CN104622601B - A kind of artificial cochlea's cranked electrode and method for implantation thereof - Google Patents
A kind of artificial cochlea's cranked electrode and method for implantation thereof Download PDFInfo
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- CN104622601B CN104622601B CN201310548089.0A CN201310548089A CN104622601B CN 104622601 B CN104622601 B CN 104622601B CN 201310548089 A CN201310548089 A CN 201310548089A CN 104622601 B CN104622601 B CN 104622601B
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- cranked electrode
- flexible pipe
- cochlea
- electrode
- artificial cochlea
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- 210000003477 Cochlea Anatomy 0.000 title claims abstract description 83
- 238000002513 implantation Methods 0.000 title abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 44
- 210000003582 Temporal Bone Anatomy 0.000 claims abstract description 17
- 210000000214 Mouth Anatomy 0.000 claims abstract description 16
- 210000003284 Horns Anatomy 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 210000003128 Head Anatomy 0.000 claims abstract description 4
- 239000008119 colloidal silica Substances 0.000 claims abstract description 4
- 210000001138 Tears Anatomy 0.000 claims description 20
- 239000007943 implant Substances 0.000 abstract description 12
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 238000003780 insertion Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 210000001323 Spiral Ganglion Anatomy 0.000 description 6
- 210000004027 cells Anatomy 0.000 description 6
- 210000003027 Ear, Inner Anatomy 0.000 description 5
- 210000000959 Ear, Middle Anatomy 0.000 description 5
- 210000002768 hair cell Anatomy 0.000 description 5
- 206010011878 Deafness Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 210000000860 Cochlear Nerve Anatomy 0.000 description 2
- 206010011891 Deafness neurosensory Diseases 0.000 description 2
- 210000000883 Ear, External Anatomy 0.000 description 2
- 208000009966 Sensorineural Hearing Loss Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
- 230000004936 stimulating Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 210000001519 tissues Anatomy 0.000 description 2
- 210000003710 Cerebral Cortex Anatomy 0.000 description 1
- 210000003094 Ear Ossicles Anatomy 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Natural products NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 1
- 241001523405 Limax Species 0.000 description 1
- 210000000582 Semen Anatomy 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 231100000890 cochlea damage Toxicity 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 231100000895 deafness Toxicity 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 150000002333 glycines Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000000056 organs Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Abstract
The present invention provides a kind of artificial cochlea's cranked electrode, and including pole matrix, pole matrix is packaged into cranked electrode pole matrix body by colloidal silica after curving cochlea shape；Cranked electrode pole matrix body is provided with and makes its straight guiding flexible pipe, guides flexible pipe tail end and is provided with horn mouth, guides flexible pipe and has the tearable structure running through its head and the tail two ends.The present invention also provides for the method for implantation of artificial cochlea's cranked electrode: the horn mouth guiding flexible pipe tail end of artificial cochlea's cranked electrode props up the opening of human body temporal bone；At leisure artificial cochlea's cranked electrode is advanced to temporal bone inside by temporal bone opening, make guiding flexible pipe gradually be split by tearable structure, make cranked electrode pole matrix body gradually return to curved state, and fit like a glove with human body cochlea；Taken out from earhole by the guiding flexible pipe of cracking, then artificial cochlea's cranked electrode has been implanted again.Present configuration is simple, and it is convenient to implant, safe and reliable, and language resolution capability is strong, and power consumption is little, and service life is long.
Description
Technical field
The present invention relates to a kind of artificial organ and medical electric device thereof, particularly relate to a kind of artificial cochlea's cranked electrode and implantation thereof
Method.
Background technology
Human ear can be divided into external ear, middle ear and internal ear three part.The Main Function of external ear and middle ear be by external sound by tympanum and
3 piece auditory ossicles a sequence of with tympanum conduct to internal ear.Internal ear about Semen Glycines size, is similar to Crusta Limax, also known as cochlea.Have in cochlea
Several ten thousand i.e. hair cells of auditory perception cell, the acoustic energy transmitted from middle ear is converted into electrochemical energy and causes acous emerging by hair cell
Putting forth energy, acoustic information conduction is produced audition by acoustic nerve excitement in form of electricity to cerebral cortex.
The deafness caused due to inner ear hair cells pathological changes is sensorineural deafness, there is no effective Therapeutic Method at present.In for,
Severe sensorineural deafness, generally uses sonifer to amplify sound and improves one's hearing.But for there is no the anacusia patient of residual hearing
Then do not help much.Research shows, the pathological changes of most anacusia patients is predominantly located at the hair cell of internal ear, and mostly acoustic nerve has been
Alright.Artificial cochlea is exactly to utilize acoustic-electric transducer mount to replace the hair cell of loss of function in deaf person's cochlea, directly stimulates audition refreshing
Through making deaf person produce audition.Artificial cochlea includes device outside and et al. Ke device two parts, and device outside mainly includes speech
Processor, the signal transmission between device outside and et al. Ke device is completed by electromagnetic induction, is separated by for skin therebetween,
Wire is not had to connect.In whole artificial cochlea system, et al. Ke device is the part of most critical, and device outside is only passed through
It could realize the recovery of audition, and the electrod-array of paramount importance ingredient that is et al. Ke device.
At present, the electrode array union of artificial cochlea implanting device used in the world mainly has 2 kinds of versions, and one is straight electricity
Pole pole matrix, another kind is cranked electrode pole matrix, and owing to the structure of implant is different, therefore function aspects is the most each variant.Right
In normal cochlear structures, straight electrode pole matrix can not be the most identical with the spiral-shaped of cochlea, due to the elasticity of electrode self,
Whole pole matrix deflection cochlea is peripheral, causes stimulating current to spread, and power consumption is big, affects effect of stimulation, and easily extrudes in cochlea
Tissue, causes damage, and cranked electrode pole matrix initial condition is helical form cochlea, and it is thin closer to the spiral ganglion of cochlea
Born of the same parents, stimulate and more concentrate, can improve the resolution capability of language, and power consumption is little, and shortcoming is that it is inserted directly into when can not conveniently perform the operation
In cochlea.Same kind of products at abroad already allows for the convenience of implant surgery at present, utilizes assistive device to help during operation and carries out
Electrode inserts, and also has pre-buried support inner core in electrode array union, and during operation, the method supporting inner core is extracted on insertion limit in limit out, makes
In electrode array union is easy to implant into body.
Prior art uses pre-buried support inner core method in electrode array union, in the silica gel dorsad of electrode array union packaging body,
If a cylindrical hole grown as electrode array union, reach cranked electrode pole matrix by the support steel core in insertion cylindrical hole straight
Purpose.Cylindrical hole owing to supporting steel core to be inserted is long, the thinnest, and major part operating process is all in visually
Effect is not good state, does not sees the concrete situation of insertion so that insertion process is relatively difficult, supports the easy bending of steel core
Cause inserting unsuccessfully, the most easily puncture the packaging body silica gel of electrode array union, destroy the insulating coating between each electrode and affect and make
By effect, use very inconvenient.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problem to be solved in the present invention is to provide a kind of convenient operation to implant,
Operation implant after closer to spiral ganglion cell, good reliability, artificial cochlea's cranked electrode of length in service life of cochlea and plant
Enter method, to overcome the drawbacks described above of prior art.
In order to solve above-mentioned technical problem, the present invention provides a kind of artificial cochlea's cranked electrode, forms including by electrode slice and wire electrode
Pole matrix, described pole matrix is packaged as a whole by colloidal silica after curving cochlea shape, formed cranked electrode pole matrix body；
Being arranged with the guiding flexible pipe for straight described cranked electrode pole matrix body on described cranked electrode pole matrix body, described guiding is soft
Pipe includes the horn mouth guiding the tail end of hookah bodies and described guiding hookah bodies, and described guiding flexible pipe has and runs through its head and the tail two
The tearable structure of end.
Preferably, described tearable structure includes at least two gap being circumferentially all provided with on described bell-mouthed sidewall, Yi Jisuo
State guide on the sidewall of hookah bodies along described guiding flexible pipe axis direction, be connected with the gap on described bell-mouthed sidewall
At least two group tear lines.
Preferably, often organize described tear line and include the aperture along the uniform multiple trianglees of axis guiding flexible pipe.
Alternatively, often organize described tear line to include along multiple small sircle holes that the axis guiding flexible pipe is uniform.
Preferably, described guiding hookah bodies is the tapered tubular that tail end diameter is less.
Preferably, described cranked electrode pole matrix body is provided with the subring for operating theater instruments clamping.
The present invention also provides for the method for implantation of a kind of artificial cochlea's cranked electrode, comprises the following steps:
A, the horn mouth guiding flexible pipe tail end of described artificial cochlea's cranked electrode is propped up the opening of human body temporal bone；
B, at leisure described artificial cochlea's cranked electrode is advanced to temporal bone is internal by temporal bone opening, the tearable of described guiding flexible pipe
Split by bell-mouthed one end under the resistance of structure temporal bone around described opening；Along with continuing of described artificial cochlea's cranked electrode
Continuous propelling, the tearable structure of described guiding flexible pipe is gradually split, and makes described cranked electrode pole matrix body gradually return to curved state,
It coincide with spiral helicine cochlea, be attached on described helical form cochlea and advance inwards, until the tearable structure guiding flexible pipe is whole
Cracking, described artificial cochlea's cranked electrode is implanted and is put in place；
C, being taken out in earhole by the guiding flexible pipe ftractureed, the implantation of described artificial cochlea's cranked electrode completes.Preferably, in step
In rapid a, step b, clamp described subring by operating theater instruments, make operating theater instruments drive described artificial cochlea's cranked electrode first to support
Live the opening of human body temporal bone, then the human body completing described artificial cochlea's cranked electrode is implanted.
As it has been described above, a kind of artificial cochlea's cranked electrode of the present invention and method for implantation thereof, have the advantages that
Simple in construction, easy to use, artificial cochlea's cranked electrode implants the good reliability of effect, and safety is high, implants rear electrode more
Close to the spiral ganglion cell of cochlea, improve the resolution capability of language, and power consumption is little, it is ensured that implant electrode is energy in human body
The duty that enough long-term holdings are best, service life is long.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of artificial cochlea's cranked electrode of the present invention.
Fig. 2 is shown as artificial cochlea's cranked electrode of the present invention and removes the structural representation after guiding flexible pipe.
The structural representation guiding flexible pipe in the embodiment one of artificial cochlea's cranked electrode that Fig. 3 is shown as the present invention.
Fig. 4 is shown as the artificial cochlea's cranked electrode of the present invention view when implanting human body cochlea.
Element numbers explanation
100 cranked electrode pole matrix bodies
110 electrode slices
120 wire electrodes
130 subrings
200 guide flexible pipe
201 tear lines
210 horn mouths
211 gap
300 temporal bones
The opening of 301 temporal bones
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification
The content of dew understands other advantages and effect of the present invention easily.
Refer to Fig. 1 to Fig. 4.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to
Coordinating the content disclosed in description, understand for those skilled in the art and read, being not limited to the present invention can implement
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
Under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall at disclosed technology contents
Obtain in the range of containing.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle " and " one " etc.
Term, be merely convenient to understanding of narration, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or
Adjust, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
In view of, in prior art, straight electrode pole matrix can not be the most identical with the spiral-shaped of cochlea, whole pole matrix deflection ear
Snail is peripheral, causes stimulating current to spread, and power consumption is big, affects effect of stimulation, and easily extruding cochlea inner tissue, causes cochlea
Damage；And cranked electrode pole matrix initial condition is helical form, it stimulates more concentrate closer to the spiral ganglion cell of cochlea,
The resolution capability of language can be improved, and power consumption is little, but be inserted directly in cochlea when it can not conveniently be performed the operation, assistor to be utilized
Tool helps to carry out electrode insertion, or pre-buried support inner core in electrode array union during operation, because major part operating process is all in mesh
It not good state depending on effect so that insertion process is relatively difficult, is easily caused and inserts unsuccessfully, the most easily punctures electrode array
The packaging body silica gel of connection, destroys the insulating coating between each electrode and affects using effect, use very inconvenient.The present invention
Inventor by setting guiding flexible pipe on cranked electrode pole matrix body, make cranked electrode pole matrix body straight, it is simple to insert temporal bone
Opening in；Make that insertion process is reliable, safety by setting tear line on the sidewall guiding flexible pipe, make the electrode after implantation more
Close to the spiral ganglion cell of cochlea, improve the resolution capability of language, and power consumption is little, it is ensured that implant electrode is energy in human body
The duty that enough long-term holdings are best, service life is long.
By specific embodiment, artificial cochlea's cranked electrode and the method for implantation thereof of the present invention will be described in detail below.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of artificial cochlea's cranked electrode, including the pole battle array being made up of electrode slice 110 and wire electrode 120
Connection, described pole matrix is packaged as a whole by colloidal silica after curving cochlea shape, forms cranked electrode pole matrix body 100.
Being arranged with guiding flexible pipe 200 on described cranked electrode pole matrix body 100, described guiding flexible pipe 200 makes described cranked electrode pole
Battle array connection body 100 is straight.
Described guiding flexible pipe 200 includes the horn mouth 210 guiding the tail end of hookah bodies and described guiding hookah bodies, described loudspeaker
Mouth 210 is positioned at the outside of described cranked electrode pole matrix body 100.Described guiding flexible pipe 200 has and runs through its head and the tail two ends
Tearable structure.
The described tearable structure of the present embodiment one includes two gap 211 being circumferentially all provided with on the sidewall of described horn mouth 210,
And the gap along the axis direction and described bell-mouthed sidewall of described guiding flexible pipe on the sidewall of described guiding hookah bodies
The 211 two groups of tear lines 201 being connected.The gap 211 of the present embodiment one is set to two, and tear line 201 is set to two groups, it is therefore an objective to
After gap 211 and tear line 201 being torn apart, guiding flexible pipe 200 is made to split in half, so that guiding flexible pipe 200 from curved
Come off on electrode array union body 100, and cranked electrode pole matrix body 100 is without the straight effect of guiding flexible pipe 200, certainly
Move and revert to cochlea shape.Certainly, gap 211 can also be set to three or more, and correspondingly, tear line 201 can also be set to
Three groups or more groups, guiding flexible pipe 200 can be made equally to divide, make guiding flexible pipe 200 from cranked electrode pole matrix body 100
Come off；For no other reason than that artificial cochlea's cranked electrode of the present invention is to be implanted in the cochlea of human body, small-sized, gap 211 is set to
Two, tear line 201 is set to two groups, and relative gap and the size of tear line are programmable more relatively large, in order to manufacture
Molding.
The described tear line 201 of often organizing of the present embodiment one includes the aperture along the uniform multiple trianglees of axis guiding flexible pipe 200,
So that described guiding flexible pipe 200 is gradually split along the angle of the triangle of tear line 201 by the gap 211 of horn mouth 210
Open.Certainly, often organize described tear line 201 and can also be set to along the uniform multiple small sircle holes of axis guiding flexible pipe 200, or ellipse
Circular holes etc., as long as making described guiding flexible pipe 200 gradually can be split i.e. along tear line 201 by the gap 211 of horn mouth 210
Can.
Because described cranked electrode pole matrix body 100 is often the taper that tail end diameter is less, in order to make described guiding flexible pipe 200
Being sheathed on the surface of described cranked electrode pole matrix body 100 securely, the described guiding hookah bodies of the present embodiment one is that tail end is straight
The tapered tubular that footpath is less.
Firm in order to make artificial cochlea's cranked electrode of the present invention clamp in use, non-slip, increase the security reliability of operation,
The described cranked electrode pole matrix body 100 of the present embodiment one is provided with the subring 130 for operating theater instruments clamping.
As shown in Figure 4, the method for implantation of artificial cochlea's cranked electrode of the present embodiment one, comprise the following steps:
A, the horn mouth 210 guiding flexible pipe 200 tail end of described artificial cochlea's cranked electrode is propped up the opening of human body temporal bone 300
301；
B, being advanced to temporal bone 300 is internal by the opening 301 of temporal bone by described artificial cochlea's cranked electrode at leisure, described guiding is soft
By the gap 211 of horn mouth 210 under the resistance of the tearable structure of pipe 200 temporal bone 300 around described opening 301
Split；Along with the continuation of described artificial cochlea's cranked electrode advances, the corresponding tear line 201 on described guiding flexible pipe 200 sidewall
Gradually split by one end of horn mouth 210, make described cranked electrode pole matrix body 100 gradually return to curved state, with helical form
Cochlea coincide, be attached on described helical form cochlea and advance inwards, until guide flexible pipe 200 tearable structure all ftracture,
Described artificial cochlea's cranked electrode is implanted and is put in place；
C, being taken out in earhole by the guiding flexible pipe 200 ftractureed, the implantation of described artificial cochlea's cranked electrode completes.
It should be noted that in step a, step b of the present invention, in order to increase the security reliability of operation, make the present invention
Artificial cochlea's cranked electrode position be properly implanted in cochlea, and clamp in implantation process firm, non-slip, first should pass through
Guide flexible pipe 200 tearable structure and described cranked electrode pole matrix body 100 will the relative position relation (example of bending direction
As in embodiment one, two groups of tear line 201 symmetry arrangement, be positioned at will bend to cochlea shape described cranked electrode pole matrix this
The both sides of body 100, see Fig. 4), determine that operating theater instruments clamps the position of described subring 130, to ensure the present invention
Artificial cochlea's cranked electrode in implantation process, be attached at the cochlea of human body internal coiling shape；Then clamp described auxiliary by operating theater instruments
Help ring 130, make operating theater instruments drive described artificial cochlea's cranked electrode, allow described guiding flexible pipe 200 tail end horn mouth 210 first
Prop up the opening 301 of human body temporal bone 300, then the human body slowly completing described cranked electrode pole matrix body 100 is implanted.
In sum, artificial cochlea's cranked electrode simple in construction of the present invention, the method for implantation side of artificial cochlea's cranked electrode of the present invention
The most quick, safe and reliable, use the present invention to implant the electrode after cochlea closer to the spiral ganglion cell of cochlea, improve language
The resolution capability of speech, and power consumption is little, it is ensured that implant electrode can keep best duty, service life in human body for a long time
Long.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (7)
1. artificial cochlea's cranked electrode, it is characterised in that include the pole matrix being made up of electrode slice and wire electrode, described pole matrix
It is packaged as a whole by colloidal silica after curving cochlea shape, forms cranked electrode pole matrix body；
Being arranged with the guiding flexible pipe for straight described cranked electrode pole matrix body on described cranked electrode pole matrix body, described guiding is soft
Pipe includes the horn mouth guiding the tail end of hookah bodies and described guiding hookah bodies, and described guiding flexible pipe has and runs through its head and the tail two
The tearable structure of end, described tearable structure includes at least two gap being circumferentially all provided with on described bell-mouthed sidewall；Institute
State horn mouth for propping up the opening of human body temporal bone.
Artificial cochlea's cranked electrode the most according to claim 1, it is characterised in that: along described on the sidewall of described guiding hookah bodies
The axis direction guiding flexible pipe, at least two group tear lines being connected with the gap on described bell-mouthed sidewall.
Artificial cochlea's cranked electrode the most according to claim 2, it is characterised in that: often organize described tear line and include along guiding flexible pipe
The aperture of multiple trianglees that axis is uniform.
Artificial cochlea's cranked electrode the most according to claim 2, it is characterised in that: often organize described tear line and include along guiding flexible pipe
Multiple small sircle holes that axis is uniform.
5. according to described artificial cochlea's cranked electrode arbitrary in claim 1-4, it is characterised in that: on described cranked electrode pole matrix body
It is provided with the subring for operating theater instruments clamping.
6. according to described artificial cochlea's cranked electrode arbitrary in claim 1-4, it is characterised in that: described guiding hookah bodies is tail end
The tapered tubular that diameter is less.
Artificial cochlea's cranked electrode the most according to claim 6, it is characterised in that: described cranked electrode pole matrix body is provided with for hands
The subring of art apparatus clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548089.0A CN104622601B (en) | 2013-11-06 | A kind of artificial cochlea's cranked electrode and method for implantation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548089.0A CN104622601B (en) | 2013-11-06 | A kind of artificial cochlea's cranked electrode and method for implantation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104622601A CN104622601A (en) | 2015-05-20 |
| CN104622601B true CN104622601B (en) | 2016-11-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201768051U (en) * | 2010-07-29 | 2011-03-23 | 上海力声特医学科技有限公司 | Artificial cochlea pre-bent electrode polar array |
| CN202288625U (en) * | 2011-05-17 | 2012-07-04 | 上海华聆人工耳医疗科技有限公司 | Prebending type artificial cochlea electrode |
| CN203609544U (en) * | 2013-11-06 | 2014-05-28 | 复旦大学附属眼耳鼻喉科医院 | Artificial cochlea cranked electrode |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201768051U (en) * | 2010-07-29 | 2011-03-23 | 上海力声特医学科技有限公司 | Artificial cochlea pre-bent electrode polar array |
| CN202288625U (en) * | 2011-05-17 | 2012-07-04 | 上海华聆人工耳医疗科技有限公司 | Prebending type artificial cochlea electrode |
| CN203609544U (en) * | 2013-11-06 | 2014-05-28 | 复旦大学附属眼耳鼻喉科医院 | Artificial cochlea cranked electrode |
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