CN216385977U

CN216385977U - Acoustic immittance detection mechanism and head-mounted acoustic immittance detection device

Info

Publication number: CN216385977U
Application number: CN202122625572.7U
Authority: CN
Inventors: 李勇; 马志琪
Original assignee: Hangzhou First Peoples Hospital
Current assignee: Hangzhou First Peoples Hospital
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-26
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an acoustic immittance detection mechanism and a head-mounted acoustic immittance detection device, which comprise a probe, wherein a sealing earplug and four through holes are arranged on the probe, three of the through holes are respectively used for connecting an air pump, a tone generator and a microphone recorder, an endoscope is arranged on the other through hole, a camera and a light source are arranged on a detection head of the endoscope, and the camera is electrically connected with an external display device. The utility model can not only carry out acoustic immittance detection, but also observe the conditions in the auditory meatus through the endoscope, can effectively improve the diagnosis accuracy and the success rate of the operation, and has the obvious advantages of convenient operation, reliable work, high safety and the like.

Description

Acoustic immittance detection mechanism and head-mounted acoustic immittance detection device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an acoustic immittance detection mechanism and a head-mounted acoustic immittance detection device.

Background

The objective detection instrument produced aiming at the middle ear detection in the current market is mainly an acoustic immittance detector and is matched with a middle ear function analyzer for use. The existing acoustic immittance detector can realize impedance measurement at an entrance of an external ear, and transmits a measurement result to a middle ear function analyzer, so that the result is analyzed and output, an entrance of an ear canal is plugged by an earplug with a proper size during use, and then a probe is inserted into the ear canal through the earplug.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the acoustic immittance detection mechanism, which not only can carry out acoustic immittance detection, but also can observe the conditions in the auditory canal through an endoscope, can effectively improve the accuracy of diagnosis and the success rate of operations, and has the remarkable advantages of convenience in operation, reliability in work, high safety and the like.

The utility model adopts the following technical scheme:

the utility model provides an acoustic immittance detection mechanism, includes the probe, be equipped with sealed earplug and four through-holes on the probe, wherein three through-hole is used for connecting air pump, tone generator, microphone audio recorder respectively, is equipped with the endoscope on another through-hole, the detection head of endoscope is equipped with camera and light source, the camera is connected with external display device electricity.

Preferably, the endoscope detection head is made of transparent materials, and the light source is located inside the detection head.

Preferably, the camera is provided at an end of the detection head.

Preferably, the four through holes are uniformly arranged in a field shape.

The utility model provides a wear-type acoustic immittance detection device, includes the wear-type connecting band, and the one end of wear-type connecting band is equipped with the acoustic immittance detection mechanism, and the acoustic immittance detection mechanism includes the probe, be equipped with sealed earplug and four through-holes on the probe, wherein three through-hole is used for connecting air pump, tone generator, microphone recorder respectively, is equipped with the endoscope on another through-hole, the detection head of endoscope is equipped with camera and light source, the camera is connected with external display device electricity.

Preferably, the head-mounted connecting band comprises a connecting band body and telescopic bands arranged on two sides of the connecting band body.

Preferably, the camera is provided at an end of the detection head.

Preferably, the four through holes are uniformly arranged in a field shape.

Compared with the prior art, the utility model has the following advantages: the utility model provides a sound immittance detection mechanism which can not only perform sound immittance detection, but also observe the conditions in the auditory canal through an endoscope, can effectively improve the accuracy of diagnosis and the success rate of operations, and has the remarkable advantages of convenience in operation, reliability in work, high safety and the like.

Drawings

Fig. 1 is a schematic partial structure diagram of a head-mounted acoustic immittance detection apparatus.

Fig. 2 is a partially enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic structural view of the endoscope.

Fig. 4 is a schematic structural diagram of the head-mounted acoustic immittance detection apparatus.

Fig. 5 is a schematic structural view of the endoscope body.

In the figure, a probe 1, a through hole 2, an endoscope 3, a detection head 31, a camera head 32, a light source 33, a head-wearing connecting belt 4, a sealing earplug 5, an endoscope body 6 and a display part 61.

Detailed Description

In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1 to 4, an acoustic immittance detection mechanism comprises a probe 1, wherein a sealing earplug 5 and four through holes 2 are arranged on the probe 1, three of the through holes 2 are respectively used for connecting an air pump, a tone generator and a microphone recorder, an endoscope 3 is arranged on the other through hole, a detection head 31 of the endoscope 3 is provided with a camera 32 and a light source 33, and the camera is electrically connected with an external display device.

Preferably, the external display device may be a display screen.

In use, the probe 1 is inserted into the ear canal, which forms a closed cavity under the seal of the sealing plug 5. The sealed cavity consists of a probe, an external auditory canal and a tympanic membrane. The probe is internally provided with four through holes, and the first through hole is connected with the tone generator through the sound guide tube and transmits sound to the tympanic membrane; the second through hole is connected with the microphone recorder and used for monitoring the sound intensity level change condition in the sealed cavity. This change can be indicated by a balance gauge connected to the microphone recorder. When the intensity level within the sealed chamber is 85db, the balance gauge pointer is at "0". When the functions of the tympanic membrane and the ossicular chain are changed, the sound intensity level reflected by the tympanic membrane back to the external auditory canal is changed, and the pointer of the balance meter swings along with the change. The third through hole is connected with the air pump, the pressure of the external auditory canal can be adjusted, the activity of the tympanic membrane is changed by changing the pressure of the external auditory canal, and the dynamic compliance condition of the middle ear can be observed. Meanwhile, the endoscope is arranged on the fourth through hole, and the condition in the auditory canal shot by the endoscope can be observed through an external display device.

Preferably, the endoscope detection head is made of transparent materials, and the light source is positioned inside the detection head and illuminates the auditory canal by emitting light through the light source.

Preferably, the camera is arranged at the end part of the detection head, so that the situation in the auditory canal can be conveniently shot.

Preferably, the four through holes are uniformly arranged in a field shape, so that the equipment can be conveniently connected, and interference is prevented.

The utility model provides a wear-type acoustic immittance detection device, includes wear-type connecting band 4, and the one end of wear-type connecting band 4 is equipped with the immittance detection mechanism of acoustic immittance, and the immittance detection mechanism of acoustic immittance includes the probe, be equipped with sealed earplug and four through-holes on the probe, wherein three through-hole is used for connecting air pump, tone generator, microphone recorder respectively, is equipped with the endoscope on another through-hole, the detection head of endoscope is equipped with camera and light source, the camera is connected with external display device electricity.

The head-wearing connecting band includes connecting band body and sets up in the telescopic band of connecting band body both sides, when using, can be according to the size of head size adjustment head-wearing connecting band.

In use, the probe is inserted into the ear canal, and the ear canal forms a closed cavity under the sealing of the sealing earplug. The sealed cavity consists of a probe, an external auditory canal and a tympanic membrane. The probe is internally provided with four through holes, and the first through hole is connected with the tone generator through the sound guide tube and transmits sound to the tympanic membrane; the second through hole is connected with the microphone recorder and used for monitoring the sound intensity level change condition in the sealed cavity. This change can be indicated by a balance gauge connected to the microphone recorder. When the intensity level within the sealed chamber is 85db, the balance gauge pointer is at "0". When the functions of the tympanic membrane and the ossicular chain are changed, the sound intensity level reflected by the tympanic membrane back to the external auditory canal is changed, and the pointer of the balance meter swings along with the change. The third through hole is connected with the air pump, the pressure of the external auditory canal can be adjusted, the activity of the tympanic membrane is changed by changing the pressure of the external auditory canal, and the dynamic compliance condition of the middle ear can be observed. Meanwhile, the endoscope is arranged on the fourth through hole, and the condition in the auditory canal shot by the endoscope can be observed through an external display device.

Alternatively, the other end of the endoscope 3 is an endoscope body 6, which may be configured as in the prior art or as shown in fig. 5, and the user views the screen shot by the camera through a display part 61 on the handle.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is defined by the appended claims, and several modifications and amendments made by those skilled in the art without departing from the spirit and scope of the present invention should be construed as the scope of the present invention.

Claims

1. The utility model provides an acoustic immittance detection mechanism, includes the probe, its characterized in that, be equipped with sealed earplug and four through-holes on the probe, wherein three through-holes are used for connecting air pump, tone generator, microphone audio recorder respectively, are equipped with the endoscope on another through-hole, the detection head of endoscope is equipped with camera and light source, the camera is connected with external display device electricity.

2. The acoustic immittance test mechanism of claim 1, wherein the endoscope test head is made of a transparent material and the light source is located inside the test head.

3. The acoustic immittance test mechanism of claim 1, wherein the camera is provided at the end of the test head.

4. The acoustic immittance test mechanism of claim 1, wherein the four through holes are arranged uniformly in a grid pattern.

5. The utility model provides a wear-type acoustic immittance detection device, includes the wear-type connecting band, its characterized in that, the one end of wear-type connecting band is equipped with acoustic immittance detection mechanism, and acoustic immittance detection mechanism includes the probe, be equipped with sealed earplug and four through-holes on the probe, wherein three through-hole is used for connecting air pump, tone generator, microphone recorder respectively, is equipped with the endoscope on another through-hole, the detection head of endoscope is equipped with camera and light source, the camera is connected with external display device electricity.

6. The head-mounted acoustic immittance test device of claim 5, wherein the head-mounted connecting band comprises a connecting band body and a flexible band disposed on both sides of the connecting band body.

7. The head-mounted acoustic immittance test device of claim 5, wherein the test head of the endoscope is made of a transparent material and the light source is located inside the test head.

8. The head-mounted acoustic immittance test device of claim 5, wherein the camera is disposed at an end of the test head.

9. The head-mounted acoustic immittance test device of claim 5, wherein the four through holes are arranged uniformly in a grid pattern.