Multi-segment spine reduction external fixator

Abstract

The utility model relates to the technical field of fixators, and discloses a multi-segment spine reduction external fixator which comprises a shell, a connecting rod is movably connected to one side of the shell in an inserted mode, an anti-falling plate is fixedly connected to the surface of the connecting rod in a sleeved mode, and one end of the connecting rod is fixedly connected with a top plate. And a spring is jointly connected between the anti-falling plate and the inner side wall of the shell, a fixing barrel is fixedly connected to one side of the shell, a first bolt is in threaded connection with the surface of the fixing barrel, and the first bolt abuts against the surface of the connecting rod in the locking state. According to the multi-section spine reduction external fixator, through the arrangement of a top plate, a spring, a first bolt and a fixing cylinder, when the multi-section spine reduction external fixator is used, the top plate makes contact with the spine of a patient, the top plate is more attached to the spine of the patient through the spring, then the first bolt is locked, the first bolt abuts against a connecting rod, and therefore the fixing effect is achieved; the spine of the patient is sufficiently supported, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixators, in particular to a multi-segment spinal reduction external fixator. Background Art

[0002] Spine surgery is a medical specialty that focuses on treating diseases, injuries and deformities related to the spine. The spine is one of the most important pillars of the human body and is composed of vertebrae, intervertebral discs, intervertebral joints, and surrounding muscles, ligaments and nerve tissues. Spine surgeons diagnose, treat and manage spinal problems through surgical and non-surgical methods, aiming to restore patients' spinal function and improve their quality of life. Patients are usually given a fixator to facilitate their recovery after surgery.

[0003] However, the existing multi-segment spinal reduction external fixators have the following disadvantages:

[0004] (1) The spinal reduction external fixator is difficult to fit the patient's spine, which makes it difficult for the fixator to stably provide sufficient support to the patient's spine, reducing the practicality of the device;

[0005] (2) The structure of the spinal reduction external fixator is simple, which makes it difficult to add or reduce the fixator according to the degree of spinal damage of different patients, thus reducing the flexibility of the device.

[0006] Therefore, the utility model provides a multi-segment spinal reduction external fixator. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The technical problem solved by the utility model is to provide a multi-segment spinal correction external fixator which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problem that the spinal correction external fixator proposed in the above background technology is difficult to fit the patient's spine.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multi-segment spinal reduction external fixator, comprising a shell, a connecting rod movably inserted into one side of the shell, an anti-drop plate fixedly sleeved on the surface of the connecting rod, a top plate fixedly connected to one end of the connecting rod, a spring commonly connected between the anti-drop plate and the inner wall of the shell, a fixing tube fixedly connected to one side of the shell, a first bolt threadedly connected to the surface of the fixing tube, the first bolt conflicts with the surface of the connecting rod in a locked state, a slider fixedly connected to the top of the shell, a slide groove is provided at the bottom of the shell, and the slide groove is adapted to the slider.

[0011] Optionally, a first strap and a second strap are respectively fixedly connected to the surface of the shell, and the surfaces of the first strap and the second strap are respectively provided with a Velcro sub-surface and a Velcro main surface, so as to facilitate wearing by the patient.

[0012] Optionally, a rubber block is fixedly connected to one side of the top plate, and the rubber block is arranged in an arc shape to improve the comfort of the patient.

[0013] Optionally, a threaded hole is provided on the other side of the housing, and a second bolt is threadedly connected to the threaded hole, thereby achieving an effect of locking the slider.

[0014] Optionally, the other end of the connecting rod is movably inserted into a limiting column, and one end of the limiting column is fixedly connected to the inner wall of the shell, so that the connecting rod is more stable during movement.

[0015] Optionally, two cross bars are movably penetrated through the surface of the anti-slip plate, and the two cross bars are symmetrically arranged, so that the anti-slip plate is not easy to shake when moving.

[0016] (III) Beneficial effects

[0017] The utility model provides a multi-segment spinal reduction external fixator, which has the following beneficial effects:

[0018] 1. The multi-segment spinal reduction external fixator is provided with a top plate, a spring, a first bolt and a fixing tube. When in use, the top plate is brought into contact with the patient's spine. The spring makes the top plate fit more closely to the patient's spine. Then, the first bolt is tightened so that the first bolt contacts the connecting rod, thereby achieving a fixing effect, providing sufficient support for the patient's spine and improving the practicability of the device.

[0019] 2. The multi-segment spinal reduction external fixator, through the setting of the slider and the slide groove, allows the patient to add the fixator by inserting the slider into the interior through the slide groove, thereby completing the addition, making the device suitable for patients with different degrees of spinal damage, thereby improving the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the fixed cylinder structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the shell of the utility model;

[0023] Figure 4 This is a schematic diagram of the slide structure of the utility model.

[0024] In the figure: 1. outer shell; 2. connecting rod; 3. anti-drop plate; 4. top plate; 5. spring; 6. fixing tube; 7. first bolt; 8. slide groove; 9. slider; 10. first strap; 11. second strap; 12. Velcro sub-surface; 13. Velcro mother surface; 14. rubber block; 15. threaded hole; 16. second bolt; 17. limit column; 18. cross bar. DETAILED DESCRIPTION

[0025] 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. 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.

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a multi-segment spinal reduction external fixator, including a shell 1, a connecting rod 2 is movably inserted on one side of the shell 1, an anti-drop plate 3 is fixedly sleeved on the surface of the connecting rod 2, a top plate 4 is fixedly connected to one end of the connecting rod 2, a spring 5 is commonly connected between the anti-drop plate 3 and the inner wall of the shell 1, a fixing tube 6 is fixedly connected to one side of the shell 1, a first bolt 7 is threadedly connected to the surface of the fixing tube 6, and the first bolt 7 conflicts with the surface of the connecting rod 2 in a locked state. Through the arrangement of the top plate 4, the spring 5, the first bolt 7 and the fixing tube 6, the top plate 4 is brought into contact with the patient's spine during use. , through the spring 5, the top plate 4 is made to fit more closely with the patient's spine, and then the first bolt 7 is locked so that the first bolt 7 contacts the connecting rod 2, thereby achieving a fixing effect, so that the patient's spine is sufficiently supported, and the practicality of the device is improved. A slider 9 is fixedly connected to the top of the shell 1, and a slide groove 8 is provided at the bottom of the shell 1. The slide groove 8 is adapted to the slider 9. Through the setting of the slider 9 and the slide groove 8, when the patient adds the fixator, the slider 9 is inserted into the inside through the slide groove 8, so as to complete the addition, so that the device can be suitable for patients with different degrees of spinal damage, and the flexibility of the device is improved;

[0027] The surface of the shell 1 is respectively fixedly connected with a first strap 10 and a second strap 11, and the surfaces of the first strap 10 and the second strap 11 are respectively provided with a Velcro sub-surface 12 and a Velcro mother surface 13, and the Velcro sub-surface 12 and the Velcro mother surface 13 are provided to facilitate the patient to wear the Velcro;

[0028] A rubber block 14 is fixedly connected to one side of the top plate 4. The rubber block 14 is arranged in an arc shape. The arrangement of the rubber block 14 improves the comfort of the patient.

[0029] A threaded hole 15 is provided on the other side of the housing 1, and a second bolt 16 is connected to the inner thread of the threaded hole 15. The second bolt 16 is provided to lock the slider 9.

[0030] The other end of the connecting rod 2 is movably connected to a limiting column 17, and one end of the limiting column 17 is fixedly connected to the inner wall of the housing 1. The setting of the limiting column 17 makes the connecting rod 2 more stable during the movement.

[0031] Two cross bars 18 are movably connected to the surface of the anti-slip plate 3. The arrangement of the cross bars 18 prevents the anti-slip plate 3 from shaking when moving. The two cross bars 18 are symmetrically arranged.

[0032] In the utility model, the working steps of the device are as follows:

[0033] Step 1: First, the top plate 4 is brought into contact with the patient's spine, and the top plate 4 is made to fit the patient's spine more closely through the spring 5, and then the first bolt 7 is tightened so that the first bolt 7 contacts the connecting rod 2, thereby achieving a fixing effect, so that the patient's spine is adequately supported;

[0034] The second step: insert the slider 9 into the interior through the slide groove 8 to complete the addition, so that the device can be suitable for patients with different degrees of spinal damage, thereby improving the flexibility of the device.

[0035] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0036] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0037] 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 multi-segment spinal reduction external fixator, comprising a housing (1), characterized in that: A connecting rod (2) is movably inserted into one side of the shell (1), an anti-slip plate (3) is fixedly sleeved on the surface of the connecting rod (2), one end of the connecting rod (2) is fixedly connected to a top plate (4), a spring (5) is commonly connected between the anti-slip plate (3) and the inner wall of the shell (1), a fixing cylinder (6) is fixedly connected to one side of the shell (1), a first bolt (7) is threadedly connected to the surface of the fixing cylinder (6), and the first bolt (7) contacts the surface of the connecting rod (2) in a locked state, a sliding block (9) is fixedly connected to the top of the shell (1), and a sliding groove (8) is provided at the bottom of the shell (1), and the sliding groove (8) is adapted to the sliding block (9).

2. A multi-segment spinal reduction external fixator according to claim 1, characterized in that: The surface of the shell (1) is respectively fixedly connected with a first binding strap (10) and a second binding strap (11); the surfaces of the first binding strap (10) and the second binding strap (11) are respectively provided with a Velcro sub-surface (12) and a Velcro main surface (13).

3. The multi-segment spinal reduction external fixator according to claim 1, characterized in that: A rubber block (14) is fixedly connected to one side of the top plate (4), and the rubber block (14) is arranged in an arc shape.

4. The multi-segment spinal reduction external fixator according to claim 1, characterized in that: A threaded hole (15) is provided on the other side of the housing (1), and a second bolt (16) is internally threadedly connected to the threaded hole (15).

5. The multi-segment spinal reduction external fixator according to claim 1, characterized in that: The other end of the connecting rod (2) is movably inserted into a limiting column (17), and one end of the limiting column (17) is fixedly connected to the inner wall of the outer shell (1).

6. The multi-segment spinal reduction external fixator according to claim 1, characterized in that: Two cross bars (18) are movably penetrated through the surface of the anti-slip plate (3), and the two cross bars (18) are symmetrically arranged.

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