CN204815369U - Feed through connector - Google Patents
Feed through connector Download PDFInfo
- Publication number
- CN204815369U CN204815369U CN201520530712.4U CN201520530712U CN204815369U CN 204815369 U CN204815369 U CN 204815369U CN 201520530712 U CN201520530712 U CN 201520530712U CN 204815369 U CN204815369 U CN 204815369U
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- feed
- insulator
- cathode conductor
- connector
- positive wire
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Abstract
The utility model discloses a feed through connector, include that the cylinder has the through -hole along the axial shaping, the insulator is filled in the through -hole, the positive wire crosses along the axial the insulator has the wiring portion of exposing from the both ends of insulator, the cathode conductor crosses along the axial the insulator has the wiring portion of exposing from the both ends of insulator, the diameter of positive wire and cathode conductor is different. Because the diameter of positive wire and cathode conductor is different, therefore when the assembly, the assembly personnel can discern the positive negative polarity of wire according to the size of diameter very easily, for example can set the diameter of positive wire to be greater than the cathode conductor diameter, and also can set the diameter of cathode conductor to be greater than the positive wire diameter, efficiency is joined in marriage in the improvement commentaries on classics, makes a mistake when preventing to assemble, improves the qualification rate of product.
Description
Technical field
This utility model relates to a kind of feed through connector, belongs to electrical devices technical field.
Background technology
The method of electronic stimulation disease medically obtains applying more and more widely in recent years.There is the implantable medical device of electricity irritation function to be the implanting device that a class has Complex Electronic Systems Based, usually by the titanium box (inside has pulse generator), extension lead, the electrode that implant, and be positioned at the compositions such as external control device.Gathered the signal of telecommunication of target tissue by electrode, pass internal circuit back through extension lead, feed through connector, the measuring ability of electrostimulator can be realized; The stimulus signal that internal circuit sends conducts to electrode through feed through connector, extension lead, then is transferred to target tissue by electrode, can play electronic stimulation effect.Feed through connector is the vitals connecting the internal circuit of titanium box, extension lead and electrode, is the passage of the inside and outside transmission of signal, can realize sealing, insulation, the function such as the transmission of signal and filtering.Current feed through connector has been widely used in implanted electric stimulator as cardiac pacemaker, brain depth stimulator and spinal stimulator etc.
Based on implantation requirement, feed through connector generally all will have good biocompatibility and corrosion resistance.Feed through connector must have higher air-tightness, because once seal failure, in long-term implantation process, steam, body fluid etc. will enter into stimulator inside by feed through connector, cause the harm such as circuit damage.
Chinese patent literature CN102872529A discloses a kind of feed through connector, comprises cylinder, is filled in the insulator in cylinder and passes across the multiple conducting wires of insulator.This feed through connector has multiple conducting wires and is connected on titanium box, owing to there is no difference between wire, any be thus difficult to Direct Recognition root wire be connected with the positive pole of the internal circuit of titanium box, which root wire is connected with negative pole, need by peeping correctly matching with the polarity of extension lead, electrode of connectors wire, efficiency of assembling to be affected after electrode inspection.
Utility model content
For this reason, the technical problems to be solved in the utility model is to overcome in prior art the Direct Recognition both positive and negative polarity of the feed through connector with multiple conducting wires, and the technical problem making efficiency of assembling low, thus provide a kind of positive-negative polarity of very easy identification wire, feed through connector that efficiency of assembling is high.
For solving the problems of the technologies described above, a kind of feed through connector of the present utility model, comprises,
Cylinder, forms through hole vertically;
Insulator, is filled in described through hole;
Positive wire, crosses described insulator vertically and has the wire connecting portion exposed from the two ends of insulator; Cathode conductor, crosses described insulator vertically and has the wire connecting portion exposed from the two ends of insulator;
Described positive wire is different with the diameter of cathode conductor.
Feed through connector of the present utility model, the different diameters 50-80% of described positive wire and cathode conductor.
Feed through connector of the present utility model, the outer surface of cylinder arranges twice annular protrusion vertically in a distance, and annular protrusion described in per pass is all put along the circumferential hoop winding of cylinder, forms groove between described twice annular protrusion.
Feed through connector of the present utility model, is provided with implant between described insulator and described cylinder.
Feed through connector of the present utility model, described implant is epoxy resin.
Feed through connector of the present utility model, described insulator is made up of glass material, and described positive wire and cathode conductor are made up of kovar alloy or platinumiridio material.
Feed through connector of the present utility model, described cylinder is made up of kovar alloy or platinumiridio material.
Feed through connector of the present utility model, the coat of metal that the surface of described positive wire and/or cathode conductor is coated with.
Feed through connector of the present utility model, described positive wire is different with the coating color on cathode conductor.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) feed through connector of the present utility model, because described positive wire is different with the diameter of cathode conductor, thus when assembling, assembly crewman can be very easy to according to the size of diameter the positive-negative polarity identifying wire, such as the diameter of positive wire can be arranged to the diameter being greater than cathode conductor, also the diameter of cathode conductor can be arranged to the diameter being greater than positive wire, improve efficiency of assembling, prevent from making a mistake during assembling, improve the qualification rate of product.
(2) feed through connector of the present utility model, when being installed on titanium box, the parallel annular projection of twice blocks the surfaces externally and internally of titanium box respectively, and titanium box extend in groove, stability when feed through connector is installed on titanium box can be improved like this, and can also sealing effectiveness be improved.
(3) feed through connector of the present utility model, by arranging implant, can strengthen the sealing effectiveness of feedthrough.
(4) feed through connector of the present utility model, the expansion coefficient similar of glass material and kovar alloy or platinumiridio, insulator is made up of glass material, described positive wire and cathode conductor are made up of kovar alloy or platinumiridio material, like this insulator through high-temperature molding cooling after, still can be tight with the Contact of positive wire and cathode conductor, if cylinder is made up of kovar alloy or platinumiridio material, also insulator can be made to contact with inboard wall of cylinder closely, improve the sealing of feed through connector.
(5) feed through connector of the present utility model, described positive wire is different with the coating color on cathode conductor.By arranging the coating of different colors, positive wire and cathode conductor can be identified further, making the identification of wire be more prone to identify.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, this utility model is described in further detail, wherein
Fig. 1 is the front view of the feed through connector of this utility model embodiment;
Fig. 2 is the right view of the feed through connector of this utility model embodiment;
Fig. 3 is the right view of a kind of mode of texturing of feed through connector of this utility model embodiment.
In figure, Reference numeral is expressed as: 1-positive wire; 2-cathode conductor; 3-cylinder; 4-insulator; 5-groove; 6-annular projection; 7-implant;
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
The present embodiment provides a kind of feed through connector, as illustrated in fig. 1 and 2, comprises,
Cylinder 3, forms through hole vertically;
Insulator 4, is filled in described through hole;
Positive wire 1, crosses described insulator 4 vertically and has the wire connecting portion exposed from the two ends of insulator 4;
Cathode conductor 2, crosses described insulator 4 vertically and has the wire connecting portion exposed from the two ends of insulator 4;
Described positive wire 1 is different with the diameter of cathode conductor 2.
Because described positive wire 1 is different with the diameter of cathode conductor 2, thus when assembling, assembly crewman can be very easy to according to the size of diameter the positive-negative polarity identifying wire, such as the diameter of positive wire 1 can be arranged to the diameter being greater than cathode conductor 2, also the diameter of cathode conductor 2 can be arranged to the diameter being greater than positive wire 1, improve efficiency of assembling, prevent from making a mistake during assembling, improve the qualification rate of product.
The feed through connector of the present embodiment, the different diameters 60% of described positive wire 1 and cathode conductor 2 can certainly be the arbitrary value in 50-80%.Diameter being arranged to difference 50-80% can facilitate naked eyes accurately to identify the size of diameter.
The feed through connector of the present embodiment, the outer surface of cylinder 3 arranges twice annular protrusion 6 vertically in a distance, and annular protrusion 6 described in per pass is all put along the circumferential hoop winding of cylinder 3, forms groove 5 between described twice annular protrusion.The feed through connector of the present embodiment is when being installed on titanium box, the parallel annular projection 6 of twice blocks the surfaces externally and internally of titanium box respectively, titanium box extend in groove 5, can improve stability when feed through connector is installed on titanium box like this, and can also improve sealing effectiveness.
The feed through connector of the present embodiment, as shown in Figure 3, is provided with implant 7 between described insulator 4 and described cylinder 3.
The feed through connector of the present embodiment, described implant 7 is epoxy resin.Certainly, implant also can be pottery etc., should guarantee that cylinder 3 can not be electrically connected with between positive wire 1 with cathode conductor 2 three as used metal.
By arranging implant 7, filling up the gap that insulator 4 produces because the coefficient of expansion is different with cylinder 3 after high-temperature molding cooling, improving the sealing of feed through connector.
Described insulator 4 in feed through connector can be made up of glass, ceramic material.
Positive wire 1 and cathode conductor 2 are made up of materials such as titanium, tungsten, kovar alloy or platinumiridios.
As a kind of preferred implementation, as shown in Figure 2, described insulator 4 in feed through connector is made up of glass material, and described positive wire 1 and cathode conductor 2 are made up of kovar alloy or platinumiridio material, and described cylinder 3 is also made up of kovar alloy or platinumiridio material.
The expansion coefficient similar of glass material and kovar alloy or platinumiridio, insulator 4 is made up of glass material, described positive wire 1 and cathode conductor 2 are made up of kovar alloy or platinumiridio material, like this insulator 4 through high-temperature molding cooling after, still can be tight with the Contact of positive wire 1 and cathode conductor 2, if cylinder 3 is made up of kovar alloy or platinumiridio material, insulator 4 also can be made tight with cylinder 3 contact internal walls, improve the sealing of feed through connector.
The feed through connector of the present embodiment, the coat of metal that the surface of described positive wire 1 and/or cathode conductor 2 is coated with.Adoptable method of coating comprises the methods such as plating, ion plating, and available coated metal comprises gold, copper, nickel, titanium, vanadium or its alloy material etc.
The feed through connector of the present embodiment, described positive wire 1 is different with the coating color on cathode conductor 2.By arranging the coating of different colors, positive wire 1 and cathode conductor 2 can be identified further, making the identification of wire be more prone to identify.
Gold-plated on a such as wire, nickel plating on another root wire.
What deserves to be explained is, the feed through connector of the present embodiment, positive wire 1 and cathode conductor 2 respectively have one, in fact also can have more, and such as positive wire 1 and cathode conductor 2 respectively have 2,3 etc.The longitudinal section of feed through connector also can not be circular, also can be triangle, other shape such as square.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that this utility model creates.
Claims (9)
1. a feed through connector, is characterized in that, comprises,
Cylinder (3), forms through hole vertically;
Insulator (4), is filled in described through hole;
Positive wire (1), crosses described insulator (4) vertically and has the wire connecting portion exposed from the two ends of insulator (4);
Cathode conductor (2), crosses described insulator (4) vertically and has the wire connecting portion exposed from the two ends of insulator (4);
Described positive wire (1) is different with the diameter of cathode conductor (2).
2. feed through connector according to claim 1, is characterized in that, the different diameters 50-80% of described positive wire (1) and cathode conductor (2).
3. feed through connector according to claim 1, it is characterized in that, the outer surface of cylinder (3) arranges twice annular protrusion (6) vertically in a distance, annular protrusion described in per pass (6) is all put along the circumferential hoop winding of cylinder (3), forms groove (5) between described twice annular protrusion.
4. the feed through connector according to any one of claim 1-3, is characterized in that, is provided with implant (7) between described insulator (4) and described cylinder (3).
5. feed through connector according to claim 4, is characterized in that, described implant (7) is epoxy resin.
6. the feed through connector according to any one of claim 1-3, it is characterized in that, described insulator (4) is made up of glass material, and described positive wire (1) and cathode conductor (2) are made up of kovar alloy or platinumiridio material.
7. feed through connector according to claim 6, is characterized in that, described cylinder (3) is made up of kovar alloy or platinumiridio material.
8. the feed through connector according to any one of claim 1 or 2 or 3 or 5 or 7, is characterized in that, the coat of metal that the surface of described positive wire (1) and/or cathode conductor (2) is coated with.
9. feed through connector according to claim 8, is characterized in that, described positive wire (1) is different with the coating color on cathode conductor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530712.4U CN204815369U (en) | 2015-07-21 | 2015-07-21 | Feed through connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530712.4U CN204815369U (en) | 2015-07-21 | 2015-07-21 | Feed through connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204815369U true CN204815369U (en) | 2015-12-02 |
Family
ID=54673015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520530712.4U Active CN204815369U (en) | 2015-07-21 | 2015-07-21 | Feed through connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204815369U (en) |
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2015
- 2015-07-21 CN CN201520530712.4U patent/CN204815369U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |