CN109985307A - A kind of preparation method of artificial cochlea electrode keel and electrode array connection - Google Patents
A kind of preparation method of artificial cochlea electrode keel and electrode array connection Download PDFInfo
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- CN109985307A CN109985307A CN201711478516.7A CN201711478516A CN109985307A CN 109985307 A CN109985307 A CN 109985307A CN 201711478516 A CN201711478516 A CN 201711478516A CN 109985307 A CN109985307 A CN 109985307A
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- electrode
- keel
- contacts
- artificial cochlea
- electrode contacts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0526—Head electrodes
- A61N1/0541—Cochlear electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Abstract
The present invention relates to the preparation methods that a kind of artificial cochlea electrode keel and electrode array join, including are stamped or cut out out electrode grid, process on electrode contacts micropore, welding electrode silk and electrode contacts, by the compacting of compacting jig and coating proper silica gel formation electrode keel.The above method provided by the invention can prepare general artificial cochlea electrode keel, suitable for the artificial cochlea electrode of different shapes, improve the consistency of product, improve the production efficiency of artificial cochlea, reduce enterprise's production cost.Especially after the advantage for making full use of precise machining process, laser processing technology, effect is more prominent.
Description
Technical field
The present invention relates to biomedical engineering bionics technical field, more particularly to a kind of artificial cochlea electrode keel and
The preparation method of electrode array connection.
Background technique
Artificial cochlea is made of i-coch implant electrode, speech processor, microphone and transmission device, and sound is by Mike
Wind is converted into electric signal and passes to speech processor again for signal amplification, filtering after receiving, and passes to receiver by conveyer, generates
Electric pulse be sent to corresponding contact, to stimulate i-coch gangliocyte, generate auditory nerve excited and by sound
Information is passed to brain, generates the sense of hearing.
Artificial cochlea includes device outside and et al. Ke device two parts, between device outside and et al. Ke device
Signal is transmitted through electromagnetic induction completion, is separated by for skin therebetween, connects without conducting wire.In entire artificial cochlea system
In, et al. Ke device is the part of most critical, and device outside only passes through the recovery that it is just able to achieve the sense of hearing, and cochlear electrode
Battle array connection is a mostly important component part of et al. Ke device.At present in cochlear electrode battle array connection process, extensive work
It needs to complete by artificial manual operations, consistency is poor, and especially the spacing positioning of electrode contacts is mostly manually micro-
It is operated under mirror, homogeneity of product is difficult to be guaranteed.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is at least that provide a kind of artificial cochlea electrode dragon
The preparation method of bone and electrode array connection, to improve the consistency of product.
In order to achieve the above objects and other related objects, an embodiment of the invention provides a kind of artificial cochlea electrode
Keel preparation method, comprising the following steps: electrode grid procedure of processing, through the stamping process or electrode grid is made in cutting technique, institute
Stating electrode grid includes the electrode contacts arranged at a certain distance, and the both ends of electrode contacts pass through cantilever respectively and two crossbeams connect
It connects；Capillary processing step processes micropore in one end of electrode contacts；Wire electrode welding step wears the connecting pin of wire electrode
The micropore is crossed, the free end of wire electrode is located at the side of electrode contacts, will be machined with one end of the electrode contacts of micropore and hangs
Arm disconnects, and will be machined with one end of the electrode contacts of micropore and folds to the other end of electrode contacts, by the connecting pin of wire electrode with
Electrode contacts weld together；Wire electrode bunchy step repeats wire electrode welding step, completes all electrode contacts and wire electrode
After welding, all wire electrodes are pooled together to form electrode tow；Electrode grid is placed on compacting by electrode keel forming step
On jig, the compacting jig includes module one and module two, if module one and module two are formed between after merging
Dry notch, notch spacing and the spacing of the electrode contacts on electrode grid match, each electrode contacts being placed on compacting jig
It is corresponding with notch respectively, groove type is made in electrode contacts indentation notch, all cantilevers and electrode contacts are disconnected, electrode is formed
Keel coat in electrode keel and proper silica gel and solidify, then separately module one and module two, and electrode keel are taken out.
In one embodiment, each electrode contacts on electrode grid include a long cantilever and a short cantilever, and
The long cantilever and short cantilever of adjacent two electrode contacts are alternately arranged, and the micropore is formed in electrode contacts close to the one of short cantilever
End.
In one embodiment, the Sheet Metal Forming Technology is precision punching process.
In one embodiment, the processing of the micropore uses laser boring technique.
In one embodiment, the cutting technique is laser cutting parameter.
In one embodiment, the connecting pin of the wire electrode penetrates above the micropore, by the company of wire electrode
Connect end and after electrode contacts weld together, it is above electrode contacts, a side of wire electrode from electrode contacts is curved to the other side
Roll over 180 degree.
In one embodiment, the wire electrode welding step further includes that electrode contacts are folded to the lap position at both ends
Weld together.
In one embodiment, the welding uses laser welding process.
In one embodiment, the disconnection of cantilever and electrode contacts uses laser cutting parameter.
In one embodiment, the present invention also provides a kind of artificial cochlea electrode battle arrays to join preparation method, including by basis
The electrode keel of aforementioned any artificial cochlea electrode keel preparation method preparation are placed in electrode package mold, and artificial cochlea is made
Electrode array connection.
The above method provided through the invention can prepare a kind of general artificial cochlea electrode keel, be suitable for not
With the artificial cochlea electrode of shape, the consistency of product is improved, improves the production efficiency of artificial cochlea, it is raw to reduce enterprise
Produce cost.Especially after the advantage for making full use of precise machining process, laser processing technology, effect is more prominent.
Detailed description of the invention
Fig. 1-9 is shown as each step schematic diagram of artificial cochlea electrode keel preparation method one embodiment of the present invention；
Figure 10 is shown as suppressing the structural schematic diagram of jig in the above embodiment of the present invention；
Figure 11 is shown as the enlarged diagram of the notch in the above embodiment of the present invention；
Figure 12 is shown as the enlarged diagram of the electrode contacts in the above embodiment of the present invention；
Figure 13 is shown as the enlarged diagram of the electrode keel in the above embodiment of the present invention；
Three kinds of electrode arrays connection that the artificial cochlea electrode battle array connection that Figure 14 is shown as the method for the present invention acquisition can be processed into shows
It is intended to.
Component label instructions
1 electrode contacts
2 cantilevers
3 crossbeams
4 micropores
5 wire electrodes
50 electrode tow
6 solder joints
7 is U-shaped curved
8 compacting jig modules one
9 compacting jig modules two
10 notches
11 electrode keel
12 straight electrodes
13 micro-bend electrodes
14 pre- cranked electrodes
15 electrode grids
16 compacting jigs
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that structure, ratio, size etc. depicted in this specification attached drawing, only to cooperate disclosed in specification
Content be not intended to limit the invention enforceable qualifications, therefore not so that those skilled in the art understands and reads
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing institute of the present invention
Under the effect of capable of generating and the purpose that can reach, the range that disclosed technology contents can be covered should all be still fallen in
It is interior.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also only just
In being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, without substantive change
Under more technology contents, when being also considered as the enforceable scope of the present invention.
The artificial cochlea electrode battle array connection of the method for the present invention preparation includes multiple electrodes contact, is respectively connected with one on electrode contacts
Root wire electrode, electrode contacts are arranged successively composition pole matrix before and after artificial cochlea electrode implantation direction, and pole matrix is by colloidal silica
It encapsulates integral.Electrode contacts surface exposure other than colloidal silica, between electrode contacts and electrode contacts and wire electrode and electricity
It is insulated from each other between polar filament.
Fig. 1-9 shows one embodiment of artificial cochlea electrode keel preparation method provided by the invention.The preparation side
Method the following steps are included:
Electrode grid procedure of processing, as shown in Figure 1, be made electrode grid by being stamped or cut out technique, raw materials can be with
It is platinum plate or platinumiridio plate etc., includes the electrode contacts 1 of left and right equidistant arrangement, each electrode contacts 1 in the electrode grid
It is connect respectively by two cantilevers 2 with two crossbeams 3, the interlaced arrangement preferably in its orientation of electrode contacts 1, i.e., each electricity
Pole contact 1 includes a long cantilever and a short cantilever, and the long cantilever of adjacent two electrode contacts 1 and short cantilever are alternately arranged,
Convenient for later period sizing adjustment center.Sheet Metal Forming Technology preferably uses precision punching process to improve machining accuracy, and cutting technique is optional
Select laser cutting parameter.
Capillary processing step, as shown in Fig. 2, processing micropore 4 in one end of electrode contacts.The Working position of micropore 4 is excellent
It is selected in close to one end of short cantilever.Since micropore size is smaller, the general < 0.1mm of diameter, therefore capillary processing is preferably using sharp
Light drilling technology, laser boring craft precision is high, and the aperture processed is small, and does not have burr, more conducively later period electrode
The welding of silk, and destruction will not be generated to wire electrode and its insulating coating.
Wire electrode welding step, as shown in figure 3, one end of wire electrode 5 is passed through the micropore on electrode contacts, remaining electrode
Silk stays on the left of electrode contacts, and the cantilever (being short cantilever in the present embodiment) and electrode contacts that will be close to micropore side disconnect, example
Technique is such as cut by laser or is cut using special cutter.As shown in Figures 4 and 5, by electrode contacts from disconnecting cantilever
One end is folded to the other end, then welds together wire electrode and electrode contacts.Finishing operations are prevented to be opened accidentally, preferably together
When by electrode contacts fold both ends lap position weld together.The position of solder joint 6 is as shown in Figure 5.Welding is preferably using sharp
Photocoagulation technique.Wire electrode gives laser in welding from the exposed part of micropore and ties.
Wire electrode bends step, as shown in fig. 6, above electrode contacts to the right by the wire electrode on the left of electrode contacts
Side double flat.Part of the wire electrode on the left of electrode contacts forms U-shaped curved 7, when wire electrode is pullled by external force, U-shaped curved 7
Stress can be effectively relieved, protect the connection reliability of solder joint.
Wire electrode bunchy step is completed all as shown in fig. 7, repeating wire electrode welding step and wire electrode bending step
Electrode contacts and wire electrode weld, and all wire electrodes pool together to form electrode tow 50.
Electrode grid 15 is placed on compacting jig 16, the compacting is controlled by electrode keel forming step as shown in FIG. 8 and 9
Tool includes compacting jig module 1 and compacting jig module 29, and module 1 and module 29 are formed between after merging
Several notches (suppressing notch enlarged drawing shown in jig structure schematic diagram and Figure 11 referring to Figure 10), notch spacing and electrode contacts
Spacing is identical.Each electrode contacts for being placed on the electrode grid on compacting jig are corresponding with notch respectively, and electrode contacts are pressed into slot
Mouthful, electrode contacts are pressed into groove type, such as C-shaped grooves (C-shaped grooves enlarged drawing shown in Figure 11), at this time wire electrode
Beam is located in the C-shaped grooves of electrode contacts, and all cantilevers and electrode contacts are disconnected, and forms electrode keel 11 (referring to Figure 12 institute
11 enlarged drawing of electrode keel shown), it coats and proper silica gel and solidifies in electrode keel 11, then separately module one and module
Two, electrode keel 11 are taken out.Proper silica gel refers to that each electrode contacts after being enough to make to disconnect all cantilevers become one herein
It is whole, and will not influence the sizing of later period encapsulated electrode.
As shown in figure 13, on the basis of above-mentioned electrode keel preparation method, electrode keel can be set according to process requirements
In different electrode package molds, straight electrode battle array connection 12, micro-bend electrode array connection 13, pre-bending electrode array connection 14 etc. is made.
The above method provided through the invention can prepare a kind of general artificial cochlea electrode keel, be suitable for not
With the artificial cochlea electrode of shape, the consistency of product is improved, improves the production efficiency of artificial cochlea, it is raw to reduce enterprise
Produce cost.Especially after the advantage for making full use of precise machining process, laser processing technology, effect is more prominent.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of artificial cochlea electrode keel preparation method, which comprises the following steps:
Electrode grid procedure of processing: through the stamping process or electrode grid is made in cutting technique, and the electrode grid includes at a certain distance
The electrode contacts of arrangement, the both ends of electrode contacts pass through cantilever respectively and connect with two crossbeams；
Capillary processing step: in one end of electrode contacts, micropore is processed；
Wire electrode welding step: the connecting pin of wire electrode is passed through into the micropore, the free end of wire electrode is located at electrode contacts
Side, the one end and cantilever that will be machined with the electrode contacts of micropore disconnect, and will be machined with one end of the electrode contacts of micropore to electricity
The other end of pole contact folds, and the connecting pin of wire electrode is welded together with electrode contacts；
Wire electrode bunchy step: repeating wire electrode welding step, after completing all electrode contacts and wire electrode welding, by all electricity
Polar filament pools together to form electrode tow；
Electrode keel forming step: electrode grid is placed on compacting jig, and the compacting jig includes module one and module two,
Module one and module two are formed with several notches between after merging, between the electrode contacts in notch spacing and electrode grid
Away from matching, each electrode contacts being placed on compacting jig are corresponding with notch respectively, electrode contacts indentation notch are made recessed
Groove profile disconnects all cantilevers and electrode contacts, forms electrode keel, and proper silica gel is coated in electrode keel and is solidified, so
Module one and module two are separated afterwards, and electrode keel are taken out.
2. artificial cochlea electrode keel preparation method according to claim 1, it is characterised in that:
Each electrode contacts on electrode grid include a long cantilever and a short cantilever, and the long cantilever of adjacent two electrode contacts
It is alternately arranged with short cantilever, the micropore is both formed in electrode contacts close to one end of short cantilever or long cantilever.
3. artificial cochlea electrode keel preparation method according to claim 1, it is characterised in that:
The Sheet Metal Forming Technology is precision punching process.
4. artificial cochlea electrode keel preparation method according to claim 1, it is characterised in that:
The processing of the micropore uses laser boring technique.
5. artificial cochlea electrode keel preparation method according to claim 1, it is characterised in that:
The cutting technique is laser cutting parameter.
6. artificial cochlea electrode keel preparation method according to claim 1, it is characterised in that:
The connecting pin of the wire electrode penetrates above the micropore, and the connecting pin of wire electrode and electrode contacts are welded on one
After rising, above electrode contacts, by wire electrode from a side of electrode contacts to other side double flat.
7. artificial cochlea electrode keel preparation method according to claim 1, it is characterised in that:
The wire electrode welding step further includes welding together the lap position that electrode contacts fold both ends.
8. artificial cochlea electrode keel preparation method according to claim 1 or claim 7, it is characterised in that:
The welding uses laser welding process.
9. artificial cochlea electrode keel preparation method according to claim 1, it is characterised in that:
The disconnection of cantilever and electrode contacts uses laser cutting parameter.
10. a kind of artificial cochlea electrode battle array joins preparation method, it is characterised in that:
According to claim 1, the electrode keel of -9 any artificial cochlea electrode keel preparation method preparations are placed in electrode envelope
In die-filling tool, artificial cochlea electrode battle array connection is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478516.7A CN109985307B (en) | 2017-12-29 | 2017-12-29 | Artificial cochlea electrode keel and electrode array manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478516.7A CN109985307B (en) | 2017-12-29 | 2017-12-29 | Artificial cochlea electrode keel and electrode array manufacturing method |
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| CN109985307A true CN109985307A (en) | 2019-07-09 |
| CN109985307B CN109985307B (en) | 2022-12-13 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6266568B1 (en) * | 1998-06-02 | 2001-07-24 | Advanced Bionics Corporation | Inflatable cochlear electrode array and method of making same |
| US6309410B1 (en) * | 1998-08-26 | 2001-10-30 | Advanced Bionics Corporation | Cochlear electrode with drug delivery channel and method of making same |
| US20040127968A1 (en) * | 2002-09-19 | 2004-07-01 | Kuzma Janusz A. | Cochlear implant electrode and method of making same |
| US20070128940A1 (en) * | 2003-12-08 | 2007-06-07 | Cochlear Limited | Cochlear implant assembly |
| US20110016710A1 (en) * | 2007-12-21 | 2011-01-27 | Fysh Dadd | Electrode array assembly |
| CN101970041A (en) * | 2007-11-16 | 2011-02-09 | 耳蜗有限公司 | Electrode array and method of forming an electrode array |
| US20110034969A1 (en) * | 2007-11-19 | 2011-02-10 | Capcelea Edmond D | Electrode array for a cochlear implant |
| US20110071596A1 (en) * | 2007-11-19 | 2011-03-24 | Sule Kara | Electrode contacts for a medical implant |
| CN106794342A (en) * | 2014-06-17 | 2017-05-31 | 先进仿生学股份公司 | The electrode assemblie that prevention for cochlea lead is reversed |
-
2017
- 2017-12-29 CN CN201711478516.7A patent/CN109985307B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6266568B1 (en) * | 1998-06-02 | 2001-07-24 | Advanced Bionics Corporation | Inflatable cochlear electrode array and method of making same |
| US6309410B1 (en) * | 1998-08-26 | 2001-10-30 | Advanced Bionics Corporation | Cochlear electrode with drug delivery channel and method of making same |
| US20040127968A1 (en) * | 2002-09-19 | 2004-07-01 | Kuzma Janusz A. | Cochlear implant electrode and method of making same |
| US20070128940A1 (en) * | 2003-12-08 | 2007-06-07 | Cochlear Limited | Cochlear implant assembly |
| CN101970041A (en) * | 2007-11-16 | 2011-02-09 | 耳蜗有限公司 | Electrode array and method of forming an electrode array |
| US20110034969A1 (en) * | 2007-11-19 | 2011-02-10 | Capcelea Edmond D | Electrode array for a cochlear implant |
| US20110071596A1 (en) * | 2007-11-19 | 2011-03-24 | Sule Kara | Electrode contacts for a medical implant |
| US20110016710A1 (en) * | 2007-12-21 | 2011-01-27 | Fysh Dadd | Electrode array assembly |
| CN106794342A (en) * | 2014-06-17 | 2017-05-31 | 先进仿生学股份公司 | The electrode assemblie that prevention for cochlea lead is reversed |
Non-Patent Citations (1)
| Title |
|---|
| 辜萍 等: "人工耳蜗电极设计策略和临床应用", 《中华耳科学杂志》 * |
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| CN109985307B (en) | 2022-12-13 |
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