Improved external rotation prevention shoe

By designing improved anti-external rotation shoes, using locking nuts, rotating shafts and clamping parts to limit the range of movement of the shoe body, the complications caused by improper limb movement after total hip arthroplasty surgery were solved, and effective rehabilitation support and prevention of venous thrombosis were achieved.

CN222584753UActive Publication Date: 2025-03-11FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA
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Patent Information

Application Number
CN202420861044.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-03-11
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

After total hip arthroplasty, the patient's premature inappropriate movement of the affected limb may easily lead to complications such as hip dislocation. The existing anti-rotating shoes are difficult to effectively limit limb movement, resulting in fatigue and delayed recovery.

Method used

An improved anti-external rotation shoe is designed, using upholstered plate, guard plate shell, restraint belt and anti-side assembly. Through the combination of locking nut, rotation shaft, lower connecting arm and clamping member, the inner rotation and external rotation angle of the shoe body are limited to prevent rolling, and a vertical structure is formed through the upper connecting arm and limiting spring to avoid venous thrombosis and fatigue.

Benefits of technology

It effectively limits the range of movement of the patient's affected limbs, prevents hip dislocation, reduces fatigue and fatigue, promotes recovery, and avoids the formation of venous thrombosis.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an improved anti-extorsion shoe, which relates to the technical field of medical appliances and particularly comprises a soft cushion plate, a protective plate shell is fixedly mounted on the upper surface of the soft cushion plate, a binding belt is fixedly connected to the surface of the protective plate shell, and anti-side components are connected to two sides of the soft cushion plate in a penetrating manner. The anti-side assembly comprises a locking nut connected to one side of the outer arc surface of the soft cushion plate in a penetrating mode, a rotating shaft is connected to one end of the locking nut in a penetrating mode, lower connecting arms are movably connected to the two sides of the rotating shaft, an extending end is arranged at one end of each lower connecting arm, and a clamping piece is fixedly installed at the end, penetrating to the lower connecting arms, of the locking nut; a protruding part is arranged on the outer arc face of the clamping piece, the clamping piece is fixedly installed at the end, penetrating through the lower connecting arm, of the locking nut, and the locking nut is fixedly installed on the surface of the protective shell through the connecting piece, so that the lower connecting arm and the upper connecting arm form a vertical structure, venous thrombosis is avoided, and the situation that fatigue is caused when the lower connecting arm and the upper connecting arm are placed at a specific position for a long time is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to an improved anti-external rotation shoe. Background Art

[0002] As my country enters an aging society, total hip replacement surgery is also being carried out in major hospitals in my country. After total hip replacement surgery, premature and inappropriate movement of the affected limb can easily lead to complications such as hip dislocation. Therefore, anti-rotation shoes have become the choice of many orthosis physicians after surgery.

[0003] Due to the different causes of injury for injured patients, their limbs need to be placed in a specific position. Because the recovery time for such patients is longer, if they want to keep their limbs in a specific position for a long time, it is not only easy to cause fatigue, but also very difficult to master. If you are not careful, it may delay the condition. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an improved anti-external rotation shoe to avoid the problem of fatigue and delayed disease progression caused by placing limbs in a specific position for a long time.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an improved anti-external rotation shoe includes a soft pad, a guard plate shell is fixedly installed on the upper surface of the soft pad, a restraint belt is fixedly connected to the surface of the guard plate shell, and both sides of the soft pad are penetrated by anti-side components; the anti-side component includes a locking nut penetrated and connected to one side of the outer arc surface of the soft pad, one end of the locking nut is penetrated and connected to a rotating shaft, both sides of the rotating shaft are movably connected with lower connecting arms, one end of the lower connecting arm is provided with an extending end, the locking nut penetrates through one end of the lower connecting arm and a clamping piece is fixedly installed, the outer arc surface of the clamping piece is provided with a protrusion, and the outer arc surface of the clamping piece penetrates to one side of the soft pad.

[0006] Optionally, there are two lower connecting arms, and they are distributed in a mirror-symmetrical manner. A push rod is connected through the top extending ends of the two lower connecting arms. The clamping parts of the two lower connecting arms are movably connected to both sides of the soft pad. Through the restriction of the lower connecting arms placed on both sides, even if the rear end flips backwards, the double torsion springs on one side of the two lower connecting arms will be deformed and rebound to a vertical state after being stretched, thereby effectively preventing rollover. In addition, the connection between the push rod and the lower connecting arm allows the angle to limit the shoe body to within 30° of internal rotation, and the external limit column limits the shoe body to within 40° of external rotation. By limiting the movement of the patient's affected limb within a scientific range of activity, it is beneficial to promote the patient's recovery.

[0007] Optionally, a double torsion spring is movably sleeved on one side of the push rod close to the lower connecting arm, one end of the double torsion spring is fixedly mounted on one side of the lower connecting arm, and the number of the double torsion springs is two, which are distributed on both sides of the push rod in a mirror-symmetrical manner.

[0008] Optionally, an upper connecting arm is connected through the middle of the outer arc surface of the top rod, a connecting piece is provided at the top of one side surface of the upper connecting arm, a through groove is opened in the middle of one side surface of the upper connecting arm, and one end of the connecting piece passes through the through groove on one side of the upper connecting arm.

[0009] Optionally, a limit spring is fixedly installed in a through slot on one side of the upper connecting arm, and one end of the limit spring is sleeved on the surface of the connecting piece.

[0010] Optionally, one end of the connecting piece is fixedly mounted on the surface of the guard plate shell, and one side of the upper connecting arm is provided with a same extension portion, and the extension portion of the upper connecting arm is placed parallel to the guard plate shell.

[0011] Optionally, the surface of the protective shell is provided with a plurality of ventilation holes, and the lower surface of the soft pad is provided with a plurality of anti-slip grooves, which are fixed to the surface of the protective shell through connecting parts, so that the lower connecting arm and the upper connecting arm form a vertical structure to avoid the formation of venous thrombosis and avoid fatigue caused by being placed in a specific position for a long time.

[0012] The utility model provides an improved anti-external rotation shoe, which has the following beneficial effects:

[0013] 1. Through the restriction of the lower connecting arms placed on both sides, even if the rear end flips backwards, the double torsion springs on one side of the two lower connecting arms will be stretched and deformed to a vertical state, thereby effectively preventing rollover. The connection between the top rod and the lower connecting arm allows the angle to limit the shoe body to within the range of 30° internal rotation, and the external limit column limits the shoe body to within the range of 40° external rotation. By limiting the movement of the patient's affected limb within a scientific range of activity, it is beneficial to promote the patient's recovery.

[0014] 2. It is fixed on the surface of the protective shell through the connecting parts, so that the lower connecting arm and the upper connecting arm form a vertical structure to avoid the formation of venous thrombosis and avoid fatigue caused by being placed in a specific position for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the structure of the anti-external rotation shoe of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the side protection component of the utility model;

[0018] Figure 3 It is a partial structural schematic diagram of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model.

[0020] In the figure: 1. Soft pad; 2. Guard plate shell; 3. Restraint belt; 4. Anti-side assembly; 401. Locking nut; 402. Rotating shaft; 403. Lower connecting arm; 404. Extended end; 406. Clamping piece; 407. Push rod; 408. Double torsion spring; 409. Upper connecting arm; 410. Connecting piece; 411. Limiting spring; 5. Anti-slip pattern. DETAILED DESCRIPTION

[0021] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment in size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: an improved anti-external rotation shoe, comprising a soft pad 1, a guard plate shell 2 is fixedly installed on the upper surface of the soft pad 1, a restraint belt 3 is fixedly connected to the surface of the guard plate shell 2, both sides of the soft pad 1 are penetrated and connected with an anti-side component 4, the anti-side component 4 includes a locking nut 401 penetrated and connected to one side of the outer arc surface of the soft pad 1, one end of the locking nut 401 is penetrated and connected with a rotating shaft 402, both sides of the rotating shaft 402 are movably connected with a lower connecting arm 403, the An extension end 404 is provided at one end of the lower connecting arm 403, and the locking nut 401 passes through one end of the lower connecting arm 403 and is fixedly installed with a clamping piece 406. The outer arc surface of the clamping piece 406 is provided with a protrusion, and the outer arc surface of the clamping piece 406 passes through one side of the soft pad plate 1. There are two lower connecting arms 403, and they are distributed in a mirror-symmetrical manner. The top extension ends 404 of the two lower connecting arms 403 are penetrated and connected with a top rod 407, and the clamping pieces 406 of the two lower connecting arms 403 are movably connected to both sides of the soft pad plate 1.

[0023] Through the restriction of the lower connecting arms 403 placed on both sides, even if the rear end flips backwards, the double torsion springs 408 on one side of the two lower connecting arms 403 will be deformed and rebound to a vertical state after being stretched, so that it can effectively prevent the side flipping. In addition, the connection between the top rod 407 and the lower connecting arm 403 can allow the angle to limit the shoe body to an internal rotation of 30°, and the external limit column limits the shoe body to an external rotation of 40°. By limiting the movement of the patient's affected limb within a scientific range of activity, it is beneficial to promote the patient's recovery.

[0024] A double torsion spring 408 is movably sleeved on one side of the push rod 407 close to the lower connecting arm 403, one end of the double torsion spring 408 is fixedly mounted on one side of the lower connecting arm 403, there are two double torsion springs 408, and they are distributed on both sides of the push rod 407 in a mirror-symmetrical manner, the middle of the outer arc surface of the push rod 407 is penetrated and connected with an upper connecting arm 409, a connecting piece 410 is provided on the top of one side surface of the upper connecting arm 409, a through groove is opened in the middle of one side surface of the upper connecting arm 409, and one end of the connecting piece 410 is penetrated and connected with an upper connecting arm 409, and a through groove is opened in the middle of one side surface of the upper connecting arm 409. It passes through the through groove on one side of the upper connecting arm 409, and a limiting spring 411 is fixedly installed in the through groove on one side of the upper connecting arm 409. One end of the limiting spring 411 is or is sleeved on the surface of the connecting piece 410, and one end of the connecting piece 410 is fixedly installed on the surface of the guard plate shell 2. One side of the upper connecting arm 409 is provided with the same extension part, and the extension part of the upper connecting arm 409 is placed parallel to the guard plate shell 2. The surface of the guard plate shell 2 is provided with a plurality of air holes, and the lower surface of the soft pad 1 is provided with a plurality of anti-slip grooves 5.

[0025] It is fixedly mounted on the surface of the protective housing 2 through the connecting piece 410, so that the lower connecting arm 403 and the upper connecting arm 409 form a vertical structure to avoid the formation of venous thrombosis and avoid fatigue caused by being placed in a specific position for a long time.

[0026] In the utility model, the working steps of the device are as follows:

[0027] First, place the patient's hip joint in the guard plate shell 2, and then place the foot on the cushion plate 1, and then bind the hip joint with the Velcro on the restraint belt 3 on the guard plate shell 2, and then fix the anti-side component 4 at the position of the heel, and rotate the clamping piece 406 to penetrate into the cushion plate 1. Because the surface of the clamping piece 406 is provided with convex patterns, the convex patterns will conflict with the inner wall of the cushion plate 1 after penetration, and the rotating shaft 402 and the lower connecting arm 403 are respectively connected through the locking nut 401, and the locking nut 401 is rotated and twisted into the cushion plate 1, and then the double torsion spring 408 is movably connected to the top rod 407 connected to the top extension end 404 of the lower connecting arm 403, so that the left and right sides of the foot are When shaking, it is restricted by the lower connecting arms 403 placed on both sides. Even when the rear end flips backwards, the double torsion springs 408 on one side of the two lower connecting arms 403 will be stretched under force and will deform and rebound to a vertical state, so that it can effectively prevent the shoe from tipping over. The connection between the top rod 407 and the lower connecting arm 403 allows the angle to limit the shoe body to an internal rotation of 30°, and the external limit column limits the shoe body to an external rotation of 40°. By limiting the movement of the patient's affected limb within a scientific range of activities, it is beneficial to promote the patient's recovery. The upper connecting arm 409 at the top is fixedly installed on the surface of the protective shell 2 through the connecting piece 410, so that the lower connecting arm 403 and the upper connecting arm 409 form a vertical structure to avoid the formation of venous thrombosis.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An improved anti-external rotation shoe, comprising a soft pad (1), characterized in that: A guard plate shell (2) is fixedly mounted on the upper surface of the soft pad (1), a restraining belt (3) is fixedly connected to the surface of the guard plate shell (2), and side-protection components (4) are penetrated and connected to both sides of the soft pad (1); The anti-side component (4) comprises a locking nut (401) which is connected to one side of the outer arc surface of the soft pad (1); one end of the locking nut (401) is connected to a rotating shaft (402); both sides of the rotating shaft (402) are movably connected to lower connecting arms (403); one end of the lower connecting arm (403) is provided with an extension end (404); the locking nut (401) is connected to one end of the lower connecting arm (403) and a clamping member (406) is fixedly installed; the outer arc surface of the clamping member (406) is provided with a protrusion; the outer arc surface of the clamping member (406) is connected to one side of the soft pad (1).

2. The improved anti-external rotation shoe according to claim 1, characterized in that: There are two lower connecting arms (403) which are distributed in a mirror-symmetrical manner. A top rod (407) is connected through the top extension ends (404) of the two lower connecting arms (403). The clamping parts (406) of the two lower connecting arms (403) are movably connected to the two sides of the soft pad plate (1).

3. The improved anti-external rotation shoe according to claim 2, characterized in that: A double torsion spring (408) is movably sleeved on one side of the push rod (407) close to the lower connecting arm (403), one end of the double torsion spring (408) is fixedly mounted on one side of the lower connecting arm (403), and there are two double torsion springs (408) which are distributed on both sides of the push rod (407) in a mirror-symmetrical manner.

4. The improved anti-external rotation shoe according to claim 3, characterized in that: An upper connecting arm (409) is connected through the middle of the outer arc surface of the push rod (407), a connecting piece (410) is provided at the top of one side surface of the upper connecting arm (409), a through groove is provided in the middle of one side surface of the upper connecting arm (409), and one end of the connecting piece (410) is passed through the through groove on one side of the upper connecting arm (409).

5. The improved anti-external rotation shoe according to claim 4, characterized in that: A limit spring (411) is fixedly installed in a through slot on one side of the upper connecting arm (409), and one end of the limit spring (411) is sleeved on the surface of the connecting piece (410).

6. The improved anti-external rotation shoe according to claim 5, characterized in that: One end of the connecting piece (410) is fixedly mounted on the surface of the guard plate outer shell (2), and one side of the upper connecting arm (409) is provided with a same extension portion, and the extension portion of the upper connecting arm (409) is placed parallel to the guard plate outer shell (2).

7. The improved anti-external rotation shoe according to claim 6, characterized in that: The surface of the guard plate shell (2) is provided with a plurality of air holes, and the lower surface of the soft cushion plate (1) is provided with a plurality of anti-slip grooves (5).