CN210933448U - Packaging device for coil assembly of nerve stimulator - Google Patents
Packaging device for coil assembly of nerve stimulator Download PDFInfo
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- CN210933448U CN210933448U CN201921190515.7U CN201921190515U CN210933448U CN 210933448 U CN210933448 U CN 210933448U CN 201921190515 U CN201921190515 U CN 201921190515U CN 210933448 U CN210933448 U CN 210933448U
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Abstract
The utility model discloses a packaging hardware for neural stimulator coil pack contains: coil pack, stimulator main part, bed die, location frock: the coil component comprises a tool main body and a positioning contact concave surface connected with the tool main body, wherein the positioning contact concave surface is mutually contacted with a winding seat in the coil component, and contact surfaces of the positioning contact concave surface and the winding seat are complementarily attached; the tool main body is provided with a tool positioning hole and a tool locking hole, and the tool positioning hole is matched with a positioning pin; and matched with the tool positioning hole and the tool locking hole, the lower die is provided with the die positioning hole and the die locking hole which are matched with the tool positioning hole and the tool locking hole in size and position.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, concretely relates to an encapsulation device for nerve stimulator coil pack.
Background
Currently, in neurosurgical clinical operations, actively implanted medical devices generally include neurostimulators, which are classified into rechargeable neurostimulators and non-rechargeable neurostimulators. A packaging hardware and method for nerve stimulator coil pack to chargeable nerve stimulator and tailor-made, it can assist stimulator installer to carry out effective, swift installation to charging coil and communication coil.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an encapsulation device for neural stimulator coil pack to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an enclosure for a neurostimulator coil assembly, comprising:
a coil component: the charging coil and the communication coil are wound on the winding seat;
the charging coil and the communication coil form three externally-connected needle type interfaces;
a stimulator main body: comprising a housing and three 3 pins connected to the pin interface of the coil assembly
A feedthrough assembly;
a lower die: the upper surface of the lower die is provided with a device for placing the coil assembly and the stimulation
An injection molding cavity of the device main body;
positioning the tool: the coil component comprises a tool main body and a positioning contact concave surface connected with the tool main body, wherein the positioning contact concave surface is mutually contacted with a winding seat in the coil component, and contact surfaces of the positioning contact concave surface and the winding seat are complementarily attached; the tool main body is provided with a tool positioning hole and a tool locking hole, and the tool positioning hole is matched with a positioning pin; and matched with the tool positioning hole and the tool locking hole, the lower die is provided with the die positioning hole and the die locking hole which are matched with the tool positioning hole and the tool locking hole in size and position.
In the scheme, the method comprises four parts: the lower die, the coil component, the stimulator body and the positioning component. In actual operation, carry out the electricity with coil pack and stimulator main part and be connected and the encapsulation has a great deal of difficulty and problem, the utility model discloses the concrete implementation process of the above-mentioned problem is solved to the scheme is as follows: firstly, fixedly connecting a stimulator main body with a lower die, wherein the lower die is provided with an injection molding cavity for accommodating the stimulator main body and a coil assembly; the coil assembly is an integral body and comprises a winding seat, a communication coil and a charging coil, wherein the communication coil and the charging coil are wound on the winding seat; the positioning tool is used for positioning the relative position of the coil assembly and the lower die, the positioning tool is provided with a tool positioning hole and a tool locking hole, the lower die is correspondingly provided with a lower die positioning hole and a lower die locking hole, the positioning tool is also provided with a positioning pin inserted into the tool positioning hole and the lower die positioning hole and a positioning contact concave surface, the positioning contact concave surface is a contact surface with the coil assembly, and the positioning contact concave surface and the coil assembly are mutually attached to achieve the purpose of positioning the coil assembly. When the coil assembly, the stimulator main body and the lower die are kept fixed in relative positions, the needle type interface of the coil assembly and the 3-needle feed-through assembly of the stimulator main body are contacted with each other, the needle type interface and the 3-needle feed-through assembly are welded, injection molding is carried out on the injection molding cavity, and after the colloid is solidified, the packaging of the coil assembly and the stimulator main body is completed.
Preferably, the device further comprises an upper die: the upper die and the lower die are matched with each other and are respectively provided with a fixing hole matched with the position, and the center of the upper die is provided with a penetrating injection molding hole. Set up mould and bed die cooperation, can carry out high pressure to the chamber of moulding plastics, the effect of moulding plastics is better.
Preferably, the sides of the upper die and the lower die are provided with pressing covers for preventing the stimulator main body from displacing in the injection molding process. Go up mould, bed die and stimulator main part assembly and accomplish the back, stimulator main part does not expose outside the injection moulding cavity that last mould and bed die formed with the one end that coil pack are connected, thereby the relative position relation of influence stimulator main part and coil pack takes place the displacement easily among the high pressure injection moulding process, so set up in the one end of stimulator main part and compress tightly the lid, prevent to mould plastics in-process stimulator main part and take place the displacement.
Preferably, still including adjusting the frock, adjust the frock contain and fix the thimble of bed die lower surface and establish three adjusting screw on the thimble, adjusting screw's position is located under the needle type interface of coil pack is along vertical direction projection, correspondingly, the bed die be equipped with adjusting screw size, position matching's through adjustment hole.
Adjust the frock through the lower surface of countersunk screw fixed at the bed die, three thimbles on the regulation frock pass through the regulation hole on the bed die and go deep to needle type interface direction, until contacting the needle type interface and push the needle type interface to 3 needles feed through subassembly to realize contact between them, after welding process, adjust the frock promptly can dismantle.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation that is used for neural stimulator coil pack's packaging hardware can effectual supplementary and guide assembly quality to the stimulator.
Drawings
Fig. 1 is a schematic structural view of a coil assembly and a stimulator body according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a coil assembly, a positioning tool and a lower mold of an embodiment of the packaging device for a coil assembly of a neurostimulator of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is a schematic structural diagram of a positioning assembly of an embodiment of the packaging device for a coil assembly of a neurostimulator of the present invention;
fig. 5 is a schematic structural view of an adjusting component and a lower mold of an embodiment of the packaging device for a coil component of a neurostimulator of the present invention;
FIG. 6 is an enlarged view of a portion B of FIG. 5;
FIG. 7 is a schematic view of the cross-sectional structure taken along the line A-A in FIG. 5;
fig. 8 is a schematic diagram of relative positions of a coil assembly, a stimulator main body and a lower mold according to an embodiment of the present invention;
fig. 9 is a schematic diagram of relative positions of an upper mold, a lower mold and a pressing cover of an embodiment of the packaging apparatus for a coil assembly of a neurostimulator of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
The utility model provides a packaging hardware for nerve stimulator coil assembly, including coil assembly 1 and stimulator main part 2, its relative position is as shown in figure 1, coil assembly 1 contains winding seat 101, and winding coil 102 and communication coil 103 on winding seat 101; a stimulator body 2 is connected to the coil assembly 1.
In order to realize that coil pack 1 and stimulator main part 2 relative position are fixed, the utility model discloses an encapsulating device still is provided with bed die 3 and location frock 4. As shown in fig. 2, the relative position relationship between the positioning tool 4, the lower die 3 and the coil assembly 1 is shown; FIG. 3 is an enlarged view of a portion of FIG. 2; fig. 4 is a schematic structural diagram of the positioning tool 4; the upper surface of the lower die 3 is provided with an injection molding cavity 5 for placing the coil component 1 and the stimulator main body 2; the positioning tool 4 comprises a tool main body 401 and a positioning contact concave surface 402 connected with the tool main body 401, wherein the positioning contact concave surface 402 is mutually contacted with the winding seat 101 in the coil assembly 1, and the contact surfaces of the positioning contact concave surface 402 and the winding seat 101 are complementarily attached; the tool main body 401 is provided with a tool positioning hole 403 and a tool locking hole 404 which penetrate through the tool main body, and the tool positioning hole 403 is matched with a positioning pin 405; matched with the above, the lower die 3 is provided with a die positioning hole 301 and a die locking hole 302 which are matched with the tool positioning hole 403 and the tool locking hole 404 in size and position.
In order to realize the electric connection between coil pack 1 and stimulator main body 2, the utility model discloses an encapsulation device still is equipped with adjusts frock 6. As shown in fig. 5, the relative position relationship between the adjusting tool 6 and the lower die 3 is shown; FIG. 6 is an enlarged view of a portion of FIG. 5; fig. 7 is a schematic structural and relative position diagram of three adjusting screws 601 of the adjusting tool 6. The electrical connection parts of the coil assembly 1 and the stimulator body 2 are a needle type interface 104 and a 3-needle feed-through assembly 201, respectively, and when the coil assembly 1 and the stimulator body 2 are fixedly connected with the lower die 3, the needle type interface 104 is located below the 3-needle feed-through assembly 201. The adjusting tool 6 comprises an adjusting block 602 fixed on the lower surface of the lower die 3 and three adjusting screws 601 arranged on the adjusting block 602, ejector pins 603 are arranged above the adjusting screws 601, the positions of the adjusting screws 601 are located right below the vertical projection of the needle type interfaces 104 of the coil assembly 1, and correspondingly, the lower die 3 is provided with through adjusting holes 303 matched with the ejector pins 603 in size and position. The adjusting tool 6 is fixed on the lower surface of the lower die 3 through a countersunk screw, three adjusting screws 601 on the adjusting tool 6 are pressed against the ejector pin 603, and the ejector pin 603 penetrates through the penetrating adjusting hole 303 on the lower die 3 and goes deep towards the pin type interface 104 until the ejector pin 603 contacts the pin type interface 104 and pushes the pin type interface 104 towards the 3-pin feed-through assembly 201, so that the two are electrically connected.
Fig. 8 is a schematic structural view of the coil assembly 1, the stimulator main body 2 and the lower mold 3 after the relative positions are fixed; fig. 9 is a schematic structural view of the upper mold 7 and the lower mold 3 after being covered and reinforced by the pressing cover 8; the upper die 7 covers the lower die 3 and is fixedly connected with the lower die; an injection molding hole 701 is formed in the center of the upper mold 701; the side behind upper die 7 and the reciprocal anchorage of bed die 3 is equipped with and compresses tightly lid 8, and the effect that compresses tightly lid 8 prevents that stimulator main part 2 from taking place the displacement when high pressure is moulded plastics.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An enclosure for a neurostimulator coil assembly, comprising:
a coil component: the charging coil and the communication coil are wound on the winding seat;
the charging coil and the communication coil form three externally-connected needle type interfaces;
a stimulator main body: comprising a housing and three 3-pin feed-through assemblies connected with the pin interfaces of the coil assemblies;
a lower die: the upper surface of the lower die is provided with an injection molding cavity for placing the coil assembly and the stimulator main body;
positioning the tool: the coil component comprises a tool main body and a positioning contact concave surface connected with the tool main body, wherein the positioning contact concave surface is mutually contacted with a winding seat in the coil component, and contact surfaces of the positioning contact concave surface and the winding seat are complementarily attached; the tool main body is provided with a tool positioning hole and a tool locking hole, and the tool positioning hole is matched with a positioning pin; and matched with the tool positioning hole and the tool locking hole, the lower die is provided with the die positioning hole and the die locking hole which are matched with the tool positioning hole and the tool locking hole in size and position.
2. The packaging arrangement for a neurostimulator coil assembly as claimed in claim 1, further comprising an upper mold: the upper die and the lower die are matched with each other and are respectively provided with a fixing hole matched with the position, and the center of the upper die is provided with a penetrating injection molding hole.
3. The packaging arrangement for a neurostimulator coil assembly as claimed in claim 2, wherein the sides of the upper and lower molds are provided with compression caps that prevent displacement of the stimulator body during injection molding.
4. The packaging device for the coil assembly of the neurostimulator according to claim 1, further comprising an adjusting tool, wherein the adjusting tool comprises an ejector pin fixed on the lower surface of the lower die and three adjusting screws arranged on the ejector pin, the adjusting screws are positioned right below the vertical projection of the needle type interface of the coil assembly, and correspondingly, the lower die is provided with through adjusting holes matched with the adjusting screws in size and position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190515.7U CN210933448U (en) | 2019-07-26 | 2019-07-26 | Packaging device for coil assembly of nerve stimulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190515.7U CN210933448U (en) | 2019-07-26 | 2019-07-26 | Packaging device for coil assembly of nerve stimulator |
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| Publication Number | Publication Date |
|---|---|
| CN210933448U true CN210933448U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921190515.7U Active CN210933448U (en) | 2019-07-26 | 2019-07-26 | Packaging device for coil assembly of nerve stimulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292708A (en) * | 2019-07-26 | 2019-10-01 | 杭州诺为医疗技术有限公司 | A kind of packaging system and packaging method for nerve stimulator coil block |
-
2019
- 2019-07-26 CN CN201921190515.7U patent/CN210933448U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292708A (en) * | 2019-07-26 | 2019-10-01 | 杭州诺为医疗技术有限公司 | A kind of packaging system and packaging method for nerve stimulator coil block |
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