Joint fixing device for sports medicine

By designing a hand joint fixing device with an angle adjustment mechanism and a range limiting mechanism, the problem of single fixing angle of the existing device is solved, and flexible adjustment of joint fixing angle and convenience of rehabilitation training are achieved.

CN222517114UActive Publication Date: 2025-02-25920TH HOSPITAL OF THE JOINT LOGISTIC SUPPORT FORCE OF THE CHINESE PEOPLES LIBERATION ARMY
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420861608.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-02-25
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing hand joint fixator device has a single fixing angle and cannot be adjusted independently according to the patient's specific situation. It is inconvenient when joint activity training is required in the later stage of recovery.

Method used

An articulated fixing device including a first fixing member, a second fixing member, a sliding handle and a restraint belt is designed, and the angles of the first and second fixing members are adjusted by an angle adjustment mechanism on the second sliding handle and through a limit position The guide groove and range limiting mechanism enable limiting and adjusting the device angle.

Benefits of technology

It realizes flexible adjustment of the angle of the joint fixation device, which facilitates doctors to perform appropriate joint fixation according to different situations, and helps patients to conduct effective rehabilitation training within a certain range of motion angles.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222517114U_ABST
    Figure CN222517114U_ABST
Patent Text Reader

Abstract

The utility model discloses a joint fixing device for sports medicine, which relates to the technical field of sports medicine and comprises a first fixing part, a second fixing part, a first sliding handle, a second sliding handle and a binding belt. A limiting mechanism is arranged, after a buckle mechanism for rotation of the fixing device is loosened, the limiting mechanism is locked through a positioning mechanism, and then a positioning handle is rotated and adjusted to control the angle range of movement of the device; after large-range angle limitation of the device is achieved through cooperation of the angle adjusting mechanism and the limiting mechanism, angle movement can be conducted within a small-range angle, and a patient can be helped to conduct rehabilitation training within a certain movement angle range in the later recovery period; and the device is adjusted by rotating the handle, so that the patient can conveniently adjust the device according to own conditions.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of sports medicine, and in particular relates to a joint fixing device used in sports medicine. Background Art

[0002] A joint refers to the connection between bones. Due to the different functions of bones in different parts of animals, the joints connected to bones can be divided into two categories: fixed joints and fixed joints. Bones are tightly connected to each other by dense fibrous connective tissue. After patients undergo joint surgery, in addition to the recovery of early drug treatment and joint fixation, reasonable joint training in the later stage of recovery plays a vital role in the patient's joint rehabilitation.

[0003] Most of the existing hand joint fixation devices currently have a single fixing angle, which makes it inconvenient for some patients to independently adjust the angle of the joint fixation device according to their own joint conditions and inconvenient for certain joint activity training required in the later stage of rehabilitation. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a joint fixation device for sports medicine, which solves the problem that some patients are inconvenient to adjust the angle of the joint fixation device according to their own joint conditions and need to perform certain joint activity training in the later stage of rehabilitation.

[0005] In order to achieve the above technical effects, the utility model is implemented through the following technical solutions:

[0006] 14. The joint fixing device of claim 13, wherein the first fixing member is a first fixing member, a second fixing member, a first sliding handle, a second sliding handle and a restraining belt, wherein the second fixing member and the first fixing member have the same structure, and the second fixing member end is rotatably connected to the first fixing member end, wherein a plurality of restraining belts are equidistantly arranged on the upper end surface of the first fixing member, the middle portion of the first fixing member is rotatably connected to the end of the first sliding handle, a rotating slide groove and a limiting guide groove are arranged on the first sliding handle, wherein the limiting guide groove penetrates into the rotating slide groove, a range limiting mechanism is arranged inside the limiting guide groove, a positioning rack is installed below the limiting guide groove, an adjusting rack and a sliding claw groove are respectively arranged on both sides of the rotating slide groove, one end of the second sliding handle is slidably connected in the rotating slide groove, and the other end is rotatably connected to the middle portion of the second fixing member, and an angle adjustment mechanism is arranged on the second sliding handle.

[0007] Preferably, the first fixing member comprises two fixing rods arranged in parallel, and the arc-shaped support pockets at the bottom ends of the two fixing rods are fixedly connected; a plurality of the arc-shaped support pockets are arranged and are equidistantly distributed at the bottom ends of the fixing rods.

[0008] Preferably, the angle adjustment mechanism includes a boss fixedly mounted on the second sliding handle, a circular hole, a pressing groove and a limiting square groove arranged inside the boss, a rotating handle rotatably connected to the circular hole, a snap gear and an adjusting gear fixedly connected to the middle and bottom of the rotating handle respectively, the adjusting gear is meshed with the adjusting rack, and snap mechanisms are arranged in the pressing groove and the limiting square groove, the pressing groove passes through the limiting square groove; the circular hole passes through the boss; the snap gear rotates in the circular hole.

[0009] Preferably, it includes a mounting plate fixedly installed outside the pressing slide groove, a pressing hole arranged in the middle of the mounting plate, two ends of which are respectively slidably connected to the pressing hole and the pressing slide groove, pressing springs at both ends are respectively fixedly connected to the top of the pressing slide groove and the bottom of the mounting plate, snap spring grooves are symmetrically arranged on both sides of the pressing slide, two ends are respectively fixedly connected to the bottom of the snap spring groove and the limiting spring at the bottom of the sliding block, and a sliding release block is slidably connected to the limiting square groove; the sliding block slides in the snap spring groove and the limiting square groove at the same time; the size of the sliding block is adapted to the limiting square groove; the shape of the end of the pressing slide block is adapted to the tooth shape of the snap gear.

[0010] Preferably, the range limiting mechanism includes a limiting slider slidably connected in the limiting guide groove, a positioning slide groove and a positioning square hole are arranged on the side of the limiting slider, threaded holes and the limiting slide groove are respectively arranged at the upper and lower ends of the limiting slider, screws threadedly connected in the threaded holes, a positioning handle fixedly mounted on the screws, a telescopic block slidably installed in the limiting slide groove, oblique grooves symmetrically arranged on both sides of the telescopic block, and limiting claws at both ends respectively slidably connected to the oblique grooves and the sliding claw grooves, and positioning mechanisms are arranged in the positioning slide groove and the positioning square hole; the threaded hole and the limiting slide groove penetrate; the limiting claws are respectively located on both sides of the positioning handle.

[0011] Preferably, the positioning mechanism includes a positioning block slide slidably installed in the positioning slide groove, a positioning square groove arranged on the side of the positioning slide block, and positioning springs whose two ends are respectively fixedly connected to the bottom of the positioning square groove and the bottom of the positioning block; the positioning block is slidably connected in the positioning square groove, and a release block is slidably installed inside the positioning square hole; the size of the positioning slide block is adapted to the positioning square hole; the shape of the tail of the positioning slide block is adapted to the tooth shape of the positioning rack.

[0012] Compared with the related art, the joint fixation device for sports medicine provided by the utility model has the following beneficial effects:

[0013] The utility model provides a joint fixation device for sports medicine. The angles of the first fixing part and the second fixing part are adjusted by an angle adjustment mechanism arranged inside the second sliding handle, so that doctors can fix the joints of patients at appropriate angles according to different situations. In order to solve the problem of joint training at a certain activity angle required by patients in the later stage of recovery, a limiting mechanism is provided to achieve a large-range angle limit for the device, while allowing angle activities within a small range, so as to better help patients to perform rehabilitation training within a certain range of movement angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 This is a schematic diagram of the angle adjustment mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the interior of the buckle mechanism of the utility model;

[0019] Figure 5 It is a schematic diagram of the limiting mechanism of the utility model;

[0020] Figure 6 This is a schematic diagram of the installation of the limiting mechanism of the utility model;

[0021] Figure 7 This is a schematic diagram of the installation of the angle adjustment mechanism and the limiting mechanism of the utility model;

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. First fixing member; 2. Second fixing member; 3. First sliding handle; 4. Second sliding handle; 5. Restraint belt; 6. Boss; 7. Rotating handle; 8. Rotating slide groove; 9. Limiting guide groove; 10. Limiting slider; 11. Pressing slider; 12. Sliding release block; 13. Positioning slider; 14. Positioning handle; 15. Pressing slide groove; 16. Limiting square groove; 17. Positioning handle; 18. Limiting spring; 19. Sliding block; 20. Pressing spring; 21. Mounting plate; 22 , pressing hole; 23, buckle gear; 24, adjusting gear; 25, sliding rack; 26, positioning slide groove; 27, positioning rack; 28, positioning release block; 29, limiting claw; 30, sliding claw groove; 31, round hole; 32, adjusting rack; 33, positioning square hole; 34, threaded hole; 35, limiting slide groove; 36, screw; 37, telescopic block; 38, oblique groove; 39, positioning spring; 40, positioning block; 41, positioning square groove; 42, fixing rod; 43, supporting pocket; DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] See also Figures 1 to 7 As shown, a joint fixation device for sports medicine includes a first fixing member 1, a second fixing member 2, a first sliding handle 3, a second sliding handle 4 and a restraining belt 5. The second fixing member 2 has the same structure as the first fixing member 1, and the end of the second fixing member 2 is rotatably connected to the end of the first fixing member 1, wherein a plurality of restraining belts 5 are equidistantly arranged on the upper end surface of the first fixing member 1, the middle portion of the first fixing member 1 is rotatably connected to the end of the first sliding handle 3, and a rotating slide groove 8 and a limiting guide groove 9 are arranged on the first sliding handle 3, wherein the limiting guide groove 9 penetrates into the rotating slide groove 8, A range limiting mechanism is provided inside the limiting guide groove 9, a positioning rack 27 is installed below the limiting guide groove 9, and adjustment racks 32 and sliding claw grooves 30 are respectively provided on both sides of the rotating slide groove 8. One end of the second sliding handle 4 is slidably connected in the rotating slide groove 8, and the other end is rotatably connected to the middle of the second fixing member 2. An angle adjustment mechanism is provided on the second sliding handle 4. Through the rotational connection between the first fixing member 1 and the second fixing member 2, suitable joint fixator angle matching is achieved for joint patients in different conditions, helping patients have a better recovery experience.

[0027] The first fixing member 1 includes two parallel fixed rods 42, and an arc-shaped support pocket 43 fixedly connecting the bottom ends of the two fixed rods 42. There are a plurality of arc-shaped support pockets 43 distributed evenly at the bottom ends of the fixed rods 42. The plurality of support pockets 43 can help the patient to support his arm just right, and the hollowing out between the support pockets can also help the patient to dissipate heat from his arm.

[0028] The angle adjustment mechanism includes a boss 6 fixedly mounted on the second sliding handle 4, a circular hole 31, a pressing slide groove 15 and a limiting square groove 16 arranged inside the boss 6, a rotating handle 7 rotatably connected to the circular hole 31, a buckle gear 23 and an adjusting gear 24 fixedly connected to the middle and bottom of the rotating handle 7 respectively, the adjusting gear 24 is meshed and connected with the adjusting rack 32, and a buckle mechanism is arranged in the pressing slide groove 15 and the limiting square groove 16, the pressing slide groove 15 penetrates into the limiting square groove 16, the circular hole 31 penetrates the boss 6, the buckle gear 23 rotates in the circular hole 31, and the limiting gear is driven to slide and rotate by rotating the rotating handle 7, and the adjusting gear 24 moves on the adjusting rack 32, thereby driving the second sliding handle 4 to move in the first sliding handle 3, and adjusting the distance between the first fixing member 1 and the second fixing member 2 to control the change of their opening and closing angles, thereby realizing the adjustment of the fixed angle of the device.

[0029] The buckle mechanism includes a mounting plate 21 fixedly mounted outside the pressing slide groove 15, a pressing hole 22 arranged in the middle of the mounting plate 21, a pressing slider 11 slidably connected to the pressing hole 22 and the pressing slide groove 15 at both ends, a pressing spring 20 fixedly connected to the top of the pressing slider 11 and the bottom of the mounting plate 21 at both ends, buckle spring grooves 25 symmetrically arranged on both sides of the pressing slider 11, a limiting spring 18 fixedly connected to the bottom of the buckle spring groove 25 and the bottom of the sliding block 19 at both ends, a sliding release block 12 slidably connected to the limiting square groove 16, and a sliding block 19 slides in the snap spring groove 25 and the limiting square groove 16 at the same time. The size of the sliding block 19 is adapted to the limiting square groove 16. The shape of the end of the pressing slider 11 is adapted to the tooth shape of the snap gear 23. By pressing the pressing slider 11 to slide in the pressing slide groove 15, the tail of the pressing slider 11 is in contact with the snap gear 23. The fit between the tail of the pressing slider 11 and the tooth shape of the snap gear 23 is utilized to limit the rotation of the snap gear 23, thereby limiting the rotation of the adjusting gear 24 and fixing the rotation of the device. When it needs to be released later, the sliding release block 12 is pressed.

[0030] The range limiting mechanism includes a limiting slider 10 slidably connected in the limiting guide groove 9, a positioning slide groove 26 and a positioning square hole 33 are arranged on the side of the limiting slider 10, a threaded hole 34 and a limiting slide groove 35 are arranged on the upper and lower end surfaces of the limiting slider 10, a screw 36 threadedly connected in the threaded hole 34, a positioning handle 17 fixedly mounted on the screw 36, a telescopic block 37 slidably connected in the limiting slide groove 35, an oblique groove 38 symmetrically arranged on both sides of the telescopic block 37, and limiting claws 29 slidably connected in the oblique groove 38 and the sliding claw groove 30 at both ends, respectively, a positioning mechanism is provided in the positioning slide groove 26 and the positioning square hole 33, the threaded hole 34 and the limiting slide groove 35 penetrate, and the limiting claws 29 are respectively located on both sides of the positioning handle 17, and the positioning handle 17 is rotated to screw the screw 36 into the threaded hole 34, so as to push the telescopic block 37 to move, and when the telescopic block 37 moves downward, the distance between the two limiting claws 29 increases, and the rotatable angle range of the device increases, and when the telescopic block 29 moves upward, the distance between the two limiting claws 29 decreases, and the rotatable angle range of the device also decreases.

[0031] The positioning mechanism includes a positioning block slide 13 slidably installed in the positioning slide groove 26, a positioning square groove 41 arranged on the side of the positioning slide block, and positioning springs 39 with two ends respectively fixedly connected to the bottom of the positioning square groove 41 and the bottom of the positioning block 40. The positioning block 40 is slidably connected in the positioning square groove 41, and a release block 28 is slidably installed inside the positioning square hole 33. The size of the positioning slide block 13 is adapted to the positioning square hole 33, and the shape of the tail of the positioning slide block 13 is adapted to the tooth shape of the positioning rack 27. By pressing the positioning slide block 13 to enter the positioning slide groove, the positioning slide block 13 is in contact with the positioning rack 27, and the positioning of the limiting device is achieved by utilizing the fit between the tail of the positioning slide block and the tooth shape of the positioning rack.

[0032] Example 2

[0033] Instructions for use: First, according to the condition of the patient's joints, place the patient's arm into the first fixing member 1 and the second fixing member 2, and adjust the fixing angle of the device by rotating the rotating handle 7. After adjusting to the appropriate angle, press the pressing slider 11 to lock the angle of the device, and then use the restraint belt 5 to fix the patient's arm and the device. In the later stage of the patient's recovery, press the positioning slider 13 to fix the limiting device first, and then press the sliding release block 12. At this time, the device moves at a certain angle within the range limited by the two limiting claws 29. According to the angle required for the patient's rehabilitation training, rotate the positioning handle 17 to adjust the activity angle of the device.

Claims

1. A joint fixation device for sports medicine, comprising a first fixing member (1), a second fixing member (2), a first sliding handle (3), a second sliding handle (4) and a restraining belt (5), characterized in that: The second fixing member (2) and the first fixing member (1) have the same structure, and the end of the second fixing member (2) is rotatably connected to the end of the first fixing member (1), wherein a plurality of restraining belts (5) are equidistantly arranged on the upper end surface of the first fixing member (1), the middle part of the first fixing member (1) is rotatably connected to the end of the first sliding handle (3), and the first sliding handle (3) is provided with a rotating slide groove (8) and a limiting guide groove (9), wherein the limiting guide groove (9) penetrates into the rotating slide groove (8), and a range limiting mechanism is provided inside the limiting guide groove (9), a positioning rack (27) is installed below the limiting guide groove (9), and adjustment racks (32) and sliding claw grooves (30) are respectively provided on both sides of the rotating slide groove (8), one end of the second sliding handle (4) is slidably connected in the rotating slide groove (8), and the other end is rotatably connected to the middle part of the second fixing member (2), and an angle adjustment mechanism is provided on the second sliding handle (4).

2. A joint fixation device for sports medicine according to claim 1, characterized in that: The first fixing member (1) comprises two fixing rods (42) arranged in parallel, and an arc-shaped support pocket (43) fixedly connected to the bottom ends of the two fixing rods (42); a plurality of the arc-shaped support pockets (43) are arranged and equidistantly distributed at the bottom ends of the fixing rods (42).

3. A joint fixation device for sports medicine according to claim 1, characterized in that: The angle adjustment mechanism comprises a boss (6) fixedly mounted on the second sliding handle (4), a circular hole (31), a pressing slide groove (15) and a limiting square groove (16) arranged inside the boss (6), a rotating handle (7) rotatably connected inside the circular hole (31), a buckle gear (23) and an adjusting gear (24) respectively fixedly connected to the middle and bottom of the rotating handle (7), the adjusting gear (24) being meshedly connected with the adjusting rack (32), buckle mechanisms being arranged inside the pressing slide groove (15) and the limiting square groove (16), the pressing slide groove (15) penetrating into the limiting square groove (16); the circular hole (31) penetrating the boss (6); the buckle gear (23) rotating inside the circular hole (31).

4. A joint fixation device for sports medicine according to claim 3, characterized in that: The buckle mechanism comprises a mounting plate (21) fixedly mounted outside the pressing slide groove (15), a pressing hole (22) arranged in the middle of the mounting plate (21), a pressing slider (11) slidably connected at both ends to the pressing hole (22) and the pressing slide groove (15), a pressing spring (20) fixedly connected at both ends to the top of the pressing slider (11) and the bottom of the mounting plate (21), buckle spring grooves (25) symmetrically arranged on both sides of the pressing slider (11), and the two ends are respectively connected to the pressing spring groove (25). The ends are respectively fixedly connected to the bottom of the buckle spring groove (25) and the limiting spring (18) at the bottom of the sliding block (19), and are slidably connected to the sliding release block (12) in the limiting square groove (16); the sliding block (19) slides in the buckle spring groove (25) and the limiting square groove (16) at the same time; the size of the sliding block (19) is adapted to the limiting square groove (16); the shape of the end of the pressing slider (11) is adapted to the tooth shape of the buckle gear (23).

5. A joint fixation device for sports medicine according to claim 1, characterized in that: The range limiting mechanism comprises a limiting slider (10) slidably connected in the limiting guide groove (9), a positioning slide groove (26) and a positioning square hole (33) arranged inside the limiting slider, a threaded hole (34) and a limiting slide groove (35) arranged on the upper and lower end surfaces of the limiting slider, a screw (36) threadedly connected in the threaded hole (34), a positioning handle (17) fixedly mounted on the screw (36), a telescopic block (37) slidably installed in the limiting slide groove (35), an inclined groove (38) symmetrically arranged on both sides of the telescopic block (37), and limiting claws (29) slidably connected in the inclined groove (38) and the sliding claw groove (30) at both ends, wherein the positioning slide groove (26) and the positioning square hole (33) are both provided with a positioning mechanism; the threaded hole (34) and the limiting slide groove (35) are penetrated; and the limiting claws (29) are respectively located on both sides of the positioning handle (17).

6. A joint fixation device for sports medicine according to claim 5, characterized in that: The positioning mechanism comprises a positioning slide block (13) slidably mounted in a positioning slide groove (26), a positioning square groove (41) arranged on the side of the positioning slide block (13), and a positioning spring (39) whose two ends are respectively fixedly connected to the bottom of the positioning square groove (41) and the bottom of a positioning block (40); the positioning block (40) is slidably connected in the positioning square groove (41); a release block (28) is slidably mounted inside the positioning square hole (33); the size of the positioning slide block (13) is adapted to the positioning square hole (33); and the shape of the tail of the positioning slide block (13) is adapted to the tooth shape of the positioning rack (27).