Humerus fracture fixing device

By adopting a combination of suspension strap and waist belt in the humeral fracture fixing device, the lumbar support frame and adjustable support rod structure, the neck discomfort caused by suspension traction in the prior art is solved, and the comfort of patients is improved. Treatment effect.

CN222285717UActive Publication Date: 2025-01-03ZHEJIANG UNIV
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Patent Information

Application Number
CN202420516278.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-15
Publication Date
2025-01-03
Estimated Expiration
2034-03-15

AI Technical Summary

Technical Problem

Existing humeral fracture fixtures are traction around the neck through a suspender, which may cause neck discomfort, stiffness and pain. Prolonged use may damage the cervical spine and neck muscle tissue, affecting the patient's daily activities and comfort.

Method used

A humeral fracture fixing device is designed, using a suspension strap body and a waist belt to support the suspension strap body through a lumbar support frame and support rod to avoid neck fatigue, and the support height and angle can be adjusted through screws and adjustment structures to adapt to different Crowd use.

Benefits of technology

The device stabilizes the center of gravity through the lumbar support frame structure, and the support force is more uniform, avoids neck pressure, improves the patient's comfort and treatment effect, reduces neck damage, and enhances the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a humerus fracture fixing device, and relates to the technical field of medical equipment. The humerus fracture fixing device comprises a suspender main body, a supporting block is fixedly connected to the bottom end of the outer surface of the suspender main body, a rotating groove is formed in the bottom of the supporting block, a supporting frame is rotatably connected to the interior of the rotating groove, a supporting rod is slidably connected to the interior of the supporting frame, and a positioning bolt is installed on the outer surface of the supporting frame in a threaded mode. According to the utility model, the suspender main body is combined with the waistband, so that when the suspender is used, the suspender main body can be supported by the waistband, the support frame and the support rod by taking the waist as a fulcrum, and the defect of neck fatigue caused by a traditional hanging mode is avoided; the waist supporting frame structure is arranged, so that the gravity center is stable, the supporting force is more uniform, shoulder blades are prevented from extruding trachea and neck nerves, meanwhile, a patient can feel more comfortable, and the treatment effect of humerus fracture is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a humeral fracture fixing device. Background Art

[0002] Humeral fracture fixation device is a surgical treatment method used to treat humeral fractures. It usually consists of an external brace and a fixation strap. The fracture site is fixed through the external brace to promote fracture healing. This device can help relieve pain, stabilize the fracture, and allow patients to perform appropriate activities and rehabilitation training, which helps to restore the function of the humerus after injury.

[0003] After searching, the patent number is CN216417453U, and the specific name is a humeral shaft fracture fixation device, which includes an upper arm fixation mechanism and an anti-rotation splint. The anti-rotation splint is installed in an L shape on the upper arm and forearm, and an anti-rotation column is provided at the distal end near the fingers. After the anti-rotation splint is installed, the elbow joint is suspended at a right angle in front of the chest, the palm of the hand is facing the chest, and the fingers hold the anti-rotation column, so that the wrist joint cannot rotate at will, which plays a role in preventing the rotation and displacement of the fracture. At the same time, the fingers can also achieve grip training, which can achieve functional exercise while fixing the fracture, which is beneficial to the patient's fracture healing and functional recovery;

[0004] When the humeral shaft fracture fixation device in the comparative document and the prior art is used, after the device is fixed to the limb, it is necessary to use a sling to wrap around the neck to pull the entire device. Wrapping the sling around the neck to pull the entire device will put pressure on the patient's neck, which may cause neck discomfort, stiffness and pain, and long-term traction may cause damage to the cervical spine and neck muscle tissue. In addition, this fixation method may also affect the patient's daily activities and comfort, causing trouble to the patient. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a humeral fracture fixation device, which solves the problem that when the prior art humeral shaft fracture fixation device is used, the device is wrapped around the neck with a sling to pull the entire device, which puts pressure on the patient's neck and may cause neck discomfort, stiffness and pain, and long-term traction may cause damage to the cervical spine and neck muscle tissue. In addition, this fixation method may also affect the patient's daily activities and comfort, causing trouble to the patient.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a humeral fracture fixing device, including a sling belt body, a support block is fixedly connected to the bottom end of the outer surface of the sling belt body, a rotation groove is provided at the bottom of the support block, a support frame is rotatably connected inside the rotation groove, a support rod is slidably connected inside the support frame, a positioning bolt is threadedly installed on the outer surface of the support frame, a rotating block is fixedly connected to the end of the support rod, a positioning plate is fixedly connected to the side of the rotating block, a rotating shaft is fixedly connected through the inner center of the rotating block, a fixed block is connected to the outer surface of the rotating shaft, an adjustment groove is provided on the surface of the fixed block, a threaded hole is provided on the front surface of the fixed block, a belt is fitted and connected to the surface of the threaded hole, a screw is threadedly fixedly connected to the surface of the belt, an adjusting bolt is threadedly installed on the top of the fixed block, a sliding plate is slidably connected to the inside of the fixed block, a sliding block is fixedly connected to the surface of the sliding plate, a resist is fixedly connected to the surface of the sliding block away from the sliding plate, a positioning groove is provided inside the sliding block, and a tension spring is abutted against the surface of the sliding plate.

[0007] Preferably, a gasket is movably sleeved on the outer surface of the screw, the surface of the gasket rests on the surface of the belt, and the top end of the screw is conical.

[0008] Preferably, the outer surface of the screw passes through the inside of the belt, and the tip of the screw is inserted into the inside of the threaded hole, and the outer surface of the screw is threadedly connected to the inside of the threaded hole.

[0009] Preferably, the outer surface of the rotating shaft is rotatably connected to the inside of the fixed block, and the outer surface of the rotating block is rotatably connected to the inside of the adjusting groove.

[0010] Preferably, the opposing surfaces of the positioning plate and the stop block are provided with protrusions at equal distances, and the surface of the stop block abuts against the surface of the positioning plate.

[0011] Preferably, the positioning groove is trapezoidal, the end of the adjusting bolt is hemispherical, and the end surface of the adjusting bolt abuts against the inner wall of the positioning groove.

[0012] Preferably, the outer surface of the sliding block is movably connected to the inside of the fixed block, and the surface of the sliding block away from the sliding plate extends to the inside of the adjustment groove.

[0013] Preferably, the support rod is circular, and one end of the positioning bolt close to the support rod abuts against the outer surface of the support rod.

[0014] Beneficial Effects

[0015] The utility model provides a humeral fracture fixation device. Compared with the prior art, it has the following beneficial effects:

[0016] 1. The humeral fracture fixation device combines a sling main body with a waist belt. When in use, the sling main body can be supported by the waist as a fulcrum through the waist belt, the support frame and the support rod, thereby avoiding the disadvantage of neck fatigue caused by the traditional hanging method. The waist support frame structure can stabilize the center of gravity and make the supporting force more uniform, thereby avoiding the scapula from squeezing the trachea and cervical nerves. At the same time, it can also make the patient more comfortable and improve the treatment effect of humeral fracture.

[0017] 2. The humeral fracture fixation device can be assembled with any belt by setting screws, and the support height and angle of the sling main body can be adjusted by setting the telescopic structure of the support rod and the rotating structure of the rotating block, so that the sling main body can be adapted to different groups of people, thereby improving the comfort of patients and enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the connection between the rotating block and the fixed block in the utility model;

[0020] Figure 3 This is a schematic diagram of the connection between the rotating block and the positioning disk in the utility model;

[0021] Figure 4 This is a schematic diagram of the connection between the adjusting bolt and the sliding block in the utility model;

[0022] Figure 5 It is a schematic diagram of the connection between the screw and the washer in the utility model.

[0023] In the figure: 1. Suspension belt body; 2. Support block; 3. Rotating groove; 4. Support frame; 5. Support rod; 6. Positioning bolt; 7. Rotating block; 8. Positioning plate; 9. Rotating shaft; 10. Fixed block; 11. Adjusting groove; 12. Threaded hole; 13. Belt; 14. Screw; 141. Washer ring; 15. Adjusting bolt; 16. Sliding block; 17. Resistance block; 18. Positioning groove; 19. Sliding plate; 20. Tension spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: a humeral fracture fixation device, comprising a sling main body 1, a support block 2 is fixedly connected to the bottom end of the outer surface of the sling main body 1, a rotation groove 3 is opened at the bottom of the support block 2, a support frame 4 is rotatably connected inside the rotation groove 3, a support rod 5 is slidably connected inside the support frame 4, a positioning bolt 6 is threadedly installed on the outer surface of the support frame 4, the support rod 5 is circular, one end of the positioning bolt 6 close to the support rod 5 abuts against the outer surface of the support rod 5, and a rotating block 7 is fixedly connected to the end of the support rod 5. By arranging the telescopic structure of the support rod 5 and the rotating structure of the rotating block 7, the support height and angle of the sling main body 1 can be adjusted, so that the sling main body 1 can be adapted to different groups of people, thereby improving the comfort of patients and enhancing practicality.

[0026] A positioning plate 8 is fixedly connected to the side of the rotating block 7, a rotating shaft 9 is fixedly connected through the inner center of the rotating block 7, a fixed block 10 is connected to the outer surface of the rotating shaft 9, the outer surface of the rotating shaft 9 is rotatably connected to the inside of the fixed block 10, an adjusting groove 11 is provided on the surface of the fixed block 10, the outer surface of the rotating block 7 is rotatably connected to the inside of the adjusting groove 11, a threaded hole 12 is provided on the front surface of the fixed block 10, a belt 13 is fitted and connected to the surface of the threaded hole 12, a screw 14 is threadedly fixedly connected to the surface of the belt 13, an adjusting bolt 15 is threadedly installed on the top of the fixed block 10, a sliding plate 19 is slidably connected to the inside of the fixed block 10, a sliding block 16 is fixedly connected to the surface of the sliding plate 19, the sliding block 16 extends away from the surface of the sliding plate 19 to the inside of the adjusting groove 11, the outer surface of the sliding block 16 is movably connected to the inside of the fixed block 10, and the sliding block 16 is away from the sliding plate The surface of 19 is fixedly connected with a stop block 17, and the opposite surfaces of the positioning plate 8 and the stop block 17 are equidistantly provided with protrusions, the surface of the stop block 17 abuts against the surface of the positioning plate 8, and a positioning groove 18 is provided inside the sliding block 16. The end of the adjusting bolt 15 is hemispherical, and the end surface of the adjusting bolt 15 abuts against the inner wall of the positioning groove 18, and the positioning groove 18 is trapezoidal, and the surface of the sliding plate 19 abuts against a tension spring 20. By combining the sling main body 1 with the waist belt 13, when in use, the sling main body 1 can be supported by the waist belt 13, the support frame 4 and the support rod 5 with the waist as the fulcrum, thereby avoiding the disadvantage of neck fatigue caused by the traditional hanging method, and setting a waist support frame structure can make the center of gravity stable, the support force more uniform, avoid the scapula squeezing the trachea and cervical nerves, and at the same time make the patient more comfortable, and improve the treatment effect of humeral fracture;

[0027] The outer surface of the screw 14 is movably sleeved with a gasket 141, the surface of the gasket 141 abuts against the surface of the belt 13, the top of the screw 14 is conical, the outer surface of the screw 14 passes through the inside of the belt 13, and the tip of the screw 14 is inserted into the inside of the threaded hole 12, and the outer surface of the screw 14 is threadedly connected to the inside of the threaded hole 12. By setting the screw 14, the fixing structure can be assembled with any belt 13 for use, and.

[0028] When in use, wear the waist belt 13 around the waist and fix it, then fix the suspension belt body 1 on the arm, and then adjust the height of the suspension belt body 1. When adjusting the height, the suspension belt body 1 will drive the support frame 4 to slide on the outer surface of the support rod 5 through the support block 2. After adjusting to a suitable height, the sliding between the support rod 5 and the support frame 4 is positioned by tightening the positioning bolt 6, and then the angle of the suspension belt body 1 is adjusted according to actual conditions. When adjusting the angle, the top of the support frame 4 will rotate relatively in the rotating groove 3 by rotating the suspension belt body 1, and the rotating block 7 will also rotate in the adjusting groove 11. After adjusting to a suitable angle, the adjusting bolt 15 is rotated. Due to the gap between the end of the adjusting bolt 15 and the inner wall of the positioning groove 18 The friction between them drives the sliding block 16 and the butt block 17 to slide in the direction close to the positioning plate 8. When the surface of the butt block 17 abuts against the surface of the positioning plate 8, there is no friction between the butt block 17 and the positioning plate 8, and the rotation angle of the rotating block 7 is positioned. At this time, the angle of the suspension belt body 1 is fixed. By combining the suspension belt body 1 with the waist belt 13, when in use, the suspension belt body 1 can be supported by the waist belt 13, the support frame 4 and the support rod 5 with the waist as the fulcrum to support the suspension belt body 1, thereby avoiding the disadvantage of neck fatigue caused by traditional hanging methods. Setting a waist support frame structure can stabilize the center of gravity and make the supporting force more uniform, thereby avoiding the scapula squeezing the trachea and cervical nerves. At the same time, it can also make the patient more comfortable and improve the treatment effect of humeral fracture.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A humeral fracture fixation device, comprising a sling body (1), characterized in that: The bottom end of the outer surface of the suspension belt body (1) is fixedly connected to a support block (2), a rotation groove (3) is provided at the bottom of the support block (2), the interior of the rotation groove (3) is rotationally connected to a support frame (4), the interior of the support frame (4) is slidably connected to a support rod (5), the outer surface of the support frame (4) is threadedly mounted with a positioning bolt (6), the end of the support rod (5) is fixedly connected to a rotation block (7), the side of the rotation block (7) is fixedly connected to a positioning plate (8), a rotation shaft (9) is fixedly connected through the inner center of the rotation block (7), the outer surface of the rotation shaft (9) is connected to a fixed block (10), and the surface of the fixed block (10) is provided with an adjustment groove ( 11), a threaded hole (12) is provided on the front surface of the fixing block (10), a belt (13) is fitted and connected to the surface of the threaded hole (12), a screw (14) is threadedly fixedly connected to the surface of the belt (13), an adjusting bolt (15) is threadedly installed on the top of the fixing block (10), a sliding plate (19) is slidably connected to the inside of the fixing block (10), a sliding block (16) is fixedly connected to the surface of the sliding plate (19), a resisting block (17) is fixedly connected to the surface of the sliding block (16) away from the sliding plate (19), a positioning groove (18) is provided inside the sliding block (16), and a tension spring (20) is abutted against the surface of the sliding plate (19).

2. A humeral fracture fixation device according to claim 1, characterized in that: A gasket (141) is movably sleeved on the outer surface of the screw (14), the surface of the gasket (141) abuts against the surface of the belt (13), and the top end of the screw (14) is conical.

3. A humeral fracture fixation device according to claim 1, characterized in that: The outer surface of the screw (14) passes through the inside of the belt (13), and the tip of the screw (14) is inserted into the inside of the threaded hole (12), and the outer surface of the screw (14) is threadedly connected to the inside of the threaded hole (12).

4. The humeral fracture fixation device according to claim 1, characterized in that: The outer surface of the rotating shaft (9) is rotatably connected to the interior of the fixed block (10), and the outer surface of the rotating block (7) is rotatably connected to the interior of the adjusting groove (11).

5. The humeral fracture fixation device according to claim 1, characterized in that: The opposing surfaces of the positioning plate (8) and the stop block (17) are provided with protrusions at equal distances, and the surface of the stop block (17) abuts against the surface of the positioning plate (8).

6. A humeral fracture fixation device according to claim 1, characterized in that: The positioning groove (18) is trapezoidal, the end of the adjusting bolt (15) is hemispherical, and the end surface of the adjusting bolt (15) abuts against the inner wall of the positioning groove (18).

7. The humeral fracture fixation device according to claim 1, characterized in that: The outer surface of the sliding block (16) is movably connected to the interior of the fixed block (10), and the surface of the sliding block (16) away from the sliding plate (19) extends to the interior of the adjustment groove (11).

8. The humeral fracture fixation device according to claim 1, characterized in that: The support rod (5) is circular, and one end of the positioning bolt (6) close to the support rod (5) abuts against the outer surface of the support rod (5).