi

Method used

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  • Ear vibration measurement method and device
  • Ear vibration measurement method and device
  • Ear vibration measurement method and device

Examples

Experimental program
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Embodiment 1

[0055] refer to figure 1 , figure 1 It is a schematic flowchart of the first embodiment of the method for measuring ear vibration according to the embodiment of the present invention.

no. 1 example

[0056] In a first embodiment, the method of measuring ear vibrations comprises:

[0057] Step 101, emitting near-infrared light through a superluminescent light-emitting diode SLD, and transmitting the near-infrared light to a sample arm and a reference arm through an optical circulator OC;

[0058]Step 102, the light of the reference arm is focused on the reference mirror through a pair of lenses, the light of the sample arm is input into the hand-held probe through the optical fiber and scanned to the tympanic membrane through the scanning lens and relay mirror in the probe and the stapes head below the tympanic membrane;

[0059] Step 103, the light returned from the sample arm and the reference arm is transmitted to the OC through a fiber optic coupler;

[0060] Preferably, the light returned from the sample arm and the reference arm is transmitted to the OC through a fiber optic coupler, comprising:

[0061] The light returned from the sample arm and the reference arm g...

Embodiment 2

[0068] refer to figure 2 , figure 2 It is a schematic flowchart of the second embodiment of the method for measuring ear vibration according to the embodiment of the present invention.

[0069] exist figure 2 In, the method for measuring ear vibration comprises:

[0070] Step 201, emitting near-infrared light through a superluminescent light-emitting diode SLD, and transmitting the near-infrared light to a sample arm and a reference arm through an optical circulator OC;

[0071] Step 202, the light of the reference arm is focused on the reference mirror through a pair of lenses, the light of the sample arm is input into the hand-held probe through the optical fiber and scanned to the tympanic membrane through the scanning lens and relay mirror in the probe and the stapes head below the tympanic membrane;

[0072] Step 203, the light returned from the sample arm and the reference arm is transmitted to the OC through a fiber optic coupler;

[0073] Step 204, performing F...

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Abstract

An embodiment of the invention discloses an ear vibration measurement method and device. An SLD (superluminescent diode) emits near infrared light, the near infrared light is transmitted to a sample arm and a reference arm through an OC (optical circulator); light of the reference arm is focused on a reference mirror through a pair of lenses, light of the sample arm is input into a handheld probe through an optical fiber and is scanned to a tympanic membrane and a stapes head below the tympanic membrane through a scan lens and a relay lens in the probe; light returning from the sample arm and the reference arm is transmitted to the OC through an optical fiber coupler; projection is performed to a line-scan digital camera through a lens and grating scattering. By means of a low-coherence characteristic of a broadband light source and tissue penetrability of the near infrared light, the high-resolution tomography technology for internal microstructure of biological tissue is developed to vibration measurement, and the current situation that the department of otology can only perform indirect detection on middle ear functions clinically is changed.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of vibration measurement, and in particular to a method and device for measuring ear vibration. Background technique [0002] For the diagnosis of hearing impairment, the existing diagnostic methods are mainly indirect measurements in the external auditory canal, which cannot distinguish the location of the lesion. The vibration of the ossicular chain of the middle ear can only be detected with a laser vibrometer after the temporal bone is opened during surgery. It has a great impact on determining the appropriate middle ear reconstruction protocol. Therefore, there is an urgent clinical need for a method that can non-destructively detect the vibration of the ossicular chain through the tympanic membrane. Contents of the invention [0003] The purpose of the embodiments of the present invention is to provide a method and device for measuring ear vibration, aiming at solving the probl...

Claims

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Application Information

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IPC IPC(8): A61B5/12A61B5/11A61B5/00
CPCA61B5/125A61B5/11A61B5/7257
Inventor 陈放怡汪长泉孙鹏万莎
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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