External fixing device for humerus surgical neck fracture

Abstract

The invention relates to the technical field of neck fracture auxiliary fixing equipment, and discloses a humerus surgical neck fracture external fixing device which comprises a first bottom ring frame, an auxiliary ring frame is arranged at the top of the first bottom ring frame, a sliding rod is slidably connected to the inner wall of the auxiliary ring frame in a sleeving mode, and a threaded rod is fixedly assembled at the bottom of the sliding rod; a second bottom ring frame is in lap joint with the side face of the first bottom ring frame, an extension plate is slidably connected to the inner wall of the first bottom ring frame, a fixing frame is fixedly assembled on the side face of the extension plate, and rolling wheels are rotationally connected to the inner wall of the fixing frame. Through cooperative use of a fixing frame and a roller, the fixing frame assists in connection of an extension plate and the roller, so that the roller assists in movement of the extension plate in the inner wall of the first bottom ring frame and the inner wall of the second bottom ring frame, and a tension spring assists in butt joint of the outer edge of a positioning rod and the inner wall of a positioning groove. And then the first bottom ring frame, the second bottom ring frame and the extension plate are assisted in stable limiting, and the device is assisted in convenient adjustment.

Description

Technical Field

[0001] The invention relates to the technical field of neck fracture auxiliary fixation equipment, in particular to an external fixation device for surgical neck fracture of humerus. Background Art

[0002] Humeral surgical neck fracture is a fracture that occurs in the shoulder and proximal humerus, and is a type of proximal humeral fracture. The humerus is the thickest bone in the upper limb and is located in the upper arm. The upper end forms a shoulder joint with the scapula, and the lower end forms an elbow joint with the radius and ulna. In order to assist the rehabilitation of patients with humeral surgical neck fracture, an external fixation device for humeral surgical neck fracture is needed.

[0003] During use, a traditional external fixation device for surgical neck fracture of humerus utilizes a plurality of screws to assist in fixing an extension plate to the inner walls of bottom ring frame 1 and bottom ring frame 2, and utilizes nuts to assist in limiting the bottom ring frame 1 and bottom ring frame 2 at the outer edge of the threaded rod, thereby assisting in stably fixing the affected part of the patient with surgical neck fracture of humerus. However, during use, a traditional external fixation device for surgical neck fracture of humerus utilizes screws to limit the installation process, which is time-consuming and labor-intensive, thereby affecting the installation efficiency of the device, and during the process of using screws to assist in fixing the shoulder frame to the patient's shoulder, the shoulder is affected by the stress of the fixation equipment, which can easily cause discomfort to the patient. Summary of the invention

[0004] The present invention provides an external fixation device for surgical neck fracture of humerus to solve the problems raised by the above background technology.

[0005] The present invention provides the following technical solution: an external fixation device for surgical neck fracture of humerus, comprising a bottom ring frame one, an auxiliary ring frame is arranged on the top of the bottom ring frame one, a sliding rod is slidably sleeved on the inner wall of the auxiliary ring frame, a threaded rod is fixedly assembled on the bottom of the sliding rod, a bottom ring frame two is overlapped on the side of the bottom ring frame one, an extension plate is slidably connected to the inner wall of the bottom ring frame one, a fixing frame is fixedly assembled on the side of the extension plate, a roller is rotatably connected to the inner wall of the fixing frame, and the outer edge of the roller is rollingly connected to the inner wall of the bottom ring frame one, an arc-shaped groove is opened on the outer edge of the bottom ring frame one, an adjustment frame is slidably connected to the inner wall of the arc-shaped groove, and the side of the adjustment frame is fixedly assembled with the side of the fixing frame, a connecting rod is fixedly assembled on the top of the auxiliary ring frame, and a shoulder frame is fixedly assembled on the inner wall of the connecting rod.

[0006] As a preferred technical solution of the present invention, an airbag is fixedly installed on the side of the inner wall of the shoulder frame, an air supply cylinder is fixedly installed on the side of the shoulder frame, a rotating cylinder is rotatably sleeved on the inner wall of the air supply cylinder, and a through groove is opened on the outer edge of the rotating cylinder, and the inner wall of the air supply cylinder passes through the inner wall of the shoulder frame and is connected with the inner cavity of the airbag.

[0007] As a preferred technical solution of the present invention, a cylinder is fixedly assembled on the top of the air delivery cylinder, a spring 2 is fixedly connected to the bottom of the inner wall of the cylinder, a convex rod is fixedly connected to the top of the spring 2, and the outer edge of the convex rod is slidably connected to the inner wall of the cylinder.

[0008] As a preferred technical solution of the present invention, a rotating rod is fixedly mounted on the top of the rotating drum, and the shape and size of the inner wall of the bottom of the rotating rod are matched with the shape and size of the top of the convex rod.

[0009] As a preferred technical solution of the present invention, a spring 1 is fixedly connected to the side of the inner wall of the sliding rod, and an end of the spring 1 away from the inner wall of the sliding rod is fixedly connected to a limiting block, and the side of the limiting block is slidably connected to the inner wall of the sliding rod, the bottom of the limiting block overlaps the top of the bottom ring frame 1, and the outer edge of the threaded rod is threadedly connected with a nut.

[0010] As a preferred technical solution of the present invention, a tension spring is fixedly connected to the side of the inner wall of the fixing frame, and one end of the tension spring away from the inner wall of the fixing frame is fixedly connected to the side of the adjusting frame.

[0011] As a preferred technical solution of the present invention, a positioning rod is fixedly mounted on the side of the adjustment frame, a positioning groove is opened on the outer edge of the bottom ring frame, and the inner wall of the positioning groove is slidably connected with the outer edge of the positioning rod.

[0012] As a preferred technical solution of the present invention, the bottom of the shoulder frame is fixedly equipped with a connecting belt one, the inner wall of the connecting belt one is fixedly equipped with a Velcro belt one, the bottom of the shoulder frame is fixedly equipped with a connecting belt two, the inner wall of the connecting belt two is fixedly equipped with a Velcro belt two, and the top of the Velcro belt two is adhered to the bottom of the Velcro belt one.

[0013] As a preferred technical solution of the present invention, the connection structure inside the bottom ring frame 2 is completely consistent with the connection structure inside the bottom ring frame 1, and the bottom ring frame 1 and the bottom ring frame 2 are connected by screws, the number of the auxiliary ring frames is two, and the connection structure of the two auxiliary ring frames is completely consistent with the connection structure of the bottom ring frame 1 and the bottom ring frame 2.

[0014] As a preferred technical solution of the present invention, there are two air delivery cylinders, and the two air delivery cylinders are fixedly assembled to the two sides of the shoulder frame respectively, and the internal connection structures of the two air delivery cylinders are completely consistent.

[0015] The present invention has the following beneficial effects:

[0016] 1. The humeral surgical neck fracture external fixation device, through the coordinated use of a fixing frame and a roller, utilizes the fixing frame to assist the extension plate and the roller to be connected, thereby utilizing the roller to assist the extension plate to move in the inner wall of the bottom ring frame one and the inner wall of the bottom ring frame two, and utilizes a tension spring to assist the outer edge of the positioning rod to dock with the inner wall of the positioning groove, thereby assisting the bottom ring frame one and the bottom ring frame two and the extension plate to be stably limited, thereby facilitating the convenient adjustment of the auxiliary device.

[0017] 2. The external fixation device for surgical neck fracture of the humerus uses a limit block and a slide rod in combination, uses a spring 1 to push the limit block in the inner wall of the slide rod, and then uses the limit block to push the top of the bottom ring frame 1 for auxiliary limiting, and uses a nut to further assist the bottom ring frame 1 in limiting, thereby facilitating the installation of the auxiliary device.

[0018] 3. The external fixation device for surgical neck fracture of the humerus, through the coordinated use of a rotating cylinder and a rotating rod, rotates the rotating rod at the top of the air supply cylinder, so that the rotating cylinder is driven to rotate by the rotating rod, and then the through groove is driven to move by the rotating cylinder, so as to assist the inner wall of the rotating cylinder to dock with the inner wall of the through groove, and then assist the external docking air supply device of the air supply cylinder to stably supply air to the inner cavity of the airbag, and then rotates the rotating rod to assist the airbag to stably clamp the patient's affected part, thereby clamping the patient's affected part and making the patient more comfortable to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 This is a schematic diagram of a side cross-sectional structure of the bottom ring frame of the present invention;

[0021] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the front cross-section structure of the slide bar of the present invention;

[0023] Figure 5 For the present invention Figure 4 The enlarged structural diagram at B in the middle;

[0024] Figure 6 This is a schematic diagram of the front cross-section structure of the air delivery cylinder of the present invention;

[0025] Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle;

[0026] Figure 8 It is a schematic diagram of the airbag structure of the present invention;

[0027] Fig. 9 This is a schematic diagram of the internal structure of the bottom ring frame of the present invention;

[0028] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at D in the middle.

[0029] In the figure: 1. Bottom ring frame 1; 2. Auxiliary ring frame; 3. Sliding rod; 4. Threaded rod; 5. Bottom ring frame 2; 6. Extension plate; 7. Fixed frame; 8. Roller; 9. Adjustment frame; 10. Positioning groove; 11. Positioning rod; 12. Spring 1; 13. Limit block; 14. Nut; 15. Connecting rod; 16. Shoulder frame; 17. Air delivery cylinder; 18. Rotating cylinder; 19. Cylinder; 20. Spring 2; 21. Protruding rod; 22. Rotating rod; 23. Through groove; 24. Connecting belt 2; 25. Connecting belt 1; 26. Velcro belt 1; 27. Velcro belt 2; 28. Air bag; 29. ​​Arc groove; 30. Tension spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 10 A humeral surgical neck fracture external fixation device comprises a bottom ring frame 1, an auxiliary ring frame 2 is arranged on the top of the bottom ring frame 1, a sliding rod 3 is slidably sleeved on the inner wall of the auxiliary ring frame 2, a threaded rod 4 is fixedly assembled on the bottom of the sliding rod 3, a bottom ring frame 5 is overlapped on the side of the bottom ring frame 1, an extension plate 6 is slidably connected to the inner wall of the bottom ring frame 1, a fixing frame 7 is fixedly assembled on the side of the extension plate 6, a roller 8 is rotatably connected to the inner wall of the fixing frame 7, and the outer edge of the roller 8 is rollingly connected to the inner wall of the bottom ring frame 1, an arc groove 29 is opened on the outer edge of the bottom ring frame 1, and the arc groove 29 The inner wall is slidably connected with an adjusting frame 9, and the side of the adjusting frame 9 is fixedly assembled with the side of the fixing frame 7, the top of the auxiliary ring frame 2 is fixedly assembled with a connecting rod 15, and the inner wall of the connecting rod 15 is fixedly assembled with a shoulder frame 16. By the coordinated use of the roller 8 and the fixing frame 7, the roller 8 is used to roll in the inner wall of the bottom ring frame 1, so that the roller 8 is used to assist the extension plate 6 in position adjustment, and by the coordinated use of the arc groove 29 and the adjusting frame 9, the side of the adjusting frame 9 is used to slide in the inner wall of the arc groove 29, and then the adjusting frame 9 drives the fixing frame 7 to adjust its position.

[0032] In a preferred embodiment, an airbag 28 is fixedly mounted on the side of the inner wall of the shoulder frame 16, and an air delivery cylinder 17 is fixedly mounted on the side of the shoulder frame 16. A rotating cylinder 18 is rotatably sleeved on the inner wall of the air delivery cylinder 17, and a through groove 23 is provided on the outer edge of the rotating cylinder 18. The inner wall of the air delivery cylinder 17 passes through the inner wall of the shoulder frame 16 and is connected with the inner cavity of the airbag 28. By using the air delivery cylinder 17 and the airbag 28 in coordination, the air delivery cylinder 17 is used to deliver air to the inner cavity of the airbag 28, and then the airbag 28 is used to assist in limiting the affected part of the patient.

[0033] In a preferred embodiment, a cylinder 19 is fixedly assembled on the top of the air delivery cylinder 17, a spring 20 is fixedly connected to the bottom of the inner wall of the cylinder 19, a protruding rod 21 is fixedly connected to the top of the spring 20, and the outer edge of the protruding rod 21 is slidably sleeved with the inner wall of the cylinder 19, and the protruding rod 21 is pushed by the spring 20 and the inner wall of the cylinder 19, and then the outer edge of the protruding rod 21 is used to dock and limit the inner wall of the rotating rod 22.

[0034] In a preferred embodiment, a rotating rod 22 is fixedly installed on the top of the rotating drum 18, and the shape and size of the inner wall at the bottom of the rotating rod 22 are adapted to the shape and size of the top of the convex rod 21. By adding the rotating rod 22, the rotating drum 18 can be driven by the rotating rod 22 to adjust the installation position in the inner wall of the air supply cylinder 17, and the top of the convex rod 21 and the inner wall at the bottom of the rotating rod 22 are used for limiting, thereby assisting the rotating rod 22 to be stably positioned.

[0035] In a preferred embodiment, a spring 12 is fixedly connected to the side of the inner wall of the slide rod 3, and one end of the spring 12 away from the inner wall of the slide rod 3 is fixedly connected to a limit block 13, and the side of the limit block 13 is slidably connected to the inner wall of the slide rod 3, the bottom of the limit block 13 overlaps the top of the bottom ring frame 1, and the outer edge of the threaded rod 4 is threadedly connected with a nut 14. Through the coordinated use of the spring 12 and the limit block 13, the spring 12 is used to push the limit block 13 in the inner wall of the slide rod 3, so that the limit block 13 and the nut 14 are used to clamp and limit the bottom ring frame 1.

[0036] In a preferred embodiment, a tension spring 30 is fixedly connected to the side of the inner wall of the fixing frame 7, and one end of the tension spring 30 away from the inner wall of the fixing frame 7 is fixedly connected to the side of the adjusting frame 9. By using the tension spring 30 in conjunction with the adjusting frame 9, the tension spring 30 is used to assist in limiting the adjusting frame 9 in the inner wall of the fixing frame 7, and then the adjusting frame 9 is used to drive the positioning rod 11 to adjust its position.

[0037] In a preferred embodiment, a positioning rod 11 is fixedly installed on the side of the adjustment frame 9, a positioning groove 10 is opened on the outer edge of the bottom ring frame 1, and the inner wall of the positioning groove 10 is slidably connected with the outer edge of the positioning rod 11. Through the coordinated use of the positioning rod 11 and the positioning groove 10, the number of positioning grooves 10 is several, and the outer edge of the positioning rod 11 is connected with the inner wall of the positioning groove 10 at different positions, thereby assisting the positioning rod 11 to drive the extension plate 6 to limit the position.

[0038] In a preferred embodiment, the bottom of the shoulder frame 16 is fixedly equipped with a connecting strap 25, the inner wall of the connecting strap 25 is fixedly equipped with a Velcro strap 26, the bottom of the shoulder frame 16 is fixedly equipped with a connecting strap 24, the inner wall of the connecting strap 24 is fixedly equipped with a Velcro strap 27, and the top of the Velcro strap 27 is adhered to the bottom of the Velcro strap 1 26. By using the connecting strap 1 25 and the connecting strap 2 24 in coordination, the top of the Velcro strap 27 is adhered to the bottom of the Velcro strap 1 26, thereby assisting the connecting strap 1 25 and the connecting strap 2 24 to drive the shoulder frame 16 to be stably erected.

[0039] In a preferred embodiment, the connection structure inside the bottom ring frame 25 is completely consistent with the connection structure inside the bottom ring frame 1, and the bottom ring frame 1 and the bottom ring frame 25 are connected by screws. The number of auxiliary ring frames 2 is two, and the connection structure of the two auxiliary ring frames 2 is completely consistent with the connection structure of the bottom ring frame 1 and the bottom ring frame 25. The bottom ring frame 1 and the bottom ring frame 25 are connected by screws, so that the bottom ring frame 1 and the bottom ring frame 25 are used to clamp and limit the patient's arm, and the two auxiliary ring frames 2 are used to cooperate with the bottom ring frame 1 and the bottom ring frame 25 and the shoulder frame 16 for installation, thereby assisting the device to be stably erected.

[0040] In a preferred embodiment, there are two air cylinders 17, and the two air cylinders 17 are fixedly assembled on both sides of the shoulder frame 16 respectively. The internal connection structures of the two air cylinders 17 are completely consistent. By adding two air cylinders 17, the two air cylinders 17 are used to supply air to the inside of the air bags 28 on the inner walls of both sides of the shoulder frame 16, and then the air bags 28 are used to clamp the patient's shoulders.

[0041] Working principle: when the device is in use, the fixing frame 7 is used to assist the extension plate 6 and the roller 8 to connect, so that the roller 8 is used to assist the extension plate 6 to move in the inner wall of the bottom ring frame 1 and the inner wall of the bottom ring frame 2 5, and the tension spring 30 is used to assist the outer edge of the positioning rod 11 to dock with the inner wall of the positioning groove, thereby assisting the bottom ring frame 1 and the bottom ring frame 2 5 and the extension plate 6 to stabilize the position, thereby assisting the convenient adjustment of the auxiliary device, and using the spring 12 to push the limit block 13 in the inner wall of the slide rod 3, and then using the limit block 13 to push the top of the bottom ring frame 1 for auxiliary limit, and using The nut 14 is used to further assist the bottom ring frame 1 to limit the position, so as to facilitate the installation of the auxiliary device. The rotating rod 22 is rotated at the top of the air supply cylinder 17, so as to drive the rotating cylinder 18 to rotate by using the rotating rod 22, and then drive the through groove 23 to move by using the rotating cylinder 18, so as to assist the inner wall of the rotating cylinder 18 to dock with the inner wall of the through groove 23, and then assist the external docking air supply device of the air supply cylinder 17 to stably supply air to the inner cavity of the air bag 28, and then rotate the rotating rod 22 to assist the air bag 28 to stably clamp the patient's affected part, so as to clamp the patient's affected part and make the patient more comfortable to use.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] 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. A humeral surgical neck fracture external fixation device, comprising a bottom ring frame (1), Features: The top of the bottom ring frame (1) is provided with an auxiliary ring frame (2), the inner wall of the auxiliary ring frame (2) is slidably sleeved with a slide rod (3), the bottom of the slide rod (3) is fixedly equipped with a threaded rod (4), the side of the bottom ring frame (1) is overlapped with a bottom ring frame (5), the inner wall of the bottom ring frame (1) is slidably connected with an extension plate (6), the side of the extension plate (6) is fixedly equipped with a fixing frame (7), and the inner wall of the fixing frame (7) is rotatably connected A roller (8) is provided, and the outer edge of the roller (8) is rollingly connected to the inner wall of the bottom ring frame (1); the outer edge of the bottom ring frame (1) is provided with an arc groove (29); the inner wall of the arc groove (29) is slidably connected to an adjustment frame (9); and the side of the adjustment frame (9) is fixedly assembled with the side of the fixing frame (7); the top of the auxiliary ring frame (2) is fixedly assembled with a connecting rod (15); and the inner wall of the connecting rod (15) is fixedly assembled with a shoulder frame (16).

2. The external fixation device for surgical neck fracture of humerus according to claim 1, Features: An air bag (28) is fixedly mounted on the side of the inner wall of the shoulder frame (16), and an air supply cylinder (17) is fixedly mounted on the side of the shoulder frame (16). A rotating cylinder (18) is rotatably sleeved on the inner wall of the air supply cylinder (17), and a through groove (23) is provided on the outer edge of the rotating cylinder (18). The inner wall of the air supply cylinder (17) passes through the inner wall of the shoulder frame (16) and is connected to the inner cavity of the air bag (28).

3. The external fixation device for surgical neck fracture of humerus according to claim 2, Features: A cylinder (19) is fixedly mounted on the top of the air delivery cylinder (17), a spring (20) is fixedly connected to the bottom of the inner wall of the cylinder (19), a convex rod (21) is fixedly connected to the top of the spring (20), and the outer edge of the convex rod (21) is slidably sleeved with the inner wall of the cylinder (19).

4. The external fixation device for surgical neck fracture of humerus according to claim 2, Features: A rotating rod (22) is fixedly mounted on the top of the rotating drum (18), and the shape and size of the inner wall at the bottom of the rotating rod (22) are matched with the shape and size of the top of the protruding rod (21).

5. The external fixation device for surgical neck fracture of humerus according to claim 1, Features: A spring (12) is fixedly connected to the side of the inner wall of the slide rod (3), and one end of the spring (12) away from the inner wall of the slide rod (3) is fixedly connected to a limit block (13), and the side of the limit block (13) is slidably connected to the inner wall of the slide rod (3), the bottom of the limit block (13) overlaps the top of the bottom ring frame (1), and the outer edge of the threaded rod (4) is threadedly connected to a nut (14).

6. The external fixation device for surgical neck fracture of humerus according to claim 1, Features: A tension spring (30) is fixedly connected to the side of the inner wall of the fixing frame (7), and one end of the tension spring (30) away from the inner wall of the fixing frame (7) is fixedly connected to the side of the adjustment frame (9).

7. The external fixation device for surgical neck fracture of humerus according to claim 1, Features: A positioning rod (11) is fixedly mounted on the side of the adjustment frame (9), a positioning groove (10) is provided on the outer edge of the bottom ring frame (1), and the inner wall of the positioning groove (10) is slidably sleeved with the outer edge of the positioning rod (11).

8. The external fixation device for surgical neck fracture of humerus according to claim 1, Features: The bottom of the shoulder frame (16) is fixedly equipped with a connecting belt (25), the inner wall of the connecting belt (25) is fixedly equipped with a Velcro belt (26), the bottom of the shoulder frame (16) is fixedly equipped with a connecting belt (24), the inner wall of the connecting belt (24) is fixedly equipped with a Velcro belt (27), and the top of the Velcro belt (27) is adhered to the bottom of the Velcro belt (26).

9. The external fixation device for surgical neck fracture of humerus according to claim 1, Features: The connection structure inside the bottom ring frame 2 (5) is completely consistent with the connection structure inside the bottom ring frame 1 (1), and the bottom ring frame 1 (1) and the bottom ring frame 2 (5) are connected by screws. The number of the auxiliary ring frames (2) is two, and the connection structure of the two auxiliary ring frames (2) is completely consistent with the connection structure of the bottom ring frame 1 (1) and the bottom ring frame 2 (5).

10. The external fixation device for surgical neck fracture of humerus according to claim 2, Features: The number of the air supply cylinders (17) is two, and the two air supply cylinders (17) are respectively fixedly assembled on the two sides of the shoulder frame (16), and the internal connection structures of the two air supply cylinders (17) are completely consistent.

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