Synchronous double-rod spine bending rod forceps for medical treatment
By designing synchronous double-rod spinal curved rod pliers with adjustable angles and increasing the applied force, the problem of adjusting spinal angles in the prior art requires more force and accuracy, and improves the accuracy and success rate of the surgery.
Patent Information
- Application Number
- CN202420881660.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing synchronous double-rod spinal curved rod pliers require more strength and accuracy when adjusting the spinal angle, and the metal rod angle cannot be adjusted, resulting in unsatisfactory correction results or new problems arise during the patient's growth.
A synchronous double-rod spinal curved rod pliers including right arm, left arm, bolt and after-loading rod are designed to adjust the angle of the front and rear fixing rings and use limit bolts to adjust the angle of the metal rod angle, and increase the magnitude of the applied force through the after-loading rod.
Reduces the strength and accuracy required when adjusting the spinal angle, ensures adjustability of the metal rod angle, improves the accuracy and safety of the surgery, and ultimately improves the correction effect and success rate of surgical results.
Smart Images

Figure CN222657160U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical instruments, in particular to a synchronous double-rod spinal bending rod forceps used for medical treatment. Background Art
[0002] The Synchronous Double-Rod Spinal Bending Rod Forceps is a surgical tool used to treat scoliosis (spondylolisthesis). It is commonly used in scoliosis correction surgery. It uses a double-rod system to achieve three-dimensional stabilization of the spine, provides strong support through titanium alloy materials, and combines advanced image navigation technology to ensure surgical accuracy and safety. It can more accurately correct the patient's spinal curvature, alleviate symptoms and improve surgical results.
[0003] The synchronized double-rod spinal bending forceps is an instrument used to treat scoliosis. It is mainly made of metal. During use, it may require more force and precision to adjust the spinal angle. In addition, since the angle of the metal rod cannot be adjusted, the doctor needs to rely on experience and feeling to make adjustments, which may result in unsatisfactory correction results or new problems during the patient's growth process. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a synchronous double-rod spinal rod bending forceps for medical use, aiming to improve the problem that the synchronous double-rod spinal rod bending forceps need more force when treating scoliosis and the angle of the metal rod cannot be adjusted.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a synchronous double-rod spinal bending rod pliers for medical treatment, comprising a right lever arm, a left lever arm, a first bolt, a second bolt, and a third bolt, wherein the upper left side of the right lever arm is fixedly connected with a second connecting block, the upper right side of the left lever arm is fixedly connected with the first connecting block, the second bolt sequentially penetrates the front fixing ring, the first connecting block, the second connecting block and the rear fixing ring and is threadedly connected with the second nut, the first bolt sequentially penetrates the front right concave wheel, the upper part of the right lever arm, the rear right concave wheel and is threadedly connected with the first nut, the third bolt sequentially penetrates the front left concave wheel, the upper part of the left lever arm, the rear left concave wheel and is threadedly connected with the third nut, the bottom of the right lever arm is provided with a groove which is threadedly connected with the bottom of the right force rod, and the bottom of the left lever arm is provided with a groove which is threadedly connected with the bottom of the left force rod.
[0006] Furthermore, a limiting bolt is threadedly connected to the upper side of the right portion of the right lever arm.
[0007] Furthermore, a right anti-slip rope and a left anti-slip rope are respectively arranged at the lower middle sides of the right lever arm and the left lever arm.
[0008] Furthermore, the exteriors of the front fixing ring and the rear fixing ring are provided with three different angles.
[0009] Furthermore, the heads of the first bolt, the second bolt, the third bolt and the corresponding first nut, the second nut, the third nut are provided with hexagon sockets.
[0010] Furthermore, the bottoms of the left and right energizing rods are provided with hexagon sockets.
[0011] Furthermore, the left end of the limiting bolt contacts the upper side of the right portion of the left lever arm.
[0012] Furthermore, the limiting bolt passes through the right lever arm.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, the right force rod and the left force rod are placed in the right force arm and the left force arm, and their function changes the magnitude of the applied force. When more force is needed, the length of the lever can be increased by unscrewing the right force rod and the left force rod and pulling them out, and then, they are reversely screwed into the bottom of the right force arm and the left force arm to achieve the extension of the force arm to adapt to different needs.
[0015] 2. In the utility model, the angle of the metal rod can be adjusted by adjusting the external angles of the front and rear fixing rings, and then the limit bolts are used to limit its movement range, thereby ensuring that the metal rod will not accidentally move its angle during use, effectively reducing surgical risks and ensuring the smooth progress of the operation, and ultimately improving the success rate of the surgical results. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is the overall structural diagram of the synchronous double-rod spinal rod bending forceps for medical treatment proposed by the utility model;
[0017] Figure 2 This is an expanded view of the synchronous double-rod spinal bending rod forceps for medical treatment proposed by the utility model;
[0018] Figure 3 This is an overall disassembled diagram of the synchronous double-rod spinal bending rod forceps for medical treatment proposed by the utility model.
[0019] Legend:
[0020] 1. Right lever arm; 2. Left anti-skid rope; 3. Limit bolt; 4. Rear right concave wheel; 5. Rear left concave wheel; 6. Front fixing ring; 7. Left booster rod; 8. Right booster rod; 9. Right anti-skid rope; 10. Left lever arm; 11. First bolt; 12. Second bolt; 13. Third bolt; 14. First nut; 15. Second nut; 16. Third nut; 17. First connecting block; 18. Second connecting block; 19. Front left concave wheel; 20. Front right concave wheel; 21. Rear fixing ring. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Reference Figure 1-Figure 3 The utility model provides an embodiment of a synchronous double-rod spinal bending rod pliers for medical treatment, comprising a right lever arm 1, a left lever arm 10, a first bolt 11, a second bolt 12, and a third bolt 13. The upper left side of the right lever arm 1 is fixedly connected with a second connecting block 18, and the upper right side of the left lever arm 10 is fixedly connected with a first connecting block 17. The second bolt 12 sequentially penetrates the front fixing ring 6, the first connecting block 17, the second connecting block 18 and the rear fixing ring 21 and is threadedly connected with the second nut 15. The first bolt 11 sequentially penetrates the front right concave wheel 20, the upper part of the right lever arm 1, the rear right concave wheel 4 and is threadedly connected with the first nut 14. The third bolt 13 sequentially penetrates the front left concave wheel 19, the upper part of the left lever arm 10, the rear left concave wheel 5 and is threadedly connected with the third nut 16. The bottom of the right lever arm 1 is provided with a groove threadedly connected with the bottom of the right force rod 8, and the bottom of the left lever arm 10 is provided with a groove threadedly connected with the bottom of the left force rod 7.
[0023] A second connecting block 18 is fixedly connected to the upper left side of the right lever arm 1, and a first connecting block 17 is fixedly connected to the upper right side of the left lever arm 10 to ensure that they maintain stable and coordinated movement during use. The second bolt 12 sequentially penetrates the front fixing ring 6, the first connecting block 17, the second connecting block 18 and the rear fixing ring 21 and is threadedly connected to the second nut 15. The first bolt 11 sequentially penetrates the front right concave wheel 20, the upper part of the right lever arm 1, the rear right concave wheel 4 and is threadedly connected to the first nut 14. The third bolt 13 sequentially penetrates the front left concave wheel 19, the upper part of the left lever arm 10, the rear left concave wheel 5 and is threadedly connected to the third nut 16 for fixing or adjusting their positions. A groove is provided at the bottom of the right lever arm 1 for threaded connection to the bottom of the right boost rod 8. A groove is provided at the bottom of the left lever arm 10 for threaded connection to the bottom of the left boost rod 7, which can be conveniently collected and pulled out when in use.
[0024] The upper right side of the right lever arm 1 is threadedly connected with a limiting bolt 3, and the lower middle sides of the right lever arm 1 and the left lever arm 10 are respectively provided with a right anti-slip rope 9 and a left anti-slip rope 2, the outside of the front fixing ring 6 and the rear fixing ring 21 are provided with three different angles, the heads of the first bolt 11, the second bolt 12, the third bolt 13 and the corresponding first nut 14, the second nut 15, and the third nut 16 are provided with hexagon sockets, the bottoms of the left force rod 7 and the right force rod 8 are provided with hexagon sockets, the left end of the limiting bolt 3 contacts the upper right side of the left lever arm 10, and the limiting bolt 3 passes through the right lever arm 1.
[0025] The right lever 1 is threadedly connected with a limiting bolt 3 on the upper right side to limit its range of movement. The right lever 1 and the left lever 10 are respectively provided with a right anti-slip rope 9 and a left anti-slip rope 2 on the lower middle side. In order to prevent hand slippage during use, the front fixing ring 6 and the rear fixing ring 21 are provided with three different angles on the outside for adjusting the angle of the metal rod. The heads of the first bolt 11, the second bolt 12, the third bolt 13 and the corresponding first nut 14, the second nut 15 and the third nut 16 are provided with hexagon sockets, and the bottoms of the left force rod 7 and the right force rod 8 are provided with hexagon sockets, which are uniformly provided for easy disassembly.
[0026] Working principle: through the second connecting block 18 of the right lever 1 and the first connecting block 17 of the left lever 10, the second bolt 12 sequentially penetrates the front fixing ring 6, the first connecting block 17, the second connecting block 18 and the rear fixing ring 21 and is connected with the second nut 15, the first bolt 11 sequentially penetrates the front right concave wheel 20, the upper part of the right lever 1, the rear right concave wheel 4 and is connected with the first nut 14, the third bolt 13 sequentially penetrates the front left concave wheel 19, the upper part of the left lever 10, the rear left concave wheel 5 and is connected with the third nut 16, ensuring that they maintain stable and coordinated movement during use, fixing or adjusting their positions, a right force rod 8 is provided inside the right lever 1, and a left force rod 7 is provided inside the left lever 10, which can be easily collected and pulled out when in use, the right lever 1 is provided with a limiting bolt 3, which can limit its range of movement, the right lever 1 and the left lever 10 are provided with a right anti-slip rope 9 and a left anti-slip rope 2 to prevent hands from slipping during use.
[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A synchronous double-rod spinal bending forceps for medical use, comprising a right lever arm (1), a left lever arm (10), a first bolt (11), a second bolt (12), and a third bolt (13), characterized in that: The left upper side of the right lever arm (1) is fixedly connected with a second connection block (18); the right upper side of the left lever arm (10) is fixedly connected with a first connection block (17); the second bolt (12) sequentially penetrates the front fixing ring (6), the first connection block (17), the second connection block (18) and the rear fixing ring (21) and is threadedly connected with the second nut (15); the first bolt (11) sequentially penetrates the front right concave wheel (20), the upper part of the right lever arm (1), the rear right concave wheel (4) and is threadedly connected with the first nut (14); the third bolt (13) sequentially penetrates the front left concave wheel (19), the upper part of the left lever arm (10), the rear left concave wheel (5) and is threadedly connected with the third nut (16); the bottom of the right lever arm (1) is provided with a groove and is threadedly connected with the bottom of the right boost rod (8); the bottom of the left lever arm (10) is provided with a groove and is threadedly connected with the bottom of the left boost rod (7).
2. The synchronous double-rod spinal rod bending forceps for medical use according to claim 1, characterized in that: The upper right side of the right lever arm (1) is threadedly connected with a limiting bolt (3).
3. The synchronous double-rod spinal rod bending forceps for medical use according to claim 1, characterized in that: A right anti-skid rope (9) and a left anti-skid rope (2) are respectively arranged at the lower middle sides of the right lever arm (1) and the left lever arm (10).
4. The synchronous double-rod spinal rod bending forceps for medical use according to claim 1, characterized in that: The exteriors of the front fixing ring (6) and the rear fixing ring (21) are arranged with three different angles.
5. The synchronous double-rod spinal rod bending forceps for medical use according to claim 1, characterized in that: The heads of the first bolt (11), the second bolt (12), the third bolt (13) and the corresponding first nut (14), the second nut (15), the third nut (16) are provided with hexagon sockets.
6. The synchronous double-rod spinal rod bending forceps for medical use according to claim 1, characterized in that: The bottoms of the left energizing rod (7) and the right energizing rod (8) are provided with hexagon sockets.
7. The synchronous double-rod spinal rod bending forceps for medical use according to claim 2, characterized in that: The left end of the limiting bolt (3) contacts the upper side of the right portion of the left lever arm (10).
8. The synchronous double-rod spinal rod bending forceps for medical use according to claim 2, characterized in that: The limiting bolt (3) passes through the right lever arm (1).