CN103536375B - A kind of artificial cochlea's cranked electrode - Google Patents
A kind of artificial cochlea's cranked electrode Download PDFInfo
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- CN103536375B CN103536375B CN201310505615.5A CN201310505615A CN103536375B CN 103536375 B CN103536375 B CN 103536375B CN 201310505615 A CN201310505615 A CN 201310505615A CN 103536375 B CN103536375 B CN 103536375B
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Abstract
The invention discloses a kind of artificial cochlea's cranked electrode, the electrode body comprising electrode tip and be connected with electrode tip, described electrode tip comprises the first colloidal silica and is arranged in the contact electrode in the first colloidal silica, and contact electrode is connected with contact electrode silk; One end of electrode tip is electrode tip afterbody, and the other end of electrode tip is electrode tip head, and electrode tip head is provided with electrode tip bending section; Described electrode body comprises the second colloidal silica and is arranged on the loop electrode of the second colloidal silica outer surface, and loop electrode is connected with loop electrode silk; The coupling part of electrode tip and electrode body is provided with electrode furcation.The present invention is convenient to be connected with implanting instrument, good visual effect during implantation cochlea, and convenient safety is implanted to human body cochlea.
Description
Technical field
The present invention relates to a kind of electrode, particularly a kind of artificial cochlea's cranked electrode.
Background technology
Artificial cochlea is made up of i-coch implant, speech processor, mike and transporter.Sound is resent to speech processor by signal amplification, filtration by converting the signal of telecommunication after microphones to, and be sent to stimulator by conveyer, the electric pulse produced delivers to corresponding electrode contacts, thus stimulates acoustic nerve in cochlea produce excited and import acoustic information into brain, produces audition.In whole artificial cochlea system, artificial cochlea electrode is very important ingredient in artificial cochlear implant.
Artificial cochlea electrode used in the world divides straight electrode and the large class of cranked electrode two at present, straight electrode can not accomplish that nearly modiolus stimulates, cranked electrode is implanted inconvenient, if be not cannot implant in cochlea electrode Zhang Zhi before implantation, so mostly adopt the pre-buried support inner core when electrode array joins both at home and abroad, by a straight support inner core cranked electrode Zhang Zhi, during operation, insertion limit in limit is extracted out and is supported inner core, electrode inserts and supports steel core and extracts out synchronous, electrode inserts too fast easy damage cochlea or bending supports steel core, electrode inserted slow, supporting-core is extracted out and too fastly is easily made electrode tip hook back to be stuck in cochlea cannot replant in cochlea, owing to cannot turn back in electrode again after supporting-core extraction, electrode cannot insert cochlea again, can only more go to implant by transducer set implant, operation is caused to be interrupted, operating time is long, Cochlea is increased the weight of, in art, visual effect is also bad simultaneously, does not see the concrete situation of insertion, easily scratches electrode colloidal silica and wire electrode insulating barrier, make electric pole short circuit, owing to there being supporting-core, electrod-array is thick, is difficult to make very thin shape, affects implantation depth.
The contact that artificial cochlea electrode battle array connection used in the world at present adopts has three kinds, and one is spherical, and another kind is annular, also has one to be sheet shape.Spherical point contacts electrode array connection exposed area is little, and power consumption is large, stimulates insufficient.Ring contacts electrod-array is that whole circle stimulates, although exposed area is large, it is excited that it may cause the nerve beyond auditory nerve to produce, and impact stimulates object.Between sheet shape contact electrode battle array connection exposed area Jie joins with spherical point contacts electrode array and ring contacts electrode array, and not that whole circle stimulates.Prior art adopts sheet shape contact battle array connection, and stick to Silica Surface, surface area is little, and resistance value is high, easily comes off, and wire electrode Welding Structure reliability is not high, and solder joint region electrode silk does not cushion, and easily produces open circuit, and implant was lost efficacy.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and is conveniently connected with implanting instrument, good visual effect during implantation cochlea, and the convenient artificial cochlea's cranked electrode being implanted to human body cochlea.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of artificial cochlea's cranked electrode, the electrode body comprising electrode tip and be connected with electrode tip, described electrode tip comprises the first colloidal silica and is arranged in the contact electrode in the first colloidal silica, and contact electrode is connected with contact electrode silk; One end of electrode tip is electrode tip afterbody, and the other end of electrode tip is electrode tip head, and electrode tip head is provided with electrode tip bending section; Described electrode body comprises the second colloidal silica and is arranged on the loop electrode of the second colloidal silica outer surface, and loop electrode is connected with loop electrode silk; The coupling part of electrode tip and electrode body is provided with electrode furcation.
Further, the end of described electrode body is provided with electrode body bending section, and electrode body bending section is connected with electrode furcation.
Further, one end of described loop electrode silk is arranged in the second colloidal silica, and the other end of loop electrode silk exposes the second colloidal silica; Contact electrode silk is arranged in the second colloidal silica, and one end of contact electrode silk is arranged in the first colloidal silica, and the other end of contact electrode silk exposes the second colloidal silica.
Further, described electrode furcation is flat.
Further, the end of described electrode tip head is conically shape.
Further, the quantity of described contact electrode is 16 ~ 24; The quantity of contact electrode silk is 16 ~ 24; Contact electrode is mated with contact electrode silk.
Further, described loop electrode in a tubular form.
Further, one end of described contact electrode silk is free end, and the other end of contact electrode silk is link, and link is provided with rebate, and link is connected with contact electrode.
Further, described contact electrode silk is provided with helical structure.
Further, the cross section of described contact electrode is semi-toroidal shape, and contact electrode has cavity, and be double-decker, the silica gel solid of the first colloidal silica fixes in cavity.
Further, described link is arranged in contact electrode or is plugged in cavity.
Adopt artificial cochlea's cranked electrode of technique scheme, comprise the first colloidal silica due to described electrode tip and be arranged in the contact electrode in the first colloidal silica, contact electrode is connected with contact electrode silk; One end of electrode tip is electrode tip afterbody, and the other end of electrode tip is electrode tip head, and electrode tip head is provided with electrode tip bending section; Described electrode body comprises the second colloidal silica and is arranged on the loop electrode of the second colloidal silica outer surface, and loop electrode is connected with loop electrode silk; The coupling part of electrode tip and electrode body is provided with electrode furcation, is connected so convenient with implanting instrument, is conveniently implanted to human body cochlea; By electrode furcation, better to the visual effect of operative doctor during implantation cochlea.End due to described electrode body is provided with electrode body bending section, and electrode body bending section is connected with electrode furcation, so better to the visual effect of operative doctor when implanting cochlea.One end due to described loop electrode silk is arranged in the second colloidal silica, and the other end of loop electrode silk exposes the second colloidal silica; Contact electrode silk is arranged in the second colloidal silica, and one end of contact electrode silk is arranged in the first colloidal silica, and the other end of contact electrode silk exposes the second colloidal silica, so loop electrode silk and contact electrode silk arrangement convenience.Because described electrode furcation is flat, so facilitate grafting implanting instrument.End due to described electrode tip head is conically shape, so facilitate electrode tip to import cochlea, its guide effect, when electrode is implanted, resistance is less.Due to described loop electrode in a tubular form, so be easily installed on the second colloidal silica outer surface.One end due to described contact electrode silk is free end, and the other end of contact electrode silk is link, and link is provided with rebate, and link is connected with contact electrode, so tensile property is good.Because described contact electrode silk is provided with helical structure, so tensile property improves greatly.Because the cross section of described contact electrode is semi-toroidal shape, contact electrode has cavity, is double-decker, so fixed contact electrode is more firm.Be arranged in contact electrode due to described link or be plugged in cavity, so contact area is large, contacting better.
Accompanying drawing explanation
Fig. 1 is the structural representation of artificial cochlea's cranked electrode of the present invention.
Fig. 2 is A-A cross section view in Fig. 1.
Fig. 3 is B-B sectional view in Fig. 1.
Fig. 4 is the structural representation that contact electrode silk of the present invention is connected with contact electrode.
Fig. 5 is the structural representation of contact electrode silk of the present invention.
Detailed description of the invention
As shown in Figures 1 to 5, a kind of artificial cochlea's cranked electrode, the electrode body comprising electrode tip and be connected with electrode tip, the contact electrode 4 that described electrode tip comprises the first colloidal silica 3 and is arranged in the first colloidal silica 3, contact electrode 4 is connected with contact electrode silk 11; One end of electrode tip is electrode tip afterbody 6, and the other end of electrode tip is electrode tip head 1, and electrode tip head 1 is provided with electrode tip bending section 2; Described electrode body comprises the second colloidal silica 12 and is arranged on the loop electrode 9 of the second colloidal silica 12 outer surface, and loop electrode 9 is connected with loop electrode silk 10; The coupling part of electrode tip and electrode body is provided with electrode furcation 5, and electrode furcation 5 is arranged in and drives position near electrode tip afterbody 6; The end of electrode body is provided with electrode body bending section 7, and electrode body bending section 7 is connected with electrode furcation 5; One end of loop electrode silk 10 is arranged in the second colloidal silica 12, and the other end of loop electrode silk 10 exposes the second colloidal silica 12; Contact electrode silk 11 is arranged in the second colloidal silica 12, and one end of contact electrode silk 11 is arranged in the first colloidal silica 3, and the other end of contact electrode silk 11 exposes the second colloidal silica 12; Electrode furcation 5, in flat, facilitates grafting implanting instrument; The end of electrode tip head 1 is conically shape, and facilitate electrode tip to import cochlea, its guide effect, when electrode is implanted, resistance is less; The quantity of contact electrode 4 is 16 ~ 24; The quantity of contact electrode silk 11 is 16 ~ 24; Contact electrode 4 is mated with contact electrode silk 11; Loop electrode 9 in a tubular form; One end of contact electrode silk 11 is free end 14, and the other end of contact electrode silk 11 is link 15, and link 15 is provided with rebate 16, and link 15 is connected with contact electrode 4, and it is good that rebate 16 has tensile property; Contact electrode silk 11 is provided with helical structure 8, and tensile property improves greatly; The cross section of contact electrode 4 is semi-toroidal shape, and contact electrode 4 has cavity 13, is double-decker, and the silica gel solid of the first colloidal silica 3 fixes in cavity 13, and fixed contact electrode 4 is more firm; Link 15 is arranged in contact electrode 4 or is plugged in cavity 13.
Artificial cochlea's cranked electrode of the present invention, this cranked electrode is implanted in human body cochlea, electrode tip head 1 is for inserting cochlea, first colloidal silica 3 and the second colloidal silica 12 play the effect of carrier and insulation, electrode tip afterbody 6 facilitates implanting instrument to push away electrode tip, electrode furcation 5 is convenient to be connected with implanting instrument, the convenient cranked electrode of electrode body bending section 7 is implanted, loop electrode silk 10 is connected with stimulator respectively with contact electrode silk 11, contact electrode 4 contacts with human body cochlea, loop electrode 9 and contact electrode 4 body fluid by human body in human body forms loop, implanting instrument is facilitated to implant this artificial cochlea's cranked electrode.
Claims (4)
1. artificial cochlea's cranked electrode, the electrode body comprising electrode tip and be connected with electrode tip, is characterized in that: described electrode tip comprises the first colloidal silica and is arranged in the contact electrode in the first colloidal silica, and contact electrode is connected with contact electrode silk; One end of electrode tip is electrode tip afterbody, and the other end of electrode tip is electrode tip head, and electrode tip head is provided with electrode tip bending section; Described electrode body comprises the second colloidal silica and is arranged on the loop electrode of the second colloidal silica outer surface, and loop electrode is connected with loop electrode silk; The coupling part of electrode tip and electrode body is provided with electrode furcation; One end of described loop electrode silk is arranged in the second colloidal silica, and the other end of loop electrode silk exposes the second colloidal silica; Contact electrode silk is arranged in the second colloidal silica, and one end of contact electrode silk is arranged in the first colloidal silica, and the other end of contact electrode silk exposes the second colloidal silica; The other end of described contact electrode silk is free end, and one end of contact electrode silk is link, and link is provided with rebate, and link is connected with contact electrode; Described contact electrode silk is provided with helical structure; The cross section of described contact electrode is semi-toroidal shape, and contact electrode has cavity, is double-decker; Described link is arranged in contact electrode or is plugged in cavity; The end of described electrode body is provided with electrode body bending section, and electrode body bending section is connected with electrode furcation.
2. artificial cochlea's cranked electrode according to claim 1, is characterized in that: described electrode furcation is flat.
3. artificial cochlea's cranked electrode according to claim 1, is characterized in that: the end of described electrode tip head is conically shape.
4. artificial cochlea's cranked electrode according to claim 1, is characterized in that: described loop electrode in a tubular form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505615.5A CN103536375B (en) | 2013-10-23 | 2013-10-23 | A kind of artificial cochlea's cranked electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505615.5A CN103536375B (en) | 2013-10-23 | 2013-10-23 | A kind of artificial cochlea's cranked electrode |
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| Publication Number | Publication Date |
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| CN103536375A CN103536375A (en) | 2014-01-29 |
| CN103536375B true CN103536375B (en) | 2016-01-13 |
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| CN201310505615.5A Active CN103536375B (en) | 2013-10-23 | 2013-10-23 | A kind of artificial cochlea's cranked electrode |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932842B (en) * | 2014-05-14 | 2016-09-21 | 重庆大学 | Prebending type artificial cochlea electrode |
| CN104825250B (en) * | 2015-04-07 | 2017-04-12 | 上海力声特医学科技有限公司 | Artificial cochlea microbend electrode |
| CN114028710A (en) * | 2015-10-30 | 2022-02-11 | 科利耳有限公司 | Implantable stimulation assembly |
| CN110141782A (en) * | 2019-06-03 | 2019-08-20 | 浙江诺尔康神经电子科技股份有限公司 | Graphene oxide artificial cochlea electrode and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5443493A (en) * | 1989-09-22 | 1995-08-22 | Alfred E. Mann Foundation For Scientific Research | Cochlea stimulating electrode assembly, insertion tool, holder and method of implantation |
| US6125302A (en) * | 1997-09-02 | 2000-09-26 | Advanced Bionics Corporation | Precurved modiolar-hugging cochlear electrode |
| US6163729A (en) * | 1998-08-26 | 2000-12-19 | Advanced Bionics Corporation | Method of positioning an implantable cochlear electrode array within a cochlea |
| CN302233643S (en) * | 2012-05-25 | 2012-12-12 | 杭州诺尔康神经电子科技有限公司 | electrode contact |
| CN202751689U (en) * | 2012-08-21 | 2013-02-27 | 杭州诺尔康神经电子科技有限公司 | Implantable nerve stimulation electrode |
| CN203539490U (en) * | 2013-10-23 | 2014-04-16 | 杭州诺尔康神经电子科技有限公司 | Artificial cochlea cranked electrode |
-
2013
- 2013-10-23 CN CN201310505615.5A patent/CN103536375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5443493A (en) * | 1989-09-22 | 1995-08-22 | Alfred E. Mann Foundation For Scientific Research | Cochlea stimulating electrode assembly, insertion tool, holder and method of implantation |
| US6125302A (en) * | 1997-09-02 | 2000-09-26 | Advanced Bionics Corporation | Precurved modiolar-hugging cochlear electrode |
| US6163729A (en) * | 1998-08-26 | 2000-12-19 | Advanced Bionics Corporation | Method of positioning an implantable cochlear electrode array within a cochlea |
| CN302233643S (en) * | 2012-05-25 | 2012-12-12 | 杭州诺尔康神经电子科技有限公司 | electrode contact |
| CN202751689U (en) * | 2012-08-21 | 2013-02-27 | 杭州诺尔康神经电子科技有限公司 | Implantable nerve stimulation electrode |
| CN203539490U (en) * | 2013-10-23 | 2014-04-16 | 杭州诺尔康神经电子科技有限公司 | Artificial cochlea cranked electrode |
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| CN103536375A (en) | 2014-01-29 |
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Address after: Yuhang District, Hangzhou City, Zhejiang Province, 310011 West No. 1500 Building 1 room 325 Applicant after: Zhejiang Nurotron Neural Electronic Technology Co., Ltd. Address before: Yuhang District, Hangzhou City, Zhejiang Province, 310011 West No. 1500 Building 1 room 325 Applicant before: Hangzhou Nuorkang Neural Electronic Technology Co., Ltd. |
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