Adjustable fixing frame for spine centrum
By designing an adjustable spinal fixation frame, the problem of the inability to accurately observe and adjust the spine in existing technologies has been solved. This enables precise fixation of the spine and intuitive observation and adjustment of rehabilitation training, adapting to different patient body types and avoiding skin abrasions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE SECOND AFFILIATED HOSPITAL OF INNER MONGOLIA MEDICAL UNIV (INNER MONGOLIA ORTHOPEDIC RES INST)
- Filing Date
- 2025-01-10
- Publication Date
- 2026-04-17
AI Technical Summary
Existing spinal vertebral fixation devices cannot be precisely observed and adjusted, and the location of lesions in each segment of the spine cannot be accurately located, making it difficult for medical staff to observe and provide rehabilitation guidance.
An adjustable spinal fixation frame was designed, comprising a lower fixation block, an upper fixation block, an adjustable spinal plate, an upper connecting plate, and a lower connecting plate. Through structures such as pin locking, limit pins, airbag adjustment, and tension strap binding, the frame achieves precise fixation and adjustment of the spine.
It enables precise fixation and adjustment of the spinal vertebrae, allowing medical staff to visually observe spinal curvature, accurately adjust rehabilitation training, adapt to different patient body types, and avoid skin abrasions.
Smart Images

Figure CN224126131U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, specifically to an adjustable spinal vertebral fixation frame. Background Technology
[0002] In my country, spinal diseases are mostly classified under a branch of orthopedics—spinal surgery. Spinal surgeons are dedicated to the field of spinal neurosurgery. In many large spinal surgery centers, the number of surgeries for spinal cord diseases accounts for more than 40-60% of the total number of surgeries. With the advancement of medical technology, surgery involving the complete removal and repositioning of diseased or deformed vertebrae has been implemented in clinical practice.
[0003] As disclosed in Publication No. CN221932297U, an orthopedic vertebral repositioning device includes a fixing block, a fixing frame fixedly mounted above the fixing block, a fixing belt fixedly mounted on both sides of the fixing block, a tightening strap fixedly mounted on one side of the fixing belt, a fixing frame fixedly mounted above the fixing block, a support frame fixedly mounted above the fixing frame, a movable block fixedly mounted inside the support frame, a protective frame fixedly mounted on one side of the movable block, and opening and closing plates fixedly mounted on both sides of the protective frame. This device fixes the position of the patient's vertebral body by fixing the waist belt and the protective frame, thereby helping the patient recover by fixing the spine of the patient undergoing vertebral repositioning and preventing vertebral displacement during activity after vertebral repositioning surgery. It also facilitates medical staff to observe the patient's recovery and provide rehabilitation guidance.
[0004] However, the aforementioned repositioning device cannot accurately observe and adjust each segment of the spine because the vertebral body is a multi-segment structure. This makes it impossible for medical personnel to accurately observe and adjust the location of the lesion. Therefore, it is necessary to propose an adjustable fixation frame for the vertebral body. Utility Model Content
[0005] In view of the problems existing in the prior art, this utility model provides an adjustable spinal vertebral fixation frame.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] An adjustable spinal vertebral fixation frame includes: a lower fixation block and an upper fixation block, wherein a plurality of adjustable spinal plates are disposed between the upper fixation block and the lower fixation block;
[0008] The upper connecting plate is installed at the bottom of the upper fixing block and can be connected to the adjustable spine plate via a rotating shaft;
[0009] The lower connecting plate can be installed inside the lower fixing block and can be connected to the adjusting spinal plate.
[0010] The aforementioned adjustable spinal vertebral fixation frame has slots at the bottom of the upper fixation block and at the top of the lower fixation block.
[0011] A latch, which can move within the lower fixing block and the upper fixing block.
[0012] A plug-in block is fixedly connected to the top of the upper connecting plate and can be plugged into the inside of the slot;
[0013] The insertion hole is located inside the insertion block. The pin can pass through the lower fixing block and the upper fixing block and be inserted into the insertion hole to limit the upper fixing block and the lower fixing block.
[0014] The aforementioned adjustable spinal vertebral fixation frame has a movable groove on the right side of the adjustable spinal plate.
[0015] A lifting plate, which can move inside the movable slot;
[0016] A limiting hole is provided on the surface of the lifting plate;
[0017] The mounting slot is located at the bottom of the adjustable spine plate, and the lifting plate is mounted inside the mounting slot via a pivot.
[0018] A limiting pin is inserted into the surface of the adjusting spine plate and can be inserted into the limiting hole to lock the position of the lifting plate.
[0019] In the aforementioned adjustable spinal vertebral fixation frame, a limiting toothed ring is fixedly connected to the front of the adjustable spinal plate;
[0020] The threaded sleeve is fixedly connected to the front of the adjusting spine plate and located inside the limiting toothed ring;
[0021] A ruler, which is fixedly connected to the surface of the spinal adjustment plate, can display the angle of bending of the spinal adjustment plate.
[0022] The aforementioned adjustable spinal vertebral fixation frame includes a mounting bracket fixedly connected to the side of the lifting plate.
[0023] A limiting toothed sleeve, which can move inside the mounting bracket;
[0024] The pointer is fixedly connected to the limiting tooth sleeve, and the pointer points to the scale, which can more intuitively indicate the direction of adjusting the bending angle of the spinal plate;
[0025] An adjusting screw, which is threadedly connected to a mounting threaded sleeve;
[0026] A compression spring is sleeved on the surface of the adjusting screw and connected to a limiting tooth sleeve, which is used to ensure that the limiting tooth sleeve is always in contact with the limiting tooth ring.
[0027] The aforementioned adjustable spinal vertebral fixation frame includes a lumbar support belt installed on the surfaces of the upper fixation block, lower fixation block, upper connecting plate, lower connecting plate, and adjustable spinal plate.
[0028] A compression strap, which is fixedly connected to a waist belt, is used to bind the patient.
[0029] The aforementioned adjustable spinal vertebral fixation frame includes airbags installed on the right side of the upper connecting plate, lower connecting plate, adjusting spinal plate, and lifting plate, for adjusting the patient's spinal vertebral body.
[0030] An inflation head, which is connected to the airbag.
[0031] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0032] 1. This utility model comprises a lower fixing block, an upper fixing block, an adjustable spinal plate, and an upper connecting plate. The cooperation between these components creates an adjustable spinal vertebral fixation frame. The upper and lower connecting plates are inserted into the upper and lower fixing blocks and locked by pins. A strap is used to secure the frame to the patient. After adjusting the angles of the different adjustable spinal plates, the adjusting screws are tightened to maximize the compression of the compression springs, locking the limiting tooth sleeve onto the surface of the limiting tooth ring to prevent further changes in the angle of the adjustable spinal plates. By observing the angle of the pointer on the scale, medical staff can more intuitively observe the bending of the patient's spinal vertebrae, allowing for a more direct assessment of the patient's condition and more precise adjustments to subsequent rehabilitation training.
[0033] 2. In this utility model, pulling the lifting plate can make corresponding adjustments according to the spinal length of different patients. After the adjustment is completed, the limiting pin is inserted into the limiting hole to lock the height of the lifting plate, so that the adjustable spinal plate can fit more closely to the patient's spine.
[0034] 3. In this utility model, the tightening strap can be adjusted according to the patient's different body shape, ensuring the stability of the binding.
[0035] 4. In this utility model, the airbag is designed so that the upper connecting plate, lower connecting plate, lifting plate and adjusting spinal plate can fit the patient more closely and will not abrade the patient's skin. Attached Figure Description
[0036] Figure 1 This is a structural cross-sectional view of the main view of this utility model;
[0037] Figure 2 This is a structural schematic diagram of the main view of this utility model;
[0038] Figure 3 This is an assembly drawing of the adjustable spinal plate of this utility model.
[0039] In the picture:
[0040] 1. Lower fixing block, 2. Upper fixing block, 3. Adjustable spinal plate, 4. Upper connecting plate, 5. Lower connecting plate, 6. Slot, 7. Pin, 8. Connecting block, 9. Connecting hole, 10. Movable slot, 11. Lifting plate, 12. Limiting hole, 13. Mounting slot, 14. Limiting pin, 15. Limiting toothed ring, 16. Mounting threaded sleeve, 17. Ruler, 18. Mounting bracket, 19. Limiting toothed sleeve, 20. Pointer, 21. Adjusting screw, 22. Compression spring, 23. Fixing waist belt, 24. Tightening belt, 25. Airbag, 26. Inflation head. Detailed Implementation
[0041] 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.
[0042] like Figure 1-3 As shown, this utility model proposes an embodiment of an adjustable spinal vertebral fixation frame, comprising: a lower fixation block 1 and an upper fixation block 2, wherein a plurality of adjustable spinal plates 3 are disposed between the upper fixation block 1 and the lower fixation block 2.
[0043] The upper connecting plate 4 is installed at the bottom of the upper fixing block 2 and can be connected to the adjusting spinal plate 3 via a rotating shaft.
[0044] The lower connecting plate 5 can be installed inside the lower fixing block 1 and can be connected to the adjusting spine plate 3. The bottom of the upper fixing block 2 and the top of the lower fixing block 2 are provided with slots 6.
[0045] Pin 7 can move inside the lower fixing block 1 and the upper fixing block 2.
[0046] The plug-in block 8 is fixedly connected to the top of the upper connecting plate 4 and the bottom of the lower connecting plate 5. The plug-in block 8 can be inserted into the slot 6.
[0047] The insertion hole 9 is located inside the insertion block 8. The pin 7 can pass through the lower fixing block 1 and the upper fixing block 2 and be inserted into the insertion hole 9 to limit the upper fixing block 2 and the lower fixing block 1. The upper connecting plate 4 and the lower connecting plate 5 are inserted into the upper fixing block 2 and the lower fixing block 1 and are locked by the pin 7.
[0048] In this embodiment, the right side of the adjustable spine plate 3 is provided with a movable groove 10.
[0049] The lifting plate 11 can move inside the movable slot 10.
[0050] Limiting hole 12 is formed on the surface of lifting plate 11.
[0051] Mounting slot 13 is located at the bottom of the adjustable spine plate 3, and lifting plate 11 is mounted inside mounting slot 13 via a pivot.
[0052] The limiting pin 14 is inserted into the surface of the adjustable spinal plate 3 and can be inserted into the limiting hole 12 to lock the position of the lifting plate 11. It can be adjusted according to the spinal length of different patients. After the adjustment is completed, the limiting pin 14 is inserted into the limiting hole 12 to lock the height of the lifting plate 11, so that the adjustable spinal plate 3 can fit more closely to the patient's spine.
[0053] In this embodiment, a limiting toothed ring 15 is fixedly connected to the front of the adjusting spinal plate 3.
[0054] Install threaded sleeve 16, which is fixedly connected to the front of the adjusting spine plate 3 and located inside the limiting toothed ring 15.
[0055] A scale 17 is fixedly connected to the surface of the adjustable spine plate 3, which can display the bending angle of the adjustable spine plate 3. A mounting bracket 18 is fixedly connected to the side of the lifting plate 11.
[0056] The limiting tooth sleeve 19 can move inside the mounting bracket 18. The limiting tooth sleeve 19 is in contact with the limiting tooth ring 15. When the spinal plate 3 is rotated, the limiting tooth sleeve 19 can move on the surface of the adjusting screw 21 under the action of the compression spring 22. The limiting tooth sleeve 19 will not hinder the adjustment of the angle of the spinal plate 3.
[0057] Pointer 20 is fixedly connected to the limiting tooth sleeve 19. Pointer 20 points to the scale 17, which can more intuitively indicate the bending angle of the spinal plate 3.
[0058] Adjusting screw 21 is threadedly connected to mounting threaded sleeve 16.
[0059] A compression spring 22 is fitted onto the surface of the adjusting screw 21 and connected to the limiting tooth sleeve 19. This ensures that the limiting tooth sleeve 19 is always in contact with the limiting tooth ring 15. After the angle between different adjustable spinal plates 3 is adjusted, the adjusting screw 21 is tightened so that the compression spring 22 is in the maximum compression state, locking the limiting tooth sleeve 18 onto the surface of the limiting tooth ring 15 to prevent the angle of the adjustable spinal plate 3 from changing again. By observing the angle of the pointer 20 pointing to the scale 17, medical staff can more intuitively observe the bending of the patient's spinal vertebrae, so that they can make a more intuitive judgment on the patient's condition and make more precise adjustments to subsequent rehabilitation training.
[0060] In this embodiment, a waist belt 23 is installed on the surface of the upper fixing block 2, the lower fixing block 1, the upper connecting plate 4, the lower connecting plate 5 and the adjusting spine plate 3.
[0061] The tightening strap 24 is fixedly connected to the waist belt 23 and is used to bind the patient. It can be adjusted according to the patient's body type to ensure the stability of the binding.
[0062] In this embodiment, airbags 25 are installed on the right side of the upper connecting plate 4, the lower connecting plate 5, the adjusting spinal plate 3, and the lifting plate 11, for adjusting the patient's spinal vertebrae.
[0063] The inflation head 26 is connected to the air bag 25. Inflating the air bag 25 allows the upper connecting plate 4, lower connecting plate 5, lifting plate 11 and adjusting spinal plate 3 to fit the patient better without chafing the patient's skin.
[0064] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.
[0065] This utility model provides an adjustable spinal fixation frame. In use, the tightening strap 24 is tied to the patient's body, and the lifting plate 11 is pulled to adjust the height according to the length of the patient's spine. After adjustment, the limiting pin 14 is inserted into the limiting hole 12 to lock the height of the lifting plate 11, so that the adjustable spinal plate 3 can fit more closely to the patient's spine. After the angle between different adjustable spinal plates 3 is adjusted, the adjusting screw 21 is tightened so that the compression spring 22 is in the maximum compression state, and the limiting tooth sleeve 18 is locked on the surface of the limiting tooth ring 15 to prevent the angle of the adjustable spinal plate 3 from changing again. By observing the angle of the pointer 20 pointing to the scale 17, medical staff can more intuitively observe the bending of the patient's spinal vertebrae. The air inflator 26 inflates the air bag 25, so that the air bag 25 fits more closely to the patient's body.
[0066] In summary, this adjustable spinal fixation frame, through the cooperation of the lower fixation block 1, the upper fixation block 2, the adjustable spinal plate 3, the upper connecting plate 4, and the lower connecting plate 5, solves the problems mentioned in the background art.
[0067] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An adjustable spinal vertebral body fixation frame comprising: The lower fixing block (1) and the upper fixing block (2) are characterized in that: a plurality of adjustable spinal plates (3) are provided between the upper fixing block (2) and the lower fixing block (1); The upper connecting plate (4) is installed at the bottom of the upper fixing block (2) and can be connected to the adjusting spinal plate (3) via a rotating shaft; The lower connecting plate (5) can be installed inside the lower fixing block (1) and can be connected to the adjusting spinal plate (3).
2. An adjustable spinal vertebral body fixation frame as in claim 1, wherein: The bottom of the upper fixing block (2) and the top of the lower fixing block (1) are provided with slots (6); A latch (7) is movable within the lower fixing block (1) and the upper fixing block (2). A plug-in block (8) is fixedly connected to the top of the upper connecting plate (4) and the bottom of the lower connecting plate (5); The insertion hole (9) is located inside the insertion block (8).
3. An adjustable spinal vertebral body fixation frame as in Claim 2, wherein: The right side of the adjustable spine plate (3) is provided with a movable groove (10); A lifting plate (11) is movable inside the movable slot (10); A limiting hole (12) is provided on the surface of the lifting plate (11); The mounting slot (13) is located at the bottom of the adjustable spine plate (3), and the lifting plate (11) is installed inside the mounting slot (13) via a pivot. A limiting pin (14) is inserted into the surface of the adjusting spine plate (3) and can be inserted into the inside of the limiting hole (12).
4. An adjustable spinal vertebral body fixation frame as in claim 3, wherein: The front of the adjustable spinal plate (3) is fixedly connected to a limiting toothed ring (15); The threaded sleeve (16) is fixedly connected to the front of the adjusting spine plate (3) and located inside the limiting toothed ring (15); A scale (17) is fixedly connected to the surface of the adjusting spine plate (3).
5. An adjustable spinal vertebral body fixation frame as in claim 4, wherein: The side of the lifting plate (11) is fixedly connected to a mounting bracket (18); A limiting toothed sleeve (19) is movable inside the mounting bracket (18); Pointer (20), which is fixedly connected to the limiting tooth sleeve (19); Adjusting screw (21), which is threadedly connected to mounting threaded sleeve (16); A compression spring (22) is sleeved on the surface of the adjusting screw (21) and connected to the limiting tooth sleeve (19).
6. An adjustable spinal vertebral body fixation frame as in claim 5, wherein: The upper fixing block (2), lower fixing block (1), upper connecting plate (4), lower connecting plate (5) and the surface of the adjusting spine plate (3) are all equipped with fixing belts (23); A tightening strap (24) is fixedly connected to a waist belt (23).
7. An adjustable spinal vertebral body fixation frame as in claim 6, wherein: Airbags (25) are installed on the right side of the upper connecting plate (4), lower connecting plate (5), adjusting spine plate (3) and lifting plate (11); An inflation head (26) is connected to an airbag (25).
Citation Information
Patent Citations
Vertebral body reduction device for orthopedics department
CN221932297U