Fixing plate for orthopedics department

By designing an orthopedic fixation plate with side plates and inserts featuring waist-shaped holes, the problem of insufficient adaptability in existing technologies has been solved, achieving more efficient patient bone fixation and improving flexibility and stability in use.

CN223817632UActive Publication Date: 2026-01-23NANJING GENERAL HOSPITAL NANJING MILLITARY COMMAND P L A
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Patent Information

Application Number
CN202423120702.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2026-01-23
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing orthopedic fixation plates require on-site processing when dealing with patients of different body types, which increases the workload of doctors and limits the compatibility with patients' bones.

Method used

An orthopedic fixation plate was designed, which adopts a side plate and insert plate structure with waist-shaped holes. It is fixed with fixation bolts through the waist-shaped holes. The side plate is replaceable. Combined with medical silicone pad and positioning groove structure, it improves the fit and stability with the bone.

Benefits of technology

It improves the compatibility of the fixation plate with different patients' bones, reduces the need for on-site processing, and enhances the fixation effect and flexibility of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an orthopedic fixing plate and relates to the technical field of orthopedic medical treatment. Comprising a connecting plate, a side plate is arranged on the side face of the connecting plate, a positioning groove is formed in the lower surface of the connecting plate, a base plate is arranged below the positioning groove, a nut is embedded in the base plate, inserting grooves are formed in the two ends of the connecting plate, through grooves are formed in the side faces of the inserting grooves, and connecting bolts are inserted into the through grooves. An insertion plate is fixedly connected to one side of the side plate, and a threaded groove is formed in the middle of the insertion plate; the kidney-shaped holes are combined with the fixing bolts and fixed to the bone, the side plates are combined and connected with the connecting plates through the inserting plates, the side plates can be replaced conveniently, the side plates more suitable for the shape of the bone can be used conveniently, meanwhile, the kidney-shaped holes provide a certain movable interval for the fixing bolts, and the stability of combined connection of the fixing bolts, the side plates and the bone is improved; therefore, the adaptability of the orthopedic fixing plate to bones of different patients is improved.
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Description

Technical Field

[0001] This utility model relates to the field of orthopedic medical technology, specifically to an orthopedic fixation plate. Background Technology

[0002] Orthopedics is one of the most common departments in major hospitals. It mainly studies the anatomy, physiology and pathology of the musculoskeletal system, and uses drugs, surgery and physical methods to maintain and develop the normal shape and function of this system. With the changes of the times and society, the spectrum of orthopedic injuries and diseases has changed significantly. For example, diseases such as bone and joint tuberculosis, osteomyelitis and polio have decreased significantly, while injuries caused by traffic accidents have increased significantly. The changes in the spectrum of orthopedic injuries and diseases require orthopedics to keep pace with the times. With the development and progress of science and technology, orthopedics has made great progress in diagnosis and treatment. The establishment and development of hand surgery has rapidly popularized and improved the diagnosis and treatment techniques for hand injuries.

[0003] In existing technologies, fixation plates are often used in orthopedic treatment to fix fractured or damaged bones in patients. Common orthopedic fixation plates are mainly steel plates with a simple structure. When dealing with patients of different body types, it is often necessary to process the fixation plates on-site to ensure adaptability to the bones. This process increases the workload of doctors and has limited adaptability to the patient's bones. Utility Model Content

[0004] This invention provides an orthopedic fixation plate to solve the problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an orthopedic fixation plate, including a connecting plate, wherein a side plate is provided on the side of the connecting plate;

[0006] The lower surface of the connecting plate is provided with a positioning groove, a pad is provided below the positioning groove, a nut is embedded in the pad, slots are provided at both ends of the connecting plate, through grooves are provided on the side of the slots, and connecting bolts are inserted into the through grooves.

[0007] A plug plate is fixedly connected to one side of the side plate. A threaded groove is provided in the middle of the plug plate. Waist-shaped holes are provided at both the front and rear ends of the side plate. Flanges are provided at the upper and lower ends of the waist-shaped holes. A fixing bolt is threadedly connected inside the waist-shaped holes. A working groove is provided on the upper surface of the fixing bolt. A positioning block is provided on the inner wall of the working groove. A washer is threadedly connected below the waist-shaped holes. A sealing end is inserted into the upper end of the fixing bolt.

[0008] Furthermore, the lower surfaces of the connecting plate and the side plate are provided with positioning grooves, the positioning grooves on the lower surfaces of the connecting plate and the side plate are connected to each other, and the pad is attached to the positioning grooves on the lower surfaces of the connecting plate and the side plate and protrudes outward.

[0009] Furthermore, the pad is made of medical-grade silicone material, the nut is embedded in the upper part of the pad, the upper surface of the nut is exposed, the upper surface of the nut is provided with a directional groove, and the inner wall of the positioning groove is provided with a directional ridge that matches the directional groove.

[0010] Furthermore, the insert plate is inserted into the slot, the through groove and the threaded groove are opposite each other, and the connecting bolt passes through the through groove and the threaded groove to be threadedly connected to the nut.

[0011] Furthermore, the inner wall of the flared opening, the lower surface of the nut of the fixing bolt, and the upper and lower surfaces of the washer are all provided with anti-slip textures. The lower surface of the fixing bolt and the upper and lower surfaces of the washer are all set as inclined surfaces, and the inclined surfaces are in contact with the inner wall of the flared opening.

[0012] Furthermore, the positioning block has a semi-circular cross-section, and six positioning blocks are provided. The six positioning blocks are evenly spaced at equal intervals on the inner wall of the working groove, and the sealing opening is adapted to the working groove and plugged in.

[0013] Furthermore, the washer has flat surfaces on both sides, and the fixing bolt passes through the waist-shaped hole and is threadedly connected to the washer.

[0014] Compared with the prior art, the present invention provides an orthopedic fixation plate with the following advantages:

[0015] This orthopedic fixation plate features side plates with two waist-shaped holes. Fixing bolts are then used to secure the plate to the bone via these holes. The side plates are connected to a connecting plate via insert plates, facilitating replacement and allowing for the use of side plates better suited to the bone's shape. The waist-shaped holes also provide a certain range of motion for the fixing bolts, improving the stability of the connection between the fixing bolts, side plates, and bone. This enhances the adaptability of the orthopedic fixation plate to different patients' bones. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 For the present utility model Figure 1 Enlarged view of part A in the middle;

[0018] Figure 3 This is a cross-sectional view of the slot of this utility model.

[0019] In the diagram: 1. Connecting plate; 11. Positioning groove; 12. Pad; 13. Nut; 1301. Orientation groove; 1302. Orientation ridge; 14. Slot; 15. Through groove; 16. Connecting bolt; 2. Side plate; 21. Insert plate; 22. Threaded groove; 23. Waist-shaped hole; 24. Flared opening; 25. Fixing bolt; 26. Working groove; 27. Positioning block; 28. Washer; 29. ​​Sealing. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-3 This utility model discloses an orthopedic fixation plate, including a connecting plate 1, a side plate 2 on the side of the connecting plate 1; a positioning groove 11 is formed on the lower surface of the connecting plate 1, a pad 12 is formed below the positioning groove 11, a nut 13 is embedded in the pad 12, slots 14 are formed at both ends of the connecting plate 1, through grooves 15 are formed on the side of the slots 14, and connecting bolts 16 are inserted into the through grooves 15; an insert plate 21 is fixedly connected to one side of the side plate 2, a threaded groove 22 is formed in the middle of the insert plate 21, waist-shaped holes 23 are formed at both ends of the side plate 2, flared openings 24 are formed at the upper and lower ends of the waist-shaped holes 23, a fixing bolt 25 is threadedly connected inside the waist-shaped holes 23, a working groove 26 is formed on the upper surface of the fixing bolt 25, a positioning block 27 is formed on the inner wall of the working groove 26, a washer 28 is threadedly connected below the waist-shaped holes 23, and a sealing end 29 is inserted into the upper end of the fixing bolt 25.

[0022] Specifically, the lower surfaces of the connecting plate 1 and the side plate 2 are provided with positioning grooves 11, and the positioning grooves 11 on the lower surfaces of the connecting plate 1 and the side plate 2 are connected. The pad 12 is fitted into the positioning grooves 11 on the lower surfaces of the connecting plate 1 and the side plate 2 and protrudes outward. The pad 12 is made of medical silicone material. The nut 13 is embedded in the upper end of the pad 12. The upper surface of the nut 13 is exposed. The upper surface of the nut 13 is provided with an orientation groove 1301. The inner wall of the positioning groove 11 is provided with an orientation rib 1302 that matches the orientation groove 1301.

[0023] In this embodiment, the positioning groove 11 is used to position the pad 12. When the fixation plate is positioned on the side of the bone, the pad 12 is clamped between the fixation plate and the bone, which improves the tightness of the fit between the fixation plate and the bone. The pad 12, made of medical silicone material, fills the gap between the fixation plate and the bone. When the pad 12 is in contact with the fixation plate, the nut 13 is attached to the inner wall of the positioning groove 11. The directional rib 1302 is engaged in the directional groove 1301, which fixes the angle of the nut 13 and prevents the nut 13 from deflecting under the rotation of the connecting bolt 16, which facilitates the threaded connection between the connecting bolt 16 and the nut 13.

[0024] Specifically, the insert plate 21 is inserted into the slot 14, the through groove 15 is opposite to the threaded groove 22, and the connecting bolt 16 passes through the through groove 15 and the threaded groove 22 and is threadedly connected to the nut 13.

[0025] In this embodiment, the insert plate 21 is inserted into the slot 14, which serves as a combination connection between the connecting plate 1 and the side plate 2. The insert plate 21 is fixed by the threaded connection between the connecting bolt 16 and the threaded groove 22, thereby fixing the connection between the connecting plate 1 and the side plate 2.

[0026] Specifically, the inner wall of the flared opening 24, the lower surface of the nut of the fixing bolt 25, and the upper and lower surfaces of the washer 28 are all provided with anti-slip textures. The lower surface of the fixing bolt 25 and the upper and lower surfaces of the washer 28 are all set as inclined surfaces, and the inclined surfaces are in contact with the inner wall of the flared opening 24.

[0027] In this embodiment, the fixing bolt 25 passes through the oblong hole 23 and is threadedly connected to the washer 28. The lower surface of the nut of the fixing bolt 25 and the upper surface of the washer 28 are both fitted inside the flared opening 24. This reduces the outward protrusion of the fixing plate surface. At the same time, through the inner wall of the flared opening 24, the lower surface of the nut of the fixing bolt 25, and the washer 28, the upper end of the fixing bolt 25 is inserted with anti-slip textures on the upper and lower surfaces of the sealing opening 29, which increases the friction between the fixing bolt 25, the washer 28 and the flared opening 24, and prevents the fixing bolt 25 from slipping off.

[0028] Specifically, the positioning block 27 has a semi-circular cross-section, and six positioning blocks 27 are provided. The six positioning blocks 27 are evenly spaced at equal intervals on the inner wall of the working groove 26. The sealing opening 29 is adapted to the working groove 26 and is inserted and connected.

[0029] In this embodiment, the six positioning blocks 27 provided on the inner wall of the working groove 26 form a positioning structure from six directions. The hexagonal bolt insertion positioning block 27 contacts the six straight surfaces of the hexagonal bolt, which fixes the angle between the hexagonal bolt and the fixing bolt 25. At the same time, the positioning method of positioning by the positioning block 27 allows the working groove 26 to be adapted to the turning tools of flat-angle bolts and cross bolts of a certain size, improving the flexibility of use.

[0030] Specifically, the washer 28 has flat surfaces on both sides, and the fixing bolt 25 passes through the waist-shaped hole 23 and is threadedly connected to the washer 28.

[0031] In this embodiment, the flat surfaces on both sides of the washer 28 fit against the sidewall of the waist-shaped hole 23, which serves to orient the washer 28.

[0032] In use, select a side plate 2 with suitable width, curvature, and spacing of waist-shaped holes 23 according to the bone to be fixed. Insert the insert plate 21 into the slot 14, and attach the pad 12 to the inner wall of the positioning groove 11. Make the directional groove 1301 on the nut 13 engage with the directional ridge 1302 to fix the angle of the nut 13. Thread the connecting bolt 16 into the through groove 15 from the top of the connecting plate 1. The connecting bolt 16 passes through the through groove 15 and is threaded to the threaded groove 22 and the nut 13 to complete the combination connection of the fixing plate. Attach the fixing plate to the side of the fractured bone and attach the washer 28 below the waist-shaped hole 23 so that the side plates 2 at both ends of the fixing plate are attached to the bone on both sides of the crack. Thread the fixing bolt 25 into the waist-shaped hole 23 and make the fixing bolt 25 threaded to the washer 28 and the bone to achieve the combination connection between the fixing plate and the bone.

[0033] In summary, this orthopedic fixation plate, by setting a side plate 2 with two waist-shaped holes 23, uses fixing bolts 25 to fix it to the bone through the waist-shaped holes 23. The side plate 2 is connected to the connecting plate 1 through the insert plate 21, which facilitates the replacement of the side plate 2 and makes it convenient to use a side plate 2 that is more suitable for the shape of the bone. At the same time, the setting of waist-shaped holes 23 provides a certain range of motion for the fixing bolts 25, improving the stability of the connection between the fixing bolts 25 and the side plate 2 and the bone, thereby improving the adaptability of the orthopedic fixation plate to the bones of different patients.

[0034] 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 orthopedic fixation plate, comprising a connecting plate (1), characterized in that: The side of the connecting plate (1) is provided with a side plate (2); The lower surface of the connecting plate (1) is provided with a positioning groove (11), a pad (12) is provided below the positioning groove (11), a nut (13) is embedded in the pad (12), slots (14) are provided at both ends of the connecting plate (1), a through groove (15) is provided on the side of the slot (14), and a connecting bolt (16) is inserted into the through groove (15). A plug plate (21) is fixedly connected to one side of the side plate (2). A threaded groove (22) is provided in the middle of the plug plate (21). Waist-shaped holes (23) are provided at both the front and rear ends of the side plate (2). Flanges (24) are provided at the upper and lower ends of the waist-shaped holes (23). A fixing bolt (25) is threadedly connected inside the waist-shaped holes (23). A working groove (26) is provided on the upper surface of the fixing bolt (25). A positioning block (27) is provided on the inner wall of the working groove (26). A washer (28) is threadedly connected to the lower part of the waist-shaped holes (23). A sealing end (29) is inserted into the upper end of the fixing bolt (25).

2. The orthopedic fixation plate according to claim 1, characterized in that: The lower surfaces of the connecting plate (1) and the side plate (2) are provided with positioning grooves (11), and the positioning grooves (11) on the lower surfaces of the connecting plate (1) and the side plate (2) are connected together. The pad (12) is attached to the positioning grooves (11) on the lower surfaces of the connecting plate (1) and the side plate (2) and protrudes outward.

3. The orthopedic fixation plate according to claim 1, characterized in that: The pad (12) is made of medical silicone material. The nut (13) is embedded in the upper end of the pad (12). The upper surface of the nut (13) is exposed. The upper surface of the nut (13) is provided with a directional groove (1301). The inner wall of the positioning groove (11) is provided with a directional ridge (1302) that matches the directional groove (1301).

4. The orthopedic fixation plate according to claim 1, characterized in that: The insert plate (21) is inserted into the slot (14), the through groove (15) and the threaded groove (22) are arranged opposite to each other, and the connecting bolt (16) passes through the through groove (15) and the threaded groove (22) and is threadedly connected to the nut (13).

5. An orthopedic fixation plate according to claim 1, characterized in that: The inner wall of the flared opening (24), the lower surface of the nut of the fixing bolt (25), and the upper and lower surfaces of the washer (28) are all provided with anti-slip textures. The lower surface of the fixing bolt (25) and the upper and lower surfaces of the washer (28) are all set as inclined surfaces and the inclined surfaces are in contact with the inner wall of the flared opening (24).

6. An orthopedic fixation plate according to claim 1, characterized in that: The positioning block (27) has a semi-circular cross-section. There are six positioning blocks (27). The six positioning blocks (27) are evenly spaced at equal intervals on the inner wall of the working groove (26). The sealing opening (29) is adapted to the working groove (26) and is plugged in and connected.

7. The orthopedic fixation plate according to claim 1, characterized in that: The washer (28) has flat surfaces on both sides, and the fixing bolt (25) passes through the waist-shaped hole (23) and is threadedly connected to the washer (28).