CN220588260U - Otoacoustic emission hearing screening instrument - Google Patents
Otoacoustic emission hearing screening instrument Download PDFInfo
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- CN220588260U CN220588260U CN202321801515.2U CN202321801515U CN220588260U CN 220588260 U CN220588260 U CN 220588260U CN 202321801515 U CN202321801515 U CN 202321801515U CN 220588260 U CN220588260 U CN 220588260U
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- 238000012071 hearing screening Methods 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 claims abstract description 33
- 238000012216 screening Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 description 12
- 210000003477 cochlea Anatomy 0.000 description 7
- 238000007689 inspection Methods 0.000 description 6
- 230000028327 secretion Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010011878 Deafness Diseases 0.000 description 2
- 231100000895 deafness Toxicity 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 208000016354 hearing loss disease Diseases 0.000 description 2
- 238000012074 hearing test Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000003748 differential diagnosis Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses an otoacoustic emission hearing screening instrument, which comprises a screening instrument host and a detection probe, wherein the screening instrument host is provided with a circuit device, and the circuit device is provided with a data interface exposed outside; the detection probe comprises a wearing shell, an acoustic wave emitter, an acoustic wave collector and a data connector, wherein the wearing shell is provided with an installation cavity, an acoustic wave collecting channel and an acoustic wave emitting channel, the acoustic wave collecting channel and the acoustic wave emitting channel are all communicated with the installation cavity and are all located on the same side of the wearing shell, the acoustic wave emitter and the acoustic wave collector are all arranged in the installation cavity, the acoustic wave emitter is arranged towards the acoustic wave emitting channel, the acoustic wave collector is arranged towards the acoustic wave collecting channel, the acoustic wave emitter and the acoustic wave collector are all electrically connected with the data connector, and the data connector is detachably spliced and matched with the data connector. The technical scheme of the utility model can reduce the loss of users when the probe is damaged.
Description
Technical Field
The utility model relates to the technical field of hearing screening, in particular to an otoacoustic emission hearing screening instrument.
Background
After birth, infants need to be subjected to hearing test, so that whether the hearing of the infants is normal or not can be conveniently determined. In the face of hearing test of infants, otoacoustic emissions are generally preferred, and have the advantages of objectivity, gradual change, trouble saving, noninvasive property and sensitivity. The otoacoustic emission hearing screening instrument can carry out differential diagnosis on infant cochlear deafness and cochlear postcochlear deafness. However, the probes of the current otoacoustic emission hearing screening instruments on the market require the instrument to be disassembled for maintenance as a whole or replaced with a new instrument after damage, resulting in significant user loss.
Disclosure of Invention
The main object of the utility model is to propose an otoacoustic emission hearing screening instrument aimed at reducing user loss when the probe is damaged.
To achieve the above object, an otoacoustic emission hearing screening instrument according to the present utility model includes:
the screening instrument host is provided with a circuit device, and the circuit device is provided with a data interface exposed outside; and
the detection probe comprises a wearing shell, an acoustic wave emitter, an acoustic wave collector and a data connector, wherein the wearing shell is provided with an installation cavity, an acoustic wave collecting channel and an acoustic wave emitting channel, the acoustic wave collecting channel is communicated with the installation cavity and located on the same side of the wearing shell, the acoustic wave emitter and the acoustic wave collector are arranged in the installation cavity, the acoustic wave emitter faces the acoustic wave emitting channel, the acoustic wave collector faces the acoustic wave collecting channel, the acoustic wave emitter and the acoustic wave collector are electrically connected with the data connector, and the data connector is detachably spliced and matched with the data connector.
Optionally, the detection probe further comprises a flexible connecting wire, wherein the flexible connecting wire is connected between the data connector and the wearing shell, and the data connector is electrically connected with the sound wave emitter and the sound wave collector through the flexible connecting wire.
Optionally, the detection probe includes sound wave pipe, sound wave pipe with wear the casing and dismantle the connection, and extend to wear outside the casing, sound wave pipe is formed with first sound wave passageway and second sound wave passageway, first sound wave passageway with sound wave acquisition channel intercommunication, second sound wave passageway with sound wave emission channel intercommunication.
Optionally, the sound wave pipe includes interior body, spacer sleeve locate the outer body of interior body and connect interior body with a plurality of baffles of outer body, a plurality of baffles are in the circumference interval distribution of interior body, form in the interior body first sound wave channel, interior body with form between the outer body second sound wave channel, interior body outer body and a plurality of baffle integrated into one piece sets up.
Optionally, the wearing shell comprises an outer shell and an inner shell, the outer shell is internally provided with an installation cavity and is provided with an installation through hole communicated with the installation cavity, the inner shell is installed in the installation cavity and is provided with a connecting part extending towards the installation through hole, an acoustic wave emission channel is formed between the peripheral side of the inner shell and the outer shell and between the peripheral side of the connecting part and the installation through hole, the inner shell is provided with an acoustic wave collection channel, and the acoustic wave collection channel penetrates through the connecting part.
Optionally, the acoustic tube is inserted into the mounting through hole, and the inner tube body is sleeved on the connecting portion.
Optionally, the inner shell is provided with a mounting groove, the sound wave collecting channel penetrates through the bottom wall of the mounting groove, and the sound wave collector is mounted in the mounting groove and is arranged towards the sound wave collecting channel.
Optionally, the outer periphery side of the inner shell is provided with an external thread and a notch part extending along the radial direction of the inner shell, a part, close to the installation through hole, in the installation cavity is provided with an internal thread matched with the external thread, and a part of the sound wave emission channel is formed between the notch part and the outer shell.
Optionally, the detection probe further comprises a flexible earplug, and the flexible earplug is detachably arranged outside the installation through hole; the sound tube is positioned within the inner bore of the flexible earplug.
Optionally, the shell includes preceding shell and backshell, the rear end of preceding shell with the front end of backshell is dismantled and is connected, so that form jointly the installation cavity, the front end of preceding shell is equipped with sound wave acquisition channel with sound wave emission channel, the backshell is connected flexible connecting wire.
Optionally, the screening instrument host is provided with a battery installation position and a rear cover detachably covered on the battery installation position, and the battery installation is electrically connected with the circuit device; the screening instrument host is provided with a power interface which is connected with the charging circuit of the circuit device.
According to the technical scheme, the circuit device is arranged on the screening instrument host, the data interface is exposed outside, then the sound wave emitter, the sound wave collector and the data connector are arranged on the detection probe, the sound wave emitter and the sound wave collector are electrically connected with the data connector, and the data connector is detachably spliced and matched with the data interface. When the device is used, the data connector is inserted into the data interface, so that the sound wave transmitter and the sound wave collector can be connected with the circuit device through the data connector. When not using, extract data joint from data interface, can accomodate detection probe and wearing the casing alone, can more reasonable dominant accommodation space. Moreover, when the detection probe is damaged, a new detection probe can be directly replaced, so that the situation that the otoacoustic emission hearing screening instrument cannot be used due to the damage of the detection probe is avoided, and the loss of a user is reduced when the probe is damaged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of one embodiment of an otoacoustic emission hearing screening instrument of the present utility model;
FIG. 2 is a schematic view of the hidden earplug of the inspection probe of FIG. 1;
FIG. 3 is a cross-sectional view of the inspection probe of FIG. 2;
FIG. 4 is a schematic view of the structure of the back cover of the main unit in FIG. 1;
FIG. 5 is a schematic cross-sectional view of the acoustic wave tube of FIG. 2;
FIG. 6 is a schematic view of the inner housing of FIG. 2;
fig. 7 is a schematic diagram of a structure of the back of the key module in fig. 1.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides an otoacoustic emission hearing screening instrument.
In an embodiment of the present utility model, as shown in fig. 1-7, the otoacoustic emission hearing screening instrument comprises a screening instrument host 10 and a test probe 20, the screening instrument host 10 is provided with a circuit device, and the circuit device is provided with a data interface 11 exposed outside; the detection probe 20 is equipped with installation cavity, sound wave acquisition channel 212 and sound wave emission channel 211 including wearing casing 21, sound wave transmitter 22, sound wave collector 23 and data connection 24 wearing casing 21, sound wave acquisition channel 212 and sound wave emission channel 211 all communicate the installation cavity, and all are located the same side of wearing casing 21, sound wave transmitter 22 and sound wave collector 23 all locate the installation cavity, sound wave transmitter 22 sets up towards sound wave emission channel 211, sound wave collector 23 sets up towards sound wave acquisition channel 212, sound wave transmitter 22 and sound wave collector 23 all are connected with data connection 24 electricity, data connection 24 and data connection 11 detachably grafting cooperation.
Specifically, when in use, the data connector 24 is inserted into the data interface 11, so that the circuit device is connected with the sound wave emitter 22 and the sound wave collector 23, after the wearing shell 21 is worn on the ear of an infant, the sound wave emitter emits sound waves to the sound wave emitting channel 211, the sound waves are transmitted into the auditory canal of the infant by the sound wave emitting channel 211, after the cochlea of the infant receives the stimulation of the sound waves, the cochlea feeds back specific sound waves according to the stimulation condition of the sound waves, the sound waves released by the cochlea can be transmitted to the sound wave collector 23 through the auditory canal and the sound wave collecting channel 212, and then the circuit device diagnoses the hearing of the infant according to the condition of the sound waves reflected by the cochlea.
According to the technical scheme, a circuit device is arranged on a screening instrument host 10, a data interface 11 is exposed outside, then an acoustic wave emitter 22, an acoustic wave collector 23 and a data connector 24 are arranged on a detection probe 20, the acoustic wave emitter 22 and the acoustic wave collector 23 are electrically connected with the data connector 24, and the data connector 24 is detachably connected with the data interface 11 in an inserting mode. In use, the data connector 24 is plugged into the data interface 11, so that the sound wave transmitter 22 and the sound wave collector 23 can be connected with the circuit device through the data connector 24 and the data interface 11. When not in use, the data connector 24 is pulled out from the data interface 11, so that the detection probe 20 and the wearing case 21 can be stored separately, and the storage space can be more appropriately controlled. Moreover, when the inspection probe 20 is damaged, a new inspection probe 20 can be directly replaced, so that the situation that the otoacoustic emission hearing screening instrument cannot be used due to the damage of the inspection probe 20 is avoided, and the loss of a user is reduced when the probe is damaged.
In some embodiments, the inspection probe 20 further includes a flexible connection wire 25, the flexible connection wire 25 being connected between the data connector 24 and the wearing case 21, and the data connector 24 being electrically connected to the acoustic transmitter 22 and the acoustic collector 23 through the flexible connection wire 25. Specifically, the wearing shell 21, the sound wave transmitter 22 and the sound wave collector 23 are extended through the flexible connecting wires 25, and when the portable electronic device is used, the wearing shell 21 is only worn at the ear position of an infant, and the screening instrument host 10 is not required to be close to the side of the ear of the infant, so that the portable electronic device is convenient to use. Additionally, in other embodiments, the detection probe 20 is wirelessly connected to the screening apparatus host 10 via Bluetooth.
In some embodiments, the detection probe 20 includes an acoustic tube 26, the acoustic tube 26 is detachably connected to the wearing housing 21 and extends out of the wearing housing 21, the acoustic tube 26 is formed with a first acoustic channel 261 and a second acoustic channel 262, the first acoustic channel 261 is in communication with the acoustic acquisition channel 212, and the second acoustic channel 262 is in communication with the acoustic emission channel 211. Specifically, when secretion exists in the auditory canal of an infant, the secretion can enter the first acoustic wave channel 261 and the second acoustic wave channel 262, and when the secretion is accumulated in the acoustic wave tube 26 too much, the propagation of sound waves in the first acoustic wave channel 261 and the second acoustic wave channel 262 can be influenced, so that the diagnosis result of the otoacoustic emission hearing screening instrument is deviated, the acoustic wave tube 26 can be detached and replaced by a new acoustic wave tube 26, and the otoacoustic emission hearing screening instrument can be continuously used normally. Meanwhile, the acoustic wave tube 26 is positioned between the acoustic wave emitter 22, the acoustic wave collector 23 and the auditory canal, so that the condition that secretion directly pollutes the acoustic wave emitter 22 and the acoustic wave collector 23 is avoided. In addition, in other embodiments, two acoustic wave tubes 26 are provided in communication with the acoustic wave acquisition channel 212 and the acoustic wave emission channel 211, respectively.
In some embodiments, the acoustic pipe 26 includes an inner pipe body 263, an outer pipe body 264 sleeved outside the inner pipe body 263 at intervals, and a plurality of partition plates 265 connecting the inner pipe body 263 and the outer pipe body 264, the plurality of partition plates 265 are circumferentially spaced apart in the inner pipe body 263, a first acoustic channel 261 is formed in the inner pipe body 263, a second acoustic channel 262 is formed between the inner pipe body 263 and the outer pipe body 264, and the inner pipe body 263, the outer pipe body 264, and the plurality of partition plates 265 are integrally formed.
Specifically, the sound wave emitted by the sound wave emitter 22 and the sound wave required to be collected by the sound wave collector 23 are distributed in the sound wave tube 26, the sound wave emitted by the sound wave emitter 22 and the sound wave emitted by the cochlea of the infant cannot interfere with each other in the process of propagation in the use process, and the structure of the baffle 265 and the integrated structure makes the structure of the sound wave tube 26 stronger and cannot be damaged easily. In addition, in other embodiments, a baffle 265 is disposed within the acoustic pipe 26 to form the first acoustic channel 261 and the second acoustic channel 262.
In some embodiments, wearing case 21 includes outer case 213 and inner case 214, a mounting cavity is formed in outer case 213 and a mounting through hole communicating with the mounting cavity is provided, inner case 214 is mounted in the mounting cavity and has a connection portion 2142 extending toward the mounting through hole, sound wave emission channels 211 are formed between the peripheral side of inner case 214 and outer case 213 and between the peripheral side of connection portion 2142 and the mounting through hole, inner case 214 is provided with sound wave collection channels 212, and sound wave collection channels 212 penetrate through connection portion 2142.
Specifically, the shell of the inner shell 214 encloses the acoustic wave collector 23, and in use, the shell of the inner shell 214 blocks the acoustic wave emitted by the acoustic wave emitter 22, so that the acoustic wave emitted by the acoustic wave emitter 22 is prevented from interfering with the acoustic wave collector 23. And the sound wave transmitted by the cochlea of the infant propagates in the inner shell 214 and can be better collected by the sound wave collector 23. Thus, the sound wave emitted by the sound wave emitter 22 and the sound wave required to be collected by the sound wave collector 23 propagated in the sound wave tube 26 can not interfere with each other, and the inaccuracy of the diagnosed hearing result caused by the mutual interference of the sound wave emitted by the sound wave emitter 22 and the sound wave signal emitted by the cochlea of the infant is avoided.
In some embodiments, the acoustic tube 26 is inserted into the mounting through hole, and the inner tube 263 is sleeved on the connecting portion 2142. Specifically, this manner of attachment is simpler, and the acoustic tube 26 is also more stable and more convenient to disassemble. In addition, in other embodiments, the acoustic wave tube 26 is secured to the connection 2142 by a threaded structure.
In some embodiments, the inner housing 214 is provided with a mounting groove 2141, and the acoustic wave acquisition channel 212 extends through a bottom wall of the mounting groove 2141, and the acoustic wave acquisition device 23 is mounted within the mounting groove 2141 and is disposed toward the acoustic wave acquisition channel 212. Specifically, the acoustic wave collector 23 can be conveniently installed through the installation groove 2141, and the installation groove 2141 is plugged at one end of the installed acoustic wave collector 23 facing away from the acoustic wave collecting channel 212, so that the acoustic wave emitted by the acoustic wave emitter 22 is prevented from entering the installation groove 2141 to interfere with the acoustic wave collector 23.
In some embodiments, the outer periphery of the inner shell 214 is provided with an external thread 2144 and a notch 2143 extending along the radial direction of the inner shell 214, the portion of the installation cavity near the installation hole is provided with an internal thread matching with the external thread 2144, and a part of the acoustic wave emission channel 211 is formed between the notch 2143 and the outer shell 213. Specifically, the inner housing 214 is fixed to the mounting cavity by the external threads 2144 and 2144, and this structure can make the internal threads fixed more stable, and does not affect the propagation of sound waves, and has a simple structure. In addition, in other embodiments, an acoustic wave emitting hole penetrating the wall of the housing 213 in the axial direction of the housing 213 is provided in the housing 213.
In some embodiments, the detection probe 20 further includes a flexible earplug removably mounted outside the mounting through hole; the sound tube 26 is located within the bore of the flexible earplug. In particular, the flexible earplug is more comfortable when being plugged into the ears of an infant, and the process of influencing the hearing diagnosis caused by struggling of the infant due to uncomfortable feeling is avoided. And the flexible earplug can be better abutted against the auditory canal when being plugged into the ear position of an infant, so that the influence of the leakage of sound waves on the diagnosis result is avoided.
In some embodiments, the housing 213 includes a front shell 2131 and a rear shell 2132, the rear end of the front shell 2131 being detachably connected to the front end of the rear shell 2132 to collectively form a mounting cavity, the front end of the front shell 2131 being provided with an acoustic wave acquisition channel 212 and an acoustic wave emission channel 211, the rear shell 2132 being connected to the flexible connection wire 25.
Specifically, the front shell 2131 and the rear shell 2132 protect the acoustic wave emitter 22 and the acoustic wave collector 23 and form a space for the acoustic wave to propagate, and when the acoustic wave emitter 22 or the acoustic wave collector 23 is damaged, the front shell 2131 can be detached to repair or detach the acoustic wave emitter 22 or the acoustic wave collector 23.
In some embodiments, the peripheral surface of the front shell 2131 is provided with an earplug installation site 215, the earplug installation site 215 is an annular groove, when in use, the flexible earplug is sleeved on the front shell 2131, and the end part of the flexible earplug is clamped at the earplug installation site 215, so that the earplug is fixed, and the flexible earplug with different specifications can be conveniently installed or replaced through the earplug installation site 215.
In some embodiments, the screening apparatus main body 10 is provided with a battery mounting location 12 and a rear cover 13 detachably covering the battery mounting location 12, the battery mounting location 12 being electrically connected to the circuit device. Specifically, the battery mounting location 12 is provided with metal contacts that can connect the positive and negative poles of the battery, and by mounting the battery at the battery mounting location 12, the battery is connected to the circuit device through the metal contacts, so that the battery supplies power to the circuit device, and the otoacoustic emission hearing screening instrument is not limited by a power cord. The battery may be a dry battery or a rechargeable battery.
In some embodiments, the screening apparatus host 10 is provided with a power interface that interfaces with the charging circuitry of the circuit arrangement. Specifically, when rechargeable battery does not have the electricity, through inserting power cord power interface, make rechargeable battery charge, can use the battery cycle like this, avoided frequent battery replacement to cause the waste.
In some embodiments, the screening apparatus host 10 is provided with a display 14 and a key module 15, both the display 14 and the key module 15 being connected to the circuit arrangement. In use, the diagnostic results may be displayed directly through the display 14 and the mode of hearing screening may be adjusted through the key module 15. In addition, in other embodiments, a touch screen is provided at the screening apparatus host 10.
In some embodiments, the screening apparatus main body 10 is elongated and includes a front housing and a back housing that are positioned parallel and symmetrically and are each arcuate in shape. When a user holds the hand, the front shell and the back shell which are in the cambered surface shape are attached to the palm, and the hand is comfortable to use. Wherein, the button module 15 is arranged on the front shell, and the back cover 13 is arranged on the back shell.
In some embodiments, the key module 15 includes a circular confirmation key cap and a navigation key cap having a circular ring shape and disposed at a peripheral side of the confirmation key. The confirmation key cap is connected with a confirmation switch, and the navigation key cap is connected with four direction switches. In use, the mode of hearing screening may be displayed on the display 14, with the mode to be used selected by navigating the key cap operational directional switch, and then confirming the selection by depressing the confirmation key cap, causing the screening instrument host 10 to initiate the selected mode.
In some embodiments, the front shell of the screening instrument host 10 is provided with a key installation position with a shape matched with the key module 15, the periphery side of the bottom of the navigation key cap is provided with a plurality of first extension arms 151 extending outwards, the periphery side of the bottom of the confirmation key cap is provided with a plurality of second extension arms 152 extending towards the outer side of the navigation key cap, the periphery side of the navigation key cap is provided with avoidance holes corresponding to the second extension arms 152, the tail ends of the first extension arms 151 and the second extension arms 152 are provided with positioning holes, and the back surface of the front shell is provided with a plurality of fixing columns 16 matched with the positioning holes one by one. When the screening apparatus host 10 is assembled, the confirmation key cap is mounted to the annular ring of the navigation key cap from the bottom of the navigation key cap, and the second extension arm 152 passes through the avoidance hole, so that the confirmation key cap is limited by the navigation key cap, and the confirmation key cap cannot rotate in the annular ring of the navigation key cap. And then the positioning holes are aligned with the fixing columns 16 one by one, so that the confirmation key cap and the navigation key cap can be accurately fixed at the key installation position. The surface of the navigation key cap and the surface of the confirmation key cap are cambered surfaces, after the installation is completed, the surface of the navigation key cap and the surface of the confirmation key cap are aligned with the surface of the front shell, meanwhile, the fixing column 16 limits the positioning hole, and the key module 15 cannot rotate in the key installation position.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. An otoacoustic emission hearing screening instrument, comprising:
the screening instrument host is provided with a circuit device, and the circuit device is provided with a data interface exposed outside; and
the detection probe comprises a wearing shell, an acoustic wave emitter, an acoustic wave collector and a data connector, wherein the wearing shell is provided with an installation cavity, an acoustic wave collecting channel and an acoustic wave emitting channel, the acoustic wave collecting channel is communicated with the installation cavity and located on the same side of the wearing shell, the acoustic wave emitter and the acoustic wave collector are arranged in the installation cavity, the acoustic wave emitter faces the acoustic wave emitting channel, the acoustic wave collector faces the acoustic wave collecting channel, the acoustic wave emitter and the acoustic wave collector are electrically connected with the data connector, and the data connector is detachably spliced and matched with the data connector.
2. The otoacoustic emission hearing screening device of claim 1, wherein the test probe further comprises a flexible connection wire connected between the data connector and the wear housing, and the data connector electrically connects the acoustic wave emitter and the acoustic wave collector through the flexible connection wire.
3. The otoacoustic emission hearing screening device of claim 2, wherein the test probe includes an acoustic tube removably connected to the wearing housing and extending outside the wearing housing, the acoustic tube defining a first acoustic channel and a second acoustic channel, the first acoustic channel being in communication with the acoustic collection channel and the second acoustic channel being in communication with the acoustic emission channel.
4. The otoacoustic emission hearing screening device of claim 3, wherein the acoustic tube comprises an inner tube body, an outer tube body spaced apart from the inner tube body, and a plurality of baffles connecting the inner tube body and the outer tube body, the plurality of baffles being circumferentially spaced apart from the inner tube body, the inner tube body defining the first acoustic channel therein, the inner tube body defining the second acoustic channel therebetween, the inner tube body, the outer tube body, and the plurality of baffles being integrally formed.
5. The otoacoustic emission hearing screening device of claim 4, wherein the wearing housing includes an outer shell and an inner shell, the outer shell having the mounting cavity formed therein and having a mounting through hole communicating with the mounting cavity, the inner shell being mounted in the mounting cavity and having a connecting portion extending toward the mounting through hole, the sound wave emission channel being formed between a peripheral side of the inner shell and the outer shell and between a peripheral side of the connecting portion and the mounting through hole, the inner shell having the sound wave collection channel extending through the connecting portion; the sound wave tube is inserted into the mounting through hole, and the inner tube body is sleeved on the connecting part.
6. The otoacoustic emission hearing screening device of claim 5, wherein the inner housing is provided with a mounting slot, the acoustic wave acquisition channel extending through a slot bottom wall of the mounting slot, the acoustic wave acquisition device being mounted in the mounting slot and disposed toward the acoustic wave acquisition channel.
7. The otoacoustic emission hearing screening device of claim 5, wherein the outer peripheral side of the inner housing is provided with external threads and a notched portion extending radially of the inner housing, wherein the portion of the mounting cavity adjacent the mounting through hole is provided with internal threads that mate with the external threads, and wherein a portion of the acoustic emission channel is formed between the notched portion and the outer housing.
8. The otoacoustic emission hearing screening instrument of claim 5, wherein the test probe further comprises a flexible earplug removably mounted outside the mounting through hole; the sound tube is positioned within the inner bore of the flexible earplug.
9. The otoacoustic emission hearing screening device of claim 5, wherein the housing includes a front shell and a rear shell, the rear end of the front shell being detachably connected to the front end of the rear shell to collectively form the mounting cavity, the front end of the front shell being provided with the acoustic wave acquisition channel and the acoustic wave emission channel, the rear shell being connected to the flexible connection line.
10. The otoacoustic emission hearing screening instrument of claim 1, wherein the screening instrument host is provided with a battery mounting location and a rear cover removably covering the battery mounting location, the battery mounting location being electrically connected to the circuit device; the screening instrument host is provided with a power interface which is connected with the charging circuit of the circuit device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321801515.2U CN220588260U (en) | 2023-07-10 | 2023-07-10 | Otoacoustic emission hearing screening instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321801515.2U CN220588260U (en) | 2023-07-10 | 2023-07-10 | Otoacoustic emission hearing screening instrument |
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| Publication Number | Publication Date |
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| CN220588260U true CN220588260U (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321801515.2U Active CN220588260U (en) | 2023-07-10 | 2023-07-10 | Otoacoustic emission hearing screening instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116746916A (en) * | 2023-07-10 | 2023-09-15 | 深圳市瑞邦医疗科技有限公司 | Otoacoustic emission hearing screening instrument |
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2023
- 2023-07-10 CN CN202321801515.2U patent/CN220588260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116746916A (en) * | 2023-07-10 | 2023-09-15 | 深圳市瑞邦医疗科技有限公司 | Otoacoustic emission hearing screening instrument |
| CN116746916B (en) * | 2023-07-10 | 2024-06-18 | 深圳市瑞邦医疗科技有限公司 | Otoacoustic emission hearing screening instrument |
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