CN101744672A - Encapsulating method for making cochlear prosthesis implanting device by utilizing vacuum extractor - Google Patents
Encapsulating method for making cochlear prosthesis implanting device by utilizing vacuum extractor Download PDFInfo
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- CN101744672A CN101744672A CN200810204680A CN200810204680A CN101744672A CN 101744672 A CN101744672 A CN 101744672A CN 200810204680 A CN200810204680 A CN 200810204680A CN 200810204680 A CN200810204680 A CN 200810204680A CN 101744672 A CN101744672 A CN 101744672A
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Abstract
The invention relates to an encapsulating method for making cochlear prosthesis implanting device by utilizing vacuum extractor. The method includes the following steps: step first, encapsulation of stimulating electrode in cochlear, namely a mould for encapsulating simulating electrode in cochlear prosthesis is prepared and the mould is utilized to encapsulate the simulating electrode in cochlear of the cochlear prosthesis implanting device, including encapsulation of simulating electrode and transition connector; step two, making of receiving and decoding simulator locating silica gel; step three, moulding encapsulating of cochlear prosthesis implanting device. The invention has the advantages that: bubble produced in encapsulating process of cochlear prosthesis implanting system can be effectively removed, encapsulation production of cochlear prosthesis implanting device can be rapidly completed in high quality, appearance is beautiful, surface is smooth, quality is good and stable, besides, the method is applicable to batch processing, and production efficiency of product is improved.
Description
[technical field]
The present invention relates to a kind of method for packing of Menas for inner planting artificial cochlea, particularly a kind of method for packing that utilizes vacuum extractor to make Menas for inner planting artificial cochlea.
[background technology]
Multiple tracks artificial cochlea's (have another name called: bionic ear, cochlear implant, cochlea are implanted) is the multi-disciplinary modern high technology product of striding that audition science, information engineering, medical science, audiology, biomedicine, electronics, microelectric technique and little processing branch learn a skill and combine.It is the auditory physiology mechanism according to people's ear, utilizes the method for electricity irritation to recover unique efficient apparatus of totally deaf people's audition.
The multiple tracks Menas for inner planting artificial cochlea is whole artificial cochlea's a critical component, is implanted in the human body all the life.Interior planting apparatus mainly contains the outer bull loop electrode of multi-level seal structure, intracochlear stimulation electrode and cochlea of receptor, phase magnet, decoding stimulator circuitry, encapsulation decoding stimulator circuitry and forms (seeing also Fig. 1 and Fig. 2), utilizes medical silica-gel that its organic assembling is as a whole.
At present, because the device of planting apparatus is many in forming, wherein also have part of devices extremely small, being connected much between device itself and device and the device all flexibly connects, and it is disconnected from each other between the parts that also have, conventional method for packing is difficult to each device is fixed by the desired position.
Moreover because medical silica-gel very easily produces bubble in encapsulation process, conventional method for packing also is difficult to head it off.
The 3rd because artificial cochlea's stimulating electrode was not only small, but also elongated, utilize the mould of conventional method for packing design, interior planting apparatus is difficult to the demoulding when the demoulding, and the surface that can pull the stimulating electrode product, when serious, even can draw bad stimulating electrode product.
In sum, because the characteristics that Menas for inner planting artificial cochlea itself is had, utilize conventional encapsulating mould and method for packing, product is easy to produce defectives such as scarce material, current mark, bubble, and inner each device of product also is difficult to fix encapsulation by the desired position, and, production efficient is extremely low, the planting apparatus quality is also unstable in the cochlea that encapsulates out, therefore, needs a kind of method of invention to make Menas for inner planting artificial cochlea.
[summary of the invention]
The objective of the invention is, a kind of method for packing that utilizes vacuum extractor to make Menas for inner planting artificial cochlea is provided.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of method for packing that utilizes vacuum extractor to make Menas for inner planting artificial cochlea may further comprise the steps:
The first step: the encapsulation of intracochlear stimulation electrode, utilize the method for evacuation, be equipped with a kind of artificial cochlea's internal stimulus electrode package mould, utilize this mould, carry out the encapsulation of Menas for inner planting artificial cochlea intracochlear stimulation electrode, comprise the encapsulation of stimulating electrode and transition connector;
Second step: the making of receive, the decoding stimulator being located silica gel, utilize the method for evacuation, be equipped with a kind of Menas for inner planting artificial cochlea reception, decoding stimulator location silica gel encapsulating mould, utilize this mould, produce reception, the decoding stimulator locate silica gel spare up and down, on the silica gel spare of location, include the multi-level seal structure of receptor, phase magnet, decoding stimulator circuitry, encapsulation decoding stimulator circuitry and the location of the outer bull loop electrode of cochlea;
The 3rd step: the molding encapsulation of Menas for inner planting artificial cochlea, utilize conventional method for packing, be equipped with a kind of Menas for inner planting artificial cochlea molding encapsulating mould, the reception that to make earlier, the decoding stimulator is located the lower mode cavity that silica gel spare is put into this mould down, at its silica gel typing surface-coated one deck same material medical silica-gel, intracochlear stimulation electrode and the receptor successively the first step made again, phase magnet, the decoding stimulator circuitry, the multi-level seal structure of encapsulation decoding stimulator circuitry, the outer bull loop electrode of cochlea is put into location silica gel assigned address respectively, put reception, location silica gel spare on the decoding stimulator, utilize this mould, to receive, on the decoding stimulator, under locate silica gel spare and press and to be bonded together, finish the encapsulation process of whole Menas for inner planting artificial cochlea.
Wherein, the first step, the encapsulation of intracochlear stimulation electrode reaches like this: a kind of intracochlear stimulation electrode package mould comprises counterdie, electrode locating device, patrix, sealing device, vacuum extractor and feed arrangement.
Described counterdie is provided with matched moulds guide pillar, locating hole, locked mode screw, " O " type circle seal groove, lower mode cavity, ball seal groove, stimulating electrode portals and the locating slot of electrode locating device.Wherein, lower mode cavity is positioned at the die joint centre position of counterdie, be the ladder half slot of elongate, an end connects the ball seal groove, and ball seal groove oblique portalling with the intravital stimulating electrode of counterdie down links to each other, near the lower mode cavity two ends, parallel with the lower mode cavity axis, have the electrode locating device locating slot, around the die joint lower mode cavity, have " O " type circle seal groove, match with patrix " O " type circle seal groove, place " O " RunddichtringO, in " O " type circle seal groove outside, around the counterdie, uniform locating hole and locked mode guide hole match with the locked mode through hole with the alignment pin of patrix, mould are up and down positioned cooperate and locked mode, locked mode utilizes soket head cap screw, the patrix lock is pressed together on the counterdie,, is furnished with the matched moulds guide pillar in four angular positions of counterdie, match with the Ccope closing machine guide hole, make things convenient for patrix to import counterdie smoothly.
Described patrix is provided with matched moulds guide hole, alignment pin, locked mode through hole, " O " type circle seal groove, upper cavity, ball seal groove, charging aperture, feed arrangement installing hole, bleeding point and vacuum extractor installing hole.Described charging aperture, bleeding point link to each other with the upper cavity two ends respectively, and feed arrangement installing hole, vacuum equipment installing hole link to each other with charging aperture and bleeding point respectively again.
Described electrode locating device by the locating piece on it, matches with the locating slot of counterdie electrode locating device, is entrenched on the counterdie.
Further, described patrix, electrode locating device and patrix form the required product die cavity of intracochlear stimulation electrode package, surface-coated one deck polytetrafluoroethylmaterial material of die cavity together.
Described vacuum extractor comprises mounting bracket, " O " RunddichtringO, extraction valve, mounting interface and vacuum pump, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the vacuum extractor installing hole of patrix, the side is equipped with extraction valve, and vacuum pump is connected on the mounting interface.
Described feed arrangement comprises mounting bracket, " O " RunddichtringO, inlet valve and plastic container, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the feed arrangement installing hole of patrix, and the side is equipped with inlet valve.
Sealing device comprises upper and lower mould place " O " RunddichtringO, feed arrangement " O " RunddichtringO, vacuum extractor " O " RunddichtringO and silica gel sealing spheroid, be assemblied in respectively on the ball seal groove of upper and lower mould " O " type seal groove, feed arrangement " O " type seal groove, vacuum extractor " O " type seal groove and upper and lower mould, the product die cavity is carried out vacuum seal.
The encapsulation concrete steps of intracochlear stimulation electrode: 1. raw material stirring, evacuation, medical silica-gel is mixed in proportion the back stirs, pour in the plastic container, put into vacuum drying oven, extract air in the silica gel; 2. the half-finished installation of intracochlear stimulation electrode, get intracochlear stimulation electrode semi-finished product, it is swung on the lower mode cavity of counterdie, the stimulating electrode of half-finished wire electrode one end by counterdie portals and passes outside the counterdie mold, the silica gel sealing spheroid snaps in the ball seal groove of counterdie, and electrode array union part and spring transition body portion are placed on the lower mode cavity of counterdie; 3. the half-finished location of intracochlear stimulation electrode is contained in the locating piece of electrode locating device on the counterdie locating slot, utilize electrode locating device with intracochlear stimulation electrode semi-finished product at counterdie lower mode cavity internal fixation; 4. " O " type circle is installed, " O " type circle is packed in " O " type circle seal groove on the counterdie; 5. matched moulds is got patrix, utilizes the matched moulds guide hole of patrix and the matched moulds guide pillar of counterdie, make things convenient for patrix to import counterdie smoothly, simultaneously, utilize the alignment pin of patrix and the locating hole of counterdie, patrix is installed on the counterdie, utilize the locked mode screw, by the locked mode screw of upper and lower mould, upper and lower mould is fixed, by upper die and lower die, location core, silica gel sealing spheroid and " O " type circle, form the matched moulds chamber of sealing, and the intracochlear stimulation electrode is fixed on the matched moulds intracavity; 6. the installation of vacuum extractor puts " O " type circle on the support with vacuum extractor, be installed on the vacuum extractor installing hole of patrix; 7. the installation of feed arrangement, " O " type circle is installed on the feed arrangement installing hole of patrix on the support casing with feed arrangement, closes inlet valve; 8. mould evacuation, the support that vacuum pump is installed in vacuum extractor are bled on the interface, utilize vacuum pump, extract the air of matched moulds intracavity, make the matched moulds intracavity form certain negative pressure; 9. inlet valve is opened in charging encapsulation, because the intracavity negative pressure, the silica gel in the plastic container flows into the matched moulds intracavity by the charging aperture of patrix, and filling forms the Vacuum Package of product in intracochlear stimulation electrode semi-finished product; 10. solidify, close inlet valve and extraction valve, take off vacuum pump, entire die is put into baking oven, heating cure; 11. die sinking, taking-up product take off feed arrangement and vacuum extractor, take off patrix and location core rod, take out the intracochlear stimulation electrode product, because matched moulds chamber surface-coated has polytetrafluoroethylmaterial material, product surface is smooth, not bonding with die cavity, make things convenient for the taking-up of product.
In second step, the making of receive, the decoding stimulator being located silica gel reaches like this: a kind of reception, decoding stimulator location silica gel encapsulating mould comprise upper die and lower die, sealing " O " type circle, vacuum extractor, feed arrangement.
Described counterdie is provided with alignment pin, locked mode screw, the difform lower mode cavity of " O " type circle seal groove and the left and right sides.Wherein, lower mode cavity is positioned at the left and right sides in the die joint centre position of counterdie, around the die joint lower mode cavity, have " O " type circle seal groove, match with patrix " O " type circle seal groove, place " O " RunddichtringO, in " O " type circle seal groove outside, around the counterdie, uniform locating hole and locked mode guide hole match with the locked mode through hole with the alignment pin of patrix, mould are up and down positioned cooperate and locked mode, locked mode utilizes soket head cap screw, and the patrix lock is pressed together on the counterdie.
Described patrix is provided with locating hole, locked mode through hole, " O " type circle seal groove, the difform upper cavity in the left and right sides, running channel, charging aperture, feed arrangement installing hole, bleeding point and vacuum extractor installing hole.Described running channel links to each other with the difform upper cavity in the left and right sides, link to each other in the middle of described charging aperture and the running channel, the feed arrangement installing hole links to each other with charging aperture, two bleeding points link to each other respectively with in the middle part of the difform upper cavity in the left and right sides, the vacuum equipment installing hole links to each other with bleeding point respectively again.
Further, the cavity surface of described patrix and counterdie formation applies one deck polytetrafluoroethylmaterial material.
Described vacuum extractor comprises mounting bracket, " O " RunddichtringO, extraction valve, mounting interface and vacuum pump, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the vacuum extractor installing hole of patrix, the side is equipped with extraction valve, and vacuum pump is connected on the mounting interface.
Described feed arrangement comprises mounting bracket, " O " RunddichtringO, inlet valve and plastic container, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the feed arrangement installing hole of patrix, and the side is equipped with inlet valve.
The concrete steps of receive, decoding stimulator location silica gel being made: 1. raw material stirring, evacuation, medical silica-gel is mixed in proportion the back stirs, pour in the plastic container, put into vacuum drying oven, extract air in the silica gel; 2. " O " type circle is installed, " O " type circle is packed in " O " type circle seal groove of counterdie; 3. matched moulds is got patrix, utilizes the alignment pin of patrix and the locating hole of counterdie, and patrix is installed on the counterdie, utilizes the locked mode screw, by the locked mode screw of upper and lower mould, upper and lower mould is fixed, and by upper die and lower die and " O " type circle, forms the matched moulds chamber of sealing; 4. the installation of vacuum extractor puts " O " type circle on the support with vacuum extractor, be installed on the vacuum extractor installing hole of patrix; 5. the installation of feed arrangement, " O " type circle is installed on the feed arrangement installing hole of patrix on the support casing with feed arrangement, closes inlet valve; 6. mould evacuation, the support that vacuum pump is installed in vacuum extractor are bled on the interface, utilize vacuum pump, extract the air of matched moulds intracavity, make the matched moulds intracavity form certain negative pressure; 7. inlet valve is opened in charging encapsulation, because the intracavity negative pressure, the silica gel in the plastic container flows into running channel by the charging aperture of patrix, by running channel, flows into the matched moulds intracavity respectively again, forms the Vacuum Package of product; 8. solidify, close inlet valve and extraction valve, take off vacuum equipment and feed arrangement, entire die is put into baking oven, heating cure; 9. die sinking, taking-up product, because matched moulds chamber surface-coated has polytetrafluoroethylmaterial material, product surface is smooth, and is not bonding with die cavity, makes things convenient for the taking-up of product.
The 3rd step: the molding encapsulation of Menas for inner planting artificial cochlea reaches like this: a kind of Menas for inner planting artificial cochlea molding encapsulating mould comprises base, counterdie, patrix and clamping apparatus.
Have alignment pin and clamping apparatus pole on the base, counterdie is fixed together by alignment pin on the base and base, patrix cooperates assembling by the alignment pin that passes counterdie again with counterdie, form the matched moulds chamber, the locked mode holder device is on the locked mode pole of bed die, by locked mode screw on the locked mode support, utilize the locked mode screw with patrix and counterdie locked mode, carry out the encapsulation of product.
The concrete steps of Menas for inner planting artificial cochlea molding encapsulation: 1. place reception, the decoding stimulator is location silica gel spare down, with the reception of making, the decoding stimulator is located the lower mode cavity that silica gel spare is put into this mould down, at its silica gel typing surface-coated one deck with the material medical silica-gel, 2. place artificial cochlea's interplantation device device, intracochlear stimulation electrode and the receptor successively the first step made, phase magnet, the decoding stimulator circuitry, the multi-level seal structure of encapsulation decoding stimulator circuitry, the outer bull loop electrode of cochlea is put into location silica gel assigned address respectively, 3. matched moulds, solidify, to place reception again, location silica gel spare is placed in down on the silica gel spare on the decoding stimulator, load onto patrix, utilize this mould clamping apparatus, to receive, on the decoding stimulator, under locate silica gel spare and press and to be bonded together, putting into baking oven is cured, 4. die sinking, take out product, finish the encapsulation process of whole Menas for inner planting artificial cochlea.
The invention has the advantages that: can effectively remove the bubble that produces in artificial cochlea's interplantation system in package process, fast, high-quality finishing installed encapsulation production in the artificial cochlea, good looking appearance, any surface finish, best in quality stable, and suitable batch machining needs promote production efficient.
[description of drawings]
Accompanying drawing 1 is a Menas for inner planting artificial cochlea three-dimensional exploded sketch map.
Accompanying drawing 2 is Menas for inner planting artificial cochlea structural representations in the prior art.
Accompanying drawing 3A is an intracochlear stimulation electrode package mould structure cutaway view of the present invention.
Accompanying drawing 3B is an intracochlear stimulation electrode package mould A-A structural representation of the present invention.
Accompanying drawing 3C is an intracochlear stimulation electrode package mould B-B structural representation of the present invention.
Accompanying drawing 4 is intracochlear stimulation electrode semi-finished product structure charts.
Accompanying drawing 5 is reception of the present invention, decoding stimulator location silica gel encapsulating mould structure chart.
Accompanying drawing 6 is Menas for inner planting artificial cochlea molding encapsulating mould structure charts of the present invention.
[specific embodiment]
Below in conjunction with accompanying drawing a kind of specific embodiment of utilizing vacuum extractor to make the method for packing of Menas for inner planting artificial cochlea provided by the invention is elaborated.
See also Fig. 3, the electrode package of intracochlear stimulation described in the present invention die device comprises patrix 10, counterdie 20, electrode locating device 30, mould location clamping apparatus, sealing device, vacuum extractor and feed arrangement.Wherein, patrix 10 die joint central authorities be formed with the ladder half slot 11 of elongate ', one end termination of ladder half slot 11 ' thicker connect ball seal groove 12 ', above the connecting portion axis, offer feed arrangement installing hole 13 and charging hole 14 from top to bottom successively, the axis top is offered vacuum extractor installing hole 15 and aspirating hole 16 from top to bottom successively near ladder half slot 11 ' thinner end, offer around ladder half slot 11 ' outside ellipse " O " type circle sealed groove 17 ', in " O " type circle sealed groove 17 ' outside, around the patrix 10, be evenly equipped with alignment pin 41 and locked mode guide hole 42, position around patrix 10 is evenly equipped with matched moulds guide hole 43.Counterdie 20 and patrix 10 opposite positions, offer the ladder half slot 11 ", ball seal groove 12 " of elongate, oval " O " type circle sealed groove 17 respectively ", the locating hole 51 that matches with patrix 10 alignment pins 41, the locked mode screw 52 that matches with patrix 10 locked mode guide holes 42, the matched moulds guide pillar 53 that matches with patrix 10 matched moulds guide holes 43; and at ball seal groove 12 " bottom offer stimulating electrode under oblique and portal 23, at ladder half slot 11 " near the two ends;, offer electrode locating device locating slot 24 respectively with the axis parallel position.During matched moulds, patrix 10, counterdie 20, product orientation device 30 form matched moulds chamber 11, coat intracochlear stimulation electrode semi-finished product 70; Ball seal groove 12 ' and 12 ", form ball seal groove 12, place the silica gel sealing spheroid 71 of intracochlear stimulation electrode semi-finished product 70; Oval " O " type circle sealed groove 17 ' and 17 ", form oval " O " type circle seal groove 17, place " O " RunddichtringO 61.
Mould location clamping apparatus is made up of alignment pin 41, locating hole 51, locked mode guide hole 42, locked mode screw 52, matched moulds guide hole 43, matched moulds guide pillar 53 and locked mode screw 54.
Vacuum extractor is made up of mounting bracket 81, " O " RunddichtringO 62, extraction valve 82, mounting interface 83 and vacuum pump.Wherein, mounting bracket 81 lower ends have " O " type seal groove, and " O " RunddichtringO 62 is enclosed within on " O " type seal groove of mounting bracket 81, and mounting bracket 81 matches with the vacuum extractor installing hole 15 of patrix 10, the side is equipped with extraction valve 82, and vacuum pump is connected on the mounting interface 83.
Feed arrangement is made up of mounting bracket 91, " O " RunddichtringO 63, inlet valve 92 and plastic container 93.Wherein mounting bracket 91 lower ends have " O " type seal groove, " O " RunddichtringO 63 is enclosed within on mounting bracket " O " the type seal groove, mounting bracket 91 matches with the feed arrangement installing hole 13 of patrix, and the side is equipped with inlet valve 92, and plastic container 93 sintering are on mounting bracket 91.
Sealing device is made up of " O " RunddichtringO 61, vacuum extractor " O " RunddichtringO 62, feed arrangement " O " RunddichtringO 63 and silica gel sealing spheroid 71.Be assemblied in respectively on ellipse " O " type circle seal groove 17, vacuum extractor " O " type seal groove, feed arrangement " O " type seal groove and the ball seal groove 12.Utilize above-mentioned mould can make as shown in Figure 4 intracochlear stimulation electrode semi-finished product.
See also Fig. 5, the stimulator location silica gel encapsulating mould device that receives described in the present invention, decodes comprises patrix 110, counterdie 120, sealing " O " type circle 130, mould location clamping apparatus, vacuum extractor and feed arrangement.Wherein, the left and right sides in patrix 110 die joint centre positions be formed with difform upper cavity 111 ', around upper cavity, offer ellipse " O " type circle sealed groove 112 ', in " O " type circle sealed groove 112 ' outside, around the patrix 110, be evenly equipped with locating hole 141 and locked mode guide hole 142, in upper cavity 111 ' centre position, the left and right sides, offer the running channel 113 that charging is provided, above running channel 113, offer feed arrangement installing hole 114 and charging hole 115 from top to bottom successively, upper cavity 111 ' above offer vacuum extractor installing hole 116 and aspirating hole 117 from top to bottom successively.Counterdie 120 and patrix 110 opposite positions, the alignment pin 151 that offers difform upper cavity 111 ", oval " O " type circle sealed groove 112 " respectively, matches with patrix 110 locating holes 141, the locked mode screw 152 that matches with patrix 110 locked mode guide holes 142.During matched moulds, patrix 110, counterdie 120 form matched moulds chamber 111; Oval " O " type circle sealed groove 112 ' and 112 ", form oval " O " type circle seal groove 112, place " O " RunddichtringO 130.
Mould location clamping apparatus is made up of locating hole 141, alignment pin 151, locked mode guide hole 142, locked mode screw 152 and locked mode screw 153.
Vacuum extractor is made up of mounting bracket 161, " O " RunddichtringO 131, extraction valve 162, mounting interface 163 and vacuum pump.Wherein, mounting bracket 161 lower ends have " O " type seal groove, and " O " RunddichtringO 131 is enclosed within on " O " type seal groove of mounting bracket 161, and mounting bracket 161 matches with the vacuum extractor installing hole 105 of patrix 100, the side is equipped with extraction valve 162, and vacuum pump is connected on the mounting interface 163.
Feed arrangement is made up of mounting bracket 171, " O " RunddichtringO 132, inlet valve 172 and plastic container 173.Wherein mounting bracket 171 lower ends have " O " type seal groove, " O " type sealing 132 is enclosed within on mounting bracket " O " the type seal groove, mounting bracket 171 matches with the feed arrangement installing hole 103 of patrix, and the side is equipped with inlet valve 172, and plastic container 173 sintering are on mounting bracket 171.
See also Fig. 6, the molding of Menas for inner planting artificial cochlea described in the present invention encapsulating mould device comprises base 200, patrix 210, counterdie 220 and clamping apparatus.Wherein, have alignment pin 201 and clamping apparatus pole 202 on the base 200; Counterdie 220 offers lower mode cavity 211 " and locating hole 212 ", locating hole 212 " to match with the alignment pin 201 on the base 200, counterdie 220 and base 200 is fixed together; Patrix 210 be formed with upper cavity 211 ' and locating hole 212 '; During matched moulds,, carry out matched moulds, form matched moulds chamber 211 between patrix 210 and the counterdie 220 by the locating hole on the patrix 210 212 ' match with alignment pin 201 on the base 200.
Clamping apparatus is made up of the locked mode pole 202 on the base 200, locked mode support 203, locked mode screw 204, by the locked mode screw on the locked mode support 203, utilizes locked mode screw 204 with patrix 210 and counterdie 220 locked modes, carries out the encapsulation of product.
A kind of detailed step that utilizes vacuum extractor to make artificial cochlea's interplantation device packing method of the present invention is as follows:
One, the encapsulation of intracochlear stimulation electrode: be equipped with a kind of artificial cochlea's internal stimulus electrode package mould, utilize the method for evacuation, carry out the encapsulation of intracochlear stimulation electrode;
1, raw material stirs, evacuation: medical silica-gel is mixed in proportion the back stirs, pour in the plastic container 93, again plastic container 93 is put into vacuum drying oven, extract bubble in the silica gel;
2, the installation of intracochlear stimulation electrode semi-finished product 70: get intracochlear stimulation electrode semi-finished product 70, the stimulating electrode of its wire electrode one end by counterdie 20 portalled 23 pass outside the mold of counterdie 20, silica gel sealing spheroid 71 snaps in the ball seal groove 12 of counterdie 20 " in, electrode array union part and spring transition body portion are placed in the ladder half slot 11 of counterdie 20 " on;
3, the location of intracochlear stimulation electrode semi-finished product 70: electrode locating device 30 is installed on the counterdie 20 by the locating slot 24 on locating piece and the counterdie 20, with intracochlear stimulation electrode semi-finished product 70 at counterdie 20 ladder half slots 11 " internal fixation;
4, " O " type circle 61 is installed: with pack into " O " type circle seal groove 17 on the counterdie of " O " type circle 61 " in;
5, matched moulds: get patrix 10, utilize the matched moulds guide hole 43 of patrix 10 and the matched moulds guide pillar 53 of counterdie 20, patrix 10 is imported counterdie 20 smoothly, simultaneously, utilize the alignment pin 41 of patrix 10 and the locating hole 51 of counterdie 20, patrix 10 is installed on the counterdie 20, utilize locked mode screw 54, by the locked mode screw 42,52 of upper and lower mould, upper and lower mould is fixed, by patrix 10, counterdie 20, electrode locating device 30, silica gel sealing spheroid 71 and " O " type circle 61, form the matched moulds chamber 11 of sealing, and intracochlear stimulation electrode semi-finished product 70 are fixed in the matched moulds chamber 11;
6, the installation of vacuum extractor: the support 81 of vacuum extractor is put " O " type circle 62, be installed on the vacuum extractor installing hole 15 of patrix 10;
7, the installation of feed arrangement: the support 91 of feed arrangement is put " O " type circle 63, be installed on the feed arrangement installing hole 13 of patrix 10, close inlet valve 92;
8, mould evacuation: vacuum pump is installed on the interface 83 of bleeding of vacuum extractor, utilizes vacuum pump, extract the air in the matched moulds chamber 11, make and form certain negative pressure in the matched moulds chamber 11;
9, the charging encapsulation: open inlet valve 92, because the intracavity negative pressure, the silica gel in the plastic container 93 flows in the matched moulds chamber 11 by the charging aperture 14 of patrix 10, and filling forms the Vacuum Package of product in intracochlear stimulation electrode semi-finished product 70;
10, solidify: close inlet valve 92 and extraction valve 82, take off vacuum extractor and feed arrangement, entire die is put into baking oven, heating cure;
11, die sinking, taking-up product: back out locked mode screw 54, take off patrix 10 and electrode locating device 30, take out packaged intracochlear stimulation electrode product.Because matched moulds chamber surface-coated has polytetrafluoroethylmaterial material, matched moulds chamber 11 smooth surfaces are not bonding substantially between product and the die cavity, make things convenient for the taking-up of product.
The making of two, receive, the decoding stimulator being located silica gel: be equipped with a kind of Menas for inner planting artificial cochlea reception, decoding stimulator location silica gel encapsulating mould, utilize the method for evacuation, produce reception, the upper and lower location of decoding stimulator silica gel spare, on the silica gel spare of location, include the multi-level seal structure of receptor, phase magnet, decoding stimulator circuitry, encapsulation decoding stimulator circuitry and the location structure of the outer bull loop electrode of cochlea.
1, raw material stirs, evacuation: medical silica-gel is mixed in proportion the back stirs, pour in the plastic container 173, again plastic container 173 is put into vacuum drying oven, extract bubble in the silica gel;
2, " O " type circle 130 is installed: with pack into " O " type circle seal groove 112 of counterdie 120 of " O " type circle 130 " in;
3, matched moulds: get patrix 110, utilize the locating hole 141 of patrix 110 and the alignment pin 151 of counterdie 120, patrix 110 is installed on the counterdie 120, utilize locked mode screw 153,, upper and lower mould is fixed by the locked mode screw 142,152 of upper and lower mould, by patrix 110, counterdie 120 and " O " type circle 130, form the matched moulds chamber 111 of sealing;
4, the installation of vacuum extractor: put " O " type circle 131 on the support 161 with vacuum extractor, be installed on the vacuum extractor installing hole 116 of patrix 110;
5, the installation of feed arrangement: the support 171 of feed arrangement is put " O " type circle 132, be installed on the feed arrangement installing hole 114 of patrix 110, close inlet valve 172;
6, mould evacuation: vacuum pump is installed in vacuum extractor bleeds on the interface 163, utilize vacuum pump, extract the air in the matched moulds chamber 111, make and form certain negative pressure in the matched moulds chamber 111;
7, the charging encapsulation: open inlet valve 172, because the intracavity negative pressure, the silica gel in the plastic container 173 flows into running channel 113 by the charging aperture 115 of patrix 110, by running channel 113, flows into respectively in the matched moulds chamber 111 again, forms the Vacuum Package of product;
8, products solidifying: close inlet valve 172 and extraction valve 162, take off vacuum equipment and feed arrangement, entire die is put into baking oven, heating cure;
9, die sinking, taking-up product: back out locked mode screw 153, take off patrix 110, take out packaged location silica gel product.Because matched moulds chamber 111 surface-coated have polytetrafluoroethylmaterial material, matched moulds chamber 111 smooth surfaces are not bonding substantially between product and the die cavity, make things convenient for the taking-up of product.
Three, the molding encapsulation of Menas for inner planting artificial cochlea: be equipped with a kind of Menas for inner planting artificial cochlea molding encapsulating mould, utilize general method for packing, the reception that to make earlier, the decoding stimulator is located the lower mode cavity that silica gel spare is put into this mould down, at its silica gel typing surface-coated one deck with the material medical silica-gel, intracochlear stimulation electrode and the receptor successively the first step made again, phase magnet, the multi-level seal structure of decoding stimulator circuitry, the outer bull loop electrode of cochlea is put into location silica gel assigned address respectively, put reception, location silica gel spare on the decoding stimulator, utilize this mould, to receive, on the decoding stimulator, under locate silica gel spare and press and to be bonded together, finish the encapsulation process of whole Menas for inner planting artificial cochlea.
1, place to receive, decoding stimulator location silica gel spare down: the reception that will make, decoding stimulator location silica gel spare (descending) are put into the lower mode cavity 211 of this lower mould 220 " on, at its silica gel spare typing surface-coated one deck with the material medical silica-gel;
2, place artificial cochlea's interplantation device device: the outer bull loop electrode of multi-level seal structure, cochlea of intracochlear stimulation electrode of successively first step being made and receptor, phase magnet, decoding stimulator circuitry, encapsulation decoding stimulator circuitry is put into the assigned address of location silica gel spare (descending) respectively;
3, matched moulds, curing: will place again reception, decoding stimulator location silica gel spare (on) be combined on the location silica gel spare (descending), the patrix 210 that closes utilizes this mould clamping apparatus, the upper and lower location silica gel spare pressure of the stimulator that receives, decodes is bonded together, puts into baking oven and be cured;
4, die sinking, taking-up product: back out locked mode screw 204, take off patrix 210, take out packaged location silica gel product.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; can also make some improvement and replenish, these improvement and replenish and also should be considered as protection scope of the present invention.
Claims (14)
1. method for packing that utilizes vacuum extractor to make Menas for inner planting artificial cochlea may further comprise the steps:
The first step: the encapsulation of intracochlear stimulation electrode, utilize the method for evacuation, be equipped with a kind of artificial cochlea's internal stimulus electrode package mould, utilize this mould, carry out the encapsulation of Menas for inner planting artificial cochlea intracochlear stimulation electrode, comprise the encapsulation of stimulating electrode and transition connector;
Second step: the making of receive, the decoding stimulator being located silica gel, utilize the method for evacuation, be equipped with a kind of Menas for inner planting artificial cochlea reception, decoding stimulator location silica gel encapsulating mould, utilize this mould, produce reception, the decoding stimulator locate silica gel spare up and down, on the silica gel spare of location, include the multi-level seal structure of receptor, phase magnet, decoding stimulator circuitry, encapsulation decoding stimulator circuitry and the location of the outer bull loop electrode of cochlea;
The 3rd step: the molding encapsulation of Menas for inner planting artificial cochlea, utilize conventional method for packing, be equipped with a kind of Menas for inner planting artificial cochlea molding encapsulating mould, the reception that to make earlier, the decoding stimulator is located the lower mode cavity that silica gel spare is put into this mould down, at its silica gel typing surface-coated one deck same material medical silica-gel, intracochlear stimulation electrode and the receptor successively the first step made again, phase magnet, the decoding stimulator circuitry, the multi-level seal structure of encapsulation decoding stimulator circuitry, the outer bull loop electrode of cochlea is put into location silica gel assigned address respectively, put reception, silica gel spare is located in going up of decoding stimulator, utilize this mould, to receive, on the decoding stimulator, under locate silica gel spare and press and to be bonded together, finish the encapsulation process of whole Menas for inner planting artificial cochlea.
2. method for packing according to claim 1, it is characterized in that: described intracochlear stimulation electrode package mould, comprise: counterdie, electrode locating device, patrix, sealing device, vacuum extractor and feed arrangement, described reception, decoding stimulator location silica gel encapsulating mould, comprise upper die and lower die, sealing " O " type circle, vacuum extractor, feed arrangement, described Menas for inner planting artificial cochlea molding encapsulating mould comprises base, counterdie, patrix and clamping apparatus.
3. method for packing according to claim 2, it is characterized in that: the counterdie in the described intracochlear stimulation electrode package mould is provided with the matched moulds guide pillar, locating hole, the locked mode screw, " O " type circle seal groove, lower mode cavity, the ball seal groove, stimulating electrode portals and the locating slot of electrode locating device, described lower mode cavity is positioned at the die joint centre position of counterdie, ladder half slot for elongate, one end connects the ball seal groove, ball seal groove oblique portalling with the intravital stimulating electrode of counterdie down links to each other, near the lower mode cavity two ends, parallel with the lower mode cavity axis, have the electrode locating device locating slot, around the die joint lower mode cavity, have " O " type circle seal groove and place " O " RunddichtringO, in " O " type circle seal groove outside, be provided with locating hole and locked mode guide hole around the counterdie, in four angular positions of counterdie, is furnished with the matched moulds guide pillar.
4. method for packing according to claim 2, it is characterized in that: have matched moulds guide hole, alignment pin, locked mode through hole, " O " type circle seal groove, upper cavity, ball seal groove, charging aperture, feed arrangement installing hole, bleeding point and vacuum extractor installing hole on the patrix in the described intracochlear stimulation electrode package mould, described charging aperture, bleeding point link to each other with the upper cavity two ends respectively, and feed arrangement installing hole, vacuum equipment installing hole link to each other with bleeding point with charging aperture respectively again.
5. method for packing according to claim 2 is characterized in that: the electrode locating device in the described intracochlear stimulation electrode package mould, by the locating piece on it, match with the locating slot of counterdie electrode locating device, and be entrenched on the counterdie.
6. method for packing according to claim 2, it is characterized in that: the vacuum extractor in the described intracochlear stimulation electrode package mould comprises mounting bracket, " O " RunddichtringO, extraction valve, mounting interface and vacuum pump, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the vacuum extractor installing hole of patrix, the side is equipped with extraction valve, and vacuum pump is connected on the mounting interface.
7. method for packing according to claim 2, it is characterized in that: the feed arrangement in the described intracochlear stimulation electrode package mould comprises mounting bracket, " O " RunddichtringO, inlet valve and plastic container, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the feed arrangement installing hole of patrix, and the side is equipped with inlet valve.
8. method for packing according to claim 2, it is characterized in that: the sealing device in the described intracochlear stimulation electrode package mould comprises " O " RunddichtringO, feed arrangement " O " RunddichtringO, vacuum extractor " O " RunddichtringO and the silica gel sealing spheroid at upper and lower mould place, is assemblied in respectively on the ball seal groove of upper and lower mould " O " type seal groove, feed arrangement " O " type seal groove, vacuum extractor " O " type seal groove and upper and lower mould.
9. method for packing according to claim 2, it is characterized in that: the counterdie that described Menas for inner planting artificial cochlea receives, the decoding stimulator is located in the silica gel encapsulating mould is provided with alignment pin, locked mode screw, the difform lower mode cavity of " O " type circle seal groove and the left and right sides, described lower mode cavity is positioned at the left and right sides in the die joint centre position of counterdie, around the die joint lower mode cavity, have " O " type circle seal groove and place " O " RunddichtringO, in " O " type circle seal groove outside, around the counterdie, uniform locating hole and locked mode guide hole.
10. method for packing according to claim 2, it is characterized in that: described Menas for inner planting artificial cochlea receives, patrix in the silica gel encapsulating mould of decoding stimulator location is provided with locating hole, the locked mode through hole, " O " type circle seal groove, the difform upper cavity in the left and right sides, running channel, charging aperture, the feed arrangement installing hole, bleeding point and vacuum extractor installing hole, described running channel links to each other with the difform upper cavity in the left and right sides, described charging aperture links to each other with running channel is middle, the feed arrangement installing hole links to each other with charging aperture, two bleeding points link to each other with difform upper cavity middle part, the left and right sides respectively, and the vacuum equipment installing hole links to each other with bleeding point respectively again.
11. method for packing according to claim 2, it is characterized in that: the vacuum extractor that described Menas for inner planting artificial cochlea receives, the decoding stimulator is located in the silica gel encapsulating mould comprises mounting bracket, " O " RunddichtringO, extraction valve, mounting interface and vacuum pump, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the vacuum extractor installing hole of patrix, the side is equipped with extraction valve, and vacuum pump is connected on the mounting interface.
12. method for packing according to claim 2, it is characterized in that: the feed arrangement that described Menas for inner planting artificial cochlea receives, the decoding stimulator is located in the silica gel encapsulating mould comprises mounting bracket, " O " RunddichtringO, inlet valve and plastic container, the mounting bracket lower end has " O " type seal groove, " O " RunddichtringO is enclosed within on mounting bracket " O " the type seal groove, mounting bracket is assemblied on the feed arrangement installing hole of patrix, and the side is equipped with inlet valve.
13. method for packing according to claim 2, it is characterized in that: described Menas for inner planting artificial cochlea molding encapsulating mould, comprise base, counterdie, patrix and clamping apparatus, have alignment pin and clamping apparatus pole on the described base, counterdie is fixed together by alignment pin on the base and base, patrix cooperates assembling by the alignment pin that passes counterdie again with counterdie, form the matched moulds chamber, and the locked mode holder device is on the locked mode pole of bed die.
14., it is characterized in that: surface-coated one deck polytetrafluoroethylmaterial material of each die cavity according to the described method for packing of claim 2.
Priority Applications (1)
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| CN2008102046803A CN101744672B (en) | 2008-12-16 | 2008-12-16 | Encapsulating method for making cochlear prosthesis implanting device by utilizing vacuum extractor |
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| CN2008102046803A CN101744672B (en) | 2008-12-16 | 2008-12-16 | Encapsulating method for making cochlear prosthesis implanting device by utilizing vacuum extractor |
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| CN101744672B CN101744672B (en) | 2011-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151874A (en) * | 2020-01-08 | 2020-05-15 | 上海力声特医学科技有限公司 | Sealing welding method of artificial cochlea decoding stimulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE225590T1 (en) * | 1993-07-01 | 2002-10-15 | Univ Melbourne | COCHLEAR IMPLANT DEVICES |
| US6011993A (en) * | 1998-04-30 | 2000-01-04 | Advanced Bionics Corporation | Method of making implanted ceramic case with enhanced ceramic case strength |
| CN100488473C (en) * | 2006-05-31 | 2009-05-20 | 复旦大学附属眼耳鼻喉科医院 | Full-implanting type artificial cochlea and method for making same |
| CN201139652Y (en) * | 2007-12-14 | 2008-10-29 | 上海力声特医学科技有限公司 | Packaging mold for cochlear implants |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151874A (en) * | 2020-01-08 | 2020-05-15 | 上海力声特医学科技有限公司 | Sealing welding method of artificial cochlea decoding stimulator |
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| CN101744672B (en) | 2011-09-21 |
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