Auxiliary device for knee joint postoperative cold compress
By designing an auxiliary device for knee surgery, using a U-shaped support pad and drive mechanism to adjust the angle, the problem of obstructed venous and lymphatic return caused by leg drop during cold compresses after knee surgery is solved, improving the therapeutic effect and usability of cold compresses.
Patent Information
- Application Number
- CN202423048037.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-11
AI Technical Summary
After knee surgery, if the leg hangs down during cold compresses, venous and lymphatic return will be obstructed, increasing local swelling and edema, and affecting the effectiveness of the cold compresses.
An auxiliary device including a U-shaped support pad and a drive mechanism was designed. The angle of the U-shaped support pad can be adjusted by adjusting the bolt and rotating the handle to raise the affected limb and prevent the lower limb from drooping. The ice pack is fixed by Velcro and tensioning mechanism to achieve quick replacement and prevent ice water from overflowing.
It effectively supports the patient's lower limbs, prevents them from drooping, improves the effect of cold compress therapy, adapts to different leg lengths of patients, simplifies installation and adjustment, and enhances treatment effectiveness and ease of use.
Smart Images

Figure CN223817743U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to postoperative rehabilitation technical field especially, a kind of auxiliary device for knee joint postoperative cold compress. BACKGROUND
[0002] Knee joint postoperative patient will appear swelling and inflammation etc., and knee joint postoperative cold compress is to alleviate pain, reduce swelling and inflammation, promote blood vessel contraction, accelerate wound healing and recovery.
[0003] Presently, ice bag is attached to the knee of patient to perform cold compress for the knee of patient, but the leg of patient lacks support during the process of cold compress, and the state of drooping often appears in the leg of patient, and the drooping of affected limb can cause obstruction of venous and lymphatic return, thereby aggravating local swelling and edema, which can affect the treatment effect of cold compress. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problems of the state of drooping often appearing in the leg of patient in prior art, and the drooping of affected limb can cause obstruction of venous and lymphatic return, thereby aggravating local swelling and edema, which can affect the treatment effect of cold compress.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: an auxiliary device for knee joint postoperative cold compress, including ice bag, two groups of connecting mechanisms in up-down distribution are arranged at both ends of the ice bag, a fixing mechanism is arranged between the connecting mechanisms at upper end, installation shafts are fixedly connected at both sides of lower end of the connecting mechanism at lower end, adjusting strips are rotationally connected on the outer periphery of the installation shafts, incomplete gear rings are fixedly connected on the outer periphery of the adjusting strips, U-shaped support pads are fixedly connected between the adjusting strips, the U-shaped support pads are made of soft material, installation boxes are fixedly connected on the outer periphery of the end portions of the connecting mechanisms at lower end, drive mechanisms are arranged in the installation boxes, the drive mechanisms include rotating shafts rotationally connected in the installation boxes, driven gears and worm gears are fixedly sleeved on the outer periphery of the rotating shafts, the driven gears are meshingly and transmissionally connected with the incomplete gear rings, worm gears are vertically rotationally connected in the installation boxes, the worm gears are meshingly and transmissionally connected with the worm gears, the lower limbs of patient can be supported by the U-shaped support pads, and the angle of the U-shaped support pad can be adjusted by rotating the rotating handle, the affected limb can be lifted, the lower limbs of patient are prevented from drooping, and the cold compress treatment effect of patient is improved.
[0006] As a preferred implementation, the connecting mechanism includes a connecting block and a connecting strip, the connecting block is provided with a threaded hole in the end face, an adjusting bolt is threadedly connected in the threaded hole, the connecting strip is provided with a plurality of adjusting holes near one end of the connecting block, the adjusting bolt is inserted into the adjusting hole, the connecting strip in the upper end connecting mechanism is fixedly connected with the connecting block in the lower end connecting mechanism, the device can be adjusted according to the length of the patient's leg, and the adjusting operation only needs to rotate the adjusting bolt so that the adjusting bolt is clamped in the adjusting hole at different positions, the adjusting operation is simple and fast, and the use adaptation ability of the device can be improved.
[0007] As a preferred implementation, the fixing mechanism includes a fixed soft belt fixedly connected between the two upper end connecting mechanisms, and the fixed soft belt is movably connected through the adjusting mechanism at both ends, so that the device can be fixed on the patient's leg through the fixed soft belt to realize the fixing function.
[0008] As a preferred implementation, the ice bag is provided with a magic tape subface at both ends, the connecting strips in the lower end connecting mechanism are fixedly connected with magic tape female faces at one end face close to each other, the ice bag is made of waterproof material, the ice bag can be quickly removed, the ice block in the ice bag can be replaced, and the ice bag can be quickly replaced in the device.
[0009] As a preferred implementation, the ice bag is provided with a pressing piece at the upper end, the ice bag is provided with a communication port at the top end, a sealing cover is threadedly connected at the communication port, and the fixed soft belt and the pressing piece are provided with tensioning mechanisms around.
[0010] As a preferred implementation, the tensioning mechanism includes a first adjusting belt and a second adjusting belt, the second adjusting belt is rotatably connected with a fixed ring at the end, the second adjusting belt is fixedly connected with a ring buckle at the middle of the fixed ring, and the first adjusting belt is provided with a plurality of adjusting eyes at the end, and the first adjusting belt and the second adjusting belt are matched, and the fixed ring is inserted into different adjusting eyes to realize the function of adjusting the tensioning ability.
[0011] As a preferred implementation, the first adjusting belt and the second adjusting belt in the tensioning mechanism on the fixed soft belt are fixedly connected at the top end of the fixed soft belt on both sides, the first adjusting belt in the tensioning mechanism around the pressing piece is fixedly connected at the four corners of the pressing piece, and the second adjusting belt is fixedly connected on the two end connecting mechanisms, and the tensioning mechanisms arranged at two places have the functions of making the device more fit the patient's leg and adjusting the compression of the ice bag.
[0012] In a preferred embodiment, a handle is fixedly connected to the top of the worm gear. Multiple grooves are evenly formed on the outer circumference of the handle. By setting the grooves, the contact friction of the handle surface is increased, making it easier to rotate the worm gear.
[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0014] 1. This utility model can support the patient's lower limbs with a U-shaped support pad, and the angle of the U-shaped support pad can be adjusted by rotating the handle, which can raise the affected limb, prevent the patient's lower limbs from falling, and improve the effect of cold compress treatment.
[0015] 2. This utility model allows for adjustment of the device according to the patient's leg length. The installation and adjustment operation only requires rotating the adjusting bolt so that the adjusting bolt is locked inside the adjusting hole at different positions. The adjustment operation is simple and quick, which can improve the adaptability of the device. Attached Figure Description
[0016] Figure 1 A three-dimensional structural diagram of an auxiliary device for postoperative cold compress of the knee joint provided by this utility model;
[0017] Figure 2 A schematic diagram showing the disassembled structure of an auxiliary device for postoperative cold compress of the knee joint provided by this utility model;
[0018] Figure 3 A schematic diagram of the connecting mechanism of an auxiliary device for postoperative cold compress of the knee joint provided by this utility model;
[0019] Figure 4 This utility model provides an auxiliary device for postoperative cold compress of the knee joint. Figure 1 Enlarged view of a portion of point A in the middle;
[0020] Figure 5 This utility model provides an auxiliary device for postoperative cold compress of the knee joint. Figure 1 Enlarged view of section B in the middle.
[0021] Legend:
[0022] 1. U-shaped support pad; 2. Connecting strip; 3. Fixing soft strap; 4. Connecting block; 5. Adjusting bolt; 6. Ice pack; 7. Sealing cap; 8. Incomplete gear ring; 9. Pressure plate; 10. First adjusting belt; 11. Second adjusting belt; 12. Adjusting eye; 13. Threaded hole; 14. Adjusting hole; 15. Mounting shaft; 16. Adjusting strip; 17. Mounting box; 18. Rotating shaft; 19. Worm gear; 20. Worm wheel; 21. Rotating handle; 22. Driven gear; 23. Fixing ring; 24. Ring buckle; 25. Velcro female side; 26. Velcro female side. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0024] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of auxiliary device for knee joint postoperative cold compress, including ice bag 6, two groups of connection mechanism are set up in the both ends of ice bag 6 and are distributed upside down, fixed mechanism is set up between the upper end connection mechanism, the lower end of lower end connection mechanism is fixedly connected with installation shaft 15 on both sides, adjusting strip 16 is rotatably connected on the outer periphery of installation shaft 15, adjusting strip 16 is fixedly connected with incomplete gear ring 8 on the outer periphery, U-shaped support pad 1 is fixedly connected between adjusting strip 16, U-shaped support pad 1 is soft material, installation box 17 is fixedly connected on the outer periphery of the end of lower end connection mechanism, driving mechanism is arranged in installation box 17, driving mechanism includes the rotating shaft 18 that is rotatably connected in installation box 17, driving gear 22 and worm wheel 20 are fixedly covered on the outer periphery of rotating shaft 18, driving gear 22 is meshed with incomplete gear ring 8 and is connected, worm 19 is rotatably connected in installation box 17, worm 19 is meshed with worm wheel 20 and is connected, can be supported to patient lower limbs by U-shaped support pad 1, and the angle of U-shaped support pad 1 can be adjusted by rotating handle 21, can raise affected limb, prevent patient lower limbs from falling, improve the cold compress treatment effect of patient.
[0025] As Figures 1-5 Shown, connection mechanism includes connecting block 4 and connecting strip 2, threaded hole 13 is formed in the end face of connecting block 4, adjusting bolt 5 is screw connected in threaded hole 13, a plurality of adjusting holes 14 are formed in the end of connecting strip 2 close to connecting block 4, adjusting bolt 5 is inserted in adjusting hole 14, connecting strip 2 in upper end connection mechanism is fixedly connected with connecting block 4 in lower end connection mechanism, can be adjusted according to the length of patient's leg, and installation adjustment operation only needs to rotate adjusting bolt 5, so that adjusting bolt 5 is clamped in adjusting hole 14 in different positions, adjusting operation is also simple and fast, can improve the use adaptation ability of device.
[0026] As Figures 1-5 Shown, fixed mechanism includes fixed soft belt 3 fixedly connected between the upper end of two connection mechanisms, and the both ends of fixed soft belt 3 are movably connected by adjusting mechanism, the device can be fixed on the leg of patient by fixed soft belt 3, to realize the function of fixation.
[0027] As Figures 1-5As shown, the ice bag 6 is provided with a magic tape sub-surface 26 at both ends, and the connecting mechanism inside the lower end is connected with the connecting strip 2. The one end surface of the connecting strip 2 is fixedly connected with a magic tape female surface 25. The ice bag 6 is made of waterproof material, which can realize quick removal of the ice bag 6, facilitate replacement of the ice block in the ice bag 6, and make the ice bag 6 realize quick replacement in the device.
[0028] As shown in Figures 1-5 , the ice bag 6 is provided with a pressing piece 9 at the upper end, and the top end of the ice bag 6 is provided with a communication port. The communication port is threadedly connected with a sealing cover 7. The fixed soft belt 3 and the pressing piece 9 are provided with a tensioning mechanism around. By setting the sealing cover 7 at the communication port, the ice block in the ice bag 6 is prevented from melting and overflowing.
[0029] As shown in Figures 1-5 , the tensioning mechanism includes a first adjusting belt 10 and a second adjusting belt 11. The end of the second adjusting belt 11 is rotatably connected with a fixed ring 23. The second adjusting belt 11 is fixedly connected with a ring buckle 24 at the middle part of the fixed ring 23. The end of the first adjusting belt 10 is provided with a plurality of adjusting eyes 12. By cooperating the first adjusting belt 10 with the second adjusting belt 11, the function of adjusting the tensioning capacity can be realized by inserting the fixed ring 23 into different adjusting eyes 12.
[0030] As shown in Figures 1-5 , the first adjusting belt 10 and the second adjusting belt 11 in the tensioning mechanism on the fixed soft belt 3 are fixedly connected on both sides of the top end of the fixed soft belt 3. The first adjusting belt 10 in the tensioning mechanism around the pressing piece 9 is fixedly connected at the four corners of the pressing piece 9. The second adjusting belt 11 is fixedly connected on the two end connecting mechanisms. By setting the tensioning mechanism at two places, the device is more fitted to the patient's leg and the compression of the ice bag can be adjusted.
[0031] As shown in Figures 1-5 , the top end of the worm 19 is fixedly connected with a handle 21. A plurality of grooves are uniformly arranged on the outer periphery of the handle 21. By setting the grooves, the contact friction force of the outer surface of the handle 21 is improved, so that the worm 19 is more convenient to rotate.
[0032] Working principle: in use, according to the patient's leg condition, adjust the length of the device, adjust the steps are, screw out the adjusting bolt 5, adjust the connecting strip 2 position, screw in the adjusting bolt 5 again, so that the adjusting bolt 5 is clamped in the adjusting hole 14 in different positions, and then the fixed soft belt 3 is bound to the patient's thigh, and the first adjusting belt 10 is passed through the fixed ring 23, the adjusting eye 12 ring buckle 24 and the second adjusting belt 11 are matched, the binding function is realized, then the colleague rotates the two side handles 21 to adjust the angle of the U-shaped supporting pad 1, the adjusting process is that the handle 21 drives the worm 19 to rotate, the worm 19 drives the worm wheel 20 to rotate through the worm wheel 20, the rotating shaft 18 drives the adjusting strip 16 to adjust the angle through the driven gear 22 and the incomplete gear ring 8, so as to realize the adjustment of the angle of the U-shaped supporting pad 1, so as to lift the lower limbs of the patient, prevent the lower limbs of the patient from falling, and improve the cold compress treatment effect of the patient.
[0033] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall still fall within the protection scope of the present application.
Claims
1. An auxiliary device for postoperative cold compress of the knee joint, comprising an ice pack (6), characterized in that, The ice pack (6) has two sets of connecting mechanisms arranged vertically at both ends. A fixing mechanism is provided between the upper connecting mechanisms. The lower connecting mechanisms are fixedly connected to the two sides of the lower end of the connecting mechanism. An adjusting strip (16) is rotatably connected to the outer circumference of the mounting shaft (15). An incomplete toothed ring (8) is fixedly connected to the outer circumference of the adjusting strip (16). A U-shaped support pad (1) is fixedly connected between the adjusting strips (16). The U-shaped support pad (1) is made of soft material. An installation box (17) is fixedly connected to the outer circumference of the lower connecting mechanism. The mounting box (17) is equipped with a drive mechanism, which includes a rotating shaft (18) rotatably connected inside the mounting box (17). A driven gear (22) and a worm gear (20) are fixedly sleeved on the outer periphery of the rotating shaft (18). The driven gear (22) meshes with an incomplete gear ring (8) for transmission. A worm (19) is vertically rotatably connected inside the mounting box (17). The worm (19) meshes with the worm gear (20) for transmission. A handle (21) is fixedly connected to the top of the worm (19). Multiple grooves are evenly opened on the outer periphery of the handle (21).
2. The auxiliary device for postoperative cold compress of the knee joint according to claim 1, characterized in that: The connecting mechanism includes a connecting block (4) and a connecting strip (2). The end face of the connecting block (4) is provided with a threaded hole (13). An adjusting bolt (5) is threaded into the threaded hole (13). The connecting strip (2) is provided with multiple adjusting holes (14) at one end near the connecting block (4). The adjusting bolt (5) is inserted into the adjusting hole (14). The connecting strip (2) in the upper connecting mechanism is fixedly connected to the connecting block (4) in the lower connecting mechanism.
3. The auxiliary device for postoperative cold compress of the knee joint according to claim 2, characterized in that: The fixing mechanism includes a fixed soft strap (3) fixedly connected between two upper connecting mechanisms, and the two ends of the fixed soft strap (3) are movably connected through an adjustment mechanism.
4. The auxiliary device for postoperative cold compress of the knee joint according to claim 2, characterized in that: Both ends of the ice pack (6) are provided with Velcro surfaces (26), and the connecting strips (2) in the connecting mechanism at the lower end are fixedly connected to one end with Velcro female surfaces (25). The ice pack (6) is made of waterproof material.
5. The auxiliary device for postoperative cold compress of the knee joint according to claim 3, characterized in that: The ice pack (6) has a pressure plate (9) at the top and a connecting port at the top. A sealing cap (7) is threaded onto the connecting port. Tensioning mechanisms are provided around the fixing soft strap (3) and the pressure plate (9).
6. The auxiliary device for postoperative cold compress of the knee joint according to claim 5, characterized in that: The tensioning mechanism includes a first adjusting belt (10) and a second adjusting belt (11). The end of the second adjusting belt (11) is rotatably connected to a fixed ring (23). The second adjusting belt (11) is fixedly connected to a buckle (24) at the middle of the fixed ring (23). The end of the first adjusting belt (10) is provided with multiple adjusting holes (12).
7. An auxiliary device for postoperative cold compress of the knee joint according to claim 6, characterized in that: The first adjusting belt (10) and the second adjusting belt (11) in the tensioning mechanism located on the fixed soft belt (3) are respectively fixedly connected to the top two sides of the fixed soft belt (3). The first adjusting belt (10) in the tensioning mechanism located around the pressure plate (9) is fixedly connected to the four corners of the pressure plate (9), and the second adjusting belt (11) is fixedly connected to the two end connecting mechanisms.