CN209575514U - The silica gel packaging equipment of Neural stimulation electrodes - Google Patents

The silica gel packaging equipment of Neural stimulation electrodes Download PDF

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Publication number
CN209575514U
CN209575514U CN201822091206.6U CN201822091206U CN209575514U CN 209575514 U CN209575514 U CN 209575514U CN 201822091206 U CN201822091206 U CN 201822091206U CN 209575514 U CN209575514 U CN 209575514U
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China
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silica gel
groove
electrode
convex
mold
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CN201822091206.6U
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Chinese (zh)
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吴天准
赵赛赛
彭勃
张翊
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Shenzhen Institute of Advanced Technology of CAS
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Shenzhen Institute of Advanced Technology of CAS
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Abstract

The application discloses a kind of silica gel packaging equipment of Neural stimulation electrodes, which is characterized in that the Neural stimulation electrodes include electrode tip;The electrode tip is equipped with the stimulation unit that can be in contact with target nerve region;The silica gel packaging equipment includes: the mold with type chamber, and the type chamber is used to accommodate the electrode tip of the Neural stimulation electrodes;The mold is arranged to outside the electrode tip one silica gel sheath of injection molding in a manner of exposing at least partly described stimulation unit.The silica gel packaging equipment of Neural stimulation electrodes provided herein can form effective protection to Neural stimulation electrodes, and not interfere the stimulatory function of Neural stimulation electrodes.

Description

The silica gel packaging equipment of Neural stimulation electrodes
Technical field
This application involves the field of medical instrument technology more particularly to a kind of silica gel packaging equipment of Neural stimulation electrodes.
Background technique
Embedded nerve stimulator medically has a wide range of applications, such as artificial cochlea, artificial retina, refreshing brain electricity Stimulating system etc..Microelectrode as the important tool for disclosing nervous system working mechanism, treatment neurological disease etc., increasingly by People widely pay close attention to, it has also become current important research direction.
Active implantable medical equipment requires Neural stimulation electrodes and carries out to corresponding nerve cell during implantation Electro photoluminescence.By taking artificial retina as an example, artificial retina product is by substitution because of retinal pigment degeneration and age-related macular degeneration The function of the photosensory cell of caused retinal damage, such as by generating stimulus signal using stimulating electrode come to retina Gangliocyte or Beale's ganglion cells are stimulated, and retain intact pathways for vision using other, also can be in brain skin Layer generates light sensation, so as to partially restore the vision of patient.The stimulus signal that stimulating electrode generates just directly determines patient It is strong and weak in the light sensation that cerebral cortex generates.
Active implantable medical equipment after the implantation, electronic device is especially sensitive to the steam and oxygen of body fluid, for protect The performance and used life for demonstrate,proving electronic device, needs for electrode stimulating point to be exposed when needing to be packaged, and encapsulating, so as to Electrode stimulating point contact nerve cell generates stimulus signal, but existing packaging technology is complicated, is not easy to be implanted into after encapsulation. In addition, existing active implantable medical plant machinery intensity is low, service life is very influenced.
Utility model content
The purpose of the application is to provide a kind of silica gel packaging equipment of Neural stimulation electrodes, with can be to Neural stimulation electrodes Effective protection is formed, and does not interfere the stimulatory function of Neural stimulation electrodes.
The technical solution of the application is as follows:
A kind of silica gel packaging equipment of Neural stimulation electrodes, the Neural stimulation electrodes include electrode tip;The electrode tip Equipped with the stimulation unit that can be in contact with target nerve region;The silica gel packaging equipment includes: the mold with type chamber, the type Chamber is used to accommodate the electrode tip of the Neural stimulation electrodes;The mold is arranged to outside the electrode tip to expose at least portion Divide one silica gel sheath of mode injection molding of the stimulation unit.
As a preferred embodiment, the mold includes the first mold and the second mold;First mold is set There is the first groove for accommodating the electrode tip;Wherein, first groove matches with the electrode head shapes;
Second mold has the second groove that the type chamber is formed with first groove;First groove and institute It states at least one of second groove and is equipped with the convex in face of stimulation unit protrusion groove floor;The convex can will at least portion The stimulation unit covering is divided to block.
As a preferred embodiment, the electrode tip is equipped with opposite facing first surface and second surface;It is described Stimulation unit includes two electrode stimulating regions being respectively arranged in the first surface and second surface;The electrode stimulating area Domain is equipped with multiple electrodes point;Wherein,
The area of the convex is not less than the area in the electrode stimulating region.
As a preferred embodiment, the groove floor of first groove is equipped with the convex;Described second is recessed The groove floor of slot is not provided with the convex.
As a preferred embodiment, the groove floor of first groove and second groove is equipped with described dash forward Platform.
As a preferred embodiment, the convex is equipped with edge and convex protrusion direction opposite direction recess Recessed portion;The convex forms retaining wall in the side of the recessed portion.
As a preferred embodiment, the electrode tip is equipped with for the Neural stimulation electrodes to be positioned at eyeball On location hole;Wherein, first groove is equipped with the positioning protrusion for being inserted into the location hole.
The utility model has the advantages that
The silica gel packaging equipment of Neural stimulation electrodes in present embodiment passes through the electrode tip note in Neural stimulation electrodes It is moulded into one silica gel sheath of type, can be improved the mechanical strength of Neural stimulation electrodes, prevents from generating mechanical damage in implantation process, and And implanting, silica gel sheath can also play a very good protection to Neural stimulation electrodes, promote Neural stimulation electrodes Service life;Meanwhile the silica gel sheath stimulation unit on electrode tip can be exposed, and carry out convenient for stimulation unit to nerve cell Electro photoluminescence has no effect on the normal stimulus function of Neural stimulation electrodes.
Referring to following description and accompanying drawings, the particular implementation of the utility model is disclosed in detail, specifies practical Novel principle can be in a manner of adopted.It should be understood that the embodiments of the present invention in range not thus by Limitation.In the range of the spirit and terms of appended claims, the embodiments of the present invention includes many changes, modifications With it is equivalent.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those skilled in the art, without any creative labor, It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the partial structure diagram for the Neural stimulation electrodes that a kind of embodiment of the application provides;
Fig. 2 is the mold to Fig. 1 encapsulation;
Fig. 3 is the second mold schematic diagram of Fig. 2;
Fig. 4 is the partial enlarged view of Fig. 3;
Fig. 5 is the first mold schematic diagram of Fig. 2;
Fig. 6 is the partial enlarged view of Fig. 5;
Fig. 7 is the status diagram that a kind of embodiment of the application encapsulates electrode tip bilateral;
Fig. 8 is the mold cavity schematic diagram that a kind of embodiment of the application provides;
Fig. 9 is the status diagram that Fig. 8 encapsulates electrode tip bilateral;
Figure 10 is artificial retina implant structural schematic diagram provided by a kind of embodiment of the application.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work The range of the utility model protection all should belong in example.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element Or there may also be another elements placed in the middle.When an element is considered as " connection " another element, it be can be directly It is connected to another element in succession or may be simultaneously present another element placed in the middle.Term as used herein " vertically ", " water It is flat ", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" packet Include any and all combinations of one or more related listed items.
Fig. 1 is please referred to Figure 10.A kind of silica gel packaging side of Neural stimulation electrodes 100 is provided in the application embodiment Method.Wherein, the Neural stimulation electrodes 100 are applied to one of following implant: pacemaker, artificial retina, artitificial ear Snail, defibrillator, vagus nerve stimulator, spinal stimulator, carotid sinus egersimeter, bladder pacemaker, stomach stimulator and Deep brain stimulation device.
As shown in Figure 1.The Neural stimulation electrodes 100 include electrode tip 102.The electrode tip 102 is equipped with energy and target The stimulation unit that neurological region is in contact.When Neural stimulation electrodes 100 are applied to artificial retina implant, stimulation unit can be with eye Ball is in contact.
The silica gel packaging method includes: outer in a manner of exposing at least partly described stimulation unit in the electrode tip 102 One silica gel sheath 103 of injection molding.
Silica gel packaging method in present embodiment passes through 102 injection molding one of electrode tip in Neural stimulation electrodes 100 Silica gel sheath 103 can be improved the mechanical strength of Neural stimulation electrodes 100, prevent from generating mechanical damage in implantation process, and And implanting, silica gel sheath 103 can also play a very good protection to Neural stimulation electrodes 100, extend nerve stimulation The service life of electrode 100;Meanwhile the silica gel sheath 103 stimulation unit on electrode tip 102 can be exposed, convenient for stimulation Portion carries out electro photoluminescence to nerve cell, has no effect on the normal stimulus function of Neural stimulation electrodes 100.
Silica gel packaging method in present embodiment is encapsulated electrode tip 102 using silica gel sheath 103, avoids nerve stimulation electric The electrode plate of pole 100 is contacted with body fluid, and electrode plate and body fluid are isolated, and is protected the normal work of Neural stimulation electrodes 100, is prolonged Long life.
In the application embodiment, silica gel sheath 103 is made of the silica gel with bio-compatible performance.Correspondingly, note Neural stimulation electrodes 100 after modeling have bio-compatibility, can be chronically implanted.Test result is as follows shown in table 1:
1 cell of table is with respect to appreciation rate (RGR) and toxic reaction classification result
In the present embodiment, Neural stimulation electrodes 100 include electrode plate.One end of electrode plate is equipped with multiple electrodes point and is formed Electrode tip 102.Correspondingly, the free end of electrode plate forms electrode tip 102.The span line 101 of the electrode tip 102 of electrode plate connection Width can be less than the width of electrode tip 102 (length of the left and right directions when scope of readers is to Fig. 1 is width).For to nerve Stimulating electrode 100 carries out complete preservation, and span line 101 can also be packaged with silica gel sheath, and the application does not make particularly to limit.
When target nerve region is located on eyeball, to make electrode tip 102 and eyeball that there is preferable compactness, with tool There is preferable neurostimulation effect, electrode tip 102 can be arcuate structure.Specifically, the arc radius of electrode tip 102 is 13mm-15mm.So that the close palette of electrode tip 102 is on eyeball, so that being located in the groove of silica gel sheath 103 Electrode points are sealed between silica gel sheath 103 and eyeball and directly contact with retina, prolong the service life.
In the application embodiment, the electrode tip 102 is equipped with opposite facing first surface and second surface.The thorn Sharp portion includes two electrode stimulating regions 104 being respectively arranged in the first surface and second surface.The electrode stimulating Region 104 is equipped with multiple electrodes point.Electrode stimulating region 104 is remained basically stable with first surface or second surface, is formed rough Planar structure.
Correspondingly, the silica gel packaging method includes: outer to expose at least one described electrode thorn in the electrode tip 102 Swash one silica gel sheath 103 of mode injection molding in region 104.
The electrode points in electrode stimulating region 104 can be arranged in array.Silica gel is formed by by the silica gel packaging method Set 103 has recess region, and electrode stimulating region 104 is located in the recess region, is exposed, convenient to carry out with target nerve Stimulation.
Injection molding packaging is carried out for convenience of to electrode tip 102, provides a kind of mold 400 in the application embodiment.Wherein, should Mold 400 has type chamber 401.The type chamber 401 is used to accommodate the electrode tip 102 of the Neural stimulation electrodes 100.The mold It is arranged in outer one silica gel sheath 103 of injection molding in a manner of exposing at least partly described stimulation unit of the electrode tip 102.
As shown in Figures 2 to 6.The mold 400 includes the first mold 300 and the second mold 200.First mold 300 and Two molds 200 are connected to each other the type chamber 401 to form accommodate electrod head 102.The butting surface of first mold 300 is equipped with the first groove 301, the butting surface of the second mold 200 is equipped with the second groove 201.First groove 301 and the facing alignment of the second groove 201 Shape forming cavity 401.The shape of first groove 301 and the second groove 201 can match with the shape of electrode tip 102, correspondingly, The profile of the profile and electrode tip 102 of first groove 301 and the second groove 201 matches.As shown in figure 9, at electrode tip 102 Have filling space 410 to be filled with glue when in type chamber 401, between electrode tip 102 and the inner wall of type chamber 401, forms silica gel Set 103.
Second mold 200 is equipped with hole for injecting glue 202.Hole for injecting glue 202 penetrates through the second mold 200.Pair of first mold 300 Surface is connect to be equipped with into glue groove 302.The second mold 200 is not penetrated through into glue groove 302.First mold 300 and the first groove 301 Between be equipped with infusion slot 303.It is closed when on the first mold 300 in the second mold 200 lid, the infusion lid of slot 303 is closed and forms infusion Channel.When second mold 200 and the second mold 200 press, hole for injecting glue 202 aligns with into glue groove 302.Hole for injecting glue 202 is injected Glue enter into glue groove 302, then entered in type chamber 401 by infusion channel (infusion slot 303).
In the application embodiment, first mold 300, the second mold 200 material be plastics or silica gel.Such as figure Shown in 2, the first mold 300 and the second mold 200 are rectangular parallelepiped structure, the two all can be rigid plastics material may be soft Matter silica gel material.First mold 300 and the second mold 200 can be bolted, and screw extent control by bolt Pressing degree between one mold 300 and the second mold 200.First mold 300 and the second mold 200 are equipped with phase in corner location The bolt hole 203,305 answered, is attached with being inserted into bolt.
The first mold 300 and the second mold 200 to make are bonded closely, facilitate the first mold 300 and the second mold 200 quasi- Really alignment is avoided forming electrode points and be destroyed, and the butting surface of the first mold 300 and the second mold 200 has cambered surface region.Its In, the cambered surface region 304 of the first mold 300 is concave structure, and the cambered surface region of the second mold 200 is convex configuration.First is recessed Slot 301 is located at the cambered surface region 304 of concave structure, and the second groove 201 is located at the cambered surface region of convex configuration.
Specifically, first groove 301 matches with 102 shape of electrode tip.On second mold 200 Two grooves 201 form the type chamber 401 for accommodating the electrode tip 102 with first groove 301.First groove 301 and institute It states at least one of second groove 201 and is equipped with the convex 420 in face of stimulation unit protrusion groove floor.Convex 420 can be with The surface of electrode tip 102 is bonded.The convex 420 can block at least partly described stimulation unit covering.Preferably, the convex 420 area is not less than the area in the electrode stimulating region 104.When the first mold 300 and the second mold 200 are connected to each other, Convex 420 can mutually be pressed with the surface of electrode tip 102, and glue is avoided to enter.
In type chamber 401, filling space 410 is formed outside convex 420.The side wall 421 of convex 420 stops glue, from And glue can not form layer of silica gel in electrode stimulating region 104, be exposed electrode stimulating region 104 with this.Correspondingly, silica gel sheath 103 counter electrode stimulated zones 104 form groove.When the Neural stimulation electrodes 100 implant, silica gel sheath 103 and target mind It is bonded through region, the groove on silica gel sheath 103 forms closed area, so that body fluid be avoided to enter, reduces to electrode stimulating region The influence of 104 electrode points, prolongs the service life, and guarantees the normal work of Neural stimulation electrodes 100.
In the application embodiment, the shape of convex 420 and the shape in electrode stimulating region 104 match.As Fig. 1, Shown in Fig. 6, the multiple electrodes point of array arrangement is distributed in 104 rectangular shaped of electrode stimulating region.Convex 420 is equally in square Shape, the area of convex 420 are slightly larger than the area in electrode stimulating region 104.Convex 420 shown in Fig. 7 is pressed together on the shape of electrode tip 102 State, the filling space 410 outside convex 420 enter glue and form the silica gel sheath 103 being wrapped on electrode tip 102.
It is closed when on the first mold 300 in the second mold 200 lid, the lid of convex 420 is closed in the upper of electrode stimulating region 104 Side, the edge of convex 420 can be in contact pressing with 102 surface of electrode tip of 104 side of electrode stimulating region, formed and sealed, Glue is avoided to enter.In this way, glue solidifies after forming silica gel sheath 103, a groove, electrode points are formed in electrode stimulating region 104 It is exposed in the groove.
In a specific embodiment, the silica gel packaging method the following steps are included:
S100, the electrode tip 102 is placed in the first groove 301 of the first mold 300;
S200, the second mold 200 lid is closed on first mold 300;
S300, glue formation silica gel is injected into the type chamber 401 by the hole for injecting glue 202 on second mold 200 Set 103.
For convenience of by the positioning of electrode tip 102, in a mold, first groove 301 is equipped with positioning protrusion 306.The electrode First 102 are equipped with for the Neural stimulation electrodes 100 to be positioned at epibulbar location hole 105.Positioning protrusion 306 can be circle Column construction can be inserted in the location hole 105 of electrode tip 102.The location hole 105 of electrode tip 102 is located at first surface or Other regions in electrode stimulating region 104 in two surfaces.Docking protrusion 204 is additionally provided in second groove 201.In the first mold 300 and second mold 200 when docking, positioning protrusion 306 and docking protrusion 204 are connected to each other, corresponding to be formed on silica gel sheath 103 Through hole.
In the step s 100, described fixed when the electrode tip 102 being placed in the first groove 301 of the first mold 300 In the 306 insertion location hole 105 of position protrusion.Specifically, when placing electrode tip 102 by positioning protrusion 306 and location hole 105 It aligns, positioning protrusion 306 is passed through location hole 105 by force, realizes the first positioning of electrode tip 102, then the second mold 200 is covered It closes on the first mold 300.
In step S300, destroyed to avoid forming Neural stimulation electrodes 100, when injection pressure reaches predetermined pressure Stop injecting glue.Predetermined pressure can determine that the application is simultaneously not especially limited according to the receiving pressure of electrode tip 102.Other realities It applies in example, injecting glue can be stopped when the hole for injecting glue 202 overflows glue.
In one embodiment, the groove floor of first groove 301 is equipped with the convex 420.Second groove 201 groove floor is not provided with the convex 420.The side wall 421 of convex 420, which can be formed glue, to be stopped.Implement in the application In silica gel packaging method provided by mode, when the electrode tip 102 is located in the type chamber 401, the electrode stimulating region 104 align with the convex 420.Correspondingly, outer to expose an electrode stimulating region 104 in the electrode tip 102 One silica gel sheath 103 of mode injection molding.In this embodiment, the electrode stimulating region 104 of 102 other side of electrode tip is covered with Silica gel sheath 103 only exposes the electrode stimulating region 104 of side, stimulates target nerve.
Preferably, it is destroyed to prevent from forming the nanostructure in electrode points, guard electrode point, the convex 420 is equipped with Along the recessed portion 425 with the 420 protrusion direction opposite direction of convex recess.Week of the convex 420 in the recessed portion 425 Side forms retaining wall 426.
When the silica gel packaging method includes: that the electrode tip 102 is located at the type chamber 401, the electricity of the electrode tip 102 Polar stimulation region 104 aligns with the recessed portion 425.The retaining wall 426 enclose structure 104 side of electrode stimulating region simultaneously It is affixed to merge with the surface of electrode tip 102 and fit with the surface of electrode tip 102.Electrode stimulating region 104 is located at recessed portion 425 In, retaining wall 426 is centered around around electrode stimulating region 104.In the present embodiment, the side wall 421 of convex 420 can be formed glue Stop, glue is avoided to cover electrode stimulating region 104.
In another embodiment, the groove floor of first groove 301 and second groove 201 is equipped with described prominent Platform 420.Correspondingly, when the silica gel packaging method includes: that the electrode tip 102 is located in the type chamber 401, the electrode thorn Swash region 104 to align with the convex 420;Correspondingly, outer to expose two electrode stimulating areas in the electrode tip 102 One silica gel sheath 103 of mode injection molding in domain 104.
In this embodiment, the electrode stimulating region 104 of 102 two sides of electrode tip is exposed, to target nerve It is stimulated.More electrode points can be so exposed, wider electrode stimulating is formed.
In the present embodiment, the convex 420 is equipped with along the recess with the 420 protrusion direction opposite direction of convex recess Portion 425.The convex 420 forms retaining wall 426 in the side of the recessed portion 425.The silica gel packaging method includes: the electricity When cartridge 102 is located at the type chamber 401, the electrode stimulating region 104 of the electrode tip 102 aligns with the recessed portion 425; The retaining wall 426 encloses structure in 104 side of electrode stimulating region and fits with the surface of electrode tip 102.Electrode stimulating area Domain 104 is located in recessed portion 425, and retaining wall 426 is centered around around electrode stimulating region 104.In the present embodiment, convex 420 Side wall 421, which can be formed glue, to be stopped, and glue is avoided to cover electrode stimulating region 104.
A kind of Neural stimulation electrodes are also provided in the application embodiment, applied to any of the above-described silica gel packaging side Method manufacture.The Neural stimulation electrodes can be applied in artificial retina implant as shown in Figure 10.
As shown in Figure 10.A kind of artificial retina implant of silica gel packaging is also provided in the application embodiment, is wrapped It includes: coil base 1 comprising transmission coil and the silica gel piece to match with eyeball shape set 11, the transmission coil is packaged in In the silica gel piece set 11, the both ends of the silica gel piece set 11 are connected by bandage 4, and the silica gel piece set 11 passes through the bandage 4 Eyeball can be fixedly arranged on;Integration packaging body 2 is fixedly arranged on the coil base 1, and the integration packaging body 2 includes silica gel cylinder set 21 and the titanium cylinder that is packaged in silica gel cylinder set 21, substrate, the transmission coil and substrate electricity are equipped in the titanium cylinder Connection;Nerve electrode 3 comprising silica gel arc set 31 and electrode plate 32, the electrode plate 32 are set in silica gel arc set 31, institute The one end for stating silica gel arc set 31 is connected with the side wall of the integration packaging body 2, the other end and the eye of the silica gel arc set 31 The shape of ball matches and is equipped with groove, one end of the electrode plate 32 stretch out the silica gel arc set 31 and with the integration packaging The substrate in body 2 is connected, and the other end of the electrode plate 32 is equipped with the stimulation unit 321 that can be in contact with the eyeball, institute Stimulation unit 321 is stated to be located in the groove 311.
In the Neural stimulation electrodes 100 that nerve electrode 3 can be disclosed using any embodiment as above or embodiment, herein It repeats no more.
Wherein, which can be with referenced patent application " 2017113637331 " entitled " silica gel packaging Artificial retina implant ", content is fully incorporated in this by quoting, and no longer repeats one by one herein.
A kind of silica gel packaging equipment of Neural stimulation electrodes, the Neural stimulation electrodes are also provided in the application embodiment Including electrode tip.The electrode tip is equipped with the stimulation unit that can be in contact with target nerve region.The silica gel packaging equipment includes: Mold with type chamber, the type chamber are used to accommodate the electrode tip of the Neural stimulation electrodes.The mold is arranged in institute State outer one silica gel sheath of injection molding in a manner of exposing at least partly described stimulation unit of electrode tip.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or " comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed A part of utility model theme.

Claims (7)

1. a kind of silica gel packaging equipment of Neural stimulation electrodes, which is characterized in that the Neural stimulation electrodes include electrode tip;Institute It states electrode tip and is equipped with the stimulation unit that can be in contact with target nerve region;The silica gel packaging equipment includes: the mould with type chamber Tool, the type chamber are used to accommodate the electrode tip of the Neural stimulation electrodes;The mold be arranged to outside the electrode tip with Expose one silica gel sheath of mode injection molding of at least partly described stimulation unit.
2. silica gel packaging equipment as described in claim 1, it is characterised in that: the mold includes the first mold and the second mould Tool;First mold is equipped with the first groove for accommodating the electrode tip;Wherein, first groove and the electrode head shapes Match;
Second mold has the second groove that the type chamber is formed with first groove;First groove and described At least one of two grooves are equipped with the convex in face of stimulation unit protrusion groove floor;The convex can will at least partly institute Stimulation unit covering is stated to block.
3. silica gel packaging equipment as claimed in claim 2, it is characterised in that: the electrode tip is equipped with opposite facing first surface And second surface;The stimulation unit includes the Liang Ge electrode stimulating area being respectively arranged in the first surface and second surface Domain;The electrode stimulating region is equipped with multiple electrodes point;Wherein,
The area of the convex is not less than the area in the electrode stimulating region.
4. silica gel packaging equipment as claimed in claim 2 or claim 3, it is characterised in that: the groove floor of first groove is equipped with The convex;The groove floor of second groove is not provided with the convex.
5. silica gel packaging equipment as claimed in claim 2 or claim 3, it is characterised in that: first groove and second groove Groove floor be equipped with the convex.
6. silica gel packaging equipment as claimed in claim 3, it is characterised in that: the convex is equipped with edge and the convex protrusion side The recessed portion being recessed round about;The convex forms retaining wall in the side of the recessed portion.
7. silica gel packaging equipment as claimed in claim 2, it is characterised in that: the electrode tip is equipped with for piercing the nerve Sharp electrode is positioned at epibulbar location hole;Wherein, first groove is equipped with the convex for being inserted into the location hole It rises.
CN201822091206.6U 2018-12-12 2018-12-12 The silica gel packaging equipment of Neural stimulation electrodes Active CN209575514U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109675189A (en) * 2018-12-12 2019-04-26 深圳先进技术研究院 Neural stimulation electrodes, implant, silica gel packaging method and silica gel packaging equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109675189A (en) * 2018-12-12 2019-04-26 深圳先进技术研究院 Neural stimulation electrodes, implant, silica gel packaging method and silica gel packaging equipment
WO2020119466A1 (en) * 2018-12-12 2020-06-18 深圳先进技术研究院 Nerve stimulation electrode, implant, silicone packaging method, and silicone packaging device

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