CN113694373A - Nerve electrical stimulation equipment and connecting module and connecting device thereof - Google Patents
Nerve electrical stimulation equipment and connecting module and connecting device thereof Download PDFInfo
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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
- A61N1/0526—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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Abstract
The application provides a nerve electrical stimulation equipment and connection module and connecting device thereof, connection module are used for being connected with the electrode wire electricity, and connection module includes: the first insulation body is provided with a first outer surface and a connecting channel, the connecting channel is used for installing the plugging end of the electrode lead, a plurality of first electric connection contact points are arranged in the connecting channel, and the first electric connection contact points are used for being electrically connected with the plugging contact points on the plugging end of the electrode lead; the connection module further includes: a plurality of second electrical connection contacts, a plurality of first electrical circuits; each second electrical connection contact is arranged on the first outer surface and is electrically connected with the first electrical connection contact through the first circuit respectively. The structure of the insulating ring and the metal ring which are alternated mutually in the prior art is replaced, so that the connecting module is compact in structure, small in size and small in wound to a patient, assembling of the insulating ring and the metal ring is not needed, working procedures are saved, assembling errors are avoided, and the consistency of products is good.
Description
Technical Field
The application relates to the technical field of electrical nerve stimulation medical equipment, in particular to electrical nerve stimulation equipment and a connecting module and a connecting device thereof.
Background
The deep brain electrical stimulation therapy has the function of effectively treating related diseases by performing electric pulse stimulation on different functional nuclei in the deep brain, and is a reversible nerve regulation treatment method. At present, deep brain electrical stimulation therapy can be applied to treatment of diseases such as Parkinson, epilepsy, spasm, essential tremor and the like, and extensive application research is also being developed in the aspects of treatment of Alzheimer syndrome, refractory depression, post-stroke rehabilitation, pain and the like.
The implanted part in the body of the traditional deep brain electrical stimulation system generally comprises a pulse generator, an extension lead, an electrode fixing device and the like. The pulse generator is implanted under the chest skin and connected with the extension lead, the extension lead is connected with the electrode through the neck skin tunnel, and the electrode penetrates through the skull to be in contact with a target point and is fixed on the skull through a fixing device.
Chinese invention patent CN111744110A discloses a pulse generator and an implanted neurostimulation system arranged at one side of a wiring slot, which comprises a housing, a circuit board mounted inside the housing, and a feed-through lead electrically connected with the circuit board; the feed-through lead is inserted into the top cover part and electrically connected with the electrode connecting device; the electrode connecting devices are arranged in the top cover body in parallel towards the direction far away from the main body component. The skull bone is lighter and thinner, the depth of the bone groove formed on the skull bone 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 CN 111744110A) of the nerve electrical stimulation device (pulse generator in CN 111744110A) includes a connection channel assembled by an insulation ring and a metal ring (connector 301 in CN 111744110A) which are alternated with each other, and the electrical connection between the circuit in the pulse generator and the connection module often adopts a lead connection manner, so that the connection module has a large volume, which causes great trauma to patients, and is inconvenient to produce and assemble, and causes assembly errors, resulting in poor product consistency.
Disclosure of Invention
An object of the application is to provide a nerve electrical stimulation equipment and connection module and connecting device thereof, solve among the prior art nerve electrical stimulation equipment's connection module's volume great, bring great wound for the patient to it is inconvenient to produce the equipment, produces assembly error, leads to the poor problem of product uniformity.
The purpose of the application is realized by the following technical scheme:
in a first aspect, the present application provides a connection module of a nerve electrical stimulation apparatus for electrically connecting with an electrode lead, the connection module including: the electrode lead comprises a first insulating body and a second insulating body, wherein the first insulating body is provided with a first outer surface and a connecting channel, the connecting channel is used for installing a plugging end of the electrode lead, a plurality of first electric connection contact points are arranged in the connecting channel, and the first electric connection contact points are used for being electrically connected with plugging contacts on the plugging end of the electrode lead; the connection module further includes: a plurality of second electrical connection contacts, a plurality of first electrical circuits; each second electrical connection contact is disposed on the first outer surface and is electrically connected to the first electrical connection contact through the first circuit, respectively.
The technical scheme has the beneficial effects that: set up first electricity and connect contact point, first circuit and second electricity on first insulator, replace the structure of insulator ring and becket of mutual alternation among the prior art, realize the function of being connected with the electrode wire electricity, the connection module compact structure among this technical scheme, it is small, it is littleer to patient's wound, and need not to carry out the equipment of insulator ring and becket, saves the process, does not have assembly error, and the uniformity of product is good.
In some optional embodiments, the connection module further includes a plurality of elastic electrical connectors, the plurality of elastic electrical connectors are disposed inside the connection channel and are linearly arranged along the 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 lead. The technical scheme has the beneficial effects that: the first electric connection contact is electrically connected with a contact on the plugging end of the electrode lead by the elastic electric connecting piece, and the elastic electric connecting piece has elasticity, so that the first electric connection contact is more stably electrically connected with the contact on the plugging end of the electrode lead.
In some alternative embodiments, the elastic electrical connection is a metal spring ring for being fitted over a plurality of plug contacts of the plug end of the electrode lead. The technical scheme has the beneficial effects that: the metal spring ring can contact with the plug contact on the plug end of the electrode wire in an annular mode, the electric contact is more stable, meanwhile, the metal spring ring is sleeved with the plug end of the electrode wire, the plug end is limited, and the stability of installation of the plug end can be enhanced.
In some optional embodiments, the first insulating body is formed by combining at least a first insulating element and a second insulating element, and the material of the first insulating element and/or the second insulating element comprises ceramic or plastic; the first insulating assembly and the second insulating assembly comprise a plurality of arc-shaped grooves which are linearly arranged along the length direction of the connecting channel, and when the first insulating assembly and the second insulating assembly are combined to form the first insulating body, at least part of structures of the metal spring ring are accommodated in the arc-shaped grooves; the first electric connection contact point is arranged on at least one part of the surface of the inner part of the arc-shaped groove, which is abutted against the metal spring ring. The technical scheme has the beneficial effects that: the first insulating body is combined by utilizing a split structure, so that the first insulating body is more convenient to manufacture, meanwhile, a first electric connection contact point and a first circuit are conveniently constructed on the first insulating body, and the metal spring ring is conveniently assembled into the first channel; a plurality of arc recesses have limiting displacement to the metal spring coil for the installation and the electric contact of metal spring coil are firm more.
In some optional embodiments, the first insulator body comprises a plurality of first hole structures, the first hole structures communicate with the first outer surface and the connection channel, and the first circuit comprises a first surface circuit disposed on the first outer surface of the first insulator body and a first hole circuit disposed in the first hole structures; the first surface circuit electrically connects the second electrical connection contact and the first via circuit, which electrically connects the first electrical connection contact. The technical scheme has the beneficial effects that: construct first surface circuit on first insulator to set up first pore structure, utilize first pore structure to construct first pore circuit and be used for realizing above-mentioned electricity and connect, pore structure's setting is compared and is set up the circuit on first insulator surface simply, the electricity connection of the internal surface of realization first surface and interface channel that can be convenient, and simultaneously, first pore structure has certain protection and limiting displacement to first pore circuit, avoids first pore circuit to be destroyed, has improved the durability of circuit.
In some alternative embodiments, the first surface circuit, the first via circuit, 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, and the first surface circuit, the first hole circuit, the first electric connection contact point and the second electric connection contact point are constructed by utilizing the conductive film, so that the large-scale production is facilitated, and the consistency of products is improved.
In a second aspect, the application also provides a connection device of a nerve electrical stimulation device, which comprises a connection module and a feed-through module, wherein the connection module is any one of the connection modules; the feed-through module comprises a second insulating body and a plurality of third electric connection contact points, a plurality of fourth electric connection contact points and a plurality of second circuits which are arranged on the second insulating body, wherein each third electric connection contact point is electrically connected with at least one fourth electric connection contact point through at least one second circuit; each of the third electrical connection contacts is electrically connected to at least one of the second electrical connection contacts when the connection module and the feedthrough module are electrically connected. The technical scheme has the beneficial effects that: the feed-through module is used as the middle module to realize the electric connection between the circuit in the nerve electrical stimulation device and the connecting module, so that the electric connection is modularized, and the standardized production is convenient to realize.
In some alternative embodiments, the third electrical connection contact and the second electrical connection contact are electrically connected by gold wire bonding. The technical scheme has the beneficial effects that: the gold thread welding can realize automated production, improves production efficiency, improves the standardized level of production, and reduction in production cost improves the product uniformity to, gold thread welded electric connection mode compares and welds more stably firm in the wire.
In some optional embodiments, the second insulative housing includes a plurality of second via structures extending through the first and second surfaces of the second insulative housing, the third electrical contact disposed on the first surface of the second insulative housing, the fourth electrical contact disposed on the second surface of the second insulative housing, the second electrical circuit including second surface circuitry disposed on the first surface of the second insulative housing and second via circuitry disposed in the second via structures, the second surface circuitry electrically connecting the third electrical contact and the second via circuitry, the second via circuitry electrically connecting the fourth electrical contact. The technical scheme has the beneficial effects that: the setting of second pore structure is compared with the circuit that sets up the second insulator surface alone, and the realization first surface that can be convenient is connected with the electricity on second surface, and simultaneously, second pore structure has certain protection and limiting displacement to second pore circuit, avoids second pore circuit to be destroyed, has improved the durability of circuit.
In a third aspect, the present application also provides a nerve electrical stimulation apparatus, comprising an apparatus main body and any one of the connection modules described above; or, comprises an apparatus body and any one of the above-mentioned connecting devices.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following description is made with reference to the preferred embodiments of the present application and the detailed drawings.
Drawings
FIG. 1 is a schematic diagram of a prior art electrical nerve stimulation apparatus;
FIG. 2 is a schematic cross-sectional view of a channel connection block of a nerve electrical stimulation apparatus in the prior art;
fig. 3 is a schematic sectional structure view of a connection module of a neural electrical stimulation apparatus according to an embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view of another connecting module of the electrical nerve stimulation apparatus provided in the embodiments of the present application;
fig. 5 is a schematic view of a first insulating assembly according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram illustrating a second perspective view of a first insulating assembly according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of a second insulation assembly provided in accordance with an embodiment of the present application;
fig. 8 is a schematic diagram illustrating a first view of a feedthrough module according to an embodiment of the present disclosure;
fig. 9 is a schematic diagram illustrating a second perspective view of a feed-through module according to an embodiment of the present disclosure;
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 disclosure;
fig. 11 is a schematic structural diagram of a neural electrical stimulation device according to an embodiment of the present application.
In the figure:
10. an existing connection assembly; 101. a spring ring; 102. an insulating ring; 103. a metal ring; 104. a feedthrough lead;
20. a connection module; 201. a first insulating body; 202. a first outer surface; 203. a connecting channel; 204. a first electrical connection contact; 205. a second electrical connection contact; 206. a first circuit; 207. an elastic electrical connector; 208. a metal spring ring;
30. a plug end; 301. inserting contacts;
40. a first insulating assembly; 401. an arc-shaped groove; 402. a first pore structure; 403. a first surface circuit;
50. a second insulating assembly;
60. a feedthrough module; 601. a second insulating body; 602. a third electrical connection contact; 603. a fourth electrical connection contact; 604. a second circuit; 605. a second pore structure; 606. a first surface; 607. a second surface; 608. second surface circuit
70. Welding a gold wire;
80. an apparatus main body.
Detailed Description
The following describes in detail a specific embodiment of the present application with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
Referring to fig. 1 and 2, in the prior art, an existing connection assembly 10 of a nerve electrical stimulation device is independent, and during assembly, according to the number of required channel connection blocks, a corresponding number of channel connection blocks are selected to be assembled, for example, 4 channel connection blocks are selected to be assembled when 4 channels are required, and each channel connection block at least comprises a spring ring 101, an insulating ring 102 and a metal ring 103, and is communicated through contact between the metal ring 103 and the spring ring 101. The connection of the channel connection block of the nerve electrical stimulation apparatus to the main board is connected by means of feed-through 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 plug end 30 of an electrode lead is installed into the channel connection block, a plurality of contacts on the plug end 30 are respectively in contact with the spring ring 101 to realize electrical connection, and are continuously communicated with the metal ring 103 in contact with the spring ring 101 and other circuits electrically connected with the metal ring 103, so that electrical connection between a circuit in the electrical nerve stimulation device and an electrical nerve stimulation electrode is finally realized. The channel connecting block is formed by assembling a plurality of alternating insulating rings 102 and metal rings 103, so that the volume of the channel connecting block is large, great wound is brought to a patient, production and assembly are inconvenient, assembly errors are generated, and the problem of poor product consistency is caused
In addition, in practical application, the feed-through lead 104 needs to be bent to be welded with the metal ring 103 in the channel connection block, so as to ensure the bending strength of the feed-through lead 104, enough space needs to be provided for the feed-through lead 104, and the channel connection block needs to have enough volume for welding. The produced channel connecting block has large volume and is not easy to operate during welding.
Referring to fig. 3, in order to solve the above technical problem, an embodiment of the present invention provides a connection module 20 of a neural electrical stimulation device, configured to be electrically connected to an electrode lead, where one end of the electrode lead is connected to the neural electrical stimulation device through the connection module 20, and the other end of the electrode lead is connected to an electrode.
The connection module 20 may include: a first insulating body 201, the first insulating body 201 having a first outer surface 202 and a connecting channel 203, the connecting channel 203 being used for mounting the plug end 30 of the electrode lead, a plurality of first electrical connection contacts 204 being arranged in the connecting channel 203, the first electrical connection contacts 204 being used for electrical connection with the plug contacts 301 of the electrode lead; the connection module 20 further includes: a plurality of second electrical connection contacts 205, a plurality of first electrical circuits 206; each of the second electrical connection contacts 205 is disposed on the first outer surface 202 and electrically connected to the first electrical connection contact 204 via 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 is only shown as 1, fig. 3 is only a schematic diagram, the number of components therein is not a limitation to 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 respectively more.
In the present application, the electrical connection contact point refers to an electrical contact position for achieving electrical connection, and is not limited to a specific point-like structure, for example, a protruding structure may be additionally provided on the first outer surface 202, the protruding structure is electrically connected to the first circuit 206, the protruding structure can be soldered to a wire for achieving electrical connection, in this case, the protruding structure can be used as the second electrical connection contact point 205, or the protruding structure is not additionally provided, but the first circuit 206 continues to extend or expand a portion, which can be soldered or overlapped with a conductor for achieving electrical connection, the extension or expansion can be used as the second electrical connection contact point 205, or the first circuit 206 extends a portion in the connection channel 203, which can be in direct contact with a plurality of contacts on the electrode wire insertion end 30 or in indirect contact with an intermediate conductive member (such as a metal spring ring 208), an electrical connection is made, and the extension of the first circuit 206 within the connection channel 203 may then serve as the first electrical connection contact 204.
Therefore, the first electric connection contact point 204, the first circuit 206 and the second electric connection contact point 205 are arranged on the first insulating body 201, the structure of the insulating ring 102 and the metal ring 103 which are mutually alternated in the prior art is replaced, and the function of electric connection with the electrode lead is realized.
Referring to fig. 4, in some embodiments, the connection module 20 may further include a plurality of elastic electrical connectors 207, the plurality of elastic electrical connectors 207 are disposed inside the connection channel 203 and are linearly arranged 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 plug contacts 301 of the electrode lead. Thereby, the first electrical connection contact 204 is electrically connected to one contact on the mating end 30 of the electrode lead by means of the elastic electrical connector 207, which elastic electrical connector 207 has elasticity such that the electrical connection of the first electrical connection contact 204 to one contact on the mating end 30 of the electrode lead is more stable.
With continued reference to fig. 4, in some embodiments, the elastic electrical connector 207 may be a metal spring ring 208, the metal spring ring 208 being, for example, a canted coil spring, and a plurality of metal spring rings 208 are provided for fitting over a plurality of mating contacts 301 of the mating end 30 of the electrode lead one by one. Therefore, the metal spring ring 208 can be in annular contact with the plug contact 301 of the electrode lead, the electrical contact is more stable, meanwhile, the metal spring ring 208 is sleeved on the plug end 30 of the electrode lead, the plug end 30 is limited, the plug end 30 is prevented from being separated from the connecting channel 203, and the mounting 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 at least combining a first insulating element 40 and a second insulating element 50, and the material of the first insulating element 40 and/or the second insulating element 50 may include ceramic or plastic; the first insulating assembly 40 and the second insulating assembly 50 may include a plurality of arc-shaped grooves 401 arranged in a straight line along the length direction of the connecting channel 203, and when the first insulating assembly 40 and the second insulating assembly 50 are combined to form the first insulating body 201, at least part of the structure of the metal spring ring 208 is received in the arc-shaped grooves 401; the first electrical contact point 204 is arranged on at least a part of the surface of the inside of the arc-shaped groove 401 that abuts against the metal spring ring 208.
When the first insulating element 40 or the second insulating element 50 is made of ceramic, the preferred ceramic materials are bioceramic or composite bioceramic materials and coated bioceramic materials, such as coated bioceramic materials formed by spraying bioceramic coatings on all outer surfaces of a titanium alloy substrate; when first insulating subassembly 40 or second insulating subassembly 50's material includes the plastic, preferred adoption PEEK material, the PEEK material has high temperature resistant, self-lubricating, workable and high mechanical strength's advantage, can make things convenient for the machine-shaping of first insulating subassembly 40 and second insulating subassembly 50, and higher mechanical strength has improved nerve electrical stimulation equipment's life simultaneously.
Therefore, the first insulating body 201 is assembled by using a split structure, so that the first insulating body 201 is more convenient to manufacture, and meanwhile, the first electrical connection contact point 204 and the first circuit 206 are conveniently constructed on the first insulating body 201, and the metal spring ring 208 is conveniently assembled into the first channel; the plurality of arcuate grooves 401 provide a stop for the spring ring 208, making the installation and electrical contact of the spring ring 208 more secure.
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 the first outer surface 202 and the connecting channel 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 below) disposed in the first hole structures 402; the first surface circuit 403 electrically connects the second electrical connection contact 205 and the first via circuit, which electrically connects the first electrical connection contact 204.
The first hole circuit can be formed by filling a conductive material in the hole or by electroplating a conductive layer in the hole.
From this, establish first surface circuit 403 on first insulator 201 to set up first pore structure 402, utilize first pore structure 402 to establish first pore circuit and be used for realizing above-mentioned electricity and connect, the setting of pore structure is compared the circuit that simply sets up first insulator 201 surface, the electricity of the internal surface of realization first surface 202 and connecting channel 203 that can be convenient is connected, simultaneously, first pore structure 402 has certain protection and limiting displacement to first pore circuit, avoid first pore circuit to be destroyed, the durability of circuit has been improved.
In some embodiments, the first surface circuit 403, the first via circuit, the first electrical connection pad 204, and the second electrical connection pad 205 may be conductive films.
The conductive film can be formed on the first insulating body 201 as the first surface circuit 403, the first via circuit, the first electrical connection contact 204 and the second electrical connection contact 205 by using a plating process, such as electroplating, magnetron sputtering, CVD, and the like, and preferably, the conductive film can be formed by using an electroplating method, which has low cost, high productivity, and high bonding force between the conductive film and the first insulating body 201; further preferably, the kind of plating includes gold plating or titanium plating or a combination of both.
Therefore, a plurality of coating processes can be utilized to form the conductive film, and the first surface circuit 403, the first hole circuit, the first electrical connection contact point 204 and the second electrical connection contact point 205 are constructed by utilizing the conductive film, so that the large-scale production is facilitated, and the consistency of products is improved.
The embodiment of the present application further provides a connection device for a nerve electrical stimulation device, including a connection module 20 and a feed-through module 60 shown in fig. 8 and 9, where the connection module 20 is the connection module 20 provided in any one of the above embodiments; the feed-through module 60 comprises a second insulating body 601 and a plurality of third electrical connection contacts 602, fourth electrical connection contacts 603 and a plurality of second circuits 604 arranged on the second insulating body 601, each third electrical connection contact 602 being electrically connected to at least one fourth electrical connection contact 603 through at least one second circuit 604; each of the third electrical connection contacts 602 is electrically connected to at least one of the second electrical connection contacts 205, respectively, when the connection module 20 and the feedthrough module 60 are electrically connected. Therefore, the feed-through module 60 is used as an intermediate module to realize the electrical connection between the circuit in the nerve electrical stimulation device and the connection module 20, so that the electrical connection module 20 is formed, and the standardized production is convenient to realize.
In some embodiments, the third electrical connection contact 602 is electrically connected to the second electrical connection contact 205 by gold wire bonding.
The manner of bonding by gold wire is shown in fig. 10, wherein the third electrical connection contact 602 and the second electrical connection contact 205 are connected by a bonding gold wire 70.
From this, gold thread welding can realize automated production, improves production efficiency, improves the standardized level of production, and reduction in production cost improves the product uniformity to, gold thread welded electric connection mode compares and welds more stably firm in the wire.
With continued reference to fig. 8 and 9, in some embodiments, the second insulating body 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 insulating body 601, the third electrical connection contact 602 is disposed on the first surface 606 of the second insulating body 601, the fourth electrical connection contact 603 is disposed on the second surface 607 of the second insulating body 601, the second circuit 604 includes a second surface circuit 608 disposed on the first surface 606 of the second insulating body 601 and a second hole circuit (not shown, the same applies below) 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 can be formed by filling a conductive material in the hole or by electroplating a conductive layer in the hole.
Therefore, compared with a circuit which is simply arranged on the surface of the second insulating body 601, the arrangement of 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 present application also provides a further electrical nerve stimulation apparatus, comprising an apparatus main body 80 and the connection module 20 provided in any of the above embodiments; or, comprises the apparatus main body 80 and the connecting device provided in any of the above embodiments. The neural electrical stimulation device is, for example, a pulse generator.
Due to the adoption of the connecting module 20, the volume of the nerve electrical stimulation device is reduced, the consistency of products is improved, and the nerve electrical stimulation device can be better applied to patients with nerve electrical stimulation requirements.
The above is only a preferred embodiment of the present application and is not intended to limit the present application, it should be noted that, for those skilled in the art, 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 regarded as the protection scope of the present application.
Claims (10)
1. A connection module of a nerve electrical stimulation apparatus for electrical connection with an electrode lead, the connection module comprising: the electrode lead comprises a first insulating body and a second insulating body, wherein the first insulating body is provided with a first outer surface and a connecting channel, the connecting channel is used for installing a plugging end of the electrode lead, a plurality of first electric connection contact points are arranged in the connecting channel, and the first electric connection contact points are used for being electrically connected with plugging contacts on the plugging end of the electrode lead;
the method is characterized in that: the connection module further includes: a plurality of second electrical connection contacts, a plurality of first electrical circuits;
each second electrical connection contact is disposed on the first outer surface and is electrically connected to the first electrical connection contact through the first circuit, respectively.
2. The connection module of claim 1, wherein: the connecting module further comprises a plurality of elastic electric connecting pieces, the elastic electric connecting pieces are arranged inside the connecting channel and are linearly arranged along the length direction of the connecting channel, and each elastic electric connecting piece is electrically connected with one first electric connecting contact and is respectively used for being electrically connected with one inserting contact on the inserting end of the electrode lead.
3. The connection module of claim 2, wherein: the elastic electric connecting piece is a metal spring ring which is used for being sleeved on the plurality of inserting contacts at the inserting end of the electrode lead.
4. The connection module of claim 3, wherein: the first insulating body is formed by combining at least a first insulating component and a second insulating component, and the first insulating component and/or the second insulating component are/is made of ceramic or plastic;
the first insulating assembly and the second insulating assembly comprise a plurality of arc-shaped grooves which are linearly arranged along the length direction of the connecting channel, and when the first insulating assembly and the second insulating assembly are combined to form the first insulating body, at least part of structures of the metal spring ring are accommodated in the arc-shaped grooves;
the first electric connection contact point is arranged on at least one part of the surface of the inner part of the arc-shaped groove, which is abutted against the metal spring ring.
5. The connection module of claim 1, wherein: the first insulating body comprises a plurality of first hole structures, and the first hole structures are communicated with the first outer surface and the connecting channel;
the first circuitry comprises first surface circuitry disposed on a first outer surface of the first insulator body and first via circuitry disposed in the first via structure; the first surface circuit electrically connects the second electrical connection contact and the first via circuit, which electrically connects the first electrical connection contact.
6. The connection module of claim 5, wherein: the first surface circuit, the first via circuit, the first electrical connection contact and the second electrical connection contact are conductive films.
7. A connecting device of a nerve electrical stimulation device, which is characterized by comprising a connecting module and a feed-through module, wherein the connecting module is the connecting module of any one of claims 1 to 6; the feed-through module comprises a second insulating body and a plurality of third electric connection contact points, a plurality of fourth electric connection contact points and a plurality of second circuits which are arranged on the second insulating body, wherein each third electric connection contact point is electrically connected with at least one fourth electric connection contact point through at least one second circuit; each of the third electrical connection contacts is electrically connected to at least one of the second electrical connection contacts when the connection module and the feedthrough module are electrically connected.
8. The connection device of claim 7, wherein: the third electrical connection contact and the second electrical connection contact are electrically connected by gold wire welding.
9. The connection device of claim 7, wherein: the second insulator includes a plurality of second hole structures, the second hole structures penetrate through the first surface and the second surface of the second insulator, the third electrical connection contact is disposed on the first surface of the second insulator, the fourth electrical connection contact is disposed on the second surface of the second insulator, the second circuit includes a second surface circuit disposed on the first surface of the second insulator and a second hole circuit disposed in the second hole structures, the second surface circuit electrically connects the third electrical connection contact and the second hole circuit, and the second hole circuit electrically connects the fourth electrical connection contact.
10. A nerve electrical stimulation apparatus comprising an apparatus body and the connection module of any one of claims 1-6; or, comprising a device body and a connecting device according to any of claims 7-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111022214.5A CN113694373A (en) | 2021-09-01 | 2021-09-01 | Nerve electrical stimulation equipment and connecting module and connecting 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 CN113694373A (en) | 2021-09-01 | 2021-09-01 | Nerve electrical stimulation equipment and connecting module and connecting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113694373A true CN113694373A (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111022214.5A Pending CN113694373A (en) | 2021-09-01 | 2021-09-01 | Nerve electrical stimulation equipment and connecting module and connecting device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113694373A (en) |
| WO (1) | WO2023029086A1 (en) |
Cited By (1)
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| CN115173108A (en) * | 2022-08-10 | 2022-10-11 | 苏州景昱医疗器械有限公司 | Connector, machining method and stimulation system |
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| US20120130438A1 (en) * | 2010-11-18 | 2012-05-24 | Medtronic, Inc. | Implantable medical device with swappable headers |
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| CN115173108A (en) * | 2022-08-10 | 2022-10-11 | 苏州景昱医疗器械有限公司 | Connector, machining method and stimulation system |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2023029086A1 (en) | 2023-03-09 |
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