TWI250808B - The split-type hearing aid - Google Patents
The split-type hearing aid Download PDFInfo
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- TWI250808B TWI250808B TW93132338A TW93132338A TWI250808B TW I250808 B TWI250808 B TW I250808B TW 93132338 A TW93132338 A TW 93132338A TW 93132338 A TW93132338 A TW 93132338A TW I250808 B TWI250808 B TW I250808B
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- 210000003454 tympanic membrane Anatomy 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 30
- 210000000613 ear canal Anatomy 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000012545 processing Methods 0.000 abstract description 3
- 210000000883 ear external Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 210000000959 ear middle Anatomy 0.000 description 3
- 208000016354 hearing loss disease Diseases 0.000 description 3
- 206010011878 Deafness Diseases 0.000 description 2
- 230000010370 hearing loss Effects 0.000 description 2
- 231100000888 hearing loss Toxicity 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 206010011891 Deafness neurosensory Diseases 0.000 description 1
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 210000001595 mastoid Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000926 neurological effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 206010033072 otitis externa Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001050 stape Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- QQJLHRRUATVHED-UHFFFAOYSA-N tramazoline Chemical compound N1CCN=C1NC1=CC=CC2=C1CCCC2 QQJLHRRUATVHED-UHFFFAOYSA-N 0.000 description 1
- 229960001262 tramazoline Drugs 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Prostheses (AREA)
- Transmitters (AREA)
Abstract
Description
1250808 五、發明說明（1) 【發明所屬之技術領域】 本創作提出一種新式的分離式助聽器，係包括一活動式之 信號發射器及一預先置於於鼓膜上之接收及致動裝置，使 用時將信號發射器配戴於耳道口 ，其前端之發射器伸入耳 道並發送出無線信號，接收及致動裝置接收到該信號後轉 換為電力信號輸入致動器，致動器產生力推動鼓膜產生聽 覺。 【先前技術】 傳統助聽器[1 ][ 2 ][ 3 ]，主要利用配戴於耳道口之耳機產 生聲波信號傳送至耳内以產生聽覺，配戴時塞住耳道口， 因此會產生遮蔽效應（Occlusion effect)，並干擾正常外 耳道的共振，造成聲音的失真且有不正常的回饋現象，這 種現象對中重度聽力損失的病人尤其嚴重，不僅會產生惱 人的噪音，也會降低病人配戴的意願，此外由於置入式的 電池的設計，所以電池的體積較小，壽命有限，所能夠提 供的功率也較小。 E a r 1 e n s式助聽器[4 ]’是一種不需要手術的的助聽器作 用原理是把磁鐵固定在耳膜上，並且在耳道深處放入―’個 由電池驅動的電磁鐵，然而其輸出增益太小，且在不同頻 率下，其功能性增益（Functional gain)的差異性大，因 為增益是由電池至電磁鐵之間距離的三次方來決定，所以 須將電池及電磁鐵塞入耳道深處，才會有比較好的效能， 然而如此一來有容易產生外耳炎的缺點。1250808 V. INSTRUCTIONS (1) [Technical Fields of the Invention] The present invention proposes a new type of separate hearing aid, which comprises a movable signal transmitter and a receiving and actuating device pre-placed on the eardrum. The signal transmitter is worn on the ear canal, and the transmitter at the front end projects into the ear canal and sends out a wireless signal. After receiving the signal, the receiving and actuating device converts the signal into an electric signal input actuator, and the actuator generates a force. Push the tympanic membrane to produce hearing. [Prior Art] Conventional hearing aids [1][2][3] mainly use the earphones worn in the ear canal to generate sound waves to be transmitted to the ear to generate hearing, and to plug the ear canal when worn, thus causing a shadowing effect ( Occlusion effect), and interfere with the resonance of the normal external auditory canal, causing distortion of the sound and abnormal feedback. This phenomenon is especially serious for patients with moderate to severe hearing loss, which not only causes annoying noise, but also reduces the wear of the patient. In addition, due to the design of the built-in battery, the battery is small in size, has a limited life, and can provide a small amount of power. The E ar 1 ens hearing aid [4 ]' is a hearing aid that does not require surgery. The principle of action is to fix the magnet on the eardrum and put a battery-driven electromagnet deep in the ear canal, but its output gain. Too small, and at different frequencies, the difference in functional gain is large, because the gain is determined by the cube of the distance between the battery and the electromagnet, so the battery and the electromagnet must be inserted into the ear canal. At this point, there will be better performance, but as a result, there are shortcomings that are prone to otitis externa.
1250808 五、發明說明（2) 植入式助聽器[5 ] [ 6 ] [ 7 ] [ 9 ] [ 1 0 ] [ 1 1 ] [ 1 2 ]需要對病患進行 手術，其手術費用高昂，大約要花費數十萬元，手術的過 程中須鑿穿乳突骨頭做為助聽器的固定之處，所以有可能 產生併發症，並造成嚴重的神經性聽力損失，且因植入器 是屬於外來物，會有身體排斥之缺點。 【參考資料】 [1] Ricketts ΤΑ.，丨丨 Impact of noise source configuration on directional hearing aid benefit and performance," Ear Hearing, 2000; 21: 194-205 [2] Schwietzer C.,丨’Development of digital hearing aid," Trands Amplification, 1997; 2: 41-77 [3] National Advisory Board, "Report of the Committee on Medical Reliability Research丨丨 1 992， P8 [4] Perkins R. , M Ear 1 ens tympanic contact transducer: A new method of sound transduction to the human ear，" 01o 1 aryngo1-Head and Neck Surgery 1996; 114: 720-7281250808 V. INSTRUCTIONS (2) Implantable hearing aids [5 ] [ 6 ] [ 7 ] [ 9 ] [ 1 0 ] [ 1 1 ] [ 1 2 ] Surgery is required for patients, and the cost of surgery is high, about It costs hundreds of thousands of yuan. During the operation, the mastoid bone must be chiseled as a fixed point of the hearing aid, so it may cause complications and cause serious neurological hearing loss. Because the implant is a foreign object, it will There are shortcomings of physical exclusion. [References] [1] Ricketts ΤΑ.,丨丨Impact of noise source configuration on directional hearing aid benefit and performance," Ear Hearing, 2000; 21: 194-205 [2] Schwietzer C.,丨'Development of digital Hearing aid," Trands Amplification, 1997; 2: 41-77 [3] National Advisory Board, "Report of the Committee on Medical Reliability Research丨丨1 992, P8 [4] Perkins R. , M Ear 1 ens tympanic Contact transducer: A new method of sound transduction to the human ear," 01o 1 aryngo1-Head and Neck Surgery 1996; 114: 720-728
1250808 五、發明說明（3) [5] Huttenbrick KB, M Current status and critical reflections on implantable hearing aid, Am J 0to 1 1999; 20: 409-415 [6] Baker RS， Wood MW， Hough JVD， "The implantable hearing device for sensorineural hearing impairment，丨丨 Otolaryngol Clin North Am 1 9 9 5; 28: 147-53 [7] Heide J，Tatge G, Sander T，et a 1, 丨丨 Development of a semi - implantable hearing device，▼丨 Adv Audiol 1998; 4: 32 [8] Goode RL，丨丨 Current status of the electromagnetic implantable hearing aid,n Otolaryngol Clin North Am 1989; 22: 201 [9] Gyo K， Goode RL， Miller DC， "Stapes vibration produced by the output transducer of an implantable hearing aid," Arch Otolaryngol Head Neck Surg 1 98 7; 1 1 3: 1 0 78-1081 [10] Maniglia AJ, Ko WH, Roseubraum M, et al, A aontactless electromagnetic implantable middle ear1250808 V. INSTRUCTIONS (3) [5] Huttenbrick KB, M Current status and critical reflections on implantable hearing aid, Am J 0to 1 1999; 20: 409-415 [6] Baker RS, Wood MW, Hough JVD, " The implantable hearing device for sensorineural hearing impairment, 丨丨Otolaryngol Clin North Am 1 9 9 5; 28: 147-53 [7] Heide J, Tatge G, Sander T, et a 1, 丨丨Development of a semi - implantable hearing Device, ▼ 丨 Adv Audiol 1998; 4: 32 [8] Goode RL, 丨丨 Current status of the electromagnetic implantable hearing aid, n Otolaryngol Clin North Am 1989; 22: 201 [9] Gyo K, Goode RL, Miller DC, "Stapes vibration produced by the output transducer of an implantable hearing aid," Arch Otolaryngol Head Neck Surg 1 98 7; 1 1 3: 1 0 78-1081 [10] Maniglia AJ, Ko WH, Roseubraum M, et al, A aontactless electromagnetic implantable middle ear
第10頁 1250808 五、發明說明（4) device for sensor i neural hearing loss,丨丨 Ear Nose Throat J 1994; 73: 78-90 [11] Maniglia AJ, Ko WH, Zhang RX, et al, Electromagnetic implantable middle ear hearing device of the ossicular stimlating type: Principle, designs, experiments,丨’ Ann Otol Rhinol Laryngol 1998; 97(Suppl 136), part 2 [12] Vlaming MSMG, Feestra, "Studies on the mechanics of the normal human middle ear, n Clin Otolaryngol 1986; 11: 353-363 -tt 設 遞 >傳 題號 問信 1之線 容決無 内解式 明欲離 發所分 之 後 戴 配 低 降 效 有 o J 下合 取密 易道 容耳 時與 用必 使不 不且 體小 本寸 器尺 射構 發結 號體 信整 2 3 且 應 效 斥 ΙΡΓ 體 身 除。 。消果 象，效 現上聽 饋膜助 回鼓升 和於提 真置， 失先膜 的預鼓 音器動 聲動推 及致接 以及直 感收器 適接動 不4致 段 手 術 技 之 題 問 決 解Page 10 1250808 V. Invention Description (4) device for sensor i neural hearing loss, 丨丨Ear Nose Throat J 1994; 73: 78-90 [11] Maniglia AJ, Ko WH, Zhang RX, et al, Electromagnetic implantable middle Ear hearing device of the ossicular stimlating type: Principle, designs, experiments,丨' Ann Otol Rhinol Laryngol 1998; 97(Suppl 136), part 2 [12] Vlaming MSMG, Feestra, "Studies on the mechanics of the normal human middle Ear, n Clin Otolaryngol 1986; 11: 353-363 -tt Set-up> The number of the question number 1 is not allowed to be resolved. After the hair is split, the wear is low and the effect is reduced. When the road is in the ear and the use must be made, the body is small and the size of the body is measured. The number is 2 2 and should be repelled. . Eliminate the fruit image, the effect of listening to the film to help the drum rise and the truth, the pre-drum pre-drum of the lost film and the connection and the straight-sensing receiver are not suitable for the 4th segment of the surgical technique Question
第11頁 1250808 五、發明說明（5) __ 如〈第一圖〉所示，本分離式助聽裝置勺人 一、活動式信號發射器（1 )，二、接匕含了兩個部份： 動式信號發射器（1 )係配戴於人耳之 $致動裝置（2 )。活 (4 )及信號發射器（5 )二部份組成，主喊上（3 )，由固定器 成之電子信號轉換成無線方式發送之的功能係將處理完 電磁波信號）。配戴時將尾部的固定°號（如光波信號或 (3 )，並由此電氣連結至外界助聽器^ L4 )固定於耳殼 號發射器（5 )則是懸於外聽道（6 )中°，、_信號處理端，而信 分，使得信號發射器（5)前端能正對^入耳内約1〜2公 接收及致動裝置（2)，達到最佳的Γ /預先置於鼓膜（7)之 動式信號發射器（1 )並未將耳道塞^號傳遞效果，由於活 感會大幅減低，且外界之聲立 /雨’因此配戴時的不適 動裝置（2)則是在預先置於曰^被完全阻絕。接收及致 取下，當裝置上的接收器受到豉膜/7)上’無法任意 激發而產生電流或電壓信號丄射器（5 )發出信號的 作用力直接推動鼓膜來造成發謦用於驅動致動器，產生 活動式信號發射器（1)不使;^可 用彈性方面，幸交一般助靜直接/下，於清潔及使 可達到良好之助聽效果，產生較佳的聲音品質。 膜 :相較於先前技術之功效》 在聽損者毋須使用助聽器的 信號發射器（1)，配置的自的由狀Λ 可^易地取下活動式 子的閉塞感會減低，降低聲音之失真和回饋現Page 11 1250808 V. Description of the invention (5) __ As shown in the first figure, the split hearing aid device has a scoop, a movable signal transmitter (1), and two, the junction contains two parts. : The dynamic signal transmitter (1) is fitted to the human actuator's $actuator (2). The live (4) and signal transmitter (5) are composed of two parts, the main call is (3), and the function of converting the electronic signal generated by the fixed device into the wireless system will process the electromagnetic wave signal). When fitting, the fixed ° (such as the light wave signal or (3), and thus electrically connected to the external hearing aid ^ L4) is fixed to the ear shell transmitter (5) and is suspended in the external auditory (6). °,, _ signal processing end, and the signal, so that the front end of the signal transmitter (5) can face the ear into the ear about 1~2 male receiving and actuating device (2), to achieve the best Γ / pre-placed in the tympanic membrane (7) The dynamic signal transmitter (1) does not transmit the effect of the ear canal plug, because the sense of activity will be greatly reduced, and the sound of the outside is vertical/rainy, so the discomfort device when worn (2) It was placed in advance and was completely blocked. Receiving and receiving, when the receiver on the device is subjected to the diaphragm/7), it can't be arbitrarily excited to generate current or voltage signal. The force of the transmitter (5) sends a signal to directly push the tympanic membrane to cause the hairpin to be driven. The actuator produces a movable signal transmitter (1) that does not make it; ^ can be used in terms of elasticity, fortunately, it can be directly assisted by direct/down, for cleaning and to achieve good hearing aid effect, resulting in better sound quality. Membrane: Compared with the efficacy of the prior art, the hearing transmitter does not need to use the signal transmitter of the hearing aid (1), the configuration of the self-contained Λ can easily remove the movable occlusion feeling will be reduced, reduce the sound Distortion and feedback
1250808 五、發明說明（6)1250808 V. Description of invention (6)
象，且外界的聲波亦不會被*人 (2)因直接置於鼓膜（7)上，=二。接收及致動裝置 須消耗少許的能量即可推動鼓 產生排斥效應，更只 佳。 動豉臈（7)產生聽覺，助聽效果 【實施方式】 在〈第一圖〉中選用發光二極體作 用者將活動式信號發射器為^破&發射器（5)’當使 對準預先裝設在鼓膜上的接收及^ 唬發射器（5)前端 完成之電子信號輸入發射ΐϊ及；m2)’外界處理 圖〉所示，感光二極體收器，如〈第二 輸出，用以驅動致動器（9)。 ° ;、’考後會產生電流 致動器（9 )之設計可有下列數種方式： 1.〈第三圖〉表示的致動器設計，為採用磁滞伸縮 製成的柱狀體，其末端搭載質量塊（12)，將桎 (8)受激發所產生的電流i，引人環繞於致動器 圈，隨著電流的變化，線圈（1〇)中心的磁場亦會产，^ 變，因此磁滯伸縮材料（丨丨）感受到磁場變化而 利用質量塊（12)振動時所產生之作用力來推動鼓^形變， 2.〈第四圖〉表示的致動器設計中，致動器係包含 懸臂樑（13)和質量塊（14)。多層複合懸臂樑由磁滯二Like, and the external sound waves will not be * people (2) because they are placed directly on the tympanic membrane (7), = two. Receiving and actuating the device requires a small amount of energy to push the drum to produce a repulsive effect, which is better. Motivation (7) produces hearing, hearing aid effect [Embodiment] In the <Picture 1> selects the role of the light-emitting diode to move the active signal transmitter to ^break & transmitter (5)' Pre-installed on the tympanic membrane and the electronic signal input and emission of the front end of the transmitter (5); m2) 'External processing diagram>, the photodiode receiver, such as the second output, Used to drive the actuator (9). °;, 'After the test, the current actuator (9) can be designed in the following ways: 1. The actuator design shown in the third diagram is a columnar body made of hysteresis. The end is equipped with a mass (12), and the current i generated by the excitation of the cymbal (8) is surrounded by the actuator coil. As the current changes, the magnetic field at the center of the coil (1〇) is also produced. Therefore, the hysteresis material (丨丨) senses the change of the magnetic field and uses the force generated by the mass (12) to promote the drum deformation. 2. In the actuator design represented by the fourth figure, The actuator system includes a cantilever beam (13) and a mass (14). Multi-layer composite cantilever beam
第13頁 1250808 五、發明說明（7) 料（1 5)和用於改變樑之中性軸位置的材料組成，且 =搭載一質量塊而另一端為固定端，在致動器四週亦 、、圈（1 6 )，磁滯伸縮材料受到電流引發之磁場變化p = 生形變，因此使得多層複合懸臂樑（丨3 )彎曲造成質量= g j)上下擺動’利用振動時所產生之作用力來推動鼓^ 則上述 縮材 之方形 鋪設上 材料 力來推 >多層 (24)以 有一質 (2 2 )和 多層複 動產生 3 ·若將接收器產生的電流信號轉換成為電壓信號， ^兩種致動器設計可改為採用壓電材料取代磁滯伸 料。如〈第五圖〉，致動器本體為壓電材料（丨7 )製成 j主體’其末端搭載質量塊（18)，於壓電材料之兩面 電極（1 9 )和下電極（2 0 )，利用電壓之變化使得壓電 (1J)產生形變，造成質量塊（18)振動而產生之作用 $政膜（7 )。〈第六圖〉之多層複合懸臂樑（2 1 )設計 結構包含有上電極（22)、下電極（23)以及壓電材料 ^用於調整樑之中性轴位置的材料，樑之末端搭 里塊（25)而另一端為固定端，電壓信號輸入上電極 下電極（23)，此電壓差造成壓電材料（24)之形變， 。懸臂樑（2 1)因而彎曲，造成末端的質量塊（2 5 作用力推動鼓膜（7 )。 把 =上所述者僅為用以解釋本創作之較佳實施範例， 2:對本創作作任何形式上之限制，是以在= 之創作精神下所作有關本創作之任何修飾或變$，f =Page 13 1250808 V. INSTRUCTIONS (7) Material (1 5) and the material composition used to change the position of the neutral axis of the beam, and = one mass is mounted and the other end is a fixed end, also around the actuator , circle (16), the hysteresis material is subjected to current-induced magnetic field change p = deformation, so that the multilayer composite cantilever beam (丨3) is bent to cause mass = gj) to swing up and down 'utilize the force generated by vibration Pushing the drum ^ The square of the above-mentioned shrinkage material is laid with a material force to push the multi-layer (24) to have a mass (2 2 ) and a multi-layer double-action generation 3 · If the current signal generated by the receiver is converted into a voltage signal, ^ two The actuator design can instead use a piezoelectric material instead of a hysteresis material. As shown in <fifth figure>, the actuator body is made of piezoelectric material (丨7), and the main body of the body is mounted with a mass (18) at its end, and on both sides of the piezoelectric material (1 9 ) and the lower electrode (20). ), using the change of voltage, the piezoelectric (1J) is deformed, causing the mass (18) to vibrate and the effect of the film (7). The sixth-layer composite cantilever beam (2 1 ) design structure includes an upper electrode (22), a lower electrode (23), and a piezoelectric material for adjusting the position of the neutral axis of the beam. The inner block (25) and the other end are fixed ends, and the voltage signal is input to the upper electrode lower electrode (23), and the voltage difference causes deformation of the piezoelectric material (24). The cantilever beam (2 1) is thus bent, causing the end mass (25 force to push the tympanic membrane (7). The above is only a preferred embodiment to explain the creation, 2: for any of this creation The formal restriction is to make any modification or change to the creation of the creation under the creative spirit of =, f =
1250808 五、發明說明（8) 包括在本創作意圖保護之範疇。 第15頁 I··! 1250808 圖式簡單說明 【圖示說明】 〈第一圖〉為分離式助聽器之結構圖 〈第二圖〉為接收及致動裝置之架構圖 〈第三圖〉為以磁滯伸縮材料設計致動器之架構圖之一 〈第四圖〉為以磁滯伸縮材料設計致動器之架構圖之二 〈第五圖〉為以壓電材料設計致動器之架構圖之一 〈第六圖〉為以壓電材料設計致動器之架構圖之二 【圖號說明】 (1)活動式信號發射器 (2 )接收及致動裝置 (3) 耳殼 (4) 固定器 (5 )信號發射器 (6) 外聽道 (7) 鼓膜 (8) 感光二極體 (9) 致動器 (1 0 )線圈 (1 1 )磁滯伸縮材料 (1 2 )質量塊 (1 3 )多層複合懸臂樑 (1 4)質量塊 (1 5 )磁滯伸縮材料1250808 V. Description of invention (8) Included in the scope of protection of this creation. Page 15 I··! 1250808 Schematic description of the diagram [Illustration] <The first picture> is the structure diagram of the separate hearing aid <The second picture> is the structure diagram of the receiving and actuating device (the third picture) is One of the architectural diagrams of the hysteresis material design actuator (fourth diagram) is the architecture diagram of the actuator designed with hysteresis material. The fifth diagram is the architecture diagram of the actuator designed with piezoelectric material. One of the "sixth map" is the structure diagram of the actuator designed with piezoelectric material. [Figure number description] (1) movable signal transmitter (2) receiving and actuating device (3) ear shell (4) Fixer (5) Signal Transmitter (6) External Auditory (7) Tympanic membrane (8) Photosensitive diode (9) Actuator (10) Coil (1 1) Hysteresis material (1 2 ) Mass (1 3 ) Multi-layer composite cantilever beam (1 4) mass block (1 5 ) hysteresis expansion material
第16頁 1250808 圖式簡單說明 (1 6 )線圈 (1 7 )壓電材料 (1 8 )質量塊 (1 9 )上電極 (2 0 )下電極 (2 1)多層複合懸臂樑 (2 2 )上電極 (2 3 )下電極 (24) 壓電材料 (25) 質量塊 第17頁Page 16 1250808 Schematic description (1 6 ) Coil (1 7 ) Piezoelectric material (1 8 ) Mass (1 9 ) Upper electrode (2 0 ) Lower electrode (2 1) Multi-layer composite cantilever beam (2 2 ) Upper electrode (2 3 ) Lower electrode (24) Piezoelectric material (25) Mass block第17页
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108721777A (en) * | 2017-04-21 | 2018-11-02 | 财团法人交大思源基金会 | Artificial electronic ear device and stimulation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108721777A (en) * | 2017-04-21 | 2018-11-02 | 财团法人交大思源基金会 | Artificial electronic ear device and stimulation method thereof |
| CN108721777B (en) * | 2017-04-21 | 2021-12-31 | 财团法人交大思源基金会 | Artificial electronic ear device and stimulation method thereof |
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