CN101744673B - Artificial cochlear implant device adopting multi-point loop electrode outside cochlea - Google Patents
Artificial cochlear implant device adopting multi-point loop electrode outside cochlea Download PDFInfo
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- CN101744673B CN101744673B CN 200810204681 CN200810204681A CN101744673B CN 101744673 B CN101744673 B CN 101744673B CN 200810204681 CN200810204681 CN 200810204681 CN 200810204681 A CN200810204681 A CN 200810204681A CN 101744673 B CN101744673 B CN 101744673B
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Abstract
The invention relates to an artificial cochlear implant device adopting a multi-point loop electrode outside a cochlea. The artificial cochlear implant device comprises a radio frequency transceiver, a decoding stimulator connected with the radio frequency transceiver, a 22 to 24-lead stimulating electrode connected with the decoding stimulator and at least two loop electrodes, wherein the radio frequency transceiver is inductively coupled to an external coil to be positioned by adopting a detachable positioning magnet; and the decoding stimulator is packaged in a multi-layer sealing structure. The artificial cochlear implant device improves the stimulation mode of the electrode, improves the stimulation effect of the electrode, and can form the most effective three-dimensional stimulation loop to the cochlea and stimulate residual auditory nerve cells to achieve better performance.
Description
Technical field
The present invention relates to a kind of Menas for inner planting artificial cochlea, particularly a kind of Menas for inner planting artificial cochlea that adopts the outer bull loop electrode of snail.
Background technology
Multiple tracks artificial cochlea's (have another name called: bionic ear, cochlear implant, cochlea are implanted) be audition science, information engineering, medical science, audiology, biomedicine, electronics, microelectric technique and micro-processing technology combine stride multi-disciplinary modern high technology product.It utilizes the acoustic-electric transducer mount to replace the hair cell of loss of function in deaf person's cochlea take people's whispered pectoriloquy analysis theories as the basis, directly stimulates auditory nerve with the programming Control electric current, reappears cochlea audition sense organ mechanism, and deaf residual people is recovered near normal audition.
Artificial cochlea system comprises two parts: one, speech processor, and referred to as outer device.Two, the decoding stimulator is implanted in people's the body, referred to as interior planting apparatus.External device (ED) receives and processing audio signal, by sending coil and implanted coil electromagnetic coupled, is transferred to interior planting apparatus.Interior planting apparatus typically comprises: electrod-array, and implanted coil and sealing protective device, electrod-array and implanted coil are attached on the sealing protective device, and the decoding stimulator circuitry is contained in the sealing protective device.
That carries out at present artificial cochlea's project abroad has countries such as Australia, Austria, the U.S., its starting early, product is relatively ripe, but its technical monopoly, valuable product, general patient and family can not accept at all, are not suitable for very much China's national situation.Domestic artificial cochlea's exploitation is started late, and product not yet comes into the market, and has the product structure of report simple, only can realize some basic functions of cochlea.Particularly aspect artificial cochlea's interior planting apparatus, its receptor efficient is low, and decoding stimulator function is few, and the encapsulation structure of decoding stimulator is simple, and the stimulus structure of electrode is simple, and effect is bad.
Summary of the invention
Purpose of the present invention is exactly the deficiency of mentioning in the prior art in order to overcome, and a kind of interior planting apparatus of novel artificial cochlea that adopts the outer bull loop electrode of snail, can improve electrode stimulating effect, reduction energy consumption that provides.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Menas for inner planting artificial cochlea that adopts the outer bull loop electrode of snail, the decoding stimulator that comprise RF transceiver, is connected with this RF transceiver, and be connected with this decoding stimulator 22～24 lead stimulating electrode and loop electrode, the detachable phase magnet of described RF transceiver utilization and external coil inductive location, described decoding stimulator is encapsulated in the Multi-layer sealing structure, it is characterized in that the number of described loop electrode is at least two.
Described loop electrode is an end band spheroid platinoiridita silk, the ball electrode that the other end links to each other with the decoding stimulator.
Described Multi-layer sealing structure comprises titanium shell annular seal space and the ceramic seal chamber that is arranged in this titanium shell annular seal space, and described titanium shell annular seal space comprises separate upper titanium shell annular seal space and lower titanium shell annular seal space, and the ceramic seal chamber is arranged in the titanium shell annular seal space.
The present invention increases to a plurality of by the number that makes loop electrode, not only improved the electrode stimulating mode, and has improved electrode stimulating effect and signal receiving performance, has reduced energy consumption; Be encapsulated in the Multi-layer sealing structure by the stimulator of will decoding, not only improved the sealing reliability of interior planting apparatus but also improved interplantation device product structure, increased product and implant adaptability, make more hommization of Menas for inner planting artificial cochlea.
Below with reference to accompanying drawing, give detailed explaination to other aspects of the present invention and advantage of the present invention.
Description of drawings
Figure 1A is according to a kind of structural representation that adopts the Menas for inner planting artificial cochlea of the outer bull loop electrode of snail of the present invention;
Figure 1B is according to a kind of structure cross-sectional schematic that adopts the Menas for inner planting artificial cochlea of the outer bull loop electrode of snail of the present invention;
Fig. 2 is according to a kind of decoding stimulation of adopting the Menas for inner planting artificial cochlea of the outer bull loop electrode of snail of the present invention
DeviceWith the electrode connection diagram;
Fig. 3 is according to a kind of decoding stimulator of the Menas for inner planting artificial cochlea of bull loop electrode outside the snail and connection diagram of radio frequency receiver of adopting of the present invention.
1.22～24 lead stimulating electrode among the figure, 2. bull loop ball electrode, 3. decoding stimulator, 4. medical silica-gel, 5. RF transceiver, 6. Multi-layer sealing structure, 7. phase magnet.
The specific embodiment
Please consult simultaneously Figure 1A and Figure 1B, as shown in the figure, according to the Menas for inner planting artificial cochlea of preferred embodiment of the present invention mainly by RF transceiver 5, the decoding stimulator 3 that is connected with RF transceiver 5, and be connected with this decoding stimulator 3 22～24 lead stimulating electrode 1 and bull loop electrode 2 compositions; Described decoding stimulator 3 is encapsulated in the Multi-layer sealing structure 6; Described RF transceiver 5 is by detachable phase magnet 7 and external coil inductive location, and this detachable phase magnet 7 is permanent magnet, and is with titanium shell sealed package, concentric with RF transceiver 5 annular coils; Described Menas for inner planting artificial cochlea is encapsulated in the medical silica-gel body 4; Described Multi-layer sealing structure 6 comprises upper titanium shell annular seal space and the lower titanium shell annular seal space of separate up-down structure, and the ceramic seal chamber is positioned on the titanium shell on the annular seal space titanium shell support, and decoding stimulation circuit 3 is encapsulated in the ceramic seal intracavity.
Please continue to consult Fig. 2, its decoding stimulator 3 and 22～24 that shows artificial cochlea's built-in is led the connection diagram of stimulating electrode 1 and bull loop electrode 2, as shown in the figure, 22～24 to lead stimulating electrode 1 be a linearly aligned electrode bundle, formed by silica- gel carrier 11 and 22～24 platinum electrode ring monomers 12, each platinum electrode ring monomer 12 is linked to each other with decoding stimulator 3 by the platinoiridita wire electrode 13 that is welded on its inwall, between mutually insulated, soft and high resilience, the outer bull loop electrode 2 of snail has more than two and two, one end is band spheroid platinoiridita silk 21, and the other end is ball electrode 22, and this ball electrode 22 links to each other with decoding stimulator 3.
Please continue to consult Fig. 3, it shows the connection diagram of decoding stimulator 3 with the RF transceiver 5 of artificial cochlea's built-in, and as shown in the figure, decoding stimulator 3 is connected with RF transceiver 5 by two splicing ears.
During work, 22～24 lead stimulating electrode 1 and the outer bull loop electrode 2 of snail links to each other in decoding stimulator 3 and the snail, utilize decoding stimulator 3 → snail interior 22～24 to lead the outer bull loop electrode 2 of stimulating electrode 1 → human body → snail → decoding stimulator 3, form systemic circulation and stimulate the loop.Specifically, radio frequency receiver 5 receives the acoustical signal that artificial cochlea's external voice processor is processed, and it is transferred to the decoding stimulator 3 that is encapsulated in Multi-layer sealing structure 6 bodies, the signal of 3 pairs of inputs of decoding stimulator is decoded, then decoded pulse signal is transferred to and is placed on 22～24 in the snail and leads stimulating electrode 1, utilize snail interior 22～24 to lead stimulating electrode and the effective three-dimensional stimulation of outer bull loop electrode 2 formation of snail loop, cochlea is formed the most effective three-dimensional loop that stimulates, stimulate cochlea relic coiling neuroganglion, and stimulus signal is formed the device outside feedback information.
The invention has the beneficial effects as follows, not only improved the electrode stimulating mode, improved electrode stimulating effect and signal receiving performance and improved interior planting apparatus sealing reliability, improved interplantation device product structure, increased product and implant adaptability, make more hommization of Menas for inner planting artificial cochlea.
In sum, although the present invention has disclosed preferred embodiment, those preferred embodiments are not to limit the present invention, the those of ordinary skill in this field, without departing from the spirit and scope of the present invention, can embody spirit of the present invention with other concrete form.Therefore protection scope of the present invention should be as the criterion with the scope that claim defines.
Claims (3)
1. one kind is adopted the snail Menas for inner planting artificial cochlea of bull loop electrode outward, it is characterized in that, comprise RF transceiver, the decoding stimulator that is connected with this RF transceiver, and be connected with this decoding stimulator 22～24 lead the outer bull loop electrode of stimulating electrode and snail, the detachable phase magnet of described RF transceiver utilization and external coil inductive location, described decoding stimulator is encapsulated in the Multi-layer sealing structure, the number of the outer bull loop electrode of described snail is at least two, and described Multi-layer sealing structure comprises titanium shell annular seal space and the ceramic seal chamber that is arranged in this titanium shell annular seal space.
2. the Menas for inner planting artificial cochlea of the outer bull loop electrode of employing snail according to claim 1 is characterized in that described loop electrode is an end band spheroid platinoiridita silk, the ball electrode that the other end links to each other with the decoding stimulator.
3. the Menas for inner planting artificial cochlea of the outer bull loop electrode of employing snail according to claim 1 is characterized in that described titanium shell annular seal space comprises separate upper titanium shell annular seal space and lower titanium shell annular seal space, and the ceramic seal chamber is arranged in the titanium shell annular seal space.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810204681 CN101744673B (en) | 2008-12-16 | 2008-12-16 | Artificial cochlear implant device adopting multi-point loop electrode outside cochlea |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810204681 CN101744673B (en) | 2008-12-16 | 2008-12-16 | Artificial cochlear implant device adopting multi-point loop electrode outside cochlea |
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| Publication Number | Publication Date |
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| CN101744673A CN101744673A (en) | 2010-06-23 |
| CN101744673B true CN101744673B (en) | 2013-03-20 |
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| CN 200810204681 Expired - Fee Related CN101744673B (en) | 2008-12-16 | 2008-12-16 | Artificial cochlear implant device adopting multi-point loop electrode outside cochlea |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104147695B (en) * | 2014-08-19 | 2016-01-13 | 浙江诺尔康神经电子科技股份有限公司 | A kind of zoopery acoustic nerve stimulating electrode, device and preparation method thereof |
| CN104688433A (en) * | 2015-03-23 | 2015-06-10 | 重庆大学 | Artificial cochlear bending electrode modified with PEDOT/CNT (3,4-ethylenedioxythiophene/carbon nanotubes) coating |
| CN107308543B (en) * | 2017-07-03 | 2024-02-02 | 浙江诺尔康神经电子科技股份有限公司 | Artificial cochlea magnet and device |
| CN108815699B (en) * | 2018-04-16 | 2024-06-07 | 浙江诺尔康神经电子科技股份有限公司 | Artificial cochlea implant with improved coil |
| RU2689757C1 (en) * | 2018-06-06 | 2019-05-28 | Открытое акционерное общество "Исток - Аудио Интернэшнл" | Receiver with induction loop |
| CN113499539A (en) * | 2021-06-30 | 2021-10-15 | 上海力声特医学科技有限公司 | Artificial cochlea implant |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261828Y (en) * | 1996-04-22 | 1997-09-10 | 上海医科大学附属眼耳鼻喉科医院 | Multi-path program controlled artificial cochlea |
| CN1861024A (en) * | 2006-06-09 | 2006-11-15 | 上海力声特医学科技有限公司 | Menas for inner planting artificial cochlea |
| US7194314B1 (en) * | 2003-08-15 | 2007-03-20 | Northwestern University | Cochlear implant including a modiolar return electrode |
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2008
- 2008-12-16 CN CN 200810204681 patent/CN101744673B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2261828Y (en) * | 1996-04-22 | 1997-09-10 | 上海医科大学附属眼耳鼻喉科医院 | Multi-path program controlled artificial cochlea |
| US7194314B1 (en) * | 2003-08-15 | 2007-03-20 | Northwestern University | Cochlear implant including a modiolar return electrode |
| CN1861024A (en) * | 2006-06-09 | 2006-11-15 | 上海力声特医学科技有限公司 | Menas for inner planting artificial cochlea |
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| CN101744673A (en) | 2010-06-23 |
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