Clinical lower tibia fusion plate for orthopedics department

By designing a lower tibial fusion plate that includes an upper plate, a fusion plate body, grooves, accessory components, and adjustment structures, the problem of thin connection points was solved, achieving higher fixation strength and tibial healing support, thus promoting rapid fracture recovery.

CN121910461APending Publication Date: 2026-04-24AFFILIATED HOSPITAL OF ZUNYI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
AFFILIATED HOSPITAL OF ZUNYI UNIV
Filing Date
2024-01-29
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing orthopedic clinical tibial fusion plates have thin and unstable connection points when connected to the tibia, resulting in insufficient overall strength, inability to effectively support the body weight, and affecting tibial healing.

Method used

A tibia fusion plate was designed, comprising an upper plate, a fusion plate body, a groove, accessory components, and an adjustment structure. Through the cooperation of components such as limiting blocks, pressing plates, hanging handles, and reinforcing parts, the fixation strength between the fusion plate body and the tibia is enhanced. The overall strength is improved by utilizing a telescopic bow and mounting bracket for adaptive adjustment.

Benefits of technology

It enhances the fixation strength between the fusion plate and the tibia, effectively supports the body weight, accelerates the healing and recovery process of the tibia, and avoids the risk of broken nails or plates.

✦ Generated by Eureka AI based on patent content.

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Abstract

The lower tibia fusion plate structurally comprises an upper plate part, a fusion plate body, a groove, an accessory assembly, a debugging structure and an auxiliary handle, the upper plate part is connected to the end of the fusion plate body in a sleeving mode, the debugging structure is installed in the middle of the fusion plate body through the groove, and the accessory assembly and the auxiliary handle are arranged on the outer side of the fusion plate body; by means of the accessory assembly and the debugging structure arranged in the middle and outside the fusion plate body, when the fusion plate body, the upper plate piece and the auxiliary handle are connected with the tibia through bone nails, the debugging structure in the groove in the middle of the fusion plate body can increase the fixing strength of the middle of the fusion plate body and the tibia in an abutting mode; in the tibia recovery period, the fixing strength of the auxiliary handle and the tibia can be adaptively adjusted on the outer side of the fusion plate body in an inclined mode by means of the accessory assembly, the overall strength of the fusion plate is better improved, the body weight of the human body can be supported, and the healing recovery process of the tibia can be accelerated.
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Description

Technical Field

[0001] This invention relates to the field of medical devices, and in particular, to a tibial fusion plate for clinical orthopedic use. Background Technology

[0002] Tibial and fibular shaft fractures are the most common type of fracture, especially in children under 10 years old. Single tibial shaft fractures are the most frequent. The tibia is the main weight-bearing bone connecting to the lower part of the femur. The middle and lower third of the tibia undergoes a morphological change, making it prone to fracture. Fractures of the upper third of the tibia can cause displacement and compression of the popliteal artery, leading to severe ischemia and gangrene in the lower leg. Hematoma from a fracture in the middle third of the tibia can confine within the osteofascial compartment of the lower leg, increasing intracompartmental pressure and causing ischemic muscle contracture and gangrene. Fractures in the middle and lower third of the tibia can rupture the nutrient arteries, easily leading to further fractures and delayed healing.

[0003] Therefore, early recovery is especially important for patients with tibial fractures. However, when using the tibial fusion plate in current orthopedic clinical practice, it can only be connected to the tibia with bone screws. This makes the connection points on the outer side and bottom of the fusion plate relatively thin and unstable. As a result, the overall strength of the fusion plate is insufficient to support the body weight, which may lead to the possibility of broken screws or plates, which is not conducive to the healing of the tibia. Summary of the Invention

[0004] To address the above problems, the present invention provides a lower tibial fusion plate for orthopedic clinical use, the structure of which includes an upper plate, a fusion plate body, a groove, an accessory assembly, an adjustment structure, and an auxiliary handle. The upper plate is sleeved and connected to the end of the fusion plate body. An adjustment structure is installed in the middle of the fusion plate body through the groove, and an accessory assembly and an auxiliary handle are provided on the outer side of the fusion plate body. The debugging structure includes a limiting block, a pressing plate, a handle, a displacement component, a reinforcing component, and a slider. The limiting block is movably engaged inside the groove by the pressing plate. The bottom of the pressing plate is fixedly connected to the handle, and the bottom of the pressing plate is equipped with a reinforcing component. The bottom of the handle is hinged to a slider, and the bottom of the slider is equipped with a displacement component.

[0005] As a further improvement of the present invention, the reinforcing member includes a bow, a notch, an outer cover, a spacer, and a support plate. The bow has a notch on its outside, and the outer cover is fixedly connected to the outside of the spacer. The support plate is sleeved and connected to the bottom of the outer cover.

[0006] As a further improvement of the present invention, the two ends of the bow are slidably fitted to the bottom of the pressing plate through spacers, which can be stretched and the hardness of the spacers can be changed inside the spacers.

[0007] As a further improvement of the present invention, the displacement component includes a fixed block, a circular block, a bending frame, an abutting block, and a connecting rod. The bending frame and the abutting block are fixedly connected to both sides of the fixed block. The circular block is slidably fitted between the bending frame and the abutting block through the connecting rod, and the bottom of the arc-shaped edge of the abutting block is interference-fitted to the top of the outer cover.

[0008] As a further improvement of the present invention, the accessory assembly includes a docking part, a fixing sleeve, a toggle part, a mounting frame, a bib, and a connecting strap. The docking part is installed in the middle of the mounting frame, and the bottom of the docking part is provided with a toggle part. The arc-shaped edge of the mounting frame is connected to the inside of the bib through the connecting strap in a cross-loop connection. The two ends of the connecting strap are fixedly connected to the fixing sleeve.

[0009] As a further improvement of the present invention, the bottom of the mounting bracket is inserted and connected to the outside of the fusion plate body.

[0010] As a further improvement of the present invention, the docking component includes a thin plate, a connecting clamp, a rotating shaft, and a main rod. The thin plate is hinged to both sides of the main rod. The main rod is rotatably fitted in the middle of the mounting frame via the rotating shaft. A connecting clamp and an auxiliary handle are fixedly connected to the middle of the main rod. A toggle element is slidably fitted in the middle of the connecting clamp.

[0011] As a further improvement of the present invention, the actuating component includes a locking plate, a handle, an opening claw, and a connecting band. The locking plate is fixedly connected to the bottom of the handle, and three opening claws of different sizes but identical structures are inserted and connected to the edge of the locking plate. The handle is slidably fitted to the bottom of the connecting clip through the connecting band, and the opening claws are interference-fitted to the outside of the bib and the connecting band. Beneficial effects

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention utilizes accessory components and adjustment structures located in the middle and outer parts of the fusion plate body. When the fusion plate body, upper plate, and auxiliary handle are connected to the tibia with bone screws, the adjustment structure inside the groove in the middle of the fusion plate body will increase the fixation strength between the middle of the fusion plate body and the tibia. During the tibia recovery period, the accessory components can adaptively adjust the fixation strength between the auxiliary handle and the tibia on the outer side of the fusion plate body, thereby improving the overall strength of the fusion plate to support the body weight and accelerating the healing and recovery process of the tibia.

[0013] Because the bows in this invention are all retractable elastic structures, and the bows penetrate through the notches and are forcefully inserted into the middle of the diaphragm, they can provide soft support for the diaphragm and also help the bows to be fastened to the tibia in conjunction with the notches.

[0014] The present invention uses a ring-shaped bending structure for the mounting bracket, and its cross-section is a shaped structure, which can be firmly supported on the outside of the fusion plate body, and the end of the auxiliary handle can be adaptively gripped by the docking part to conform to the curvature of the distal tibia. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a lower tibial fusion plate for clinical orthopedic use according to the present invention.

[0016] Figure 2 This is a cross-sectional schematic diagram of the debugging structure of the present invention.

[0017] Figure 3 For the present invention Figure 2 Enlarged schematic diagram of the structure of displacement component A.

[0018] Figure 4 This is a schematic diagram of the planar structure of the reinforcement component of the present invention.

[0019] Figure 5 This is a planar and three-dimensional structural diagram of the accessory components of the present invention and the mounting bracket.

[0020] Figure 6 This is a side view of the docking component of the present invention.

[0021] Figure 7 This is a schematic diagram of the planar structure of the actuating component of the present invention.

[0022] In the diagram: Upper plate - 3, Fusion plate body - 1, Groove - 2, Accessory assembly - 6, Debugging structure - 4, Auxiliary handle - 5, Limiting block - 4a, Pressing plate - 4s, Hanging handle - 4d, Displacement component - 4f, Reinforcing component - 4g, Slider - 4h, Fixing block - f1, Round block - f2, Bending frame - f3, Abutting block - f4, Connecting rod - f5, Bow - g1, Notch - g2, Outer cover - g3, Spacer - g4, Support plate - g5, Connecting component - 6z, Fixing sleeve - 6x, Actuating component - 6c, Mounting bracket - 6v, Bib - 6b, Link - 6n, Thin plate - z1, Connecting clamp - z2, Rotating shaft - z3, Main rod - z4, Clamping plate - c1, Handle - c2, Opening claw - c3, Link - c4. Detailed Implementation

[0023] Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0024] like Figures 1-4 As shown, the present invention provides a lower tibial fusion plate for orthopedic clinical use, the structure of which includes an upper plate 3, a fusion plate body 1, a groove 2, an accessory assembly 6, an adjustment structure 4, and an auxiliary handle 5. The upper plate 3 is sleeved and connected to the end of the fusion plate body 1. The adjustment structure 4 is installed in the middle of the fusion plate body 1 through the groove 2, and the accessory assembly 6 and the auxiliary handle 5 are provided on the outer side of the fusion plate body 1. The debugging structure 4 includes a limiting block 4a, a pressing plate 4s, a handle 4d, a displacement component 4f, a reinforcing component 4g, and a slider 4h. The limiting block 4a is movably engaged inside the groove 2 by the pressing plate 4s. The bottom of the pressing plate 4s is fixedly connected to the handle 4d, and the bottom of the pressing plate 4s is equipped with the reinforcing component 4g. The bottom of the handle 4d is hinged to the slider 4h, and the bottom of the slider 4h is equipped with the displacement component 4f.

[0025] The reinforcing component 4g includes a bow g1, a notch g2, an outer cover g3, a spacer g4, and a support plate g5. The bow g1 has a notch g2 on its outside. The outer cover g3 is fixedly connected to the outside of the spacer g4. The support plate g5 is sleeved and connected to the bottom of the outer cover g3. Both the support plate g5 and the bow g1 are retractable elastic structures. The bow g1 passes through the notch g2 and is forcefully inserted into the middle of the spacer g4, which can provide soft support for the spacer g4.

[0026] The two ends of the bow g1 are slidably fitted to the bottom of the pressing plate 4s through the spacer g4, which can be stretched and the hardness of the spacer can be changed inside.

[0027] The displacement component 4f includes a fixed block f1, a round block f2, a bending frame f3, an abutment block f4, and a connecting rod f5. The bending frame f3 and the abutment block f4 are fixedly connected to both sides of the fixed block f1. The round block f2 is slidably engaged between the bending frame f3 and the abutment block f4 through the connecting rod f5. The bottom of the arc-shaped edge of the abutment block f4 is interference-fitted above the outer cover g3, which facilitates pressing the outer cover g3 downward to adjust the contact strength between the middle of the fusion plate body 1 and the tibia, thereby strengthening the overall fixation strength.

[0028] Based on the above embodiments, the specific working principle is as follows: Using the accessory components 6 and adjustment structure 4 located in the middle and on the outside of the fusion plate body 1, when the fusion plate body 1, the upper plate 3, and the auxiliary handle 5 are connected to the tibia with bone screws, the pressing plate 4s in the groove 2 in the middle of the fusion plate body 1, in conjunction with the limiting block 4a, presses down on the bow g1 and the hanging handle 4d at its bottom. This causes the hanging handle 4d to press the bending frame f3 with the slider 4h, causing the bending frame f3 to expand outward around the fixed block f1, and push the connecting rod f5 and the circular block f2 to roll on the back of the abutment block f4, so that the arc of the abutment block f4... The edge can be pressed upward along the outward expansion direction of the bending frame f3 and pressed against the arc edge of the outer cover g3. Under the pressure of the pressure, the septum g4 and the notch g2 of the bow g1 intersect, so that the bow g1 is pressed upward by the contact block f4 in the middle of the septum g4 and slides and stretches along the bottom of the pressing plate 4s. It can elastically adapt to the tibial surface and can increase the fixation strength between the middle of the fusion plate body 1 and the tibia. The fusion plate body 1, the upper plate 3, the outer cover g3 and the auxiliary handle 5 all have good biocompatibility and will not cause rejection reaction with the human body. Example

[0029] like Figures 5-7 As shown, based on Embodiment 1, the present invention combines the following structural components: the accessory assembly 6 includes a docking part 6z, a fixing sleeve 6x, a toggle part 6c, a mounting frame 6v, a bib 6b, and a connecting strap 6n. The docking part 6z is installed in the middle of the mounting frame 6v, and the toggle part 6c is provided at the bottom of the docking part 6z. The arc-shaped edge of the mounting frame 6v is connected to the inside of the bib 6b through the connecting strap 6n. The two ends of the connecting strap 6n are fixedly connected to the fixing sleeve 6x.

[0030] The mounting bracket 6v has a circular bending structure and a V-shaped cross-section. Its bottom is inserted and connected to the outside of the fusion plate body 1, which can be firmly supported on the outside of the fusion plate body 1. With the help of the docking part 6z, it can adaptively grasp the end of the auxiliary handle 5 to make it conform to the curvature of the distal tibia.

[0031] The docking component 6z includes a thin plate z1, a connecting clamp z2, a rotating shaft z3, and a main rod z4. The thin plate z1 is hinged to both sides of the main rod z4. The main rod z4 is rotatably fitted in the middle of the mounting frame 6v through the rotating shaft z3. The connecting clamp z2 and an auxiliary handle 5 are fixedly connected in the middle of the main rod z4. The connecting clamp z2 is slidably fitted with a toggle component 6c in the middle.

[0032] The actuating component 6c includes a locking plate c1, a handle c2, an opening claw c3, and a connecting band c4. The locking plate c1 is fixedly connected to the bottom of the handle c2, and three opening claws c3 of different sizes but identical structures are inserted and connected to the edge of the locking plate c1. The handle c2 is slidably fitted to the bottom of the connecting clamp z2 through the connecting band c4. The opening claws c3 are interference-fitted to the outside of the bib 6b and the connecting band 6n, thereby strengthening the support capacity of the mounting frame 6v and enabling it to be installed on both sides of the fusion plate body 1 in a triangular bracket configuration with the mounting frame 6v.

[0033] Based on the above embodiments, the specific working principle is as follows: When the fusion plate body 1 is fixed to the tibia, and during the tibia's recovery period, it will adapt and tilt and deform with the fusion plate body 1. This will push the mounting bracket 6v fixed on the outside of the fusion plate body 1, causing the connecting strap 6n and the bib 6b in the middle of the mounting bracket 6v to slide along the circular structure of the mounting bracket 6v. They will then engage with the opening claws c3 on the inner side of the clamping plate c1, tending to push the clamping plate c1 and the handle c2 in conjunction with the connecting strap c4 to swing outward below the connecting clip z2. The increased tension of the connecting strap 6n and the bib 6b on the outside of the circular structure of the mounting bracket 6v will provide strong layer-by-layer support for the connecting clip z2 and the main rod z4. This allows the outside of the main rod z4 to adaptably adjust the fixation strength between the auxiliary handle 5 and the tibia on the outside of the fusion plate body 1, which helps to improve the overall strength of the fusion plate to support the body's weight, thereby accelerating the healing and recovery process of the tibia.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A tibial fusion plate for clinical orthopedic use, characterized in that: Its structure includes an upper plate (3), a fusion plate body (1), a groove (2), an accessory assembly (6), an adjustment structure (4), and an auxiliary handle (5). The upper plate (3) is sleeved and connected to the end of the fusion plate body (1). The adjustment structure (4) is installed in the middle of the fusion plate body (1) through the groove (2). The accessory assembly (6) and the auxiliary handle (5) are provided on the outside of the fusion plate body (1). The debugging structure (4) includes a limiting block (4a), a pressing plate (4s), a handle (4d), a displacement component (4f), a reinforcing component (4g), and a slider (4h). The limiting block (4a) is movably engaged in the groove (2) through the pressing plate (4s). The bottom of the pressing plate (4s) is fixedly connected to the handle (4d), and the bottom of the pressing plate (4s) is equipped with a reinforcing component (4g). The bottom of the handle (4d) is hinged to the slider (4h), and the bottom of the slider (4h) is equipped with a displacement component (4f).

2. The orthopedic clinical tibial fusion plate according to claim 1, characterized in that: The reinforcing member (4g) includes a bow (g1), a notch (g2), an outer cover (g3), a spacer (g4), and a support plate (g5). The bow (g1) has a notch (g2) on its outside, and the spacer (g4) is fixedly connected to the outside of the outer cover (g3). The bottom of the outer cover (g3) is sleeved and connected to the support plate (g5).

3. The orthopedic clinical tibial fusion plate according to claim 1, characterized in that: The two ends of the bow (g1) are slidably fitted to the bottom of the pressing plate (4s) by the spacer (g4).

4. The orthopedic clinical tibial fusion plate according to claim 1, characterized in that: The displacement component (4f) includes a fixed block (f1), a round block (f2), a bending frame (f3), a contact block (f4), and a connecting rod (f5). The fixed block (f1) is fixedly connected to the bending frame (f3) and the contact block (f4) on both sides. The round block (f2) is slidably engaged between the bending frame (f3) and the contact block (f4) through the connecting rod (f5). The bottom of the arc-shaped edge of the contact block (f4) is interference-fitted to the top of the outer cover (g3).

5. The orthopedic clinical tibial fusion plate according to claim 1, characterized in that: The accessory component (6) includes a docking part (6z), a fixing sleeve (6x), a toggle part (6c), a mounting frame (6v), a bib (6b), and a connecting strap (6n). The docking part (6z) is installed in the middle of the mounting frame (6v), and the toggle part (6c) is provided at the bottom of the docking part (6z). The arc-shaped edge of the mounting frame (6v) is connected to the inside of the bib (6b) through the connecting strap (6n). The two ends of the connecting strap (6n) are fixedly connected to the fixing sleeve (6x).

6. The orthopedic clinical tibial fusion plate according to claim 5, characterized in that: The mounting bracket (6v) is inserted and connected to the outside of the fusion plate body (1) at its bottom.

7. The orthopedic clinical tibial fusion plate according to claim 5, characterized in that: The docking component (6z) includes a thin plate (z1), a connecting clamp (z2), a rotating shaft (z3), and a main rod (z4). The thin plate (z1) is hinged to both sides of the main rod (z4). The main rod (z4) is rotatably fitted in the middle of the mounting frame (6v) through the rotating shaft (z3). The connecting clamp (z2) and an auxiliary handle (5) are fixedly connected in the middle of the main rod (z4). A sliding actuator (6c) is slidably fitted in the middle of the connecting clamp (z2).

8. The orthopedic clinical tibial fusion plate according to claim 5, characterized in that: The actuating component (6c) includes a locking plate (c1), a handle (c2), an opening claw (c3), and a connecting band (c4). The locking plate (c1) is fixedly connected to the bottom of the handle (c2), and three opening claws (c3) of different sizes but identical structures are inserted and connected to the edge of the locking plate (c1). The handle (c2) is slidably fitted to the bottom of the connecting clip (z2) through the connecting band (c4), and the opening claws (c3) are interference-fitted to the outside of the bib (6b) and the connecting band (6n).