Adjustable spine fixing device
By designing an adjustable spinal fixation device, the problems of existing devices being unable to adjust the spacing and disassemble for cleaning are solved, achieving a flexible and convenient application and cleaning effect.
Patent Information
- Application Number
- CN202423165528.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-22
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-22
AI Technical Summary
Existing spinal fixation devices are one-piece structures, which cannot adjust the distance between the cervical lamina and the spinal lamina according to needs, resulting in poor applicability. They are also inconvenient to disassemble and clean, and easily accumulate sweat stains.
An adjustable spinal fixation device was designed, comprising a fixing plate, an adjusting rod, a locking mechanism, a sliding plate, and Velcro. The spacing can be adjusted through the adjusting rod and the locking mechanism, the sliding plate is easy to install and remove, and the Velcro is easy to wear.
It allows for flexible adjustment of the distance between the spinal and cervical lamina according to the patient's needs, facilitates disassembly and cleaning, and improves the applicability and cleanliness of the device.
Smart Images
Figure CN223887028U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of spinal fixation device technology, specifically an adjustable spinal fixation device. Background Technology
[0002] Spinal surgery is a department specializing in the diagnosis, treatment, and surgery of spinal diseases. It primarily addresses various spinal conditions and injuries, including spinal trauma, degenerative spinal diseases, spinal infections, and spinal tumors. In spinal surgery, fixation devices are used to stabilize the cervical and vertebrae to aid in postoperative recovery.
[0003] Existing spinal fixation devices are typically one-piece structures, making it inconvenient to adjust the spacing between the cervical and spinal lamina as needed. This results in poor applicability. Furthermore, since the cervical and spinal lamina are usually fixed to the device, they are not convenient to disassemble and clean separately. Over time, sweat and other substances easily accumulate on their outer surfaces, further complicating their use. Therefore, we propose an adjustable spinal fixation device. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides an adjustable spinal fixation device. This solves the problems that spinal fixation devices are usually one-piece structures, which make it inconvenient to adjust the distance between the cervical lamina and the spinal lamina according to needs, resulting in poor applicability of the device. In addition, the cervical lamina and the spinal lamina are usually fixed to the device, making it inconvenient to disassemble and clean them separately. As the usage time increases, their outer surface is prone to sweat stains and other problems.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An adjustable spinal fixation device includes a fixation plate, a spinal plate on one side of the fixation plate, and an adjusting rod symmetrically slidably connected inside the fixation plate. The fixation plate also has a locking mechanism that works with the adjusting rod. A cervical plate is located on one side of the adjusting rod. Mounting frames are fixedly connected to the top of the adjusting rod and the bottom of the fixation plate. A sliding plate is slidably connected inside the mounting frames. Insert blocks are equidistantly fixed to one side of the sliding plate and slidably connected to the mounting frames. Mounting blocks are fixedly connected to one side of both the spinal plate and the cervical plate. Slots that mate with the insert blocks are equidistantly formed inside each mounting block. In use, the cervical and spinal plates can fix the patient's cervical and vertebrae. The distance between the spinal and cervical plates can be adjusted by moving the adjusting rod. The locking mechanism locks the position of the adjusting rod. The movement of the sliding plate moves the insert blocks, causing them to enter the slots and thus fixing the position of the mounting blocks. This facilitates the installation, removal, and cleaning of the spinal and cervical plates, making operation convenient.
[0007] Preferably, both the outer side of the spinal plate and the outer side of the cervical plate are provided with protective pads. A first hook and loop fastener is fixedly connected at equal intervals on one side of the spinal plate, and a first loop and loop fastener that cooperates with the first hook and loop fastener is fixedly connected at equal intervals on the side of the spinal plate away from the first hook and loop fastener. A second hook and loop fastener is fixedly connected on one side of the cervical plate, and a second loop and loop fastener that cooperates with the second hook and loop fastener is fixedly connected on the side of the cervical plate away from the second hook and loop fastener. The first hook and loop fasteners facilitate wearing the spinal plate, and the second loop and hook and loop fasteners facilitate wearing the cervical plate.
[0008] Preferably, the locking mechanism includes locking blocks, and the locking blocks are symmetrically slidably connected inside the fixing plate. The adjusting rod has fixing grooves equidistantly opened inside for use with the locking blocks. By moving the locking blocks into the fixing grooves, the position of the adjusting rod can be locked and fixed, which facilitates the adjustment of the distance between the spinal plate and the cervical plate.
[0009] Preferably, the fixed plate is rotatably connected to a rotating shaft inside, and a gear is fixedly connected to the outside of the rotating shaft. A rack that cooperates with the gear is fixedly connected to one side of the locking block. A push block is fixedly connected to the outside of one of the racks. The push block is slidably connected to the fixed plate. The push block drives one of the racks to move, and the rack drives the gear to rotate. The rotation of the gear drives the other rack to move, and the rack drives the locking block to move.
[0010] Preferably, the inner wall of the fixing plate is symmetrically fixedly connected with fixing blocks, and one side of the locking block is fixedly connected with a sliding rod. The sliding rod is slidably connected to the fixing block, and a spring is sleeved on the outer side of the sliding rod and on the side of the locking block. The spring drives the locking block to move and reset. The sliding rod and the fixing block can limit the movement of the locking block and prevent deviation.
[0011] Preferably, the inner wall of the mounting frame is symmetrically fixedly connected with fixing rods, and the sliding plate is slidably connected to the fixing rods. The movement of the sliding plate can be limited by the fixing rods to prevent displacement.
[0012] Preferably, a lead screw is rotatably connected inside the mounting frame, the sliding plate is threadedly connected to the lead screw, and a knob is fixedly connected to one end of the lead screw. The knob drives the lead screw to rotate, and the rotation of the lead screw drives the sliding plate to move.
[0013] This invention provides an adjustable spinal fixation device. Compared with the prior art, it has the following advantages:
[0014] 1. This adjustable spinal fixation device, through the setting of a fixation plate, locking mechanism, adjustment rod and fixation groove, realizes the function of adjusting the distance between the spinal plate and the cervical plate, which makes it convenient to fix the cervical spine and spine of different patients and has better applicability.
[0015] 2. This adjustable spinal fixation device, through the setting of an installation frame, lead screw, fixing rod, sliding plate, insert block, installation block and slot, realizes the function of quick assembly and disassembly of the spinal plate and cervical plate, which facilitates disassembly and cleaning and prevents sweat stains and other substances from affecting use. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a rear view of the present invention;
[0018] Figure 3 This is a schematic diagram of the internal structure of the fixing plate of this utility model;
[0019] Figure 4 This is a schematic diagram of the locking mechanism of this utility model;
[0020] Figure 5 This is a schematic diagram of the installation frame of this utility model;
[0021] Figure 6 This is a schematic diagram of the structure of the cervical vertebral plate of this utility model;
[0022] Figure 7 This is a schematic diagram of the structure of the spinal plate of this utility model.
[0023] In the diagram: 1. Adjusting rod; 2. Locking mechanism; 201. Fixing block; 202. Spring; 203. Locking block; 204. Gear; 205. Rack; 206. Rotating shaft; 207. Slide rod; 208. Push block; 3. First hook and loop fastener; 4. Spine plate; 5. First hook and loop fastener; 6. Second hook and loop fastener; 7. Cervical plate; 8. Second hook and loop fastener; 9. Mounting frame; 10. Fixing plate; 11. Fixing groove; 12. Fixing rod; 13. Lead screw; 14. Sliding plate; 15. Insert block; 16. Mounting block; 17. Slot. Detailed Implementation
[0024] 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.
[0025] Please see Figures 1 to 7 This utility model provides a technical solution:
[0026] An adjustable spinal fixation device includes a fixation plate 10, a spinal plate 4 on one side of the fixation plate 10, and an adjusting rod 1 symmetrically slidably connected inside the fixation plate 10. A locking mechanism 2, which cooperates with the adjusting rod 1, is located inside the fixation plate 10. A cervical plate 7 is located on one side of the adjusting rod 1. Mounting frames 9 are fixedly connected to both the top of the adjusting rod 1 and the bottom of the fixation plate 10. A sliding plate 14 is slidably connected inside the mounting frame 9. Insert blocks 15 are equidistantly fixedly connected to one side of the sliding plate 14 and are slidably connected to the mounting frame 9. Mounting blocks are fixedly connected to one side of the spinal plate 4 and one side of the cervical plate 7. 16. The mounting block 16 has slots 17 equidistantly spaced inside for use with the insert block 15. In use, the cervical vertebrae and spine of the patient can be fixed by the cervical plate 7 and the spinal plate 4. The distance between the spinal plate 4 and the cervical plate 7 can be adjusted by moving the adjusting rod 1. The position of the adjusting rod 1 can be locked by the locking mechanism 2. The movement of the sliding plate 14 drives the insert block 15 to move, so that the insert block 15 enters the interior of the slot 17, thereby fixing the position of the mounting block 16. This facilitates the installation, disassembly and cleaning of the spinal plate 4 and the cervical plate 7, making the operation convenient.
[0027] Furthermore, protective pads are provided on the outer sides of both the spinal plate 4 and the cervical plate 7. A first hook and loop fastener 3 is fixedly connected at equal intervals on one side of the spinal plate 4, and a first hook and loop fastener 5 that works in conjunction with the first hook and loop fastener 3 is fixedly connected at equal intervals on the side of the spinal plate 4 away from the first hook and loop fastener 3. A second hook and loop fastener 8 is fixedly connected on one side of the cervical plate 7, and a second hook and loop fastener 6 that works in conjunction with the second hook and loop fastener 8 is fixedly connected on the side of the cervical plate 7 away from the second hook and loop fastener 8. The first hook and loop fastener 3 and the first hook and loop fastener 5 facilitate the wearing of the spinal plate 4, and the second hook and loop fastener 6 and the second hook and loop fastener 8 facilitate the wearing of the cervical plate 7.
[0028] Furthermore, the locking mechanism 2 includes a locking block 203. The locking block 203 is symmetrically slidably connected inside the fixing plate 10. The adjusting rod 1 has a fixing groove 11 that is equidistantly opened inside to cooperate with the locking block 203. By moving the locking block 203 into the fixing groove 11, the position of the adjusting rod 1 can be locked and fixed, which facilitates the adjustment of the distance between the spinal plate 4 and the cervical plate 7.
[0029] Furthermore, a rotating shaft 206 is rotatably connected inside the fixed plate 10, and a gear 204 is fixedly connected to the outside of the rotating shaft 206. A rack 205 that works with the gear 204 is fixedly connected to one side of the locking block 203. A push block 208 is fixedly connected to the outside of one of the racks 205. The push block 208 is slidably connected to the fixed plate 10. The push block 208 drives one of the racks 205 to move, and one of the racks 205 drives the gear 204 to rotate. The rotation of the gear 204 drives the other rack 205 to move, and the rack 205 drives the locking block 203 to move.
[0030] Furthermore, a fixing block 201 is symmetrically fixedly connected to the inner wall of the fixing plate 10, and a sliding rod 207 is fixedly connected to one side of the locking block 203. The sliding rod 207 is slidably connected to the fixing block 201. A spring 202 is sleeved on the outer side of the sliding rod 207 and on the side of the locking block 203. The locking block 203 is moved and reset by the spring 202. The sliding rod 207 and the fixing block 201 can limit the movement of the locking block 203 and prevent it from deviating.
[0031] Furthermore, the inner wall of the mounting frame 9 is symmetrically fixed with fixing rods 12, and the sliding plate 14 is slidably connected to the fixing rods 12. The fixing rods 12 can limit the movement of the sliding plate 14 to prevent displacement.
[0032] Furthermore, a lead screw 13 is rotatably connected inside the mounting frame 9, and a sliding plate 14 is threadedly connected to the lead screw 13. A knob is fixedly connected to one end of the lead screw 13. The knob drives the lead screw 13 to rotate, and the rotation of the lead screw 13 drives the sliding plate 14 to move.
[0033] Working principle:
[0034] In use, the spinal plate 4 can be worn through the first hook side 3 and the first hook side 5, and the cervical plate 7 can be worn through the second hook side 6 and the second hook side 8. The cervical plate 7 and spinal plate 4 can fix the patient's cervical and vertebrae. When the distance between the spinal plate 4 and the cervical plate 7 needs to be adjusted, the push block 208 is pushed. The push block 208 moves one of the racks 205, which in turn rotates the gear 204. The rotation of the gear 204 moves the other rack 205, which in turn moves the locking block 203, causing the locking block 203 to disengage from the fixing groove 11. The spring 202... The compression pulls the cervical lamina 7, thereby adjusting the distance between the cervical lamina 7 and the spinal lamina 4. After adjustment, the push block 208 is released, and the spring 202 moves and resets the locking block 203 due to its elasticity, so that the locking block 203 moves into the corresponding fixed groove 11, thereby fixing the position of the adjusting rod 1 and completing the adjustment. When the spinal lamina 4 or cervical lamina 7 needs to be disassembled and cleaned, the screw 13 is rotated, and the rotation of the screw 13 drives the sliding plate 14 to move. The movement of the sliding plate 14 can be limited by the setting of the fixed rod 12. The sliding plate 14 drives the insert block 15 to move and disengage from the slot 17, so that the spinal lamina 4 or cervical lamina 7 can be removed for cleaning. The operation is convenient.
[0035] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0037] 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 fixation device, comprising a fixation plate (10), characterized in that: A spinal plate (4) is provided on one side of the fixed plate (10). An adjusting rod (1) is symmetrically slidably connected inside the fixed plate (10). A locking mechanism (2) that works with the adjusting rod (1) is provided inside the fixed plate (10). A cervical plate (7) is provided on one side of the adjusting rod (1). An installation frame (9) is fixedly connected to the top of the adjusting rod (1) and the bottom of the fixed plate (10). A sliding plate (14) is slidably connected inside the installation frame (9). An insert (15) is fixedly connected at equal intervals on one side of the sliding plate (14). The insert (15) is slidably connected to the installation frame (9). An installation block (16) is fixedly connected to one side of the spinal plate (4) and one side of the cervical plate (7). A slot (17) that works with the insert (15) is opened at equal intervals inside the installation block (16).
2. The adjustable spinal fixation device according to claim 1, characterized in that: Protective pads are provided on the outer side of the spinal plate (4) and the outer side of the cervical plate (7). A first hook and loop fastener (3) is fixedly connected at equal intervals on one side of the spinal plate (4). A first hook and loop fastener (5) that works with the first hook and loop fastener (3) is fixedly connected at equal intervals on the side of the spinal plate (4) away from the first hook and loop fastener (3). A second hook and loop fastener (8) is fixedly connected on one side of the cervical plate (7). A second hook and loop fastener (6) that works with the second hook and loop fastener (8) is fixedly connected on the side of the cervical plate (7) away from the second hook and loop fastener (8).
3. The adjustable spinal fixation device according to claim 1, characterized in that: The locking mechanism (2) includes a locking block (203). The locking block (203) is symmetrically slidably connected inside the fixing plate (10). The adjusting rod (1) has a fixing groove (11) that cooperates with the locking block (203) at equal intervals inside.
4. An adjustable spinal fixation device according to claim 3, characterized in that: The fixed plate (10) is rotatably connected to a rotating shaft (206), and a gear (204) is fixedly connected to the outside of the rotating shaft (206). A rack (205) that cooperates with the gear (204) is fixedly connected to one side of the locking block (203). A push block (208) is fixedly connected to the outside of one of the racks (205), and the push block (208) is slidably connected to the fixed plate (10).
5. An adjustable spinal fixation device according to claim 3, characterized in that: The inner wall of the fixing plate (10) is symmetrically fixed with fixing blocks (201), and a sliding rod (207) is fixedly connected to one side of the locking block (203). The sliding rod (207) is slidably connected to the fixing block (201), and a spring (202) is sleeved on the outside of the sliding rod (207) and on one side of the locking block (203).
6. An adjustable spinal fixation device according to claim 1, characterized in that: The inner wall of the mounting frame (9) is symmetrically fixed with fixing rods (12), and the sliding plate (14) is slidably connected to the fixing rods (12).
7. An adjustable spinal fixation device according to claim 1, characterized in that: The mounting frame (9) is rotatably connected to a lead screw (13), the sliding plate (14) is threadedly connected to the lead screw (13), and a knob is fixedly connected to one end of the lead screw (13).