CN215821304U

CN215821304U - Knee joint orthosis with flexibly applied connecting structure

Info

Publication number: CN215821304U
Application number: CN202122102706.7U
Authority: CN
Inventors: 邵漠宇; 朱方驰; 靳忠民; 张潇; 王金武; 周宇
Original assignee: Suzhou Yunbisheng Digital Medical Technology Co ltd
Current assignee: Suzhou Yunbisheng Digital Medical Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-15
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a knee joint orthosis with a flexibly applied connecting structure, which comprises a thigh fixing sleeve, a shank fixing sleeve, an upper support plate, a lower support plate and a connecting structure, wherein the connecting structure comprises a lower shaft plate and an upper shaft plate; and the upper shaft plate is provided with a lower counter bore matched with the bulge, and the upper support plate and the lower support plate are matched with the bulge. Compared with the prior art, the knee joint orthosis has the advantages that the connecting structure adopts the matching of the upper shaft plate and the lower shaft plate which are relatively independent, the structure is simple, and the use is convenient; the upper support plate and the lower support plate respectively rotate around the outer wall of the bulge, so that the bolt for connecting the upper shaft plate and the lower shaft plate cannot be rubbed in the process, and the problem of loosening caused by long-time use can be avoided; in addition, no other separation exists between the upper shaft plate and the lower shaft plate, the upper shaft plate and the lower shaft plate can respectively rotate around the bulge and cannot be blocked, the left and right universal assembling device is universal, and the assembling is convenient.

Description

Knee joint orthosis with flexibly applied connecting structure

Technical Field

The utility model relates to the technical field of knee joint rehabilitation treatment, in particular to a knee joint orthosis with a flexibly applied connecting structure.

Background

At present, a large part of old people suffer from degenerative change of the knee joint along with the increase of the age, the distance between the femur and the tibia is reduced, mutual friction causes the walking to be impossible, great pain is brought to the life, a knee joint orthosis is needed to be used, and the knee joint is protected to move in a certain range.

The knee joint orthosis generally comprises a thigh fixing sleeve, a shank fixing sleeve and a connecting piece, wherein the connecting piece is respectively and rotatably connected with the thigh fixing sleeve and the shank fixing sleeve to adapt to bending changes of legs. When the knee joint orthosis is used, the thigh fixing sleeve and the shank fixing sleeve frequently rotate relative to the connecting piece to cause abrasion to the rotating shaft, and the rotating shaft with the external thread is easy to loosen after continuous friction in the prior art, so that the normal use of the knee joint orthosis is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a knee joint orthosis with a flexibly applied connecting structure aiming at overcoming the defects of the prior art, and aims to reduce the damage rate of the connecting structure, avoid loosening, prolong the service life of the connecting structure and further improve the overall use effect of the knee joint orthosis.

In order to achieve the purpose, the utility model adopts the technical scheme that: a knee joint orthosis with a flexibly applied connecting structure comprises a thigh fixing sleeve, a shank fixing sleeve, an upper support plate, a lower support plate and a connecting structure, wherein the connecting structure comprises a lower shaft plate and an upper shaft plate, a bulge is arranged on the lower shaft plate, and an inner threaded hole is arranged on the bulge; and the upper shaft plate is provided with a lower counter bore matched with the bulge, and the upper support plate and the lower support plate are matched with the bulge.

Furthermore, the connecting structure is provided with a fixing screw hole which completely penetrates through the connecting structure.

Furthermore, the fixed screw holes are arranged on one side of the connecting structure and are not less than two groups.

Furthermore, the connecting structure is provided with a limiting structure which is respectively matched with the upper support plate and the lower support plate.

Furthermore, the two sides of the thigh fixing sleeve are respectively provided with a telescopic extension plate, and the extension plates are connected with the upper supporting plate through a mounting seat.

Furthermore, one end of the upper supporting plate is provided with an extension plate which is vertical to the upper supporting plate, and the extension plate is provided with a through hole which penetrates through the extension plate; and the mounting seat is provided with a long through groove matched with the through hole.

Furthermore, the mounting seat is fitted with a contraceptive ring and is equipped with spacing screw, be equipped with an arc wall on the extension board.

Advantageous effects

1. Compared with the prior art, the knee joint orthosis has the advantages that the connecting structure adopts the upper shaft plate and the lower shaft plate which are relatively independent to be spliced, the structure is simple, and the use is convenient;

the upper support plate and the lower support plate respectively rotate around the outer wall of the bulge, so that the bolt for fixing the upper shaft plate and the lower shaft plate cannot be rubbed in the process, and the problem of loosening caused by long-time use can be avoided; in addition, no other barriers exist between the upper shaft plate and the lower shaft plate, the upper shaft plate and the lower shaft plate can respectively rotate around the bulge and cannot be blocked, the connecting structure can be used for left and right universal use, and the knee joint orthosis is convenient to assemble.

2. The rotating angle of the upper support plate and the lower support plate can be limited by arranging the fixing screw holes and limiting the number of the fixing screw holes; through setting up the limit structure, can inject extension board and lower extension board flip angle, and then inject the crooked extreme position of user knee joint, two sets of limited modes about general can not receive the restriction during the equipment.

3. Through the cooperation of extension board and mount pad, its angle for the extension board can be adjusted to the mount pad, finely tunes according to wearer's shank structure, makes its leg type structure that adapts to different users, and it is general fit for the performance good.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the connection structure of the present invention;

fig. 3 is a schematic view of a partial explosion structure of the present invention.

1. The thigh fixing sleeve 2, the shank fixing sleeve 3, the upper support plate 4, the lower support plate 5, the extension plate 6, the mounting seat 7, the buckle 8, the bandage 9, the air vent 10, the heat dissipation notch 11, the upper shaft plate 12, the lower shaft plate 13, the protrusion 14, the inner screw hole 15, the lower counter bore 16, the pin hole 17, the fixing screw hole 18, the limiting hole 19, the limiting notch 20, the limiting rod 21, the first plate 22, the second plate 23, the length adjusting rod 24, the length adjusting sleeve 25, the cylinder 26, the matching block 27, the cylindrical groove 28, the through hole 29, the long through groove 30, the limiting screw hole 31, the arc-shaped groove 32 and the extension plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 3, the knee joint orthosis with a flexible connection structure comprises a thigh fixing sleeve 1, a shank fixing sleeve 2, an upper supporting plate 3, a lower supporting plate 4 and a connection structure, wherein the shank fixing sleeve 2 is connected with the lower supporting plate 4, and the lower supporting plate 4 is rotatably connected with the connection structure; the thigh fixing sleeve 1 and the two sides are respectively provided with an extension plate 5, the extension plate 5 is connected with the upper support plate 3 through a mounting seat 6, and the upper support plate 3 is rotatably connected with the connecting structure.

It should be noted that the thigh fixing sleeve 1 and the shank fixing sleeve 2 are printed by 3D printing technology, can be customized according to the leg shape of each user, and have strong adaptability.

The thigh fixing sleeve 1 and the shank fixing sleeve 2 are both of U-shaped semi-surrounding structures, the opening directions of the thigh fixing sleeve and the shank fixing sleeve are opposite, and the shank fixing sleeve 2 is attached to the rear side of a shank. The thigh fixing sleeve 1 and the shank fixing sleeve 2 are limited in shape and are in a U-shaped semi-surrounding structure, so that the thigh fixing sleeve is convenient for a user to wear; the opening directions are opposite, and the wearing firmness is ensured.

The thigh fixing sleeve 1 and the shank fixing sleeve 2 are respectively provided with at least one group of fasteners, and the fasteners comprise buckles 7 and binding bands 8 matched with the buckles 7, and the tightness can be adjusted according to the thickness of legs. In addition, the shank fixing sleeve 2 is provided with an air hole 9, the thigh fixing sleeve 1 is provided with a heat dissipation notch 10, and the arranged air hole 9 and the heat dissipation notch 10 are used for ventilation and heat dissipation so as to increase the wearing comfort; on the other hand, the weight is reduced, and the wearing comfort can be increased; yet another advantage is that the likelihood of reduced blood circulation is reduced.

The connecting structure comprises a lower shaft plate 12 and an upper shaft plate 11, wherein a bulge 13 is arranged on the lower shaft plate 12, and an inner screw hole 14 is arranged on the bulge 13; the upper shaft plate 11 is provided with a sinking hole 15 which is completely penetrated and matched with the bulge 13, and the upper support plate 3, the lower support plate 4 and the bulge 13 are matched.

The protrusions 13 are arranged in four groups and distributed in four directions, namely, the upper direction, the lower direction, the left direction and the right direction of the lower shaft plate 12, the protrusions 13 are inserted into the lower counter bores 15, and the upper shaft plate 11 is clamped and fixed with the lower shaft plate 12 through the matching of bolts and the inner screw holes 14. The upper support plate 3 and the lower support plate 4 are respectively provided with a pin hole 16 matched with the bulge 13, the pin hole 16 on the upper support plate 3 is matched with the bulge 13 above, and the pin hole 16 on the lower support plate 4 is matched with the bulge 13 below. The upper support plate 3 and the lower support plate 4 rotate around the outer wall of the protrusion 13 respectively, so that friction cannot be generated on bolts for connecting the upper shaft plate 11 and the lower shaft plate 12 in the process, and the problem of loosening caused by long-time use can be avoided.

One side of the connecting structure is provided with fixing screw holes 17 which completely penetrate through the connecting structure, and at least two groups of fixing screw holes 17 are arranged. The upper support plate 3 and the lower support plate 4 can be limited to a certain extent by using bolts, so that the rotation angle of the upper support plate and the lower support plate is limited.

The connecting structure is provided with a limiting structure which is respectively matched with the upper supporting plate 3 and the lower supporting plate 4, is used for limiting the bending degree of the leg, and is suitable for users who can not bend the knee excessively. The limiting structure comprises a limiting hole 18, a limiting notch 19 and a limiting rod 20, the knee joint shaft plate is completely penetrated through by the limiting hole 18 and arranged in an arc shape, and the limiting hole 18 is respectively arranged around the hinge joint of the upper support plate 3 and the lower support plate 4 at equal intervals; the limiting notches 19 are respectively arranged at the end parts of the upper support plate 3 and the lower support plate 4, and the limiting notches 19 are matched with the limiting holes 18 in position; one end of the limiting rod 20 is provided with threads.

According to the bending degree required, the limiting rod 20 penetrates through the proper limiting hole 18, the end with the thread is screwed by the nut, and the limiting rod 20 is matched with the side wall of the limiting notch 19, so that the limitation of the bending angle can be completed.

Preferably, the extension board 5 is a retractable board, and includes a U-shaped first board 21 and a second board 22 inserted into the first board 21. The length adjusting device is characterized in that a length adjusting rod 23 is arranged in the middle of the first plate 21, a length adjusting sleeve 24 matched with the length adjusting rod 23 is arranged on the second plate 22, the length adjusting sleeve 24 is of a prismatic structure and convenient to rotate, threads are arranged on a rod body of the length adjusting rod 23, the length adjusting sleeve 24 is rotatably connected with the second plate 22, and internal threads matched with the length adjusting rod 23 are arranged on the length adjusting sleeve. Through rotating length adjustment cover 24, can make it take place the action with length adjustment pole 23, can move from top to bottom along length adjustment pole 23, and then realize the adjustment of the length of extension plate 5 to adjust to suitable distance according to user's demand, adapt to the distance between shin bone and the thighbone, reduce the friction of joint department, reach the purpose of knee joint protection.

The mounting seat 6 is provided with a cylinder 25, the lower end of the first plate 21 is provided with a matching block 26, the matching block 26 is provided with a cylindrical groove 27 matched with the cylinder 25, and the matching block 26 is penetrated through the cylindrical groove 27. The cylinder 25 is provided with a screw hole which is matched with the fastening bolt.

One end of the upper support plate 3 is provided with an extension plate 32 perpendicular to the upper support plate, and the extension plate 32 is provided with a through hole 28 penetrating through the extension plate; the mounting seat 6 is provided with a long through groove 29 matched with the through hole 28, the inner wall of the long through groove 29 is provided with internal threads, the extension plate 32 can be connected with the mounting seat 6 through bolts, and the extension plate 32 can rotate around the bolts. The ring is equipped with spacing screw 30 on mount pad 6, be equipped with an arc wall 31 on the extension board 32, the both ends of arc wall 31 pass and cooperate with the spacing screw 30 that corresponds, realize the fixed of extension board 32 and fixing base.

The implementation principle is as follows:

when a user wears the leg bending device, firstly, the rotation angles of the upper support plate 3 and the lower support plate 4 relative to the connecting structure are limited by utilizing the limiting structure according to the bending degree of the legs, or the rotation angles are limited by utilizing the matching of the fixing screw holes and the bolts; and then the length of the extension plate 5 is adjusted to a length which is comfortable to wear, and the orthosis can be worn according to a wearing method of a common orthosis. Wherein, can utilize the rotatable characteristics of mount pad 6 for extending board 32 according to the shank actual conditions of the person of wearing, and then realize the adjustment to the fixed cover 1 of thigh for connection structure angle.

While the above description discloses only a preferred embodiment of the knee orthosis with flexible connection, it should be understood that many variations and modifications may be made by those skilled in the art without departing from the spirit of the utility model.

Claims

1. The utility model provides a knee joint orthosis with use nimble connection structure, includes the fixed cover of thigh, the fixed cover of shank, goes up the extension board, down extension board and connection structure, its characterized in that: the connecting structure comprises a lower shaft plate and an upper shaft plate, wherein a bulge is arranged on the lower shaft plate, and an inner screw hole is formed in the bulge; and the upper shaft plate is provided with a lower counter bore matched with the bulge, and the upper support plate and the lower support plate are matched with the bulge.

2. A knee joint orthosis with flexible application of the connection structure according to claim 1, characterized in that: and the connecting structure is provided with a fixing screw hole which completely penetrates through the connecting structure.

3. A knee joint orthosis with flexible application of the connection structure according to claim 2, characterized in that: the fixed screw holes are arranged on one side of the connecting structure and are not less than two groups.

4. A knee joint orthosis with flexible application of the connection structure according to claim 3, characterized in that: and the connecting structure is provided with a limiting structure which is matched with the upper support plate and the lower support plate respectively.

5. A knee joint orthosis with flexible application of the connection structure according to claim 1, characterized in that: the fixed cover both sides of thigh are equipped with a telescopic extension plate respectively, be connected through a mount pad between extension plate and the last support plate.

6. A knee joint orthosis with flexible application of the connection structure according to claim 5, wherein: one end of the upper supporting plate is provided with an extension plate which is vertical to the upper supporting plate, and the extension plate is provided with a through hole which penetrates through the extension plate; and the mounting seat is provided with a long through groove matched with the through hole.

7. The knee joint orthosis with flexible coupling structure of claim 6, wherein: the mount pad is fitted with a contraceptive ring and is equipped with spacing screw, be equipped with an arc wall on the extension board.