Lower limb fracture reduction device
By designing a lower limb fracture reduction device with angle adjustment assembly and moving roller, the problem of inconvenience of existing devices when the patient is moved is solved, and the patient can easily move and use during the reset process is achieved.
Patent Information
- Application Number
- CN202421294129.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing lower limb fracture reduction device is inconvenient to use when the patient moves, and it is difficult to meet the needs of patients in other places such as toilets during the reduction process.
A lower limb fracture reduction device including a support plate, a base plate, an angle adjustment assembly and a moving roller is designed to adjust the knee flexion angle of the patient through the angle adjustment assembly and facilitate movement of the patient through the moving roller.
It realizes the convenience of the patient to move and use during the reset process, and improves the portability and convenience of use of the device.
Smart Images

Figure CN222828715U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a lower limb fracture reduction device. Background Art
[0002] The bones of patients with fractures will crack, and some of them will be spliced together after cracking. After the splicing is completed, the bones need to be clamped and fixed to prevent the bones from cracking again. When performing a lower limb fracture reduction surgery, due to the fracture dislocation and deformation, the dislocation position needs to be well reset during the surgery before the next surgery can be performed; especially when a tibial fracture requires the implantation of an intramedullary nail, the patient is required to bend the knee to a certain angle after the reduction before the intramedullary nail can be implanted. Prior art publication number CN215019893U discloses a lower limb fracture reduction device, including a base and an adjustment component, the top surface of the base is provided with a mounting groove, and the mounting groove is provided with an adjustment component; the top surface of the base is provided with an adjustment plate; one side of the top surface of the adjustment plate is fixedly connected to a fixing plate, and the front and rear ends of the top surface of the adjustment plate are fixedly connected to a fixing frame; a threaded rod is threadedly connected in the threaded cylinder, and both ends of the inner side of the fixing frame are vertically movable with a reset plate, and the outer ends of the threaded rod are fixedly connected to a rectangular handle. The resetting device changes the angle of the adjusting plate by adjusting the assembly, which is convenient for patients with lower limb fractures to use, and the patient's lower limbs can be quickly relocated by pushing the resetting plate. However, during the resetting process, the patient inevitably needs to go to the toilet or other places, and the existing device is not convenient for the patient to move and is not convenient to use. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a lower limb fracture reduction device which can adjust the patient's knee flexion angle so as to facilitate the patient's movement and use.
[0004] The utility model discloses a lower limb fracture reduction device, comprising a support plate and a base plate, wherein the bottom left end of the support plate is connected to the top left end of the base plate through an angle adjustment component, a support component is installed on the top right end of the base plate, a side plate is fixedly connected to the top left end of the support plate, an ankle fixing component is installed on the side plate, a moving frame is fixedly connected to the lower part of the left side wall of the side plate, a plurality of moving rollers are rotatably installed inside the moving frame, and two groups of reduction components are installed on the front and rear ends of the top of the support plate; the reduction component is clamped and fixed to the patient's calf, and the patient's ankle is connected by fixing the ankle fixing component; the patient's knee flexion angle can be adjusted through the angle adjustment component, so that it is easy to use; when the patient moves, the side plate is placed on the ground, and the patient can be easily moved through the plurality of moving rollers, so that it is convenient to use.
[0005] Preferably, the angle adjustment assembly includes a rotating shaft, a support seat, a supporting iron rod, an electromagnet, a transmission and a driving motor, the support seat is fixedly connected to the top left end of the base plate, the bottom left end of the support plate is rotatably mounted on the support seat via a rotating shaft, the input end of the rotating shaft is connected to the output end of the transmission, the input end of the transmission is connected to the output end of the driving motor, the top right end of the base plate is fixedly connected to the supporting iron rod, and the bottom right end of the support plate is installed with an electromagnet at a position corresponding to the supporting iron rod; when in use, the electromagnet is powered off to separate it from the adsorption of the supporting iron rod, the driving motor is started to drive the rotating shaft to rotate through the transmission, so that the support plate adjusts the inclination angle, thereby adjusting the patient's knee flexion angle, which is easy to use. When the patient needs to move, the support plate is adjusted to a horizontal level so that the electromagnet is adsorbed and fixed to the supporting iron rod to ensure stability during movement.
[0006] Preferably, the support assembly includes a supporting oblique rod, a limiting rack and limiting teeth. The upper end of the supporting oblique rod is rotatably installed in the middle of the bottom end of the support plate. A fixed groove is opened at the top right end of the bottom plate, and the limiting rack is installed in the fixed groove. The lower end of the supporting oblique rod is movably installed with limiting teeth, and the limiting teeth cooperate with the limiting rack. When the support plate rotates to adjust the patient's knee flexion angle, the limiting teeth are driven to move on the limiting rack through the supporting oblique rod. After the adjustment is completed, the limiting teeth cooperate with the limiting rack to support the bottom of the support plate to ensure stability during use.
[0007] Preferably, the ankle fixation assembly includes a rotating rod, two limit sliders, two movable arms and two arc-shaped fixed frames. An adjusting slot is provided on the right side wall of the side panel. The rotating rod is rotatably installed in the adjusting slot. Threaded slots are symmetrically provided at the front and rear ends of the rotating rod. Two limit sliders are movably installed in the adjusting slot, and the limit sliders are screwed on the outer wall of the rotating rod. The right end of the limit slider is fixedly connected to the movable arm, and the other end of the movable arm is fixedly connected to the arc-shaped fixed frame. A sponge pad is provided on the inner wall of the arc-shaped fixed frame. After the patient steps on the right end of the side panel, the rotating rod is rotated to drive the two limit sliders to approach each other, and the limit slider drives the arc-shaped fixed frame to move, so as to clamp and fix the patient's ankle, thereby ensuring stability during exercise and improving safety.
[0008] Preferably, the reset assembly comprises two groups of fixed plates, two groups of first screw rods, two groups of pushing plates, two groups of second screw rods and two groups of reset plates, the two groups of fixed plates are respectively fixedly mounted on the left and right sides of the front and rear ends of the supporting plate, the first screw rod is rotatably mounted on the outer wall of the fixed plate, the outer wall of the first screw rod is screwed with a pushing plate, the left and right ends of the pushing plate are screwed with the second screw rod, the opposite ends of the front and rear groups of second screw rods are movably connected with the reset plate, and the reset plate is slidably mounted on the top of the supporting plate; the second screw rod is rotated respectively to push the reset plate to move on the top of the supporting plate so that the reset plate contacts the patient's skin, the reset plate is movably connected to the second screw rod, so that the reset plate can fully contact the patient, and the two groups of reset plates can be reset and fixed at different positions of the patient's legs to ensure the reset effect, the first screw rod can be rotated to adjust the distance between the front and rear push plates, and the reset plate can be fine-tuned to improve the convenience during use.
[0009] Preferably, the tops of the front and rear reset plates are fixedly connected with a connecting seat, the connecting seat is connected with an elastic strap, and the middle part of the top end of the support plate is fixedly connected with an arc-shaped support pad; the arc-shaped support pad is used to support the lower side of the patient's lower limbs to improve comfort during use, and after the elastic strap is fixed to the reset plate through the connecting seat, the patient's lower limbs can be further limited to ensure safety.
[0010] Compared with the prior art, the utility model has the following beneficial effects: the patient's ankle is connected by the ankle fixing component through the resetting component, the patient's knee flexion angle can be adjusted by the angle adjustment component, and it is easy to use; when the patient moves, the side panels are placed on the ground, and the patient can be easily moved through multiple moving rollers, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;
[0013] Figure 3 It is a schematic diagram of the structure of the utility model viewed from above;
[0014] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;
[0015] Figure 5 It is a left-side cross-sectional structural schematic diagram of the utility model;
[0016] Markings in the attached drawings: 1. support plate; 2. bottom plate; 3. rotating shaft; 4. support seat; 5. support iron rod; 6. electromagnet; 7. support diagonal rod; 8. limit rack; 9. limit teeth; 10. side plate; 11. moving frame; 12. moving roller; 13. transmission; 14. driving motor; 15. rotating rod; 16. limit slider; 17. moving arm; 18. arc-shaped fixed frame; 19. fixed plate; 20. first screw rod; 21. pushing plate; 22. second screw rod; 23. reset plate; 24. arc-shaped support pad; 25. elastic strap; 26. connecting seat. DETAILED DESCRIPTION
[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0018] Example 1
[0019] like Figure 1 , Figure 3 and Figure 5 As shown, the support seat 4 is fixedly connected to the top left end of the base plate 2, the bottom left end of the support plate 1 is rotatably mounted on the support seat 4 through the rotating shaft 3, the input end of the rotating shaft 3 is connected to the output end of the transmission 13, the input end of the transmission 13 is connected to the output end of the driving motor 14, the top right end of the base plate 2 is fixedly connected to the support iron rod 5, the bottom right end of the support plate 1 is installed with an electromagnet 6 at a position corresponding to the support iron rod 5, the top left end of the support plate 1 is fixedly connected to the side plate 10, the side plate 10 is installed with an ankle fixing assembly, the lower part of the left side wall of the side plate 10 is fixedly connected to the moving frame 11, and the moving frame 11 is rotatably mounted inside There are multiple moving rollers 12, two groups of fixed plates 19 are respectively fixedly installed on the left and right sides of the front and rear ends of the support plate 1, the first screw rod 20 is rotatably installed on the outer wall of the fixed plate 19, a push plate 21 is screwed on the outer wall of the first screw rod 20, and the left and right ends of the push plate 21 are screwed with second screw rods 22, and the opposite ends of the front and rear groups of second screw rods 22 are movably connected with a reset plate 23, and the reset plate 23 is slidably installed on the top of the support plate 1, and the tops of the front and rear reset plates 23 are fixedly connected with a connecting seat 26, and the connecting seat 26 is connected with an elastic band 25, and the middle of the top of the support plate 1 is fixedly connected with an arc-shaped support pad 24;
[0020] The arc-shaped support pad 24 supports the lower side of the patient's lower limbs to improve comfort during use. The second screw rod 22 is rotated separately to push the reset plate 23 to move on the top of the support plate 1 so that the reset plate 23 contacts the patient's skin. The reset plate 23 is movably connected to the second screw rod 22, so that the reset plate 23 can fully contact the patient. The two sets of reset plates 23 can be used to reset and fix different positions of the patient's legs to ensure the reset effect. The first screw rod 20 can be rotated to adjust the distance between the front and rear push plates 21, and the reset plate 23 can be fine-tuned to improve convenience during use. The elastic strap 25 is passed through After the connecting seat 26 is fixed on the reset plate 23, the patient's lower limbs can be further limited to ensure safety. When in use, the electromagnet 6 is powered off to separate it from the adsorption of the supporting iron rod 5, and the driving motor 14 is started to drive the rotating shaft 3 to rotate through the transmission 13, so that the support plate 1 can adjust the inclination angle, thereby adjusting the patient's knee flexion angle for easy use. When the patient needs to move, the support plate 1 is adjusted to be horizontal so that the electromagnet 6 and the supporting iron rod 5 are adsorbed and fixed to ensure stability during movement. When the patient moves, the side panel 10 is placed on the ground, and the patient can be easily moved through a plurality of moving rollers 12 for convenient use.
[0021] Example 2
[0022] like Figure 2 , Figure 4 and Figure 5 As shown, on the basis of Example 1, it also includes an adjusting slot on the right side wall of the side plate 10, a rotating rod 15 is rotatably installed in the adjusting slot, and threaded grooves are symmetrically provided at the front and rear ends of the rotating rod 15, two limit sliders 16 are movably installed in the adjusting slot, and the limit sliders 16 are screwed on the outer wall of the rotating rod 15, a moving arm 17 is fixedly connected to the right end of the limit slider 16, and an arc-shaped fixed frame 18 is fixedly connected to the other end of the moving arm 17, and a sponge pad is provided on the inner wall of the arc-shaped fixed frame 18, the upper end of the supporting inclined rod 7 is rotatably installed at the middle part of the bottom end of the supporting plate 1, a fixing slot is provided at the top right end of the bottom plate 2, a limiting rack 8 is installed in the fixing slot, and a limiting tooth 9 is movably installed at the lower end of the supporting inclined rod 7, and the limiting tooth 9 cooperates with the limiting rack 8;
[0023] When the support plate 1 is rotated to adjust the patient's knee flexion angle, the supporting oblique rod 7 drives the limit teeth 9 to move on the limit rack 8. After the adjustment is completed, the limit teeth 9 cooperate with the limit rack 8 to support the bottom of the support plate 1 to ensure stability during use. After the patient steps on the right end of the side plate 10, the rotating rod 15 is rotated to drive the two limit sliders 16 to approach each other, and the limit slider 16 drives the arc-shaped fixed frame 18 to move to clamp and fix the patient's ankle, thereby ensuring stability during use and improving safety.
[0024] like Figures 1 to 5As shown, a lower limb fracture reduction device of the utility model, when working, after the patient steps on the right end of the side plate 10, the rotating rod 15 drives the two limiting sliders 16 to approach each other, and the limiting slider 16 drives the arc-shaped fixing frame 18 to move, clamping and fixing the patient's ankle. The arc-shaped support pad 24 supports the lower side of the patient's lower limb, and the second screw rod 22 is rotated respectively to push the reduction plate 23 to move on the top of the support plate 1 so that the reduction plate 23 contacts the patient's skin. The reduction plate 23 is movably connected to the second screw rod 22, so that the reduction plate 23 can contact the patient's skin in an all-round way. The two groups of reduction plates 23 can be used to reduce and fix different positions of the patient's leg. The first screw rod 20 can be rotated to adjust the distance between the front and rear push plates 21, and the reduction plate 23 can be adjusted. Fine adjustment is performed, and after the elastic bandage 25 is fixed to the reset plate 23 through the connecting seat 26, the patient's lower limbs are further limited, the electromagnet 6 is powered off to separate it from the adsorption of the supporting iron rod 5, and the driving motor 14 is started to drive the rotating shaft 3 to rotate through the transmission 13, so that the support plate 1 adjusts the inclination angle, thereby adjusting the patient's knee flexion angle. When the support plate 1 rotates to adjust the patient's knee flexion angle, the limiting teeth 9 are driven to move on the limiting rack 8 through the supporting inclined rod 7. After the adjustment is completed, the limiting teeth 9 cooperate with the limiting rack 8 to support the bottom of the support plate 1. When the patient wants to move, the support plate 1 is adjusted to be horizontal, so that the electromagnet 6 is adsorbed and fixed to the supporting iron rod 5, and the side plate 10 is placed on the ground. The patient can be easily moved through multiple moving rollers 12.
[0025] The electromagnet 6, the transmission 13 and the drive motor 14 of the lower limb fracture reduction device of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for creative labor by technicians in the field.
[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A lower limb fracture reduction device, characterized in that: The invention comprises a support plate (1) and a bottom plate (2), wherein the bottom left end of the support plate (1) is connected to the top left end of the bottom plate (2) via an angle adjustment component, a support component is installed at the top right end of the bottom plate (2), the top left end of the support plate (1) is fixedly connected to a side plate (10), an ankle fixing component is installed on the side plate (10), a moving frame (11) is fixedly connected to the lower part of the left side wall of the side plate (10), a plurality of moving rollers (12) are rotatably installed inside the moving frame (11), and two sets of reset components are installed at the front and rear ends of the top of the support plate (1); The reset assembly comprises two groups of fixed plates (19), two groups of first screw rods (20), two groups of push plates (21), two groups of second screw rods (22) and two groups of reset plates (23). The two groups of fixed plates (19) are respectively fixedly mounted on the left and right sides of the front and rear ends of the support plate (1). The first screw rod (20) is rotatably mounted on the outer wall of the fixed plate (19). The push plate (21) is screwed on the outer wall of the first screw rod (20). The second screw rod (22) is screwed on the left and right ends of the push plate (21). The opposite ends of the front and rear groups of second screw rods (22) are movably connected to the reset plate (23). The reset plate (23) is slidably mounted on the top of the support plate (1).
2. A lower limb fracture reduction device as claimed in claim 1, characterized in that: The angle adjustment component comprises a rotating shaft (3), a support seat (4), a supporting iron rod (5), an electromagnet (6), a transmission (13) and a driving motor (14); the supporting seat (4) is fixedly connected to the top left end of the base plate (2); the bottom left end of the supporting plate (1) is rotatably mounted on the supporting seat (4) via the rotating shaft (3); the input end of the rotating shaft (3) is connected to the output end of the transmission (13); the input end of the transmission (13) is connected to the output end of the driving motor (14); the top right end of the base plate (2) is fixedly connected to the supporting iron rod (5); and the electromagnet (6) is mounted at a position corresponding to the bottom right end of the supporting plate (1) and the supporting iron rod (5).
3. A lower limb fracture reduction device as claimed in claim 1, characterized in that: The support assembly comprises a support oblique rod (7), a limiting rack (8) and a limiting tooth (9), wherein the upper end of the support oblique rod (7) is rotatably mounted on the middle part of the bottom end of the support plate (1), a fixing groove is provided at the top right end of the bottom plate (2), the limiting rack (8) is installed in the fixing groove, and the lower end of the support oblique rod (7) is movably mounted with the limiting tooth (9), and the limiting tooth (9) cooperates with the limiting rack (8).
4. A lower limb fracture reduction device as claimed in claim 1, characterized in that: The ankle fixing assembly comprises a rotating rod (15), two limiting sliders (16), two movable arms (17) and two arc-shaped fixed frames (18). An adjusting slot is provided on the right side wall of the side plate (10). The rotating rod (15) is rotatably mounted in the adjusting slot. The rotating rod (15) is symmetrically provided with threaded slots at the front and rear ends. The two limiting sliders (16) are movably mounted in the adjusting slot. The limiting sliders (16) are screwed on the outer wall of the rotating rod (15). The right end of the limiting slider (16) is fixedly connected to the movable arm (17). The other end of the movable arm (17) is fixedly connected to the arc-shaped fixed frame (18). A sponge pad is provided on the inner wall of the arc-shaped fixed frame (18).
5. A lower limb fracture reduction device as claimed in claim 1, characterized in that: A connecting seat (26) is fixedly connected to the tops of the front and rear reset plates (23), an elastic binding belt (25) is connected to the connecting seat (26), and an arc-shaped supporting pad (24) is fixedly connected to the middle of the top end of the supporting plate (1).