CN220554525U - Knee joint fixing frame convenient to adjust - Google Patents

Abstract

The application discloses knee joint mount convenient to adjust belongs to mount technical field. The knee joint fixing frame comprises: the two fixing assemblies are respectively fixed on the outer sides of the thighs and the calves; the support rod is arranged between the two fixed assemblies, both ends of the support rod are rotatably arranged at the outer sides of the corresponding fixed assemblies through rotating pins, and at least one end of the support rod can slide relative to the corresponding rotating pins; and the limiting component is arranged at one end of the supporting rod, which can slide relative to the corresponding rotating pin, and is used for limiting the sliding range of the supporting rod relative to the corresponding rotating pin. According to the technical scheme, the sliding range of the supporting rod is adjusted through the limiting component, so that the supporting rod is driven to slide in the moving range when the knee joint is bent, the bending range of the knee joint is limited through the supporting rod, and unnecessary damage caused by excessive bending of the knee joint of a patient in a rehabilitation stage is prevented.

Description

Easily adjustable knee brace

Technical field

The present application relates to the technical field of fixators, and more specifically, to an easily adjustable knee joint fixator.

Background technique

An adjustable knee brace is a medical device used to support and stabilize the knee joint. It is designed to treat and rehabilitate a variety of knee conditions and injuries, such as knee sprains, meniscal injuries, ACL ruptures, and more.

In the related art, fixation screws and fixation straps are often used to fix the knee joint. However, these traditional methods have problems such as difficulty in adjusting the fixation strength, inability to adapt to individual differences, and lack of flexibility. In order to make the fixation frame easy to adjust the fixation strength to adapt to different individuals, for example, the prior art publication number CN219166814U provides a A knee joint support with adjustable supporting force. The device adjusts the tightness of the adjustment plate by turning the adjustment plate left and right to adjust the tightness between the adjustment frame and the connecting plate on the first and second supports. degree, thereby adjusting the support strength of the knee joint bracket, thereby improving the practicality of the knee joint bracket, allowing the knee joint bracket to adjust the installation position according to the user's height and comfort.

Although the above-mentioned existing technical solution can achieve the effect of adjusting the knee joint support strength by adjusting the tightness of the adjusting plate, the adjusting plate cannot limit the range of motion of the knee joint, causing the user to move in different rehabilitation stages. When using the knee joint, it is easy for the knee joint to move and bend too much, which is not conducive to patients at different stages of recovery.

Utility model content

The purpose of this application is to provide a knee joint fixator that is easy to adjust and solves the technical problem of being unable to limit the range of motion of the knee joint, which is unfavorable for use by patients at different rehabilitation stages.

This application provides an easily adjustable knee brace, including:

There are two fixing components, and the two fixing components are respectively fixed on the outer sides of the thigh and the calf;

A support rod is provided between the two fixed components. Both ends of the support rod are rotated outside the corresponding fixed components through rotation pins, and at least one end of the support rod can be rotated relative to the corresponding fixed component. The turning pin slides;

A limiter component is provided at one end of the support rod that can slide relative to the corresponding rotation pin, and is used to limit the sliding range of the support rod relative to the corresponding rotation pin. The limiter component includes two oppositely arranged There are two limit blocks, and the two limit blocks are respectively arranged on both sides corresponding to the rotation pin.

Preferably, the fixing components each include a fixing plate A, and one end of the fixing plate A is connected to the corresponding rotation pin;

A strap is fixed on the outer side of one end of the fixed plate A away from the rotation pin. The strap is attached to the outer side of the fixed plate A and passes through the other end of the fixed plate A;

One end of the strap passing through the fixing plate A can be fixed to a strap portion fixedly arranged outside the fixing plate A.

Preferably, a Velcro is fixed on the side where the strap passes through part A of the fixing plate;

A hook-and-loop fastener is provided on one side of the outer portion of the fixing plate A where the strap is fixed.

Preferably, one end of the strap passing through corresponding to the fixing plate A is also provided with a fixing plate B;

The part of the strap that passes through the fixing plate B can be fixed to the strap part provided outside the fixing plate A.

Preferably, a Velcro is fixed on one side of the part where the strap passes through the fixing plate B;

The strap is fixed on one side of the outer part of the fixing plate A and is fixed with a Velcro strap.

Preferably, the rotation pin includes a rotation pin A that is rotatably arranged outside one of the fixed plates A, and the other side of the rotation pin A is fixedly connected to the support rod;

The rotation pin also includes a rotation pin B that is rotatably arranged outside the other fixed plate A. The other end of the support rod slides through the rotation pin B, and

The two limiting blocks are respectively arranged on both sides of the rotation pin B.

Preferably, the two limit blocks are slidably sleeved on the outside of the support rod, and the top ends of the limit blocks are threaded with fixing bolts, and the fixing bolts can fix the corresponding limit blocks to the support. outside of the rod.

Preferably, the other end of the rotation pin B is provided with a strength adjustment assembly for adjusting the sliding resistance of the support rod. The strength adjustment assembly includes a knob, and a bolt is fixedly provided on one side of the knob close to the rotation pin B. Column, the thread of the bolt column is provided inside the rotating pin B;

A spring is slidably provided at the other end of the bolt column, and a pressure plate is fixedly provided at the other end of the spring. The pressure plate is slidably provided on the outside of the support rod through a slider;

A chute is provided on the inner side of the support rod, and the slide block is slidably disposed on the inner side of the chute.

By adopting the above technical solution, the two leg fixing assemblies are respectively fixed on the outer sides of the user's thighs and calves, and then the support rod is limited to the outer side of the leg fixing assembly through the limiting assembly, so that the support rod cannot slide, thereby preventing the legs from sliding. The upper fixation component restricts the patient's leg from moving. When the knee joint is in the rehabilitation stage, the sliding distance of the support rod is adjusted through the limiting component, thereby limiting the bending range of the knee joint through the support rod, and through the outside of the leg fixation component The strength adjustment component adjusts the resistance of the support rod when it slides, and can adjust the support strength of the knee joint, so that patients can adjust the knee joint at different rehabilitation stages, which is beneficial to the rehabilitation of knee joint patients.

When fixing the leg fixation assembly, place the two fixing plates A on the outside of the thigh and calf respectively, then wrap the strap around the outside of the leg, and finally stick the Velcro on the outside of the strap to the outside of the Velcro so that It is suitable for fixing the fixing plate A on the leg through straps and is easy to remove.

When fixing the fixing plate A, move the fixing plate B on the outside of the strap to the back of the leg, and then fix the fixing plate A and the fixing plate B on the outside of the leg at the same time through the strap, and use the fixing plate B to increase the strap and the leg The contact area of the patient's body is reduced, and protective pads are provided on the inside of fixed plate A and fixed plate B for protection, making the patient more comfortable to use.

When the patient's knee joint bends, the big and small legs respectively drive the two fixed plates A to move. When the lower leg drives the fixed plate A to move, the fixed plate A drives the rotating pin B to slide on the outside of the support rod. At this time, the support rod is adjusted through the strength adjustment component. The sliding resistance can cause the fixed plate A to receive different resistances when driving the rotating pin B to slide, so that the knee joint receives different support forces when bending, thereby facilitating the adjustment of the support strength of the support rod.

When adjusting the sliding resistance of the support rod, the bolt column is fed inside the rotating pin B by turning the knob, so that the bolt column compresses the spring, and exerts pressure on the pressure plate through the spring, so that the pressure of the pressure plate on the support rod changes. When the support rod is subjected to Different pressures on the pressure plate will produce different resistances, which facilitates the adjustment of the support force of the support rod.

When the knee joint bends, the rotation pin B will be driven to slide on the outside of the support rod. At this time, the sliding range of the rotation pin B can be adjusted through the sliding limit block. After adjustment, the limit block is fixed on the support rod through the fixing bolt. On the outside, the rotating pin B is limited when sliding to the outside of the limiting block to prevent unnecessary damage caused by excessive bending and movement of the knee joint during the rehabilitation stage.

One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

(1) In the technical solution of this application, a limiter component is provided on the outside of the support rod. The sliding range of the support rod is adjusted through the limiter component, so that when the knee joint bends, the support rod is driven to slide within the movement range, which solves the problem that cannot be achieved in the prior art. Limiting the range of motion of the knee joint causes problems that are not conducive to use by patients in different rehabilitation stages, thereby preventing patients from unnecessary injuries caused by excessive bending of the knee joint during the rehabilitation stage.

(2) This application sets a strength adjustment component on the outside of the leg fixation component. When the support rod slides, the strength adjustment component adjusts the sliding resistance of the support rod, thereby adjusting the bending resistance of the knee joint, so that the knee joint can recover in different conditions. Different strengths of support can be provided at different stages, which is beneficial to the patient's recovery.

(3) This application provides another leg fixation component by sliding on the outside of the support rod. When fixing the two leg fixation components, it is easy to adjust the fixation position according to the patient's leg position to adapt to different patients.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an easily adjustable knee joint fixator disclosed in an embodiment of the present application;

Figure 2 is a schematic front structural view of the easily adjustable knee joint fixator disclosed in the embodiment of the present application;

Figure 3 is a schematic exploded view of the easily adjustable knee joint fixator disclosed in the embodiment of the present application;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 3;

Description of numbers in the figure: 1. Leg fixation component; 11. Fixing plate A; 12. Strap; 13. Velcro; 14. Female Velcro; 15. Fixing plate B; 16. Pad; 17. Rotating pin A; 18. Rotating pin B;

2. Support rod; 21. Chute;

3. Strength adjustment component; 31. Knob; 32. Bolt column; 33. Spring; 34. Pressure plate; 35. Slider;

4. Limit component; 41. Limit block; 42. Fixing bolt.

Detailed ways

The present application will be further described in detail below with reference to the accompanying drawings.

Referring to Figures 1, 2 and 3, an embodiment of the present application discloses a knee joint fixation frame that is easy to adjust, including two leg fixation assemblies 1. The two leg fixation assemblies 1 are respectively fixed on the user's thighs and calves. Legs, one of the leg fixing components 1 is provided with a support rod 2 on the outside, the support rod 2 is slidingly provided on the outside of the other leg fixing component 1, and a strength adjustment component 3 is provided on the outside of the leg fixation component 1, the strength adjustment component 3 is used to adjust the support strength of the support rod 2 to the leg fixation component 1. A limiting component 4 is provided on the outside of the support rod 2 for limiting the bending and movement of the knee joint.

The two leg fixing assemblies 1 are respectively fixed on the outer sides of the user's thighs and calves, and then the support rod 2 is limited to the outside of the leg fixing assembly 1 through the limiting assembly 4, so that the support rod 2 cannot slide, thereby preventing the legs from sliding. The fixed component 1 restricts the patient's legs from moving. When the knee joint is in the rehabilitation stage, the sliding distance of the support rod 2 is adjusted through the limiting component 4, thereby limiting the bending range of the knee joint through the support rod 2, and through the leg The strength adjustment component 3 on the outside of the fixed component 1 adjusts the resistance of the support rod 2 when sliding, and can adjust the support strength of the knee joint, so that the patient can adjust the knee joint at different rehabilitation stages, which is beneficial to the rehabilitation of knee joint patients.

Referring to Figure 1, the two leg fixing assemblies 1 each include a fixing plate A11. One of the fixing plates A11 is rotatably disposed on one end of the support rod 2, and the other fixing plate A11 is slidably disposed on the outside of the support rod 2. One end of the fixing plate A11 is both A strap 12 is fixedly provided. The other end of the strap 12 is located outside the fixing plate A11. A Velcro 13 is fixedly provided on the side of the strap 12 close to the fixing plate A11. A Velcro 13 is fixedly provided on the outside of the fixing plate A11 corresponding to the Velcro 13. Mother post 14.

When fixing the leg fixation assembly 1, place the two fixing plates A11 on the outside of the thigh and calf respectively, then wrap the strap 12 around the outside of the leg, and finally stick the Velcro 13 on the outside of the strap 12 to the magic mother. Stick 14 on the outside so that the fixing plate A11 can be fixed on the leg through the strap 12 and can be easily removed.

Referring to Figures 1 and 2, in a more preferred embodiment, a fixed plate B15 is slidably provided on the outside of the strap 12, and a protective pad 16 is fixedly provided on the sides of the fixed plate A11 and the fixed plate B15 that are close to each other.

When fixing the fixed plate A11, the fixed plate B15 on the outside of the mobile strap 12 is located behind the leg, and then the fixed plate A11 and the fixed plate B15 are simultaneously fixed on the outside of the leg through the strap 12, and the strap is added through the fixed plate B15 12 and the leg contact area, and protective pads 16 are provided on the inside of the fixing plate A11 and the fixing plate B15 for protection, making the patient more comfortable to use.

Referring to Figure 1, one of the fixed plates A11 is provided with a rotating pin A17 that rotates on the outside, and the rotating pin A17 is fixedly provided on one end of the support rod 2. The other fixed plate A11 is provided with a rotating pin B18 that is rotated on the outside, and the rotating pin B18 is slidably provided on the support rod. 2, the other end of the rotation pin B18 is provided with a strength adjustment component 3 for adjusting the sliding resistance of the support rod 2.

When the patient's knee joint is bent, the big and small legs respectively drive the two fixed plates A11 to move. When the lower leg drives the fixed plate A11 to move, the fixed plate A11 drives the rotating pin B18 to slide on the outside of the support rod 2. At this time, it is adjusted by the strength adjustment component 3 The sliding resistance of the support rod 2 can cause the fixed plate A11 to receive different resistances when driving the rotation pin B18 to slide, so that the knee joint receives different support forces when bending, thereby facilitating the adjustment of the support strength of the support rod 2.

Referring to Figures 1 and 4, the strength adjustment assembly 3 includes a knob 31. A bolt column 32 is fixedly provided on one side of the knob 31 close to the rotation pin B18. The bolt column 32 is threadedly provided inside the rotation pin B18, and the other end of the bolt column 32 is slidably provided. There is a spring 33, and a pressure plate 34 is fixedly provided at the other end of the spring 33. The pressure plate 34 is slidably installed on the outside of the support rod 2 through a slider 35. A slide groove 21 is provided on the inside of the support rod 2. The slider 35 is slidably installed on the inside of the slideway 21. , the outer side of the support rod 2 is provided with limiting components 4 on both sides of the rotation pin B18.

When adjusting the sliding resistance of the support rod 2, the bolt column 32 is fed inside the rotating pin B18 by rotating the knob 31, causing the bolt column 32 to compress the spring 33, and applying pressure to the pressure plate 34 through the spring 33, so that the pressure plate 34 presses against the support rod. When the pressure of the support rod 2 changes, different resistances will be generated when the support rod 2 is subjected to different pressures from the pressure plate 34, thereby facilitating the adjustment of the support force of the support rod 2.

Referring to Figures 3 and 4, the limiting assembly 4 includes limiting blocks 41. The limiting blocks 41 are located on both sides of the rotation pin B18. The limiting blocks 41 are slidably disposed on the outside of the support rod 2. The tops of the limiting blocks 41 are threaded. Fixing bolts 42 are provided, and the limiting block 41 is fixed to the outside of the support rod 2 through the fixing bolts 42 .

When the knee joint bends, the rotation pin B18 will be driven to slide on the outside of the support rod 2. At this time, the sliding range of the rotation pin B18 can be adjusted by sliding the limit block 41. After adjustment, the limit block 41 is fixed by the fixing bolt 42. On the outside of the support rod 2, the rotation pin B18 is limited when sliding to the outside of the limiting block 41 to prevent unnecessary damage caused by excessive bending and movement of the knee joint during the rehabilitation stage.

To sum up the above, when using the easily adjustable knee joint fixation frame disclosed in the embodiment of the present application, the leg fixation component 1 is first fixed on the patient's leg. When fixing, the two fixing plates A11 are placed on the outside of the thigh and calf respectively. , then move the fixing plate B15 on the outside of the strap 12 to the back of the leg, then wrap the strap 12 around the outside of the leg, and finally stick the Velcro 13 on the outside of the strap 12 to the outside of the Velcro 14, and fix it The plate B15 increases the contact area between the strap 12 and the legs, and a protective pad 16 is provided on the inside of the fixed plate A11 and the fixed plate B15 for protection, making the patient more comfortable to use;

When the patient's knee joint is fixed, the limit blocks 41 in the sliding limit assembly 4 are located on both sides of the rotation pin B18, and then the limit blocks 41 are fixed on the outside of the support rod 2 through the fixing bolts 42, so that the support rod 2. It cannot slide inside the rotation pin B18, which makes the knee joint unable to bend;

When the knee joint is allowed to bend and move within a certain range, the sliding range of the rotation pin B18 can be adjusted by sliding the limit block 41. After adjustment, the limit block 41 is fixed on the outside of the support rod 2 through the fixing bolt 42, so that The rotation pin B18 is limited when sliding to the outside of the limiting block 41 to prevent unnecessary damage to the knee joint caused by excessive bending and movement during the rehabilitation stage;

And at different recovery stages, the rotary knob 31 can cause the bolt column 32 to feed inside the rotating pin B18, so that the bolt column 32 compresses the spring 33, and exerts pressure on the pressure plate 34 through the spring 33, so that the pressure plate 34 exerts pressure on the support rod 2 Change, when the support rod 2 is subjected to different pressures from the pressure plate 34, different resistances will be generated, which facilitates the adjustment of the support force of the support rod 2 and is conducive to the rapid recovery of patients at different rehabilitation stages.

The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

Claims (8)

1. Knee joint mount convenient to adjust, its characterized in that contains:

the fixing assemblies are arranged in two, and the two fixing assemblies are respectively fixed on the outer sides of thighs and calves;

the support rod is arranged between the two fixing assemblies, two ends of the support rod are rotatably arranged at the outer sides corresponding to the fixing assemblies through rotating pins, and at least one end of the support rod can slide relative to the corresponding rotating pin;

the limiting component is arranged at one end of the supporting rod, which can slide relative to the corresponding rotating pin, and is used for limiting the sliding range of the supporting rod relative to the corresponding rotating pin, and comprises two limiting blocks which are oppositely arranged, and the two limiting blocks are respectively arranged at two sides of the corresponding rotating pin.

2. The knee joint fixing mount of claim 1, wherein the fixing assemblies each comprise a fixing plate a, one end of the fixing plate a being connected with the corresponding rotation pin;

the outer sides of one ends, far away from the corresponding rotating pins, of the fixing plates A are fixedly provided with binding bands, and the binding bands are attached to the outer sides of the corresponding fixing plates A and penetrate out from the other ends of the corresponding fixing plates A;

one end of the binding belt penetrating out of the fixing plate A can be fixed with a binding belt part fixedly arranged on the outer side of the fixing plate A.

3. The knee joint fixing frame according to claim 2, wherein a magic sub-patch is fixedly arranged on one side of the strap penetrating out of the fixing plate A part;

the binding band is fixedly arranged on one side of the outer side part of the fixing plate A, and a magic tape is correspondingly arranged on one side of the outer side part of the fixing plate A.

4. The knee joint fixing frame according to claim 2, wherein one end of the binding belt, which passes out of the fixing plate a, is also provided with a fixing plate B;

the part of the binding belt penetrating out of the fixing plate B can be fixed with the binding belt part arranged outside the fixing plate A.

5. The knee joint fixing frame according to claim 4, wherein a magic sub-patch is fixedly arranged on one side of the part of the binding belt penetrating out of the fixing plate B;

the binding band is fixedly arranged on one side of the outer side part of the fixing plate A, and a magic tape is correspondingly and fixedly arranged on the side of the outer side part of the fixing plate A.

6. The knee joint fixing frame according to claim 2, wherein the rotation pin includes a rotation pin a rotatably provided at an outer side of one of the fixing plates a, and the other side of the rotation pin a is fixedly connected with the support rod;

the rotating pin further comprises a rotating pin B which is rotatably arranged on the outer side of the other fixed plate A, the other end of the supporting rod is slidably penetrated through the rotating pin B, and

the two limiting blocks are respectively arranged on two sides of the rotating pin B.

7. The knee joint fixing frame according to claim 6, wherein two limiting blocks are both sleeved on the outer side of the supporting rod in a sliding mode, fixing bolts are arranged on the top ends of the limiting blocks in a threaded mode, and the corresponding limiting blocks can be fixed on the outer side of the supporting rod through the fixing bolts.

8. The knee joint fixing bracket of claim 6, wherein the other end of the rotation pin B is provided with a force adjusting component for adjusting the sliding resistance of the support rod, the force adjusting component comprises a knob, one side of the knob, which is close to the rotation pin B, is fixedly provided with a bolt column, and the bolt column is arranged in the rotation pin B in a threaded manner;

the other end of the bolt column is provided with a spring in a sliding manner, the other end of the spring is fixedly provided with a pressing plate, and the pressing plate is arranged on the outer side of the supporting rod in a sliding manner through a sliding block;

the inner side of the supporting rod is provided with a sliding groove, and the sliding block is arranged on the inner side of the sliding groove in a sliding way.