CN113694373B - Nerve electrical stimulation device and connection module and connection device thereof - Google Patents
Nerve electrical stimulation device and connection module and connection device thereof Download PDFInfo
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- CN113694373B CN113694373B CN202111022214.5A CN202111022214A CN113694373B CN 113694373 B CN113694373 B CN 113694373B CN 202111022214 A CN202111022214 A CN 202111022214A CN 113694373 B CN113694373 B CN 113694373B
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- 210000005036 nerve Anatomy 0.000 title description 29
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- 230000001537 neural effect Effects 0.000 claims abstract 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 2
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- 230000009286 beneficial effect Effects 0.000 description 7
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- 238000009713 electroplating Methods 0.000 description 7
- 239000012212 insulator Substances 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 6
- 210000004556 brain Anatomy 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000007383 nerve stimulation Effects 0.000 description 4
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- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 208000028552 Treatment-Resistant Depressive disease Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
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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
- A61N1/02—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
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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
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
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- Health & Medical Sciences (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- General 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)
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Abstract
本申请提供一种神经电刺激设备及其连接模块和连接装置，连接模块用于与电极导线电连接，连接模块包括：第一绝缘本体，第一绝缘本体具有第一外表面和连接通道，连接通道用于安装电极导线的插接端，连接通道内设置有多个第一电连接触点，第一电连接触点用于与电极导线的插接端上的插接触点电连接；连接模块还包括：多个第二电连接触点、多个第一电路；每个第二电连接触点设置于第一外表面，并分别通过第一电路电连接第一电连接触点。替代现有技术中相互交替的绝缘环和金属环的结构，使得连接模块结构紧凑，体积小，对患者的创伤更小，且无需进行绝缘环和金属环的组装，节省工序，没有装配误差，产品的一致性好。
The present application provides a neural electrical stimulation device and its connection module and connection device, wherein the connection module is used to electrically connect with the electrode wire, and the connection module includes: a first insulating body, the first insulating body having a first outer surface and a connection channel, the connection channel is used to install the plug-in end of the electrode wire, a plurality of first electrical connection contacts are arranged in the connection channel, and the first electrical connection contacts are used to electrically connect with the plug-in contacts on the plug-in end of the electrode wire; the connection module also includes: a plurality of second electrical connection contacts, a plurality of first circuits; each second electrical connection contact is arranged on the first outer surface, and is electrically connected to the first electrical connection contact through the first circuit respectively. The structure of the insulating ring and the metal ring that alternate with each other in the prior art is replaced, so that the connection module has a compact structure, a small volume, less trauma to the patient, and no need to assemble the insulating ring and the metal ring, saving processes, no assembly errors, and good product consistency.
Description
Technical Field
The application relates to the technical field of nerve electrical stimulation medical equipment, in particular to nerve electrical stimulation equipment, a connecting module and a connecting device thereof.
Background
The deep brain electric stimulation therapy plays a role in effectively treating related diseases by carrying out electric pulse stimulation on different functional nuclear groups in the deep brain, and is a reversible nerve regulation treatment method. At present, deep brain electro-stimulation therapy can be applied to the treatment of diseases such as Parkinson, epilepsy, spasm, essential tremor and the like, and is also being widely applied and researched in the aspects of treating Alzheimer's syndrome, refractory depression, rehabilitation after cerebral apoplexy, pain and the like.
The in vivo implantation portion of a conventional deep brain electrical stimulation system generally includes a pulse generator, an extension lead, an electrode fixation device, and the like. The pulse generator is implanted under the chest skin, connected with an extension lead, connected with an electrode through a neck subcutaneous tunnel, and the electrode passes through the skull to be contacted with a target point and is fixed on the skull through a fixing device.
The Chinese patent No. 111744110A discloses a pulse generator and an implantable nerve stimulation system, wherein the pulse generator and the implantable nerve stimulation system are arranged on one side of a wiring groove, the pulse generator comprises a shell, a circuit board arranged in the shell, and a feed-through wire electrically connected with the circuit board, the feed-through wire is used for being inserted into a top cover part to be electrically connected with an electrode connecting device, and at least two electrode connecting devices are arranged in the top cover body and are arranged in parallel in a direction away from a main body part. The skull is lighter and thinner, the depth of the bone groove formed in the skull is shallower, the pain of a patient is less, and the operation safety is higher.
However, in the prior art, the connection module (electrode connection device in CN111744110 a) of the nerve electrical stimulation device (pulse generator in CN111744110 a) includes a connection channel formed by assembling an insulating ring and a metal ring (connector 301 in CN111744110 a) which are mutually alternated, and the electrical connection between the circuit in the pulse generator and the connection module often adopts a lead connection mode, so that the volume of the connection module is larger, a larger wound is brought to a patient, the production and the assembly are inconvenient, an assembly error is generated, and the problem of poor product consistency is caused.
Disclosure of Invention
The application aims to provide nerve electric stimulation equipment, a connecting module and a connecting device thereof, which solve the problems that the connecting module of the nerve electric stimulation equipment in the prior art has larger volume, causes larger wound to patients, is inconvenient to produce and assemble, generates assembly errors and causes poor product consistency.
The aim of the application is achieved by the following technical scheme:
In a first aspect, the application provides a connection module of nerve electrical stimulation equipment, which is used for being electrically connected with electrode wires, and comprises a first insulating body, wherein the first insulating body is provided with a first outer surface and a connection channel, the connection channel is used for installing a plug-in end of the electrode wires, a plurality of first electrical connection contacts are arranged in the connection channel and are used for being electrically connected with the plug-in contacts on the plug-in end of the electrode wires, the connection module further comprises a plurality of second electrical connection contacts and a plurality of first circuits, and each second electrical connection contact is arranged on the first outer surface and is electrically connected with the first electrical connection contacts through the first circuits.
The technical scheme has the beneficial effects that the first electric connection contact, the first circuit and the second electric connection contact are arranged on the first insulating body to replace the structure of the insulating ring and the metal ring which are mutually alternated in the prior art, so that the function of electric connection with the electrode lead is realized.
In some alternative embodiments, the connection module further includes a plurality of elastic electrical connectors, where the plurality of elastic electrical connectors are disposed inside the connection channel and are arranged in a straight line along a length direction of the connection channel, and each of the elastic electrical connectors is electrically connected to one of the first electrical connection contacts and is electrically connected to one of the plug contacts on the plug end of the electrode wire. The technical scheme has the beneficial effects that the elastic electric connecting piece is used for realizing electric connection of the first electric connecting contact and one contact on the plugging end of the electrode wire, and the elastic electric connecting piece has elasticity, so that the electric connection of the first electric connecting contact and one contact on the plugging end of the electrode wire is more stable.
In some alternative embodiments, the resilient electrical connector is a metallic spring ring for sleeving over a plurality of plug contacts at the plug end of the electrode wire. The technical scheme has the beneficial effects that the metal spring ring can be in annular contact with the plug contact on the plug end of the electrode wire, so that the electric contact is more stable, and meanwhile, the metal spring ring is sleeved with the plug end of the electrode wire, has a limiting effect on the plug end and can enhance the installation stability of the plug end.
In some alternative embodiments, the first insulating body is formed by combining at least a first insulating component and a second insulating component, the materials of the first insulating component and/or the second insulating component comprise ceramics or plastics, the first insulating component and the second insulating component comprise a plurality of arc grooves which are linearly arranged along the length direction of the connecting channel, when the first insulating component and the second insulating component are combined to form the first insulating body, at least part of the structure of the metal spring ring is accommodated in the arc grooves, and the first electric connection contact is arranged on the part surface of the inside of the arc grooves, which is at least abutted against the metal spring ring. The technical scheme has the advantages that the split structure is combined into the first insulating body, so that the first insulating body is more convenient to manufacture, meanwhile, the first electric connection contact and the first circuit are also convenient to construct on the first insulating body, the metal spring ring is convenient to assemble into the first channel, and the plurality of arc-shaped grooves have a limiting effect on the metal spring ring, so that the metal spring ring is more stable and firm in installation and electric contact.
In some alternative embodiments, the first insulating body includes a plurality of first hole structures, the first hole structures communicate with the first outer surface and the connection channel, the first circuit includes a first surface circuit disposed on the first outer surface of the first insulating body and a first hole circuit disposed in the first hole structures, the first surface circuit is electrically connected to the second electrical connection contact and the first hole circuit, and the first hole circuit is electrically connected to the first electrical connection contact. The technical scheme has the beneficial effects that the first surface circuit is constructed on the first insulating body, the first hole structure is arranged, the first hole circuit is constructed by utilizing the first hole structure to realize the electric connection, and compared with a circuit which is simply arranged on the surface of the first insulating body, the electric connection between the first outer surface and the inner surface of the connecting channel can be conveniently realized by arranging the hole structure, meanwhile, the first hole structure has certain protection and limiting effects on the first hole circuit, the first hole circuit is prevented from being damaged, and the durability of the circuit is improved.
In some alternative embodiments, the first surface circuitry, the first aperture circuitry, the first electrical connection contact, and the second electrical connection contact are conductive films. The technical scheme has the beneficial effects that the conductive film can be formed by utilizing various coating processes, the first surface circuit, the first hole circuit, the first electric connection contact and the second electric connection contact are constructed by utilizing the conductive film, the large-scale production is convenient, and the consistency of products is improved.
The application further provides a connecting device of the nerve electric stimulation equipment, which comprises a connecting module and a feed-through module, wherein the connecting module is any one of the connecting modules, the feed-through module comprises a second insulating body, a plurality of third electric connecting contacts, a fourth electric connecting contact and a plurality of second circuits, the third electric connecting contacts are arranged on the second insulating body, each third electric connecting contact is electrically connected with at least one fourth electric connecting contact through at least one second circuit, and when the connecting module and the feed-through module are electrically connected, each third electric connecting contact is electrically connected with at least one second electric connecting contact. The technical scheme has the beneficial effects that the feed-through module is used as an intermediate module to realize the electric connection between the circuit in the nerve electric stimulation equipment and the connecting module, so that the electric connection is modularized, and standardized production is convenient to realize.
In some alternative embodiments, the third electrical connection contact is soldered to the second electrical connection contact by gold wire. The technical scheme has the beneficial effects that the gold wire welding can realize automatic production, improves the production efficiency, improves the production standardization level, reduces the production cost, improves the product consistency, and has a more stable and firm electric connection mode compared with wire welding.
In some alternative embodiments, the second insulating body includes a plurality of second hole structures, the second hole structures penetrate through the first surface and the second surface of the second insulating body, the third electrical connection contact is disposed on the first surface of the second insulating body, the fourth electrical connection contact is disposed on the second surface of the second insulating body, the second circuit includes a second surface circuit disposed on the first surface of the second insulating body and a second hole circuit disposed in the second hole structures, the second surface circuit is electrically connected with the third electrical connection contact and the second hole circuit, and the second hole circuit is electrically connected with the fourth electrical connection contact. The technical scheme has the advantages that compared with a circuit simply provided with the surface of the second insulating body, the arrangement of the second hole structure can conveniently realize the electric connection between the first surface and the second surface, and meanwhile, the second hole structure has certain protection and limiting effects on the second hole circuit, so that the second hole circuit is prevented from being damaged, and the durability of the circuit is improved.
In a third aspect, the application also provides nerve electrical stimulation equipment, which comprises an equipment main body and any one of the connecting modules, or comprises the equipment main body and any one of the connecting devices.
The foregoing description is only an overview of the present application, and is presented in terms of preferred embodiments of the present application and the following detailed description of the application in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a nerve electrical stimulation device in the prior art;
FIG. 2 is a schematic sectional view of a portion of a channel connection block of a nerve electrical stimulation device according to the prior art;
Fig. 3 is a schematic cross-sectional structure of a connection module of a nerve electrical stimulation device according to an embodiment of the present application;
fig. 4 is a schematic cross-sectional structure of a connection module of another nerve electrical stimulation device according to an embodiment of the present application;
FIG. 5 is a schematic view illustrating a first perspective of a first insulating assembly according to an embodiment of the present application;
FIG. 6 is a schematic diagram illustrating a second view of a first insulating assembly according to an embodiment of the present application;
fig. 7 is a schematic diagram of a second insulation assembly according to an embodiment of the present application;
fig. 8 is a schematic view illustrating a first view of a feedthrough module according to an embodiment of the present application;
FIG. 9 is a schematic diagram illustrating a second view of a feedthrough module according to an embodiment of the present application;
FIG. 10 is a schematic diagram of an electrical connection between a third electrical connection contact and a second electrical connection contact according to an embodiment of the present application;
fig. 11 is a schematic structural diagram of a nerve electrical stimulation device according to an embodiment of the present application.
In the figure:
10. An existing connection assembly; 101, spring rings, 102, insulating rings, 103, metal rings, 104, feedthrough leads;
20. connection module, 201, first insulating body, 202, first outer surface, 203, connection channel, 204, first electrical connection contact, 205, second electrical connection contact, 206, first circuit, 207, elastic electrical connector, 208, metal spring ring;
30. 301, plug contacts;
40. first insulating assembly 401, arcuate recess 402, first hole structure 403, first surface circuitry;
50. A second insulating assembly;
60. feed-through module, 601, second insulator, 602, third electrical connection contact, 603, fourth electrical connection contact, 604, second circuit, 605, second hole structure, 606, first surface, 607, second surface, 608, second surface circuit
70. Welding gold wires;
80. An apparatus main body.
Detailed Description
The following describes in further detail the specific embodiments of the present application with reference to the drawings and examples. The following examples are illustrative of the application and are not intended to limit the scope of the application.
Referring to fig. 1 and 2, in the prior art, the existing connection assembly 10 of the nerve stimulation device is separate, and in the assembly, a corresponding number of channel connection blocks are selected according to the number of channel connection blocks required, for example, 4 channel connection blocks are selected for assembly according to the requirement, and the channel connection blocks are at least composed of a spring ring 101, an insulating ring 102 and a metal ring 103, and are conducted through contact between the metal ring 103 and the spring ring 101. The connection of the channel connection block of the nerve stimulation device to the motherboard is by means of feedthrough leads 104.
Referring to fig. 2, in the prior art, a spring ring 101, an insulating ring 102 and a metal ring 103 form a channel connection block, a plugging end 30 of an electrode wire is installed into the channel connection block, and a plurality of contacts on the plugging end 30 are respectively contacted with the spring ring 101 to realize electrical connection, and continue to communicate with the metal ring 103 contacted with the spring ring 101 and other circuits electrically connected with the metal ring 103, so that the electrical connection between the circuits in the nerve electro-stimulation device and the nerve electro-stimulation electrode is finally realized. The plurality of alternate insulating rings 102 and the metal rings 103 are assembled to form the channel connecting block, so that the volume of the channel connecting block is larger, the channel connecting block brings great trauma to patients, the production and the assembly are inconvenient, assembly errors are generated, and the problem of poor product consistency is caused
In addition, in practical applications, the feedthrough lead 104 needs to be bent to be welded with the metal ring 103 in the channel connection block, so that sufficient space is required for the feedthrough lead 104 to ensure bending strength of the feedthrough lead 104, and the channel connection block needs to have a sufficient volume for facilitating welding. The problem that the channel connecting block is large in size and difficult to operate in welding is generated.
Referring to fig. 3, in order to solve the above-mentioned technical problems, an embodiment of the present application provides a connection module 20 of a nerve electrical stimulation device, which is used for being electrically connected with an electrode lead, one end of the electrode lead is connected with the nerve electrical stimulation device through the connection module 20, and the other end of the electrode lead is connected with an electrode.
The connection module 20 may comprise a first insulation body 201, the first insulation body 201 is provided with a first outer surface 202 and a connection channel 203, the connection channel 203 is used for installing a plug-in end 30 of an electrode wire, a plurality of first electric connection contacts 204 are arranged in the connection channel 203 and are used for being electrically connected with plug-in contacts 301 of the electrode wire, the connection module 20 further comprises a plurality of second electric connection contacts 205 and a plurality of first circuits 206, and each second electric connection contact 205 is arranged on the first outer surface 202 and is electrically connected with the first electric connection contact 204 through the first circuit 206.
It should be noted that, in fig. 3, for convenience of illustration, the number of the first electrical connection contact 204, the second electrical connection contact 205, and the first circuit 206 are only 1, fig. 3 is only a schematic diagram, and the number of components therein is not a limitation on the scope of the present application, and in other embodiments, the number of the first electrical connection contact 204, the second electrical connection contact 205, and the first circuit 206 may be further provided.
In the present application, the electrical contact means only a specific point-like structure, for example, a bump structure may be additionally disposed on the first outer surface 202, and the bump structure may be electrically connected to the first circuit 206, and the bump structure may be soldered to a wire to make an electrical connection, where the bump structure may be used as the second electrical contact 205, or, instead of additionally disposed, a portion of the first circuit 206 may be further extended or expanded, and the portion may be soldered or lapped to a conductor to make an electrical connection, and then the extension or expansion may be used as the second electrical contact 205, or, alternatively, a portion of the first circuit 206 may be extended in the connection channel 203, and the portion may be directly contacted to a plurality of contacts on the electrode wire plug end 30 or indirectly contacted by an intermediate conductive member (e.g. a metal spring ring 208) to make an electrical connection, and then the extension of the first circuit 206 in the connection channel 203 may be used as the first electrical contact 204.
From this, set up first electric connection contact 204, first circuit 206 and second electric connection contact 205 on first insulating body 201, replace the structure of insulating ring 102 and metal ring 103 that alternates each other among the prior art, realize the function of being connected with the electrode wire electricity, the connection module 20 in this technical scheme compact structure, it is small, the wound to the patient is littleer, and need not to carry out the equipment of insulating ring 102 and metal ring 103, save the process, do not have assembly error, the uniformity of product is good.
Referring to fig. 4, in some embodiments, the connection module 20 may further include a plurality of elastic electrical connectors 207, where the plurality of elastic electrical connectors 207 are disposed inside the connection channel 203 and are aligned along the length direction of the connection channel 203, and each of the elastic electrical connectors 207 is electrically connected to one of the first electrical connection contacts 204 and is electrically connected to one of the socket contacts 301 of the electrode lead. Thus, the first electrical connection contact 204 is electrically connected with one contact on the plugging end 30 of the electrode wire by the elastic electrical connection member 207, and the elastic electrical connection member 207 has elasticity, so that the electrical connection between the first electrical connection contact 204 and one contact on the plugging end 30 of the electrode wire is more stable.
With continued reference to fig. 4, in some embodiments, the resilient electrical connector 207 may be a metal spring ring 208, where the metal spring ring 208 is, for example, a canted ring spring, and a plurality of the metal spring rings 208 are configured to be sleeved on a plurality of plug contacts 301 of the plug end 30 of the electrode lead. Therefore, the metal spring ring 208 and the plug contact 301 of the electrode wire can be in annular contact, electric contact is more stable, meanwhile, the metal spring ring 208 is sleeved with the plug end 30 of the electrode wire, the plug end 30 is limited, the plug end 30 is prevented from being separated from the connecting channel 203, and the installation stability of the plug end 30 can be enhanced.
Referring to fig. 5, 6 and 7, in some embodiments, the first insulating body 201 is formed by combining at least a first insulating component 40 and a second insulating component 50, the material of the first insulating component 40 and/or the second insulating component 50 may include ceramic or plastic, the first insulating component 40 and the second insulating component 50 may include a plurality of arc grooves 401 aligned along the length direction of the connecting channel 203, when the first insulating component 40 and the second insulating component 50 are combined to form the first insulating body 201, at least a part of the metal coil 208 is accommodated in the arc grooves 401, and the first electrical connection contacts 204 are disposed on at least a part of the surface of the arc grooves 401 that is abutted against the metal coil 208.
When the material of the first insulating component 40 or the second insulating component 50 comprises plastics, the PEEK material is preferably adopted, and has the advantages of high temperature resistance, self lubrication, easy processing and high mechanical strength, so that the processing and forming of the first insulating component 40 and the second insulating component 50 can be facilitated, and meanwhile, the service life of the nerve electrical stimulation device is prolonged due to the higher mechanical strength.
Therefore, the split structure is combined into the first insulating body 201, so that the first insulating body 201 is more convenient to manufacture, meanwhile, the first electric connection contact 204 and the first circuit 206 are also convenient to construct on the first insulating body 201, the metal spring ring 208 is convenient to assemble into the first channel, and the plurality of arc-shaped grooves 401 have a limiting effect on the metal spring ring 208, so that the metal spring ring 208 is more stable and firm in installation and electric contact.
With continued reference to fig. 5 and 6, in some embodiments, the first insulating body 201 may include a plurality of first hole structures 402, the first hole structures 402 communicating with the first outer surface 202 and the connection channels 203, the first circuit 206 including a first surface circuit 403 disposed on the first outer surface 202 of the first insulating body 201 and a first hole circuit (not shown, the same applies below) disposed in the first hole structures 402, the first surface circuit 403 electrically connecting the second electrical connection contacts 205 and the first hole circuit, the first hole circuit electrically connecting the first electrical connection contacts 204.
The first hole circuit may be formed by filling a conductive material in the hole, or may be formed by electroplating a conductive layer in the hole.
Therefore, the first surface circuit 403 is constructed on the first insulating body 201, the first hole structure 402 is arranged, the first hole structure 402 is used for constructing the first hole circuit to realize the electric connection, the electric connection between the first outer surface 202 and the inner surface of the connecting channel 203 can be conveniently realized by arranging the hole structure compared with the circuit which simply arranged the surface of the first insulating body 201, meanwhile, the first hole structure 402 has certain protection and limit functions on the first hole circuit, the first hole circuit is prevented from being damaged, and the durability of the circuit is improved.
In some embodiments, the first surface circuitry 403, the first aperture circuitry, the first electrical connection contact 204, and the second electrical connection contact 205 may be conductive films.
The conductive film may be formed on the first insulating body 201 by a film plating process, for example, electroplating, magnetron sputtering, CVD, etc., and as the first surface circuit 403, the first hole circuit, the first electrical connection contact 204, and the second electrical connection contact 205, the film circuit may be preferably formed by an electroplating method, which has low cost and high productivity, and the film circuit has high bonding force with the first insulating body 201, and further preferably, the electroplating type includes electroplating with gold or electroplating with titanium or a combination of both.
Thus, the conductive film can be formed by using various plating processes, and the first surface circuit 403, the first hole circuit, the first electrical connection contact 204, and the second electrical connection contact 205 are constructed by using the conductive film, so that mass production is facilitated, and uniformity of products is improved.
The embodiment of the application also provides a connecting device of the nerve electric stimulation equipment, which comprises a connecting module 20 and a feed-through module 60 shown in fig. 8 and 9, wherein the connecting module 20 is the connecting module 20 provided by any embodiment, the feed-through module 60 comprises a second insulating body 601, a plurality of third electric connecting contacts 602, a fourth electric connecting contact 603 and a plurality of second circuits 604, the third electric connecting contacts 602 are respectively electrically connected with at least one fourth electric connecting contact 603 through at least one second circuit 604, and when the connecting module 20 and the feed-through module 60 are electrically connected, each third electric connecting contact 602 is respectively electrically connected with at least one second electric connecting contact 205. Thus, the feedthrough module 60 is used as an intermediate module to electrically connect the circuit in the nerve electrical stimulation device with the connection module 20, so that the electrical connection module 20 is standardized, and standardized production is facilitated.
In some embodiments, the third electrical connection contact 602 is soldered to the second electrical connection contact 205 by gold wire.
The manner of gold wire bonding is shown in fig. 10, for example, in which the third electrical connection contact 602 and the second electrical connection contact 205 are connected by the bonding gold wire 70.
Therefore, the gold wire welding can realize automatic production, improves the production efficiency, improves the production standardization level, reduces the production cost, improves the product consistency, and the electric connection mode of the gold wire welding is more stable and firm compared with the wire welding.
With continued reference to fig. 8 and 9, in some embodiments, the second insulator 601 includes a plurality of second hole structures 605, the second hole structures 605 extend through the first surface 606 and the second surface 607 of the second insulator 601, the third electrical connection contact 602 is disposed on the first surface 606 of the second insulator 601, the fourth electrical connection contact 603 is disposed on the second surface 607 of the second insulator 601, and the second circuit 604 includes a second surface circuit 608 disposed on the first surface 606 of the second insulator 601 and a second hole circuit (not shown, hereinafter referred to) disposed in the second hole structures 605, the second surface circuit 608 electrically connects the third electrical connection contact 602 and the second hole circuit, and the second hole circuit electrically connects the fourth electrical connection contact 603.
The second hole circuit may be formed by filling a conductive material in the hole, or by electroplating a conductive layer in the hole.
Therefore, compared with a circuit simply provided with the surface of the second insulating body 601, the second hole structure 605 can conveniently realize the electric connection between the first surface 606 and the second surface 607, and meanwhile, the second hole structure 605 has certain protection and limiting effects on the second hole circuit, so that the second hole circuit is prevented from being damaged, and the durability of the circuit is improved.
The application also provides nerve electrical stimulation equipment, which comprises equipment main body 80 and the connecting module 20 provided in any embodiment, or comprises equipment main body 80 and the connecting device provided in any embodiment. The nerve electrical stimulation device is, for example, a pulse generator.
By adopting the connecting module 20, the volume of the nerve electric stimulation equipment is reduced, the consistency of products is improved, and the nerve electric stimulation equipment can be better applied to patients with nerve electric stimulation requirements.
The above is only a preferred embodiment of the present application, and it should be noted that it should be understood by those skilled in the art that several improvements and modifications can be made without departing from the technical principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (9)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111022214.5A CN113694373B (en) | 2021-09-01 | 2021-09-01 | Nerve electrical stimulation device and connection module and connection device thereof |
| PCT/CN2021/118192 WO2023029086A1 (en) | 2021-09-01 | 2021-09-14 | Electrical nerve stimulation device, and connection module and connection apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111022214.5A CN113694373B (en) | 2021-09-01 | 2021-09-01 | Nerve electrical stimulation device and connection module and connection device thereof |
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| CN113694373A CN113694373A (en) | 2021-11-26 |
| CN113694373B true CN113694373B (en) | 2025-02-25 |
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| WO (1) | WO2023029086A1 (en) |
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| CN115173108B (en) * | 2022-08-10 | 2024-12-03 | 景昱医疗科技（苏州）股份有限公司 | Connector, processing method and stimulation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112604158A (en) * | 2020-12-11 | 2021-04-06 | 苏州景昱医疗器械有限公司 | Implantable medical device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012068385A2 (en) * | 2010-11-18 | 2012-05-24 | Medtronic, Inc. | Implantable medical device with swappable headers |
| EP2678072B1 (en) * | 2011-02-24 | 2022-06-15 | Boston Scientific Neuromodulation Corporation | Implantable neurostimulator with a circuit board and a connector |
| US8954151B2 (en) * | 2013-01-29 | 2015-02-10 | Boston Scientific Neuromodulation Corporation | RF resistant feedthrough assembly and electrical stimulation systems containing the assembly |
| WO2016123130A1 (en) * | 2015-01-30 | 2016-08-04 | Boston Scientific Neuromodulation Corporation | Wrap-around container for control module of electrical stimulation systems and method of making |
| CN204485070U (en) * | 2015-02-06 | 2015-07-22 | 北京品驰医疗设备有限公司 | A kind of electric pulse stimulation test lead and electric pulse stimulation test set |
| EP3790623B1 (en) * | 2018-05-11 | 2023-07-05 | Boston Scientific Neuromodulation Corporation | Connector assembly for an electrical stimulation system |
| US11395924B2 (en) * | 2019-01-07 | 2022-07-26 | Micro-Leads, Inc. | Implantable devices with welded multi-contact electrodes and continuous conductive elements |
| CN110801577A (en) * | 2019-11-26 | 2020-02-18 | 清华大学 | A neural electrical stimulation system that can be configured with multiple implanted electrodes |
| CN111744110B (en) * | 2020-06-05 | 2024-10-29 | 清华大学 | Pulse generator and implanted nerve stimulation system with wiring groove arranged on one side |
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- 2021-09-14 WO PCT/CN2021/118192 patent/WO2023029086A1/en active Application Filing
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| CN112604158A (en) * | 2020-12-11 | 2021-04-06 | 苏州景昱医疗器械有限公司 | Implantable medical device and system |
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| CN113694373A (en) | 2021-11-26 |
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