Adjustable moving track for neuromodulation
By designing an adjustable moving track and utilizing a servo motor and threaded rod system to achieve flexible coil movement, the problem of manual adjustment required by existing equipment is solved, improving treatment efficiency and flexibility, and adapting to the personalized needs of different patients.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI TONGJI HOSPITAL
- Filing Date
- 2025-04-02
- Publication Date
- 2026-07-07
AI Technical Summary
Existing magnetic stimulation assistive devices have a simple design, which requires doctors or therapists to frequently adjust the position of the device manually, increasing their workload. Furthermore, the fixed design cannot meet the need for flexibility, which limits the improvement of treatment efficiency.
An adjustable moving track was designed, comprising a support, a slide rail, a servo motor, and a threaded rod. The servo motor drives the movable frame to move the slider and slide rod, and the threaded rod and knob enable flexible adjustment of the coil, reducing manual operation and increasing the treatment area.
It reduces the workload of medical staff, increases the coverage and flexibility of treatment areas, improves treatment efficiency, and adapts to the personalized needs of different patients.
Smart Images

Figure CN224462132U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of neuromodulation technology, and more specifically, to an adjustable moving track for neuromodulation. Background Technology
[0002] In the field of clinical rehabilitation, transcranial magnetic stimulation (TMS) has been widely used in the neuromodulation treatment of spinal cord injuries. Traditional treatment methods mainly focus on the cerebral cortex, promoting rehabilitation by modulating motor conduction pathways. However, recent studies have shown that the main lesion site of spinal cord injury lies in the spinal cord itself; therefore, directly targeting the nerve roots near the spinal cord may be more beneficial for the recovery of neurological function.
[0003] Applying magnetic stimulation to nerve roots can generate deep sensory input through muscle contraction, which is highly effective in activating sensory functions following spinal cord injury. Because spinal cord injury leads to weakened or lost function below the level of injury, nerve root magnetic stimulation requires coverage of a wider area compared to precise cortical stimulation. Specifically, stimulation typically needs to cover all spinal cord segments below the level of injury, while also stimulating areas above the level of injury to pre-activate cortical motor pathways.
[0004] In summary, the application range of nerve root magnetic stimulation (MMS) should cover the entire nerve root region of the spine to comprehensively promote the recovery of damaged nerve function and provide necessary pre-activation signals for cortical motor conduction pathways. This method not only directly affects the injured site but also assists in the recovery of sensory function by enhancing deep sensory input, thereby comprehensively improving the rehabilitation outcomes for patients with spinal cord injuries. Currently, the following challenges exist in clinical practice:
[0005] 1. Current treatment methods primarily rely on manual operation due to the relatively simple design of existing magnetic stimulation assistive devices, which only provide a fixed arm for single-point stimulation. This limitation forces doctors or therapists to manually adjust the device's position to accommodate different stimulation needs during practical applications, lacking assistive tools capable of covering a wider area. Furthermore, nerve root magnetic stimulation treatments typically last 10 to 20 minutes, requiring operators to maintain high concentration during this time. Frequent manual adjustments not only increase workload but also limit work efficiency, thus causing numerous inconveniences in clinical practice.
[0006] 2. Most current products on the market use a fixed design, meaning they can only perform transcranial magnetic stimulation (TMS) at predetermined locations. However, with advancements in medical technology, particularly the increasing application of peripheral nerve stimulation (PNS) technology, fixed devices can no longer meet the clinical demands for flexibility. Therefore, we propose an innovative solution: an adjustable moving track for neuromodulation. This design not only overcomes the shortcomings of existing technologies but also better adapts to evolving peripheral stimulation patterns, providing physicians with more diverse treatment options and ensuring that the stimulation position can be flexibly adjusted according to the patient's specific situation, thereby achieving more effective treatment. Utility Model Content
[0007] The purpose of this invention is to provide an adjustable moving track for neuromodulation, in order to solve the problems mentioned in the background art.
[0008] Current treatment methods rely heavily on manual operation due to the relatively simple design of existing magnetic stimulation assistive devices, which only provide a fixed arm for single-point stimulation. This limitation forces doctors or therapists to manually adjust the device's position to accommodate different stimulation needs, lacking assistive tools that can cover a wider area. Furthermore, nerve root magnetic stimulation treatments typically last 10 to 20 minutes, requiring operators to maintain high concentration during this time. Frequent manual adjustments not only increase workload but also limit efficiency, causing numerous inconveniences in clinical practice.
[0009] To achieve the above objectives, this utility model provides the following technical solution:
[0010] An adjustable movable track for neuromodulation includes a support and a coil. A limiting groove is formed on the inner side of the support, and a slide rail is slidably connected inside the limiting groove. A movable frame is rotatably connected inside the support and above the slide rail. A rotating seat is rotatably connected inside the movable frame. A first rotating seat is rotatably connected inside the rotating seat, and a second rotating seat is rotatably connected inside the first rotating seat. A first semi-threaded rod is fixedly connected to the outside of the first rotating seat, and a second semi-threaded rod is fixedly connected to the outside of the second rotating seat. The second semi-threaded rod cooperates with the first semi-threaded rod. A slider is sleeved on the outside of the first semi-threaded rod, and both the first and second semi-threaded rods are threadedly connected to the slider. A sliding groove is formed inside the slide rail, and a sliding rod is slidably connected inside the sliding groove. The sliding rod is fixedly connected to the slider.
[0011] Preferably, both the first and second semi-threaded rods are fixedly connected to knobs on the outside, and a spring is fixedly connected between the two knobs.
[0012] Preferably, a servo motor is fixedly connected to the top of the bracket, the output shaft of the servo motor vertically passes through the bracket and extends into the interior of the bracket, the output shaft of the servo motor is rotatably connected to the bracket, and the movable frame is fixedly connected to the output end of the servo motor.
[0013] Preferably, an electric push rod is fixedly connected to each of the four internal corners of the bracket, a support plate is fixedly connected to the output end of the electric push rod, a control switch is fixedly connected to the top of the bracket, and the servo motor and the electric push rod are electrically connected to the control switch.
[0014] Preferably, a clamp is fixedly connected to the bottom of the slide rail, and the clamp is used in conjunction with the coil.
[0015] Preferably, the outer wall of the slider is in contact with the inner wall of the movable frame.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] The support is placed above the patient's back. Activating the servo motor rotates the movable frame, which in turn causes the slider and slide rod to move in a circular motion. The slide rod presses against the inner wall of the slide groove, causing the slide rail to move back and forth. The slide rail then uses a clamp to move the coil back and forth along the patient's spine. This design eliminates the need for prolonged manual handling, reducing the workload of medical staff, and also increases the treatment area. To control the distance the coil moves back and forth, a knob can be pressed. The knob moves the first and second semi-threaded rods closer together, disengaging them from the internal threads on the slider. This allows for quick adjustment of the slider and slide rod positions. After adjustment, releasing the knob causes the spring force to reset the first and second semi-threaded rods, re-engaging them with the internal threads on the slider. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the slide rail structure of this utility model;
[0020] Figure 3 This is a cross-sectional schematic diagram of the movable frame of this utility model;
[0021] Figure 4 For the present utility model Figure 3 Enlarged view of point A in the image.
[0022] The following are the labels in the diagram: 1. Bracket; 2. Coil; 3. Limiting groove; 4. Slide rail; 5. Movable frame; 6. Rotary seat; 7. First rotating seat; 8. Second rotating seat; 9. First semi-threaded rod; 10. Second semi-threaded rod; 11. Slider; 12. Slide groove; 13. Slide rod; 14. Knob; 15. Spring; 16. Servo motor; 17. Control switch; 18. Clamp; 19. Electric push rod; 20. Support plate. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figures 1 to 4 An adjustable movable track for neuromodulation includes a support 1 and a coil 2. A limiting groove 3 is formed on the inner side of the support 1, and a slide rail 4 is slidably connected inside the limiting groove 3. A movable frame 5 is rotatably connected inside the support 1 and above the slide rail 4. A rotating seat 6 is rotatably connected inside the movable frame 5. A first rotating seat 7 is rotatably connected inside the rotating seat 6, and a second rotating seat 8 is rotatably connected inside the first rotating seat 7. The first and second rotating seats 7 and 8 are used to connect the rotating seat 6 to one end of a first semi-threaded rod 9 and a second semi-threaded rod 10, allowing the first and second semi-threaded rods 9 and 10 to rotate with the rotating seat 6. Under the action of the first and second rotating seats 7 and 8 connected to the rotating seat 6, the first and second semi-threaded rods 9 and 10 can rotate together. The two semi-threaded rods 10 can move closer or further apart like clamps, thereby controlling more quickly whether the first semi-threaded rod 9 and the second semi-threaded rod 10 are engaged with the slider 11. The first semi-threaded rod 9 is fixedly connected to the outside of the first rotating seat 7, and the second semi-threaded rod 10 is fixedly connected to the outside of the second rotating seat 8. The second semi-threaded rod 10 works in conjunction with the first semi-threaded rod 9. The slider 11 is sleeved on the outside of the first semi-threaded rod 9. Both the first semi-threaded rod 9 and the second semi-threaded rod 10 are threadedly connected to the slider 11. The slide rail 4 has a groove 12 inside, and a slide rod 13 is slidably connected inside the groove 12. The slide rod 13 is fixedly connected to the slider 11. The movable frame 5 can drive the slide rod 13 to make a circular motion through the slider 11, thereby pushing the slide rail 4 to move back and forth.
[0025] The rotating seat 6 has a rotating shaft inside, and the ends of the first rotating seat 7 and the second rotating seat 8 that are away from the first semi-threaded rod 9 and the second semi-threaded rod 10 are fixedly connected to the rotating shaft inside the rotating seat 6.
[0026] Furthermore, knobs 14 are fixedly connected to the outside of both the first semi-threaded rod 9 and the second semi-threaded rod 10, and springs 15 are fixedly connected between the two knobs 14. The elastic force of the springs 15 ensures that the first semi-threaded rod 9 and the second semi-threaded rod 10 are always engaged with the slider 11.
[0027] Furthermore, a servo motor 16 is fixedly connected to the top of the support 1. The output shaft of the servo motor 16 passes vertically through the support 1 and extends into the interior of the support 1. The output shaft of the servo motor 16 is rotatably connected to the support 1. The movable frame 5 is fixedly connected to the output end of the servo motor 16. The servo motor 16 directly drives the movable frame 5 to rotate. The movable frame 5 presses against the inner wall of the slide groove 12 through the slide rod 13, thereby driving the slide rail 4 to move back and forth, and finally driving the coil 2 to move back and forth, thereby increasing the treatment area.
[0028] Furthermore, electric push rods 19 are fixedly connected to the four corners inside the bracket 1. The output end of the electric push rod 19 is fixedly connected to the support plate 20. The top of the bracket 1 is fixedly connected to the control switch 17. The servo motor 16 and the electric push rod 19 are electrically connected to the control switch 17 and powered by an external power supply. The servo motor 16 and the electric push rod 19 are controlled by the control switch 17. Under the action of the electric push rod 19, the whole structure can be driven to move up and down, thereby controlling the coil 2 in all directions so that it can conform to the spine and move along the curve of the spine.
[0029] Furthermore, a clamp 18 is fixedly connected to the bottom of the slide rail 4. The clamp 18 is used in conjunction with the coil 2. The clamp 18 is used to connect and fix the coil 2. After the coil 2 is placed inside the clamp 18, the corresponding stud can be driven to abut against the coil 2 by turning the rotating handle on one side of the clamp 18, so as to achieve the purpose of clamping.
[0030] Furthermore, the outer wall of the slider 11 is in contact with the inner wall of the movable frame 5, and the movable frame 5 itself limits the slider 11. The first half-thread rod 9 and the second half-thread rod 10 form a complete screw. When this screw rotates, it will drive the slider 11 to move within the movable frame 5, thereby adjusting the position of the slide rod 13, and finally adjusting the distance of the slide rail 4 moving back and forth. The outer side of the movable frame 5 is set with scale lines, and precise control is achieved by observing the position of the slider 11 relative to the scale lines.
[0031] The steps for using this utility model are as follows: When using this adjustable moving track for neuromodulation, the support 1 is placed above the patient's back. The servo motor 16 is started to drive the movable frame 5 to rotate. The movable frame 5 drives the slider 11 and the slide rod 13 to make circular motion. The slide rod 13 presses against the inner wall of the slide groove 12, thereby driving the slide rail 4 to move back and forth. The slide rail 4 then drives the coil 2 to move back and forth along the patient's spine through the clamp 18. On the one hand, it eliminates the need for long-term manual handling, reducing the workload of medical staff, and on the other hand, it increases the treatment area. If it is necessary to control the distance of the coil 2's back and forth movement, the knob 14 can be pressed. The knob 14 drives the first half-thread rod 9 and the second half-thread rod 10 to move closer to each other, so that they disengage from the internal thread on the slider 11. At this time, the position of the slider 11 and the slide rod 13 can be quickly adjusted. After the adjustment is completed, the knob 14 is released. The elastic force of the spring 15 will drive the first half-thread rod 9 and the second half-thread rod 10 to reset and re-engage with the internal thread on the slider 11. If further fine-tuning is needed, simply turn the knob 14. The adjustment is more convenient and faster.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. An adjustable moving track for neural modulation, comprising a support (1) and a coil (2), characterized in that: The bracket (1) has a limiting groove (3) on its inner side. A slide rail (4) is slidably connected inside the limiting groove (3). A movable frame (5) is rotatably connected inside the bracket (1) and above the slide rail (4). A rotating seat (6) is rotatably connected inside the movable frame (5). A first rotating seat (7) is rotatably connected inside the rotating seat (6). A second rotating seat (8) is rotatably connected inside the first rotating seat (7). A first semi-threaded rod (9) is fixedly connected to the outside of the first rotating seat (7). The second rotating seat (8) is externally fixedly connected to a second semi-threaded rod (10), which is used in conjunction with the first semi-threaded rod (9). The first semi-threaded rod (9) is externally fitted with a slider (11), and both the first semi-threaded rod (9) and the second semi-threaded rod (10) are threadedly connected to the slider (11). The slide rail (4) is internally provided with a slide groove (12), and a slide rod (13) is slidably connected inside the slide groove (12). The slide rod (13) is fixedly connected to the slider (11).
2. The adjustable moving track for neural modulation according to claim 1, characterized in that: A knob (14) is fixedly connected to the outside of both the first semi-threaded rod (9) and the second semi-threaded rod (10), and a spring (15) is fixedly connected between the two knobs (14).
3. The adjustable moving track for neural modulation according to claim 1, characterized in that: A servo motor (16) is fixedly connected to the top of the bracket (1). The output shaft of the servo motor (16) passes vertically through the bracket (1) and extends into the interior of the bracket (1). The output shaft of the servo motor (16) is rotatably connected to the bracket (1). The movable frame (5) is fixedly connected to the output end of the servo motor (16).
4. The adjustable moving track for neural modulation according to claim 3, characterized in that: Electric push rods (19) are fixedly connected to the four corners inside the bracket (1). A support plate (20) is fixedly connected to the output end of the electric push rod (19). A control switch (17) is fixedly connected to the top of the bracket (1). The servo motor (16) and the electric push rod (19) are both electrically connected to the control switch (17).
5. The adjustable moving track for neural modulation according to claim 1, characterized in that: The bottom of the slide rail (4) is fixedly connected to a clamp (18), which is used in conjunction with the coil (2).
6. The adjustable moving track for neural modulation according to claim 1, characterized in that: The outer wall of the slider (11) is in contact with the inner wall of the movable frame (5).