Knee flexion auxiliary device used after knee joint replacement
By designing a knee flexion assist device after knee replacement surgery, which uses a movable plate and airbag structure to adjust the knee flexion state, the problem of postoperative patients being unable to maintain knee flexion on their own is solved. It provides comfortable support and reduces the feeling of foreign objects, thus improving the postoperative rehabilitation experience of patients.
Patent Information
- Application Number
- CN202422613044.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-29
AI Technical Summary
After knee replacement surgery, patients are often weak and unable to maintain a flexed knee position. Prolonged bed rest can lead to knee joint adhesions, requiring assistive devices to help adjust the leg position, reduce the feeling of a foreign object, and improve comfort.
A knee flexion assist device was designed after knee replacement surgery. The knee flexion state of the leg can be adjusted by bending the first and second movable plates. Combined with the telescopic airbag and elastic cloth, it avoids skin clamping and provides comfortable support.
It enables knee flexion adjustment without the need for a leg brace, reducing the feeling of a foreign object, improving patient comfort, avoiding skin constriction, and enhancing postoperative recovery.
Smart Images
Figure CN223464220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the medical nursing technical field, concretely relates to a knee joint replacement post flexion auxiliary device. BACKGROUND
[0002] Knee joint replacement as a kind of treatment means of late-stage disease of knee joint has become the clinical commonly used operation, by using artificial prosthesis to replace the destroyed articular cartilage, reach the goal of relieving joint pain, improving joint function, correcting joint deformity and obtaining joint long-term stability, after knee joint replacement, patient needs to rest, but, during long time of rest, in order to reduce the adhesion of knee joint, the state of patient's leg needs to be adjusted, make the leg of patient between flexion and straightening conversion, but, due to the weak strength of patient's leg after operation, it is unable to keep the flexion state, therefore, the leg of patient needs to be assisted. UTILITY MODEL CONTENT
[0003] The utility model provides a knee joint replacement post flexion auxiliary device, with when the leg of patient is located in the top of movable plate one and movable plate two, by making movable plate one and movable plate two bend upwards, it can be supported while the leg of patient is converted to flexion state, and patient does not need to wear in the leg, reduce the characteristics of foreign matter of patient.
[0004] The utility model provides the following technical scheme: connecting plate, telescopic air bag one and telescopic air bag two, characterized by: the top of connecting plate is equipped with soft pad one, one side of connecting plate is equipped with two fixed blocks, the inboard of two fixed blocks is rotatably connected with movable plate one through connecting rod, the top of movable plate one is equipped with soft pad two, the side, away from connecting plate of movable plate one, is rotatably connected with movable plate two through connecting shaft, the top of movable plate two is equipped with soft pad three, both sides of movable plate two are equipped with two fixed shafts, the side, away from connecting plate of fixed block, is equipped with limiting strip, a plurality of limiting grooves two are formed in limiting strip, telescopic air bag one and elastic cloth one are equipped between soft pad two and soft pad one, telescopic air bag two and elastic cloth two are equipped between soft pad two and soft pad three.
[0005] Among them, the fixed block is equipped with the link groove, and the connecting rod is rotatably connected to the inboard of the link groove.
[0006] Among them, the two sides of telescopic air bag one and elastic cloth one are fixedly connected with soft pad one and soft pad two respectively, and the elastic cloth one is located at the top of telescopic air bag one.
[0007] The two sides of the elastic baffle two are fixedly connected with the soft pad two and the soft pad three respectively, and the elastic baffle two is located at the top of the telescopic air bag two.
[0008] The side of the movable plate two is provided with a through slot, and the connecting shaft is located inside the through hole and the through slot.
[0009] The top of the limiting strip is provided with a limiting slot one, and the limiting slot one is matched with the size of the connecting shaft.
[0010] The beneficial effect of the utility model is: when the leg of the patient is located at the top of the movable plate one and the movable plate two, by making the movable plate one and the movable plate two fold upwards, the leg of the patient can be supported and the leg of the patient can be converted into the knee bending state, meanwhile, by connecting the fixed shaft with different limiting slots two, the angle between the movable plate one and the movable plate two can be adjusted, so that the purpose of adjusting the knee bending angle of the patient is achieved, and the patient does not need to wear on the leg, the discomfort of the patient caused by foreign matter is reduced, and by the telescopic air bag one, the elastic baffle one, the telescopic air bag two and the elastic baffle two, the situation that the local skin of the patient is clamped due to the change of the angle and the change of the gap between the soft pad one, the soft pad two and the soft pad three during the movement of the movable plate one and the movable plate two can be avoided, and the comfort of the patient is improved.
[0011] The part not involved in the device is the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0013] Figure 2 It is the A part enlarged view in the utility model; Figure 1
[0014] Figure 3 It is the B part enlarged view in the utility model; Figure 1
[0015] Figure 4 It is the C part enlarged view in the utility model; Figure 1
[0016] In the figure: 1, connecting plate; 11, soft pad one; 12, fixed block; 121, link groove; 13, limiting strip; 131, limiting groove one; 132, limiting groove two; 2, movable plate one; 21, soft pad two; 211, telescopic air bag one; 212, elastic cloth one; 213, telescopic air bag two; 214, elastic cloth two; 22, connecting rod; 23, through hole; 3, movable plate two; 31, soft pad three; 32, through groove; 33, connecting shaft; 34, fixed shaft. DETAILED DESCRIPTION
[0017] Please refer to Figures 1-4 The utility model provides the following technical scheme: including connecting plate 1, telescopic air bag one 211 and telescopic air bag two 213, its characterized in that: the top of connecting plate 1 is equipped with soft pad one 11, one side of connecting plate 1 is equipped with two fixed blocks 12, the inside of two fixed blocks 12 is rotatably connected with movable plate one 2 through connecting rod 22, the top of movable plate one 2 is equipped with soft pad two 21, the side of movable plate one 2 away from connecting plate 1 is rotatably connected with movable plate two 3 through connecting shaft 33, the top of movable plate two 3 is equipped with soft pad three 31, both sides of movable plate two 3 are equipped with two fixed shafts 34, the side of fixed block 12 away from connecting plate 1 is equipped with limiting strip 13, is equipped with a plurality of limiting groove two 132 on limiting strip 13, is equipped with telescopic air bag one 211 and elastic cloth one 212 between soft pad two 21 and soft pad one 11, is equipped with telescopic air bag two 213 and elastic cloth two 214 between soft pad two 21 and soft pad three 31.
[0018] In this embodiment: including the connecting plate 1, the stretchable air bag one 211 and the stretchable air bag two 213, the top of the connecting plate 1 is provided with the soft pad one 11, the soft pad one 11 is fixedly connected with the top of the connecting plate 1, and the soft pad one 11 is used for improving the comfort when the patient lies flat, one side of the connecting plate 1 is provided with two fixed blocks 12, the fixed blocks 12 are fixedly connected with the connecting plate 1, and the positions of the two fixed blocks 12 are opposite, the inner sides of the two fixed blocks 12 are rotatably connected with the movable plate one 2 through the connecting rod 22, the connecting rod 22 is fixedly connected with the movable plate one 2, the movable plate one 2 can be rotated upwardly through the connection of the connecting rod 22 and the fixed block 12, the top of the movable plate one 2 is provided with the soft pad two 21, the soft pad two 21 is fixedly connected with the top of the movable plate one 2, and the top of the soft pad two 21 is flush with the top of the soft pad one 11, one side of the movable plate one 2 away from the connecting plate 1 is rotatably connected with the movable plate two 3 through the connecting shaft 33, the angle between the movable plate two 3 and the movable plate one 2 can be changed through the connection of the connecting shaft 33, when the movable plate one 2 is rotated upwardly, one side of the movable plate one 2 connected with the movable plate two 3 is lifted, so that one side of the movable plate two 3 connected with the movable plate one 2 is lifted, and the movable plate one 2 and the movable plate two 3 form an upward bending state, when the legs of the patient are located on the top of the movable plate one 2 and the movable plate two 3, the legs of the patient can be converted into the knee bending state while being supported through the upward bending of the movable plate one 2 and the movable plate two 3, the top of the movable plate two 3 is provided with the soft pad three 31, the soft pad three 31 is fixedly connected with the top of the movable plate two 3, and the soft pad three 31 is flush with the top of the soft pad two 21, the two sides of the movable plate two 3 are provided with two fixed shafts 34, the two fixed shafts 34 are located on the two sides of the movable plate two 3 respectively, one side of the fixed block 12 away from the connecting plate 1 is provided with the limiting strip 13, the limiting strip 13 is fixedly connected with the fixed block 12, and the two limiting strips 13 are located on the two sides of the movable plate one 2 and the movable plate two 3 respectively, a plurality of limiting grooves two 132 are formed in the limiting strip 13, the plurality of limiting grooves two 132 are located on the top of the limiting strip 13, and the distances between the plurality of limiting grooves two 132 are same, the fixed shaft 34 can be limited through the limiting groove two 132, the angle between the movable plate one 2 and the movable plate two 3 can be adjusted through the connection of the fixed shaft 34 and the different limiting grooves two 132, so that the knee bending angle of the patient can be adjusted, the stretchable air bag one 211 and the elastic cloth one 212 are arranged between the soft pad two 21 and the soft pad one 11, the stretchable air bag one 211 and the elastic cloth one 212 are contracted when the movable plate one 2 is rotated upwardly, and the stretchable air bag one 211 and the elastic cloth one 212 are stretched when the movable plate one 2 is rotated downwardly, the stretchable air bag two 213 and the elastic cloth two 214 are arranged between the soft pad two 21 and the soft pad three 31, the stretchable air bag two 213 and the elastic cloth two 214 are in the stretched state when the movable plate one 2 and the movable plate two 3 are bent upwardly, so as to supplement the gap between the soft pad two 21 and the soft pad three 31, and the like.When the movable plate 2 and the movable plate 3 are rotated downward to the parallel state, the telescopic air bag 2 213 and the elastic cloth 2 214 are in the contraction state, and the gap between the soft cushion 1 11, the soft cushion 2 21 and the soft cushion 3 31 can be supplemented through the telescopic air bag 1 211, the elastic cloth 1 212, the telescopic air bag 2 213 and the elastic cloth 2 214, so as to avoid the situation that the local skin of the patient is clamped due to the change of the angle and the gap between the soft cushion 1 11, the soft cushion 2 21 and the soft cushion 3 31 during the movement of the movable plate 2 and the movable plate 3, and the comfort of the patient is improved.
[0019] The fixed block 12 is provided with a connecting groove 121, and the connecting rod 22 is rotationally connected to the inner side of the connecting groove 121; through the connection of the connecting rod 22 and the connecting groove 121, the movable plate 2 rotates around the connecting rod 22 and the connecting groove 121 as the rotation center.
[0020] The telescopic air bag 1 211 and the elastic cloth 1 212 are fixedly connected to the soft cushion 1 11 and the soft cushion 2 21 respectively, and the elastic cloth 1 212 is located at the top of the telescopic air bag 1 211; the elastic cloth 1 212 can shield the patient from the telescopic air bag 1 211, so as to avoid the direct contact between the patient and the telescopic air bag 1 211.
[0021] The telescopic air bag 2 213 and the elastic cloth 2 214 are fixedly connected to the soft cushion 2 21 and the soft cushion 3 31 respectively, and the elastic cloth 2 214 is located at the top of the telescopic air bag 2 213; the elastic cloth 2 214 can shield the patient from the telescopic air bag 2 213, so as to avoid the direct contact between the patient and the telescopic air bag 2 213.
[0022] The movable plate 2 is provided with a through hole 23 on the side away from the connecting plate 1, the movable plate 3 is provided with a through groove 32 on one side, and the connecting shaft 33 is located in the through hole 23 and the through groove 32; through the connection of the connecting shaft 33 and the through hole 23 and the through groove 32, the angle between the movable plate 2 and the movable plate 3 can be changed.
[0023] The top of the limiting strip 13 is provided with a limiting groove 1 131, and the size of the limiting groove 1 131 matches that of the connecting shaft 33; when the movable plate 2 and the movable plate 3 are in the parallel state, the connecting shaft 33 is located in the limiting groove 1 131, so that the movable plate 2 and the movable plate 3 remain flat, and the leg of the patient can remain straight.
[0024] The working principle and use flow of the utility model: when using, need to lay the connecting plate 1 on the bed surface, make movable plate 2 and movable plate 2 also lay on the bed surface, then make the back of patient lie on the soft pad 1 11, and the thigh of patient is located on the soft pad 2 21, the small leg of patient is located on the soft pad 3 31, when movable plate 2 and movable plate 2 are horizontal state, the leg of patient is straight state, when needing to change the leg of patient into the knee state, only need to lift connecting shaft 33 and fixed shaft 34 upward, then, make the connecting place of movable plate 2 and movable plate 2 arch upward, again connect fixed shaft 34 with one limit slot 2 132, can change movable plate 2 and movable plate 2 into the bending state, and the leg of patient will change into the knee state along with the change of movable plate 2 and movable plate 2.
Claims
1. A knee flexion assisting device after knee arthroplasty, comprising a connecting plate (1), a telescopic air bag one (211) and a telescopic air bag two (213), characterized in that: The top of the connecting plate (1) is provided with soft pad one (11), one side of the connecting plate (1) is provided with two fixed blocks (12), the inner side of two fixed blocks (12) is rotatably connected with movable plate one (2) through connecting rod (22), the top of movable plate one (2) is provided with soft pad two (21), the side of movable plate one (2) away from the connecting plate (1) is rotatably connected with movable plate two (3) through connecting shaft (33), the top of movable plate two (3) is provided with soft pad three (31), both sides of movable plate two (3) are provided with two fixed shafts (34), the side of fixed block (12) away from the connecting plate (1) is provided with limiting strip (13), a plurality of limiting grooves two (132) are formed in the limiting strip (13), the soft pad two (21) and the soft pad one (11) are provided with elastic cloth one (212) and elastic cloth one (212) between them, the soft pad two (21) and the soft pad three (31) are provided with elastic cloth two (214) and elastic cloth two (214) between them.
2. A post knee arthroplasty flexion assist device according to claim 1, characterized in that: The fixed block (12) is provided with a connecting groove (121), and the connecting rod (22) is rotatably connected to the inner side of the connecting groove (121).
3. A post knee arthroplasty flexion assist device according to claim 2, wherein: The two sides of the elastic cloth one (212) and the elastic cloth one (212) are fixedly connected with the soft pad one (11) and the soft pad two (21), and the elastic cloth one (212) is located on the top of the elastic cloth one (211).
4. A post knee replacement flexion assist device according to claim 3, wherein: The two sides of the elastic cloth two (214) and the elastic cloth two (214) are fixedly connected with the soft pad two (21) and the soft pad three (31), and the elastic cloth two (214) is located on the top of the elastic cloth two (213).
5. A post knee replacement flexion assist device according to claim 4, wherein: The side of the movable plate one (2) away from the connecting plate (1) is provided with a through hole (23), one side of the movable plate two (3) is provided with a through groove (32), and the connecting shaft (33) is located in the through hole (23) and the through groove (32).
6. A post knee replacement flexion assist device according to claim 5, wherein: The top of the limiting strip (13) is provided with a limiting groove one (131), and the limiting groove one (131) is matched with the size of the connecting shaft (33).