WO2024017017A1 - Stimulation applying system and adapter apparatus thereof - Google Patents

Abstract

A stimulation applying system and an adapter apparatus (4) thereof. The adapter apparatus (4) comprises: an insertion assembly (10), a flexible electrically conductive soft board (20), a plurality of first leads (30), and an outer cladding tube (40). The insertion assembly (10) has an accommodating hole (14). The insertion assembly (10) comprises a plurality of electrical connectors (11) that are insulated from each other. The flexible electrically conductive soft board (20) comprises a flexible substrate (21), a plurality of electrically conductive layers (22), and a plurality of connecting parts (23). The insertion assembly (10) is clad with the flexible substrate (21). The plurality of connecting parts (23) are located on the inner side of the flexible substrate (21) and are distributed at intervals in the longitudinal direction of the flexible substrate (21), insulated. The plurality of electrically conductive layers (22) are formed on the flexible substrate (21) or embedded in the flexible substrate (21). Each of the electrically conductive layers (22) is electrically connected to one or more of the connecting parts (23). Each of the connecting parts (23) is electrically connected to one of the electrical connector (11). Each of the first leads (30) is electrically connected to one or more of the electrically conductive layers (22). The flexible electrically conductive soft board (20) and the plurality of first leads (30) are clad with the outer cladding tube (40). The plurality of first leads (30) go out from a first front end of the adapter apparatus (4). The adapter apparatus (4) has relatively good reliability.

Description

Stimulation application system and its transfer device

This application claims priority to the Chinese patent with application number 202210855135.0 submitted on July 19, 2022. The above Chinese patent is incorporated by reference in full.

Technical field

The present application relates to the technical field of adapter devices, for example, to a stimulation application system and its adapter device.

Background technique

An implantable neurostimulator (a type of neurostimulator) is implanted in different locations in the human body to send electrical pulse signals to specific tissues in the human body, thereby treating or improving the symptoms of related diseases. It is a reversible neurostimulator. Neuromodulation method, through nerve stimulation, can effectively improve the patient's neurological recovery and help the patient recover.

When the nerve stimulator is connected to the electrode, it needs to be connected through an adapter device. The quality of the adapter device directly affects the transmission quality of the stimulation signal and the therapeutic effect of the electrode at the point to be stimulated. The current adapter device uses stacked modules. The connection method and wire connection method are complex, and there is accumulation of component tolerances and assembly tolerances. The connection is prone to the risk of short circuit and open circuit, which affects the reliability of the transfer device.

Therefore, there is still a need for an adapter device to solve the above problems.

Contents of the invention

This application provides a stimulation application system and its adapter device that solve the above problems.

The purpose of this application is achieved using the following technical solutions:

An adapter device, the adapter device has an opposite front end and a rear end, the adapter device includes:

An insertion component, the insertion component having a receiving hole for an extension piece to be inserted from the rear end of the adapter device, the insertion component including a plurality of electrical connectors that are insulated from each other;

Flexible conductive soft board, the flexible conductive soft board includes a flexible base, a plurality of conductive layers and a plurality of connection parts, the flexible base is wrapped outside the insertion component, the plurality of connection parts are located on the flexible base The plurality of conductive layers are formed on the flexible substrate or embedded in the flexible substrate. The plurality of conductive layers extend along the length direction of the flexible substrate. Each of the conductive layers is arranged at intervals along the length direction of the flexible substrate. The layers are electrically connected to one or more of the connecting parts, and each of the connecting parts is electrically connected to one of the electrical connecting parts;

A plurality of first leads, each of which is electrically connected to one or more of the conductive layers;

An outer cladding tube is wrapped around the flexible conductive board and a plurality of first leads, and the plurality of first leads are led out from the front end of the switching device.

In some optional embodiments, the switching device further includes:

Inner cladding tube, the inner cladding tube is wrapped outside the flexible conductive soft plate and is located between the flexible conductive soft plate and the outer cladding tube;

a sealing coating sleeve, at least a part of the sealing coating sleeve is sealingly received at the inner edge of the front end of the inner coating tube, and the sealing coating sleeve is provided with through holes for the plurality of first leads to pass through .

In some optional embodiments, at least a part of the sealing coating sleeve is fixedly accommodated at the inner edge of the front end of the inner coating tube, and the plurality of first leads pass through the through holes of the sealing coating sleeve. Then, the sealing coating sleeve tightly hugs the plurality of first leads.

In some optional embodiments, the adapter device further includes a fastener, which is sealingly connected to the front end of the inner cladding tube;

The sealing covering sleeve includes a ring portion and a tube portion. The ring portion and the tube portion are axially provided with through holes for a plurality of first leads to pass through. The fastener abuts the ring portion on the Between the front end of the insertion assembly and the fastener, the tube portion is sleeved on the outside of the plurality of first leads, and at least a part of the tube portion is located on the inner wall of the fastener and the plurality of first leads. between the leads to achieve sealing between the fastener and the plurality of first leads.

In some optional embodiments, the inner side of the front end of the inner covering tube and the fastener are threaded or snap-connected.

In some optional embodiments, the inner cladding tube is provided with a wire harness and a wire splitter near the front end of the insertion assembly, and the plurality of first leads are fixedly arranged inside the inner cladding tube through the wire harness. , the outer sides of the plurality of first leads are covered with a protective layer, the plurality of first leads and the protective layer pass through the through holes of the sealing cover after passing through the wire bundle member, and the branching member is located at Between the front end of the insertion component and the wiring component, the wiring component is used to divide the plurality of first leads into at least two groups, and each group of first leads is located on different sides of the flexible conductive board.

A stimulation application system, including: a nerve stimulator, a second lead, an extension piece, a stimulation electrode, and an adapter device as described in any one of the above;

The nerve stimulator is connected to the adapter device through a first lead, and the stimulation electrode is connected to the adapter device through a second lead and an extension piece connected to the second lead, or the nerve stimulator is connected to the adapter through a second lead. The lead wire and the extension piece connected to the second lead wire are connected to the adapter device, and the stimulation electrode is connected to the adapter device through the first lead wire.

An adapter device, the adapter device has an opposite front end and a rear end, the adapter device includes:

An insertion component, the insertion component having a receiving hole for an extension piece to be inserted from the rear end of the adapter device, the insertion component including a plurality of electrical connectors that are insulated from each other;

Flexible conductive soft board, the flexible conductive soft board includes a flexible base, a plurality of conductive layers and a plurality of connection parts, a part of the flexible base is wrapped outside the insertion component, the plurality of connection parts are located on the flexible The inner side of the base and along the length direction of the flexible base are insulated and spaced apart, the plurality of conductive layers are formed on the flexible base or embedded in the flexible base, the plurality of conductive layers extend along the length direction of the flexible base, each of the The conductive layer is electrically connected to one or more of the connecting parts, and each of the connecting parts is electrically connected to one of the electrical connecting parts;

An outer cladding tube is wrapped around the flexible conductive soft plate, and the flexible conductive soft plate is led outward from the front end of the adapter device.

In some optional embodiments, the switching device further includes:

Inner cladding tube, the inner cladding tube is wrapped outside the flexible conductive soft plate and is located between the flexible conductive soft plate and the outer cladding tube;

A sealing covering sleeve, at least a part of which is sealingly accommodated at the inner edge of the front end of the inner covering tube, and the sealing covering sleeve is provided with a through hole for the flexible conductive board to pass through.

In some optional embodiments, at least a part of the sealing coating sleeve is fixedly received at the inner edge of the front end of the inner coating tube, and the flexible conductive soft plate passes through the through hole of the sealing coating sleeve. , the sealing covering sleeve tightly hugs the flexible conductive soft board;

The adapter device also includes a sealing sleeve, which is wrapped around the outside of the part of the flexible conductive soft plate located outside the outer cladding tube and the part of the flexible conductive soft plate located at the front end of the outer cladding tube. On the outside, a part of the sealing sleeve is located between the outer cladding tube and the flexible conductive board.

In some optional embodiments, the front end of the inner coating tube is filled with resin covering part of the flexible conductive board.

In some optional embodiments, the insert assembly further includes a plurality of insulating spacers, and the insulating spacers The spacers and the electrical connectors are alternately arranged, and the electrical connectors are coil springs; or,

The insertion assembly also includes an integrated support frame, the integrated support frame is provided with a plurality of spaced-apart receiving slots, and an electrical connector is provided in each receiving slot of the integrated support frame. The electrical connector is a coil spring, and the integrated support frame has a receiving hole for the extension piece to be inserted from the rear end of the adapter device; or,

The insertion assembly also includes an integrated support frame. The integrated support frame is provided with a connecting plate and a plurality of annular spacers spaced apart on one side of the connecting plate. The electrical connectors are arranged at two adjacent annular intervals. between the components, the electrical connector is a coil spring, the plurality of annular spacers and the through holes on the coil spring are used for insertion of extending components, and the flexible conductive soft plate is wrapped on the outside of the insertion component At this time, an escape hole for matching the shape of the connecting plate of the integrated support frame is formed on the flexible conductive soft board, and the connecting plate is located in the escape hole of the flexible conductive soft board.

In some optional embodiments, the adapter device further includes a locking component near the rear end. The locking component includes: a waterproof seal, a channel connecting tube, a locking screw, and a water seal. The waterproof seal and channel The connecting pipe is arranged in the accommodation cavity of the outer covering pipe and each has a through hole that is axially coincident with the accommodation hole for the extending piece to pass through, and the waterproof seal seals the rear end of the connecting channel connecting pipe, so The side wall of the channel connecting pipe is provided with a through hole that penetrates the inside and outside. The locking screw passes through the through hole of the channel connecting pipe and is used to abut the extending piece to fix the extending piece. The water sealing member Set on the outer cladding tube and used to seal the locking screw.

A stimulation application system, including: a nerve stimulator, a second lead, an extension piece, a stimulation electrode, and an adapter device as described in any one of the above;

The nerve stimulator is connected to the adapter device through the flexible conductive board, and the stimulation electrode is connected to the adapter device through a second lead and an extension piece connected to the second lead, or the nerve stimulator The adapter device is connected through a second lead wire and an extension piece connected to the second lead wire, and the stimulation electrode is connected to the adapter device through the flexible conductive soft plate.

Using the switching device provided by this application has at least the following advantages:

By using a flexible conductive soft board in the transfer device to respectively connect the insertion component and the plurality of first leads, the connecting portion of the flexible conductive soft board is in direct contact with the electrical connector to achieve electrical connection, eliminating the need for a welding process and simplifying the transfer device The internal wire connection method and assembly process, since the channel connection piece set outside the coil spring is no longer used, can reduce the accumulation of component tolerances and assembly tolerances, thus improving the reliability of the transfer device. The use of outer cladding pipes can improve waterproof performance.

Description of drawings

Figure 1 is a schematic structural diagram of a switching device according to Embodiment 1 of the present application.

Figure 2 is a partial structural schematic diagram of the switching device according to Embodiment 1 of the present application, with the outer cladding tube, inner cladding tube and flexible conductive board removed.

Figure 3 is a partial structural schematic diagram of the adapter device according to Embodiment 1 of the present application, with the outer cladding tube and the inner cladding tube removed.

Figure 4 is a schematic structural diagram of a flexible conductive board according to Embodiment 1 of the present application.

Figure 5 is a schematic structural diagram of the extending piece according to Embodiment 1 of the present application.

Figure 6 is a schematic structural diagram of an insertion assembly using an integrated support frame according to Embodiment 1 of the present application.

Figure 7 is a schematic structural diagram of another integrated support frame according to Embodiment 1 of the present application.

Figure 8 is a schematic cross-sectional view of the switching device according to Embodiment 1 of the present application.

Figure 9 is a schematic diagram of the connection structure of the stimulation application system in Embodiment 1 of the present application.

Figure 10 is a schematic diagram of another connection structure of the stimulation application system in Embodiment 1 of the present application.

Figure 11 is a schematic structural diagram of the switching device according to Embodiment 2 of the present application.

Figure 12 is a partial structural schematic diagram of the adapter device according to Embodiment 2 of the present application, with the outer cladding tube and the inner cladding tube removed.

Figure 13 is a schematic structural diagram of a flexible conductive board according to Embodiment 2 of the present application.

In the figure: 10. Insert component; 101. Third front end; 11. Electrical connector; 12. Insulating spacer; 13. Integrated support frame; 131. Accommodation slot; 132. Connecting plate; 133. Ring spacer; 134 , fifth through hole; 14. accommodation hole; 20. flexible conductive soft board; 21. flexible base; 22. conductive layer; 23. connection part; 24. avoidance hole; 201. fourth through hole; 30. first lead ; 31. Protective layer; 40. Outer cladding tube; 401. Fourth front end; 402. Accommodation cavity; 50. Extending piece; 51. Contact portion; 60. Inner cladding tube; 601. Second front end; 602 , Resin; 61. Wire harness; 62. Splitting piece; 70. Sealing coating sleeve; 71. Ring part; 72. Pipe part; 701. First through hole; 702. Seventh through hole; 80. Locking component ; 81. Waterproof seal; 810. Sixth through hole; 82. Channel connecting pipe; 821. Second rear end; 822. Through hole; 83. Locking screw; 84. Water seal; 90. Fastener; 901 , inner wall; 1. Neurostimulator; 2. Second lead; 3. Stimulating electrode; 4. Transfer device; 200, first front end; 300, first rear end.

Detailed ways

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concepts of the example embodiments. To those skilled in the art. The same reference numerals in the drawings represent the same or similar structures, and thus their repeated description will be omitted.

The words expressing position and direction described in this application are all explained by taking the accompanying drawings as examples, but they can be changed as needed, and all changes are included in the protection scope of this application.

Example 1

Referring to Figures 1-8, this embodiment provides an adapter device 4. The adapter device 4 has an opposite first front end 200 and a first rear end 300. The adapter device 4 includes: an insertion component 10, a flexible The conductive flexible board 20 , a plurality of first leads 30 and the outer cladding tube 40 .

The insertion assembly 10 has a receiving hole 14 for the extension piece 50 to be inserted from the first rear end 300 of the adapter device 4. Referring to Figure 5, the extension piece 50 can be provided with a plurality of contact portions 51 that are insulated from each other. The insert assembly 10 includes a plurality of electrical connectors 11 that are insulated from each other. The electrical connectors 11 are, for example, coil springs.

In some possible ways, referring to FIG. 2 , the insert assembly 10 further includes a plurality of insulating spacers 12 , the insulating spacers 12 are, for example, rubber rings or silicone rings, and the insulating spacers 12 and the electrical connectors 11 are alternately arranged. , by disposing the insulating spacer 12 , two adjacent electrical connectors 11 are insulated from each other, and each electrical connector 11 can be electrically connected to a contact portion 51 on the extending member 50 .

In some possible ways, referring to Figure 6, the insertion assembly 10 further includes an integrated support frame 13. The integrated support frame 13 is provided with a plurality of spaced apart receiving slots 131. Each of the integrated support frames 13 has Each receiving slot 131 is provided with an electrical connector 11 respectively. The integrated support frame 13 has a receiving hole 14 for the extending member 50 to be inserted from the first rear end 300 of the adapter device 4. Due to the multiple receiving slots 131, The slots 131 are spaced apart to insulate the electrical connectors 11 located in the receiving slots 131 from each other. As the number of channels of the adapter device 4 gradually increases, the number of electrical connections 11 and the insulation used to separate adjacent electrical connections 11 The spacers 12 will also increase accordingly, but the thickness of the insulating spacers 12 is generally thicker. If the traditional insertion component 10 structure is used, the size of the overall structure after assembly will be significantly increased. By using the integrated support frame 13 for the insertion In the assembly 10, the integrated support frame 13 is used to separate the thickness of the plate body of two adjacent electrical connectors 11. Compared with the thin insulating spacer 12, the thickness between the two adjacent electrical connectors 11 can be reduced. Spacing, when the number of channels increases, can significantly reduce the size of the overall structure after assembly.

In some possible ways, referring to FIG. 7 , the insert assembly 10 further includes an integrated support frame 13 , the integrated support frame 13 is provided with a connecting plate 132 and a plurality of annular spacers spaced apart on one side of the connecting plate 132 133. The electrical connector 11 is provided between two adjacent annular spacers 133. The electrical connector 11 is a coil spring. The plurality of annular spacers 133 and the fifth through hole 134 on the coil spring are used for When the insertion piece 50 is inserted and the flexible conductive soft plate 20 is wrapped on the outside of the insertion component 10, referring to FIG. 4, the flexible conductive soft plate 20 is formed with the integrated support frame 13. The shape of the connecting plate 132 matches the escape hole 24. The connecting plate 132 is located in the escape hole 24 of the flexible conductive board 20. The integrated support frame 13 component of the above structure not only has the integrated support frame 13 shown in Figure 6 The advantage of The board 20 moves, thereby improving the reliability of electrical connection between the flexible conductive board 20 and the electrical connector 11 .

Referring to FIG. 4 , the flexible conductive board 20 includes a flexible base 21 , a plurality of conductive layers 22 and a plurality of connection parts 23 .

The material of the flexible base 21 may be an organic material, such as polyimide. Referring to Figure 3 , the flexible base 21 is wrapped around the outside of the insertion component 10. The flexible base 21 may have a cylindrical structure as a whole. The flexible base 21 includes On the opposite inner and outer sides, the plurality of connecting parts 23 are located on the inner side of the flexible base 21 and are insulated and spaced apart along the length direction of the flexible base 21 . The connecting parts 23 may be in a sheet-like structure and along the inner peripheral wall of the flexible base 21 . By extending in the direction, the connecting portion 23 with the above structure can increase the contact area between the connecting portion 23 and the electrical connector 11 and increase the reliability of the electrical connection.

The plurality of conductive layers 22 are formed on or embedded in the flexible substrate 21 . The plurality of conductive layers 22 extend along the length direction of the flexible substrate 21 . Each of the conductive layers 22 is electrically connected to one or more conductive layers. Each of the connecting portions 23 is electrically connected to one of the electrical connectors 11 . Specifically, taking multiple conductive layers 22 embedded in the flexible substrate 21 as an example, multiple conductive layers 22 that are insulated from each other can be formed by film formation on a flattened flexible substrate 21 , for example, multiple conductive layers 22 can be distributed at intervals along the circumference of the flexible substrate 21, and then covered with a layer of flexible substrate 21, so that the conductive layer 22 is buried in the flexible substrate 21, and then a plurality of connecting portions 23 distributed at intervals are formed inside the flexible substrate 21, The electrical connection between the conductive layer 22 and the connecting portion 23 is achieved by drilling holes and injecting conductive materials into the holes. The material of the conductive layer 22 can be copper, so that each conductive layer 22 can be connected through a connection. The portion 23 is electrically connected to one of the electrical connectors 11 , one end of each conductive layer 22 is used to connect to the connecting portion 23 , and the other end of each conductive layer 22 can be used to connect the first lead 30 . It should be noted that each of the conductive layers 22 can also be electrically connected to a plurality of the connection portions 23 respectively.

Each of the first leads 30 is electrically connected to one or more of the conductive layers 22 respectively. The first leads 30 may be metal wires. The other end of the conductive layer 22 may be extended from the flexible base 21 and then connected to the second conductive layer 22 by welding. One lead 30. The other end of the conductive layer 22 can extend along the length direction of the flexible substrate 21 until it is flush with the end surface of the flexible substrate 21 , or protrudes outward from the end surface of the flexible substrate 21 to protrude from the flexible substrate 21 .

The outer covering tube 40 covers the flexible conductive board 20 and the plurality of first leads 30. The outer covering tube 40 can be made of silicone. The silicone covers the flexible conductive board 20 and the plurality of first leads. In addition to the lead wires 30 , the waterproof performance of the adapter device 4 can be improved. The plurality of first lead wires 30 are led out from the first front end 200 of the adapter device 4 .

Therefore, by using the flexible conductive soft board 20 in the adapter device 4 to respectively connect the insertion component 10 and the plurality of first leads 30, the connecting portion 23 of the flexible conductive soft board 20 directly contacts the electrical connector 11 to achieve electrical connection. Eliminating the welding process can simplify the wire connection method and assembly process in the adapter device 4. Since the channel connection piece provided on the outside of the coil spring is no longer used, the accumulation of component tolerances and assembly tolerances can be reduced, so the adapter device 4 can be improved. Reliability, using the outer cladding tube 40 can improve the waterproof performance.

In some possible ways, referring to FIGS. 3 and 8 , the adapter device 4 further includes: an inner coating tube 60 and a sealing coating sleeve 70 .

The inner cladding tube 60 is wrapped around the outside of the flexible conductive soft board 20 and is located between the flexible conductive soft board 20 and the outer cladding tube 40. By providing the inner cladding tube 60, the flexible conductive soft board can be bound. 20. Prevent the flexible conductive board 20 from moving and improve the reliability. It can also protect the flexible conductive board 20 and the inserted component 10 in the inner cladding tube 60 to prevent liquid penetration and improve the waterproof performance. The inner cladding tube 60 also It has a supporting function to keep each part in the insertion component 10 in a preset shape and prevent forces other than the inner covering tube 60 from impacting the insertion component 10 .

The sealing coating sleeve 70 may be made of rubber material. At least a part of the sealing coating sleeve 70 is sealed and received at the inner edge of the second front end 601 of the inner coating tube 60 . The sealing coating sleeve 70 is provided with a The first through holes 701 through which the plurality of first leads 30 pass are provided with a sealing coating sleeve 70 so that the plurality of first leads 30 are sealed and drawn out from the inner coating tube 60, and the sealing coating sleeve 70 simultaneously blocks the inner coating. The second front end 6 of the cover pipe 60 01 opening to prevent liquid penetration and improve waterproof performance.

In some possible ways, at least a portion of the sealing coating sleeve 70 is fixedly received at the inner edge of the second front end 601 of the inner coating tube 60 . For example, at least a portion of the sealing coating sleeve 70 can be attached by adhesion. The plurality of first leads 30 pass through the first through holes 701 of the sealing coating sleeve 70. The sealing coating The sleeve 70 tightly hugs the plurality of first leads 30. Using the sealing coating sleeve 70 with the above structure can prevent liquid from penetrating through the gap between the sealing coating sleeve 70 and the inner coating tube 60, and from leaking from the sealing coating sleeve 70. The gap between the cover 70 and the first leads 30 penetrates. On the other hand, the sealing cover 70 tightly hugs the plurality of first leads 30, and the portions of the plurality of first leads 30 located outside the adapter device 4 are subjected to external force. In the event of impact, bending, or pulling, it is possible to prevent the portions of the plurality of first leads 30 located in the adapter device 4 from being pulled, thereby causing the connection failure between the plurality of first leads 30 and the flexible conductive board 20. Therefore, the reliability of the switching device 4 can be improved.

In some possible ways, the adapter device 4 further includes a fastener 90 that is sealingly connected to the second front end 601 of the inner cladding tube 60 . The inner side of the second front end 601 and the fastener 90 may be threaded or snap-connected, and the fastener 90 may be a screw or a fastener 90 with a protrusion or groove structure on its outer circumferential surface.

The sealing covering sleeve 70 includes a ring part 71 and a tube part 72. The ring part 71 and the tube part 72 are provided with first through holes 701 in the axial direction for a plurality of first leads 30 to pass through. The fastening The member 90 abuts the ring portion 71 between the third front end 101 of the insertion assembly 10 and the fastener 90 , the tube portion 72 is sleeved on the outside of the plurality of first leads 30 , and the At least a part of the tube portion 72 is located between the inner wall 901 of the fastener 90 and the plurality of first leads 30 to achieve sealing between the fastener 90 and the plurality of first leads 30 . By arranging the fastener 90 and the sealing cover 70, the fastener 90 can abut the ring portion 71 of the sealing cover 70 against the third front end 101 of the insertion assembly 10 to achieve sealing and waterproofing. A part of the tube portion 72 of the fastener 90 is located between the inner wall 901 of the fastener 90 and the plurality of first leads 30 , which can prevent liquid from penetrating between the fastener 90 and the plurality of first leads 30 .

In some possible ways, the inner covering tube 60 is provided with a wire bundle member 61 and a wire branching member 62 close to the third front end 101 of the insertion assembly 10 , and the plurality of first leads 30 pass through the wire bundle member 61 Fixedly arranged inside the inner coating tube 60 , the plurality of first leads 30 are covered with a protective layer 31 on the outside. The protective layer 31 can be made of plastic. The plurality of first leads 30 and the protective layer 31 are separated from the wire harness. 61 worn out after wearing said The first through hole 701 of the covering sleeve 70 is sealed. The branching member 62 is located between the third front end 101 of the insertion assembly 10 and the wiring member 61 . The branching member 62 is used to divide the plurality of first leads 30 into at least two groups, and each group has a second wire. A lead 30 is respectively located on different sides of the flexible conductive board 20 . By providing the protective layer 31 , it is possible to prevent liquid from penetrating between the plurality of first lead wires 30 , improve the tensile properties of the plurality of first lead wires 30 , and prevent the plurality of first lead wires 30 from being in contact with liquid and causing corrosion. By providing the wire binding member 61 , the portions of the plurality of first leads 30 located inside the inner covering tube 60 can be bound and prevented from being pulled. By providing the line breakers 62 , the first leads 30 can be divided into multiple groups and then led out to different sides of the flexible conductive board 20 , thereby facilitating welding of the first leads 30 and the conductive layer 22 of the flexible conductive board 20 , and creating space for welding. Larger, high welding reliability.

In some possible ways, the second front end 601 of the inner coating tube 60 is filled with resin 602 that covers part of the flexible conductive board 20 . The resin 602 is, for example, epoxy resin 602 . The resin 602 does not only cover part of the flexible conductive board. 20. The wire bundle component 61 and the wire splitting component 62 can also be covered to prevent liquid from penetrating into the interior of the inner coating tube 60 and improve the waterproof performance.

In some possible ways, the adapter device 4 further includes a locking component 80 near the first rear end 300 , the locking component 80 includes: a waterproof seal 81 , a channel connecting tube 82 , a locking screw 83 and a water seal. 84.

The waterproof seal 81 and the channel connecting pipe 82 are disposed in the accommodation cavity 402 of the outer covering tube 40 and respectively have a sixth through hole 810 axially coincident with the accommodation hole 14 for the extension piece 50 to pass through. , the waterproof seal 81 seals and connects the second rear end 821 of the channel connecting pipe 82. The side wall of the channel connecting pipe 82 is provided with a through hole 822 that penetrates inside and outside, and the locking screw 83 passes through the channel connecting pipe 82. The through hole 822 of the tube 82 is used to abut the extending part 50 to fix the extending part 50 . The water sealing part 84 is provided on the outer covering tube 40 and used to seal the locking screw 83 . By providing the locking assembly 80 , when the extending piece 50 is inserted into the adapter device 4 , the locking screw 83 can fix the extending piece 50 to prevent the extending piece 50 from moving, and at the same time, the waterproof seal 81 can seal the third end of the channel connecting pipe 82 . The second rear end 821 is sealed, and the water seal 84 can seal the outer covering pipe 40 on the locking screw 83 to improve the waterproof performance.

This embodiment also provides a stimulation application system, which includes: a nerve stimulator 1, a second lead 2, an extension piece 50, a stimulation electrode 3, and the above-mentioned adapter device 4.

9, the nerve stimulator 1 is connected to the adapter device 4 through a first lead 30, and the stimulation electrode 3 is connected to the adapter 4 through a second lead 2 and an extension piece 50 connected to the second lead 2. Installation Set 4, thereby realizing the electrical connection between the nerve stimulator 1 and the stimulation electrode 3, and the nerve stimulator 1 applies stimulation to the site to be stimulated through the stimulation electrode 3.

Alternatively, referring to FIG. 10 , the nerve stimulator 1 is connected to the adapter device 4 through a second lead 2 and an extension piece 50 connected to the second lead 2 , and the stimulation electrode 3 is connected to the adapter 4 through a first lead 30 . Connecting device 4, thereby achieving electrical connection between the nerve stimulator 1 and the stimulation electrode 3. The nerve stimulator 1 applies stimulation to the site to be stimulated through the stimulation electrode 3.

Example 2

Referring to Figures 11-13, this embodiment shows a switching device 4. The switching device 4 has an opposite first front end 200 and a first rear end 300. The switching device 4 includes: an insertion component 10, a flexible conductive Soft board 20 and outer cladding tube 40.

The insert assembly 10 has a receiving hole 14 for inserting the extension piece 50 from the first rear end 300 of the adapter device 4 . The insert assembly 10 includes a plurality of electrical connectors 11 that are insulated from each other. The insertion component 10 of this embodiment may have the same or similar structure as the insertion component 10 of Embodiment 1, which will not be described again here.

Referring to FIG. 13 , the flexible conductive board 20 includes a flexible base 21 , a plurality of conductive layers 22 and a plurality of connection parts 23 .

The material of the flexible base 21 may be an organic material, such as polyimide. A part of the flexible base 21 is wrapped around the outside of the insertion component 10. The flexible base 21 may have a cylindrical structure as a whole. The flexible base 21 includes opposite On the inner and outer sides, the plurality of connecting parts 23 are located on the inner side of the flexible base 21 and are insulated and spaced apart along the length direction of the flexible base 21 . The connecting parts 23 may be in a sheet-like structure and extend circumferentially along the inner peripheral wall of the flexible base 21 , the connecting portion 23 with the above structure can increase the contact area between the connecting portion 23 and the electrical connector 11, and increase the reliability of the electrical connection.

The plurality of conductive layers 22 are formed on or embedded in the flexible substrate 21 . The plurality of conductive layers 22 extend along the length direction of the flexible substrate 21 . Each of the conductive layers 22 is electrically connected to one or more conductive layers. Each of the connecting portions 23 is electrically connected to one of the electrical connectors 11 . The arrangement and connection method of the conductive layer 22 and the connection part 23 in this embodiment may be the same or similar to the arrangement and connection method of the conductive layer 22 and the connection part 23 in Embodiment 1, and will not be described again here.

The outer covering tube 40 is wrapped around the flexible conductive board 20. The outer covering tube 40 can be made of silica gel. The silica gel is covered outside part of the flexible conductive board 20, which can improve the waterproof performance of the adapter device 4. , the flexible conductive board 20 is led outward from the first front end 200 of the adapter device 4 .

The difference between the switching device 4 of this embodiment and the switching device 4 of Embodiment 1 is that in Embodiment 1, the flexible conductive board 20 is disposed in the outer covering tube 40 and connected to a plurality of first leads 30 and a plurality of first leads 30 . A lead 30 is led out. In this embodiment, the flexible conductive board 20 is directly led out from the first front end 200 of the adapter device 4 , and there is no need to provide multiple first leads 30 .

Therefore, by using the flexible conductive soft board 20 in the adapter device 4 to connect the insertion component 10, the connecting portion 23 of the flexible conductive soft board 20 is in direct contact with the electrical connector 11 to achieve electrical connection, thereby eliminating the need for a welding process and simplifying the transfer. The wire connection method and assembly process in the connecting device 4 are no longer used. The channel connection piece set outside the coil spring can be reduced, and the accumulation of component tolerances and assembly tolerances can be reduced. Therefore, the reliability of the switching device 4 can be improved, and the outer covering can be used. Tube 40 can improve waterproof performance. In addition, since there is no need to provide multiple first leads 30, the welding step of the first leads 30 and the flexible conductive board 20 is omitted, further simplifying the connection method and assembly process.

In some possible ways, the adapter device 4 further includes: an inner coating tube 60 and a sealing coating sleeve 70 .

The inner cladding tube 60 is wrapped around the outside of the flexible conductive soft board 20 and is located between the flexible conductive soft board 20 and the outer cladding tube 40. By providing the inner cladding tube 60, the flexible conductive soft board can be bound. 20. Prevent the flexible conductive board 20 from moving and improve reliability. It can also protect the flexible conductive board 20 and the inserted component 10 in the inner cladding tube 60 to prevent liquid penetration and improve the waterproof performance. The inner cladding tube 60 also It has a supporting function to keep each part in the insertion component 10 in a preset shape and prevent forces other than the inner covering tube 60 from impacting the insertion component 10 .

The sealing coating sleeve 70 may be made of rubber material. At least a part of the sealing coating sleeve 70 is sealed and received at the inner edge of the second front end 601 of the inner coating tube 60 . The sealing coating sleeve 70 is provided with a The fourth through hole 201 passes through the flexible conductive board 20 . A part of the sealing cover 70 can also be filled inside the cylindrical flexible conductive board 20 to prevent liquid from passing through the inside of the flexible conductive board 20. By providing the sealing cover 70, the flexible conductive board 20 is sealed and led out from the inner cladding tube 60, and the sealing cladding sleeve 70 simultaneously blocks the front end opening of the inner cladding tube 60 to prevent liquid from penetrating and improve the waterproof performance.

In some possible ways, at least a part of the sealing coating sleeve 70 is fixedly received at the inner edge of the second front end 601 of the inner coating tube 60 , and the flexible conductive soft plate 20 is formed from the sealing coating sleeve 70 . The seventh through hole 702 of 70 passes through, and the sealing covering sleeve 70 tightly hugs the flexible conductive board 20 . Adopting the sealing coating sleeve 70 with the above structure can prevent liquid from passing between the sealing coating sleeve 70 and the inner coating tube 60 Penetrate into the gap between the sealing cover 70 and the flexible conductive soft board 20. On the other hand, the sealing cover 70 hugs the flexible conductive soft board 20, and when the flexible conductive soft board 20 is located in the rotating When parts other than the connecting device 4 are impacted, bent, or pulled by external forces, it can prevent the part of the flexible conductive board 20 located in the adapter device 4 from being pulled, thereby causing a gap between the flexible conductive board 20 and the insertion component 10 connection failure, therefore, the reliability of the switching device 4 can be improved.

The adapter device 4 may also include a sealing sleeve (not shown). The sealing sleeve is, for example, organic resin 602 . The sealing sleeve covers the outer portion of the flexible conductive board 20 outside the outer covering tube 40 . And the flexible conductive board 20 is located outside part of the fourth front end 401 of the outer covering tube 40, and a part of the sealing sleeve is located between the outer covering tube 40 and the flexible conductive board 20. By setting the seal The casing can prevent liquid from penetrating into the flexible conductive board 20 and improve the waterproof performance of the flexible conductive board 20. By extending a part of the sealing casing to between the outer covering tube 40 and the flexible conductive board 20, At the fourth front end 401 of the outer covering tube 40, the sealing sleeve and the outer covering tube 40 form a partially overlapping structure to prevent liquid from penetrating into the flexible conductive board 20 from the fourth front end 401 of the outer covering tube 40, thereby improving the waterproof performance.

In some possible ways, the adapter device 4 further includes a locking component 80 near the first rear end 300 , the locking component 80 includes: a waterproof seal 81 , a channel connecting tube 82 , a locking screw 83 and a water seal. 84. The locking component 80 of this embodiment may have the same or similar structure as the locking component 80 of Embodiment 1, which will not be described again here.

This embodiment also provides a stimulation application system, which includes: a nerve stimulator 1, a second lead 2, an extension piece 50, a stimulation electrode 3, and the above-mentioned adapter device 4.

9, the nerve stimulator 1 is connected to the adapter device 4 through the flexible conductive board 20. Specifically, the nerve stimulator 1 can be connected to the adapter device through the conductive layer 22 of the flexible conductive board 20. 4. The stimulation electrode 3 is connected to the adapter device 4 through the second lead 2 and the extension piece 50 connected to the second lead 2, thereby realizing the electrical connection between the nerve stimulator 1 and the stimulation electrode 3. The nerve stimulator 1 Apply stimulation to the site to be stimulated through the stimulation electrode 3.

Or, referring to FIG. 10 , the nerve stimulator 1 is connected to the adapter device 4 through the second lead 2 and the extension piece 50 connected to the second lead 2 , and the stimulation electrode 3 is connected through the flexible conductive soft plate 20 The adapter device 4 and the stimulation electrode 3 can be connected to the adapter device 4 through the conductive layer 22 of the flexible conductive plate 20, thereby realizing the electrical connection between the nerve stimulator 1 and the stimulation electrode 3. The nerve stimulator 1 Apply stimulation to the area to be stimulated through stimulation electrode 3.

Claims (14)

An adapter device, wherein the adapter device has an opposite first front end and a first rear end, and the adapter device includes: An insert assembly, the insert assembly having a receiving hole for inserting an extension piece from the first rear end of the adapter device, the insert assembly including a plurality of electrical connectors that are insulated from each other; Flexible conductive soft board, the flexible conductive soft board includes a flexible base, a plurality of conductive layers and a plurality of connection parts, the flexible base is wrapped outside the insertion component, the plurality of connection parts are located on the flexible base The plurality of conductive layers are formed on the flexible substrate or embedded in the flexible substrate. The plurality of conductive layers extend along the length direction of the flexible substrate. Each of the conductive layers One or more of the connecting parts are electrically connected respectively, and each of the connecting parts is electrically connected to one of the electrical connectors; A plurality of first leads, each of which is electrically connected to one or more of the conductive layers; An outer cladding tube is wrapped around the flexible conductive board and a plurality of first leads, and the plurality of first leads are led out from the first front end of the switching device. The switching device according to claim 1, wherein the switching device further includes: Inner cladding tube, the inner cladding tube is wrapped outside the flexible conductive soft plate and is located between the flexible conductive soft plate and the outer cladding tube; A sealing covering sleeve, at least a part of the sealing covering sleeve is sealingly received at the inner edge of the second front end of the inner covering tube, and the sealing covering sleeve is provided with a hole for the plurality of first leads to pass through. First through hole. The adapter device according to claim 2, wherein at least a part of the sealing covering sleeve is fixedly received at the inner edge of the second front end of the inner covering tube, and the plurality of first leads are drawn from the sealing sleeve. The first through hole of the covering sleeve passes through, and the sealing covering sleeve tightly hugs the plurality of first leads. The adapter device according to claim 2, wherein the adapter device further includes a fastener, the fastener is sealingly connected to the second front end of the inner cladding tube; The sealing covering sleeve includes a ring portion and a tube portion. The ring portion and the tube portion are axially provided with first through holes for a plurality of first leads to pass through. The fasteners secure the ring portion against Connected between the third front end of the insertion component and the fastener, the tube portion is sleeved outside the plurality of first leads, and at least a portion of the tube portion is between the inner wall of the fastener and the plurality of first leads to achieve sealing between the fastener and the plurality of first leads. The adapter device according to claim 4, wherein the inner side of the second front end of the inner cladding tube and the fastener are threaded or snap-connected. The adapter device according to claim 3 or 4, wherein a wire bundle member and a wire branching member close to the third front end of the insertion assembly are provided in the inner covering tube, and the plurality of first leads pass through the wire bundle member Fixedly arranged inside the inner coating tube, the plurality of first leads are covered with a protective layer on the outside, and the plurality of first leads and the protective layer pass through the sealing cover after passing through the wire harness. A first through hole, the wiring component is located between the third front end of the insertion component and the wiring component, the wiring component is used to divide the plurality of first leads into at least two groups, each group has a first The leads are respectively located on different sides of the flexible conductive board. A stimulation application system, which includes: a nerve stimulator, a second lead, an extension piece, a stimulation electrode, and the adapter device according to any one of claims 1 to 6; The nerve stimulator is connected to the adapter device through a first lead, and the stimulation electrode is connected to the adapter device through a second lead and an extension piece connected to the second lead, or the nerve stimulator is connected to the adapter through a second lead. The lead wire and the extension piece connected to the second lead wire are connected to the adapter device, and the stimulation electrode is connected to the adapter device through the first lead wire. An adapter device, wherein the adapter device has an opposite first front end and a first rear end, and the adapter device includes: An insert assembly, the insert assembly having a receiving hole for inserting an extension piece from the first rear end of the adapter device, the insert assembly including a plurality of electrical connectors that are insulated from each other; Flexible conductive soft board, the flexible conductive soft board includes a flexible base, a plurality of conductive layers and a plurality of connection parts, a part of the flexible base is wrapped outside the insertion component, the plurality of connection parts are located on the flexible The inner side of the base and along the length direction of the flexible base are insulated and spaced apart, the plurality of conductive layers are formed on the flexible base or embedded in the flexible base, the plurality of conductive layers extend along the length direction of the flexible base, each of the The conductive layer is electrically connected to one or more of the connecting parts, and each of the connecting parts is electrically connected to one of the electrical connecting parts; An outer cladding tube is wrapped around the flexible conductive soft plate, and the flexible conductive soft plate is led outward from the first front end of the adapter device. The switching device according to claim 8, wherein the switching device further includes: An inner cladding tube, the inner cladding tube is wrapped around the outside of the flexible conductive soft plate and is located between the flexible conductive soft plate and the outer cladding tube; A sealing covering sleeve, at least a part of the sealing covering sleeve is sealingly received at the inner edge of the second front end of the inner covering tube, and the sealing covering sleeve is provided with a third hole for the flexible conductive board to pass through. Seven through holes. The adapter device according to claim 9, wherein at least a part of the sealing coating sleeve is fixedly received at the inner edge of the second front end of the inner coating tube, and the flexible conductive soft plate is formed from the sealing coating sleeve. The seventh through hole of the sleeve passes through, and the sealing coating sleeve tightly hugs the flexible conductive soft board; The adapter device also includes a sealing sleeve, which is wrapped around the outer portion of the flexible conductive board located outside the outer cladding tube and the fourth front end of the flexible conductive soft board located at the outer cladding tube. A part of the sealing sleeve is located between the outer covering tube and the flexible conductive board. The adapter device according to claim 3 or 9, wherein the second front end of the inner covering tube is filled with resin covering part of the flexible conductive soft plate. The adapter device according to claim 1 or 8, wherein the insertion component further includes a plurality of insulating spacers, the insulating spacers and the electrical connectors are alternately arranged, and the electrical connectors are coil springs; or, The insertion assembly also includes an integrated support frame, the integrated support frame is provided with a plurality of spaced-apart receiving slots, and an electrical connector is provided in each receiving slot of the integrated support frame. The electrical connector is a coil spring, and the integrated support frame has a receiving hole for the extending member to be inserted from the first rear end of the adapter device; or, The insertion assembly also includes an integrated support frame. The integrated support frame is provided with a connecting plate and a plurality of annular spacers spaced apart on one side of the connecting plate. The electrical connectors are arranged at two adjacent annular intervals. between the components, the electrical connector is a coil spring, the plurality of annular spacers and the fifth through hole on the coil spring are used for inserting the extending component, and the flexible conductive soft plate is wrapped in the insertion component On the outside, an escape hole for matching the shape of the connecting plate of the integrated support frame is formed on the flexible conductive soft board, and the connecting plate is located in the escape hole of the flexible conductive soft board. The adapter device according to claim 1 or 8, wherein the adapter device further includes a locking component near the first rear end, the locking component includes: a waterproof seal, a channel connecting tube, and a locking screw. and a water seal. The waterproof seal and the channel connecting pipe are arranged in the accommodation cavity of the outer covering pipe and each has a sixth through hole that is axially coincident with the accommodation hole for the extending piece to pass through, so The waterproof seal seals the second rear end of the channel connecting pipe. The side wall of the channel connecting pipe is provided with a through hole penetrating inside and outside. The locking screw passes through the through hole of the channel connecting pipe and is used to abut. The protruding piece is used to fix the protruding piece, and the water sealing piece is provided on the outer cladding tube and used to seal the locking screw. A stimulation application system, which includes: a nerve stimulator, a second lead, an extension piece, a stimulation electrode and the adapter device according to any one of claims 8-13; The nerve stimulator is connected to the adapter device through the flexible conductive board, and the stimulation electrode is connected to the adapter device through a second lead and an extension piece connected to the second lead, or the nerve stimulator The adapter device is connected through a second lead wire and an extension piece connected to the second lead wire, and the stimulation electrode is connected to the adapter device through the flexible conductive soft plate.