CN209751327U

CN209751327U - Adjustable external fixation frame for joint correction

Info

Publication number: CN209751327U
Application number: CN201920242168.1U
Authority: CN
Inventors: 马文东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-26
Filing date: 2019-02-26
Publication date: 2019-12-10
Anticipated expiration: 2029-02-26

Abstract

The utility model discloses an external fixation frame with adjustable joint is corrected, including first support, the both sides of first support and second support are all through the joint axis fixed connection who sets up, the internally mounted of second cavity has the torsional spring, the third support is close to one side of second support and installs the connecting plate, the top of second support and third support all is provided with instep fixing bandage, one side that first support is close to the third support is provided with shank fixing bandage. The utility model discloses a rotating adjusting bolt, taking out the connecting plate, adjusting the interval of second support and third support, applicable in the crowd of different sole sizes and leg type, improved the suitability of device, when lifting the foot, the torsional spring twists under the gravity of sole and holds the power, and when falling the foot, torsional spring release torsion, helping hand ankle joint motion keeps the straight of second support and third support under natural state, helps the recovery and the correction treatment of human ankle joint, alleviates ankle joint's burden.

Description

Adjustable external fixation frame for joint correction

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to an adjustable external fixation frame for correcting joints.

Background

Ankle sprain is one of the most common clinical diseases in the sprain of the whole body, and is especially the most common clinical disease that the ankle sprain causes the tearing or even breakage of the collateral ligaments on the outer side due to the invagination injury, when walking and scouting to fall or step or fall from a high place, the outer edge of the foot touches the ground, the foot is fiercely adducted in the metatarsus, and the collateral ligaments on the outer side of the ankle are stretched to sprain or even partially tear, and the avulsion fracture of the external ankle can be combined.

The ankle is corrected and is usually used the board or beat the gypsum and carry out the adjunctie therapy, and inconvenient and the patient of use removes the difficulty, and current ankle mount is disposable usually, and the cost is higher and can't adjust according to people's sole size.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the ankle correction is usually carried out by using a correction plate or plaster, the ankle correction is inconvenient to use and the patient is difficult to move, the existing ankle fixing frame is usually disposable, the cost is high, and the ankle fixing frame cannot be adjusted according to the size of the sole of the foot, and the adjustable outer fixing frame for correcting the joint is provided.

in order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an external fixation frame with adjustable joint is corrected, includes first support, the bottom of first support is provided with the second support, the both sides of first support and second support are all through the joint axle fixed connection that sets up, the pivot is installed to the intermediate position department of joint axle, the inside outside-in of joint axle has set gradually first cavity and second cavity, the internally mounted of first cavity has the ball, the internally mounted of second cavity has the torsional spring, one side of second support is provided with the third support, the connecting plate is installed to one side that the third support is close to the second support, the top of second support and third support all is provided with instep fixing bandage, one side that first support is close to the third support is provided with shank fixing bandage.

Preferably, the joint shaft includes a first housing and a second housing, the first housing is fixedly connected to the first bracket, the second housing is fixedly connected to the second bracket, and the first housing and the second housing are movably connected through a rotation shaft.

Preferably, the torsional spring both ends respectively with first shell and second shell fixed connection, the quantity of ball is a plurality of, and the inside of first shell be provided with ball assorted draw-in groove.

preferably, the inside of second support be provided with connecting plate assorted slide rail, and the both ends of connecting plate all are provided with the mounting hole, the adjusting bolt fixed connection of connecting plate and second support through setting up.

Preferably, the bottom ends of the instep fixing bandage and the calf fixing bandage are both connected with safety belts, one ends of the safety belts are connected with a winder, and the ends, far away from the winder, of the safety belts are connected with eye-splice clamps.

Preferably, a plurality of the winding devices are respectively fixed on the surfaces of the first support, the second support and the third support, and the inserting and buckling clamps and the winding devices are axially and symmetrically distributed.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a instep fixing straps and shank fixing straps who sets up are fixed foot and shank under the cooperation of safety belt and eye-splice fixture, through rotating adjusting bolt, take the connecting plate out, adjust the interval of second support and third support, applicable in the crowd of different sole sizes and leg type, the suitability of device has been improved, when lifting the foot, the torsional spring distorts under the gravity of sole and holds power, when falling the foot, torsional spring release torsion, helping hand ankle joint motion, keep the straight of second support and third support under natural state, help human ankle joint's recovery and correction treatment, alleviate ankle joint's burden.

Drawings

Fig. 1 is a front view of the present invention;

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

Fig. 3 is a schematic view of the internal structure of the joint shaft of the present invention;

Fig. 4 is a schematic structural diagram of the first housing and the second housing of the present invention.

In the figure: 1. a first bracket; 2. a second bracket; 3. a third support; 4. a joint shaft; 401. a first cavity; 402. a second cavity; 403. a ball bearing; 404. a torsion spring; 405. a first housing; 406. a second housing; 5. a rotating shaft; 6. a connecting plate; 7. mounting holes; 8. adjusting the bolt; 9. a instep fixing bandage; 10. a shank fixing band; 11. a seat belt; 12. a buckle fixture; 13. and (7) a winder.

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.

The utility model discloses a winder can order the income in market or private.

Referring to fig. 1-4, an adjustable external fixator for joint correction includes a first support 1, a second support 2 is disposed at a bottom end of the first support 1, two sides of the first support 1 and the second support 2 are fixedly connected through a joint shaft 4, a rotating shaft 5 is mounted at a middle position of the joint shaft 4, a first cavity 401 and a second cavity 402 are sequentially disposed inside the joint shaft 4 from outside to inside, a ball 403 is mounted inside the first cavity 401, a torsion spring 404 is mounted inside the second cavity 402, a third support 3 is disposed at one side of the second support 2, a connecting plate 6 is mounted at one side of the third support 3 close to the second support 2, instep fixing bands 9 are disposed above the second support 2 and the third support 3, and a calf fixing band 10 is disposed at one side of the first support 1 close to the third support 3.

In the implementation: fix foot and shank through instep fixing straps 9 and shank fixing straps 10 that set up, avoid causing the secondary of ankle to sprain, take out connecting plate 6, adjust the interval of second support 2 and third support 3, it is applicable in the crowd of different sole sizes, the suitability of device has been improved, when lifting the foot, torsional spring 404 distorts under the gravity of sole and holds power, when falling the foot, it releases torsion to turn round 404, helping hand ankle joint motion, keep the straight of second support 2 and third support 3 under natural state, help human ankle joint's recovery and correction treatment, alleviate ankle joint's burden.

Please refer to fig. 3 and 4, the joint shaft 4 includes a first housing 405 and a second housing 406, the first housing 405 is fixedly connected to the first bracket 1, the second housing 406 is fixedly connected to the second bracket 2, the first housing 405 and the second housing 406 are movably connected through a rotating shaft 5, two ends of the torsion spring 404 are respectively fixedly connected to the first housing 405 and the second housing 406, the number of the balls 403 is plural, and a slot matched with the ball 403 is arranged in the first housing 405, so that the friction force of the relative movement of the first housing 405 and the second housing 406 is reduced by the arranged balls 402, and the flexibility of the movement of the ankle joint is not affected.

Please refer to fig. 1 and fig. 2, a slide rail matched with the connecting plate 6 is arranged inside the second bracket 2, the two ends of the connecting plate 6 are both provided with mounting holes 7, the connecting plate 6 is fixedly connected with the second bracket 2 through an adjusting bolt 8, the connecting plate 6 is drawn out by rotating the adjusting bolt 8, the distance between the second bracket 2 and the third bracket 3 is adjusted, and the device is suitable for people with different sole sizes, and the applicability of the device is improved.

Please refer to fig. 1 and fig. 2, the bottom ends of the instep fixing band 9 and the calf fixing band 10 are both connected with a safety belt 11, one end of the safety belt 11 is connected with a retractor 13, and one end of the safety belt 11 far away from the retractor 13 is connected with a buckle clamp 12, a plurality of retractors 13 are respectively fixed on the surfaces of the first support 1, the second support 2 and the third support 3, the buckle clamp 12 and the retractors 13 are axially and symmetrically distributed, and the retractor 13 is arranged to drive the safety belt 11 to automatically retract when the buckle clamp 12 is unfastened, so as to facilitate storage, and simultaneously, the number of the retracted safety belts 11 can be automatically controlled, so that the device is suitable for people with different leg types, and the applicability of the device is improved.

The working principle is as follows: the adjusting bolt 8 is rotated, the connecting plate 6 is drawn out, the distance between the second support 2 and the third support 3 is adjusted to meet the size of the sole of a foot of a patient, the safety belt 11 is drawn out and the buckle fixture 12 is locked, so that the instep fixing bandage 9 and the calf fixing bandage 10 fix the foot and the calf to avoid causing secondary sprain of the ankle, when the foot is lifted, the torsion spring 404 twists and stores force under the gravity of the sole, when the foot is fallen, the torsion button 404 releases torsion force to assist the movement of the ankle joint, the second support 2 and the third support 3 are kept straight under the natural state, the recovery and correction treatment of the ankle joint of the human body are facilitated, the ankle joint is lightened, when the buckle fixture 12 is untied, the safety belt 11 is driven by the buckle fixture 13 to automatically retract to facilitate storage, meanwhile, the number of the drawn safety belts 11 can be automatically controlled, the device is suitable for people with different leg types, and the applicability of the device is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an external fixation frame with adjustable joint correction, includes first support (1), its characterized in that: a second bracket (2) is arranged at the bottom end of the first bracket (1), the two sides of the first bracket (1) and the second bracket (2) are fixedly connected through a joint shaft (4), a rotating shaft (5) is arranged in the middle of the joint shaft (4), a first cavity (401) and a second cavity (402) are sequentially arranged inside the joint shaft (4) from outside to inside, a ball (403) is arranged in the first cavity (401), a torsion spring (404) is arranged in the second cavity (402), a third bracket (3) is arranged at one side of the second bracket (2), a connecting plate (6) is arranged at one side of the third bracket (3) close to the second bracket (2), instep fixing bands (9) are arranged above the second bracket (2) and the third bracket (3), one side of the first bracket (1) close to the third bracket (3) is provided with a shank fixing bandage (10).

2. The adjustable external fixator for joint correction according to claim 1, wherein: the joint shaft (4) comprises a first shell (405) and a second shell (406), the first shell (405) is fixedly connected with the first support (1), the second shell (406) is fixedly connected with the second support (2), and the first shell (405) and the second shell (406) are movably connected through a rotating shaft (5).

3. The adjustable external fixator for joint correction according to claim 2, wherein: the utility model discloses a torsional spring (404) is characterized in that torsional spring (404) both ends respectively with first shell (405) and second shell (406) fixed connection, the quantity of ball (403) is a plurality of, and the inside of first shell (405) is provided with the draw-in groove with ball (403) assorted.

4. The adjustable external fixator for joint correction according to claim 1, wherein: the inside of second support (2) is provided with connecting plate (6) assorted slide rail, and the both ends of connecting plate (6) all are provided with mounting hole (7), adjusting bolt (8) fixed connection through setting up of connecting plate (6) and second support (2).

5. The adjustable external fixator for joint correction according to claim 1, wherein: the sole fixing straps (9) and the lower leg fixing straps (10) are respectively connected with a safety belt (11) at the bottom ends, one end of the safety belt (11) is connected with a winder (13), and one end of the safety belt (11) far away from the winder (13) is connected with a buckle clamp (12).

6. The adjustable external fixator for joint correction according to claim 5, wherein: the plurality of the rolling devices (13) are respectively fixed on the surfaces of the first support (1), the second support (2) and the third support (3), and the inserting and buckling clamps (12) and the rolling devices (13) are distributed in an axisymmetric mode.