CN219814126U - Head-wearing type hearing evoked potential integrated electrode device - Google Patents
Head-wearing type hearing evoked potential integrated electrode device Download PDFInfo
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- CN219814126U CN219814126U CN202321155315.4U CN202321155315U CN219814126U CN 219814126 U CN219814126 U CN 219814126U CN 202321155315 U CN202321155315 U CN 202321155315U CN 219814126 U CN219814126 U CN 219814126U
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- 230000000763 evoking effect Effects 0.000 title claims abstract description 25
- 210000001061 forehead Anatomy 0.000 claims abstract description 36
- 210000003128 head Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 210000000613 ear canal Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 210000000624 ear auricle Anatomy 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 210000001595 mastoid Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000010370 hearing loss Effects 0.000 description 1
- 231100000888 hearing loss Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model relates to the technical field of electrodes. The integrated electrode device of the hearing evoked potential of the head-wearing type comprises a head-wearing type earphone, wherein the head-wearing type earphone comprises a head-wearing connecting frame, earpieces arranged at two ends of the head-wearing connecting frame, ear electrodes are connected to the earpieces, and a supporting component for supporting forehead electrodes is further arranged on the earpieces; the support component comprises a base, and the base is connected with the top of the head-wearing connecting frame; the support assembly comprises an arc-shaped support rod, the top of the arc-shaped support rod is hinged with the base, and the inner side of the arc-shaped support rod is connected with a forehead electrode; the outer side of the arc-shaped supporting rod is connected with the base through a telescopic rod; the telescopic link includes sliding connection's first body of rod and second body of rod, and threaded connection has the nut on the first body of rod, and the peripheral cover of telescopic link is equipped with a spring, and the both ends of spring offset with nut and second body of rod respectively, and first body of rod is articulated with the base, and second body of rod is articulated with the arc bracing piece. The utility model is convenient to wear and fix and has simple structure.
Description
Technical Field
The utility model relates to the technical field of electrodes, in particular to an auditory electric stimulation sensing electrode.
Background
Auditory evoked potential apparatus: is a bioelectrical response of the central nervous system caused by stimulation of the auditory nervous system; can be used in combination with other audiometric examinations to identify hearing loss properties; most commonly used for checking the presence or absence of post cochlear lesions: such as prolonged latency, prolonged wave interval, pronounced inter-binaural latency or phase differences, and poor waveform differentiation, all suggest the possibility of post-cochlear lesions.
The earphone and the acquisition electrode of the conventional auditory evoked potential are separated, and the acquisition electrode of the conventional auditory evoked potential needs 3 electrodes, namely a left electrode contact point for being arranged at the left ear, a right electrode contact point for being arranged at the right ear and a forehead electrode contact point for being arranged at the forehead, each electrode needs to be placed and connected one by one. After each electrode is placed, the correctness of connection needs to be checked, and in case of wiring dislocation, the problems of inverted waveform display or waveform generation and the like can be caused, so that the clinical analysis result is finally affected.
An auditory evoked potential earphone electrode system is disclosed in publication No. CN217659885U, which discloses an integrated arrangement of left, right and forehead electrode contacts with a headset. However, the device has the defect that the forehead electrode contact point is placed through the head-wearing sleeve with the adjustable head circumference, and the structure is complicated.
There is currently a lack of an integrated structure for forehead electrode contacts that is simple in structure.
Disclosure of Invention
The utility model provides a novel head-mounted hearing evoked potential integrated electrode device, which aims at the problems and the defects of the prior art.
The utility model solves the technical problems by the following technical proposal:
the utility model provides an integrated electrode device of head-wearing hearing evoked potential, which comprises a head-wearing earphone, a head-wearing connecting frame and a receiver, wherein the receiver is arranged at two ends of the head-wearing connecting frame and is connected with an ear electrode;
the support assembly comprises a base, and the base is connected with the top of the head-mounted connecting frame;
the support assembly comprises an arc-shaped support rod, the top of the arc-shaped support rod is hinged with the base, and the forehead electrode is connected to the inner side of the arc-shaped support rod; the outer side of the arc-shaped supporting rod is connected with the base through a telescopic rod;
the telescopic rod comprises a first rod body and a second rod body which are connected in a sliding mode, a nut is connected to the first rod body in a threaded mode, a spring is sleeved on the periphery of the telescopic rod, two ends of the spring are abutted to the nut and the second rod body respectively, the first rod body is hinged to the base, and the second rod body is hinged to the arc-shaped supporting rod.
The forehead electrode is convenient to wear and fix by optimizing the mounting structure of the forehead electrode, and has a simple structure. In the wearing process, the head-wearing connecting frame is worn from front to back, and when the forehead is pressed by contacting with the forehead electrode, the forehead electrode is convenient to prop against the forehead due to the telescopic action of the telescopic rod and the action of the spring.
Further preferably, the second rod body is a rod body provided with a blind hole, and the blind hole is slidably connected with the first rod body;
the end part of the spring is propped against the second rod body.
Further preferably, the forehead electrode is mounted on a plastic mounting seat, and the plastic mounting seat is rotatably connected with the arc-shaped support rod.
The forehead electrode is convenient to be three-dimensionally adjustable when contacting with a human body.
Further preferably, the plastic mounting seat and the arc-shaped supporting rod are in matched rotation connection with the ball bowl through a ball head.
Further preferably, the ear electrode support comprises a flexible plug for being plugged into the ear, a perforation is formed in the flexible plug, and a hollow sound transmission tube is arranged in the perforation in a penetrating manner;
the ear electrode is fixed on the flexible plug, and the flexible plug is partially exposed out of the ear electrode;
the flexible plug is internally provided with a lead hole used for penetrating the signal wire, the ear electrode is connected with the signal wire, the signal wire penetrates through the area between the speaker hole and the ear pad on the earphone, and the signal wire penetrates through the area of the earphone and is fixed in a sealing way through a sealing piece.
When in use, the flexible plug is plugged into the ear, and the earphone is sleeved on the periphery of the ear. When the electrode is placed in the external auditory canal by the in-ear electrode structure, a clear auditory evoked potential signal (cochlear potential signal) can be acquired because the external auditory canal is relatively close to the signal generating source of the evoked potential with respect to the position of the earlobe and mastoid.
Further preferably, the outer surface of the area of the ear electrode exposed out of the flexible plug is spherical.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.
The utility model has the positive progress effects that: the integration of various electrodes is realized, and the electrode is convenient to wear. Not only saving the placement time of the electrode, but also avoiding the error of the placement of the electrode.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
fig. 2 is a schematic partial structure of embodiment 2 of the present utility model.
In the figure: the earphone comprises an earphone body 1, a base 2, an arc-shaped supporting rod 3, an ear electrode 4, a first rod body 5, a nut 6, a spring 7, a second rod body 8, an ear electrode 9, a flexible plug 10, an ear pad 11, a loudspeaker hole 12 and a hollow sound transmission tube 13.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in an embodiment 1, an integrated electrode device for a head-mounted hearing evoked potential includes a headset, the headset includes a headset connection frame, and earpieces 1 mounted at two ends of the headset connection frame, ear electrodes 4 are connected to the earpieces 1, and a support assembly for supporting forehead electrodes is further included; the support component comprises a base 2, and the base 2 is connected with the top of the head-wearing connecting frame; the support assembly comprises an arc-shaped support rod 3, the top of the arc-shaped support rod 3 is hinged with the base, and the inner side of the arc-shaped support rod 3 is connected with a forehead electrode; the outer side of the arc-shaped supporting rod 3 is connected with the base through a telescopic rod; the telescopic link includes sliding connection's first body of rod 5 and second body of rod 8, and threaded connection has nut 6 on the first body of rod 5, and the peripheral cover of telescopic link is equipped with a spring 7, and the both ends of spring 7 offset with nut 6 and second body of rod 8 respectively, and first body of rod 5 is articulated with base 2, and second body of rod 8 is articulated with arc bracing piece 3.
The earphone is connected with the head-wearing connecting frame in a sliding way. And is locked by a locking mechanism. The position is convenient to adjust. The earpiece is slidable relative to the headset carrier, which is known in the art and will not be described in detail.
The forehead electrode is convenient to wear and fix by optimizing the mounting structure of the forehead electrode, and has a simple structure. In the wearing process, the head-wearing connecting frame is worn from front to back, and when the forehead is pressed by contacting with the forehead electrode, the forehead electrode is convenient to prop against the forehead due to the telescopic action of the telescopic rod and the action of the spring 7.
The hinging point of the base 2 and the arc-shaped supporting rod 3, the hinging point of the telescopic rod and the base 2 and the hinging point of the telescopic rod and the arc-shaped supporting rod 3 enclose a triangle.
The second rod body 8 is a rod body provided with a blind hole, and the blind hole is connected with the first rod body 5 in a sliding way; the end of the spring 7 abuts against the second rod body 8. The forehead electrode is arranged on a plastic mounting seat which is rotationally connected with the arc-shaped supporting rod 3. The forehead electrode is convenient to be three-dimensionally adjustable when contacting with a human body. The plastic mounting seat is in matched rotation connection with the arc-shaped supporting rod 3 through a ball head and a ball bowl. Specifically, a ball head is arranged on the arc-shaped supporting rod. The plastic mounting seat is provided with a ball bowl which is rotationally connected with the ball head.
The ear electrode is connected with the joint positioned outside the head-wearing connecting frame through the electrode wire fixed on the head-wearing connecting frame. The electrode wire can be wound and fixed through an insulating tape.
The forehead electrode is connected with a joint positioned outside the head-wearing connecting frame through a forehead electrode wire fixed on the head-wearing connecting frame. The forehead electrode wire may be fixed by winding an insulating tape.
The forehead electrode is connected with one end of the forehead electrode wire, and the other end of the forehead electrode wire is connected with an interface of the preamplifier through a connector. The ear electrodes on the left and right sides are connected with the interface of the pre-amplifier through electrode wires.
After the audio jack of the earphone is connected with the host computer, the host computer emits sound signals, the loudspeaker in the earphone emits sound, the forehead electrode and the ear electrode collect auditory evoked potential signals and transmit the auditory evoked potential signals to the preamplifier, the preamplifier processes the auditory evoked potential signals and then transmits the auditory evoked potential signals to the host computer, and the host computer processes and analyzes the digital auditory evoked potential signals.
Embodiment 2, on the basis of embodiment 1, further comprising an ear electrode 9 support, wherein the ear electrode 9 support comprises a flexible plug 10 for being plugged into an ear, a perforation is formed in the flexible plug 10, and a hollow sound transmission tube 13 is arranged in the perforation in a penetrating manner; the ear electrode 9 is fixed on the flexible plug 10, and the ear electrode 9 is partially exposed out of the flexible plug 10; the flexible plug 10 is internally provided with a lead hole for penetrating a signal wire, the ear electrode 9 is connected with the signal wire, the signal wire penetrates through the area between the speaker hole 12 and the ear pad 11 on the earphone, and the area where the signal wire penetrates through the earphone is fixed in a sealing way through a sealing piece. The seal may be glue. In use, the earpiece is fitted around the ear after the flexible plug 10 is inserted into the ear. When the electrode is placed in the external auditory canal by the in-ear electrode structure, a clear auditory evoked potential signal (cochlear potential signal) can be acquired because the external auditory canal is relatively close to the signal generating source of the evoked potential with respect to the position of the earlobe and mastoid. The outer surface of the area of the ear electrode 9 exposed out of the flexible plug 10 is spherical. The flexible plug 10 may be a rubber plug.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (6)
1. The integrated electrode device of a kind of headphone hearing evoked potential, including a headphone, the said headphone includes the head-wearing connection frame and installs the earphone in the both ends of the head-wearing connection frame, connect with the ear electrode on the said earphone, characterized by, also include a support assembly used for supporting the forehead electrode;
the support assembly comprises a base, and the base is connected with the top of the head-mounted connecting frame;
the support assembly comprises an arc-shaped support rod, the top of the arc-shaped support rod is hinged with the base, and the forehead electrode is connected to the inner side of the arc-shaped support rod; the outer side of the arc-shaped supporting rod is connected with the base through a telescopic rod;
the telescopic rod comprises a first rod body and a second rod body which are connected in a sliding mode, a nut is connected to the first rod body in a threaded mode, a spring is sleeved on the periphery of the telescopic rod, two ends of the spring are abutted to the nut and the second rod body respectively, the first rod body is hinged to the base, and the second rod body is hinged to the arc-shaped supporting rod.
2. The head-mounted hearing evoked potential integrated electrode device of claim 1, wherein the second rod body is a rod body provided with a blind hole, and the blind hole is slidably connected with the first rod body;
the end part of the spring is propped against the second rod body.
3. The head-mounted hearing evoked potential integrated electrode device of claim 1, wherein the forehead electrode is mounted on a plastic mount that is rotatably coupled to the arc support rod.
4. The head-mounted hearing evoked potential integrated electrode device of claim 3, wherein the plastic mounting seat and the arc-shaped support rod are connected in a matched rotation manner through a ball head and a ball bowl.
5. The head-mounted hearing evoked potential integrated electrode device of claim 1, further comprising an ear electrode support comprising a flexible plug for insertion into the ear, the flexible plug having a through hole therein, the through hole having a hollow sound tube therethrough;
the ear electrode is fixed on the flexible plug, and the flexible plug is partially exposed out of the ear electrode;
the flexible plug is internally provided with a lead hole used for penetrating the signal wire, the ear electrode is connected with the signal wire, the signal wire penetrates through the area between the speaker hole and the ear pad on the earphone, and the signal wire penetrates through the area of the earphone and is fixed in a sealing way through a sealing piece.
6. The head-mounted hearing evoked potential integrated electrode device of claim 5, wherein an outer surface of an area of the ear electrode exposed to the flexible plug is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321155315.4U CN219814126U (en) | 2023-05-15 | 2023-05-15 | Head-wearing type hearing evoked potential integrated electrode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321155315.4U CN219814126U (en) | 2023-05-15 | 2023-05-15 | Head-wearing type hearing evoked potential integrated electrode device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219814126U true CN219814126U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321155315.4U Active CN219814126U (en) | 2023-05-15 | 2023-05-15 | Head-wearing type hearing evoked potential integrated electrode device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219814126U (en) |
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2023
- 2023-05-15 CN CN202321155315.4U patent/CN219814126U/en active Active
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