Ankle fracture reduction device
By designing an adjustable sole plate, airbag adjustment and tensioning strap fixation, the problem that existing ankle fracture reduction devices cannot adapt to different groups of people is solved, personalized reduction and stable fixation are achieved, and the treatment effect and comfort are improved.
Patent Information
- Application Number
- CN202511008536.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-22
- Publication Date
- 2025-10-10
AI Technical Summary
Existing ankle fracture reduction devices cannot meet the individual differences of different populations, especially in patients of different age groups, body shapes and foot deformities, making it difficult to achieve precise adaptation and stable fixation.
An ankle fracture reduction device is designed, which includes a sole plate, an adjustment locking mechanism, an arch adjustment mechanism and a foot limiting mechanism. The device can meet the needs of different people through the adjustable sole plate, airbag adjustment and tensioning belt fixation.
It achieves personalized adaptation for different groups of people, improves the accuracy and stability of reduction, reduces the risk of secondary injury, and improves treatment efficiency and patient comfort.
Smart Images
Figure CN120753849A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical devices, in particular to a foot and ankle fracture reduction device. Background Art
[0002] Ankle fractures are a disruption in the continuity of the bones of the foot and ankle joint. They are common orthopedic traumas, mostly caused by external impact, twisting or falling. Among them, ankle fractures are the most common, which are divided into unimalleolar, bimalleolar and trimalleolar fractures, caused by twisting or vertical violence. Complex fractures are often accompanied by dislocations. Foot fractures include fractures of the calcaneus, talus and metatarsal bones, which are mostly related to direct injuries or strain. Symptoms include pain, swelling, congestion, limited movement and deformity in severe cases. Poor reduction can easily lead to malformation and sequelae of traumatic arthritis. The disease is more common in children, the elderly and athletes. Causes include sports injuries, accidents and chronic strain. Treatment is based on the degree of displacement, with manual reduction and fixation or surgical reduction and internal fixation, and both anatomical reduction and functional recovery must be taken into account.
[0003] The ankle fracture reduction device is a special tool for correcting ankle fracture displacement and restoring the normal anatomical position of bones in orthopedic treatment. It can exert controllable external force through mechanical structure to counteract the displacement trend of fracture ends and pull dislocated bones back to normal position. It is suitable for complex fractures that are difficult to reduce manually. After reduction, the device can temporarily fix the fracture site to avoid re-displacement and create stable conditions for subsequent plaster or surgical internal fixation. At the same time, it can quantitatively adjust the traction force and angle to reduce secondary damage caused by manual reduction and assist the surgeon in observing the reduction effect. In addition, the specific mechanical structure designed for different fracture types can meet personalized reduction needs and improve treatment efficiency.
[0004] Early ankle fracture reduction devices were relatively simple, such as the Cai ankle traction reduction system, which primarily consisted of a wide gauze strip of moderate length, knotted into a loop, and two traction reduction hooks. However, compared to internal fixation, some external fixators struggle to maintain precise fracture reduction and stability, hindering smooth fracture healing. The device's position cannot be adjusted during installation, requiring repeated disassembly and assembly, which can cause secondary injuries. Existing reduction devices have improved their structural design by adding adjustable support components that allow for a certain degree of adjustment of the foot support position. High-strength stainless steel or titanium alloys are used for enhanced rigidity and corrosion resistance, providing stable internal fixation. However, these devices struggle to adapt to diverse populations. For example, in children with developing bones and the elderly with more porous bones, the device struggles to precisely adapt to their skeletal characteristics. Individuals with varying body shapes, such as those with obesity or thinness, struggle to meet individual differences in fixation and support strength. Furthermore, existing reduction devices struggle to achieve a perfect fit and effective reduction for patients with foot deformities. Summary of the Invention
[0005] In view of the shortcomings of the existing technology, the present invention provides an ankle fracture reduction device, which solves the problem that it cannot meet the individual differences when used by different groups of people.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a foot and ankle fracture reduction device, comprising a sole plate, the bottom of which is provided with an adjustment and engagement mechanism, the adjustment and engagement mechanism being capable of replacing different sole plates according to the needs of different groups of people, an arch adjustment mechanism being provided at the front middle portion of the sole plate, the arch adjustment mechanism being used for adjusting and installing according to the arch of the foot, and a foot restraining mechanism being provided on the outer wall of the sole plate, the foot restraining mechanism being used for securing the device to the patient's leg and foot;
[0007] The adjusting engaging mechanism includes a front card plate and a hollow rear card plate, the inner walls of the front card plate and the hollow rear card plate are respectively arranged on the left and right sides of the bottom of the sole plate, the inner walls of the front card plate and the hollow rear card plate are respectively engaged with the left and right sides of the bottom of the sole plate, the front and rear sides of the top of the hollow rear card plate are fixedly connected to the limiting columns, the top ends of the two limiting columns are fixedly connected with a U-shaped limiting block, the front and rear sides of the front card plate are rotatably connected with tilting rods, the top ends of the two tilting rods are respectively rotatably connected with the front and rear sides of the corresponding U-shaped limiting blocks, a limiting assembly is provided on the right part of the front card plate, a locking assembly is provided on the top of the U-shaped limiting block, and a buffer block is fixedly connected to the right side of the inner wall of the U-shaped limiting block.
[0008] Preferably, the arch adjustment mechanism includes a limiting hole, the outer wall of the limiting hole is opened in the middle of the front side of the sole plate, an L-shaped limiting plate is provided on the top rear side of the sole plate, the rear side of the inner wall of the L-shaped limiting plate is fixedly connected to a top column, the top of the L-shaped limiting plate is slidingly connected to a hollow arch foot block, the front side of the inner wall of the hollow arch foot block is rotatably connected to a T-shaped rotating plate, the bottom end of the inner wall of the hollow arch foot block is fixedly connected to an air bag, the rear side of the air bag is connected to an air nozzle, the rear part of the hollow arch foot block is provided with an adjustment component, and the inner wall of the limiting hole is provided with a locking component.
[0009] Preferably, the foot limiting mechanism includes two limiting columns, the outer walls of the two limiting columns are respectively fixedly connected to the front and rear sides of the right part of the sole plate, the outer walls of the limiting columns are rotatably connected to a connecting strip, the top ends of the two connecting strips are fixedly connected to an L-shaped arc surface, the left side of the L-shaped arc surface is fixedly connected to a T-shaped connecting block, the front and rear sides of the right part of the sole plate are provided with a sliding groove, the inner wall of the sliding groove is slidably connected to a connecting slider, the top ends of the two connecting sliders are respectively fixedly connected to the front and rear sides of the corresponding T-shaped connecting blocks, the inner wall of the connecting slider is threadedly connected to a fastening bolt, and a binding component is provided at the top of the adjusting locking mechanism.
[0010] Preferably, the limiting assembly includes two limiting screw rods, the left ends of the two limiting screw rods are respectively fixedly connected to the front and rear sides of the right part of the front clamping plate, the outer walls of the two limiting screw rods are engaged with the inner wall of the hollow rear clamping plate, and the left and right sides of the outer walls of the limiting screw rods are threadedly connected with limiting nuts.
[0011] Preferably, the clamping assembly includes a screw, the left end of the screw is fixedly connected to the middle part of the right side of the U-shaped limiting block, the outer wall of the U-shaped limiting block is threadedly connected to an extrusion cap, the top right side of the U-shaped limiting block is slidably connected to a trapezoidal extrusion strip, the top front and rear sides of the U-shaped limiting block are slidably connected to a clamping strip, the outer walls of the two clamping strips are fixedly connected to a plurality of limit strips on the side away from each other, and the outer walls of the two limit columns are provided with a plurality of clamping grooves on the adjacent side, and the outer wall of the limit strip is clamped with the inner wall of the corresponding clamping groove.
[0012] Preferably, the adjustment assembly includes a limiting rod, the left and right ends of which are respectively fixedly connected to the middle of the rear side of the hollow arch foot block, the outer wall of the limiting rod is engaged with the rear side of the L-shaped limiting plate, and the left and right sides of the outer wall of the limiting rod are threadedly connected to the limiting nut.
[0013] Preferably, the locking assembly includes two limiting rings, the outer walls of the two limiting rings are respectively fixedly connected to the front and rear sides of the middle part of the inner wall of the limiting hole, a return spring is provided in the middle part of the inner wall of the limiting hole, the front and rear ends of the return spring are fixedly connected with spacers, the outer walls of the two spacers are respectively engaged with the outer walls of the corresponding limiting rings, the front and rear sides of the inner wall of the limiting hole are provided with inclined slots, and the top middle part of the sole plate is provided with multiple T-shaped limiting slots.
[0014] Preferably, the binding assembly includes a limiting square ring, the outer wall of the limiting square ring is rotatably connected to the front side of the inner wall of the U-shaped limiting block, the rear side of the inner wall of the U-shaped limiting block is fixedly connected with a tensioning belt, the right side of the tensioning belt is fixedly connected with a hair panel, and a double-sided hook plate is provided on the right side of the hair panel, and the left side of the outer wall of the double-sided hook plate is adhered to the right side of the hair panel.
[0015] Preferably, a plurality of anti-skid and wear-resistant blocks are fixedly connected to the left side of the top of the sole plate, and a limited buffer ring is fixedly connected to the right side of the top of the sole plate.
[0016] Preferably, the left and right sides of the top inner wall of the L-shaped limiting plate are respectively engaged with the inner walls of the two rear T-shaped limit grooves, and the outer wall of the top column is engaged with the inner wall of the inclined groove.
[0017] The present invention provides a device for reducing ankle fractures. It has the following beneficial effects:
[0018] 1. The present invention selects the required size of the sole plate, adjusts the engaging position of the front clamping plate and the hollow rear clamping plate at the bottom of the sole plate, and the limiting screw rod will change with the distance between the front clamping plate and the hollow rear clamping plate, and engage at different positions of the hollow rear clamping plate. Then, the limiting nuts on both sides are rotated to limit and fix the adjusted position. At the same time, the tilting rod adapts to the adjusted position and pushes the U-shaped limiting block to move above the limiting column, thereby adapting to the use of different people.
[0019] 2. The present invention places the L-shaped limiting plate on the corresponding side, inserts the top column into the inner side of the limiting hole, and engages the top column with the inclined slot. The top end of the top column pushes the partition plate to squeeze the reset spring. Since the inclined slot is hook-shaped, the top column is stuck at the bottom end of the inclined slot when the reset spring resets. Then, the air bag is inflated through the air nozzle to change the rotation angle of the T-shaped turning plate, so that the sole plate can better fit the sole of the foot. At the same time, by changing the position of the limiting nut on the limiting rod, the position of the hollow arch foot block on the L-shaped limiting plate is changed to adapt to different sole sizes.
[0020] 3. The present invention releases the lock of the connecting slider and the slide groove by rotating the fastening bolt, moves the connecting slider above the slide groove according to the shape of the foot, adjusts the T-shaped connecting block and the L-shaped arc surface to fit the instep, and then tightens the fastening bolt to define the adjusted position. At the same time, the tensioning belt is passed through the limited square ring, the hair panel is pulled to tighten the tensioning belt, and the double-sided hook plate is adhered to the hair panel to further fix the device and the leg, thereby fixing the entire device to the patient's leg and foot. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 A perspective view of the present invention;
[0022] Figure 2 It is a front view of the present invention;
[0023] Figure 3 A top view of the present invention;
[0024] Figure 4 It is a partial structural diagram of the adjustment engaging mechanism of the present invention;
[0025] Figure 5 is a cross-sectional view of a foot sole plate of the present invention;
[0026] Figure 6 This is a partial structural exploded view of the arch adjustment mechanism of the present invention;
[0027] Figure 7 is a schematic diagram of a partial structure of the foot limiting mechanism of the present invention;
[0028] Figure 8 It is a partial structural exploded view of the locking assembly of the present invention.
[0029] Among them: 1. Foot sole plate; 2. Adjustable snap-fit mechanism; 21. Front clamping plate; 22. Hollow rear clamping plate; 23. Limiting column; 24. Tilt rod; 25. U-shaped limiting block; 26. Limiting assembly; 261. Limiting screw rod; 262. Limiting nut; 27. Clamping assembly; 271. Screw rod; 272. Extrusion cap; 273. Trapezoidal extrusion strip; 274. Clamping strip; 275. Limiting strip; 276. Clamping groove; 28. Buffer block; 3. Arch adjustment mechanism; 31. Limiting hole; 32. L-shaped limiting plate; 33. Top column; 34. Hollow arch foot block; 35. T-shaped rotating plate; 36. Airbag; 37. Air nozzle; 38. Adjustment assembly; 381. Limit rod; 382. Limit nut; 39. Locking assembly; 391. Limit ring; 392. Return spring; 393. Spacer; 394. Inclined slot; 395. T-shaped limit slot; 4. Foot limiting mechanism; 41. Limit column; 42. Connecting strip; 43. L-shaped arc surface; 44. T-shaped connecting block; 45. Slide; 46. Connecting slider; 47. Fastening bolt; 48. Binding assembly; 481. Limit square ring; 482. Tensioning belt; 483. Rough panel; 484. Double-sided hook plate; 5. Anti-slip and wear-resistant block; 6. Limit buffer ring. DETAILED DESCRIPTION
[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the present specification. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0031] Please see the attached Figure 2 , Attachment Figure 4 and attached Figure 8 The embodiment of the present invention provides an ankle fracture reduction device, comprising a sole plate 1, the bottom of which is provided with an adjustment and locking mechanism 2, which can be replaced with different sole plates 1 according to the needs of different groups of people, an arch adjustment mechanism 3 is provided at the front middle portion of the sole plate 1, and the arch adjustment mechanism 3 is used to adjust and install according to the arch of the foot, and a foot limiting mechanism 4 is provided on the outer wall of the sole plate 1, and the foot limiting mechanism 4 is used to fix the device to the patient's leg and foot;
[0032] The adjusting and clamping mechanism 2 comprises a front clamping plate 21 and a hollow rear clamping plate 22, the inner walls of the front clamping plate 21 and the hollow rear clamping plate 22 are arranged at the left and right sides of the bottom of the foot plate 1 respectively, the inner walls of the front clamping plate 21 and the hollow rear clamping plate 22 are clamped with the left and right sides of the bottom of the foot plate 1 respectively, the top front and back sides of the hollow rear clamping plate 22 are fixedly connected with a limiting column 23, by adjusting the clamping position of the front clamping plate 21 and the hollow rear clamping plate 22 at the bottom of the foot plate 1, at this time the limiting lead screw 261 will be clamped in different positions in the hollow rear clamping plate 22 along with the change of the distance between the front clamping plate 21 and the hollow rear clamping plate 22, the top ends of the two limiting columns 23 are fixedly connected with a U-shaped limiting block 25, the front and back sides of the front clamping plate 21 are rotatably connected with an inclined rod 24, the top ends of the two inclined rods 24 are rotatably connected with the front and back sides of the corresponding U-shaped limiting block 25 respectively, the right part of the front clamping plate 21 is provided with a limiting assembly 26, the top of the U-shaped limiting block 25 is provided with a clamping assembly 27, the inner wall right side of the U-shaped limiting block 25 is fixedly connected with a buffer block 28, the buffer block 28 can reduce the impact of the leg and the U-shaped limiting block 25 during fixing, so that the wearing is more comfortable;
[0033] The limiting assembly 26 comprises two limiting lead screws 261, the left ends of the two limiting lead screws 261 are fixedly connected with the right front and back sides of the front clamping plate 21 respectively, the outer walls of the two limiting lead screws 261 are clamped with the inner walls of the hollow rear clamping plate 22, the outer walls of the limiting lead screw 261 are threadedly connected with a limiting nut 262, the limiting and fixing of the adjusted position are realized by rotating the limiting nuts 262 on both sides; the clamping assembly 27 comprises a screw rod 271, the left end of the screw rod 271 is fixedly connected with the right middle part of the U-shaped limiting block 25, the outer wall of the U-shaped limiting block 25 is threadedly connected with a pressing cap 272, the top right side of the U-shaped limiting block 25 is slidably connected with a trapezoidal pressing strip 273, the top front and back sides of the U-shaped limiting block 25 are slidably connected with clamping clamping strips 274, the outer walls of the two clamping clamping strips 274 are fixedly connected with a plurality of limiting strips 275 on the sides away from each other, a plurality of clamping grooves 276 are formed on the adjacent sides of the outer walls of the two limiting columns 23, the outer walls of the limiting strips 275 are clamped with the inner walls of the corresponding clamping grooves 276, rotating the pressing cap 272 to move along the screw rod 271, pushing the trapezoidal pressing strip 273 to slide, making the two clamping clamping strips 274 move away from each other, making the limiting strips 275 clamped into the corresponding clamping grooves 276, completing the fixing of the U-shaped limiting block 25 and the limiting column 23, so as to further fix the replaced foot plate 1;
[0034] Specifically, according to the needs of different groups of people, the required size of the sole plate 1 is selected, and by adjusting the engaging position of the front card plate 21 and the hollow rear card plate 22 at the bottom of the sole plate 1, the limiting screw rod 261 will be engaged in different positions in the hollow rear card plate 22 as the distance between the front card plate 21 and the hollow rear card plate 22 changes. Then, the limiting nuts 262 on both sides are rotated to limit and fix the adjusted position. At the same time, the tilt rod 24 will adapt to the adjusted position, thereby pushing the U-shaped limiting block 2 At the same time, the extrusion cap 272 is rotated and moved along the screw 271, pushing the trapezoidal extrusion strip 273 to slide, so that the two engaging strips 274 move away from each other, and the limiting strip 275 is engaged with the corresponding engaging groove 276, completing the fixation of the U-shaped limiting block 25 and the limiting column 23, thereby further fixing the replaced sole plate 1. At the same time, the buffer block 28 can reduce the impact between the leg and the U-shaped limiting block 25 during fixation, making the wearer more comfortable and suitable for different people.
[0035] Please see the attached Figure 5 , Attachment Figure 6 and attached Figure 7 The arch adjustment mechanism 3 includes a limiting hole 31. The outer wall of the limiting hole 31 is opened in the middle of the front side of the sole plate 1. An L-shaped limiting plate 32 is provided on the top rear side of the sole plate 1. The rear side of the inner wall of the L-shaped limiting plate 32 is fixedly connected with a top column 33. The L-shaped limiting plate 32 is placed on the corresponding side and the top column 33 is inserted into the inner side of the corresponding limiting hole 31. The top of the L-shaped limiting plate 32 is slidably connected with a hollow arch foot block 34. The front side of the inner wall of the hollow arch foot block 34 A T-shaped rotating plate 35 is rotatably connected, and an air bag 36 is fixedly connected to the bottom end of the inner wall of the hollow arch foot block 34. The rear side of the air bag 36 is connected to an air nozzle 37. Gas is filled into the air bag 36 through the air nozzle 37 to change the rotation angle of the T-shaped rotating plate 35 to adapt to the plantar arches of different people, so that the entire sole plate 1 can better fit the sole of the foot. An adjustment component 38 is provided at the rear of the hollow arch foot block 34, and a locking component 39 is provided on the inner wall of the limiting hole 31;
[0036] The adjusting component 38 includes a limiting rod 381, the left and right ends of the limiting rod 381 are respectively fixedly connected to the middle of the rear side of the hollow arch foot block 34, the outer wall of the limiting rod 381 is engaged with the rear side of the L-shaped limiting plate 32, and the left and right sides of the outer wall of the limiting rod 381 are threadedly connected to the limiting nut 382. By changing the position of the limiting nut 382 above the limiting rod 381, the position of the entire hollow arch foot block 34 above the L-shaped limiting plate 32 is changed; the locking component 39 includes two limiting rings 391, the outer walls of the two limiting rings 391 are respectively fixedly connected to the front and rear sides of the middle part of the inner wall of the limiting hole 31, and a return spring 392 is provided in the middle of the inner wall of the limiting hole 31. The front and rear ends are fixedly connected to the spacers 393, the outer walls of the two spacers 393 are respectively engaged with the outer walls of the corresponding limiting rings 391, the front and rear sides of the inner wall of the limiting hole 31 are provided with inclined slots 394, and the top middle part of the foot sole plate 1 is provided with a plurality of T-shaped limiting slots 395. The top column 33 is engaged with the inclined slots 394 in the limiting hole 31. At the same time, the top of the top column 33 pushes the spacers 393, thereby squeezing the return spring 392, and the return spring 392 on the other side pushes the spacers 393 on the other side to engage with the limiting ring 391, and the inclined slots 394 are hook-shaped, and then under the reset of the return spring 392, the top column 33 is engaged with the bottom end of the inclined slots 394;
[0037] The top of the top post 33 will push the spacer 393, thereby squeezing the return spring 392, and the return spring 392 on the other side will push the spacer 393 on the other side to engage with the limiting ring 391, and the inclined groove 394 is hook-shaped, and then under the reset of the return spring 392, the top post 33 will be engaged with the bottom end of the inclined groove 394, and then gas is filled into the air bag 36 through the air nozzle 37, thereby changing the rotation angle of the T-shaped rotating plate 35 to adapt to the soles and arches of different people, so that the entire sole plate 1 can fit better on the sole of the foot. At the same time, by changing the position of the limiting nut 382 above the limiting rod 381, the position of the entire hollow arch foot block 34 above the L-shaped limiting plate 32 can be changed to adapt to different sizes of soles.
[0038] Please see the attached Figure 3 , Attachment Figure 7 and attached Figure 8The foot limiting mechanism 4 includes two limiting columns 41. The outer walls of the two limiting columns 41 are respectively fixedly connected to the front and rear sides of the right part of the sole plate 1. The outer wall of the limiting column 41 is rotatably connected to a connecting strip 42. The top of the two connecting strips 42 is fixedly connected to an L-shaped arc surface 43. The left side of the L-shaped arc surface 43 is fixedly connected to a T-shaped connecting block 44. The front and rear sides of the right part of the sole plate 1 are both provided with a sliding groove 45. The inner wall of the sliding groove 45 is slidably connected to a connecting slider 46. The fastening bolt 47 is rotated to release the connecting slider 46 from the sliding groove 45. The locking mechanism 46 is locked, and the position of the connecting slider 46 above the slide groove 45 is moved according to the shape of the foot. The top ends of the two connecting sliders 46 are fixedly connected to the front and rear sides of the corresponding T-shaped connecting block 44 respectively. The inner wall of the connecting slider 46 is threadedly connected with a fastening bolt 47, so that the T-shaped connecting block 44 and the L-shaped arc surface 43 are adjusted so that the entire T-shaped connecting block 44 and the L-shaped arc surface 43 can fit on the instep. Then, the fastening bolt 47 is tightened to define the adjusted position. A binding component 48 is provided on the top of the adjustment clamping mechanism 2.
[0039] The binding assembly 48 includes a limiting square ring 481, the outer wall of the limiting square ring 481 is rotatably connected to the front side of the inner wall of the U-shaped limiting block 25, and a tensioning belt 482 is fixedly connected to the rear side of the inner wall of the U-shaped limiting block 25. The right side of the tensioning belt 482 is fixedly connected to a hair panel 483, and a double-sided hook plate 484 is provided on the right side of the hair panel 483. The left side of the outer wall of the double-sided hook plate 484 is adhered to the right side of the hair panel 483. The tensioning belt 482 is passed through the limiting square ring 481, and the hair panel 483 is pulled to tighten the tensioning belt 482. The double-sided hook plate 484 is adhered to the hair panel 483 to further fix the device to the leg;
[0040] Specifically, the fastening bolt 47 is turned to release the lock of the connecting slider 46 and the slide groove 45, and the connecting slider 46 is moved above the slide groove 45 according to the shape of the foot, so that the T-shaped connecting block 44 and the L-shaped arc surface 43 are adjusted, so that the entire T-shaped connecting block 44 and the L-shaped arc surface 43 can fit on the instep, and then the fastening bolt 47 is tightened to limit the adjusted position, and at the same time, the tensioning belt 482 is passed through the limiting square ring 481, and the hair panel 483 is pulled to tighten the tensioning belt 482, and the double-sided hook plate 484 is adhered to the hair panel 483 to further fix the device to the leg, so that the entire device is fixed to the patient's leg and foot.
[0041] Please see the attached Figure 1 , Attachment Figure 6 and attached Figure 7The left side of the top of the sole plate 1 is fixedly connected with a plurality of anti-skid and wear-resistant blocks 5, which can increase the friction between the foot and the sole plate 1 to prevent the foot from sliding during the resetting and fixing process. The right side of the top of the sole plate 1 is fixedly connected with a limited buffer ring 6. The limited buffer ring 6 can not only limit the rear of the foot to prevent the rear of the foot from excessively moving to the right, but also play a buffering role when the rear of the foot is active or subjected to slight external force; the left and right sides of the inner wall top of the L-shaped limiting plate 32 are respectively engaged with the inner walls of the two T-shaped limiting grooves 395 on the rear side, so that the L-shaped limiting plate 32 can be stably fixed in a specific position of the sole plate 1, preventing the L-shaped limiting plate 32 from lateral or longitudinal displacement during the operation of the arch adjustment mechanism 3, ensuring the stability during arch adjustment. The outer wall of the top column 33 is engaged with the inner wall of the inclined slot 394 to fix the position of the top column 33, thereby enhancing the overall installation stability of the L-shaped limiting plate 32;
[0042] Specifically, the anti-skid wear-resistant block 5 can increase the friction between the foot and the sole plate 1, preventing the foot from sliding during the reduction and fixation process. At the same time, its wear-resistant properties can extend the service life and avoid damage caused by friction during long-term use. At the same time, it can be rubbed on the anti-skid wear-resistant block 5 to relieve itching. The limiting buffer ring 6 can not only limit the rear of the foot to prevent the rear of the foot from excessively moving to the right, but also play a buffering role when the rear of the foot is active or subjected to slight external force, reducing the hard impact on the rear of the foot and protecting the rear of the foot tissue. The left and right sides of the inner wall top of the L-shaped limiting plate 32 are respectively engaged with the inner walls of the two T-shaped limiting grooves 395 on the rear side, which can be The L-shaped limiting plate 32 is stably fixed at a specific position of the sole plate 1 to prevent the L-shaped limiting plate 32 from being displaced laterally or longitudinally during the operation of the arch adjustment mechanism 3, thereby ensuring stability during arch adjustment. At the same time, the design of the T-shaped limiting groove 395 allows the L-shaped limiting plate 32 to select different installation positions as needed, thereby improving the adaptability of the device. At the same time, the outer wall of the top column 33 is engaged with the inner wall of the inclined slot 394, which can fix the position of the top column 33, thereby enhancing the overall installation stability of the L-shaped limiting plate 32, avoiding shaking of the top column 33 during arch adjustment or patient foot movement, and ensuring the reliability of the arch support of the arch adjustment mechanism 3.
[0043] Working principle: First, when the device is put into use, the foot sole plate 1 of the required size is selected according to the needs of different groups of people. By adjusting the engagement position of the front card plate 21 and the hollow rear card plate 22 at the bottom of the foot sole plate 1, the limiting screw rod 261 will be engaged at different positions in the hollow rear card plate 22 as the distance between the front card plate 21 and the hollow rear card plate 22 changes. Subsequently, the limiting nuts 262 on both sides are rotated to limit and fix the adjusted position. At the same time, the tilt rod 24 will adapt to the adjusted position, thereby The U-shaped limiting block 25 is pushed to move above the limiting post 23. At the same time, the extrusion cap 272 is rotated to move along the screw 271, pushing the trapezoidal extrusion strip 273 to slide, causing the two engaging strips 274 to move away from each other, so that the limiting strip 275 is engaged with the corresponding engaging groove 276, completing the fixation of the U-shaped limiting block 25 and the limiting post 23, thereby further fixing the replaced sole plate 1. In addition, the buffer block 28 can reduce the impact between the leg and the U-shaped limiting block 25 during fixation, making the wearing experience more comfortable.
[0044] And through the arch adjustment mechanism 3, according to the condition of the ankle fracture that needs to be reset, the L-shaped limiting plate 32 is placed on the corresponding side, and the top column 33 is inserted into the inner side of the corresponding limiting hole 31, so that the top column 33 is engaged with the inclined groove 394 in the limiting hole 31. At the same time, the top of the top column 33 will push the spacer 393, thereby squeezing the reset spring 392, and the reset spring 392 on the other side will push the spacer 393 on the other side to engage with the limiting ring 391. Because the inclined groove 394 is hook-shaped, Under the reset action of the reset spring 392, the top column 33 is engaged with the bottom end of the inclined slot 394. Subsequently, gas is filled into the air bag 36 through the air nozzle 37, thereby changing the rotation angle of the T-shaped rotating plate 35 to adapt to the soles and arches of different people, so that the entire sole plate 1 can fit the soles of the feet more closely. At the same time, by changing the position of the limit nut 382 above the limit rod 381, the position of the entire hollow arch foot block 34 above the L-shaped limit plate 32 can be adjusted to accommodate different sizes of soles.
[0045] Finally, through the foot limiting mechanism 4, turn the fastening bolt 47 to release the lock between the connecting slider 46 and the slide groove 45, and adjust the position of the connecting slider 46 above the slide groove 45 according to the foot shape, so that the position of the T-shaped connecting block 44 and the L-shaped arc surface 43 can be adjusted to ensure that the entire T-shaped connecting block 44 and the L-shaped arc surface 43 can fit on the instep. Then, tighten the fastening bolt 47 to limit the adjusted position. At the same time, pass the tensioning belt 482 through the limiting square ring 481, pull the hair panel 483 to tighten the tensioning belt 482, and adhere it to the hair panel 483 through the double-sided hook plate 484 to further fix the device to the leg, thereby achieving the fixation of the entire device to the patient's leg and foot.
[0046] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A foot and ankle fracture reduction device, comprising a foot sole plate (1), characterized in that: The bottom of the sole plate (1) is provided with an adjustment engaging mechanism (2), and the adjustment engaging mechanism (2) can replace different sole plates (1) according to the use requirements of different groups of people. The front middle part of the sole plate (1) is provided with an arch adjusting mechanism (3), and the arch adjusting mechanism (3) is used for adjusting and installing according to the arch of the foot. The outer wall of the sole plate (1) is provided with a foot limiting mechanism (4), and the foot limiting mechanism (4) is used for fixing the device to the patient's legs and feet. The regulating engaging mechanism (2) comprises a front card plate (21) and a hollow rear card plate (22), the inner walls of the front card plate (21) and the hollow rear card plate (22) are respectively arranged on the left and right sides of the bottom of the foot sole plate (1), the inner walls of the front card plate (21) and the hollow rear card plate (22) are respectively engaged with the left and right sides of the bottom of the foot sole plate (1), the front and rear sides of the top of the hollow rear card plate (22) are fixedly connected to the limiting columns (23), and the two limiting columns (23) are fixedly connected to the limiting columns (23). The top ends are fixedly connected to U-shaped limiting blocks (25), the front and rear sides of the front card plate (21) are rotatably connected to tilting rods (24), the top ends of the two tilting rods (24) are rotatably connected to the front and rear sides of the corresponding U-shaped limiting blocks (25), a limiting component (26) is provided on the right part of the front card plate (21), a locking component (27) is provided on the top of the U-shaped limiting block (25), and a buffer block (28) is fixedly connected to the right side of the inner wall of the U-shaped limiting block (25).
2. The ankle fracture reduction device according to claim 1, characterized in that: The arch adjustment mechanism (3) includes a limiting hole (31), the outer wall of the limiting hole (31) is opened in the middle of the front side of the sole plate (1), an L-shaped limiting plate (32) is provided on the top rear side of the sole plate (1), the inner wall rear side of the L-shaped limiting plate (32) is fixedly connected to a top column (33), the top of the L-shaped limiting plate (32) is slidably connected to a hollow arch foot block (34), the inner wall front side of the hollow arch foot block (34) is rotatably connected to a T-shaped rotating plate (35), the bottom end of the inner wall of the hollow arch foot block (34) is fixedly connected to an air bag (36), the rear side of the air bag (36) is connected to an air nozzle (37), the rear part of the hollow arch foot block (34) is provided with an adjustment component (38), and the inner wall of the limiting hole (31) is provided with a locking component (39).
3. The ankle fracture reduction device according to claim 1, characterized in that: The foot limiting mechanism (4) comprises two limiting columns (41), the outer walls of the two limiting columns (41) are respectively fixedly connected to the front and rear sides of the right part of the foot sole plate (1), the outer wall of the limiting column (41) is rotatably connected to a connecting strip (42), the top ends of the two connecting strips (42) are both fixedly connected to an L-shaped arc surface (43), the left side of the L-shaped arc surface (43) is fixedly connected to a T-shaped connecting block (44), the front and rear sides of the right part of the foot sole plate (1) are both provided with a sliding groove (45), the inner wall of the sliding groove (45) is slidably connected to a connecting slider (46), the top ends of the two connecting sliders (46) are respectively fixedly connected to the front and rear sides of the corresponding T-shaped connecting block (44), the inner wall of the connecting slider (46) is threadedly connected to a fastening bolt (47), and the top of the adjusting engaging mechanism (2) is provided with a binding component (48).
4. The ankle fracture reduction device according to claim 1, characterized in that: The limiting assembly (26) includes two limiting screw rods (261), the left ends of the two limiting screw rods (261) are respectively fixedly connected to the front and rear sides of the right part of the front clamping plate (21), the outer walls of the two limiting screw rods (261) are engaged with the inner wall of the hollow rear clamping plate (22), and the left and right sides of the outer walls of the limiting screw rods (261) are both threadedly connected with limiting nuts (262).
5. The ankle fracture reduction device according to claim 1, characterized in that: The locking assembly (27) comprises a screw (271), the left end of which is fixedly connected to the middle of the right side of the U-shaped limiting block (25), the outer wall of the U-shaped limiting block (25) is threadedly connected to an extrusion cap (272), the top right side of the U-shaped limiting block (25) is slidably connected to a trapezoidal extrusion strip (273), the top front and rear sides of the U-shaped limiting block (25) are slidably connected to locking clips (274), the outer walls of the two locking clips (274) are fixedly connected to a plurality of limiting strips (275) on the side away from each other, the outer walls of the two limiting columns (23) are provided with a plurality of locking grooves (276) on the adjacent side, and the outer walls of the limiting strips (275) are locked with the inner walls of the corresponding locking grooves (276).
6. The ankle fracture reduction device according to claim 2, characterized in that: The adjustment assembly (38) includes a limiting rod (381), the left and right ends of which are respectively fixedly connected to the middle of the rear side of the hollow arch foot block (34), the outer wall of the limiting rod (381) is engaged with the rear side of the L-shaped limiting plate (32), and the left and right sides of the outer wall of the limiting rod (381) are both threadedly connected to the limiting nut (382).
7. The ankle fracture reduction device according to claim 2, characterized in that: The locking assembly (39) comprises two limiting rings (391), the outer walls of the two limiting rings (391) are respectively fixedly connected to the front and rear sides of the middle part of the inner wall of the limiting hole (31), a return spring (392) is provided in the middle part of the inner wall of the limiting hole (31), the front and rear ends of the return spring (392) are both fixedly connected to a spacer (393), the outer walls of the two spacer (393) are respectively engaged with the outer walls of the corresponding limiting rings (391), the front and rear sides of the inner wall of the limiting hole (31) are both provided with inclined slots (394), and the top middle part of the sole plate (1) is provided with a plurality of T-shaped limiting slots (395).
8. The ankle fracture reduction device according to claim 3, characterized in that: The binding assembly (48) includes a limiting square ring (481), the outer wall of the limiting square ring (481) is rotatably connected to the front side of the inner wall of the U-shaped limiting block (25), the rear side of the inner wall of the U-shaped limiting block (25) is fixedly connected to a tensioning belt (482), the right side of the tensioning belt (482) is fixedly connected to a hair panel (483), the right side of the hair panel (483) is provided with a double-sided hook plate (484), and the left side of the outer wall of the double-sided hook plate (484) is adhered to the right side of the hair panel (483).
9. The ankle fracture reduction device according to claim 1, characterized in that: A plurality of anti-skid and wear-resistant blocks (5) are fixedly connected to the left side of the top of the foot sole plate (1), and a limited buffer ring (6) is fixedly connected to the right side of the top of the foot sole plate (1).
10. The ankle fracture reduction device according to claim 7, characterized in that: The left and right sides of the top inner wall of the L-shaped limiting plate (32) are respectively engaged with the inner walls of the two rear T-shaped limiting grooves (395), and the outer wall of the top column (33) is engaged with the inner wall of the inclined groove (394).