Lower limb lifting cushion
By designing a detachable lower limb elevation pad body, combined with a length and height adjustment mechanism, the problem of existing lower limb elevation pads being unable to simultaneously elevate both lower limbs and adjust the height and length has been solved, achieving improved stability and adaptability, and enhancing the user experience and comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE 980TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-17
AI Technical Summary
Existing lower limb elevation pads cannot simultaneously and stably elevate both lower limbs, and their height and length cannot be adjusted according to the patient's specific needs, resulting in inconvenience and poor effectiveness.
Design a detachable lower limb elevation pad body, including an adjustable length and height mechanism, equipped with a limiting plate and foot restraint mechanism, to improve stability and adaptability through plug-in and height adjustment mechanism.
It achieves stability and flexible adjustment of height and length when raising both lower limbs, improving the effectiveness and applicability, and enhancing comfort and convenience.
Smart Images

Figure CN224126221U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a nursing positioning pad, specifically a lower limb elevation pad. Background Technology
[0002] A lower limb elevation pad is a medical surgical positioning pad primarily used to elevate the patient's lower limbs, promote blood return, reduce swelling and pain in the affected limb, and prevent lower limb deep vein thrombosis. Existing lower limb elevation pads typically consist of a pad block and a recess at the top of the pad block for placing the lower limb. However, they often have the following drawbacks in clinical use:
[0003] (1) Existing lower limb elevation pads can usually only be used to elevate one lower limb. When both lower limbs of the patient need to be elevated, two lower limb elevation pads are required. However, the two lower limb elevation pads are not a whole and the structure is unstable. They are easy to shift between the two lower limb elevation pads when the limbs are moving. The family needs to repeatedly reposition them. Otherwise, the position will be unsuitable, affecting the patient's comfort and the effectiveness of use.
[0004] (2) The length of the lower limbs of patients varies, and the height to which the affected limbs need to be raised varies depending on the condition. However, the existing lower limb elevation pads are fixed in size and cannot be adjusted according to actual usage needs. Therefore, they cannot meet the usage needs of different patients, have a small scope of application, and have poor usage effects. Summary of the Invention
[0005] To address the aforementioned shortcomings in the existing technology, this utility model aims to provide a lower limb elevation pad to expand its applicability and improve its effectiveness.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a lower limb elevation pad, comprising two lower limb elevation pad bodies that are detachably connected side by side; the lower limb elevation pad body includes a first pad block, a second pad block that is disposed side by side at the rear end of the first pad block and is separated from the first pad block, a length adjustment mechanism disposed between the first pad block and the second pad block for adjusting the distance between the first pad block and the second pad block, a first height adjustment mechanism fixed to the bottom of the first pad block for adjusting the height of the first pad block, and a second height adjustment mechanism fixed to the bottom of the second pad block for adjusting the height of the second pad block.
[0007] As a limitation of this utility model, the lower limb elevation pad body also includes a limiting plate that is slidably connected to the top of the second pad block and can be positioned by a sliding mechanism, and a foot restraint mechanism is fixed on the limiting plate.
[0008] As another limitation of this utility model, the length adjustment mechanism includes a threaded rod member that passes through the second pad and is threadedly connected to the second pad, and a fastening nut that is threadedly connected to the end of the threaded rod member away from the first pad, wherein the end of the threaded rod member away from the fastening nut is rotatably connected to the first pad.
[0009] As a further limitation of this utility model, the length adjustment mechanism also includes an adjustment guide member disposed between the first pad and the second pad; the adjustment guide member includes at least one sliding rod fixedly disposed at the front end of the second pad, the sliding rod being slidably connected inside the first pad.
[0010] As a third limitation of this utility model, the two lower limb elevation pad bodies are detachably connected together by a plug-in mechanism; the plug-in mechanism includes multiple plug-in slots fixed on the side of one lower limb elevation pad body, and multiple plug-in blocks fixed on the side of the other lower limb elevation pad body corresponding to the multiple plug-in slots, the plug-in blocks and plug-in slots being adapted to each other so that each plug-in block can be plugged into the corresponding plug-in slot.
[0011] As a further limitation of this utility model, the first height adjustment mechanism and the second height adjustment mechanism have the same structure; the first height adjustment mechanism includes a plurality of height-adjustable support feet fixedly disposed at the bottom of the first pad, and the support feet include a base plate, a threaded post fixedly disposed at the top of the base plate, a sleeve threadedly connected to the outside of the threaded post, and a connecting plate fixedly disposed at the top of the sleeve for fixed connection with the bottom of the first pad.
[0012] As a further definition of this utility model, the first pad includes a first block and a first arc-shaped groove formed on the top of the first block, and the second pad includes a second block and a second arc-shaped groove formed on the top of the second block.
[0013] As a further limitation of this utility model, a memory foam layer is fixedly provided on the upper surface of both the first pad and the second pad, and an anti-slip block is fixedly provided on the upper surface of the memory foam layer.
[0014] As a fourth limitation of this utility model, both the first pad and the second pad are fixedly provided with a leg restraint mechanism.
[0015] As a further limitation of this utility model, it also includes a first base inserted at the bottom of the first height adjustment mechanism and a second base inserted at the bottom of the second height adjustment mechanism, wherein the bottom surface of the first base and the bottom surface of the second base are on the same plane.
[0016] By adopting the above-mentioned technical solution, the beneficial effects achieved by this utility model compared with the prior art are as follows:
[0017] (1) In this utility model, the two lower limb elevation pads are detachably connected together. Users can choose to use one or both lower limb elevation pads depending on their needs. When both lower limbs need to be elevated, the two lower limb elevation pads are connected together to form a single unit. During use, the two lower limb elevation pads will not shift, ensuring structural stability and effectively improving the performance. Furthermore, the lower limb elevation pads in this utility model adopt a structure combining a first pad, a second pad, a length adjustment mechanism, a first height adjustment mechanism, and a second height adjustment mechanism. This allows for adjustment of the height and length of the lower limb elevation pads according to actual needs, thereby meeting the needs of more patients and effectively improving the applicability and performance of this utility model.
[0018] (2) The present invention is provided with a limiting plate and a foot restraint mechanism, which can limit the patient's foot and prevent the patient from foot drop. Furthermore, the limiting plate is slidably connected to the second pad, and the position of the limiting plate can be adjusted according to the actual situation of the patient to achieve the limitation of the patient's foot, which can improve the practicality of the present invention and expand the scope of application of the present invention.
[0019] (3) The present invention has a simple structure, low manufacturing cost and convenient use. When it is necessary to adjust the length of the present invention, it is only necessary to rotate the threaded rod component to make the first pad and the second pad move away from each other until the overall length of the present invention is compatible with the length of the patient's lower limb. When it is necessary to adjust the height of the present invention, it is only necessary to adjust the height of the first height adjustment mechanism and the second height adjustment mechanism.
[0020] (4) The two lower limb elevation pads of this utility model are detachably connected together by a plug-in mechanism. The plug-in mechanism has a simple and reasonable structure, which makes the disassembly and installation of this utility model very convenient and can improve the ease of use.
[0021] (5) This utility model is provided with a memory foam layer, which can improve the comfort of use. In addition, the structure of this utility model with anti-slip block and leg restraint mechanism working together can prevent the lower limbs from slipping during use.
[0022] (6) The present invention is provided with a first base and a second base. The bottom surface of the first base and the bottom surface of the second base are on the same plane. When in use, the bottom of the first base and the second base are placed on the hospital bed, which can make the present invention more stable and effectively improve the stability of the present invention.
[0023] In summary, this utility model has a simple structure, low manufacturing cost, is convenient to use, and is highly practical. It can elevate one lower limb individually or both lower limbs simultaneously, exhibiting high structural stability and good performance. Furthermore, the height and length of the lower limb elevation pad can be adjusted according to actual needs, thus meeting the needs of more patients and effectively improving its applicability and effectiveness. This utility model is suitable for use in clinical medical settings where lower limb elevation is required. Attached Figure Description
[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0025] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;
[0026] Figure 2 This is a schematic diagram of the structure after removing the first base, the second base, and the cover box in an embodiment of this utility model;
[0027] Figure 3 This is a structural diagram of the present invention from another angle after the first base, the second base, and the cover box have been removed;
[0028] Figure 4 This is a schematic diagram of the sliding mechanism in an embodiment of the present invention;
[0029] Figure 5 This is a schematic diagram showing the cover box being disassembled from the second pad in an embodiment of the present invention;
[0030] Figure 6 This is a schematic diagram of the cover box being disassembled from the second pad in an embodiment of the present invention from another angle;
[0031] In the diagram: 1. First pad; 2. Second pad; 3. Threaded rod component; 4. Sliding rod; 5. Fastening nut; 6. Limiting plate; 7. Foot restraint mechanism;
[0032] 8. Sliding mechanism; 81. Sliding rail; 82. Slider; 83. Positioning screw;
[0033] 9. Leg restraint mechanism; 10. Base plate; 11. Threaded post; 12. Sleeve; 13. Connecting plate; 14. First base; 15. Second base; 16. Cover box; 17. Box body insertion slot. Detailed Implementation
[0034] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present invention.
[0035] Example 1: A lower limb elevation pad
[0036] like Figure 1-3 As shown, this embodiment includes two lower limb elevation pad bodies arranged side by side, which are detachably connected together by a plug-in mechanism. Each lower limb elevation pad body includes a first pad 1, a second pad 2 located side-by-side at the rear end of the first pad 1 and separated from it, a length adjustment mechanism located between the first pad 1 and the second pad 2 for adjusting the distance between them, a first height adjustment mechanism fixed to the bottom of the first pad 1 for adjusting its height, a second height adjustment mechanism fixed to the bottom of the second pad 2 for adjusting its height, a limiting plate 6 on the second pad 2, a first base 14 inserted into the bottom of the first height adjustment mechanism, and a second base 15 inserted into the bottom of the second height adjustment mechanism. The bottom surfaces of the first base 14 and the second base 15 are on the same plane. The use of terms such as "front" and "rear" or positional relationships in this embodiment is based on the figures in this utility model specification. Figure 1 The orientation relationships are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component must have a specific orientation, or that it must be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the content protected by this utility model.
[0037] The first pad 1 includes a right-angled trapezoidal block and a first arc-shaped groove on the top of the right-angled trapezoidal block, wherein the right-angled trapezoidal block is made of plastic material. The second pad 2 includes a cuboid block and a second arc-shaped groove on the top of the cuboid block, wherein the cuboid block is made of plastic material.
[0038] The length adjustment mechanism includes a threaded rod member 3 threaded through the second pad 2 and connected to the second pad 2, a fastening nut 5 threaded to the threaded rod member 3 at one end away from the first pad 1, and an adjustment guide member disposed between the first pad 1 and the second pad 2. One end of the threaded rod member 3 away from the fastening nut 5 is rotatably connected to the first pad 1. The adjustment guide member includes at least one sliding rod 4 fixed to the front end of the second pad 2, and the sliding rod 4 is slidably connected within the first pad 1. Specifically, in this embodiment, a sliding rod 4 is fixed at each position on both sides of the threaded rod member 3 at the front end of the second pad 2. The sliding rod 4 is a round rod. A cylindrical groove adapted to the sliding rod 4 is provided at each position on the first pad 1 corresponding to the two sliding rods 4, allowing the two sliding rods 4 to slide stably within the two cylindrical grooves. Furthermore, a cover box 16 for covering the threaded rod member 3 and the fastening nut 5 is detachably connected to the rear side of the second pad 2 at a position corresponding to the threaded rod member 3. Specifically, the cover box 16 is made of plastic, such as... Figure 5 , Figure 6The cover box 16 shown is a rectangular box with an opening on one side. The cavity in the rectangular box can accommodate the threaded rod component 3 and the fastening nut 5 to cover the threaded rod component 3 and the fastening nut 5. The corresponding second pad 2 has a box insertion groove 17 adapted to the rectangular box on its rear side. The front end of the rectangular box can be stably inserted into the box insertion groove 17.
[0039] The limiting plate 6 is slidably connected to the top of the second pad 2 via the sliding mechanism 8. A foot restraint mechanism 7 is fixedly mounted on the limiting plate 6. The foot restraint mechanism 7 includes two foot restraint straps, which are attached together using Velcro. Figure 2 As shown, the sliding mechanism 8 includes two sliding rails 81 spaced side-by-side on the top of the second pad 2. Each sliding rail 81 has a slider 82 slidably connected to it. Each slider 82 has a positioning screw 83. The two sliders 82 are fixed at corresponding positions on the bottom of the limiting plate 6. The limiting plate 6 includes a rectangular plate, and a connecting block is fixed at each position opposite to the four sliders 82. Each connecting block is fixedly connected to its corresponding slider 82. Specifically, in this embodiment, as... Figure 4 As shown, the sliding rail 81 is a C-shaped channel steel, and the slider 82 is a rectangular block. The rectangular block is compatible with the C-shaped channel steel. When it is necessary to position the rectangular block on the C-shaped channel steel, simply tighten the positioning screw 83. When it is necessary to release the positioning, simply loosen the positioning screw 83.
[0040] The insertion mechanism includes multiple insertion slots fixed on the side of one of the lower limb elevation pad bodies, and multiple insertion blocks fixed on the side of the other lower limb elevation pad body corresponding to the multiple insertion slots. The insertion blocks are adapted to the insertion slots so that each insertion block can be inserted into the corresponding insertion slot. In this embodiment, the insertion slot is a circular slot and the insertion block is a cylindrical block.
[0041] The first height adjustment mechanism includes multiple height-adjustable support feet fixed to the bottom of the first pad 1. Each support foot includes a base plate 10, a threaded post 11 fixed to the top of the base plate 10, a sleeve 12 threaded to the outside of the threaded post 11, and a connecting plate 13 fixed to the top of the sleeve 12 for fixed connection with the bottom of the first pad 1. The first height adjustment mechanism and the second height adjustment mechanism have the same structure, so the structure of the second height adjustment mechanism will not be described in detail. The difference is that the first height adjustment mechanism is fixed to the bottom of the first pad 1, and the second height adjustment mechanism is fixed to the bottom of the second pad 2. Specifically, in this embodiment, one support foot is fixed at each of the four corners of the bottom of the first pad 1, and one support foot is fixed at each of the four foot positions of the bottom of the second pad 2.
[0042] The first base 14 includes a rectangular first plate. A first base plate limiting groove is formed on the first plate at a position corresponding to the base plate 10 of each support leg in the first height adjustment mechanism. The shape and size of the first base plate limiting groove are adapted to the shape and size of the corresponding support leg base plate 10 so that all support leg base plates 10 are stably inserted into the first plate. The second base 15 includes a rectangular second plate. A second base plate limiting groove is formed on the second plate at a position corresponding to the base plate 10 of each support leg in the second height adjustment mechanism. The shape and size of the second base plate limiting groove are adapted to the shape and size of the corresponding support leg base plate 10 so that all support leg base plates 10 are stably inserted into the second plate. The bottom surfaces of the first plate and the second plate are on the same plane.
[0043] To improve the comfort of this embodiment, a memory foam layer is fixed on the upper surface of both the first pad 1 and the second pad 2. Specifically, a memory foam layer is fixed on the outer surface of the inclined surface and the outer surface of the first arc groove in the right-angled trapezoidal block, and a memory foam layer is fixed on the outer surface of the second arc groove in the cuboid block. The memory foam layer is completely in contact with the outer surface of the inclined surface, the outer surface of the first arc groove, and the outer surface of the second arc groove in the right-angled trapezoidal block.
[0044] To improve the anti-slip effect and practicality of this embodiment, multiple rubber anti-slip blocks are fixed on the upper surface of the memory foam layer. In this embodiment, the anti-slip blocks are circular protrusions. In addition, leg restraint mechanisms 9 are fixed on both the first pad 1 and the second pad 2. The leg restraint mechanism 9 includes two leg restraint straps, which are attached together by Velcro. Specifically, in this embodiment, two leg restraint straps are fixed opposite to each other on the two sides of the first pad 1, and two leg restraint straps are fixed opposite to each other on the two sides of the second pad 2.
[0045] Before using this embodiment, the method for adjusting the length of the lower limb elevation pad body is as follows: When it is necessary to lengthen the lower limb elevation pad body, loosen the fastening nut 5 and rotate the threaded rod component 3 to move the first pad 1 away from the second pad 2 until it reaches a suitable position. Then stop rotating the threaded rod component 3 and tighten the fastening nut 5. When it is necessary to shorten the length of the lower limb elevation pad body, the operation is reversed. The method for adjusting the height of the lower limb elevation pad body is as follows: First, remove the first base 14 and the second base 15, and then adjust the height of the first height adjustment mechanism and the second height adjustment mechanism respectively. After adjusting the height of the first height adjustment mechanism and the second height adjustment mechanism, install the first base 14 and the second base 15 in place. It should be noted that the method for adjusting the height of the first height adjustment mechanism and the second height adjustment mechanism is the same. Specifically, according to the usage requirements, rotate the threaded post 11 in the support foot in the forward or reverse direction to lengthen or shorten the length of the threaded post 11 extending out of the sleeve 12.
[0046] When using this embodiment, firstly, it is necessary to select whether to use one or two lower limb elevation pads based on the patient's actual situation. Then, adjust the length and height of the lower limb elevation pads according to the patient's actual situation and place them in a suitable position on the hospital bed. Next, place the patient's lower limbs on the lower limb elevation pads and fix the lower limbs using the leg restraint mechanism 9. Loosen the positioning screw 83 and adjust the limiting plate 6 to press against the patient's foot position, and tighten the positioning screw 83 again. Finally, fix the patient's feet using the foot restraint mechanism 7.
[0047] It should be noted that the above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A lower extremity elevation cushion characterized by: The device includes two detachably connected lower limb elevation pads side by side. Each lower limb elevation pad includes a first pad, a second pad located at the rear end of the first pad and separated from it, a length adjustment mechanism located between the first and second pads for adjusting the distance between them, a first height adjustment mechanism fixed to the bottom of the first pad for adjusting the height of the first pad, and a second height adjustment mechanism fixed to the bottom of the second pad for adjusting the height of the second pad.
2. The leg lifter pad of claim 1, wherein: The lower limb elevation pad body also includes a limiting plate that is slidably connected to the top of the second pad block and can be positioned by a sliding mechanism. A foot restraint mechanism is fixed on the limiting plate.
3. The leg lifter pad of claim 1 or 2, wherein: The length adjustment mechanism includes a threaded rod member that passes through the second pad and is threaded onto the second pad, and a fastening nut that is threaded onto the threaded rod member at the end away from the first pad. The end of the threaded rod member away from the fastening nut is rotatably connected to the first pad.
4. The leg lifter pad of claim 3, wherein: The length adjustment mechanism further includes an adjustment guide member disposed between the first pad and the second pad; the adjustment guide member includes at least one sliding rod fixed to the front end of the second pad, the sliding rod being slidably connected inside the first pad.
5. The leg lifter pad of any one of claims 1, 2, 4, wherein: The two lower limb elevation pad bodies are detachably connected together by a plug-in mechanism. The plug-in mechanism includes multiple plug slots fixed on the side of one lower limb elevation pad body and multiple plug blocks fixed on the side of the other lower limb elevation pad body corresponding to the multiple plug slots. The plug blocks are adapted to the plug slots so that each plug block can be plugged into the corresponding plug slot.
6. A lower extremity lift pad as defined in claim 5, wherein: The first height adjustment mechanism and the second height adjustment mechanism have the same structure; the first height adjustment mechanism includes a plurality of height-adjustable support feet fixed to the bottom of the first pad block, and the support feet include a base plate, a threaded post fixed to the top of the base plate, a sleeve threaded to the outside of the threaded post, and a connecting plate fixed to the top of the sleeve for fixed connection with the bottom of the first pad block.
7. A lower extremity lift pad as defined in claim 6, wherein: The first pad includes a right-angled trapezoidal block and a first arc-shaped groove formed on the top of the right-angled trapezoidal block; the second pad includes a cuboid block and a second arc-shaped groove formed on the top of the cuboid block.
8. The leg lifter pad of claim 7, wherein: Both the first pad and the second pad have a memory foam layer fixed on their upper surfaces, and multiple anti-slip blocks are fixed on the upper surfaces of the memory foam layer.
9. The leg lifter pad of any one of claims 1, 2, 4, 6-8, wherein: Both the first pad and the second pad are fixed with leg restraint mechanisms.
10. The leg lifter pad of claim 9, wherein: It also includes a first base inserted at the bottom of the first height adjustment mechanism and a second base inserted at the bottom of the second height adjustment mechanism, with the bottom surfaces of the first base and the second base on the same plane.