CN215461439U - Implanted nerve stimulation electrode lead - Google Patents
Implanted nerve stimulation electrode lead Download PDFInfo
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- CN215461439U CN215461439U CN202023071631.2U CN202023071631U CN215461439U CN 215461439 U CN215461439 U CN 215461439U CN 202023071631 U CN202023071631 U CN 202023071631U CN 215461439 U CN215461439 U CN 215461439U
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- electrode lead
- electrode
- implantable neurostimulation
- stimulation
- base body
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Abstract
The utility model relates to the technical field of medical instruments, in particular to an implantable nerve stimulation electrode lead. The implantable neurostimulation electrode lead comprises a stimulation end and a connector end, and a catheter segment connecting the stimulation end and the connector end, wherein the stimulation end comprises a base body and an electrode. According to the structure of the implanted nerve stimulation electrode lead, the reinforcing structure is added in the stimulation end of the nerve stimulation electrode, so that the defect that silica gel is easy to deform can be eliminated, and the possibility that the stimulation electrode and a metal wire are broken is prevented.
Description
Technical Field
The utility model relates to a medical instrument, in particular to an implantable nerve stimulation electrode lead.
Background
The implanted nerve stimulation electrode lead is used for being implanted into an epidural cavity of a patient to stimulate the spinal cord, thereby achieving the aim of relieving pain.
The proximal end of the implantable neurostimulation electrode lead comprises a connector part connected with the stimulator, and the distal end of the implantable neurostimulation electrode lead comprises a flat silica gel part. One or more stimulation electrodes are contained within the silicone portion and are connected to the connector portion by a wire. The current sent by the stimulator is transmitted to the connector and then transmitted to the stimulating electrode through the metal wire, so that the target spot is stimulated.
In the existing structure, as the elasticity of the silica gel is very large, the silica gel part can deform along with the time under the condition of repeated movement of the body of a patient, so that the connection between the metal wire and the stimulating electrode is damaged, and the electrode lead loses functions.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving the above-mentioned problems, and provides an implantable neurostimulation electrode lead.
In order to overcome the defects in the background art, the technical scheme adopted by the utility model for solving the technical problems is as follows: the implantable neurostimulation electrode lead comprises a stimulation end and a connector end, and a catheter segment connecting the stimulation end and the connector end, wherein the stimulation end comprises a base body and an electrode.
According to another embodiment of the present invention, it further comprises that the conduit section comprises 2 conduits or 1 conduit is connected to 2 conduits through an adapter.
According to another embodiment of the utility model, the substrate is a flat plate structure or a curved surface structure, the substrate comprises a pre-pressing body and a reinforcing net, the pre-pressing body is sequentially provided with an electrode, a metal wire and the reinforcing net, and is formed by pressing silica gel.
According to another embodiment of the utility model, the method further comprises that the pre-pressing body is provided with an electrode hole for placing an electrode, the surface of the pre-pressing body is provided with a plurality of pipelines, and hollow cavities for accommodating the metal wires are arranged inside the pipelines.
According to another embodiment of the utility model, the method further comprises that the pipeline is provided with 1 strip and positioned in the middle of the pre-pressing body, the pipeline is provided with a notch, and the surface of the pipeline is provided with a plurality of wire holes.
According to another embodiment of the present invention, it further comprises that the pipe is provided with 2 pipes respectively connected between the electrode holes.
According to another embodiment of the utility model, the reinforcing net is uniformly arranged along the surface of the base body in the base body, the reinforcing net is made of fiber fabric or plastic film, the surface of the reinforcing net is provided with a plurality of meshes, and the meshes are in a circular shape, a rectangular shape, a rhombic shape or a polygonal shape.
According to another embodiment of the utility model, the surface of the reinforcing mesh is provided with a rectangular hole matched with the pipeline of the pre-pressing body, the surface of the reinforcing mesh is provided with a connecting rib clamped in the gap of the pre-pressing body, and the connecting rib can fix the relative positions of the reinforcing mesh and the pre-pressing body.
According to another embodiment of the utility model, it further comprises that the shape of the electrode hole is the same as the shape of the electrode.
According to another embodiment of the utility model, the connector is arranged at intervals, and the connector is connected with the electrode of the stimulation end through a metal wire.
The utility model has the beneficial effects that: according to the structure of the implanted nerve stimulation electrode lead, the reinforcing structure is added in the stimulation end of the nerve stimulation electrode, so that the defect that silica gel is easy to deform can be eliminated, and the possibility that the stimulation electrode and a metal wire are broken is prevented.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a pre-compression structure of a neurostimulation electrode lead according to a first embodiment of the utility model;
FIG. 2 is a schematic view of a reinforcing mesh according to a first embodiment of the neurostimulation electrode lead of the present invention;
FIG. 3 is a schematic structural view of a pre-press body assembled with an electrode and a lead according to a first embodiment of the neurostimulation electrode lead of the present invention;
FIG. 4 is a schematic view of a pre-press and a reinforcing mesh of a first embodiment of a neurostimulation electrode lead of the present invention after installation;
FIG. 5 is a schematic structural diagram of a neurostimulation electrode lead according to a first embodiment of the utility model;
FIG. 6 is a schematic diagram of a pre-compression structure of a second embodiment of a neurostimulation electrode lead according to the present invention;
FIG. 7 is a schematic diagram of a reinforcing mesh structure of a second exemplary neurostimulation electrode lead of the present invention;
FIG. 8 is a schematic structural view of a second embodiment of a neurostimulation electrode lead of the present invention, after the pre-press is assembled with the electrode and the lead;
FIG. 9 is a schematic structural diagram of a second embodiment of a neurostimulation electrode lead according to the utility model;
wherein: 1. the electrode lead comprises an electrode lead 10, a stimulation end 11, a base body 12, an electrode 111, a prepressing body 1111, an electrode hole 1112, a hollow cavity channel 1113, a lead hole 1114, a notch 1115, a pipeline 113, a reinforcing net 1131, a mesh, 1132, a rectangular hole 1133, a connecting rib 20, a conduit section 21, a metal wire 22, a conduit 23, an adapter, 30, a connector end 31 and a connector.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The implantable neurostimulation electrode lead comprises a stimulation end 10 and a connector end 30, and a catheter section 20 connecting the stimulation end 10 and the connector end 30, wherein the stimulation end 10 comprises a base body 11 and an electrode 12.
The catheter segment 20 connected between the stimulation end 10 and the connector end 30 may be of 2 configurations, one configuration shown in fig. 5, comprising 1 catheter 22 connected to 2 catheters via a patchplug 3; another configuration is shown in fig. 9 and includes 2 catheters 22.
As shown in fig. 3 and 8, the substrate 11 has a flat plate structure or a curved surface structure, the substrate 11 includes a pre-pressing body 111 and a reinforcing mesh 113, the pre-pressing body 111 is sequentially provided with an electrode 12, a metal wire 21 and the reinforcing mesh 113, and is formed by pressing silica gel.
As shown in fig. 1 and 6, an electrode hole 1111 for placing an electrode 12 is formed on the pre-pressing body 111, a plurality of pipes 1115 are formed on the surface of the pre-pressing body 111, and a hollow cavity 1112 for accommodating a wire 21 is formed inside the pipes 1115.
The structure of the pipeline 1115 on the pre-pressing body 111 is divided into two types:
as shown in FIG. 1, the pipe 1115 has 1 piece, which is located in the middle of the pre-pressing body 111, the pipe 1115 has a notch 1114, the surface of the pipe 1115 has a plurality of wire guiding holes 1113, the wires 21 connected to the electrodes 12 can enter the hollow cavity 1112 through the wire guiding holes 1113 of the pre-pressing body 111, so that all the connections and the wires 21 on the electrodes 12 can be arranged in order. The front end of the structure is connected with 1 catheter 22, and the catheter 22 is connected with 2 catheters through a joint 3;
as shown in fig. 6, the tube 1115 has 2 tubes connected between the electrode holes 1111, respectively, and 2 tubes 22 are connected to the front end of the structure.
As shown in fig. 2 and 7, the reinforcing mesh 113 is uniformly arranged inside the base 11 along the surface of the base 11, the reinforcing mesh 113 is made of a fiber fabric or a plastic film, the surface of the reinforcing mesh is provided with a plurality of meshes 1131, and the shape of the meshes 1131 is circular, rectangular, rhombic or polygonal.
As shown in fig. 2, the surface of the reinforcing mesh 113 is provided with a rectangular hole 1132 matched with the pipe 1115 of the pre-pressing body 111, the surface of the reinforcing mesh 113 is provided with a connecting rib 1133 clamped in the notch 1114 of the pre-pressing body 111, and the connecting rib 1133 can fix the relative positions of the reinforcing mesh 113 and the pre-pressing body 111.
As shown in fig. 1 and 6, the electrode hole 1111 has the same shape as the electrode 12.
As shown in fig. 5 and 9, the connector ends 30 are spaced apart from each other to form a connector 31, and the connector 31 is connected to the electrodes 12 of the stimulation end 10 via the wires 21.
Example one
Referring to fig. 1-3, the pre-compact 111 is formed by vulcanizing silica gel, welding the wire 21 to the electrode 12, placing the electrode 12 into the electrode hole 1111 of the pre-compact 111, passing the wire 21 through the wire hole 1113 into the hollow channel 1112, and placing the electrode 12 welded with the wire 21 into each electrode hole 1111. Thus, the wires 21 welded to each electrode 12 pass through the hollow channel 1112, resulting in an aesthetically pleasing appearance.
Referring to fig. 4, the reinforcing mesh 113 is placed on the upper plane of the pre-press body 111, and the connecting ribs 1133 are snapped into the notches 1114 of the pre-press body 111, thereby restricting the movement of the reinforcing mesh 113 in the horizontal direction, and then the reinforcing mesh 113 and the pre-press body 111 are glued together. Then, the reinforcing mesh 113 is coated with silica gel, and the silica gel is placed in a mold to be heated and pressurized so that the silica gel undergoes a vulcanization reaction, thereby combining the reinforcing mesh 113, the pre-compact 111, the electrode 12 and the wire 21 into a whole to form the stimulation tip 10.
The reinforcing mesh 113 can increase the strength of the substrate 11, prevent the substrate 11 from deforming, maintain the shape of the substrate 11, and prevent the electrode and the metal wire from being broken.
The position, size and density of the mesh holes 1131 of the reinforcing mesh 113 can be adjusted as required, and the mesh holes can be circular, diamond, rectangular, square or other shapes.
Referring to fig. 5, a catheter 22 connected to the stimulation end 10 is divided into two by an adapter 23 and then connected to the connector end 30.
Example two
Referring to fig. 6 to 8, the electrode 12 welded with the wire 21 is placed in the electrode holes 1111 of the pre-compact 111, the wire 21 is inserted into the cavity channel 1112, and the electrode 12 welded with the wire 21 is placed in each of the electrode holes 1111.
The reinforcing mesh 113 is placed on the upper plane of the pre-compact 111 and the rectangular holes 1132 are caught in the channels 1115, thus restricting the movement of the reinforcing mesh 113 in the horizontal direction, and then the reinforcing mesh 113 is glued to the pre-compact 111. Then, the reinforcing mesh 113 is coated with silica gel, and the silica gel is placed in a mold to be heated and pressurized so that the silica gel undergoes a vulcanization reaction, thereby combining the reinforcing mesh 113, the pre-compact 111, the electrode 12 and the wire 21 to form the stimulation end 10 as a whole.
Referring to fig. 9, stimulation end 10 is connected to connector end 30 by catheter 22.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (10)
1. An implantable neurostimulation electrode lead, comprising: comprises a stimulation end (10) and a connector end (30), and a catheter segment (20) connecting the stimulation end (10) and the connector end (30), wherein the stimulation end (10) comprises a base body (11) and an electrode (12).
2. The implantable neurostimulation electrode lead of claim 1, wherein: the pipe section (20) comprises 2 pipes (22) or 1 pipe (22) which is connected with the 2 pipes through a connector (3).
3. The implantable neurostimulation electrode lead of claim 1, wherein: the base body (11) is of a flat plate structure or a curved surface structure, the base body (11) comprises a pre-pressing body (111) and a reinforcing net (113), the pre-pressing body (111) is sequentially provided with an electrode (12), a metal wire (21) and the reinforcing net (113), and the base body is formed by pressing silica gel.
4. The implantable neurostimulation electrode lead of claim 3, wherein: the electrode hole (1111) of placing the electrode (12) is arranged on the pre-pressing body (111), a plurality of pipelines (1115) are arranged on the surface of the pre-pressing body (111), and hollow cavity channels (1112) containing the metal wires (21) are arranged inside the pipelines (1115).
5. The implantable neurostimulation electrode lead of claim 4, wherein: the pipeline (1115) is provided with 1 and is positioned in the middle of the pre-pressing body (111), a notch (1114) is formed in the pipeline (1115), and the surface of the pipeline (1115) is provided with a plurality of wire holes (1113).
6. The implantable neurostimulation electrode lead of claim 4, wherein: the pipeline (1115) is provided with 2 pipelines which are respectively connected between the electrode holes (1111).
7. The implantable neurostimulation electrode lead of claim 3, wherein: the reinforcing mesh (113) is uniformly arranged inside the base body (11) along the surface of the base body (11), the reinforcing mesh (113) is made of fiber fabric or plastic film, the surface of the reinforcing mesh is provided with a plurality of meshes (1131), and the meshes (1131) are polygonal.
8. The implantable neurostimulation electrode lead of claim 3 or 4, wherein: the reinforcing net (113) surface is provided with rectangular hole (1132) that pipeline (1115) of pre-compaction body (111) match, reinforcing net (113) surface is equipped with splice bar (1133) of card in breach (1114) of pre-compaction body (111), and relative position of reinforcing net (113) and pre-compaction body (111) can be fixed in splice bar (1133).
9. The implantable neurostimulation electrode lead of claim 4, wherein: the shape of the electrode hole (1111) is the same as that of the electrode (12).
10. The implantable neurostimulation electrode lead of claim 1, wherein: the connector end (30) is provided with connectors (31) at intervals, and the connectors (31) are connected with the electrodes (12) of the stimulation end (10) through metal wires (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023071631.2U CN215461439U (en) | 2020-12-18 | 2020-12-18 | Implanted nerve stimulation electrode lead |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023071631.2U CN215461439U (en) | 2020-12-18 | 2020-12-18 | Implanted nerve stimulation electrode lead |
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| CN215461439U true CN215461439U (en) | 2022-01-11 |
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| CN202023071631.2U Active CN215461439U (en) | 2020-12-18 | 2020-12-18 | Implanted nerve stimulation electrode lead |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115554596A (en) * | 2022-12-06 | 2023-01-03 | 杭州神络医疗科技有限公司 | Nerve stimulation electrode and nerve stimulator |
| CN116581579A (en) * | 2023-07-14 | 2023-08-11 | 北京品驰医疗设备有限公司 | Medical connecting device, pulse generator and extension wire |
-
2020
- 2020-12-18 CN CN202023071631.2U patent/CN215461439U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115554596A (en) * | 2022-12-06 | 2023-01-03 | 杭州神络医疗科技有限公司 | Nerve stimulation electrode and nerve stimulator |
| CN115554596B (en) * | 2022-12-06 | 2023-02-28 | 杭州神络医疗科技有限公司 | Nerve stimulation electrode and nerve stimulator |
| CN116581579A (en) * | 2023-07-14 | 2023-08-11 | 北京品驰医疗设备有限公司 | Medical connecting device, pulse generator and extension wire |
| CN116581579B (en) * | 2023-07-14 | 2023-10-31 | 北京品驰医疗设备有限公司 | Medical connecting device, pulse generator and extension wire |
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