A biofeedback-driven spinal dynamic stabilization device and its usage method

The biofeedback-driven spinal dynamic stabilization device uses posture and tension sensors to monitor patient posture and traction force. Combined with a motor-driven cable system and adjustable distance components, it achieves precise adaptation and intelligent correction of the patient's body shape, solving the problems of insufficient adaptation and safety of traditional devices.

CN122123820APending Publication Date: 2026-06-02SHANDONG UNIV QILU HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANDONG UNIV QILU HOSPITAL
Filing Date
2026-04-29
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Traditional spinal stabilization devices lack flexible adjustment mechanisms, cannot be precisely adapted to the patient's body shape, and cannot be dynamically adjusted to adapt to the patient's real-time posture changes, posing a risk of secondary injury.

Method used

The device employs a biofeedback-driven spinal dynamic stabilization system, which monitors the patient's posture and traction force through posture and tension sensors. Combined with a motor-driven cable system and adjustable distance components, it achieves intelligent correction and safety protection.

Benefits of technology

It achieves precise adaptation and intelligent correction to the patient's body shape, ensuring a comfortable and close fit, real-time monitoring and avoidance of overcorrection, and improving safety and reliability.

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Abstract

This invention relates to the field of medical rehabilitation technology, and in particular to a biofeedback-driven spinal dynamic stabilization device and its method of use, comprising: a stabilizer, which includes stabilization component one, stabilization component two, stabilization component three, and stabilization component four. This invention has the advantages of adapting to the patient's body shape and intelligently correcting spinal posture, with flexible length and width adjustment: the stabilizer has the function of adjustment according to the patient's body shape. By rotating the operating block, through the linkage rod, driving bevel gear, and driven bevel gear transmission, the threaded rod composed of a bidirectional threaded rod rotates, causing the threaded sleeve to drive the fixed plate, rotating plate, and moving plate to move, thereby pushing stabilization component three and stabilization component four to move in opposite directions. Combined with the sliding compensation of the fixed frame in the compensation groove, precise adaptation to the patient's lumbar length is achieved. Simultaneously, using the same adjustment method, the distance between stabilization component two and stabilization component three is adjusted through the distance adjustment component two.
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Description

Technical Field

[0001] This invention relates to the field of medical rehabilitation technology, specifically to a biofeedback-driven spinal dynamic stabilization device and its usage method. Background Technology

[0002] In the field of medical rehabilitation, the rehabilitation and support of spinal-related diseases has always been an important topic of great concern. With changes in people's lifestyles, the incidence of spinal problems such as scoliosis and lumbar muscle strain is increasing year by year and is showing a trend of affecting younger people. In order to help patients relieve pain, correct posture and promote spinal health, a variety of spinal stabilization and support devices have emerged on the market.

[0003] Early spinal stabilization devices were mostly simple in structure and single in function. They mainly focused on providing basic physical support, using rigid materials and fixed structures to restrict the range of motion of the spine in an attempt to stabilize it. However, this simple design revealed many problems in actual use.

[0004] On the one hand, because the shape and curvature of the human spine vary from person to person, and the body shapes of different patients differ greatly, traditional devices often lack flexible adjustment mechanisms and cannot be precisely adapted to the specific body shape of the patient. This leads to many patients feeling that the device does not fit their body tightly during use, resulting in poor wearing comfort and a significant reduction in support effect, making it impossible to truly and effectively stabilize the spine.

[0005] On the other hand, traditional devices have obvious limitations in correcting spinal posture. They can usually only provide static support and cannot make dynamic adjustments according to the patient's real-time posture changes. When the patient bends over or turns, the device cannot respond in time and cannot actively correct and guide the spine, making it difficult to meet the actual needs of patients in daily activities.

[0006] Furthermore, due to the lack of effective safety protection mechanisms, excessive traction during the correction process can easily cause secondary injury to the patient. Therefore, there is an urgent need for a biofeedback-driven spinal dynamic stabilization device and its usage method to solve the above problems. Summary of the Invention

[0007] The purpose of this invention is to provide a biofeedback-driven spinal dynamic stabilization device and its usage method, which has the advantages of adapting to the patient's body shape and intelligently correcting spinal posture, thus solving the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a biofeedback driven spinal dynamic stabilization device and its usage method, comprising: a stabilizer, wherein the stabilizer includes a stabilization component one, a stabilization component two, a stabilization component three, and a stabilization component four.

[0009] An adjustment component 1 is provided between the stabilizing component 3 and the stabilizing component 4, and an adjustment component 2 is provided between the stabilizing component 2 and the stabilizing component 3.

[0010] The adjusting component one includes a fixed frame. Two compensation grooves are formed on opposite sides of the stabilizing components three and four. Both sides of the fixed frame extend into the inner cavity of the compensation grooves and are slidably connected to them. A threaded rod is rotatably connected to the inner cavity of the fixed frame. The threaded rod consists of two bidirectional threaded rods. Four threaded sleeves are threadedly connected to the surface of the threaded rod; the two upper threaded sleeves cooperate, and the two lower threaded sleeves cooperate. Fixed plates are fixedly connected to both sides of the threaded sleeves. A rotating plate is rotatably connected to one side of the fixed plate. A moving plate is rotatably connected to one side of both rotating plates. One side of the moving plate is fixedly connected to stabilizing components three and four respectively. A driven bevel gear is fixedly connected to the bottom of the surface of the threaded rod. A connecting rod is passed through one side of the fixed frame. One end of the connecting rod passes through the inner cavity of the fixed frame and is fixedly connected to a driving bevel gear. The driving bevel gear meshes with the driven bevel gear.

[0011] The adjustment component one and adjustment component two have the same structure, and adjustment component two is used in conjunction with stabilizing component two and stabilizing component three.

[0012] A correction component is provided on one side of the stabilizer.

[0013] The correction assembly includes a motor fixedly connected to the stabilizing assembly three. The output shaft of the motor is fixedly connected to a transmission component one. A tightening roller one is fixedly connected to one side of the transmission component one. A support rod is rotatably connected to one side of the stabilizing assembly four. A transmission component two is fixedly connected to one end of the support rod. A tightening roller two is fixedly connected to one side of the transmission component two. A support plate is fixedly connected to one side of both the stabilizing assembly three and the stabilizing assembly four. Movable gears are rotatably connected to opposite sides of the two support plates. The movable gears mesh with the transmission component one and the transmission component two, respectively. Rope one and rope two are wound around the surfaces of the tightening roller one and the tightening roller two, respectively. One end of rope one and rope two is fixedly connected to the stabilizing assembly two and the stabilizing assembly one, respectively. Tension sensors are provided on the surfaces of rope one and rope two. A transmission rod is provided through the opposite sides of the two movable gears. Two protrusions are fixedly connected to the inner wall of the movable gear. A groove adapted to the protrusions is formed on the surface of the transmission rod.

[0014] An attitude sensor is embedded on one side of both the third and fourth stabilizing components, and a controller is installed inside the cavity of the fourth stabilizing component.

[0015] Furthermore, as a preferred embodiment of the present invention, both the attitude sensor and the tension sensor are electrically connected to the controller, and the controller is electrically connected to the motor.

[0016] Furthermore, as a preferred embodiment of the present invention, each of the two stabilizing components is provided with an adapter groove on its opposite side, and the inner cavities of the two adapter grooves are slidably connected to an adapter block.

[0017] Furthermore, as a preferred embodiment of the present invention, each of the stabilizing component one and the stabilizing component four has an adapter groove two on its opposite side, and the inner cavities of the two adapter grooves two are slidably connected to an adapter block two.

[0018] Furthermore, as a preferred embodiment of the present invention, each of the stabilizing components one, two, three and four has a plurality of ventilation holes on one side.

[0019] Furthermore, as a preferred embodiment of the present invention, a stabilizing block is rotatably connected to the center of the surface of the threaded rod, and one side of the stabilizing block is fixedly connected to the fixing frame.

[0020] Furthermore, as a preferred embodiment of the present invention, one end of the active bevel gear extends through to the outside of the fixed frame and is fixedly connected to an operating block, the surface of which is provided with a plurality of anti-slip grooves.

[0021] Furthermore, as a preferred embodiment of the present invention, a second stabilizing block is rotatably connected to the surface of the transmission rod, and one side of the second stabilizing block is fixedly connected to the fixing frame.

[0022] In this invention, a method for using a biofeedback-driven spinal dynamic stabilization device includes the following steps: Step 1: The user puts the stabilizer on. This device is adjustable to fit the user's body shape. The user starts the adjustment process by rotating the operating block. The rotation of the operating block drives the driving bevel gear through the linkage rod. The driving bevel gear meshes with the driven bevel gear on the threaded rod, thereby driving the threaded rod to rotate. The threaded rod consists of two bidirectional threaded rods. The threaded design on its surface allows the two upper threaded sleeves to move relative to each other during rotation, while simultaneously moving the two lower threaded sleeves relative to each other. When the threaded sleeves move, they cause the fixed plates on both sides to move in the same direction. The movement of the fixed plates causes the two rotating plates to rotate, and the rotation of the rotating plates further pushes the moving plate to move. One side of the moving plate is fixedly connected to stabilizing components three and four respectively. Therefore, the movement of the moving plate will push stabilizing components three and four. The components move in opposite directions. During this process, both sides of the fixation frame extend into the inner cavity of the compensation groove opened on the opposite side of the stabilizing components three and four, and slide to connect with the compensation groove. The fixation frame slides in the inner cavity of the compensation groove to compensate for the movement of the stabilizing components three and four, thereby achieving a precise fit to the patient's waist length. At the same time, each of the opposite sides of the stabilizing components one and two has an adapter groove one, and the inner cavities of the two adapter grooves one are slidably connected to the adapter block one. Each of the opposite sides of the stabilizing components one and four has an adapter groove two, and the inner cavities of the two adapter grooves two are slidably connected to the adapter block two. Using the same adjustment method, the distance between the stabilizing components two and three is adjusted by the distance adjustment component two, thereby achieving a fit to the patient's waist width and ensuring that the stabilizer can fit tightly and comfortably on the patient's body.

[0023] Step Two: When the patient bends over, the posture sensor located on one side of stabilizing components three and four begins to function. It can accurately detect whether the patient is bending to the left or right. If the patient is detected bending to the left, the posture sensor will immediately transmit this information to the controller located inside the cavity of stabilizing component three. After receiving the information, the controller will quickly start the motor and drive it to rotate counterclockwise. The output shaft of the motor is fixedly connected to transmission component one. The rotation of the motor drives the tightening roller one to rotate through the transmission component one. The tightening roller one gradually unwinds the rope one, making the rope one longer. At the same time, the rotation of transmission component one drives the movable gear meshing with it to rotate. The movable gear drives another movable gear to rotate through the transmission between the groove and the protrusion, thereby driving... The second transmission component rotates clockwise, driving the second tightening roller to also rotate clockwise, tightening the second rope. This creates a tug-of-war effect: the left rope relaxes while the right rope tightens, correcting the patient's spine and restoring a proper posture. Conversely, if the patient is detected bending to the right, the motor flips, and through the combined action of the above structures, the right rope relaxes while the left rope tightens, similarly correcting the patient's spine. Simultaneously, tension sensors on the surfaces of ropes one and two monitor the traction force in real time. When the tension sensors detect excessive traction, they send information to the controller, which then controls the motor to drive the first transmission component to rotate, automatically releasing the force and preventing overcorrection that could harm the patient.

[0024] Step 3: When stabilizing components three and four move in opposite directions, the transmission rod slides between the two movable gears, and the protrusion slides in the inner cavity of the groove. This design improves the rationality of the transmission rod's layout, allowing it to move flexibly during device adjustment and ensuring transmission stability. When the movable gear rotates, it drives the transmission rod to rotate under the transmission of the protrusion and groove. Then, the transmission rod drives the other movable gear to rotate. This transmission method improves the rationality of the transmission, making the entire correction component more efficient and stable during operation, and better achieving dynamic stability support and correction for the patient's spine.

[0025] Beneficial effects: The technical solution of this application has the following technical effects: This invention has the advantages of adapting to the patient's body shape and intelligently correcting spinal posture.

[0026] Adapt to patient body type Flexible length and width adjustment: This stabilizer is adjustable according to the patient's body shape. By rotating the operating block, the connecting rod, driving bevel gear, and driven bevel gear drive the threaded rod composed of bidirectional threaded rods to rotate. This causes the threaded sleeve to move the fixed plate, rotating plate, and moving plate, which in turn pushes the three and four stabilizing components to move in opposite directions. Combined with the sliding compensation of the fixed frame in the compensation groove, it achieves a precise fit to the patient's waist length. At the same time, using the same adjustment method, the distance between the two stabilizing components is adjusted by the distance adjustment component to achieve a fit to the patient's waist width. This ensures that the stabilizer can fit snugly and comfortably on the patient's body, meeting the usage needs of patients with different body shapes.

[0027] The adjustment process is stable and reliable: During the adjustment process, the transmission structure between each component is reasonably designed, such as the threaded fit between the threaded rod and the threaded sleeve, and the rotational connection between the rotating plate and the moving plate, which ensures the stability and accuracy of the adjustment process, can accurately control the movement distance of the stabilizing components, and improve the fitting accuracy to the patient's body shape.

[0028] Intelligent spinal posture correction Real-time monitoring of bending direction: The posture sensors installed on one side of the stabilizing components three and four can accurately detect whether the patient is bending to the left or right and transmit the information to the controller in a timely manner, providing an accurate basis for subsequent corrective actions.

[0029] Automatically creates a tug-of-war effect to correct posture: When the direction of the patient's bending is detected, the controller quickly controls the motor to start and drive it to rotate in the corresponding direction. Through the cooperation of components such as transmission component one, tightening roller one, movable gear, transmission component two, and tightening roller two, a tug-of-war effect is created, that is, the rope on one side is relaxed and the rope on the other side is tightened, which corrects the patient's spine and promotes the restoration of the correct posture, realizing the intelligent spinal correction function.

[0030] Real-time monitoring and automatic force relief to avoid injury: Tension sensors installed on the surface of the rope monitor the traction force of the rope in real time. When excessive traction force is detected, the information is fed back to the controller. The controller controls the motor to drive the transmission components to rotate, automatically releasing the force and avoiding overcorrection that could cause injury to the patient, thus improving the safety and reliability of the device.

[0031] Reasonable and Flexible Layout: When stabilizing components three and four move in opposite directions, the transmission rod slides between the two movable gears, and the protrusion slides within the inner cavity of the groove. This improves the rationality of the transmission rod's layout, allowing it to move flexibly during device adjustment to adapt to different adjustment needs. Stable and Efficient Transmission: When the movable gear rotates, it drives the transmission rod to rotate under the transmission of the protrusion and groove. The transmission rod then drives another movable gear to rotate. This transmission method improves the rationality of transmission, reduces energy loss, and makes the entire orthopedic assembly more efficient and stable during operation, better achieving dynamic stability support and correction for the patient's spine. Attached Figure Description

[0032] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a rear-view stereoscopic structural diagram of the present invention; Figure 3 This is a schematic diagram of a partial structural disassembly of the distance adjustment component of the present invention; Figure 4 This is a rear view of a partial structure of the stabilizer of the present invention; Figure 5 This is a rear view of a partial structure of the correction component of the present invention; Figure 6 This is a schematic diagram showing a partial disassembled state of the movable gear and transmission rod of the present invention.

[0033] In the diagram, the meanings of the reference numerals are as follows: 1. Stabilizer; 101. Stabilizing Component 1; 102. Stabilizing Component 2; 103. Stabilizing Component 3; 104. Stabilizing Component 4; 2. Adjustable Gear Component 1; 21. Fixing Frame; 22. Compensation Groove; 23. Threaded Rod; 24. Threaded Sleeve; 25. Fixing Plate; 26. Rotating Plate; 27. Moving Plate; 28. Driven Bevel Gear; 29. ​​Linkage Rod; 210. Driving Bevel Gear; 211. Stabilizing Block 1; 212. Operating Block; 3. Adjustable Gear Component 2; 4. Correction components; 41. Motor; 42. Transmission component one; 43. Tensioning roller one; 44. Support rod; 45. Transmission component two; 46. Tensioning roller two; 47. Support plate; 48. Movable gear; 49. Rope one; 410. Rope two; 411. Tension sensor; 412. Transmission rod; 413. Protrusion; 414. Groove; 415. Stabilizing block two; 5. Attitude sensor; 6. Controller; 7. Adapter slot one; 8. Adapter block one; 9. Adapter slot two; 10. Adapter block two; 11. Ventilation hole. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. To better understand the technical content of the present invention, specific embodiments are provided and described in conjunction with the accompanying drawings. Various aspects of the present invention are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0035] As attached Figure 1 To be continued Figure 6 As shown: This embodiment provides a biofeedback driven spinal dynamic stabilization device and its usage method, including: stabilizer 1, stabilizer 1 including stabilization component one 101, stabilization component two 102, stabilization component three 103 and stabilization component four 104.

[0036] An adjustment component 1 2 is provided between stabilizing component 3 103 and stabilizing component 4 104, and an adjustment component 2 3 is provided between stabilizing component 2 102 and stabilizing component 3 103.

[0037] The adjustment component 1 2 includes a fixing frame 21. Two compensation grooves 22 are opened on opposite sides of the stabilizing components 3 103 and 4 104. Both sides of the fixing frame 21 extend into the inner cavity of the compensation grooves 22 and are slidably connected to them. A threaded rod 23 is rotatably connected to the inner cavity of the fixing frame 21. The threaded rod 23 consists of two bidirectional threaded rods. Four threaded sleeves 24 are threadedly connected to the surface of the threaded rod 23. The two upper threaded sleeves 24 are used in conjunction, and the two lower threaded sleeves 24 are used in conjunction. Both sides of the threaded sleeves 24 are fixed. A fixed plate 25 is connected, and a rotating plate 26 is rotatably connected to one side of the fixed plate 25. A movable plate 27 is rotatably connected to one side of both rotating plates 26. One side of the movable plate 27 is fixedly connected to the third stabilizing component 103 and the fourth stabilizing component 104, respectively. A driven bevel gear 28 is fixedly connected to the bottom of the surface of the threaded rod 23. A connecting rod 29 is provided through one side of the fixed frame 21. One end of the connecting rod 29 passes through the inner cavity of the fixed frame 21 and is fixedly connected to the driving bevel gear 210. The driving bevel gear 210 meshes with the driven bevel gear 28.

[0038] The adjustment component 1 2 and the adjustment component 2 3 have the same structure, and the adjustment component 2 3 is used in conjunction with the stabilizing component 2 102 and the stabilizing component 3 103.

[0039] A corrective component 4 is provided on one side of the stabilizer 1.

[0040] The corrective component 4 includes a motor 41 fixedly connected to the stabilizing component 3 103. The output shaft of the motor 41 is fixedly connected to a transmission component 42. A tightening roller 43 is fixedly connected to one side of the transmission component 42. A support rod 44 is rotatably connected to one side of the stabilizing component 4 104. A transmission component 45 is fixedly connected to one end of the support rod 44. A tightening roller 46 is fixedly connected to one side of the transmission component 45. Support plates 47 are fixedly connected to one side of both the stabilizing component 3 103 and the stabilizing component 4 104. Movable gears 48 are rotatably connected to opposite sides of the two support plates 47. The movable gears 48 respectively... Engaging with transmission component 1 42 and transmission component 2 45, the surfaces of tightening roller 1 43 and tightening roller 2 46 are respectively wound with rope 1 49 and rope 2 410. One end of rope 1 49 and rope 2 410 is fixedly connected to stabilizing component 2 102 and stabilizing component 1 101 respectively. Tension sensors 411 are provided on the surfaces of rope 1 49 and rope 2 410. A transmission rod 412 is provided through the opposite side of the two movable gears 48. Two protrusions 413 are fixedly connected to the inner wall of the movable gears 48. The surface of the transmission rod 412 is provided with a groove 414 that matches the protrusions 413.

[0041] An attitude sensor 5 is embedded on one side of both the third stabilizing component 103 and the fourth stabilizing component 104, and a controller 6 is installed inside the cavity of the fourth stabilizing component 104.

[0042] Specifically, both the attitude sensor 5 and the tension sensor 411 are electrically connected to the controller 6, and the controller 6 is electrically connected to the motor 41.

[0043] In this embodiment: through the connection settings, the posture sensor 5 and the tension sensor 411 can transmit the monitored data to the controller 6 in real time. The controller 6 then controls the motor 41 to start, which effectively improves the intelligence level of the device and can provide stable and reliable support for the patient.

[0044] Specifically, both the stabilizing component 101 and the stabilizing component 202 have an adapter groove 7 on their opposite sides, and the inner cavities of the two adapter grooves 7 are slidably connected to an adapter block 8.

[0045] In this embodiment: through the cooperative use of the adapter slot 1 7 and the adapter block 1 8, when the stabilizing component 3 103 and the stabilizing component 4 104 move in opposite directions under the drive of the adjusting component 1 2, the adapter block 1 8 will slide along the inner cavity of the adapter slot 1 7, thereby providing stable support for the movement of the stabilizing component 1 101 and the stabilizing component 2 102.

[0046] Specifically, both the first stabilizing component 101 and the fourth stabilizing component 104 have an adapter groove 9 on their opposite sides, and the inner cavities of the two adapter grooves 9 are slidably connected to the adapter block 10.

[0047] In this embodiment: through the cooperative use of the second adapter slot 9 and the second adapter block 10, when the second stabilizing component 102 and the third stabilizing component 103 move in opposite directions under the action of the second adjusting component 3, the second adapter block 10 will slide in the inner cavity of the second adapter slot 9, thereby providing strong support for the movement of the fourth stabilizing component 104 and the first stabilizing component 101.

[0048] Specifically, each of the stabilizing components 101, 102, 103, and 104 has several ventilation holes 11 on one side, which are fixedly connected to the fixing frame 21.

[0049] In this embodiment, the ventilation holes 11 create an air passage when the patient wears the device, effectively preventing the patient from feeling stuffy or hot.

[0050] Specifically, a stabilizing block 211 is rotatably connected to the center of the surface of the threaded rod 23, and one side of the stabilizing block 211 is fixedly connected to the fixing frame 21.

[0051] In this embodiment, the setting of the stabilizing block 211 enables the threaded rod 23 to rotate stably in its inner cavity, providing a solid guarantee for the safe rotation of the threaded rod 23.

[0052] Specifically, one end of the active bevel gear 210 extends through to the outside of the fixed frame 21 and is fixedly connected to the operating block 212, and the surface of the operating block 212 is provided with several anti-slip grooves.

[0053] In this embodiment, the operation block 212 and the anti-slip groove work together to facilitate the user to rotate the linkage 29, thereby achieving the purpose of convenient operation.

[0054] Specifically, a second stabilizing block 415 is rotatably connected to the surface of the transmission rod 412, and one side of the second stabilizing block 415 is connected to it.

[0055] In this embodiment, the setting of the second stabilizing block 415 provides support for the transmission rod 412 on the one hand, and prevents the transmission rod 412 from shifting left or right on the other hand.

[0056] In this invention, a method for using a biofeedback-driven spinal dynamic stabilization device includes the following steps: Step 1: The user puts the stabilizer 1 on themselves. This device has an adjustment function according to the user's body shape. The user starts the adjustment process by rotating the operating block 212. The rotation of the operating block 212 drives the driving bevel gear 210 to rotate through the transmission of the connecting rod 29. The driving bevel gear 210 meshes with the driven bevel gear 28 on the threaded rod 23, thereby driving the threaded rod 23 to rotate. The threaded rod 23 consists of two bidirectional threaded rods. The thread design on its surface allows the two upper threaded sleeves 24 to move relative to each other when rotated, and at the same time drives the two lower threaded sleeves 24 to move relative to each other. When the threaded sleeves 24 move, they will drive the fixed plates 25 fixed on both sides to move in the same direction. The movement of the fixed plates 25 causes the two rotating plates 26 to rotate. The rotation of the rotating plates 26 further pushes the moving plate 27 to move. One side of the moving plate 27 is fixedly connected to the third stabilizing component 103 and the fourth stabilizing component 104 respectively. Therefore, the movement of the moving plate 27 will push the third stabilizing component 103 and the fourth stabilizing component 104 to move. 104. The components move in opposite directions. During this process, both sides of the fixation frame 21 extend into the inner cavity of the compensation groove 22 opened on the opposite side of the stabilizing component three 103 and the stabilizing component four 104, and slide in the compensation groove 22. The fixation frame 21 slides in the inner cavity of the compensation groove 22 to compensate for the movement of the stabilizing component three 103 and the stabilizing component four 104, thereby achieving a precise fit for the patient's waist length. At the same time, the opposite side of the stabilizing component one 101 and the stabilizing component two 102 are provided with fitting grooves. 1. The inner cavities of the two adapter slots 1.7 are slidably connected to the adapter block 1.8. The two stabilizing components 1.01 and 4.04 are each provided with an adapter slot 2.9 on their opposite sides. The inner cavities of the two adapter slots 2.9 are slidably connected to the adapter block 2.10. Using the same adjustment method, the distance between the stabilizing component 2.02 and stabilizing component 3.03 is adjusted by the distance adjustment component 2.03 to achieve the fit of the patient's waist width and ensure that the stabilizer 1 can fit the patient's body tightly and comfortably.

[0057] Step Two: When the patient bends over, the posture sensor 5, located on one side of the stabilizing component 3 103 and the stabilizing component 4 104, begins to function. It can accurately detect whether the patient is bending to the left or right. If the patient is detected bending to the left, the posture sensor 5 immediately transmits this information to the controller 6 located inside the cavity of the stabilizing component 3 103. After receiving the information, the controller 6 quickly controls the motor 41 to start and drives the motor 41 to rotate counterclockwise. The output shaft of the motor 41 is fixedly connected to the transmission component 42. The rotation of the motor 41 drives the tightening roller 43 to rotate through the transmission component 42. The tightening roller 43 gradually unwinds the rope 49, making the rope 49 longer. At the same time, the rotation of the transmission component 42 drives the movable gear 48 meshing with it to rotate. The movable gear 48 drives another movable gear 48 to rotate through the transmission between the groove 414 and the protrusion 413, thereby... The transmission component 45 rotates clockwise, causing the tightening roller 46 to rotate clockwise as well, tightening the rope 410. This creates a tug-of-war effect, where the left rope 49 relaxes while the right rope 410 tightens, correcting the patient's spine and restoring a proper posture. Conversely, if the patient is detected bending to the right, the motor 41 flips, and through the combined action of the above structures, the right rope 410 relaxes while the left rope 49 tightens, similarly correcting the patient's spine. Simultaneously, tension sensors 411 on the surfaces of ropes 49 and 410 monitor the traction force in real time. When the tension sensor 411 detects excessive traction force, it sends feedback to the controller 6. The controller 6 then controls the motor 41 to drive the transmission component 42 to rotate, automatically releasing the force and preventing overcorrection from harming the patient.

[0058] Step 3: When the stabilizing components 3 103 and 4 104 move in opposite directions, the transmission rod 412 slides between the two movable gears 48, and the protrusion 413 slides in the inner cavity of the groove 414. This design improves the rationality of the layout of the transmission rod 412, allowing it to move flexibly during device adjustment and ensuring transmission stability. When the movable gear 48 rotates, it drives the transmission rod 412 to rotate under the transmission of the protrusion 413 and the groove 414. Then, the transmission rod 412 drives the other movable gear 48 to rotate. This transmission method improves the rationality of the transmission, making the entire correction component 4 more efficient and stable during operation, and better achieving dynamic stability support and correction for the patient's spine.

[0059] In summary, the four-dimensional adjustable stabilizing frame in step one provides a precise physical base for the intelligent dynamic correction system in step two. The sliding compensation design of the bidirectional threaded rod 23 and the compensation groove 22 ensures that the stabilizing components 3 103 and 4 104 maintain a linear trajectory during length adjustment, avoiding the accuracy drift caused by gaps in traditional adjustment mechanisms. The nested structure of the adapter groove 1 7 and adapter block 1 8, and the adapter groove 2 9 and adapter block 2 10, forms a tenon-and-mortise constraint when the stabilizing components are adjusted in width, ensuring structural stability during adjustment and avoiding stress concentration during the adjustment process. This mechanical design allows the device to form a millimeter-level fit on the patient's waist, providing a zero-gap force transmission interface for the dynamic correction in step two.

[0060] The biofeedback-driven orthodontic system in step two achieves intelligent control of the corrective force through dual feedback from posture sensor 5 and tension sensor 411. When posture sensor 5 detects that the patient bends to the left, controller 6 drives motor 41 to rotate counterclockwise. Through transmission component 1 42, it drives tension roller 43 to loosen rope 49. At the same time, through the meshing of movable gear 48 and transmission component 2 45, it drives tension roller 2 46 to tighten rope 2 410, forming a tug-of-war effect of left loose and right tight. Tension sensor 411 monitors the rope traction force in real time. When it exceeds the preset threshold, controller 6 immediately triggers the motor to reverse and unload the force to avoid overcorrection. This closed-loop control of "detection-judgment-execution-feedback" keeps the corrective force in a safe and effective dynamic balance range, solving the clinical pain points of "undercorrection" or "overcorrection" in traditional orthodontic devices.

[0061] The convex-groove transmission mechanism in step three achieves continuous transmission during adjustment and correction through the sliding engagement of the convex 413 at both ends of the transmission rod 412 with the groove 414 of the movable gear 48. When the stabilizing components 3 103 and 4 104 move in opposite directions, the transmission rod 412 slides between the movable gears 48, and the convex 413 slides synchronously within the groove 414. This ensures the flexibility of transmission and avoids the risk of tooth dislodgement that may occur during adjustment in traditional gear transmission. When the movable gear 48 rotates, the transmission between the convex 413 and the groove 414 drives the transmission rod 412 to rotate, which in turn drives another movable gear 4848 to rotate. This gear-convex-groove composite transmission method effectively improves the efficiency of corrective force transmission, while reducing transmission noise and improving patient comfort.

[0062] The core innovation of this invention lies in the deep integration of mechanical adjustment precision, electronic sensing precision, and intelligent algorithm control, forming a synergistic effect that existing technologies cannot achieve alone. Traditional spinal correction devices either only have mechanical adjustment functions and cannot achieve dynamic correction, or they have dynamic correction functions but lack a precise mechanical base and safe closed-loop control. This invention, through the synergistic effect of steps one, two, and three, achieves intelligent control of the entire process from static adaptation to dynamic correction. Its composite design of "four-dimensional adjustment - dual-rope tug-of-war - tension threshold control" enables the device to achieve millimeter-level adaptation precision and active spinal correction in clinical applications. At the same time, tension threshold control ensures safety of use, forming a three-dimensional synergistic advantage of "precision - strength - safety," which is an innovative breakthrough that existing technologies cannot achieve alone.

[0063] The core innovation of step one The compound transmission mechanism of the bidirectional threaded rod 23: The two bidirectional threaded rods 23 are linked by a bevel gear set to realize the synchronous reverse movement of the upper and lower threaded sleeves 24. This design not only simplifies the operation, but also ensures the stability after adjustment through mechanical self-locking characteristics.

[0064] Coupling design for spatial compensation: The sliding of the fixed frame 21 in the compensation groove 22 is not passive adaptation, but active participation in the transmission of force. When the moving plate 27 pushes the stabilizing component, the sliding path of the compensation groove 22 and the rigid support of the fixed frame 21 form a "dynamic-static" force flow channel, avoiding structural instability caused by size adjustment.

[0065] Four-component collaborative topology: Through the cross sliding connection of adapter slot 7 and adapter block 8, such as the shared adapter block 8 by stabilizing component 101 and stabilizing component 202, and the shared adapter block 20 by stabilizing component 101 and stabilizing component 404, a structure similar to a "telescopic net" is formed. When the width of the adjustable component is adjusted, the sliding of the adapter block in the slot automatically compensates for the displacement deviation in the length direction, realizing the decoupling control of waist circumference and waist length.

[0066] Biomechanical compatibility: All adjustment surfaces use sliding connections instead of rigid fixation, allowing the device to deform slightly with muscle activity when it fits the body surface, reducing local pressure points.

[0067] Step Two: Intelligent Response Orientation control based on posture recognition: After the posture sensor 5 detects the bending direction, the controller 6 starts the motor 41 within milliseconds. The key innovation lies in the antagonistic system of the single motor 41 driving the ropes on both sides: Bending to the left - the motor rotates counterclockwise - the second tightening roller takes in the rope + the first tightening roller releases the rope - the tension on the right side increases, and the tension on the left side decreases - generating a rightward corrective torque.

[0068] Reverse transmission of gear meshing: The movable gear 48 achieves reverse synchronization through the protrusion 413-groove 414 structure, enabling the single motor 41 to output a bidirectional torque, which greatly reduces energy consumption and volume.

[0069] Two-stage closed-loop control: First-level closed loop: Attitude sensor 5 controls the correction direction; Secondary closed loop: Tension sensor 411 monitors rope tension - when the limit is exceeded, the controller is triggered to reduce the force.

[0070] Dynamic unloading algorithm: The controller 6 adjusts the speed of the motor 41 in real time according to the rate of change of tension, avoiding spinal vibration caused by the "step unloading" of traditional orthotics.

[0071] Step 3 serves as a core link Space adaptive transmission: When adjusting the size of the device in step one, the stabilizing components move in opposite directions - the transmission rod 412 slides between the movable gears, and at the same time the protrusion 413 moves along the path of the groove 414. This process allows the gear meshing depth to automatically adapt to the new position, maintaining the transmission efficiency unchanged.

[0072] Decoupling design of motion-transmission: The protrusion 413-groove 414 structure separates the axial displacement and radial rotation of the transmission rod 412, ensuring that the transmission chain is uninterrupted during size adjustment.

[0073] Vibration suppression mechanism: When the movable gear rotates, the curved surface contact of the protrusion 413 and groove 414 generates a damping effect, absorbing sudden tension fluctuations in the rope and preventing the device from resonating.

[0074] Force transmission path optimization: The transmission rod 412 acts as a "power distribution shaft", splitting the output of a single motor into two torques with a phase difference of 180°, forming a natural anti-torsional stiffness and avoiding lateral shear force on the spine caused by asynchronous tension of the ropes on both sides.

[0075] Inter-mechanical coupling: The mechanical adjustment in step one provides a stable anchor point for step two, and the transmission optimization in step three ensures the accurate transmission of corrective force for any body type; Sensing-execution integration: The attitude sensor 5 and the tension sensor 411 form a two-dimensional closed loop of "direction-force", and the bump 413-groove 414 structure in step three becomes a physical layer signal filter. Dynamic Adaptability: The device achieves full-cycle coverage of "adjustment-stabilization-correction-protection" through three seamless switching in scenarios such as initial wearing, daily activities, and sudden actions.

[0076] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0077] While the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. A biofeedback-driven spinal dynamic stabilization device and its method of use, comprising: Stabilizer (1), characterized in that: the stabilizer (1) includes stabilizing component one (101), stabilizing component two (102), stabilizing component three (103) and stabilizing component four (104). An adjustment component 1 (2) is provided between the stabilizing component 3 (103) and the stabilizing component 4 (104), and an adjustment component 2 (3) is provided between the stabilizing component 2 (102) and the stabilizing component 3 (103). The adjusting component 1 (2) includes a fixing frame (21). The stabilizing components 3 (103) and 4 (104) each have two compensation grooves (22) on opposite sides. Both sides of the fixing frame (21) extend into the inner cavity of the compensation groove (22) and are slidably connected to the compensation groove (22). The inner cavity of the fixing frame (21) is rotatably connected to a threaded rod (23). The threaded rod (23) consists of two bidirectional threaded rods. The surface of the threaded rod (23) is threaded with four threaded sleeves (24). The two upper threaded sleeves (24) are used together, and the two lower threaded sleeves (24) are used together. Both sides of the threaded sleeves (24) are fixed. A fixed plate (25) is connected to the fixed plate (25). A rotating plate (26) is rotatably connected to one side of the fixed plate (25). A moving plate (27) is rotatably connected to one side of the two rotating plates (26). One side of the moving plate (27) is fixedly connected to the third stabilizing component (103) and the fourth stabilizing component (104) respectively. A driven bevel gear (28) is fixedly connected to the bottom of the surface of the threaded rod (23). A connecting rod (29) is provided through one side of the fixed frame (21). One end of the connecting rod (29) is inserted into the inner cavity of the fixed frame (21) and fixedly connected to the driving bevel gear (210). The driving bevel gear (210) meshes with the driven bevel gear (28). The adjustment component one (2) and the adjustment component two (3) have the same structure, and the adjustment component two (3) is used in conjunction with the stabilizing component two (102) and the stabilizing component three (103); A correction component (4) is provided on one side of the stabilizer (1). The corrective component (4) includes a motor (41) fixedly connected to the stabilizing component three (103). The output shaft of the motor (41) is fixedly connected to a transmission component one (42). A tightening roller one (43) is fixedly connected to one side of the transmission component one (42). A support rod (44) is rotatably connected to one side of the stabilizing component four (104). A transmission component two (45) is fixedly connected to one end of the support rod (44). A tightening roller two (46) is fixedly connected to one side of the transmission component two (45). A support plate (47) is fixedly connected to one side of both the stabilizing component three (103) and the stabilizing component four (104). A movable gear (48) is rotatably connected to the opposite side of each of the two support plates (47). The first (42) and the second (45) of the transmission components are respectively engaged with the first (43) and the second (46) of the transmission components. The first (49) and the second (410) of the tensioning rollers are respectively wound with ropes. One end of the first (49) and the second (410) of the transmission components are respectively fixedly connected to the second (102) and the first (101) of the stabilizing components. The first (49) and the second (410) of the transmission components are respectively provided with tension sensors (411). The two movable gears (48) are connected to a transmission rod (412) through one side of their opposite sides. The inner wall of the movable gear (48) is fixedly connected with two protrusions (413). The surface of the transmission rod (412) is provided with a groove (414) that matches the protrusions (413). An attitude sensor (5) is embedded on one side of both the third (103) and the fourth (104) stabilizing components, and a controller (6) is provided in the inner cavity of the fourth (104) stabilizing component.

2. The biofeedback-driven spinal dynamic stabilization device according to claim 1, characterized in that: The attitude sensor (5) and the tension sensor (411) are both electrically connected to the controller (6), and the controller (6) is electrically connected to the motor (41).

3. The biofeedback-driven spinal dynamic stabilization device according to claim 1, characterized in that: The two stabilizing components (101 and 102) each have an adapter groove (7) on their opposite sides, and the inner cavities of the two adapter grooves (7) are slidably connected to an adapter block (8).

4. The biofeedback-driven spinal dynamic stabilization device according to claim 1, characterized in that: The two stabilizing components 1 (101) and 4 (104) each have an adapter groove 2 (9) on their opposite sides, and the inner cavities of the two adapter grooves 2 (9) are slidably connected to the adapter block 2 (10).

5. The biofeedback-driven spinal dynamic stabilization device according to claim 1, characterized in that: Each of the stabilizing components 1 (101), 2 (102), 3 (103) and 4 (104) has several ventilation holes (11) on one side.

6. The biofeedback-driven spinal dynamic stabilization device according to claim 1, characterized in that: A stabilizing block (211) is rotatably connected at the center of the surface of the threaded rod (23), and one side of the stabilizing block (211) is fixedly connected to the fixing frame (21).

7. The biofeedback-driven spinal dynamic stabilization device according to claim 1, characterized in that: One end of the active bevel gear (210) extends through to the outside of the fixed frame (21) and is fixedly connected to the operating block (212). The surface of the operating block (212) is provided with several anti-slip grooves.

8. The biofeedback-driven spinal dynamic stabilization device according to claim 1, characterized in that: The surface of the transmission rod (412) is rotatably connected to a second stabilizing block (415), and one side of the second stabilizing block (415) is fixedly connected to the fixing frame (21).

9. A method of using a biofeedback-driven spinal dynamic stabilization device, characterized in that: The method includes the following steps: Step 1: The user puts the stabilizer (1) on himself. The device has the function of adjusting according to the user's body shape. The user starts the adjustment process by rotating the operating block (212). The rotation of the operating block (212) drives the driving bevel gear (210) to rotate through the transmission of the connecting rod (29). The driving bevel gear (210) meshes with the driven bevel gear (28) on the threaded rod (23), thereby driving the threaded rod (23) to rotate. The threaded rod (23) is composed of two bidirectional threaded rods. The thread design on its surface allows it to drive the upper part of the rod to rotate when it rotates. The two threaded sleeves (24) move relative to each other, which in turn drives the two threaded sleeves (24) below to move relative to each other. When the threaded sleeves (24) move, they will drive the fixed plates (25) fixed on both sides to move in the same direction. The movement of the fixed plates (25) causes the two rotating plates (26) to rotate. The rotation of the rotating plates (26) further pushes the moving plate (27) to move. One side of the moving plate (27) is fixedly connected to the third stabilizing component (103) and the fourth stabilizing component (104) respectively. Therefore, the movement of the moving plate (27) will push the third stabilizing component (103) and the fourth stabilizing component (104) to move. 104) Moving in opposite directions; during this process, both sides of the fixation frame (21) extend into the inner cavity of the compensation groove (22) opened on the opposite side of the stabilizing component three (103) and the stabilizing component four (104), and slide in the compensation groove (22). The fixation frame (21) slides in the inner cavity of the compensation groove (22) to compensate for the movement of the stabilizing component three (103) and the stabilizing component four (104), thereby achieving precise adaptation to the patient's waist length; at the same time, the opposite side of the stabilizing component one (101) and the stabilizing component two (102) are provided with adaptation grooves. In section 1 (7), the inner cavities of the two adapter slots 1 (7) are slidably connected to the adapter block 1 (8); on the opposite side of the stabilizing component 1 (101) and the stabilizing component 4 (104), the two adapter slots 2 (9) are slidably connected to the adapter block 2 (10). Using the same adjustment method, the distance between the stabilizing component 2 (102) and the stabilizing component 3 (103) is adjusted by the distance adjustment component 2 (3) to achieve the adaptation to the width of the patient's waist, ensuring that the stabilizer (1) can fit tightly and comfortably on the patient's body. Step Two: When the patient bends over, the posture sensor (5) located on one side of the stabilizing component three (103) and the stabilizing component four (104) begins to function. It can accurately detect whether the patient is bending to the left or right. If the patient is detected bending to the left, the posture sensor (5) will immediately transmit this information to the controller (6) located inside the cavity of the stabilizing component three (103). After receiving the information, the controller (6) quickly controls the motor (41) to start and drives the motor (41) to rotate counterclockwise. The output shaft is fixedly connected to a transmission component (42). The rotation of the motor (41) drives the tightening roller (43) to rotate through the transmission component (42). The tightening roller (43) gradually unwinds the rope (49), making the rope (49) longer. At the same time, the rotation of the transmission component (42) drives the movable gear (48) meshing with it to rotate. The movable gear (48) drives another movable gear (48) to rotate through the transmission between the groove (414) and the protrusion (413). This causes the transmission component two (45) to rotate. At this time, the transmission component two (45) rotates clockwise, and the transmission component two (45) drives the tightening roller two (46) to rotate clockwise, tightening the rope two (410). At this time, a tug-of-war effect is formed, that is, the left rope one (49) is relaxed and the right rope two (410) is tightened, which corrects the patient's spine and promotes the restoration of the correct posture. Conversely, if the patient is detected to bend to the right, the motor (41) will flip. Through the combined use of the above structure, the right rope two (410) will be tightened. Relax, tighten the left rope one (49), and also achieve the correction of the patient's spine; at the same time, the tension sensor (411) set on the surface of rope one (49) and rope two (410) monitors the traction force of the rope in real time. When the tension sensor (411) detects that the traction force of rope one (49) and rope two (410) is too large, it will feed the information back to the controller (6). The controller (6) controls the motor (41) to drive the transmission component one (42) to rotate, automatically unload the force, and avoid overcorrection from causing harm to the patient; Step 3: When the stabilizing components 3 (103) and stabilizing components 4 (104) move in opposite directions, the transmission rod (412) slides between the two movable gears (48), and the protrusion (413) slides in the inner cavity of the groove (414). This design improves the rationality of the layout of the transmission rod (412), allowing it to move flexibly during device adjustment and ensuring the stability of the transmission. When the movable gear (48) rotates, it will drive the transmission rod (412) to rotate under the transmission of the protrusion (413) and the groove (414). Then, the transmission rod (412) will drive the other movable gear (48) to rotate. This transmission method improves the rationality of the transmission, making the entire correction component (4) more efficient and stable during operation, and better able to achieve dynamic stability support and correction of the patient's spine.