Clinical fixator for orthodontics

Abstract

The utility model relates to the technical field of orthodontics, in particular to an orthodontic clinical fixator which comprises a bottom plate, and two sides of the top end of the bottom plate are fixedly connected with limiting plates. According to the clinical fixator for orthodontics, through the arrangement of the fixing base, the sliding blocks, the clamping plates, the telescopic columns, first springs, inserting rods and second springs, when the clinical fixator is used, the fixing base is connected with the sliding blocks, the inserting rods are held by hands to drive the second springs to contract, the sliding blocks are held by hands to be unfolded outwards, the clinical fixator is placed on the two sides of an operating bed, and after the sliding blocks are unfolded to be as long as the operating bed, the inserting rods are manually loosened; second springs drive inserting rods to fix the unfolding positions of sliding blocks, then clamping plates are manually pressed downwards and placed on the two sides of the bottom end of an operating bed, the clamping plates drive first springs to contract when moving downwards, after the clamping plates are loosened, the first springs push the clamping plates to clamp the bottom end of the operating bed, and telescopic columns are used for limiting the first springs and preventing the first springs from being bent during contraction. Therefore, the effects of adapting to the length of the operating bed and clamping and fixing the device are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of orthodontics, in particular to an orthodontic clinical fixator. Background Technique

[0002] Orthodontics is to correct teeth, relieve malocclusion and deformity. Orthodontics mainly studies the etiological mechanism, diagnosis and analysis, prevention and treatment of malocclusion. Orthodontics can achieve the effect of beautiful teeth. The existing orthodontic surgery requires fixing the patient's head.

[0003] However, the existing orthodontic clinical fixator has the following disadvantages:

[0004] (1) For the existing orthodontic clinical fixator, the function of adjusting and adapting to clamp the head size is weak. When in use, the patient needs to be anesthetized during the clinical operation, but there will still be slight pain during the actual operation. The patient may have uncontrolled twitching and head shaking, which will cause difficulties in the clinical operation;

[0005] (2) For the existing orthodontic clinical fixator, the function of being convenient for disassembly and assembly is weak. When in use, the device is used to be installed on the hospital bed and is usually fixed with bolts. The installation of the bolts will damage the operating bed, and the bolts need to be removed during disassembly and assembly, and the clamping position cannot be adapted and adjusted according to the height at which the patient lies down. Content of the Utility Model

[0006] The purpose of the utility model is to provide an orthodontic clinical fixator to solve the problems put forward in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: an orthodontic clinical fixator, including a bottom plate. On both sides of the top of the bottom plate, there are fixed connection limit plates. Inside the limit plates, there is a sliding connection with limit rods. On one side of the limit rods, there is a fixed connection with a clamping plate. On one side of the top of the clamping plate, there is a threaded connection with a threaded rod. On the other side of the top of the clamping plate, there is a sliding connection with a limit post. On both sides of the bottom plate, there are fixed connection fixing seats. Inside the fixing seats, there is a sliding connection with sliders. On one side of the inner wall of the sliders, there is a chute. Inside the chute, there is a sliding connection with a clamping plate. At the bottom of the clamping plate, there is a fixed connection with a telescopic column. On the surface of the telescopic column, there is a first spring. On the top of the fixing seat, there is a sliding connection with an insertion rod. On the surface of the insertion rod, there is a second spring.

[0008] Optionally, on the front of the bottom plate, there is a fixed connection with a fixing plate. On the top of the fixing plate, there is a fixed connection with a cushion. The cushion is fixed by the fixing plate, and the cushion is used to protect both sides of the neck to prevent skin damage caused by friction.

[0009] Optionally, a fixing groove is formed in the inner wall of the card board, and an anti-slip pad is fixedly connected to the inner wall of the fixing groove. The installation of the anti-slip pad facilitates preventing the device from sliding when clamping the head.

[0010] Optionally, a slot is formed at the top end of the slider, and the inner wall of the slot is clamped to the surface of the plug rod. The installation of the slot can fit the plug rod to facilitate fixing the slider.

[0011] Optionally, a connecting groove is formed in the inner top wall of the fixed seat, and the inner wall of the connecting groove is clamped to the top end of the second spring. The connecting groove is used to limit the top end of the second spring.

[0012] Optionally, an installation groove is formed at the top end of the bottom plate, and a placing pad is fixedly connected to the inner wall of the installation groove. The installation of the placing pad is used to protect the position of the back of the head.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. For this orthodontic clinical fixator, through the settings of the limit plate, limit rod, card board, threaded rod and limit post, during use, through the installation of the limit plate, the limit plate limits the sliding of the limit rod. Then, by rotating the threaded rod, the threaded rod drives the card board to move and clamp the position of the patient's head. The installation of the limit post facilitates limiting the sliding of the other side of the card board, so as to achieve the effect of adapting to the patient's head and stably clamping.

[0015] 2. For this orthodontic clinical fixator, through the settings of the fixed seat, slider, clamping plate, telescopic column, first spring, plug rod and second spring, during use, the slider is connected through the fixed seat. Hold the plug rod and drive the second spring to contract, hold the slider and expand it outwards, place it on both sides of the operating table. After expanding the slider to the same length as the operating table, manually release the plug rod, and the second spring drives the plug rod to fix the expanded position of the slider. Then, manually press down the clamping plate and place it on both sides of the bottom end of the operating table. When the clamping plate moves downwards, it drives the first spring to contract. After releasing the clamping plate, the first spring pushes the clamping plate to clamp the bottom end of the operating table. The telescopic column is used to limit the first spring to prevent it from bending during contraction, so as to achieve the effect of adapting to the length of the operating table and clamping and fixing the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall external view schematic diagram of the present utility model;

[0017] Figure 2 is the split schematic diagram of the card board of the present utility model;

[0018] Figure 3 is the split schematic diagram of the slider of the present utility model;

[0019] Figure 4 is the enlarged schematic diagram of the bottom plate of the present utility model.

[0020] In the figure: 1, bottom plate; 2, limit plate; 3, limit rod; 4, clamping plate; 5, threaded rod; 6, limit column; 7, fixed seat; 8, slider; 9, clamping plate; 10, telescopic column; 11, first spring; 12, insertion rod; 13, second spring; 14, fixed plate; 15, cushion; 16, anti-slip pad; 17, placement pad. Specific implementation manner

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1 - 4 As shown, a technical solution provided by the present invention: an orthodontic clinical fixator, including a bottom plate 1, two sides of the top end of the bottom plate 1 are fixedly connected with limit plates 2, the inner wall of the limit plate 2 is slidably connected with a limit rod 3, one side of the limit rod 3 is fixedly connected with a clamping plate 4, one side of the top end of the clamping plate 4 is threadedly connected with a threaded rod 5, the other side of the top end of the clamping plate 4 is slidably connected with a limit column 6, both sides of the bottom plate 1 are fixedly connected with fixed seats 7, the inner wall of the fixed seat 7 is slidably connected with a slider 8, a chute is opened on one side of the inner wall of the slider 8, the inner wall of the chute is slidably connected with a clamping plate 9, the bottom end of the clamping plate 9 is fixedly connected with a telescopic column 10, a first spring 11 is arranged on the surface of the telescopic column 10, the top end of the fixed seat 7 is slidably connected with an insertion rod 12, a second spring 13 is arranged on the surface of the insertion rod 12. Through the installation of the limit plate 2, the limit plate 2 limits the sliding of the limit rod 3. Then, by rotating the threaded rod 5, the threaded rod 5 drives the clamping plate 4 to move the position of the patient's head and clamp it. The installation of the limit column 6 facilitates the limit of the other side of the clamping plate 4 when sliding, so as to achieve the effect of adapting to the patient's head and stably clamping. By connecting the slider 8 through the fixed seat 7, hold the insertion rod 12 to drive the second spring 13 to contract, hold the slider 8 and unfold it outward, place it on both sides of the operating table. After unfolding the slider 8 to the same length as the operating table, manually release the insertion rod 12, and the second spring 13 drives the insertion rod 12 to fix the unfolded position of the slider 8. Then manually press down the clamping plate 9 and place it on both sides of the bottom end of the operating table. When the clamping plate 9 moves downward, it drives the first spring 11 to contract. After releasing the clamping plate 9, the first spring 11 pushes the clamping plate 9 to clamp the bottom end of the operating table. The telescopic column 10 is used to limit the first spring 11 to prevent it from bending when contracting, so as to achieve the effect of adapting to the length of the operating table and clamping and fixing the device;

[0023] On the front side of the bottom plate 1, a fixing plate 14 is fixedly connected. At the top of the fixing plate 14, a cushion 15 is fixedly connected. The cushion 15 is fixed by the fixing plate 14 and is used to protect both sides of the neck to prevent friction from damaging the skin.

[0024] On the inner wall of the clamping plate 4, a fixing groove is provided. On the inner wall of the fixing groove, an anti-slip pad 16 is fixedly connected. The installation of the anti-slip pad 16 facilitates preventing the device from sliding when clamping the head.

[0025] On the top of the slider 8, a slot is provided. The inner wall of the slot is clamped on the surface of the insertion rod 12. The installation of the slot can fit the insertion rod 12 to facilitate fixing the slider 8.

[0026] On the inner top wall of the fixed seat 7, a connecting groove is provided. The inner wall of the connecting groove is clamped on the top end of the second spring 13. The connecting groove is used to limit the top end of the second spring 13.

[0027] On the top of the bottom plate 1, an installation groove is provided. On the inner wall of the installation groove, a placement pad 17 is fixedly connected. The installation of the placement pad 17 is used to protect the position of the back of the head.

[0028] In the present utility model, the working steps of the device are as follows:

[0029] The first step: Through the installation of the limiting plate 2, the limiting plate 2 limits the sliding of the limiting rod 3. Then, by rotating the threaded rod 5, the threaded rod 5 drives the clamping plate 4 to move and clamp the position of the patient's head. The installation of the limiting column 6 facilitates limiting the sliding of the other side of the clamping plate 4, thereby achieving the effect of adapting to the patient's head and stably clamping.

[0030] The second step: Connect the slider 8 through the fixed seat 7. Hold the insertion rod 12 and drive the second spring 13 to contract. Hold the slider 8 and expand it outwards, and place it on both sides of the operating table. After expanding the slider 8 to the same length as the operating table, manually release the insertion rod 12. The second spring 13 drives the insertion rod 12 to fix the expanded position of the slider 8. Then, manually press down the clamping plate 9 and place it on both sides at the bottom of the operating table. When the clamping plate 9 moves downwards, it drives the first spring 11 to contract. After releasing the clamping plate 9, the first spring 11 pushes the clamping plate 9 to clamp the bottom of the operating table. The telescopic column 10 is used to limit the first spring 11 to prevent it from bending during contraction, thereby achieving the effect of adapting to the length of the operating table and clamping and fixing the device.

[0031] The third step: Fix the cushion 15 through the fixing plate 14. The cushion 15 is used to protect both sides of the neck to prevent friction from damaging the skin. The installation of the anti-slip pad 16 facilitates preventing the device from sliding when clamping the head. The installation of the slot can fit the insertion rod 12 to facilitate fixing the slider 8. The installation of the placement pad 17 is used to protect the position of the back of the head.

[0032] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An orthodontic clinical fixator, comprising a bottom plate (1), characterized in that: On both sides of the top end of the bottom plate (1), there are fixedly connected limit plates (2). Inside the limit plates (2), there is a slidably connected limit rod (3). On one side of the limit rod (3), there is a fixedly connected clamping plate (4). On one side of the top end of the clamping plate (4), there is a threaded connection with a threaded rod (5). On the other side of the top end of the clamping plate (4), there is a slidably connected limit post (6). On both sides of the bottom plate (1), there are fixedly connected fixed seats (7). Inside the fixed seats (7), there is a slidably connected slider (8). On one side of the inner wall of the slider (8), there is a chute. Inside the chute, there is a slidably connected clamping plate (9). At the bottom end of the clamping plate (9), there is a fixedly connected telescopic column (10). On the surface of the telescopic column (10), there is a first spring (11). On the top end of the fixed seat (7), there is a slidably connected insertion rod (12). On the surface of the insertion rod (12), there is a second spring (13).

2. The clinical orthodontic fixator according to claim 1, wherein: On the front surface of the bottom plate (1), there is a fixedly connected fixing plate (14). On the top end of the fixing plate (14), there is a fixedly connected cushion (15).

3. The orthodontic clinical fixator according to claim 1, characterized in that: Inside the clamping plate (4), there is a fixed groove. Inside the fixed groove, there is a fixedly connected anti-slip pad (16).

4. An orthodontic clinical fixator according to claim 1, characterized in that: On the top end of the slider (8), there is a slot. The inner wall of the slot is clamped on the surface of the insertion rod (12).

5. The clinical orthodontic retainer according to claim 1, wherein: On the inner top wall of the fixed seat (7), there is a connection groove. The inner wall of the connection groove is clamped on the top end of the second spring (13).

6. The clinical orthodontic fixator according to claim 1, wherein: On the top end of the bottom plate (1), there is an installation groove. Inside the installation groove, there is a fixedly connected placement pad (17).

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