Correcting tractor

Abstract

The utility model discloses a correction tractor, which relates to the field of medical instruments and comprises a support, the support comprises a linear supporting rod, an arc-shaped supporting rod is fixed below the linear supporting rod, limiting grooves are arranged on the outer side surfaces of the linear supporting rod and the arc-shaped supporting rod, three limiting mechanisms are arranged on the support, and a traction mechanism is arranged on the middle limiting mechanism. The upper limiting mechanism and the lower limiting mechanism are provided with bracket mechanisms, each limiting mechanism comprises a limiting shell, one side of each limiting shell is rotationally connected with a button, one end of each button is rotationally connected with a limiting pin, and the limiting pins are matched with the limiting grooves. The device has the beneficial effects that through the arrangement of the limiting mechanism, the purpose of adjusting the positions of all mechanisms of the corrector is achieved by controlling the cooperation of a limiting pin and a limiting groove through a pressing button, and the positions of the upper forehead bracket and the lower jaw bracket are adjusted through the arrangement of the bracket mechanism, so that the device better fits the face shape of a patient; the direction of traction force can be displayed through the arrangement of the angle marking ring, and a better treatment effect can be achieved by adjusting the direction of the traction force.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a correction traction device. Background Art

[0002] In oral orthodontic treatment, traction devices are often used to correct the patient's bones. Traction devices, also known as front traction appliances, are appliances that use extraoral devices to apply corrective force to the maxillary bone, pulling the maxillary bone forward and promoting maxillary development. They can correct bones without damaging the teeth.

[0003] For example, the patent document with publication number CN217448042U discloses a traction device and a traction apparatus with a detachable protective pad, wherein the traction device with a detachable protective pad includes: a rod body; a forehead support, which is slidably arranged on one end of the rod body and on which a first protective pad is detachably provided; and a chin pocket, which is slidably arranged on the other end of the rod body and on which a second protective pad is detachably provided. The utility model can achieve the engagement and limitation of the patient's mandibular area and head by arranging a slidably connected forehead support and mandibular pocket on the rod body, thereby applying a corrective force to the patient's maxilla. A detachable first protective pad is provided on the forehead support, and a detachable second protective pad is provided on the mandibular pocket. By disassembling and replacing the first and second protective pads, the protective pads contaminated with skin secretions and sweat can be prevented from becoming a breeding ground for bacteria, thereby reducing the safety risk of the patient. In the prior art, the correction traction device is limited by squeezing with bolts. This limiting method requires the doctor to remove the corrector from the patient's face for adjustment, which is very inconvenient for the doctor to adjust the traction device according to the patient's condition. Utility Model Content

[0004] The purpose of the present invention is to provide a correction traction device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A correction traction device includes a bracket, which includes a straight support rod, an arc-shaped support rod fixedly connected to the bottom of the straight support rod, and a number of limit grooves are evenly arranged on the outer sides of the straight support rod and the arc-shaped support rod. Three limit mechanisms are arranged on the bracket, a traction mechanism is arranged on the middle limit mechanism, and a bracket mechanism is arranged on the upper and lower limit mechanisms. The limit mechanism includes a limit shell, a sliding track is arranged in the middle of the limit shell, and the shape of the sliding track matches the outer shape of the straight support rod and the arc-shaped support rod. A button is rotatably connected to one side of the limit shell, and one end of the button is rotatably connected to a limit pin, which can match the limit groove. The limit pin is slidably connected to the limit shell, and a spring is fixedly connected to the bottom of the other end of the button, and the bottom of the spring is fixedly connected to the limit shell.

[0007] Preferably, a limiting mechanism is provided on the linear support rod, two limiting mechanisms are provided on the arcuate support rod, a displacement scale is provided on one side of the arcuate support rod, and the upper end of the linear support rod and the lower end of the arcuate support rod are wrapped with rubber sleeves.

[0008] Preferably, the bracket mechanism includes an adjustable U-shaped frame, and the upper and lower sides of one end of the adjustable U-shaped frame are rotatably connected with symmetrically arranged rotating blocks, the rotating blocks are sleeved on the straight support rod and the arc support rod, one side of the rotating block is fixedly connected to the upper and lower ends of the limiting shell, and the other end of the adjustable U-shaped frame is hinged with a connecting block, the upper connecting block is fixedly connected to the upper forehead support, and the lower connecting block is fixedly connected to the mandibular support, and the upper forehead support and the mandibular support are detachably connected with a silicone gasket on the side close to the patient's skin.

[0009] Preferably, a bolt is threadedly connected to one side of the adjustment U-shaped frame, one end of the bolt is fixedly connected to a knob, and the other end of the bolt can resist the rotating block.

[0010] Preferably, the traction mechanism includes a traction frame fixedly connected to the outside of the middle limit shell, and traction columns are rotatably connected on both sides of the traction frame. The traction columns are arranged in a broken line shape, and the outer ends of the traction columns are wrapped with rubber sleeves. The traction columns are connected to the traction device located in the patient's mouth through rubber ropes.

[0011] Preferably, angle marking rings are fixedly connected on both sides of the traction frame, the traction column is set at the center of the angle marking ring, the traction column shell is made of transparent plastic, the inside of the traction column is filled with colored liquid to half of its volume, and an angle scale is set on the outside of the angle marking ring.

[0012] The beneficial effects are: through the setting of the limit mechanism, the limit pin and the limit groove are controlled by pressing the button to achieve the purpose of adjusting the position of each mechanism of the corrector; the position of the upper forehead support and the lower jaw support is adjusted by the setting of the bracket mechanism to make it more fit the patient's facial shape; the direction of the traction force can be displayed by the setting of the angle marking ring, and adjusting the direction of the traction force can achieve better treatment effects.

[0013] Additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through specific practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a three-dimensional diagram of a correction traction device described in the utility model;

[0016] Figure 2 This is a left side view of a correction traction device described in the utility model;

[0017] Figure 3 This is a schematic structural diagram of a limiting mechanism of a correction traction device described in the utility model;

[0018] Figure 4 This is a right side sectional view of a limiting mechanism of a correction traction device described in the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the bracket mechanism of the correction traction device described in the utility model;

[0020] Figure 6 It is a structural schematic diagram of the traction mechanism of a correction traction device described in the utility model.

[0021] The following are the descriptions of the reference numerals:

[0022] 101. Linear support rod; 102. Arc support rod; 103. Displacement scale; 104. Limiting groove; 201. Limiting housing; 202. Sliding track; 203. Button; 204. Limiting pin; 205. Spring; 301. Adjusting U-shaped frame; 302. Rotating block; 303. Connecting block; 304. Knob; 305. Bolt; 306. Upper forehead support; 307. Lower jaw support; 401. Traction frame; 402. Traction column; 403. Angle marking ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] like Figures 1-6As shown, a correction traction device includes a bracket, the bracket includes a straight support rod 101, an arc-shaped support rod 102 is fixedly connected to the lower portion of the straight support rod 101, and a number of limit grooves 104 are evenly arranged on the outer sides of the straight support rod 101 and the arc-shaped support rod 102. Three limit mechanisms are arranged on the bracket, a traction mechanism is arranged on the middle limit mechanism, and a bracket mechanism is arranged on the upper and lower limit mechanisms. The limit mechanism includes a limit shell 201, and a sliding track 202 is arranged in the middle of the limit shell 201. The shape of the sliding track 202 matches the shape of the straight support rod 101 and the arc-shaped support rod 102. A button 203 is rotatably connected to one side of the limit shell 201, and one end of the button 203 is rotatably connected to a limit pin 204. The limit pin 204 can The limit pin 204 is able to cooperate with the limit slot 104, the limit pin 204 is slidably connected to the limit shell 201, and the bottom of the other end of the button 203 is fixedly connected to a spring 205, and the bottom of the spring 205 is fixedly connected to the limit shell 201. The limit pin 204 cooperates with the limit slot 104 to limit, and the spring 205 supports the other end of the button 203 so that the limit pin 204 cannot move. In this way, the limit shell 201 cannot move. When the staff needs to adjust the corrective traction device, they press the button 203. At this time, the spring 205 is compressed, and the button 203 rotates to drive the limit pin 204 to move out of the cooperation with the limit slot 104. At this time, the limit shell 201 can move. This arrangement is convenient for doctors to adjust the traction corrector, thereby improving the adjustment efficiency.

[0027] A limiting mechanism is provided on the straight support rod 101, and two limiting mechanisms are provided on the arc support rod 102. A displacement scale 103 is provided on one side of the arc support rod 102. The upper end of the straight support rod 101 and the lower end of the arc support rod 102 are wrapped with rubber sleeves. The setting of the arc support rod 102 avoids the patient's facial organs, thereby improving wearing comfort. The setting of the displacement scale 103 can quantify the displacement when the staff adjusts the position, making the adjustment more precise and the treatment effect better.

[0028] The bracket mechanism includes an adjustable U-shaped frame 301, and the upper and lower sides of one end of the U-shaped frame 301 are rotatably connected to symmetrically arranged rotating blocks 302. The rotating blocks 302 are sleeved on the straight support rod 101 and the arc support rod 102. One side of the rotating block 302 is fixedly connected to the upper and lower ends of the limiting shell 201. The other end of the adjustable U-shaped frame 301 is hinged with a connecting block 303. The upper connecting block 303 is fixedly connected to the upper forehead bracket 306, and the lower connecting block 303 is fixedly connected to the mandibular bracket 307. The upper forehead bracket 306 and the mandibular bracket 307 are detachably connected with a silicone gasket on the side close to the patient's skin. The screw on one side of the U-shaped frame 301 is adjusted The thread is connected with a bolt 305, one end of the bolt 305 is fixedly connected to the knob 304, and the other end of the bolt 305 can resist the rotating block 302. When wearing the correction traction device, due to the different facial features of the patient, the upper forehead support 306 and the lower jaw support 307 need to be adjusted. The staff turns the knob 304 to release the limit of the bolt 305 on the rotating block 302. In this way, the U-shaped frame 301 can be adjusted to swing left and right around the rotating block 302, and the connecting block 303 can swing up and down around the front end of the adjustment U-shaped frame 301. In this way, the upper forehead support 306 and the lower jaw support 307 can fit the patient's face, thereby improving the wearing comfort.

[0029] The traction mechanism includes a traction frame 401 fixedly connected to the outside of the middle limit shell 201, and traction columns 402 are rotatably connected on both sides of the traction frame 401. The traction column 402 is arranged in a broken line shape, and the outer end of the traction column 402 is wrapped with a rubber sleeve. The traction column 402 is connected to the traction device located in the patient's mouth through a rubber rope. An angle marking ring 403 is fixedly connected on both sides of the traction frame 401. The traction column 402 is set at the center of the angle marking ring 403. The shell of the traction column 402 is made of transparent plastic, and the interior of the traction column 402 is filled with Inject colored liquid up to half of its volume, an angle scale is provided on the outside of the angle marking ring 403, the traction column 402 is connected to the traction device in the oral cavity, the traction column 402 provides traction for the traction device to pull the maxilla for correction, the movement of the limit mechanism drives the traction frame 401 to move, the movement of the traction frame 401 can adjust the direction of the traction force, the colored liquid in the angle marking ring 403 always remains horizontal, and the angle of the traction force can be known by observing the scale between the rubber rope and the horizontal line of the colored liquid, so that a better treatment effect can be obtained.

[0030] Working principle: The doctor wears the correction traction device for the patient. Due to the different facial features of the patient, the upper forehead support 306 and the lower jaw support 307 need to be adjusted. The staff turns the knob 304 to release the limit of the rotating block 302 by the bolt 305, so that the U-shaped frame 301 can be adjusted to swing left and right around the rotating block 302, and the connecting block 303 swings up and down around the front end of the adjustment U-shaped frame 301, so that the upper forehead support 306 and the lower jaw support 307 can fit the patient's face and improve the wearing comfort. The limit pin 204 cooperates with the limit slot 104 to limit the position, and the spring 205 supports the other end of the button 203 so that the limit pin 204 cannot move. In this way, the limit shell 201 cannot move. When the staff needs to adjust the correction traction device, they press the button 203 At this time, the spring 205 is compressed, and the button 203 rotates to drive the limit pin 204 to move out of the cooperation with the limit groove 104. At this time, the limit shell 201 can move along the straight support rod 101 or the arc support rod 102. This arrangement is convenient for the doctor to adjust the traction corrector and improves the adjustment efficiency. The traction column 402 is connected to the traction device in the oral cavity. The traction column 402 provides traction for the traction device to pull the maxillary for correction. The movement of the limit mechanism drives the traction frame 401 to move. The movement of the traction frame 401 can adjust the direction of the traction force. The colored liquid in the angle marking ring 403 always remains horizontal. The angle of the traction force can be known by observing the scale between the rubber rope and the colored liquid horizontal line, so that a better treatment effect can be obtained.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A correction traction device, comprising a bracket, characterized in that: The bracket comprises a straight support rod (101), an arcuate support rod (102) is fixedly connected to the lower portion of the straight support rod (101), a plurality of limiting grooves (104) are evenly arranged on the outer side surfaces of the straight support rod (101) and the arcuate support rod (102), three limiting mechanisms are arranged on the bracket, a traction mechanism is arranged on the middle limiting mechanism, and bracket mechanisms are arranged on the upper and lower limiting mechanisms, the limiting mechanism comprises a limiting shell (201), a sliding track (202) is arranged in the middle of the limiting shell (201), and the sliding track (202) The shape matches the outer shape of the linear support rod (101) and the arc support rod (102); a button (203) is rotatably connected to one side of the limit housing (201); one end of the button (203) is rotatably connected to a limit pin (204); the limit pin (204) can match the limit groove (104); the limit pin (204) is slidably connected to the limit housing (201); the bottom of the other end of the button (203) is fixedly connected to a spring (205); the bottom of the spring (205) is fixedly connected to the limit housing (201).

2. A correction traction device according to claim 1, characterized in that: The linear support rod (101) is provided with a limiting mechanism, the arc-shaped support rod (102) is provided with two limiting mechanisms, a displacement scale (103) is provided on one side of the arc-shaped support rod (102), and the upper end of the linear support rod (101) and the lower end of the arc-shaped support rod (102) are wrapped with rubber sleeves.

3. The correction traction device according to claim 1, characterized in that: The bracket mechanism comprises an adjustable U-shaped frame (301), wherein one end of the adjustable U-shaped frame (301) is rotatably connected to symmetrically arranged rotating blocks (302) at the upper and lower sides, and the rotating blocks (302) are sleeved on the linear support rod (101) and the arc-shaped support rod (102). One side of the rotating block (302) is fixedly connected to the upper and lower ends of the limiting shell (201), and the other end of the adjustable U-shaped frame (301) is hingedly connected to a connecting block (303), the upper side of the connecting block (303) is fixedly connected to an upper forehead bracket (306), and the lower side of the connecting block (303) is fixedly connected to a lower jaw bracket (307), and the upper forehead bracket (306) and the lower jaw bracket (307) are detachably connected to silicone gaskets on the side close to the patient's skin.

4. The correction traction device according to claim 3, characterized in that: One side of the adjustment U-shaped frame (301) is threadedly connected to a bolt (305), one end of the bolt (305) is fixedly connected to a knob (304), and the other end of the bolt (305) is capable of contacting the rotating block (302).

5. The correction traction device according to claim 1, characterized in that: The traction mechanism comprises a traction frame (401) fixedly connected to the outside of the middle limiting shell (201), and traction columns (402) are rotatably connected on both sides of the traction frame (401). The traction columns (402) are arranged in a broken line shape, and the outer ends of the traction columns (402) are wrapped with rubber sleeves. The traction columns (402) are connected to a traction device located in the patient's mouth through a rubber rope.

6. The correction traction device according to claim 5, characterized in that: Angle marking rings (403) are fixedly connected to both sides of the traction frame (401), the traction column (402) is arranged at the center of the angle marking ring (403), the outer shell of the traction column (402) is made of transparent plastic, the interior of the traction column (402) is filled with colored liquid to half of its volume, and an angle scale is arranged on the outside of the angle marking ring (403).

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