阅读说明：本技术 植入式神经刺激的双通道延伸导线 (Implanted nerve stimulation's binary channels extension wire ) 是由 祖平 蒋军庭 张新国 于 2021-09-10 设计创作，主要内容包括：本发明涉及医疗器械的技术领域,尤其涉及一种植入式神经刺激的双通道延伸导线。这种植入式神经刺激的双通道延伸导线,包括导管,导管的一端连接硅胶主体、另一端依次设有连接环一、连接环二、连接环三、连接环四、连接环五、连接环六、连接环七、连接环八,延伸导线分为两个连接通道,导管采用聚氨酯材料,导丝采用八根导丝绕制的螺旋线,这样既可以保证延伸导线的强度符合要求,又可以同时与两根电极相连接,测试治疗范围较广,能够满足复杂病情的需要。(The invention relates to the technical field of medical instruments, in particular to a double-channel extension lead for implantable nerve stimulation. The implantable nerve-stimulating double-channel extension wire comprises a catheter, wherein a silica gel main body is connected to one end of the catheter, a first connecting ring, a second connecting ring, a third connecting ring, a fourth connecting ring, a fifth connecting ring, a sixth connecting ring, a seventh connecting ring and an eighth connecting ring are sequentially arranged at the other end of the catheter, the extension wire is divided into two connecting channels, the catheter is made of polyurethane materials, the guide wire is made of a spiral wire wound by eight guide wires, the strength of the extension wire can meet requirements, the extension wire can be simultaneously connected with two electrodes, the test treatment range is wide, and the requirements of complex conditions of an illness can be met.)

1. A dual channel extension lead for implantable nerve stimulation comprising a catheter (9), characterized in that: silica gel main part (12) is connected to the one end of pipe (9), the other end is equipped with go-between (8), go-between two (7), go-between three (6), go-between four (5), go-between five (4), go-between six (3), go-between seven (2), go-between eight (1) in proper order, silica gel main part (12) are equipped with square one (19) and connect channel two (21) in proper order in connect channel one (22), connector one (13), connector two (14) and connector three (15), be equipped with square two (20), connector four (18), connector five (17) and connector six (16) in proper order in connect channel two (21), be equipped with helix (11) that synchronous coiling formed in pipe (9), 8 strand seal wire one end of helix (11) respectively with square one (19), The connector I (13), the connector II (14), the connector III (15), the square II (20), the connector IV (18), the connector V (17) and the connector VI (16) are connected, and the other ends of the 8 strands of guide wires of the spiral line (11) are respectively connected with the connecting ring I (8), the connecting ring II (7), the connecting ring III (6), the connecting ring IV (5), the connecting ring V (4), the connecting ring VI (3), the connecting ring seven (2) and the connecting ring eight (1).

2. The implantable neurostimulation dual channel extension lead of claim 1, wherein: 4 guide wires in the 8 guide wires of the spiral line (11) are positioned in the first connecting channel (22), and the two ends of the guide wires are connected in a mode that a square I (19) is connected with a connecting ring I (8) through the guide wires, a connector I (13) is connected with a connecting ring II (7) through the guide wires, a connector II (14) is connected with a connecting ring V (4) through the guide wires, and a connector III (15) is connected with a connecting ring VI (3) through the guide wires;

the other 4 guide wires in the 8 guide wires of the spiral line (11) are positioned in a connecting channel II (21), the two ends of the guide wires are connected in a mode that a square II (20) is connected with a connecting ring III (6) through the guide wires, a connector IV (18) is connected with a connecting ring IV (5) through the guide wires, a connector V (17) is connected with a connecting ring VII (2) through the guide wires, and a connector VI (16) is connected with a connecting ring VIII (1) through the guide wires.

3. The implantable neurostimulation dual channel extension lead of claim 1, wherein: and the surface of each guide wire of the 8 guide wires of the spiral line (11) is provided with an insulating coating.

4. The implantable neurostimulation dual channel extension lead of claim 3, wherein: the insulating coating is made of PFA, ETFE, PTFE or PI.

5. The implantable neurostimulation dual channel extension lead of claim 1, wherein: silica gel tube (10) are equipped with between pipe (9) connection silica gel main part (12), and silica gel tube (10) are connected in pipe (9), and silica gel main part (12) are connected in silica gel tube (10).

6. The implantable neurostimulation dual channel extension lead of claim 1, wherein: the catheter (9) is made of polyurethane or a polyurethane braided tube, and the outer diameter of the catheter is 1.3 +/-10% mm.

7. The implantable neurostimulation dual channel extension lead of claim 1, wherein: the connecting ring I (8), the connecting ring II (7), the connecting ring III (6), the connecting ring IV (5), the connecting ring V (4), the connecting ring VI (3), the connecting ring VII (2) and the connecting ring VIII (1) are arranged with a spacing distance therebetween, and fixed on the conduit (9) through injection molding.

8. The implantable neurostimulation dual channel extension lead of claim 1, wherein: the first square (19) is provided with a first locking screw (23) for locking the electrode, and the second square (20) is provided with a second locking screw (24) for locking the electrode.

Technical Field

The invention relates to an extension lead, in particular to a dual-channel extension lead for implantable nerve stimulation.

Background

The deep brain electrical stimulation therapy is mainly characterized by that a nerve stimulator system is implanted into the body of patient, and the nerve stimulator is used to stimulate some nerve cores in the deep brain of patient, and correct abnormal large brain electrical loop so as to relieve the symptoms of these nerves. The deep brain electrical stimulation therapy can be used for nerve regulation, can not directly remove focus, and can achieve the purpose of improving the symptoms of patients by external electrical stimulation.

The deep brain electrical stimulation therapy is an advanced treatment method for improving various disease symptoms of a patient by using a stereotaxic method, placing electrodes in specific nuclei in the deep brain, then using an extension lead to connect the electrodes implanted in the brain with a nerve stimulator implanted under the skin.

The implanted nerve stimulation extension lead is used for connecting an electrode and a nerve stimulator, is implanted near the neck and can be repeatedly stretched and extruded, so that the structural stability and the good performance of the extension lead are required to be ensured. The existing nerve stimulation extension lead mostly adopts a single-channel silicone tube, and a plurality of bifilar-filament spirals are used as a guide wire. The disadvantage of this method is that the silicone tube has a large outer diameter, cannot be connected with a plurality of electrodes at the same time, has a small test treatment range, and cannot meet the requirement of complex illness conditions.

Disclosure of Invention

The present invention is directed to solving the above-mentioned deficiencies and providing a dual channel extension lead for implantable nerve stimulation.

In order to overcome the defects in the background art, the technical scheme adopted by the invention for solving the technical problems is as follows: this kind of implanted neural amazing binary channels extension wire includes the pipe, and silica gel main part, the other end are connected to the one end of pipe and are equipped with go-between one in proper order, go-between two, go-between three, go-between four, go-between five, go-between seven, go-between eight, the silica gel main part includes connecting channel one and connecting channel two, is equipped with square one in the connecting channel one in proper order, connector one, connector two and connector three, be equipped with square two in the connecting channel two in proper order, connector four, connector five and connector six, be equipped with the helix that synchronous coiling formed in the pipe, 8 strand seal wire one end of helix is connected with square one, connector two, connector three, square two, connector four, connector five and connector six respectively, and 8 strand seal wire other ends of helix are connected with go-between one, go-between two, go-between respectively, And the connecting ring III, the connecting ring IV, the connecting ring V, the connecting ring VI, the connecting ring VII and the connecting ring VIII are connected.

According to another embodiment of the invention, 4 guide wires of the 8 guide wires further comprising the spiral line are positioned in the first connecting channel, and the two ends of the guide wires are connected in a manner that a square block is connected with a corresponding first connecting ring through the guide wire, a connector with a corresponding second connecting ring is connected through the guide wire, a connector with a corresponding fifth connecting ring is connected through the guide wire, and a connector with a third corresponding sixth connecting ring is connected through the guide wire;

the other 4 guide wires in the 8 guide wires of the spiral line are positioned in the second connecting channel, the two ends of each guide wire are connected in a mode that the two square blocks correspond to the connecting ring tee joints and are connected through the guide wires, the four connector corresponding to the connecting ring tee joints and are connected through the guide wires, the five connector corresponding to the connecting ring seventh connecting ring is connected through the guide wires, and the six connector corresponding to the connecting ring eighth connecting ring is connected through the guide wires.

According to another embodiment of the invention, each of the 8 wires of the helix is further provided with an insulating coating on its surface.

According to another embodiment of the present invention, further comprising the material of the insulating coating is PFA, ETFE, PTFE or PI.

According to another embodiment of the invention, the silica gel tube is arranged between the conduit and the silica gel main body, the conduit is connected with the silica gel tube, and the silica gel tube is connected with the silica gel main body.

According to another embodiment of the invention, the catheter is made of polyurethane or a polyurethane braided tube, and the outer diameter of the catheter is 1.3 +/-10% mm.

According to another embodiment of the invention, the device further comprises a first connecting ring, a second connecting ring, a third connecting ring, a fourth connecting ring, a fifth connecting ring, a sixth connecting ring, a seventh connecting ring and an eighth connecting ring which are fixed on the catheter through injection molding, wherein a spacing distance is arranged between the first connecting ring, the second connecting ring, the third connecting ring, the fourth connecting ring, the fifth connecting ring, the sixth connecting ring, the seventh connecting ring and the eighth connecting ring.

According to another embodiment of the invention, the method further comprises the step of arranging a first locking screw for locking the electrode on the first square block and arranging a second locking screw for locking the electrode on the second square block.

The invention has the beneficial effects that: the implantable nerve-stimulating dual-channel extension wire is characterized in that the extension wire is divided into two connecting channels, the catheter is made of polyurethane materials, and the guide wire is a spiral wire wound by eight guide wires, so that the strength of the extension wire can meet the requirement, the extension wire can be connected with two electrodes simultaneously, the test treatment range is wider, and the requirement of complex illness states can be met. The extension lead can be simultaneously connected with two four-contact electrodes, each electrode is provided with four contacts which can work simultaneously, the four contacts cover a wide treatment range and are suitable for larger focuses, and the two electrodes can treat different focuses, so that the extension lead can better adapt to the requirements of patients and provide more treatment options.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

wherein: 1. eight connecting rings, 2, seven connecting rings, 3, six connecting rings, 4, five connecting rings, 5, four connecting rings, 6, three connecting rings, 7, two connecting rings, 8, one connecting ring, 9, a catheter, 10, a silicone tube, 11, a spiral line, 12, a silicone main body, 13, a first connector, 14, a second connector, 15, a third connector, 16, six connectors, 17, five connectors, 18, four connectors, 19, a first square, 20, a second square, 21, a second connecting channel, 22, a first connecting channel, 23, a first locking screw, 24 and a second locking screw.

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 function of the two-channel extension lead for the implantable nerve stimulation is to connect the electrode and the stimulator, transmit an electric signal from the nerve stimulator to the electrode and then to the nerve, thereby achieving the purpose of treatment.

As shown in fig. 1, the catheter 9 is included in the drawing, one end of the catheter 9 is connected with a silica gel main body 12, the other end of the catheter 9 is sequentially provided with a first connecting ring 8, a second connecting ring 7, a third connecting ring 6, a fourth connecting ring 5, a fifth connecting ring 4, a sixth connecting ring 3, a seventh connecting ring 2 and an eighth connecting ring 1, the silica gel main body 12 comprises a first connecting channel 22 and a second connecting channel 21, a first square block 19, a first connector 13, a second connector 14 and a third connector 15 are sequentially arranged in the first connecting channel 22, a second square block 20, a fourth connector 18, a fifth connector 17 and a sixth connector 16 are sequentially arranged in the second connecting channel 21, a spiral line 11 formed by synchronous winding is arranged in the catheter 9, one end of 8 strands of guide wires of the spiral line 11 is respectively connected with the first square block 19, the first connector 13, the second connector 14, the third connector 15, the second square block 20, the fourth connector 18, the fifth connector 17 and the sixth connector 16, the other end of the 8 strands of guide wires of the spiral line 11 is respectively connected with a connecting ring I8, a connecting ring II 7, a connecting ring III 6, a connecting ring IV 5, a connecting ring V4, a connecting ring VI 3, a connecting ring VII 2 and a connecting ring VIII 1.

The eight-strand wire winding spiral line is arranged in the silica gel main body and is divided into eight guide wires, and the four guide wires are in a group and are connected with the connectors and the square blocks of the corresponding channels. 4 guide wires in the 8 guide wires of the spiral line 11 are positioned in the first connecting channel 22, and the two ends of the guide wires are connected in a mode that a square block 19 is connected with a connecting ring I8 through the guide wires, a connector I13 is connected with a connecting ring II 7 through the guide wires, a connector II 14 is connected with a connecting ring V4 through the guide wires, and a connector III 15 is connected with a connecting ring VI 3 through the guide wires;

the other 4 guide wires in the 8 guide wires of the spiral wire 11 are positioned in the second connecting channel 21, and the two ends of the guide wires are connected in a mode that the second square 20 is connected with the third connecting ring 6 through the guide wires, the fourth connector 18 is connected with the fourth connecting ring 5 through the guide wires, the fifth connector 17 is connected with the seventh connecting ring 2 through the guide wires, and the sixth connector 16 is connected with the eighth connecting ring 1 through the guide wires.

Wherein, the surface of each of the 8 guide wires of the spiral line 11 is provided with an insulating coating. The material of the insulating coating is not limited to PFA, ETFE, PTFE or PI. The helix is located the pipe inboard, and extension wire connector side is silica gel compression molding, and extension wire connecting ring side is injection moulding, and the material of moulding plastics is polyurethane.

Wherein, be equipped with silicone tube 10 between pipe 9 connects silica gel main part 12, pipe 9 connects silica gel tube 10, and silica gel tube 10 connects silica gel main part 12.

Wherein the catheter 9 is made of polyurethane or a polyurethane braided tube, and the outer diameter of the catheter is 1.3 +/-10 percent mm.

Wherein, the connecting rings I8, II 7, III 6, IV 5, V4, VI 3, VII 2 and VIII are arranged with a spacing distance and fixed on the conduit 9 by injection molding.

And a first locking screw 23 for locking the electrode is arranged on the first square 19, and a second locking screw 24 for locking the electrode is arranged on the second square 20.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.