Adjustable device for assisting double lower limbs in lifting and fixing body position for fracture patient
By designing an adjustable double lower limb fixation device, the problem that the existing device cannot be adjusted is solved, and coordinated fixation of the thigh, calf and ankle is achieved, which improves the rehabilitation effect and comfort of fracture patients.
Patent Information
- Application Number
- CN202511077819.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-01
- Publication Date
- 2025-09-23
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing lower limb fixation devices for fracture patients cannot be adjusted, resulting in too loose or too tight fixation, affecting blood circulation and stability of the fracture site, and lacking a coordinated fixation structure for the thigh, calf, and ankle.
An adjustable device including thigh, lower limb and ankle fixation mechanisms was designed. It uses components such as elastic connectors, electric telescopic rods and spiral disks to achieve multi-point flexible fixation of the thigh, calf and ankle to adapt to individual differences, and improve patient comfort through open slots and heat fumigation functions.
It achieves precise fixation of the thigh, calf and ankle, adapts to the individual differences of different patients, reduces tissue compression, and improves fracture healing effects and patient tolerance.
Smart Images
Figure CN120678612A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of body position fixation, and in particular to an adjustable device for assisting in raising the lower limbs and fixing the body position of a fracture patient. Background Art
[0002] During the rehabilitation process of fracture patients, the fixation and elevation of both lower limbs are key nursing measures to promote fracture healing, reduce local swelling, and prevent complications such as deep vein thrombosis. The adjustable device for raising and fixing the lower limbs is a medical assistive device designed specifically for fracture patients. It uses an adjustable structure to achieve synchronous or separate elevation and position fixation of both lower limbs, aiming to promote fracture healing, reduce patient pain, prevent complications, and adapt to the patient's position requirements at different stages of rehabilitation. It usually combines mechanical stability and ergonomic design and is an important auxiliary tool for lower limb position management during the fracture rehabilitation period.
[0003] In real life, most existing devices are fixed in size and cannot be adjusted according to individual differences such as the thickness of the patient's thigh and the length of the lower limbs. They are prone to fixation that is too loose, resulting in body position displacement, or fixation that is too tight, compressing local tissues and affecting blood circulation. In addition, most devices can only fix a certain part of the lower limb and lack a coordinated fixation structure for the thigh, calf, and ankle. It is difficult to ensure the stability of the fracture site. Even slight movement of the patient may cause the fracture end to shift, affecting healing. Summary of the Invention
[0004] In view of the above-mentioned shortcomings of the prior art, the present invention provides an adjustable device for assisting in raising the lower limbs and fixing the body position of patients with fractures, which can effectively solve the problem that the prior art cannot adjust and coordinate fixation.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: The present invention provides an adjustable device for assisting in raising the lower limbs and fixing the body position of a fracture patient, comprising: a fixing base, two thigh fixing mechanisms provided on the fixing base, a lower limb fixing mechanism provided on the thigh fixing mechanism, and an ankle fixing mechanism provided on the lower limb fixing mechanism; The thigh fixing mechanism includes a base plate, a fixing column is fixed to the middle part of the lower end of the base plate, the upper end of the base plate is rotatably connected to the support shell, a clamping plate 1 is symmetrically rotatably connected above the inner cavity of the base plate, and an elastic connecting piece is fixed to one end of the two clamping plates that are close to each other, a lower pressure plate is fixed to the upper end of the elastic connecting piece, a toothed plate is fixed to the middle part of the lower end of the lower pressure plate, a transmission gear rotatably connected to the base plate is provided below the toothed plate, and a lifting frame is fixed to one end of the base plate.
[0006] Preferably, the tooth plate and the transmission gear can be engaged with each other, and the base plate is fixed to the fixed base through a fixing column.
[0007] Preferably, the lower limb fixation mechanism includes two sealed shells, one of which is fixed on the supporting shell, a partition plate is fixed to the inner cavity of the sealed shell, a plurality of elastic fixing frames are fixed in an array on the upper end of the partition plate, an electric telescopic rod is symmetrically fixed between the two sealed shells, a cross transmission rod is provided between the two sealed shells, a cross sleeve is rotatably connected in both sealed shells, and a fixed roller is fixed on the sealed shell away from the supporting shell.
[0008] Preferably, the cross transmission rod is always located in the two cross sleeves, and the fixed roller is always slidably connected to the lifting frame.
[0009] Preferably, a plurality of open slots are arranged in an array on the upper end of the sealing shell, and one of the cross sleeves is fixedly connected to the transmission gear.
[0010] Preferably, the ankle fixation mechanism includes a support frame fixed on a sealed shell, a protective plate is fixed to the inner wall of the support frame, a fixed shell is fixed on the support frame, a spiral disk is rotatably connected inside the fixed shell, two movable frames adapted to the spiral disk are slidably connected inside the fixed shell, and a clamping plate 2 is fixed to the end of the movable frame away from the fixed shell.
[0011] Preferably, the fixed housing and the cross sleeve are connected by belt transmission.
[0012] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: First, the clamping plate is driven to open and close by an elastic connector, and the clamping amplitude can be automatically adjusted according to the thickness of the patient's thigh. The relative movement of the sealed shell driven by the electric telescopic rod in the lower limb fixation mechanism can adapt to the lower limb lengths of different patients; the ankle fixation mechanism can accurately adjust the ankle clamping force through the cooperation of the spiral disk and the movable frame to achieve full-dimensional adaptation from thigh to ankle. It has strong adaptability and can adapt to individual differences. It also adopts a collaborative fixing structure, and uses clamping plate one, elastic fixing frame, and clamping plate two to perform multi-point fixation on the thigh, calf, and ankle respectively, to avoid position displacement caused by fixation of a single part.
[0013] Second, the elastic connectors, elastic fixing frames, protective plates and other components adopt a flexible design, which can buffer the clamping force and avoid tissue damage caused by rigid compression; the open slots of the sealed shell and the array distribution of the elastic fixing frames can not only ensure the leg fit support, but also reduce local pressure, thereby improving the patient's tolerance for long-term use. The open slots can be combined with thermal fumigation therapy (such as hot air from moxa sticks) to take into account both fixation and auxiliary rehabilitation functions, expanding the clinical application scenarios of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.
[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the internal structure of the present invention; Figure 3 It is a partial structural schematic diagram of the present invention; Figure 4 This is a schematic diagram of the internal structure of the thigh fixing mechanism of the present invention; Figure 5 This is a schematic diagram of the internal structure of the lower limb fixation mechanism of the present invention; Figure 6 Schematic diagram of the internal structure of the ankle fixation mechanism of the present invention.
[0016] Figure numerals: 1. Fixed base; 2. Thigh fixing mechanism; 3. Lower limb fixing mechanism; 4. Ankle fixing mechanism; 21. Base plate; 22. Fixed column; 23. Support shell; 24. Clamping plate one; 25. Elastic connecting member; 26. Lower pressure plate; 27. Tooth plate; 28. Transmission gear; 29. Lifting frame; 31. Sealing shell; 32. Partition plate; 33. Elastic fixing frame; 34. Electric telescopic rod; 35. Cross transmission rod; 36. Fixed roller; 41. Support frame; 42. Protective plate; 43. Fixed shell; 44. Spiral disk; 45. Movable frame; 46. Clamping plate two. DETAILED DESCRIPTION
[0017] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. 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 any creative efforts shall fall within the scope of protection of the present invention.
[0018] The present invention will be further described below with reference to the embodiments.
[0019] Example: Refer to Figures 1 to 6An adjustable device for assisting in raising the lower limbs and fixing the body position of a fracture patient comprises: a fixed base 1, two thigh fixing mechanisms 2 are provided on the fixed base 1, a lower limb fixing mechanism 3 is provided on the thigh fixing mechanism 2, and an ankle fixing mechanism 4 is provided on the lower limb fixing mechanism 3.
[0020] Further explanation, in order to support and fix the patient's thigh, the following settings are made, such as Figure 4 As shown, the thigh fixing mechanism 2 includes a base plate 21, a fixing column 22 is fixed to the middle part of the lower end of the base plate 21, and the base plate 21 is fixed to the fixed base 1 through the fixing column 22, the upper end of the base plate 21 is rotatably connected to the support shell 23, and a clamping plate 24 is symmetrically rotatably connected above the inner cavity of the base plate 21, and an elastic connecting member 25 is fixed to one end of the two clamping plates 24 close to each other, and a lower pressure plate 26 is fixed to the upper end of the elastic connecting member 25, and a toothed plate 27 is fixed to the middle part of the lower end of the lower pressure plate 26, and a transmission gear 28 rotatably connected to the base plate 21 is provided below the toothed plate 27, and the toothed plate 27 and the transmission gear 28 can mesh with each other. A lifting frame 29 is fixed to one end of the base plate 21; Specifically, the fixing column 22 at the lower end of the base plate 21 is firmly connected to the fixed base 1, providing reliable support for the entire device, and the fixing column 22 is located in the fixed base 1 and can be rotated, and the width between the calves on both sides can be adjusted to the left and right directions to prevent excessive inward and outward adduction of the patient's lower limbs. The patient's legs are placed on the device, and under the action of the thigh's own weight, the lower pressure plate 26 can move downward. The lower pressure plate 26 drives the symmetrically arranged clamping plate 24 to rotate in the base plate 21 through the elastic connecting member 25, thereby realizing the adjustment of the opening and closing angle of the clamping plate 24, which can adapt to the thickness of the thighs of different patients, thereby accurately fixing the thigh area.
[0021] To further illustrate, the following settings are made to wrap and support the patient's lower limbs, such as Figure 5 As shown, the lower limb fixation mechanism 3 includes two sealed housings 31, each having a plurality of open slots arrayed in its upper end. One of the sealed housings 31 is fixed to the support housing 23. A partition plate 32 is fixed to the inner cavity of the sealed housing 31, and a plurality of elastic fixing brackets 33 are fixed in an array on the upper end of the partition plate 32. An electric telescopic rod 34 is symmetrically fixed between the two sealed housings 31. A cross transmission rod 35 is provided between the two sealed housings 31. A cross sleeve is rotatably connected to each of the two sealed housings 31, one of which is fixedly connected to the transmission gear 28. The cross transmission rod 35 is always located within the two cross sleeves. A fixed roller 36 is fixed to the sealed housing 31 away from the support housing 23. The fixed roller 36 is always slidably connected to the lifting frame 29. Specifically, when the electric telescopic rod 34 is extended or retracted, it will push the two sealed shells 31 to move axially relative to each other along the cross transmission rod 35, thereby adjusting the overall length of the lower limb fixation mechanism 3, which can adapt to the lower limb lengths of different patients and enhance the versatility of the device. It should be noted that the fixed roller 36 can be extended or retracted to ensure the adjustment of the lower limb fixation mechanism 3. Moreover, the fixed roller 36 on the sealed shell 31 away from the support shell 23 slides in the lifting frame 29, ensuring stability during the adjustment process and avoiding shaking during adjustment that affects the patient's lower limbs. The partition plate 32 in the sealed shell 31 divides the inner cavity into partitions, and the elastic fixing frame 33 at the upper end is in contact with the leg through an array arrangement, which can provide flexible support and avoid compressing the fracture site, while assisting in fixing the calf position.
[0022] Further explanation: In order to fix the patient's ankle and facilitate lifting, the following settings are made, such as Figure 6 As shown, the ankle fixation mechanism 4 includes a support frame 41 fixed to the sealed housing 31, a protective plate 42 is fixed to the inner wall of the support frame 41, a fixed housing 43 is fixed to the support frame 41, the fixed housing 43 is connected to the cross sleeve by a belt drive, a spiral disk 44 is rotatably connected in the fixed housing 43, two movable frames 45 adapted to the spiral disk 44 are slidably connected in the fixed housing 43, and a clamping plate 46 is fixed to the end of the movable frame 45 away from the fixed housing 43; It should be noted that the support frame 41 is fixed on the sealed shell 31 and can move synchronously with the lower limb fixation mechanism. The protective plate 42 on its inner wall provides effective cushioning protection for the ankle, reducing the pressure on the ankle. The fixed shell 43 is connected to the cross sleeve of the lower limb fixation mechanism through a belt drive. When the cross sleeve rotates, the spiral disk 44 in the fixed shell 43 will be driven to rotate through the transmission belt. The spiral disk 44 is adapted to the two movable frames 45. Its rotation can drive the movable frames 45 to slide toward or in opposite directions in the fixed shell 43, and then drive the clamping plate 2 46 to open and close, so as to achieve precise fixation of the ankle, and the fixing force can be adjusted by the rotation amplitude of the spiral disk 44, which meets the ankle fixation needs of different patients. By fixing the thigh and ankle, it can ensure that the patient's fracture site will not be displaced when the lower limb is raised.
[0023] The working principle of the present invention is as follows: the thigh fixing mechanism 2 is firmly connected to the fixing base 1 through the fixing column 22 at the lower end of the base plate 21, providing reliable support for the entire device, and the fixing column 22 is located in the fixing base 1 and can be rotated, and the width between the two legs can be adjusted in the left and right directions to prevent the patient's lower limbs from excessive adduction and abduction. When the patient's legs are placed on the device, under the action of the thigh's own weight, the lower pressure plate 26 can be moved downward, and the lower pressure plate 26 drives the symmetrically arranged clamping plate 1 24 to rotate in the base plate 21 through the elastic connecting member 25, so as to achieve the adjustment of the opening and closing angle of the clamping plate 1 24, which can adapt to the thickness of the thigh of different patients, thereby accurately fixing the thigh part. Among them, the elastic connecting member 25 can effectively buffer the clamping force, avoid excessive pressure on the patient's thigh, ensure the patient's comfort, and solve the problem that the existing device is easy to compress the patient during fixation. The support shell 23 provides a stable support surface for the thigh, and cooperates with the clamping plate 1 24 to further strengthen the body position fixation effect of the thigh part, preventing the fracture healing from being affected by body position changes; The support frame 41 of the ankle fixation mechanism 4 is fixed on the sealed shell 31 and can move synchronously with the lower limb fixation mechanism. The protective plate 42 on its inner wall provides effective cushioning protection for the ankle, reducing the pressure on the ankle. The fixed shell 43 is connected to the cross sleeve of the lower limb fixation mechanism through a belt transmission. When the cross sleeve rotates, the spiral disk 44 in the fixed shell 43 is driven to rotate through the transmission belt. The spiral disk 44 is adapted to the two movable frames 45. Its rotation can drive the movable frames 45 to slide toward or in the opposite direction in the fixed shell 43, thereby driving the clamping plate 2 46 to open and close, thereby achieving precise fixation of the ankle, and the fixing force can be adjusted by the rotation amplitude of the spiral disk 44 to meet the needs of the ankle. The invention meets the ankle fixation needs of different patients, and by fixing the thigh and ankle, it can ensure that the patient's fracture site will not shift when the lower limb is raised. The clamping plate 1 24 and the clamping plate 2 46 in the device can better fix the entire lower limb. The patient's lower limb can be lifted by rotating the support shell 23, and by twisting the friction block on the fixed roller 36 so that the friction block contacts the lifting frame 29, the entire lower limb fixation mechanism 3 and the ankle fixation mechanism 4 can be fixed at a certain height by friction. In order to save effort, a speed change device can be provided at the connection between the support shell 23 and the base plate 21, and the angle of the support shell 23 can be adjusted by gears of different sizes. When the electric telescopic rod 34 is extended or retracted, it will push the two sealed shells 31 to move axially relative to each other along the cross transmission rod 35, thereby adjusting the overall length of the lower limb fixation mechanism 3, which can adapt to the lower limb lengths of different patients and enhance the versatility of the device. It should be noted that the fixed roller 36 can be extended or retracted to ensure the adjustment of the lower limb fixation mechanism 3, and the fixed roller 36 on the sealed shell 31 away from the supporting shell 23 slides in the lifting frame 29, ensuring stability during the adjustment process and avoiding shaking during adjustment that affects the patient's lower limbs. The partition plate 32 in the sealed shell 31 divides the inner cavity, and the elastic fixing frame 33 at the upper end contacts the leg through an array arrangement, which can provide flexible support and avoid compressing the fracture site, while assisting in fixing the calf position, further improving the safety and reliability of fixation. By adding hot air generated by burning moxa sticks into the sealed shell 31, the patient's legs can be hot-fumigated through the open slot, and the left and right devices can be freely disassembled for independent use.
[0024] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the present invention.
Claims
1. An adjustable device for assisting the raising of the lower limbs and fixing the body position of a fracture patient, characterized in that: include: A fixed base (1), wherein the fixed base (1) is provided with two thigh fixing mechanisms (2), the thigh fixing mechanisms (2) are provided with lower limb fixing mechanisms (3), and the lower limb fixing mechanisms (3) are provided with ankle fixing mechanisms (4); The thigh fixing mechanism (2) includes a base plate (21), a fixing column (22) is fixed to the middle of the lower end of the base plate (21), the upper end of the base plate (21) is rotatably connected to the support shell (23), a clamping plate (24) is symmetrically rotatably connected above the inner cavity of the base plate (21), an elastic connecting member (25) is fixed to one end of the two clamping plates (24) close to each other, a lower pressure plate (26) is fixed to the upper end of the elastic connecting member (25), a tooth plate (27) is fixed to the middle of the lower end of the lower pressure plate (26), a transmission gear (28) rotatably connected to the base plate (21) is provided below the tooth plate (27), and a lifting frame (29) is fixed to one end of the base plate (21).
2. The adjustable device for assisting lower limb elevation and fixing body position for fracture patients according to claim 1, characterized in that: The tooth plate (27) and the transmission gear (28) can mesh with each other, and the base plate (21) is fixed to the fixed base (1) via a fixing column (22).
3. The adjustable device for assisting lower limb elevation and fixing body position for fracture patients according to claim 1, characterized in that: The lower limb fixing mechanism (3) comprises two sealed shells (31), one of the sealed shells (31) is fixed on the supporting shell (23), a partition plate (32) is fixed to the inner cavity of the sealed shell (31), a plurality of elastic fixing frames (33) are fixed in an array on the upper end of the partition plate (32), an electric telescopic rod (34) is symmetrically fixed between the two sealed shells (31), a cross transmission rod (35) is provided between the two sealed shells (31), a cross sleeve is rotatably connected in the two sealed shells (31), and a fixed roller (36) is fixed on the sealed shell (31) away from the supporting shell (23).
4. The adjustable device for assisting in raising the lower limbs and fixing the body position of a fracture patient according to claim 3, characterized in that: The cross transmission rod (35) is always located in the two cross sleeves, and the fixed roller (36) is always slidably connected in the lifting frame (29).
5. The adjustable device for assisting in raising the lower limbs and fixing the body position of a fracture patient according to claim 3, characterized in that: The upper end of the sealing housing (31) is provided with a plurality of open slots in an array, one of which is fixedly connected to the transmission gear (28).
6. The adjustable device for assisting lower limb elevation and fixing body position for fracture patients according to claim 3, characterized in that: The ankle fixing mechanism (4) includes a support frame (41) fixed on the sealing shell (31), a protective plate (42) is fixed on the inner wall of the support frame (41), a fixed shell (43) is fixed on the support frame (41), a spiral disk (44) is rotatably connected in the fixed shell (43), two movable frames (45) adapted to the spiral disk (44) are slidably connected in the fixed shell (43), and a clamping plate 2 (46) is fixed to one end of the movable frame (45) away from the fixed shell (43).
7. The adjustable device for assisting in raising the lower limbs and fixing the body position of a fracture patient according to claim 6, characterized in that: The fixed housing (43) is connected to the cross sleeve by a belt drive.