CN113694381B - Implantable nerve stimulation extension lead - Google Patents
Implantable nerve stimulation extension lead Download PDFInfo
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- CN113694381B CN113694381B CN202111061293.0A CN202111061293A CN113694381B CN 113694381 B CN113694381 B CN 113694381B CN 202111061293 A CN202111061293 A CN 202111061293A CN 113694381 B CN113694381 B CN 113694381B
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- extension lead
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- 230000007383 nerve stimulation Effects 0.000 title abstract description 10
- 230000000638 stimulation Effects 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- 239000000741 silica gel Substances 0.000 claims description 25
- 229910002027 silica gel Inorganic materials 0.000 claims description 25
- 230000001537 neural effect Effects 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 3
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 210000005036 nerve Anatomy 0.000 abstract description 10
- 229920001296 polysiloxane Polymers 0.000 description 13
- 210000004556 brain Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000024891 symptom Diseases 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 101001053401 Arabidopsis thaliana Acid beta-fructofuranosidase 3, vacuolar Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/3752—Details of casing-lead connections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
- A61N1/0526—Head electrodes
- A61N1/0529—Electrodes for brain stimulation
- A61N1/0534—Electrodes for deep brain stimulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/36125—Details of circuitry or electric components
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/37514—Brain implants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/375—Constructional arrangements, e.g. casings
- A61N1/3752—Details of casing-lead connections
- A61N1/3754—Feedthroughs
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Psychology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention relates to the technical field of medical appliances, in particular to an implantable nerve stimulation extension lead. The whole body comprises four connecting channels, each connecting channel has the same structure, each connecting channel is connected with four-contact electrodes, the four-contact electrodes are respectively in one-to-one correspondence with the connectors and the square blocks, and finally, the electrodes are locked through locking screws. After being implanted into a body, the stimulation signals are sent out by the nerve stimulator and sequentially transmitted to the electrode through the connecting ring, the spiral line, the connector and the square block of the extension lead, and then transmitted into the body, thereby achieving the purpose of treatment. The extension lead has a plurality of connecting channels, wide application range, large treatment range and multiple selectivities, can be connected with a plurality of electrodes simultaneously, and can better play a role in treatment.
Description
Technical Field
The invention relates to an extension lead, in particular to an implantable nerve stimulation extension lead.
Background
Deep brain electrical stimulation therapy is mainly to implant a nerve stimulator system into a patient, stimulate certain nerve nuclei in the deep brain by using the nerve stimulator, correct abnormal brain electrical loops and thereby alleviate symptoms of the nerves. The deep brain electro-stimulation therapy can regulate and control nerves, can not directly remove focus, but can achieve the aim of improving the symptoms of patients by externally adding electro-stimulation. Deep brain electro-stimulation therapy is an advanced treatment method for improving various disease symptoms of patients by using a stereotactic method to place electrodes in deep brain specific nuclei and then using extension leads to connect the electrodes implanted in the brain with subcutaneous implanted neurostimulators.
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 good performance of the extension lead are required to be ensured. The existing nerve stimulation extension lead adopts a single-channel silicone tube, and a plurality of bifilar wires are used as guide wires. The defect of this mode is that the external diameter of the silica gel tube is bigger, the form of the connecting electrode is single, the connecting electrode can not be connected with a plurality of electrodes at the same time, the coverage of the treatment range is smaller, and the requirement of complex illness state can not be satisfied.
Disclosure of Invention
The invention aims to solve the defects, and designs a novel implantable nerve stimulation extension lead which is divided into four connecting channels, wherein a guide pipe is made of polyurethane materials, and the guide wire adopts a spiral line wound by eight guide wires, so that the strength of the extension lead can be ensured to meet the requirements, and the extension lead can be simultaneously connected with a plurality of electrodes, the test treatment range is wider, and the requirement of complex illness conditions can be met. The extension lead can be connected with four-contact electrodes simultaneously, and each electrode has two contacts which can work simultaneously. The single electrode treatment focus is smaller in this kind of connected mode, because four electrodes are connected simultaneously, this kind of extension wire is fit for focus many and little condition more, can better adapt to patient's demand, provides better treatment selection, provides an implanted nerve stimulation extension wire.
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: such implantable neural stimulation extension leads include catheters,
One end of the conduit is connected with one end of the conduit I and one end of the conduit II through an adapter, and the other end of the conduit is sequentially provided with 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;
the other end of the first conduit is connected with the first silica gel main body, and the other end of the second conduit is connected with the second silica gel main body;
The silica gel main body comprises a first channel and a second channel, wherein a first square block, a first connector, a second connector and a third connector are sequentially arranged in the first channel, and a second square block, a fourth connector, a fifth connector and a sixth connector are sequentially arranged in the second channel;
the silica gel main body II comprises a channel III and a channel IV, wherein a block III, a connector seven, a connector eight and a connector nine are sequentially arranged in the channel III, and a block IV, a connector ten, a connector eleven and a connector twelve are sequentially arranged in the channel IV;
The catheter is internally provided with 8 spiral lines wound by guide wires, one end of each 4 guide wires in the spiral lines is connected with a first connecting ring, a second connecting ring, a fifth connecting ring and a sixth connecting ring, and the other end of each 4 guide wires enters a first connecting square, a second square and a second connector of the catheter; the other 4 strands of guide wires in the spiral line are connected with the third connecting ring, the fourth connecting ring, the seventh connecting ring and the eighth connecting ring, and the other end of the guide wires enters the second connecting square, the third connecting square, the fourth connecting square, the eighth connecting connector and the eleventh connecting connector of the guide pipe.
According to another embodiment of the present invention, the method further includes a first connecting ring corresponding to the first connecting block, a second connecting ring corresponding to the second connecting block, a fifth connecting ring corresponding to the second connecting connector, and a sixth connecting ring corresponding to the fifth connecting connector, and a third connecting ring corresponding to the third connecting block, a fourth connecting ring corresponding to the fourth connecting block, a seventh connecting ring corresponding to the eighth connecting connector, and an eighth connecting ring corresponding to the eleventh connecting connector.
According to another embodiment of the present invention, the other end of the first conduit is connected to a silicone tube provided on the first silicone body.
According to another embodiment of the present invention, the other end of the second catheter is connected to a second silicone tube disposed on the second silicone body.
According to another embodiment of the invention, the surface of the 8 strands of guide wire further comprising the spiral is provided with an insulating layer.
According to another embodiment of the present invention, the insulating layer coating is a material of PFA, ETFE, PTFE or PI.
According to another embodiment of the present invention, the outer diameter of the catheter, the first catheter and the second catheter is 1.3±10% mm, and the material is polyurethane or polyurethane braided tube.
According to another embodiment of the present invention, the locking device further comprises a first locking screw for locking the electrode on the first square, a second locking screw for locking the electrode on the second square, a third locking screw for locking the electrode on the third square, and a fourth locking screw for locking the electrode on the fourth square.
According to another embodiment of the present invention, the method 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, wherein a space distance is provided 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, and the connecting ring is fixed on the catheter through injection molding.
The beneficial effects of the invention are as follows: the implanted nerve stimulation extension lead is divided into four connecting channels, the guide tube is made of polyurethane materials, the guide wire is made of eight guide wires in a wound spiral line, so that the strength of the extension lead can be ensured to meet the requirements, the extension lead can be simultaneously connected with a plurality of electrodes, the test treatment range is wider, and the requirement of complex illness conditions can be met. The extension lead can be connected with four-contact electrodes simultaneously, and each electrode has two contacts which can work simultaneously. The single electrode treatment focus is smaller by the connection mode, but because four electrodes are connected simultaneously, the extension lead is more suitable for the condition of more and smaller focuses, can better adapt to the requirements of patients, and provides better treatment options.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is the illustration of FIG. 1 A schematic structural diagram of a part;
FIG. 3 is the illustration of FIG. 1 A schematic structural diagram of a part;
wherein: 1. the connector rings eight, 2, connector rings seven, 3, connector rings six, 4, connector rings five, 5, connector rings four, 6, connector rings three, 7, connector rings two, 8, connector rings one, 9, conduit, 10, adapter, 11, conduit one, 12, conduit two, 13, silicone tube one, 14, silicone tube two, 15, silicone body one, 16, silicone body two, 17, square one, 18, square two, 19, square three, 20, square four, 21, locking screw one, 22, locking screw two, 23, locking screw three, 24, locking screw four, 25, channel one, 26, channel two, 27, channel three, 28, channel four, 29, spiral, 1-1, connector one, 1-2, connector two, 1-3, connector three, 2-1, connector four, 2-2, connector five, 2-3, connector six, 3-1, connector seven, 3-2, connector eight, 3-3, connector nine, connector 4-1, connector twelve, connector ten, connector and connector twelve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. Embodiments of the invention are described herein in terms of various specific embodiments, including those that are apparent to those of ordinary skill in the art and all that come within the scope of the invention.
The implanted nerve stimulation extension lead is used for connecting the electrode and the nerve stimulator, and transmitting the electric signal from the nerve stimulator to the electrode and then to the body so as to achieve the purpose of treatment. The whole body comprises four connecting channels, each connecting channel has the same structure, each connecting channel is connected with four-contact electrodes, the four-contact electrodes are respectively in one-to-one correspondence with the connectors and the square blocks, and finally, the electrodes are locked through locking screws.
As shown in fig. 1,2 and 3, the device comprises a conduit 9, wherein one end of the conduit 9 is connected with one end of a conduit I11 and one end of a conduit II 12 through an adapter 10, and the other end of the conduit 9 is sequentially provided 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 seven 2 and a connecting ring eight 1; the other end of the first conduit 11 is connected with a first silica gel main body 15, and the other end of the second conduit 12 is connected with a second silica gel main body 16; the silica gel main body I15 comprises a channel I25 and a channel II 26, wherein a square block I17, a connector I1-1, a connector II 1-2 and a connector III 1-3 are sequentially arranged in the channel I25, and a square block II 18, a connector IV 2-1, a connector V2-2 and a connector V2-3 are sequentially arranged in the channel II 26; the silica gel main body II 16 comprises a channel III 27 and a channel IV 28, wherein a block III 19, a connector seven 3-1, a connector eight 3-2 and a connector nine 3-3 are sequentially arranged in the channel III 27, and a block IV 20, a connector ten 4-1, a connector eleven 4-2 and a connector twelve 4-3 are sequentially arranged in the channel IV 28; the catheter 9 is internally provided with 8 spiral lines 29 wound by guide wires, one end of each 4 guide wires in the spiral lines 29 is connected with a first connecting ring 8, a second connecting ring 7, a fifth connecting ring 4 and a sixth connecting ring 3, and the other end of each guide wire enters a first catheter 11 to be connected with a first square 17, a second square 18 and a second connector 1-2 and a fifth connector 2-2; the other 4 strands of guide wires in the spiral line 29 are connected with a third 6, a fourth 5, a seventh 2 and an eighth 1, and the other ends of the guide wires enter a second 12 to be connected with a third 19, a fourth 20, an eighth 3-2 and an eleventh 4-2.
The connecting ring I8 corresponds to the connecting square I17, the connecting ring II 7 corresponds to the connecting square II 18, the connecting ring V4 corresponds to the connecting connector II 1-2, the connecting ring V3 corresponds to the connecting connector V2-2, the connecting ring III 6 corresponds to the connecting square III 19, the connecting ring IV 5 corresponds to the connecting square IV 20, the connecting ring V2 corresponds to the connecting connector V3-2, and the connecting ring V1 corresponds to the connecting connector V4-2. The other connectors have no correspondence but are used for connection with the electrode contacts.
The other end of the first conduit 11 is connected to a first silicone tube 13 provided on a first silicone body 15.
The other end of the second conduit 12 is connected to a second silicone tube 14 provided on a second silicone body 16.
The surface of 8 guide wires of the spiral line 29 is provided with an insulating layer, and the spiral line is formed by synchronously winding 8 guide wires. One end of the spiral line is respectively connected with the eight 1 connecting ring, the seven 2 connecting ring, the six 3 connecting ring, the five 4 connecting ring, the four 5 connecting ring, the three 6 connecting ring, the two connecting rings 7 and the one connecting ring 8 one by one, and the other end of the spiral line is respectively connected with the first square 17, the second square 18, the third square 19, the fourth square 20, the two 1-2 connectors, the five 2-2 connectors, the eight 3-2 connectors and the eleven 4-2 connectors.
After passing through the adapter, the spiral line is wound by eight strands of wires and is divided into four strands of wires, the four strands of wires are wound in the silica gel main body and are divided into four guide wires, and the two guide wires are combined into a group and connected with connectors and blocks of corresponding channels.
Wherein the insulating layer coating is PFA, ETFE, PTFE or PI as the insulating layer material.
Wherein, the outer diameter of the conduit 9, the conduit one 11 and the conduit two 12 is 1.3mm, and the material is polyurethane. The spiral line is positioned at the inner sides of the guide pipe 9, the guide pipe I11 and the guide pipe II 12, the side of the extending wire connector is formed by silica gel compression molding, the side of the extending wire connecting ring is formed by injection molding, and the injection molding material is polyurethane.
The first block 17 is provided with a first locking screw 21 for locking the electrode, the second block 18 is provided with a second locking screw 22 for locking the electrode, the third block 19 is provided with a third locking screw 23 for locking the electrode, and the fourth block 20 is provided with a fourth locking screw 24 for locking the electrode.
Wherein, the first connecting ring 8, the second connecting ring 7, the third connecting ring 6, the fourth connecting ring 5, the fifth connecting ring 4, the sixth connecting ring 3, the seventh connecting ring 2 and the eighth connecting ring 1 are provided with interval distances, and are fixed on the guide pipe 9 through injection molding.
After being implanted into a body, the stimulation signals are sent out by the nerve stimulator and sequentially transmitted to the electrode through the connecting ring, the spiral line, the connector and the square block of the extension lead, and then transmitted into the body, thereby achieving the purpose of treatment. The extension lead has a plurality of connecting channels, wide application range, large treatment range and multiple selectivities, can be connected with a plurality of electrodes simultaneously, and can better play a role in treatment.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. An implantable neural stimulation extension lead comprising a catheter (9), characterized by:
One end of the conduit (9) is connected with one end of the conduit I (11) and one end of the conduit II (12) through an adapter (10), and the other end of the conduit (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 other end of the first conduit (11) is connected with the first silica gel main body (15), and the other end of the second conduit (12) is connected with the second silica gel main body (16);
The silica gel main body I (15) comprises a channel I (25) and a channel II (26), wherein a block I (17), a connector I (1-1), a connector II (1-2) and a connector III (1-3) are sequentially arranged in the channel I (25), and a block II (18), a connector IV (2-1), a connector V (2-2) and a connector VI (2-3) are sequentially arranged in the channel II (26);
The silica gel main body II (16) comprises a channel III (27) and a channel IV (28), wherein a block III (19), a connector seven (3-1), a connector eight (3-2) and a connector nine (3-3) are sequentially arranged in the channel III (27), and a block IV (20), a connector ten (4-1), a connector eleven (4-2) and a connector twelve (4-3) are sequentially arranged in the channel IV (28);
An 8-strand guide wire wound spiral line (29) is arranged in the guide pipe (9), one end of each 4 strands of guide wires in the spiral line (29) is connected with a first connecting ring (8), a second connecting ring (7), a fifth connecting ring (4) and a sixth connecting ring (3), and the other end of each 4 strands of guide wires enters the guide pipe I (11) to be connected with the first square block (17), the second square block (18) and the fifth connector (2-2) of the second connector (1-2); the other 4 strands of guide wires in the spiral line (29) are connected with a third connecting ring (6), a fourth connecting ring (5), a seventh connecting ring (2) and an eighth connecting ring (1), and the other end of the guide wire enters a second connecting pipe (12) to be connected with a third connecting block (19), a fourth connecting block (20), an eighth connecting connector (3-2) and an eleventh connecting block (4-2).
2. The implantable neural stimulation extension lead of claim 1, wherein: the connecting ring I (8) corresponds to the connecting square I (17), the connecting ring II (7) corresponds to the connecting square II (18), the connecting ring V (4) corresponds to the connecting connector II (1-2), the connecting ring V (3) corresponds to the connecting connector V (2-2), the connecting ring III (6) corresponds to the connecting square III (19), the connecting ring IV (5) corresponds to the connecting square IV (20), the connecting ring V (2) corresponds to the connecting connector V (3-2), and the connecting ring V (1) corresponds to the connecting connector V (4-2).
3. The implantable neural stimulation extension lead of claim 1, wherein: a first silica gel pipe (13) is arranged between the other end of the first guide pipe (11) and the first silica gel main body (15), the first guide pipe (11) is connected with the first silica gel pipe (13), and the first silica gel pipe (13) is connected with the first silica gel main body (15).
4. The implantable neural stimulation extension lead of claim 1, wherein: a second silica gel tube (14) is arranged between the other end of the second conduit (12) and the second silica gel body (16), the second conduit (12) is connected with the second silica gel tube (14), and the second silica gel tube (14) is connected with the second silica gel body (16).
5. The implantable neural stimulation extension lead of claim 1, wherein: an insulating layer is arranged on the surface of the 8 strands of guide wires of the spiral line (29).
6. The implantable neural stimulation extension lead of claim 5, wherein: the insulating layer coating is a material of PFA, ETFE, PTFE or PI.
7. The implantable neural stimulation extension lead of claim 1, wherein: the outer diameters of the guide pipe (9), the guide pipe I (11) and the guide pipe II (12) are 1.3+/-10% mm, and the guide pipe I, the guide pipe II and the guide pipe II are made of polyurethane or polyurethane woven pipes.
8. The implantable neural stimulation extension lead of claim 1, wherein: the square I (17) is provided with a locking screw I (21) for locking the electrode, the square II (18) is provided with a locking screw II (22) for locking the electrode, the square III (19) is provided with a locking screw III (23) for locking the electrode, and the square IV (20) is provided with a locking screw IV (24) for locking the electrode.
9. The implantable neural stimulation extension lead of claim 1, wherein: the connecting device is characterized in that 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) are provided with interval distances, and the connecting rings are fixed on a guide pipe (9) through injection molding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111061293.0A CN113694381B (en) | 2021-09-10 | 2021-09-10 | Implantable nerve stimulation extension lead |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111061293.0A CN113694381B (en) | 2021-09-10 | 2021-09-10 | Implantable nerve stimulation extension lead |
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| CN113694381A CN113694381A (en) | 2021-11-26 |
| CN113694381B true CN113694381B (en) | 2024-04-30 |
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| CN114824919B (en) * | 2022-06-29 | 2022-09-30 | 苏州景昱医疗器械有限公司 | Connector and stimulation system |
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| US20010025192A1 (en) * | 1999-04-29 | 2001-09-27 | Medtronic, Inc. | Single and multi-polar implantable lead for sacral nerve electrical stimulation |
| US8116875B2 (en) * | 2006-06-16 | 2012-02-14 | Neuropoint Medical, Inc. | Implantable neurostimulation systems |
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| CN212282550U (en) * | 2020-01-19 | 2021-01-05 | 苏州景昱医疗器械有限公司 | Converter and implanted nerve electrical stimulation device |
| CN113304397A (en) * | 2021-06-07 | 2021-08-27 | 常州瑞神安医疗器械有限公司 | Novel implanted nerve stimulation extension wire technical field |
| CN113304396A (en) * | 2021-06-07 | 2021-08-27 | 常州瑞神安医疗器械有限公司 | Novel implanted nerve stimulation needle electrode |
| CN216653131U (en) * | 2021-09-10 | 2022-06-03 | 常州瑞神安医疗器械有限公司 | Implanted nerve stimulation extension lead |
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| CN113694381A (en) | 2021-11-26 |
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