CN106031666B - A kind of visual artificial cochlea electrode, system and preparation method thereof - Google Patents
A kind of visual artificial cochlea electrode, system and preparation method thereof Download PDFInfo
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- CN106031666B CN106031666B CN201510121289.7A CN201510121289A CN106031666B CN 106031666 B CN106031666 B CN 106031666B CN 201510121289 A CN201510121289 A CN 201510121289A CN 106031666 B CN106031666 B CN 106031666B
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Abstract
The invention discloses a kind of visual artificial cochlea electrode, system and preparation method thereof, wherein visual artificial cochlea electrode includes artificial cave electrode, visual part entrance, visual part, wherein, artificial cave electrode includes 22 32 shape of a saddle electrode contacts equidistantly arranged in a straight line, the colloidal silica that there is the wire electrode of insulating barrier on the surface being connected with electrode contacts and wraps up wire electrode and the electrode contacts first half；Visual part entrance is arranged on the colloidal silica of artificial cave electrode；Visual part is arranged on artificial cave electrode centers position, including can light and gather the probe of image, some fibre bundles；The front end of probe is beyond first 0.15mm of electrode contacts 0.1, and the artificial cave electrode is exposed at the rear portion of fibre bundle.The present invention can preferably grasp the position of artificial cochlea electrode implantation, direction, substantially reduce the subjective factor influence in implant surgery, improve artificial cochlea electrode implantation security and success rate.
Description
Technical field
The invention belongs to medical instruments field, more particularly to a kind of visual artificial cochlea electrode, system and preparation method thereof.
Background technology
Artificial cochlea is made up of i-coch implant, speech processor, microphone and conveyer.Sound is by wheat
Gram wind is converted into electric signal after receiving and is resent to speech processor amplifying signal, filter, and is sent to stimulation by conveyer
Device, the electric pulse of generation delivers to corresponding electrode contacts, so as to stimulate auditory nerve in cochlea to produce excited and pass acoustic information
Enter brain, produce the sense of hearing.In whole artificial cochlea system, artificial cochlea electrode is very important in artificial cochlear implant
Part.
Implant electrode is exactly accurately implanted into human body cochlea by most important link in Cochlear Implantation, including
Implantation depth, implantation direction etc..Current implant electrode typically uses micro-bend or pre-bending artificial cochlea electrode, and implantation Shi doctor needs
Feel the active force between human body cochlea and artificial cochlea and direction and rule of thumb judge whether implantation is accurate, so just
There is very big subjective impact to surgical outcome.
The content of the invention
The accuracy of artificial cochlea electrode implantation can be better ensured that the technical problem to be solved in the present invention is to provide a kind of,
The preparation method that reduction is implanted into visual artificial cochlea electrode, system and the electrode of risk.
To achieve these goals, technical scheme is as follows：A kind of visual artificial cochlea electrode, including artitificial ear
Snail implant electrode, visual part entrance, visual part, wherein,
The artificial cave electrode includes equidistantly 22-32 shape of a saddle electrode contacts arranged in a straight line, and described
There is the wire electrode of insulating barrier on the connected diameter 0.02-0.1mm surfaces of electrode contacts and by wire electrode and electrode contacts first half bag
The colloidal silica wrapped up in；
The visual part entrance is arranged on the colloidal silica of the artificial cave electrode；
The visual part is arranged on the artificial cave electrode centers position, including can light and gather image
Probe, some fibre bundles；The front end of the probe is beyond first electrode contacts 0.1-0.15mm, the rear portion of the fibre bundle
Expose the artificial cave electrode, visual part can be from affiliated colloidal silica after artificial cochlea electrode implantation process is completed
Extract out or stay in colloidal silica.
The probe of visual part can gather 0-120 ° of image；Some fibre bundles have biography light beam and coherent fiber bundle or simultaneously
Pass light and video beam.
Alternatively, the electrode contacts are with the wire electrode by being weldingly connected, and welding position is in the electrode contacts
Shape of a saddle cambered surface on the inside of.
Alternatively, the electrode contacts are connected with the wire electrode by electric resistance welding or Laser Welding.
Alternatively, the shape of a saddle cambered surface of the electrode contacts exposes colloidal silica, for being carried out to the i-coch nerve of human body
Electro photoluminescence.
Based on above-mentioned purpose, include the system of above-mentioned visual artificial cochlea electrode present invention also offers a kind of, including can
Depending on artificial cochlea electrode, adapter, light source, monitor, mobile vehicle, transmission line, wherein,
The left end of the adapter is connected with the fibre bundle of the visual part of the artificial cochlea electrode, right-hand member and transmission line
Connection, adapter realizes the signal interconnection between fibre bundle and transmission line；
The transmission line is respectively connected with the light source and monitor, and the light source sends optical signal by transmission line and turned
Joint inputs to the fibre bundle of the visual part of the artificial cochlea electrode, and optical signal is sent into probe by fibre bundle, visits
The image of the bright residing implantation environment of hair illumination, the then residing implantation environment of probe collection, light is passed through by the image collected
Fine beam and adapter send transmission line to, and image is input to monitor by transmission line, is shown image by monitor；
The mobile vehicle carrying light source and monitor.
Alternatively, the light source is cold light source；The adapter is the metal of thread or plug-in or fastener locking type
Set.
Based on above-mentioned purpose, present invention also offers a kind of preparation method of visual artificial cochlea electrode, including following step
Suddenly：
The platinumiridio piece of 10-30% iridium, 70-90% platinum is taken, thickness is pressed into 0.025-0.075mm；
Punching press is carried out to platinumiridio piece, 22-32 shape of a saddle electrode contacts are made；
Electrochemical polish and ultrasonic polishing are carried out to electrode contacts；
Take 22-32 root diameter 0.02-0.1mm surfaces to have the wire electrode of insulating barrier, welded one by one with 22-32 electrode contacts
Connect, the solder joint position after welding is rinsed；
It will be put into the electrode contacts that wire electrode is welded in the artificial cave electrode die of elongate cylindrical shape, electrode
Contact cambered surface down, is equidistantly arranged；
Silica gel is injected into mould to 40% depth；
After silica gel solidification, the visual part including probe, fibre bundle is put into mould, the probe of visual part front end surpasses
Go out first electrode contacts 0.1-0.15mm；
Silica gel is injected into mould and is in the artificial cave electrode of elongate cylindrical shape to mould, visual part is full of
Home position, silica gel curing molding.
Alternatively, the welding position of the electrode contacts and wire electrode is in the shape of a saddle cambered surface of the electrode contacts
Side.
Alternatively, the electrode contacts are connected with the wire electrode by electric resistance welding or Laser Welding.
Alternatively, the shape of a saddle cambered surface of the electrode contacts exposes silica gel.
The beneficial effects of the present invention are：Visual artificial cochlea electrode can monitor artificial cochlea electrode implantation process in real time
The key message such as the implantation depth of middle implant electrode and position, implements operation for doctor and provides accurate information, it is ensured that artitificial ear
The security and validity of snail implant electrode implantation, it is to avoid situations such as implantation is invalid or causes damage to human body cochlea, structure
Simply, easy to use, manufacture craft is uncomplicated, easily realizes.
Brief description of the drawings
Fig. 1 is the structural representation of the visual artificial cochlea electrode of the present invention；
Fig. 2 is Fig. 1 A-A profiles；
Fig. 3 is the anterior enlarged drawing of the visual artificial cochlea electrode of the present invention；
Fig. 4 is the structural representation of the visual artificial cochlea electrode system of the present invention；
Fig. 5 is the preparation method flow chart of steps of the visual artificial cochlea electrode of the present invention；
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Referring to Fig. 1-Fig. 3, a kind of visual artificial cochlea electrode, including artificial cave electrode 1, visual part entrance 2,
Visual part 3, wherein,
The artificial cave electrode 1 includes 22-32 shape of a saddle electrode contacts 13 equidistantly arranged in a straight line, with institute
Stating the connected surface of electrode contacts 13 has a wire electrode 14 of insulating barrier and wraps up wire electrode 14 and the first half of electrode contacts 13
Colloidal silica 11；
The visual part entrance 2 is arranged on the colloidal silica 11 of the artificial cave electrode 1；
The visual part 3 is arranged on the center of artificial cave electrode 1, including can light and gather image
Probe 31, some fibre bundles 32；The front end of the probe 31 is beyond first electrode contacts 0.1-0.15mm, the optical fiber
The artificial cave electrode 1 is exposed at the rear portion of beam 32, and visual part 3 can be from after artificial cochlea electrode implantation process is completed
Extract out or stay in colloidal silica 11 in affiliated colloidal silica 11.
The probe 31 of visual part 3 can gather 0-120 ° of image；Some fibre bundles 32 have biography light beam and coherent fiber bundle
Or light and video beam are passed simultaneously.
Further, the electrode contacts 13 are with the wire electrode 14 by being weldingly connected, and welding position is in the electricity
On the inside of the shape of a saddle cambered surface of pole contact 13.
Further, the electrode contacts 13 are connected with the wire electrode 14 by electric resistance welding or Laser Welding.
Further, the shape of a saddle cambered surface of the electrode contacts 13 exposes colloidal silica 11, for the i-coch god of human body
Through carrying out electro photoluminescence.
Corresponding with above-mentioned visual artificial cochlea electrode to be, further embodiment of this invention provides a kind of including above-mentioned visual
The system of artificial cochlea electrode, referring to Fig. 4, including visual artificial cochlea electrode, adapter 4, light source 6, monitor 5 is mobile to carry
Body 7, transmission line 8, wherein,
The left end of the adapter 4 is connected with the fibre bundle 32 of the visual part 3 of the artificial cochlea electrode, and right-hand member is with passing
Defeated line 8 is connected, and adapter 4 realizes the signal interconnection between fibre bundle 32 and transmission line 8；
The transmission line 8 is respectively connected with the light source 6 and monitor 5, and the light source 6 sends optical signal and passes through transmission line
8 and adapter 4 input to the artificial cochlea electrode visual part 3 fibre bundle 32, optical signal is passed by fibre bundle 32
Probe 31 is sent to, probe 31 is luminous to illuminate residing implantation environment, and then the image of the residing implantation environment of the collection of probe 31, will be adopted
The image collected sends transmission line 8 to by fibre bundle 32 and adapter 4, and image is input to monitor 5 by transmission line 8, by supervising
Control device 5 shows image；
The carrying light source 6 of mobile vehicle 7 and monitor 5.
Further, the light source 6 is cold light source；The adapter 4 is thread or plug-in or fastener locking type
Metallic sheath.
Corresponding with above-mentioned visual artificial cochlea electrode to be, further embodiment of this invention provides a kind of visual artificial cochlea
The preparation method of electrode, its flow chart comprises the following steps referring to Fig. 5：
S101, takes the platinumiridio piece of 10-30% iridium, 70-90% platinum, and thickness is pressed into 0.025-0.075mm；
S102, carries out punching press to platinumiridio piece, 22-32 shape of a saddle electrode contacts is made；
Electrode contacts are carried out electrochemical polish and ultrasonic polishing by S103；
S104, takes 22-32 root diameter 0.02-0.1mm surfaces to have the wire electrode of insulating barrier, with 22-32 electrode contacts one
One welding, is rinsed to the solder joint position after welding；
S105, the artificial cave electrode die of elongate cylindrical shape will be put into the electrode contacts that wire electrode is welded
In, electrode contacts cambered surface down, is equidistantly arranged；
S106, silica gel is injected into mould to 40% depth；
S107, after silica gel solidification, the visual part including probe, fibre bundle is put into mould, visual part front end
Probe is beyond first electrode contacts 0.1-0.15mm；
S108, silica gel is injected into mould to mould, visual part is full of and is in the artificial cave of elongate cylindrical shape
The home position of electrode, silica gel curing molding.
Further, the welding position of the electrode contacts and wire electrode is in the shape of a saddle cambered surface of the electrode contacts
Side.
Further, the electrode contacts are connected with the wire electrode by electric resistance welding or Laser Welding.
Further, the shape of a saddle cambered surface of the electrode contacts exposes silica gel.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (4)
1. a kind of preparation method of visual artificial cochlea electrode, it is characterised in that comprise the following steps：
The platinumiridio piece of 10-30% iridium, 70-90% platinum is taken, thickness is pressed into 0.025-0.075mm；
Punching press is carried out to platinumiridio piece, 22-32 shape of a saddle electrode contacts are made；
Electrochemical polish and ultrasonic polishing are carried out to electrode contacts；
Take 22-32 root diameter 0.02-0.1mm surfaces to have the wire electrode of insulating barrier, welded one by one with 22-32 electrode contacts, it is right
Solder joint position after welding is rinsed；
It will be put into the electrode contacts that wire electrode is welded in the artificial cave electrode die of elongate cylindrical shape, electrode contacts
Cambered surface down, is equidistantly arranged；
Silica gel is injected into mould to 40% depth；
After silica gel solidification, the visual part including probe, fibre bundle is put into mould, the probe of visual part front end is beyond the
One electrode contacts 0.1-0.15mm；
Silica gel is injected into mould and is in the center of circle of the artificial cave electrode of elongate cylindrical shape to mould, visual part is full of
Position, silica gel curing molding.
2. the preparation method of visual artificial cochlea electrode according to claim 1, it is characterised in that the electrode contacts with
The welding position of wire electrode is on the inside of the shape of a saddle cambered surface of the electrode contacts.
3. the preparation method of visual artificial cochlea electrode according to claim 1, it is characterised in that the electrode contacts with
The wire electrode is connected by electric resistance welding or Laser Welding.
4. the preparation method of visual artificial cochlea electrode according to claim 1, it is characterised in that the electrode contacts
Shape of a saddle cambered surface exposes silica gel.
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| CN201510121289.7A CN106031666B (en) | 2015-03-18 | 2015-03-18 | A kind of visual artificial cochlea electrode, system and preparation method thereof |
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| CN201510121289.7A CN106031666B (en) | 2015-03-18 | 2015-03-18 | A kind of visual artificial cochlea electrode, system and preparation method thereof |
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| CN106031666B true CN106031666B (en) | 2017-08-04 |
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| CN108837301B (en) * | 2018-05-09 | 2024-04-09 | 浙江诺尔康神经电子科技股份有限公司 | Micro-bending electrode for artificial cochlea and manufacturing method thereof |
| CN109939353B (en) * | 2019-03-12 | 2023-11-07 | 复旦大学附属眼耳鼻喉科医院 | Artificial cochlea implant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6125302A (en) * | 1997-09-02 | 2000-09-26 | Advanced Bionics Corporation | Precurved modiolar-hugging cochlear electrode |
| CN1613437A (en) * | 2004-12-07 | 2005-05-11 | 天津大学 | Optical fibre bending sensor for monitoring artificial cochlea electrode bending implantation and use thereof |
| CN103932822A (en) * | 2014-04-28 | 2014-07-23 | 中国科学院声学研究所 | Electrode array manufacturing method |
| CN204723216U (en) * | 2015-03-18 | 2015-10-28 | 浙江诺尔康神经电子科技股份有限公司 | A kind of visual artificial cochlea electrode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004002570A1 (en) * | 2002-06-28 | 2004-01-08 | Cochlear Limited | An optic fibre device |
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2015
- 2015-03-18 CN CN201510121289.7A patent/CN106031666B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6125302A (en) * | 1997-09-02 | 2000-09-26 | Advanced Bionics Corporation | Precurved modiolar-hugging cochlear electrode |
| CN1613437A (en) * | 2004-12-07 | 2005-05-11 | 天津大学 | Optical fibre bending sensor for monitoring artificial cochlea electrode bending implantation and use thereof |
| CN103932822A (en) * | 2014-04-28 | 2014-07-23 | 中国科学院声学研究所 | Electrode array manufacturing method |
| CN204723216U (en) * | 2015-03-18 | 2015-10-28 | 浙江诺尔康神经电子科技股份有限公司 | A kind of visual artificial cochlea electrode |
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