CN106691658A - Knee-joint fixing supporting tool - Google Patents

Abstract

The present invention relates to the field of medical devices, in particular to a knee joint fixation brace, which includes a first fixation frame, a second fixation frame, a connecting frame, an adjustment rod, a limiting device and two connecting pieces; The first fixed frame and the second fixed frame are respectively hinged with the connecting frame; one end of the two connectors is connected by a limit device and moves with the limit device, and the other ends are respectively hinged with the first fixed frame and the second fixed frame; through The two connecting parts give the user a supporting force and reduce the fatigue of the user's legs. One end of the adjusting rod is connected to the connecting frame, and the other end passes through the limit device, and the limit device can move along the axial direction of the adjusting rod, thereby driving the two connecting parts to move, and then driving the first fixed frame and the second fixed frame to move , through the arbitrary angle adjustment between the first fixed frame and the second fixed frame, it is convenient for the user to carry out the knee joint rehabilitation training of passive flexion and extension.

Description

A knee fixation brace

technical field

The invention relates to the technical field of medical appliances, in particular to a knee joint fixation brace.

Background technique

Fractures around the knee joint, meniscal damage, and bilateral ligament damage or repair of the knee generally require fixed support in order to restore the knee joint’s movement function. The most traditional method is to fix it with plaster, but after the plaster is fixed, the joint cannot Activities affect the circulatory metabolism of the joints.

In order to solve this problem, a knee joint fixation brace has appeared on the market. This brace generally includes two leg fixation devices arranged at an angle, which are used to fix the patient's leg at a certain angle, but in order for the patient to move faster, For better recovery, patients are generally advised to moderately adjust the angle between the thigh and calf according to their own recovery conditions, so that the legs can feel a little stretched.

In the existing knee joint fixation braces, although the angle between the two leg fixation devices of some products can be adjusted, they are generally gear adjustments, and the adjustment range is relatively large, which is easy to bring pain to the patient, and even cause pain. Secondary injury, and there is no support on the back side of the leg, which can easily cause leg fatigue.

Contents of the invention

(1) Technical problems to be solved

The technical problem to be solved by the present invention is to solve the problem that the existing knee joint fixation brace cannot realize stepless adjustment and the lack of support easily causes user's leg fatigue.

(2) Technical solutions

In order to solve the above-mentioned technical problems, the present invention provides a knee joint fixation brace, which includes a first fixing frame, a second fixing frame, a connecting frame, an adjusting rod, a limiting device and two connecting pieces; the first fixing frame and the second fixed frame are respectively hinged with the connecting frame;

One end of the two connectors is connected by the limiting device and moves with the limiting device, and the other ends are respectively hinged to the first fixing bracket and the second fixing bracket, and one end of the adjusting rod It is connected with the connecting frame, and the other end passes through the limiting device, and the limiting device can move along the axial direction of the adjusting rod, and is used to adjust the distance between the first fixing bracket and the second fixing bracket. angle between.

Wherein, one end of the adjusting rod is provided with a ball joint, and the connecting frame is provided with a ball joint hole matching with the ball joint, and the adjusting rod is connected with the connecting frame through a ball joint structure.

Wherein, the limiting device includes a limiting platform, and one end of the two connectors is connected through the limiting platform; the limiting platform is provided with a through hole for passing through the adjusting rod, and the through hole It is a threaded hole, and the adjusting rod is threadedly engaged with the through hole.

Wherein, the limiting device includes a limiting platform and a locking bolt, and one end of the two connectors is connected through the limiting platform; the limiting platform is provided with a through hole for passing through the adjusting rod, so One end of the locking bolt extends into the through hole; the adjusting rod is provided with a chute matching the locking bolt; adjusting the length of the locking bolt extending into the through hole can fix or release the adjustment lever.

Wherein, the limiting device includes a limiting shaft and a locking bolt, and one end of the two connecting pieces is sleeved on the limiting shaft, and both of them can rotate around the limiting shaft; the limiting shaft There is a through hole for piercing the adjusting rod, and one end of the locking bolt extends into the through hole; the adjusting rod is provided with a plane that matches the locking bolt, and the locking bolt is adjusted The length extending into the through hole can fix or release the adjusting rod.

Wherein, both the first fixing frame and the second fixing frame include a frame body and a binding strip, and the binding strip is wound on the frame body to form an annular fixing portion for fixing the legs.

Wherein, the frame body includes at least two fixing strips, and the two ends of the binding strips form ring-shaped fixing parts for fixing the legs through Velcro, and the ring-shaped fixing parts can be adjusted through the Velcro. size.

Wherein, a cushion layer is provided at least on the inner side of the fixing strip and at a position overlapping with the binding strip.

Wherein, the inner side of the fixing strip is covered with a cushion layer.

Wherein, the connecting frame has a structure that is sunken toward the direction of the limiting device, and is used for fixing the knee joint.

(3) Beneficial effects

The above-mentioned technical solution of the present invention has the following advantages: the knee joint fixation brace provided by the present invention includes a first fixing frame, a second fixing frame, a connecting frame, an adjusting rod, a limiting device and two connecting parts; The fixed frame and the second fixed frame are respectively hinged with the connecting frame; one end of the two connecting parts is connected through the limiting device and moves with the limiting device, and the other end is respectively connected with the first The fixing frame and the second fixing frame are hinged; a supporting force is provided to the user through the two connecting pieces, which reduces the fatigue of the user's legs. One end of the adjusting rod is connected to the connecting frame, and the other end passes through the limiting device, and the limiting device can move along the axial direction of the adjusting rod, thereby driving the two connecting pieces to move, and then driving The first fixing frame and the second fixing frame rotate relative to the connecting frame to realize arbitrary angle adjustment between the first fixing frame and the second fixing frame, which is convenient for the user to perform knee joint rehabilitation training of passive flexion and extension.

Description of drawings

Fig. 1 is a schematic structural view of a knee joint fixation brace according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a first fixing frame according to Embodiment 1 of the present invention;

Fig. 3 is a schematic structural diagram of a connecting frame according to Embodiment 1 of the present invention;

Fig. 4 is a structural schematic diagram of the adjusting rod according to Embodiment 1 of the present invention;

Fig. 5 is a schematic structural diagram of a limiting platform according to Embodiment 1 of the present invention;

Fig. 6 is a schematic structural diagram of a connector according to Embodiment 1 of the present invention;

Fig. 7 is a partially enlarged schematic diagram of the limiting device of the second embodiment of the present invention;

Fig. 8 is a schematic diagram of the cross-sectional structure of the adjusting rod according to the second embodiment of the present invention;

Fig. 9 is a partially enlarged schematic diagram of the limiting device of the third embodiment of the present invention;

Fig. 10 is a schematic diagram of the cross-sectional structure of the adjusting rod according to the third embodiment of the present invention.

In the figure: 1: first fixing frame; 11: fixing bar; 111: fixing bar hole;

12: binding strip; 13: cushion layer;

2: The second fixed frame;

3: connecting frame; 31: connecting frame hole; 32: ball hinge hole;

4: adjusting rod; 41: ball joint; 42: chute; 43: plane;

51: Limiting platform; 511: Through hole; 512: Limiting platform side hole;

52: fixing piece; 521: opening on the fixing piece; 522: opening under the fixing piece;

53: locking bolt; 54: limit shaft;

6: connecting piece; 61: connecting piece hole.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, the terms "upper", "lower", "inner", "outer", "front", "rear", "bottom", "top", "front", "side" etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore should not be construed as limiting the invention.

In the description of the present invention, the terms "first", "second" and other words indicating sequence are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred devices or elements must have a specific installation order Or differences in importance, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral ground connection; it can be directly connected or indirectly connected through an intermediary.

Embodiment one

As shown in Figure 1, a knee joint fixation brace provided by an embodiment of the present invention includes a first fixing frame 1, a second fixing frame 2, a connecting frame 3, an adjusting rod 4, a limiting device and two connecting pieces 6 . Wherein, both the first fixed frame 1 and the second fixed frame 2 are hinged to the connecting frame 3 and can rotate relative to the connecting frame 3 . Among the two connecting parts 6, one end of one connecting part 6 is hinged with the first fixed frame 1, and the other end is connected with the limiting device; one end of the other connecting part 6 is hinged with the second fixed frame 2, and the other end is connected with the limiting device Connection, that is, one end of the two connecting pieces 6 is connected through a limiting device. One end of the adjusting rod 4 is connected with the connecting frame 3, and the other end passes through the limiting device, and the limiting device can move along the axial direction of the adjusting rod 4, and when moving, drives the two connecting pieces 6 connected thereto to move, And then drive the first fixed frame 1 and the second fixed frame 2 to rotate relative to the connecting frame 3, realize the arbitrary angle adjustment between the first fixed frame 1 and the second fixed frame 2, avoid in the process of adjusting the brace, due to excessive adjustment angle Large enough to cause pain or secondary injury to the user.

Specifically, in this embodiment, the limiting device is a limiting platform 51, and the outside of the adjusting rod 4 is provided with a screw thread, which passes through the limiting platform 51 and is threadedly connected with the limiting platform 51, and the rotating adjusting lever 4 acts on the screw thread. The rotary motion is converted into the linear motion of the limiting platform 51, so that the limiting platform 51 moves along the axial direction of the adjusting rod 4, and then the movement of the limiting platform 51 drives the connecting piece 6, and the connecting piece 6 drives the first fixed frame 1 and the second fixed frame 1. The second fixed frame 2 rotates relative to the connecting frame 3 to realize the stepless adjustment of the angle between the first fixed frame 1 and the second fixed frame 2 .

Further, both the first fixing frame 1 and the second fixing frame 2 are leg fixing frames, both of which have the same structure, and both include a frame body and a binding strip 12, which are respectively used for thighs and calves when in use, based on the above reasons , preferably, the size of the two will be slightly different.

Specifically, in this embodiment, as shown in FIG. 2, two fixing strips 11 are arranged in parallel and at intervals to form a frame body, and two binding strips 12 are respectively wound on the two fixing strips 11 to form two ring-shaped fixing parts. And two ring-shaped fixing parts are arranged at intervals for fixing the user's legs.

Further, in order to reduce the compression of the fixing strip 11 to the legs, as shown in Figure 1 and Figure 2, a cushion layer 13 is provided at the overlap between the binding strip 12 and the fixing strip 11, when the binding strip 12 is tightened, here The force is the largest. After the cushion layer 13 is provided, the cushion layer 13 can play a good buffering role, thereby reducing the compression of the legs by the fixing strip 11 . More preferably, the inner side of the fixing strip 11 (the side in contact with the legs) completely covers the cushion layer 13 . Specifically, the cushion layer 13 can be made of soft materials such as sponge and thick cotton layer.

Of course, in order to improve comfort, the two fixing strips 11 can also be customized according to the user's leg shape, and they can be fitted to the legs when fixed, or made of soft plastics such as polyethylene (PE) and polypropylene (PP). .

The binding strip 12 can be wound on the fixing strip 11, and then the two ends are bound, or it can be fixed by a traditional button. In this embodiment, preferably, the binding strip 12 is fixed by Velcro, specifically, Velcro It can be arranged at the end of the binding strip 12, or the entire binding strip 12 is covered with Velcro, which is not only convenient to fix, but also convenient to adjust the tightness of the ring-shaped fixing part and the leg by adjusting the sticking position of the Velcro.

Preferably, in this embodiment, a strap made of soft cloth is used as the binding strip, of course, the binding strip can also be made of soft plastic, which is not limited here. In addition, in this embodiment, according to different fixing requirements, multiple fixing strips 11 and binding strips 12 can be added, or binding strips 12 can be reduced, for example, three fixing strips 11 are arranged along the circumferential direction, and one binding strip 12 is used to The fixing bar 11 forms an annular fixing part.

Further, the connecting frame 3 is used to connect the first fixed frame 1 and the second fixed frame 2. As shown in FIG. Rotate on the connecting frame 3. As shown in Figure 3, the connecting frame 3 is a steel frame with a concave structure. When the brace is fixed, the depression of the connecting frame 3 faces the direction of the limit platform 51, and the concave part is attached to the rear of the knee joint to support the popliteal fossa. Reduce the stress on your knees. The upper and lower ends of the connecting frame 3 are provided with connecting frame holes 31 , and the fixing bar 11 is provided with a fixing bar hole 111 . The ends of the connecting frame 3 are hinged to the fixing bars 11 of the first fixing frame 1 and the second fixing frame 2 respectively through the connecting frame holes 31 .

In this embodiment, as shown in Figure 4 and Figure 5, the limit table 51 is provided with a via hole 511 for the adjustment rod 4 to pass through, and the inner wall of the via hole 511 is provided with a thread, which is a threaded hole, and the outside is provided with a threaded adjustment rod 4 Pass through the via hole 511, and screw with the via hole 511. The adjustment rod 4 is connected to the connecting frame 3 through a ball joint structure, as shown in FIG. 4 , a ball joint 41 is provided at one end of the adjustment rod 4 . On the connecting frame 3 , a ball hinge hole 32 cooperating with the ball hinge joint 41 is provided on the outer side toward the limiting platform 51 , and the ball joint joint 41 is placed in the ball hinge hole 32 .

As shown in FIG. 5 , the four corners of the limiting platform 51 are provided with side holes 512 of the limiting platform, which are connected with the connecting piece 6 . The limiting platform 51 and the connecting piece 6 are connected by a fixing piece 52, which is a right-angle bending structure, and is provided with an upper opening 521 and a lower opening 522 of the fixing piece. The upper opening 521 of the fixing part is connected with the connecting part hole 61; the lower opening 522 of the fixing part is fixedly connected with the edge hole 512 of the limiting platform through bolts.

Further, in this embodiment, in order to make the support structure more stable, each connecting piece 6 includes two parallel and opposite support rods. As shown in FIG. 6 , a connecting member hole 61 is provided at both ends of each support rod of the connecting member 6 for connecting with a limiting device or a leg fixing frame. When the limiting platform 51 moves axially along the adjusting rod 4, the connecting piece 6 drives the first fixed frame 1 and the second fixed frame 2 to move relative to the connecting frame 3 to adjust the brace angle; when the limiting platform 51 is fixed relative to the adjusting rod 4 , the connecting piece 6 can be used for support at the back of the leg to reduce leg fatigue, and the selected material should be hard enough. Of course, it is also possible to increase or decrease the number of support rods of the connector 6 according to the fixed requirements. If the number of support rods is changed, the components connected thereto should also be adjusted accordingly.

When in use, first fix the first fixed frame 1 on the leg, you can adjust the binding strip 12 and Velcro according to individual conditions, set a suitable degree of slack, then turn the adjustment lever 4, the first fixed frame 1 and the second fixed frame The frame 2 moves relative to the connecting frame 3, the brace is adjusted to a suitable angle, and then the second fixing frame 2 is fixed on the leg, and the adjusting rod 4 is fine-tuned again to adjust the brace to an appropriate fixing angle. During the rehabilitation process, in order to restore the motion function of the knee joint, the adjustment lever 4 can be rotated in a small range appropriately, and the knee joint passive flexion and extension rehabilitation training can be carried out, so as to avoid the fusion of connective tissue fibers caused by the knee joint being fixed for a long time, and at the same time strengthen the muscles around the knee joint. Stable and balanced performance of force and knee joint, so that patients can recover as soon as possible.

It should be noted that the ball hinge connection between the adjusting rod 4 and the connecting frame 3 is not the only way to realize this solution, and a stopper can also be used for connection. After the connection, the adjusting rod 4 can be rotated around the central axis of the rod.

Embodiment two

Embodiment 2 is basically the same as Embodiment 1, and the similarities will not be described in detail. The difference lies in:

As shown in Figure 7, the limiter includes a limiter 51 and a locking bolt 53, the limiter 51 is provided with a via hole 511 for passing through the adjustment rod 4, as shown in Figure 8, the surface of the adjustment rod 4 is provided with The sliding groove 42 that cooperates with the locking bolt 53 is arranged along the axial direction of the rod, and the width is larger than the diameter of the locking bolt 53 . The locking bolt 53 is inserted into the limiting platform 51 perpendicular to the adjusting rod 4, and is threadedly connected with the limiting platform 51. One end of the locking bolt 53 extends into the through hole 511 and is inserted into the chute 42 on the surface of the adjusting rod 4. In order to obtain a better fixing effect, the bottom surface of the locking bolt 53 is parallel to the bottom surface of the slide groove 42 . Adjusting the length of the locking bolt 53 extending into the through hole 511 , that is, adjusting the length of the locking bolt 53 inserted into the slide groove 42 , can fix or release the adjusting rod 4 .

In this example, the limiting platform 51 is a cuboid, and the two parallel supporting rods of the connecting member 6 are respectively connected to the side surfaces of the limiting platform 51 . When the limiter 51 is locked by the locking bolt 53, the first fixed frame 1 and the second fixed frame 2 do not move, and the connector 6 plays the role of supporting the legs; when the limiter 51 moves, the limiter 51 The connecting piece 6 is driven to rotate, and the connecting piece 6 drives the first fixing frame 1 and the second fixing frame 2 to rotate relative to each other to adjust the fixing angle of the brace.

When in use, when the locking bolt 53 is tightened, the length of the locking bolt 53 protruding from the through hole 511 increases, and the end of the locking bolt 53 touches the bottom of the chute 42, the bottom surface of the locking bolt 53 is in close contact with the bottom surface of the chute 42, and the limit table 51 Locking, the adjustment rod 4 and the limit table 51 do not slide relative to each other, and the angle of the brace is fixed; when the locking bolt 53 is loosened, the length of the locking bolt 53 protruding from the through hole 511 is reduced, and the end of the locking bolt 53 is separated from the bottom of the chute 42 , release the adjusting rod 4, the adjusting rod 4 and the limit table 5 can slide relative to each other, the end of the locking bolt 53 can move up and down in the chute 42, and the chute 42 can limit the locking bolt 53 from laterally shaking. The angle of the brace can be adjusted as required, and after the adjustment is completed, tighten the locking bolt 53 again to fix the brace at the required angle.

It should be noted that, in this embodiment, the adjustment rod 4 does not need to be rotated, and the connection mode between the adjustment rod 4 and the connecting frame 3 can be a block connection or a fixed connection.

Embodiment three

The third embodiment is basically the same as the first embodiment, and the similarities will not be described again. The difference lies in:

As shown in Figure 9, the limiting device includes a limiting shaft 54 and a locking bolt 53; the limiting shaft 54 is provided with a through hole 511 for passing through the adjusting rod 4, and the adjusting rod 4 vertically passes through the limiting shaft 54, and the adjusting One side of the surface of the rod 4 is provided with a plane 43 matched with the locking bolt 53, as shown in FIG. 10 , of course, the adjusting rod 4 can also adopt a square rod body. The locking bolt 53 is inserted into the limiting shaft 54 perpendicular to the adjusting rod 4 and threadedly connected with the limiting shaft 54 . One end of the locking bolt 53 extends into the through hole 511 , and the bottom surface of the locking bolt 53 is parallel to the plane 43 . Adjusting the length of the locking bolt 53 protruding into the through hole 511 can fix or release the adjusting rod 4 .

The ends of the connecting piece 6 are sleeved on both ends of the limiting shaft 54 and can rotate relative to the limiting shaft 54 . The other end of the connector 6 is connected with the first fixed frame 1 and the second fixed frame 2. When the limit shaft 54 is locked by the locking bolt 53, the first fixed frame 1 and the second fixed frame 2 do not rotate relative to each other. It plays the role of support and fixation; when the limit shaft 54 moves, it drives the connecting piece 6 to rotate, and the connecting piece 6 drives the first fixed frame 1 and the second fixed frame 2 to rotate relative to the connecting frame 3 to adjust the angle of the brace.

When in use, when the locking bolt 53 is tightened, the length of the locking bolt 53 protruding from the through hole 511 increases, the end of the locking bolt 53 is against the plane 43 of the adjusting rod 4, the end surface of the locking bolt 53 is in close contact with the plane 43, and the limiter 51 is locked. The adjusting rod 4 and the limit shaft 54 do not slide relative to each other, and the angle of the brace is fixed; when the locking bolt 53 is loosened, the length of the locking bolt 53 protruding from the through hole 511 decreases, and the end of the locking bolt 53 is separated from the plane 43, releasing the adjusting rod 4 , the adjustment rod 4 and the limit table 5 can slide relative to each other. The angle of the brace can be adjusted as required, and after the adjustment is completed, tighten the locking bolt 53 again to fix the brace at the desired angle.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. a kind of knee joint fixing brace, it is characterised in that：Including the first fixed mount (1), the second fixed mount (2), link (3), adjusting rod (4), stopping means and two connectors (6)；

First fixed mount (1) and second fixed mount (2) are hinged with the link (3) respectively；

One end of described two connectors (6) is connected by the stopping means, and is moved with the stopping means, the other end point It is not hinged with first fixed mount (1) and second fixed mount (2), one end of the adjusting rod (4) and the link (3) connect, the other end can be used for through the stopping means, the stopping means along the axial movement of the adjusting rod (4) Adjust the angle between first fixed mount (1) and second fixed mount (2).

2. knee joint fixing brace according to claim 1, it is characterised in that：Described adjusting rod (4) one end is provided with ball pivot Joint (41), the link (3) is provided with the ball-joint hole (32) being engaged with the flexural pivot (41), the adjusting rod (4) it is connected by spherical hinge structure with the link (3).

3. knee joint fixing brace according to claim 1, it is characterised in that：The stopping means includes limiting stand (51), one end of described two connectors (6) is connected by the limiting stand (51)；

The limiting stand (51) is provided with the via (511) for wearing the adjusting rod (4), and the via (511) is screwed hole, The adjusting rod (4) coordinates with the via (511) screw thread.

4. knee joint fixing brace according to claim 1, it is characterised in that：The stopping means includes limiting stand (51) With locking bolt (53), one end of described two connectors (6) is connected by the limiting stand (51)；The limiting stand (51) sets Have for wearing the via of the adjusting rod (4) (511), one end of the locking bolt (53) is stretched into the via (511)；

The adjusting rod (4) is provided with the chute (42) being engaged with the locking bolt (53)；Adjust the locking bolt (53) length in the via (511) is stretched into, the adjusting rod (4) can be fixed or discharge.

5. knee joint fixing brace according to claim 1, it is characterised in that：The stopping means includes limit shaft (54) With locking bolt (53), one end of described two connectors (6) is sheathed on the limit shaft (54), and can be around the limit Position axle (54) rotates；The limit shaft (54) is provided with the via (511) for wearing the adjusting rod (4), the locking spiral shell Stretch into the via (511) one end of bolt；

The adjusting rod (4) is provided with the plane (43) being engaged with the locking bolt (53), adjusts the locking bolt (53) length in the via (511) is stretched into, the adjusting rod (4) can be fixed or discharge.

6. the knee joint fixing brace according to claim any one of 1-5, it is characterised in that：First fixed mount (1) Include support body and bundle (12) with second fixed mount (2), the bundle (12) is wrapped on the support body, and shape Into the ring-type fixed part for fixed leg.

7. knee joint fixing brace according to claim 6, it is characterised in that：The support body includes at least two fixed strips (11), the two ends of the bundle (12) form ring-type fixed part for fixed leg by VELCRO, and can pass through The VELCRO adjusts the size of the ring-type fixed part.

8. knee joint fixing brace according to claim 7, it is characterised in that：At least in the interior of the fixed strip (11) Side, and the position for overlapping is provided with the bundle (12) is provided with cushion course (13).

9. knee joint fixing brace according to claim 7, it is characterised in that：Covered in the inner side of the fixed strip (11) There is cushion course (13).

10. knee joint fixing brace according to claim 1, it is characterised in that：The link (3) is with to the limit The structure of position device direction depression, for fixing knee joint.