CN110975136A - An implantable nerve electrical signal acquisition and functional electrical stimulation electrode - Google Patents
An implantable nerve electrical signal acquisition and functional electrical stimulation electrode Download PDFInfo
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- CN110975136A CN110975136A CN201911367100.7A CN201911367100A CN110975136A CN 110975136 A CN110975136 A CN 110975136A CN 201911367100 A CN201911367100 A CN 201911367100A CN 110975136 A CN110975136 A CN 110975136A
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- 230000000638 stimulation Effects 0.000 title claims 8
- 210000005036 nerve Anatomy 0.000 title 1
- 125000004122 cyclic group Chemical group 0.000 claims 4
- 238000005424 photoluminescence Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
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- A—HUMAN NECESSITIES
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- 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
- A61N1/0551—Spinal or peripheral nerve electrodes
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
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- A—HUMAN NECESSITIES
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- 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
- A61N1/0551—Spinal or peripheral nerve electrodes
- A61N1/0558—Anchoring or fixation means therefor
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Abstract
本发明公开了一种植入式神经电信号采集和功能电刺激电极，包括环状电极装置、转接装置和固定装置，其中，环状电极装置包裹在待测部位上，并通过固定装置固定，转接装置与环状电极装置电连接，转接装置将环状电极装置采集的神经电信号传输至外部神经电信号检测设备，或将外部功能电刺激器件的功能性电刺激脉冲传输至环状电极装置。本发明作为一种侵入式电极，在检测神经电信号和进行功能电刺激时，能够稳定地将电极固定在神经束上，并且根据目标区域，选择电极丝是否插入和电极丝插入的长度及直径。通过固定绳、固定环、电极孔的配合能够有效的固定电极。根据具体的需求，合理的选择插入电极丝的位置、深度和直径。
The invention discloses an implantable nerve electrical signal acquisition and functional electrical stimulation electrode, comprising a ring-shaped electrode device, a switching device and a fixing device, wherein the ring-shaped electrode device is wrapped on the part to be measured and fixed by the fixing device, The adapter device is electrically connected with the ring electrode device, and the adapter device transmits the nerve electrical signal collected by the ring electrode device to the external nerve electrical signal detection device, or transmits the functional electrical stimulation pulse of the external functional electrical stimulation device to the ring electrode device. electrode device. As an invasive electrode, the present invention can stably fix the electrode on the nerve bundle when detecting nerve electrical signals and performing functional electrical stimulation, and select whether the electrode wire is inserted and the length and diameter of the electrode wire insertion according to the target area. . The electrode can be effectively fixed by the cooperation of the fixing rope, the fixing ring and the electrode hole. According to specific needs, the position, depth and diameter of the inserted electrode wire should be reasonably selected.
Description
Technical Field
The invention relates to an electrode structure, in particular to an implantable neural electric signal acquisition and functional electrical stimulation electrode.
Background
The acquisition, processing and analysis of nerve electrical signals and the application of inducing action potentials in the nervous system through electrical stimulation to realize specific functions in the research of neuroscience and the rehabilitation medicine have important significance. The acquisition of the electrical nerve signals and functional electrical stimulation require electrodes as interface devices.
The electrodes can be classified into invasive and non-invasive electrodes according to whether the electrodes are implanted into the nerve tissue to be measured. Invasive electrodes can penetrate precisely into the portion of interest of the neural tissue to be measured or stimulated, but can cause minimal trauma to the neural tissue. The non-invasive electrode has no damage to nerves, is attached to or wraps the surface of nerve tissue to collect nerve electrical signals or stimulate the nerves to generate action potentials, but cannot accurately collect the electrical signals of the target nerves or effectively stimulate the target nerves.
For invasive electrodes, sword-shaped electrodes and Utah electrodes invented by the university of Utah in the United states are common, but the electrodes have the following disadvantages.
1. Is not easy to fix: when the organism moves, the separation is easy.
2. The detection is not flexible: the electrode tip lengths of all channels are fixed and it is not possible to choose whether to insert an electrode and the depth of the electrode according to the specific requirements of the region of interest.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the defects of the prior art, the invention provides an implantable neuroelectric signal acquisition and functional electrical stimulation electrode.
The technical scheme is as follows: in order to realize the purpose, the invention adopts the following technical scheme:
the utility model provides an implanted nervous signal of telecommunication gathers and function electro photoluminescence electrode, includes cyclic annular electrode device, switching device and fixing device, and wherein, cyclic annular electrode device parcel is on the position to be measured to it is fixed through fixing device, and switching device is connected with cyclic annular electrode device electricity, and switching device transmits the nervous signal of telecommunication collection to outside nervous signal of telecommunication check out test set, or transmits the functional electrical stimulation pulse of outside function electro photoluminescence device to cyclic annular electrode device.
Optionally, the annular electrode device includes a fixing ring, a plurality of electrode holes, a conductive structure and electrodes, the electrode holes are formed in the fixing ring, the conductive structure is arranged on the outer edge of each electrode hole, and the electrodes are inserted into the electrode holes and electrically connected with the conductive structure on the outer edge of each electrode hole.
Optionally, the electrode holes are arranged on the fixing ring in an array mode, and the diameter, the number and the positions of the electrode holes are set according to needs.
Optionally, the electrode is a minimally invasive wire electrode, has good biocompatibility and conductivity, and is set in length and diameter according to requirements.
Optionally, the tail of the electrode is stripped of the insulating layer and welded on the conductive structure of the electrode hole.
Optionally, the fixing ring is made of flexible curling material and used for wrapping the part to be measured.
Optionally, the switching device is an adapter, and is electrically connected to each conductive structure of the annular electrode device through a surface-insulated wire, where the surface-insulated wire is a plurality of conductive strips made on the surface of the flexible curled material and distributed in a grid shape on the conductive structures of the electrode holes, the conductive structure of each electrode hole is connected to a corresponding conductive strip, and the conductive structures are connected in parallel.
Optionally, the switching device is an adapter, the adapter is electrically connected to one end of the flexible cable, the other end of the flexible cable is connected to the plurality of conductive wires, each conductive wire is electrically connected to one conductive structure of the annular electrode device, and the conductive structures are connected in parallel.
Optionally, the fixing device is two fixing ropes, one end of each fixing rope is fixed on the fixing ring, and the other end of each fixing rope is used for fixing the fixing ring on the part to be measured.
Has the advantages that: compared with the prior art, the invention is used as an invasive electrode, can stably fix the electrode on a nerve bundle when detecting nerve electrical signals and performing functional electrical stimulation, and selects whether a wire electrode is inserted and the length and the diameter of the wire electrode according to a target area. The electrode can be effectively fixed through the matching of the fixing rope, the fixing ring and the electrode hole. The position, the depth and the diameter of the inserted electrode wire are reasonably selected according to specific requirements.
Drawings
FIG. 1 is a schematic diagram of an electrode structure according to the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and the detailed description.
The utility model provides an implanted nervous signal of telecommunication gathers and function electro photoluminescence electrode, includes cyclic annular electrode device, switching device and fixing device, and wherein, cyclic annular electrode device parcel is on the position to be measured to it is fixed through fixing device, and switching device is connected with cyclic annular electrode device electricity, and switching device transmits the nervous signal of telecommunication collection to outside nervous signal of telecommunication check out test set, or transmits the functional electrical stimulation pulse of outside function electro photoluminescence device to cyclic annular electrode device.
The annular electrode device comprises a plurality of fixing rings, electrode holes, conductive structures and electrodes, wherein the electrode holes are formed in the fixing rings and are manufactured on the fixing rings, the conductive structures are arranged on the outer edges of the electrode holes, and the electrodes are inserted into the electrode holes and are electrically connected with the conductive structures on the outer edges of the electrode holes. The adapter device is an adapter, and the conductive structures of the electrode holes are connected to the adapter in parallel. The fixing device is composed of two fixing ropes, one ends of the two fixing ropes are fixed on the fixing ring, and the other ends of the two fixing ropes are used for fixing the fixing ring on the part to be measured. Specifically, the method comprises the following steps:
as shown in fig. 1, an implanted nerve electrical signal gathers and function electricity stimulating electrode, including solid fixed ring 1, electrode hole 2, conducting structure 3, conductor wire 4, flexible cable 5, adapter 6, fixed rope 7 and electrode 8, electrode hole 2 has a plurality ofly, all set up on solid fixed ring 1, every electrode hole outer fringe all is provided with conducting structure, the conducting structure in every electrode hole all is connected with the one end parallel connection of flexible cable 5 through a conductor wire, the other end and the adapter 6 electricity of flexible cable are connected, fixed rope has two, the one end and the solid fixed ring fixed connection of two fixed ropes, the quantity and the electrode hole of electrode 8 are the same, insert an electrode in every electrode hole, and the electrode is connected with the conducting structure electricity in electrode hole.
The fixing ring 1 is made of a flexible coiled material, has good biocompatibility, is used for wrapping a spinal cord or peripheral nerve bundles to be detected, and is provided with an electrode hole array on the surface; the electrode hole 2 is used for inserting an electrode, and the diameter of the electrode hole is matched with that of the electrode; the electrode adopts a wire electrode, and when the electrode is applied, the tip of the wire electrode penetrates into the nervous tissue of the organism to be detected along with the wrapping effect of the fixing ring; the conductive material deposited around the electrode hole forms a conductive structure, the conductive structure is used for being welded with a conductor with the tail end of the electrode 8 stripped of the insulating layer, in addition, the conductive structure is also electrically connected with one end of a flexible cable through a strip-shaped conductive wire, the other end of the flexible cable is electrically connected with an adapter, and the adapter is used for being connected with a nerve electrical signal detection or functional electrical stimulation device or equipment; one end of the fixing rope is bound on the fixing ring and is used for fixing the fixing ring on the spinal cord or the peripheral nerve bundle during operation.
The electrode holes 2 can be set in diameter, number and position according to the requirement. The electrode 8 is a minimally invasive wire electrode, has good biocompatibility and conductivity, and the length and the diameter can be set according to requirements. The tail end of the electrode can be electrically connected with the electrode hole in a welding mode. The flexible cable is a surface insulation wire, one end of the flexible cable can be directly connected with a conductive structure on the conductive hole, specifically, the surface insulation wire is a plurality of conductive strips manufactured on the surface of the flexible curled material and distributed on the electrode hole array in a grid shape, and each electrode hole is connected with one corresponding conductive strip.
The electrode exposes the tip insulating layer, and can be inserted into the nervous tissue of the organism along the electrode hole. And after the fixed length is set as required, the tail part of the electrode is stripped from the insulating layer and welded in the electrode hole. And fixed on the spinal cord nerve bundle or the peripheral nerve bundle through a fixing ring and a fixing rope. Whether the electrode is inserted into the electrode hole or not and the implantation depth of the electrode can be controlled according to specific requirements, and the electrode can be used for implantable nerve electrical signal acquisition and functional electrical stimulation and has the characteristics of accurate positioning and easiness in fixation.
Claims (9)
1. The utility model provides an implanted nervous signal of telecommunication gathers and function electro photoluminescence electrode, its characterized in that includes cyclic annular electrode device, switching device and fixing device, and wherein, cyclic annular electrode device parcel is on the position to be measured to it is fixed through fixing device, and switching device is connected with cyclic annular electrode device electricity, and switching device transmits the nervous signal of telecommunication collection to outside nervous signal of telecommunication check out test set, or transmits the functional electrical stimulation pulse of outside function electro photoluminescence device to cyclic annular electrode device.
2. The implantable neuroelectrical signal acquisition and functional electrical stimulation electrode according to claim 1, wherein the annular electrode device comprises a fixing ring, a plurality of electrode holes, a conductive structure and an electrode, the electrode holes are formed in the fixing ring, the conductive structure is arranged at the outer edge of each electrode hole, and the electrode is inserted into the electrode hole and is electrically connected with the conductive structure at the outer edge of the electrode hole.
3. The implantable neuroelectrical signal acquisition and functional electrical stimulation electrode of claim 2, wherein the electrode holes are arranged in an array on the fixation ring, and the diameter, number and position of the electrode holes are set as required.
4. The implantable neuroelectrical signal acquisition and functional electrical stimulation electrode of claim 2, wherein the electrode is a minimally invasive wire electrode with good biocompatibility and electrical conductivity, and the length and diameter are set as required.
5. The implantable neuroelectrical signal acquisition and functional electro-stimulation electrode of claim 2, wherein the tail of the electrode is stripped of insulation and welded to the conductive structure of the electrode hole.
6. The implantable neuroelectrical signal acquisition and functional electrical stimulation electrode of claim 2, wherein the fixation ring is a flexible coil material for wrapping around the site to be measured.
7. The implantable neuroelectrical signal collection and functional electrical stimulation electrode of claim 1, wherein the adapting means is an adaptor, which is electrically connected to the conductive structures of the ring electrode means through surface-insulated wires, wherein the surface-insulated wires are conductive strips formed on the surface of the flexible coiled material and distributed in a grid shape on the conductive structures of the electrode holes, the conductive structure of each electrode hole is connected to a corresponding conductive strip, and the conductive structures are connected in parallel.
8. The implantable neuroelectrical signal acquisition and functional electrostimulation electrode of claim 1, wherein the switching device is an adapter electrically connected to one end of a flexible cable, the other end of the flexible cable being connected to a plurality of conductive wires, respectively, each conductive wire being electrically connected to one of the conductive structures of the ring electrode device, the conductive structures being connected in parallel.
9. The implantable neuroelectrical signal collection and functional electrical stimulation electrode of claim 1, wherein the fixation device is two fixation cords, one end of each fixation cord is fixed to the fixation ring, and the other end of each fixation cord is used to fix the fixation ring to the site to be measured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911367100.7A CN110975136A (en) | 2019-12-26 | 2019-12-26 | An implantable nerve electrical signal acquisition and functional electrical stimulation electrode |
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| CN201911367100.7A CN110975136A (en) | 2019-12-26 | 2019-12-26 | An implantable nerve electrical signal acquisition and functional electrical stimulation electrode |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111812173A (en) * | 2020-09-07 | 2020-10-23 | 博睿康科技（常州）股份有限公司 | Intelligent electrode |
| CN112472096A (en) * | 2020-12-11 | 2021-03-12 | 西北工业大学 | Stress-induced self-curling reticular cuff nerve electrode and preparation method thereof |
| CN113456433A (en) * | 2021-08-13 | 2021-10-01 | 北京大学人民医院 | Electric signal collector and human-computer interaction interface type exoskeleton rehabilitation system |
| CN115444427A (en) * | 2022-10-10 | 2022-12-09 | 诺尔医疗（深圳）有限公司 | Brain electrode and brain electrode system |
| CN117180612A (en) * | 2023-11-06 | 2023-12-08 | 苏州景昱医疗器械有限公司 | Implantable electrode, stimulator, control method thereof, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117180612A (en) * | 2023-11-06 | 2023-12-08 | 苏州景昱医疗器械有限公司 | Implantable electrode, stimulator, control method thereof, and storage medium |
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