Clamping plate mounting and fastening device for orthopedics department

Abstract

The invention relates to the field of medical instruments, and discloses an orthopedic splint mounting and fastening device which comprises an upper arm mechanism, a front arm mechanism, a holding mechanism, a locking mechanism and a locking mechanism. According to the invention, through the arrangement of a locking mechanism and a lock catch mechanism, after a locking block is inserted into a second sliding groove along a first inclined surface and a second inclined surface, a pressing rod is pressed down to enable a pressing locking piece to descend and lock, so that a first square plate is driven to move downwards, and at the moment, the first square plate moves downwards; the rotating block does not make contact with the second sliding groove and rotates outwards, the bottom of the rotating block is inserted into the locking inclined face of the locking block along with continuous downward movement of the first square plate, the locking block is locked in the second sliding groove, at the moment, the bandage is driven to be pulled out of the arc-shaped sliding groove, and then the upper arm frame is fixed to the outer portion of the upper arm of the patient. Meanwhile, the patient holds the holding rod, and the whole device can be attached to the outer sides of the upper arm and the front arm of the patient.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and particularly relates to a splint installation and fastening device for orthopedics. Background Art

[0002] Orthopedic splints are medical devices used to fix and protect limbs with fractures or soft tissue injuries. They mainly include long splints made of wood, plastic, or metal, and variable splints made of polymers that can change shape according to the patient's condition. Although variable splints have a high degree of fit with the patient's body, are lightweight and breathable, their cost is higher than that of ordinary long splints. At the same time, they are more difficult to remove, require professional tools, and will generate additional medical waste. Therefore, for most cases of minor fractures and bone cracks, long splints combined with bandages are still preferred to fix the affected area of the patient.

[0003] Existing orthopedic splint installation and fastening devices will choose to install the splint inside the fastening device, and then let the patient place the affected limb inside the bracket where the splint is installed. Then, instruments such as gauze and bandages are used to fix the splint at the patient's injury site. The above method has good installation and fastening effects and speed when dealing with forearm and leg fractures. However, for patients with upper arm fractures, when using the above type of orthopedic splint installation and fastening device to install the splint, the patient needs to keep the upper arm and forearm in a straight line (i.e., anatomical position) to insert them into the bracket. In order to prevent problems such as muscle atrophy, joint contracture, and joint stiffness caused by long-term fixation of the splint, the upper arm and forearm of the patient need to be at a 90° angle (i.e., functional position) before installing the splint. Therefore, the above type of device cannot be used to install the splint for the patient. At the same time, when winding gauze and bandages with the above type of orthopedic splint installation and fastening device, since the winding shaft is in a horizontal state, after the gauze and bandages are wound, the splint will firmly adhere to the patient's injury site. When the patient's injury site swells, the patient's body will be squeezed by the splint, thus affecting the treatment effect of the patient's injury site. Summary of the Invention

[0004] The present application proposes an orthopedic splint installation and fastening device, which has the advantages of simple structure and convenient use, and at the same time solves the problem that existing devices cannot install splints for upper arm fractures.

[0005] To achieve the above object, the present application adopts the following technical solution: An orthopedic splint installation and fastening device, comprising:

[0006] An upper arm mechanism, the upper arm mechanism includes an upper arm frame, which is attached to the patient's upper arm;

[0007] A forearm mechanism, the forearm mechanism includes a forearm frame, and a connecting frame is fixedly connected to the outer side surface of the forearm frame and is hinged to the bottom of the upper arm frame;

[0008] A holding mechanism, the holding mechanism includes symmetric holding frames fixedly connected to the forearm frame, adjustment sliding grooves are formed on the opposite sides of the two holding frames, sliders are slidably connected in the adjustment sliding grooves, and a holding rod is rotatably installed between the two sliders;

[0009] A locking mechanism, the locking mechanism includes a housing fixedly connected inside the upper arm frame, and a pressing locking member is fixedly connected inside the housing;

[0010] A locking mechanism, the locking mechanism includes a locking plate, a strap and a locking block, the locking block is hinged to the side of the locking plate, the locking mechanism is used to fix the upper arm frame to the patient's upper arm, and the locking mechanism is used to embed the locking block into the upper arm frame to prevent it from detaching.

[0011] Preferably, a plurality of vertically arranged arc-shaped sliding grooves are formed inside the upper arm frame, a first sliding column is slidably connected in the arc-shaped sliding groove, and a first spring is elastically connected between the side surface of the first sliding column and the inner side surface of the arc-shaped sliding groove close to the vertical side surface of the upper arm frame.

[0012] Preferably, the fixed end of the strap is fixedly connected to the inner side surface of the arc-shaped sliding groove, the movable end of the strap bypasses the first sliding column and passes through the vertical side surface of the upper arm frame, and the locking plate is fixedly connected to the movable end of the strap.

[0013] Preferably, a plurality of magnet blocks are fixedly connected to the vertical side surface of the upper arm frame, the magnet blocks correspond to the arc-shaped sliding grooves, the locking plate and the locking block are ferromagnetic, and the locking plate is attracted to the magnet block.

[0014] Preferably, a vertical clamping plate groove is formed on the inner side surface of the upper arm frame, a first sliding groove leading to the locking mechanism is formed on the top surface of the upper arm frame, a plurality of second sliding grooves are formed on the inner side surface of the first sliding groove, and a first inclined surface and a second inclined surface are formed on the outer side surface of the upper arm frame to communicate the second sliding groove with the outside.

[0015] Preferably, a sponge column is rotatably sleeved on the holding rod, a sliding shell is slidably connected in the adjustment sliding groove, symmetric fixing plates are fixedly connected to the bottom surface of the sliding shell, and the fixing plates are slidably connected to the inner bottom surface of the adjustment sliding groove so that the sliding shell can only slide left and right in the adjustment sliding groove.

[0016] Preferably, a sliding plate is slidably connected in the sliding shell, a second spring is elastically connected between the sliding plate and the inner bottom surface of the sliding shell, and a chamfer inclined surface inclined towards the inside is formed on the top surface of the sliding shell.

[0017] Preferably, third inclined surfaces are provided around the top surface of the slider. The width of the slider is less than the inner width of the sliding shell. The thickness of the slider is less than the depth of the adjustment chute. Symmetric protruding rings are fixedly sleeved on the holding rod, and the outer side surface of the protruding ring abuts against the side surface of the slider.

[0018] Preferably, the locking mechanism further includes a pressing rod slidably sleeved in the first chute. The bottom end of the pressing rod is fixedly connected to the top end of the movable part of the pressing lock. A plurality of first square plates and second square plates are fixedly sleeved on the pressing rod. Both the first square plate and the second square plate are slidably connected in the second chute. A rotating block is hinged to the side surface of the first square plate facing the first inclined surface. A torsion spring is sleeved on the rotating shaft of the rotating block. Two ends of the torsion spring are respectively fixedly connected to the rotating block and the first square plate. By default, the rotating block rotates outwards so that its outer side surface is not perpendicular. A top protrusion is fixedly connected to the top surface of the second square plate.

[0019] Preferably, a locking inclined surface is provided on the top surface of the lock block, and a notch is provided on the bottom surface of the lock block. After the lock block is inserted into the second chute and the pressing rod is pressed to lock the pressing lock, the rotating block is inserted into the locking inclined surface.

[0020] The beneficial effects of the present invention are as follows:

[0021] 1. In the present invention, through the provided locking mechanism and the lock buckle mechanism, after the lock block is inserted into the second chute along the first inclined surface and the second inclined surface, by pressing the pressing rod, the pressing lock descends and locks, thereby driving the first square plate to move downward. At this time, as the first square plate moves downward, the rotating block no longer contacts the second chute and rotates outwards. As the first square plate continues to move downward, the bottom of the rotating block is inserted into the locking inclined surface of the lock block, thereby locking the lock block in the second chute. At this time, the strap is driven to be pulled out from the arc chute, and then the upper arm bracket is fixed to the outside of the patient's upper arm. At the same time, when the patient holds the holding rod, the entire device can be attached to the outer sides of the patient's upper arm and forearm.

[0022] 2. After the bandage is wound around the patient, by pressing down the pressing rod, the pressing lock is unlocked and the pressing rod is pushed upward. At this time, as the pressing rod moves upward, the first square plate and the second square plate move upward. As the first square plate moves upward, the rotating block is separated from the locking inclined surface. At the same time, as the second square plate moves upward, the top protrusion is inserted into the notch below the lock block, thereby pushing the lock block out of the second chute, and the lock buckle mechanism is unlocked. At this time, under the action of the first spring, the first sliding column slides in the arc chute, and then pulls the strap back into the arc chute, so that the strap pulls the lock buckle plate to reattach to the magnet block. In this way, when removing the entire device, only by pressing the pressing rod of the locking mechanism, the lock buckle mechanism can be quickly unlocked, so that the entire device can still be quickly removed even when the bandage has been wound around the upper arm bracket.

[0023] 3. Through the provided holding mechanism, as the slider slides within different branches of the adjustment chute, the distance between the holding rod and the upper arm frame changes, enabling the device to be used by patients with different forearm lengths. At the same time, through the provided sliding shell, second spring, and sliding plate, the position of the slider within the adjustment chute can only be changed after the holding rod is pushed downward and the slider is inserted into the sliding shell, preventing the holding rod from sliding during the patient's grip and affecting the stability of the overall structure when wrapping the bandage. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings forming a part of the specification depict the embodiments disclosed in the present application and, together with the specification, are used to explain the principles disclosed in the present application in a clear and understandable manner.

[0025] With reference to the drawings, the present disclosure can be more clearly understood from the following detailed description, where:

[0026] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 is a schematic diagram of the structure of the upper arm part of the present invention;

[0028] Figure 3 is Figure 2 an enlarged schematic diagram of part A in

[0029] Figure 4 is Figure 2 an enlarged schematic diagram of part B in

[0030] Figure 5 is Figure 2 an enlarged schematic diagram of part C in

[0031] Figure 6 is a cross-sectional view of the first chute and the second chute;

[0032] Figure 7 is a schematic diagram of the structure of the forearm frame in the present invention;

[0033] Figure 8 is Figure 7 an enlarged schematic diagram of part D in

[0034] Figure 9 is a cross-sectional view of the sliding shell in the present invention;

[0035] Figure 10 is a cross-sectional view of the housing of the locking mechanism in the present invention;

[0036] Figure 11 is a schematic diagram of the structure of the first square plate in the present invention;

[0037] Figure 12 is a schematic diagram of the structure of the lock block in the present invention.

[0038] Wherein: 1. Upper arm mechanism; 11. Upper arm frame; 12. Splint groove; 13. Arc-shaped chute; 14. First sliding column; 15. First spring; 16. Magnet block; 17. First chute; 18. Second chute; 19. First inclined plane; 110. Second inclined plane; 2. Forearm mechanism; 21. Forearm frame; 22. Connecting frame; 3. Holding mechanism; 31. Holding frame; 32. Adjusting chute; 33. Slide block; 34. Holding rod; 35. Sponge column; 36. Sliding shell; 37. Fixed plate; 38. Second spring; 39. Sliding plate; 310. Third inclined plane; 311. Raised ring; 4. Locking mechanism; 41. Outer shell; 42. Pressing lock; 43. Pressing rod; 44. First square plate; 45. Rotating block; 46. Torsion spring; 47. Second square plate; 48. Upper protrusion; 5. Locking mechanism; 51. Locking plate; 52. Band; 53. Locking block; 54. Locking inclined plane; 55. Notch. Specific implementation manner

[0039] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0040] Please refer to Figures 1 to 12 , a splint installation and fastening device for orthopedics in this embodiment, including:

[0041] The upper arm mechanism 1, the upper arm mechanism 1 includes an upper arm frame 11, which is attached to the upper arm of the patient;

[0042] The forearm mechanism 2, the forearm mechanism 2 includes a forearm frame 21, and a connecting frame 22 is fixedly connected to the outer side surface of the forearm frame 21 and is hinged to the bottom of the upper arm frame 11;

[0043] The holding mechanism 3, the holding mechanism 3 includes symmetric holding frames 31 fixedly connected to the forearm frame 21, adjusting chutes 32 are opened on the opposite sides of the two holding frames 31, a slide block 33 is slidably connected in the adjusting chutes 32, and a holding rod 34 is rotatably installed between the two slide blocks 33;

[0044] The locking mechanism 4, the locking mechanism 4 includes an outer shell 41 fixedly connected inside the upper arm frame 11, and a pressing lock 42 is fixedly connected inside the outer shell 41;

[0045] The buckle mechanism 5 includes a buckle plate 51, a strap 52, and a lock block 53. The lock block 53 is hinged to the side of the buckle plate 51. The buckle mechanism 5 is used to fix the upper arm bracket 11 to the patient's upper arm, and the locking mechanism 4 is used to insert the lock block 53 into the upper arm bracket 11 to prevent it from detaching.

[0046] A return spring that causes the bottom of the lock block 53 to rotate towards the buckle plate 51 is provided at the hinged portion of the lock block 53 and the buckle plate 51 according to the existing technology.

[0047] In the present invention, through the provided locking mechanism 4 and buckle mechanism 5, after the lock block 53 is inserted into the second chute 18 along the first inclined surface 19 and the second inclined surface 110, by pressing the pressing rod 43, the pressing locking member 42 descends and locks, thereby driving the first square plate 44 to move downward. At this time, as the first square plate 44 moves downward, the rotating block 45 no longer contacts the second chute 18 and rotates outward. As the first square plate 44 continues to move downward, the bottom of the rotating block 45 is inserted into the locking inclined surface 54 of the lock block 53, thereby locking the lock block 53 in the second chute 18. At this time, the strap 52 is driven to be pulled out from the arc chute 13, and then the upper arm bracket 11 is fixed to the outside of the patient's upper arm. At the same time, if the patient holds the holding rod 34, the entire device can be attached to the outer sides of the patient's upper arm and forearm.

[0048] After the bandage is wound around the patient in this way, by pressing down the pressing rod 43, the pressing locking member 42 is unlocked and the pressing rod 43 is pushed upward. At this time, as the pressing rod 43 moves upward, the first square plate 44 and the second square plate 47 move upward. As the first square plate 44 moves upward, the rotating block 45 separates from the locking inclined surface 54. At the same time, as the second square plate 47 moves upward, the upper protrusion 48 is inserted into the notch 55 below the lock block 53, thereby ejecting the lock block 53 from the second chute 18. The buckle mechanism 5 is unlocked. At this time, under the action of the first spring 15, the first sliding column 14 slides in the arc chute 13, and then pulls the strap 52 to retract into the arc chute 13, so that the strap 52 pulls the buckle plate 51 to re-engage with the magnet block 16. In this way, when removing the entire device, only by pressing the pressing rod 43 of the locking mechanism 4, the buckle mechanism 5 can be quickly unlocked, so that the entire device can still be quickly removed even when the bandage has been wound around the upper arm bracket 11.

[0049] Through the provided holding mechanism 3, as the slider 33 slides within different branches of the adjustment chute 32, the distance between the holding rod 34 and the upper arm frame 11 changes, enabling the device to be used by patients with different forearm lengths. Meanwhile, through the provided sliding shell 36, second spring 38, and sliding plate 39, after pushing the holding rod 34 downward and causing the slider 33 to be inserted into the sliding shell 36, the position of the slider 33 within the adjustment chute 32 can be changed, preventing the holding rod 34 from sliding during the patient's grip and affecting the stability of the overall structure when wrapping the bandage.

[0050] Among them, a plurality of vertically arranged arc-shaped chutes 13 are formed inside the upper arm frame 11. A first sliding column 14 is slidably connected within the arc-shaped chute 13. A first spring 15 is elastically connected between the side surface of the first sliding column 14 and the inner side surface of the arc-shaped chute 13 close to the vertical side surface of the upper arm frame 11. The fixed end of the strap 52 is fixedly connected to the inner side surface of the arc-shaped chute 13. The movable end of the strap 52 bypasses the first sliding column 14 and passes through the vertical side surface of the upper arm frame 11. The lock catch plate 51 is fixedly connected to the movable end of the strap 52.

[0051] Through the above design, when the strap 52 is not being pulled, the strap 52 is retracted into the arc-shaped chute 13 under the drive of the first sliding column 14 and the first spring 15, thereby preventing the straps 52 from being entangled with each other and with the bandage when removing the device, resulting in the problem of being unable to remove it.

[0052] Among them, a plurality of magnet blocks 16 are fixedly connected to the vertical side surface of the upper arm frame 11. The magnet blocks 16 correspond to the arc-shaped chutes 13. The lock catch plate 51 and the lock block 53 are ferromagnetic, and the lock catch plate 51 is attracted to the magnet block 16.

[0053] When the device is not in use, due to the action of the first spring 15, the strap 52 will be retracted into the arc-shaped chute 13. At this time, as the strap 52 is retracted, the lock catch plate 51 is adsorbed on the magnet block 16, thereby preventing the lock catch plate 51 and the lock block 53 from colliding with other structures or components during the storage, transportation, and removal of the device, resulting in damage to the structure or components.

[0054] Among them, a vertical clamping plate groove 12 is formed on the inner side surface of the upper arm frame 11. A first chute 17 leading to the locking mechanism 4 is formed on the top surface of the upper arm frame 11. A plurality of second chutes 18 are formed on the inner side surface of the first chute 17. A first inclined surface 19 and a second inclined surface 110 are formed on the outer side surface of the upper arm frame 11 to communicate the second chute 18 with the outside.

[0055] The provision of the first inclined surface 19 and the second inclined surface 110 causes the lock block 53 inserted into the second chute 18 to rotate outward. In this way, after the rotating block 45 is inserted into the locking inclined surface 54, the upper part of the rotating block 45 abuts against the inner side surface of the second chute 18, thereby enabling the rotating block 45 to lock the lock block 53 more stably.

[0056] Among them, a sponge column 35 is rotatably sleeved on the holding rod 34, a sliding shell 36 is slidably connected in the adjusting chute 32, symmetric fixing plates 37 are fixedly connected to the bottom surface of the sliding shell 36, and the fixing plates 37 are slidably connected to the inner bottom surface of the adjusting chute 32 so that the sliding shell 36 can only slide left and right in the adjusting chute 32. A sliding plate 39 is slidably connected in the sliding shell 36, and a second spring 38 is elastically connected between the sliding plate 39 and the inner bottom surface of the sliding shell 36. An inclined chamfer is provided on the top surface of the sliding shell 36 and slopes towards its interior. Third inclined surfaces 310 are provided around the top surface of the slider 33. The width of the slider 33 is smaller than the inner width of the sliding shell 36, and the thickness of the slider 33 is smaller than the depth of the adjusting chute 32. Symmetric raised rings 311 are fixedly sleeved on the holding rod 34, and the outer side surface of the raised ring 311 abuts against the side surface of the slider 33.

[0057] After the slider 33 is pushed downward and embedded in the sliding shell 36, since the slider 33 moves towards the outside of the adjusting chute 32, the two sliders 33 squeeze the holding rod 34 between them, causing the holding rod 34 to arch. At the same time, due to the extrusion between the raised ring 311 and the slider 33, the frictional force between them makes the holding rod 34 unable to rotate, preventing it from rotating when adjusting the holding rod 34 and squeezing the patient's fingers.

[0058] Among them, the locking mechanism 4 further includes a pressing rod 43 slidably sleeved in the first chute 17. The bottom end of the pressing rod 43 is fixedly connected to the top end of the movable part of the pressing lock 42. A plurality of first square plates 44 and second square plates 47 are fixedly sleeved on the pressing rod 43. Both the first square plate 44 and the second square plate 47 are slidably connected in the second chute 18. A rotating block 45 is hinged to the side surface of the first square plate 44 facing the first inclined surface 19. A torsion spring 46 is sleeved on the rotating shaft of the rotating block 45. The two ends of the torsion spring 46 are respectively fixedly connected to the rotating block 45 and the first square plate 44. By default, the rotating block 45 rotates outward so that its outer side surface is not perpendicular. An upper protrusion 48 is fixedly connected to the top surface of the second square plate 47. A locking inclined surface 54 is provided on the top surface of the lock block 53, and a notch 55 is provided on the bottom surface of the lock block 53. After the lock block 53 is inserted into the second chute 18 and the pressing rod 43 is pressed to lock the pressing lock 42, the rotating block 45 is inserted into the locking inclined surface 54.

[0059] The setting of the locking inclined surface 54 makes the rotating block 45 inserted into the locking inclined surface 54 after the first square plate 44 moves downward, preventing the lock block 53 from disengaging from the second chute 18. The setting of the notch 55 makes the upper protrusion 48 enter the notch 55 and push the lock block 53 away from the second chute 18 after the second square plate 47 moves upward, thus quickly locking and unlocking the lock block 53.

[0060] Working principle:

[0061] When using this device to install the splint on the outer side of the upper arm of a patient with a fractured upper arm, first make the upper arm frame 11 and the forearm frame 21 in a horizontal state. Then insert the splint into the splint groove 12, and put the padding material into the inner concave part of the upper arm frame 11. Subsequently, adjust the position of the holding rod 34 for the patient to hold. Then rotate the upper arm frame 11 part so that the upper arm frame 11 switches from being horizontal with the forearm frame 21 to a vertical state, making the padding fit against the patient's upper arm.

[0062] Then sequentially pull out the lock mechanism 5 from bottom to top, and insert the lock block 53 into the second chute 18. Then press down the pressing rod 43, so that the pressing rod 43 drives the first square plate 44 and the second square plate 47 to move downward together. At this time, the rotating block 45 hinged to the first square plate 44 is inserted into the locking inclined surface 54, thereby locking the lock block 53 in the second chute 18.

[0063] After the above preparatory work is completed, start winding the bandage from above the patient's elbow joint until the bandage is wound to the patient's shoulder. After the bandage winding is completed, press down the pressing rod 43 to unlock the locking mechanism 4. At this time, the lock block 53 is no longer locked by the rotating block 45. At this time, with the rebounding action of the first spring 15, the first sliding column 14 slides towards the other end of the arc chute 13, thereby retracting the strap 52 into the arc chute 13. And when the retraction of the strap 52 is completed, the lock buckle plate 51 will also be adsorbed on the magnet block 16.

[0064] After that, let the patient release the holding frame 31 and pull down the upper arm frame 11 and the forearm frame 21 from the patient's elbow, and pull them out of the bandage. At this time, there will be a gap between the bandage, the splint and the padding, so as to avoid the bandage tightly winding around the patient's injury and pressing on it, affecting the healing of the injury.

[0065] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A splint installation and fastening device for orthopedics, characterized in that, Comprising: An upper arm mechanism (1), the upper arm mechanism (1) including an upper arm frame (11) which is attached to the patient's upper arm; A forearm mechanism (2), the forearm mechanism (2) including a forearm frame (21), an outer side surface of the forearm frame (21) being fixedly connected with a connecting frame (22) and being hinged to the bottom of the upper arm frame (11); A holding mechanism (3), the holding mechanism (3) including symmetric holding frames (31) fixedly connected to the forearm frame (21), opposite side surfaces of the two holding frames (31) being provided with adjusting sliding grooves (32), sliders (33) being slidably connected in the adjusting sliding grooves (32), a holding rod (34) being rotatably installed between the two sliders (33); A locking mechanism (4), the locking mechanism (4) including a housing (41) fixedly connected inside the upper arm frame (11), a pressing locking member (42) being fixedly connected inside the housing (41); A locking buckle mechanism (5), the locking buckle mechanism (5) including a locking buckle plate (51), a strap (52) and a locking block (53), the locking block (53) being hinged to a side surface of the locking buckle plate (51), the locking buckle mechanism (5) being used for fixing the upper arm frame (11) to the patient's upper arm, and the locking mechanism (4) being used for embedding the locking block (53) into the upper arm frame (11) to prevent it from detaching.

2. The splint mounting and fastening device for orthopedics according to claim 1, characterized in that, A plurality of vertically arranged arc-shaped sliding grooves (13) are formed inside the upper arm frame (11), first sliding columns (14) are slidably connected in the arc-shaped sliding grooves (13), and a first spring (15) is elastically connected between a side surface of the first sliding column (14) and an inner side surface of the arc-shaped sliding groove (13) close to a vertical side surface of the upper arm frame (11).

3. The splint installation and fastening device for orthopedics according to claim 2, wherein, A fixed end of the strap (52) is fixedly connected to an inner side surface of the arc-shaped sliding groove (13), a movable end of the strap (52) bypasses the first sliding column (14) and passes through a vertical side surface of the upper arm frame (11), and the locking buckle plate (51) is fixedly connected to the movable end of the strap (52).

4. The splint installation and fastening device for orthopedics according to claim 3, characterized in that, A plurality of magnet blocks (16) are fixedly connected to a vertical side surface of the upper arm frame (11), the magnet blocks (16) corresponding to the arc-shaped sliding grooves (13), the locking buckle plate (51) and the locking block (53) being ferromagnetic, and the locking buckle plate (51) being attracted to the magnet blocks (16).

5. An orthopedic splint mounting and fastening device according to claim 4, characterized in that, A vertical clamping plate groove (12) is formed on an inner side surface of the upper arm frame (11), a first sliding groove (17) reaching the locking mechanism (4) is formed on a top surface of the upper arm frame (11), a plurality of second sliding grooves (18) are formed on an inner side surface of the first sliding groove (17), and a first inclined surface (19) and a second inclined surface (110) are formed on an outer side surface of the upper arm frame (11) to communicate the second sliding grooves (18) with the outside.

6. The splint mounting and fastening device for orthopedics according to claim 5, characterized in that, A sponge column (35) is rotatably sleeved on the holding rod (34), a sliding shell (36) is slidably connected in the adjusting sliding groove (32), symmetric fixing plates (37) are fixedly connected to a bottom surface of the sliding shell (36), and the fixing plates (37) are slidably connected to an inner bottom surface of the adjusting sliding groove (32) so that the sliding shell (36) can only slide left and right in the adjusting sliding groove (32).

7. An orthopedic splint installation and fastening device according to claim 6, characterized in that, A sliding plate (39) is slidably connected inside the sliding shell (36). A second spring (38) is elastically connected between the sliding plate (39) and the inner bottom surface of the sliding shell (36). A chamfered inclined surface that slopes towards the inside is provided on the top surface of the sliding shell (36).

8. An orthopedic splint installation and fastening device according to claim 7, characterized in that, Third inclined surfaces (310) are provided around the top surface of the slider (33). The width of the slider (33) is smaller than the inner width of the sliding shell (36). The thickness of the slider (33) is smaller than the depth of the adjustment chute (32). Symmetric raised rings (311) are fixedly sleeved on the holding rod (34). The outer side surface of the raised ring (311) abuts against the side surface of the slider (33).

9. The splint mounting and fastening device for orthopedics according to claim 1, characterized in that, The locking mechanism (4) further includes a pressing rod (43) slidably sleeved in the first chute (17). The bottom end of the pressing rod (43) is fixedly connected to the top end of the movable part of the pressing lock (42). A plurality of first square plates (44) and second square plates (47) are fixedly sleeved on the pressing rod (43). Both the first square plate (44) and the second square plate (47) are slidably connected in the second chute (18). A rotating block (45) is hinged to the side surface of the first square plate (44) facing the first inclined surface (19). A torsion spring (46) is sleeved on the rotating shaft of the rotating block (45). The two ends of the torsion spring (46) are respectively fixedly connected to the rotating block (45) and the first square plate (44). By default, the rotating block (45) rotates outwards so that its outer side surface is not perpendicular. A top projection (48) is fixedly connected to the top surface of the second square plate (47).

10. An orthopedic splint installation and fastening device according to claim 9, characterized in that, A locking inclined surface (54) is provided on the top surface of the lock block (53). A notch (55) is provided on the bottom surface of the lock block (53). After the lock block (53) is inserted into the second chute (18) and the pressing rod (43) is pressed to lock the pressing lock (42), the rotating block (45) is inserted into the locking inclined surface (54).

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