CN213030964U

CN213030964U - Joint fixing device for orthopedics

Info

Publication number: CN213030964U
Application number: CN202021291333.1U
Authority: CN
Inventors: 王世琦; 李广兴; 王玉洁
Original assignee: Shandong University of Traditional Chinese Medicine
Current assignee: Shandong University of Traditional Chinese Medicine
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-23
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a joint fixing device for orthopedics, the bottom of first annular cover is cyclic annular and evenly is fixed with the slide rail, the outside sliding connection of slide rail has the slider, the outside of slider articulates there is the first arm of force, the one end welding that the slider was kept away from to first arm of force has the spheroid, spheroidal outside ball joint has the ball cover, one side of ball cover has the gland through the fix with screw, the bottom of first annular cover is fixed with the support, one side of support is run through there is the framework. This device drives the slider through rotatory threaded rod and slides on the slide rail to promote the framework and remove through detaching behind the pin rod, drive first power arm adjusting position and angle, with the gland block behind bone joint department, screw up fastening bolt and to ball cover position locking, can carry out free regulation fixed position and angle according to different patients' different situation, need not special customization, extensive applicability, it is fixed through the assistance of arc and push pedal, the rocking of structure has been reduced, the stability of structure is improved.

Description

Joint fixing device for orthopedics

Technical Field

The utility model relates to a bone joint fixing apparatus technical field specifically is a joint fixing device for orthopedics.

Background

The bone joints are formed by connecting adjacent bones by a capsule of connective tissue. The indirect connection between bones is called bone joint. A cavity is arranged between the opposite bone surfaces, and a small amount of synovial fluid is contained in the cavity. Its range of motion is large, and every joint is related to articular surface, articular capsule and articular cavity. Some joints also have ancillary structures such as ligaments, discs, and menisci. The reason why the human body can move freely is that the structure of the bone joints, most of the bone joints are needed for the human body to move, and the cartilage protects the bone from abrasion.

After the bone joint is injured, need carry out the maintenance, if take place joint activity during recuperation, easily lead to impaired position dislocation, and lead to the joint secondary impaired, increase the state of an illness, current fixer structure is comparatively fixed, and unable free adjustment is fixed position and angle lead to the suitability not high, leads to the joint impaired because of can't adjusting to suitable fixed angle and position easily, leads to certain injury for the patient, for this reason, proposes the joint fixing device who is used for orthopedics.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a joint fixing device for orthopedics to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a joint fixing device for orthopedics department, including first annular cover and second annular cover, the bottom of first annular cover is the cyclic annular and evenly is fixed with the slide rail, the outside sliding connection of slide rail has the slider, the outside of slider articulates there is the first arm of force, the one end welding that the slider was kept away from to the first arm of force has the spheroid, the outside ball joint of spheroid has the ball cover, one side of ball cover is fixed with the gland through the screw, the bottom of first annular cover is fixed with the support, one side of support runs through has the framework, the one end welding of framework has the second arm of force, the one end that the spacing groove was kept away from to the second arm of force articulates in the outside one side of first arm of force, evenly seted up the spacing groove in the framework, the outside of support is connected with the pin pole that inserts in the spacing groove, the top of second annular cover is fixed with square post, the top of square post is connected with the arc that quantity is, and first connecting rods are fixed on two sides of the bottom of the first annular sleeve, second connecting rods are fixed on two sides of the top of the second annular sleeve, and the first connecting rods are hinged to one side of the second connecting rods.

As further preferable in the present technical solution: threaded columns are welded on two sides of the square column and penetrate through the outer side of the arc plate, and the threaded columns are in threaded connection with two nuts which are located on two sides of the arc plate respectively.

As further preferable in the present technical solution: the outside of slider is seted up threaded hole, the support is rotated through the bearing and is connected with the threaded rod that runs through the threaded hole, the outside of threaded rod and the inboard threaded connection of threaded hole.

As further preferable in the present technical solution: the first annular sleeve and the second annular sleeve both comprise a first arc-shaped ring and a second arc-shaped ring, and two sides of the first arc-shaped ring are respectively connected with two sides of the second arc-shaped ring through bolts.

As further preferable in the present technical solution: circular mouths are formed in the middle parts of the first annular sleeve and the second annular sleeve.

As further preferable in the present technical solution: the outside of first annular cover and second annular cover is cyclic annular and evenly is fixed with the internal thread sleeve, internal thread sleeve threaded connection has the lead screw, the one end of lead screw is fixed with the push pedal.

Compared with the prior art, the beneficial effects of the utility model are that: this device drives the slider through rotatory threaded rod and slides on the slide rail, and promote the framework and remove through detaching behind the pin rod, drive first power arm adjusting position and angle, insert the corresponding spacing inslot with the pin rod after the regulation is accomplished, accomplish the adjustment to the first arm of force, then unscrew fastening bolt, make the ball cover can move about, conveniently block the gland in bone joint department, with the gland block behind bone joint department, it locks to the ball cover position to screw up fastening bolt, can carry out free regulation fixed position and angle according to different patients' different situation, need not special customization, wide applicability, it is fixed with the assistance of push pedal through the arc, the rocking of structure has been reduced, the stability of improvement structure.

Drawings

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

FIG. 2 is a schematic view of the arc plate structure of the present invention;

fig. 3 is an enlarged schematic structural view of the region a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the slider structure of the present invention.

In the figure: 1. a first annular sleeve; 2. a second annular sleeve; 3. a slide rail; 4. a slider; 5. a support; 6. a threaded rod; 7. a first force arm; 8. a sphere; 9. a ball sleeve; 10. fastening a bolt; 11. a second moment arm; 12. a frame body; 13. a limiting groove; 14. a pin rod; 15. a gland; 16. a square column; 17. a threaded post; 18. a nut; 19. an arc-shaped plate; 20. a first arcuate ring; 21. a second arcuate ring; 22. a first link; 23. a second link; 24. a threaded hole; 25. a circular port; 26. an internally threaded sleeve; 27. a screw rod; 28. a push plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a joint fixing device for orthopedics department includes first annular cover 1 and second annular cover 2, the bottom of first annular cover 1 is cyclic annular evenly is fixed with slide rail 3, the outside sliding connection of slide rail 3 has slider 4, the outside of slider 4 articulates there is first force arm 7, the one end welding that slider 4 was kept away from to first force arm 7 has spheroid 8, the outside ball joint of spheroid 8 has ball cover 9, one side of ball cover 9 has gland 15 through the fix with screw, the bottom of first annular cover 1 is fixed with support 5, frame 12 has been run through to one side of support 5, the one end welding of frame 12 has second force arm 11, the one end that spacing groove 13 was kept away from to second force arm 11 articulates in the outside one side of first force arm 7, spacing groove 13 has evenly been seted up in the frame 12, the outside of support 5 is connected with the pin rod 14 who inserts in spacing groove 13, the top of second annular cover 2 is fixed with square post 16, the top of square post 16 is connected with the arc 19 that quantity is two, the bottom both sides of first annular cover 1 all are fixed with first connecting rod 22, the top both sides of second annular cover 2 all are fixed with second connecting rod 23, first connecting rod 22 articulates in one side of second connecting rod 23.

In this embodiment, specifically: threaded columns 17 are welded on two sides of the square column 16, the threaded columns 17 penetrate through the outer side of the arc-shaped plate 19, and the threaded columns 17 are in threaded connection with two nuts 18 which are respectively located on two sides of the arc-shaped plate 19; the arc-shaped plate 19 is used for being clamped outside the leg, so that the fixing effect of the device is more stable.

In this embodiment, specifically: a threaded hole 24 is formed in the outer side of the sliding block 4, the bracket 5 is rotatably connected with a threaded rod 6 penetrating through the threaded hole 24 through a bearing, and the outer side of the threaded rod 6 is in threaded connection with the inner side of the threaded hole 24; the position of the sliding block 4 can be conveniently and accurately adjusted.

In this embodiment, specifically: the first annular sleeve 1 and the second annular sleeve 2 both comprise a first arc-shaped ring 20 and a second arc-shaped ring 21, and two sides of the first arc-shaped ring 20 are respectively connected with two sides of the second arc-shaped ring 21 through bolts; the assembly and disassembly of the first annular sleeve 1 and the second annular sleeve 2 are convenient.

In this embodiment, specifically: the middle parts of the first annular sleeve 1 and the second annular sleeve 2 are both provided with circular openings 25; for reserving leg space.

In this embodiment, specifically: the outer sides of the first annular sleeve 1 and the second annular sleeve 2 are uniformly fixed with internal thread sleeves 26 in an annular shape, the internal thread sleeves 26 are connected with screw rods 27 in a threaded manner, and one ends of the screw rods 27 are fixed with push plates 28; the device is used for reinforcing the device and preventing the device from shaking.

Working principle or structural principle, when in use, the first arc-shaped ring 20 and the second arc-shaped ring 21 are clamped at the knee joint and then connected together through bolts to form a complete first annular sleeve 1 and a complete second annular sleeve 2, the sliding block 4 is driven to slide on the sliding rail 3 through the rotary threaded rod 6, the frame body 12 is pushed to move after the pin rod 14 is removed, the first force arm 7 is driven to adjust the position and the angle, the pin rod 14 is inserted into the corresponding limiting groove 13 after the adjustment is finished, the first force arm 7 is adjusted, then the fastening bolt 10 is unscrewed, so that the ball sleeve 9 can move, the gland 15 is conveniently clamped at the bone joint, the gland 15 can customize a matched shape according to different patient conditions, the gland 15 is clamped at the bone joint, the fastening bolt 10 is screwed to lock the position of the ball sleeve 9, then the nut 18 is screwed to clamp the arc-shaped plate 19 at the leg bone position, then place the cotton pad in circular mouth 25 department after, screw lead screw 27 for push pedal 28 fixes the shank, thereby prevents that this device from droing and rocking, improves the stability of structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A joint fixing device for orthopedics, including first annular cover (1) and second annular cover (2), its characterized in that: the bottom of the first annular sleeve (1) is annularly and uniformly fixed with a sliding rail (3), the outer side of the sliding rail (3) is connected with a sliding block (4) in a sliding manner, the outer side of the sliding block (4) is hinged with a first force arm (7), one end, away from the sliding block (4), of the first force arm (7) is welded with a sphere (8), the outer side of the sphere (8) is ball-jointed with a ball sleeve (9), one side of the ball sleeve (9) is fixedly provided with a gland (15) through a screw, the bottom of the first annular sleeve (1) is fixedly provided with a support (5), one side of the support (5) penetrates through a frame body (12), one end of the frame body (12) is welded with a second force arm (11), one end, away from a limiting groove (13), of the second force arm (11) is hinged to one side of the outer portion of the first force arm (7), and the limiting groove, the outside of support (5) is connected with pin rod (14) of inserting in spacing groove (13), the top of second annular cover (2) is fixed with square post (16), the top of square post (16) is connected with arc (19) that quantity is two, the bottom both sides of first annular cover (1) all are fixed with first connecting rod (22), the top both sides of second annular cover (2) all are fixed with second connecting rod (23), first connecting rod (22) articulate in one side of second connecting rod (23).

2. The joint fixation device for orthopedics according to claim 1, characterized in that: threaded columns (17) are welded on two sides of the square column (16), the threaded columns (17) penetrate through the outer side of the arc-shaped plate (19), and the threaded columns (17) are in threaded connection with nuts (18) which are two in number and located on two sides of the arc-shaped plate (19) respectively.

3. The joint fixation device for orthopedics according to claim 1, characterized in that: threaded holes (24) are formed in the outer side of the sliding block (4), the support (5) is rotatably connected with a threaded rod (6) penetrating through the threaded holes (24) through a bearing, and the outer side of the threaded rod (6) is in threaded connection with the inner side of the threaded holes (24).

4. The joint fixation device for orthopedics according to claim 1, characterized in that: the first annular sleeve (1) and the second annular sleeve (2) both comprise a first arc-shaped ring (20) and a second arc-shaped ring (21), and two sides of the first arc-shaped ring (20) are connected with two sides of the second arc-shaped ring (21) through bolts respectively.

5. The joint fixation device for orthopedics according to claim 1, characterized in that: circular openings (25) are formed in the middle of the first annular sleeve (1) and the middle of the second annular sleeve (2).

6. The joint fixation device for orthopedics according to claim 1, characterized in that: the outer sides of the first annular sleeve (1) and the second annular sleeve (2) are annularly and uniformly fixed with an internal thread sleeve (26), the internal thread sleeve (26) is in threaded connection with a screw rod (27), and one end of the screw rod (27) is fixed with a push plate (28).