Knee joint fixing band and knee joint fixing structure
By designing a knee joint fixing belt including a fixing belt body, a first strap and a second strap, the problem of knee joint damage caused by knee joint fixing belt in the prior art is solved, and a safer and more comfortable knee joint is achieved Fixed effect.
Patent Information
- Application Number
- CN202420517462.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-03-18
AI Technical Summary
During the fixation process, existing knee joint fixation bands can easily cause close contact between the left and right knee joints of the patient, resulting in knee injury during the struggle.
A knee joint fixing belt including a fixing belt body, a first strap and a second strap is designed, and the right knee joint is covered by a first cover part and a fourth cover part, a second cover part and a second cover part and a second cover part. The three-covered part covers the left knee joint, and the first strap and the second strap are fixed on the hospital bed through the connecting hole to avoid excessive pressure between the knee joints.
It effectively avoids excessive pressure between the knee joints when the patient struggles, prevents damage, and reduces local pressure on the patient by dispersing the strap tensioning force, and avoids pressure ulcers.
Smart Images

Figure CN222426376U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a knee joint fixing belt and a knee joint fixing structure. Background Art
[0002] In clinical surgery and daily care of some patients, for some patients who need to restrain their lower limbs, such as patients who are unconscious and agitated, in order to prevent their lower limbs from swinging randomly, it is necessary to use a knee joint fixation belt to cover or bind their lower limb knee joints to ensure the normal progress of surgery and care. At present, in order to minimize the range of motion of the patient's knee joint, the existing knee joint fixation belts for surgery and care usually tie the patient's legs together and then fix the whole body on the bed. In this fixing method, the binding force of the fixation belt drives the inner sides of the patient's left and right knee joints to tightly contact each other, and the harder the patient struggles, the greater the local pressure between the left and right knee joints, which makes the inner side of the patient's knee joint easy to be damaged during the patient's struggle.
[0003] Therefore, there is an urgent need for a knee joint fixation belt and a knee joint fixation structure to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a knee joint fixing belt and a knee joint fixing structure, which can prevent the inner sides of the left and right knee joints of a patient from tightly contacting each other, thereby preventing the knee joint from being damaged during the patient's struggle.
[0005] In order to achieve the above object, the utility model provides a knee joint fixation belt, comprising:
[0006] A fixing belt body, comprising a first covering portion, a second covering portion, a third covering portion and a fourth covering portion, wherein a first end of the first covering portion, a first end of the second covering portion, a first end of the third covering portion and a first end of the fourth covering portion are fixedly connected to form a connecting portion extending along a first direction, and the first covering portion, the second covering portion, the third covering portion and the fourth covering portion are sequentially arranged along the circumference of the connecting portion;
[0007] A first binding strap, wherein a plurality of the first binding straps are arranged at intervals along the first direction at the second end of the first covering portion, and the first ends of the first binding straps are all fixedly connected to the first covering portion;
[0008] A second binding strap, wherein a plurality of second binding straps spaced apart along the first direction are disposed at the second end of the second covering portion, and first ends of the second binding straps are all fixedly connected to the second covering portion;
[0009] The second end of the fourth covering portion is provided with a plurality of first connection holes arranged at intervals along the first direction for the second end of the first binding strap to pass through, and the first connection holes are arranged in a one-to-one correspondence with the first binding strap;
[0010] The second end of the third covering portion is provided with a plurality of second connection holes spaced apart along the first direction for the second end of the second binding strap to pass through, and the second connection holes are provided in a one-to-one correspondence with the second binding straps.
[0011] As an improvement of the above technical solution, the fixing belt body, the first binding strap and the second binding strap are all made of flexible materials.
[0012] As an improvement of the above technical solution, the first covering part, the second covering part, the third covering part and the fourth covering part all include a first lining cloth layer, a second lining cloth layer and a pad, the first lining cloth layer is fixedly connected to the second lining cloth layer, and the pad is sandwiched between the first lining cloth layer and the second lining cloth layer.
[0013] As an improvement of the above technical solution, the first covering portion, the second covering portion, the third covering portion and the fourth covering portion have the same size.
[0014] As an improvement of the above technical solution, two of each of the first and second straps are provided.
[0015] As an improvement of the above technical solution, the distance between the connection points of the two first straps and the first covering part is equal to the distance between the two second straps and the second covering part, and the distance between the two first connecting holes is equal to the distance between the two second connecting holes.
[0016] A knee joint fixation structure comprises the knee joint fixation belt described in any one of the above items, and also comprises a hospital bed, wherein the hospital bed comprises a bed body, a first fixing rod and a second fixing rod, the first fixing rod and the second fixing rod are respectively fixedly arranged on both sides of the length direction of the bed body, and gaps are arranged between the first fixing rod and the second fixing rod, the first covering part and the fourth covering part cooperate to cover the right knee joint of the patient, the second covering part and the third covering part cooperate to cover the left knee joint of the patient, the second end of the first strap passes through the corresponding first connecting hole and is connected to the first fixing rod, and the second end of the second strap passes through the corresponding second connecting hole and is connected to the second fixing rod.
[0017] As an improvement of the above technical solution, the second end of the first binding strap is tied to the first fixing rod, and the second end of the second binding strap is tied to the second fixing rod.
[0018] As an improvement of the above technical solution, the second strap is arranged in a one-to-one correspondence with the first strap, the second end of the first strap passes through the gap between the first fixing rod and the bed body and is wrapped around the first fixing rod, the second end of the second strap passes through the gap between the second fixing rod and the bed body and is wrapped around the second fixing rod, and the second end of the first strap and the corresponding second end of the second strap both extend to the top of the fixing belt body and are tied and tied.
[0019] As an improvement of the above technical solution, the hospital bed further comprises:
[0020] Two first limiting rods, the two first limiting rods are arranged in a gap between the bed body and the first fixing rod at intervals along the length direction of the bed, one end of each of the first limiting rods is fixedly connected to the first fixing rod, and the other end is fixedly connected to the bed body, and the first binding straps are located between the two first limiting rods;
[0021] Two second limiting rods are arranged at intervals along the length direction of the bed in the gap between the bed body and the second fixing rod. One end of each second limiting rod is fixedly connected to the first fixing rod and the other end is fixedly connected to the bed body. The second straps are located between the two second limiting rods.
[0022] Compared with the prior art, the utility model has the following beneficial effects:
[0023] The knee joint fixing belt and knee joint fixing structure of the utility model, when restraining and fixing the patient's knee joint, the first covering part and the fourth covering part cooperate to cover the patient's right knee joint, the second covering part and the third covering part cooperate to cover the patient's left knee joint, the second end of the first strap passes through the first connection hole on the fourth covering part and is fixed on the bed, and the second end of the second strap passes through the second connection hole on the third covering part and is fixed on the bed, so that the patient's left knee joint and right knee joint are fixed respectively, when the patient struggles violently, even if the first strap and the second strap are further tightened, it will not cause excessive pressure between the patient's left knee joint and the right knee joint, thereby avoiding the patient's violent struggle. The left knee joint and the right knee joint are squeezed against each other and damaged. In addition, the tension of the first strap and the tension of the second strap can make the patient's left knee joint and the right knee joint fit closely to both sides of the connecting part, so that the left knee joint and the right knee joint fit as close as possible, which is conducive to reducing the range of motion of the patient's knee joint. In addition, the knee joint fixation belt of the utility model relies on the fixation belt body to cover the patient's knee joint. The tensioning force of the first strap and the second strap does not directly act on the patient's limbs. The fixation belt body can disperse the tensioning force of the straps, thereby preventing the knee joint fixation belt from exerting excessive local pressure on the patient and causing pressure sores. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the structure of a knee joint fixation belt provided in Example 1 of the present utility model;
[0025] Figure 2 This is a schematic diagram of the process of connecting the knee joint fixation belt provided in the second embodiment of the utility model to the hospital bed (the patient's knee joint is not shown);
[0026] Figure 3 This is a schematic diagram of the knee joint fixation belt provided in the second embodiment of the present utility model after being connected to the bed (the patient's knee joint is not shown);
[0027] Figure 4 This is a schematic diagram of the process of connecting the knee joint fixation belt provided in the third embodiment of the present utility model to the hospital bed (the patient's knee joint is not shown);
[0028] Figure 5 This is a schematic diagram of the knee joint fixation belt provided in Example 3 of the present utility model after being connected to the hospital bed (the patient's knee joint is not shown).
[0029] In the figure:
[0030] 1. fixing belt body; 11. first covering portion; 12. second covering portion; 13. third covering portion; 131. first connecting hole; 14. fourth covering portion; 141. second connecting hole; 15. connecting portion;
[0031] 2. First strap;
[0032] 3. Second strap;
[0033] 10. Hospital bed; 101. Bed body; 102. First fixing rod; 103. Second fixing rod; 104. First limiting rod; 105. Second limiting rod. DETAILED DESCRIPTION
[0034] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0035] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0037] In the description of this embodiment, the terms "upper", "lower", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0038] Embodiment 1
[0039] like Figure 1 As shown, this embodiment provides a knee joint fixation belt, including a fixation belt body 1, a first strap 2 and a second strap 3. The fixation belt body 1 includes a first covering portion 11, a second covering portion 12, a third covering portion 13 and a fourth covering portion 14. The first end of the first covering portion 11, the first end of the second covering portion 12, the first end of the third covering portion 13 and the first end of the fourth covering portion 14 are fixedly connected to form a connecting portion 15 extending along a first direction. The first covering portion 11, the second covering portion 12, the third covering portion 13 and the fourth covering portion 14 are sequentially arranged along the circumference of the connecting portion 15. A plurality of first straps 2 arranged at intervals along the first direction are arranged at the second end of the first covering portion 11, and the first ends of the first straps 2 are all fixedly connected to the first covering portion 11. A plurality of second straps 3 arranged at intervals along the first direction are arranged at the second end of the second covering portion 12, and the first ends of the second straps 3 are all fixedly connected to the second covering portion 12, and the second straps 3 are arranged one-to-one with the first straps 2. The second end of the fourth covering portion 14 is provided with a plurality of first connection holes 141 arranged at intervals along the first direction for the second end of the first binding strap 2 to pass through, and the first connection holes 141 are arranged in a one-to-one correspondence with the first binding strap 2. The second end of the third covering portion 13 is provided with a plurality of second connection holes 131 arranged at intervals along the first direction for the second end of the second binding strap 3 to pass through, and the second connection holes 131 are arranged in a one-to-one correspondence with the second binding strap 3.
[0040] The knee joint fixation belt provided in this embodiment, when restraining and fixing the patient's knee joint, the first covering part 11 and the fourth covering part 14 cooperate to cover the patient's right knee joint, the second covering part 12 and the third covering part 13 cooperate to cover the patient's left knee joint, the second end of the first strap 2 passes through the first connecting hole 141 on the fourth covering part 14 and is fixed to the bed 10, the second end of the second strap 3 passes through the second connecting hole 131 on the third covering part 13 and is fixed to the bed 10, so that the patient's left knee joint and right knee joint are fixed respectively, when the patient struggles violently, even if the first strap 2 and the second strap 3 are further tightened, it will not cause excessive pressure between the patient's left knee joint and the right knee joint, thereby avoiding the left knee joint and the right knee joint being squeezed against each other and causing injury when the patient struggles violently. Moreover, the tension of the first strap 2 and the tension of the second strap 3 can make the patient's left knee joint and right knee joint fit closely to both sides of the connecting portion 15, so that the patient's left knee joint and right knee joint fit as close as possible, which is conducive to reducing the range of motion of the patient's knee joint. In addition, the knee joint fixation belt in this embodiment relies on the fixation belt body 1 to cover the patient's knee joint, and the tension of the first strap 2 and the second strap 3 does not directly act on the patient's limbs. The fixation belt body 1 can disperse the tension of the strap, avoiding the knee joint fixation belt from exerting excessive local pressure on the patient and causing pressure sores.
[0041] Furthermore, the fixing belt body 1, the first strap 2 and the second strap 3 are all made of flexible materials, so as to improve the patient's comfort and avoid skin injury when the patient struggles.
[0042] Furthermore, the first covering part 11, the second covering part 12, the third covering part 13 and the fourth covering part 14 all include a first lining cloth layer, a second lining cloth layer and a pad, the first lining cloth layer is fixedly connected to the second lining cloth layer, and the pad is sandwiched between the first lining cloth layer and the second lining cloth layer. The pad plays a buffering role to improve the protection and comfort of the patient. In this embodiment, the first covering part 11 and the fourth covering part 14 are sewn as one piece, that is, the first lining cloth layer of the first covering part 11 and the first lining cloth layer of the fourth covering part 14 are one piece, the second lining cloth layer of the first covering part 11 and the second lining cloth layer of the fourth covering part 14 are one piece, and the pad of the first covering part 11 and the pad of the fourth covering part 14 are one piece. Similarly, the second covering part 12 and the third covering part 13 are sewn as one piece. The first covering part 11 and the fourth covering part 14 are integrated as a whole, and the second covering part 12 and the third covering part 13 are integrated as a whole, and the middle parts of the two are sewn together to form the fixing belt body 1. The first lining cloth layer and the second lining cloth layer are both made of cotton cloth, and the lining is a cotton lining.
[0043] Furthermore, the first binding belt 2 and the second binding belt 3 are made of cotton cloth.
[0044] Optionally, the first covering portion 11, the second covering portion 12, the third covering portion 13 and the fourth covering portion 14 are of the same size, so that the right knee joint and the left knee joint of the patient have the same covering feeling, thereby improving the comfort of using the knee fixation belt.
[0045] Optionally, two first straps 2 and two second straps 3 are provided. The two first straps 2 are respectively provided at two ends of the first covering portion 11 along the first direction, and the two second straps 3 are respectively provided at two ends of the second covering portion 12 along the first direction.
[0046] Optionally, the distance between the connection points of the two first straps 2 and the first covering portion 11 is equal to the distance between the two second straps 3 and the second covering portion 12, and the distance between the two first connection holes 141 is equal to the distance between the two second connection holes 131. When the knee joint fixation belt fixes the patient's knee joint, the patient's left knee joint and right knee joint can have similar forces, so as to improve the patient's comfort.
[0047] The knee joint fixation belt provided in this embodiment has a simple structure, is easy to operate, and has low cost. It avoids the left knee joint and the right knee joint from being squeezed against each other and causing damage when the patient struggles violently; and it can make the patient's left knee joint and the right knee joint fit as close as possible, which is conducive to reducing the range of motion of the patient's knee joint. In addition, the fixation belt body 1 can disperse the tension of the strap, avoid the knee joint fixation belt from exerting excessive local pressure on the patient and causing pressure sores, and the patient is highly comfortable in use.
[0048] Embodiment 2
[0049] like Figure 2 and Figure 3 As shown, this embodiment provides a knee joint fixing structure, including the knee joint fixing belt in the first embodiment, and also includes a hospital bed 10, the hospital bed 10 includes a bed body 101, a first fixing rod 102 and a second fixing rod 103, the first fixing rod 102 and the second fixing rod 103 are respectively fixedly arranged on both sides of the length direction of the bed body 101, and a gap is arranged between the first fixing rod 102 and the second fixing rod 103, so that the first binding strap 2 and the second binding strap 3 can pass through the gap and be wound around the first fixing rod 102 and the second fixing rod 103. The first covering portion 11 and the fourth covering portion 14 cooperate to cover the right knee joint of the patient, the second covering portion 12 and the third covering portion 13 cooperate to cover the left knee joint of the patient, the second end of the first binding strap 2 passes through the corresponding first connecting hole 141 and then connects to the first fixing rod 102, and the second end of the second binding strap 3 passes through the corresponding second connecting hole 131 and then connects to the second fixing rod 103. The first fixing rod 102 and the second fixing rod 103 are arranged on both sides of the bed body 101 to facilitate the fixing of the first binding strap 2 and the second binding strap 3.
[0050] Furthermore, if Figure 2 and Figure 3 As shown, the second end of the first strap 2 is tied to the first fixing rod 102, and the second end of the second strap 3 is tied to the second fixing rod 103. Specifically, in this embodiment, one first strap 2 is above the first fixing rod 102, and one first strap 2 is below the first fixing rod 102, and the ends of the two are tied to achieve the connection between the two first straps 2 and the first fixing rod 102. In other embodiments, the two first straps 2 can also be tied to the first fixing rod 102 respectively. The connection and fixing method of the second strap 3 to the bed 10 is the same as that of the first strap 2.
[0051] Furthermore, if Figure 2 and Figure 3 As shown, the hospital bed 10 also includes two first limiting rods 104 and two second limiting rods 105. The two first limiting rods 104 are arranged in the gap between the bed body 101 and the first fixing rod 102 at intervals along the first direction. The first limiting rods 104 are fixedly connected to the first fixing rod 102 at one end and fixedly connected to the bed body 101 at the other end. The two first binding straps 2 are tied between the two first limiting rods 104. The two first limiting rods 104 play a role in limiting the first binding straps 2, so as to prevent the first binding straps 2 from slipping off the first fixing rod 102 along the length direction of the first fixing rod 102 when the patient struggles. The first limiting rod 104 also plays a role in fixing the first fixing rod 102 to the bed body 101. The two second limiting rods 105 are arranged in the gap between the bed body 101 and the second fixing rod 103 at intervals along the first direction. The second limiting rods 105 are fixedly connected to the first fixing rod 102 at one end and fixedly connected to the bed body 101 at the other end. The two second straps 3 are tied between the two second limiting rods 105, and the two second limiting rods 105 limit the second straps 3 to prevent the second straps 3 from slipping off the second fixing rod 103 along the length direction of the second fixing rod 103 when the patient struggles. The second limiting rods 105 also fix the second fixing rod 103 to the bed body 101.
[0052] Embodiment 3
[0053] like Figure 4 and Figure 5As shown, this embodiment also provides a knee joint fixing structure, including the knee joint fixing belt in the first embodiment, and also including a hospital bed 10, the hospital bed 10 includes a bed body 101, a first fixing rod 102 and a second fixing rod 103, the first fixing rod 102 and the second fixing rod 103 are respectively fixedly arranged on both sides of the length direction of the bed body 101, and a gap is arranged between the first covering part 11 and the fourth covering part 14 to cover the right knee joint of the patient, the second covering part 12 and the third covering part 13 to cover the left knee joint of the patient, the second end of the first strap 2 passes through the corresponding first connecting hole 141 and then connects to the first fixing rod 102, and the second end of the second strap 3 passes through the corresponding second connecting hole 131 and then connects to the second fixing rod 103. The first fixing rod 102 and the second fixing rod 103 are arranged on both sides of the bed body 101 to facilitate the fixing of the first strap 2 and the second strap 3.
[0054] Furthermore, if Figure 4 and Figure 5 As shown, the second end of the first strap 2 passes through the gap between the first fixing rod 102 and the bed 101 and is wound around the first fixing rod 102, and the second end of the second strap 3 passes through the gap between the second fixing rod 103 and the bed 101 and is wound around the second fixing rod 103, and the second end of the first strap 2 and the corresponding second strap 3 are both extended to the top of the fixing belt body 1 and tied together. In other words, the ends of the first strap 2 and the second strap 3 are tied and tied above the patient's legs. This fixing method can more firmly fix the patient's knee joint and improve the restraint effect on the patient's lower limbs. In addition, due to the presence of the cotton pad in the fixing belt body 1, the first strap 2 and the second strap 3 located above the patient's legs will not cause excessive pressure on the local area of the patient's knee joint.
[0055] Furthermore, if Figure 4 and Figure 5As shown, the hospital bed 10 further includes two first limiting rods 104 and two second limiting rods 105. The two first limiting rods 104 are arranged in the gap between the bed body 101 and the first fixing rod 102 at intervals along the first direction. The first limiting rods 104 are fixedly connected to the first fixing rod 102 at one end and fixedly connected to the bed body 101 at the other end. The first binding straps 2 are located between the two first limiting rods 104. The two first limiting rods 104 limit the first binding straps 2 to prevent the first binding straps 2 from slipping off the first fixing rod 102 along the length direction of the first fixing rod 102 when the patient struggles. The first limiting rods 104 also fix the first fixing rod 102 to the bed body 101. Two second limiting rods 105 are arranged in the gap between the bed 101 and the second fixing rod 103 at intervals along the first direction. One end of each second limiting rod 105 is fixedly connected to the first fixing rod 102, and the other end is fixedly connected to the bed 101. The second binding strap 3 is located between the two second limiting rods 105. The two second limiting rods 105 limit the second binding strap 3 to prevent the second binding strap 3 from slipping off the second fixing rod 103 along the length direction of the second fixing rod 103 when the patient struggles. The second limiting rods 105 also fix the second fixing rod 103 to the bed 101.
[0056] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and substitutions without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.
Claims
1. A knee joint fixation belt, characterized in that: include: A fixing belt body (1), comprising a first covering portion (11), a second covering portion (12), a third covering portion (13) and a fourth covering portion (14); a first end of the first covering portion (11), a first end of the second covering portion (12), a first end of the third covering portion (13) and a first end of the fourth covering portion (14) are fixedly connected to form a connecting portion (15) extending along a first direction; the first covering portion (11), the second covering portion (12), the third covering portion (13) and the fourth covering portion (14) are sequentially arranged along the circumference of the connecting portion (15); A first binding strap (2), wherein the second end of the first covering portion (11) is provided with a plurality of the first binding straps (2) spaced apart along the first direction, and the first ends of the first binding straps (2) are all fixedly connected to the first covering portion (11); A second binding belt (3), wherein the second end of the second covering portion (12) is provided with a plurality of second binding belts (3) spaced apart along the first direction, and the first ends of the second binding belts (3) are all fixedly connected to the second covering portion (12); The second end of the fourth covering portion (14) is provided with a plurality of first connection holes (141) arranged at intervals along the first direction for the second end of the first binding belt (2) to pass through, and the first connection holes (141) are arranged in a one-to-one correspondence with the first binding belt (2); The second end of the third covering portion (13) is provided with a plurality of second connection holes (131) spaced apart along the first direction for the second end of the second binding strap (3) to pass through, and the second connection holes (131) are arranged in a one-to-one correspondence with the second binding strap (3).
2. The knee joint fixation belt according to claim 1, characterized in that: The fixing belt body (1), the first binding belt (2) and the second binding belt (3) are all made of flexible materials.
3. The knee joint fixation belt according to claim 2, characterized in that: The first covering portion (11), the second covering portion (12), the third covering portion (13) and the fourth covering portion (14) all comprise a first lining cloth layer, a second lining cloth layer and a pad, the first lining cloth layer is fixedly connected to the second lining cloth layer, and the pad is sandwiched between the first lining cloth layer and the second lining cloth layer.
4. The knee joint fixation belt according to claim 1, characterized in that: The first covering portion (11), the second covering portion (12), the third covering portion (13) and the fourth covering portion (14) have the same size.
5. The knee joint fixation belt according to claim 4, characterized in that: Two of the first binding straps (2) and two of the second binding straps (3) are provided.
6. The knee joint fixation belt according to claim 5, characterized in that: The distance between the connection points of the two first binding straps (2) and the first covering portion (11) is equal to the distance between the connection points of the two second binding straps (3) and the second covering portion (12), and the distance between the two first connecting holes (141) is equal to the distance between the two second connecting holes (131).
7. A knee joint fixation structure, characterized in that: The invention comprises a knee joint fixation belt as claimed in any one of claims 1 to 6, and also comprises a hospital bed (10), wherein the hospital bed (10) comprises a bed body (101), a first fixing rod (102) and a second fixing rod (103), wherein the first fixing rod (102) and the second fixing rod (103) are respectively fixedly arranged on both sides of the length direction of the bed body (101), and a gap is arranged between the first fixing rod (102) and the second fixing rod (103), wherein the first covering portion (11) and the fourth covering portion (14) cooperate to cover the right knee joint of the patient, and the second covering portion (12) and the third covering portion (13) cooperate to cover the left knee joint of the patient, and the second end of the first binding strap (2) passes through the corresponding first connecting hole (141) and is connected to the first fixing rod (102), and the second end of the second binding strap (3) passes through the corresponding second connecting hole (131) and is connected to the second fixing rod (103).
8. The knee joint fixation structure according to claim 7, characterized in that: The second end of the first binding strap (2) is tied to the first fixing rod (102), and the second end of the second binding strap (3) is tied to the second fixing rod (103).
9. The knee joint fixation structure according to claim 7, characterized in that: The second strap (3) and the first strap (2) are arranged in a one-to-one correspondence, the second end of the first strap (2) passes through the gap between the first fixing rod (102) and the bed body (101) and is wound around the first fixing rod (102), the second end of the second strap (3) passes through the gap between the second fixing rod (103) and the bed body (101) and is wound around the second fixing rod (103), and the second end of the first strap (2) and the corresponding second end of the second strap (3) both extend to the top of the fixing strap body (1) and are tied and fastened.
10. The knee joint fixation structure according to claim 8 or 9, characterized in that: The hospital bed (10) further comprises: Two first limiting rods (104), the two first limiting rods (104) are arranged in a gap between the bed body (101) and the first fixing rod (102) at intervals along the length direction of the hospital bed (10), one end of each of the first limiting rods (104) is fixedly connected to the first fixing rod (102), and the other end is fixedly connected to the bed body (101), and the first binding belt (2) is located between the two first limiting rods (104); Two second limiting rods (105), the two second limiting rods (105) are arranged in a gap between the bed body (101) and the second fixing rod (103) at intervals along the length direction of the hospital bed (10), one end of each of the second limiting rods (105) is fixedly connected to the first fixing rod (102), and the other end is fixedly connected to the bed body (101), and the second binding straps (3) are located between the two second limiting rods (105).