Orthodontic photographing retractor and reflector fixing device

Abstract

The invention discloses an orthodontic photographing retractor and reflector fixing device, which reduces the number of medical staff in the oral photographing process and improves the working efficiency. The photographing quality and efficiency are ensured, and the comfort of a patient is improved; according to the technical scheme, the device comprises a shell and mechanical arms fixed to the two sides of the shell respectively, each mechanical arm comprises a fixed arm, a rotating arm and a drag hook mounting arm, one end of each fixed arm is fixedly arranged on the side face of the shell, the other end of each fixed arm is hinged to one end of the corresponding rotating arm, and a first joint is formed; the other end of the rotating arm is hinged with the drag hook mounting arm to form a second joint; a drag hook clamp is arranged on the drag hook mounting arm; anti-skid rubber is arranged in the drag hook clamp, the drag hook clamp is provided with a bayonet and a buckle, and the bayonet and the buckle are oppositely arranged. And limiting teeth are arranged on the hinge seats at the first joint and the second joint.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to an orthodontic photography hook and a reflector fixing device. Background Art

[0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

[0003] At present, oral photography requires the assistance of multiple people in clinical practice. Usually, one person helps to open the lips with a retractor, one person holds the reflector and uses tools to blow away the fog on the mirror to ensure clarity, and one person takes the oral photography. The retractor's pulling force, direction, and method will affect the quality of the photography, and the assistants need to be trained to achieve satisfactory results. In clinical work, the quality of photography is often affected, the photography time is increased, and the patient feels uncomfortable due to reasons such as manpower shortage and inadequate training.

[0004] The existing reflector fixing handle is too wide for patients to hold, and the same device cannot take into account the functions of the reflector fixing handle and the retractor fixing bracket. Not only does it require the assistance of medical staff to open the lips, but it also requires the assistance of other medical staff during the photo-taking process, which increases labor costs and reduces work efficiency. Summary of the invention

[0005] In view of the above problems, the present invention provides a retractor and reflector fixing device for orthodontic photography, which enables the patient to fix the reflector and support the open lips with the retractor by holding the fixing device with one hand, thereby reducing the number of medical personnel in the oral photography process, reducing labor costs, and improving work efficiency; the mechanical arm on the fixing device can control the traction force and direction of the retractors on both sides, so that the exposed field of view of the retractors is symmetrical, thereby ensuring the quality and efficiency of photography and improving the comfort of patients.

[0006] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0007] In a first aspect, the present invention provides an orthodontic photography hook and reflector fixing device, comprising: a shell and mechanical arms respectively arranged on both sides of the shell, the mechanical arms comprising a fixed arm, a rotating arm and a hook mounting arm, one end of the fixed arm is arranged on the side of the shell, the other end of the fixed arm is hinged to one end of the rotating arm to form a first joint, and the other end of the rotating arm is hinged to the hook mounting arm to form a second joint; a hook clamp is arranged on the hook mounting arm; the cross section of the hook clamp is U-shaped, and non-slip rubber is arranged inside the hook clamp, one side of the hook clamp is fixedly connected to the hook mounting arm, and a bayonet is arranged at the opening position, and a buckle is arranged near the opening position on the other side, and the bayonet and the buckle are arranged opposite to each other;

[0008] The fixed arm and the rotating arm at the first joint are provided with an articulated seat, and the articulated seats of the fixed arm and the rotating arm are provided with a plurality of mutually engageable limiting teeth. The hook mounting arm and the rotating arm at the second joint are provided with an articulated seat, and the articulated seats of the hook mounting arm and the rotating arm are provided with mutually engageable limiting teeth for fixing and adjusting the angle between the fixed arm, the rotating arm and the hook mounting arm.

[0009] Furthermore, the limiting teeth are respectively arranged on the hinge seats of the fixed arm, the rotating arm and the hook installation arm; the limiting teeth are circumferentially distributed on the hinge seat around the center of the hinge seat, and the axes of several limiting teeth intersect at the center of the hinge seat.

[0010] Furthermore, the first joint and the second joint are both provided with clamping bolts, the hinged positions on the fixed arm and the hook mounting arm are provided with threaded holes, and both ends of the rotating arm are provided with light holes for passing the clamping bolts.

[0011] Furthermore, a laser is provided in the middle of the front end of the shell, and the laser can emit light for judging whether the retractor hook is in a correct angle.

[0012] Furthermore, a reflector socket is provided at the front end of the housing, and the reflector socket is provided below the centering device. A friction damping device is provided in the reflector socket for fixing the reflector.

[0013] Furthermore, the friction damping device is composed of two rubber pads, on which a plurality of rubber hemispheres are arranged; the two rubber pads are fixedly arranged on the inner walls on both sides of the reflector socket, and the reflector is inserted between the two rubber pads.

[0014] Furthermore, a fan is also arranged in the shell, the air outlet of the fan is arranged above the reflector socket, and the air inlet of the fan is arranged above the shell.

[0015] Furthermore, an LED lamp is disposed at the front end of the shell to provide an illumination source; a light source switch and a fan switch of the LED lamp are disposed above the shell.

[0016] Furthermore, a cylindrical handle is provided at the rear end of the shell, and an anti-slip gripping rubber strip is provided on the handle.

[0017] In a second aspect, the present invention further provides a method for using an orthodontic photography hook and a reflector fixing device, comprising:

[0018] S1. Install the hook to be used into the hook clip on the hook mounting arm, use the bayonet of the hook clip to buckle with the buckle, and fix the hook in the hook clip with the help of the internal non-slip rubber; insert the reflector into the reflector socket set at the front end of the housing;

[0019] S2. According to actual use requirements, adjust the position of the rotating arm relative to the fixed arm. During the adjustment process, the rotating arm rotates around the first joint. When it rotates to a suitable angle, it is initially positioned by relying on the mutually meshing limit teeth on the hinge seats of the fixed arm and the rotating arm, and then the angle between the fixed arm and the rotating arm is fixed by tightening the clamping bolts; when correction is required, turn on the laser at the middle position of the front end of the shell, the laser emits light and projects it onto the patient's teeth, and judge whether the retractor is at the correct angle by observing the projection position of the light on the teeth. If the angle is found to be deviated, fine-tune the angles at the first joint and the second joint again for correction;

[0020] S3. Rotate the hook mounting arm so that it rotates around the second joint. When it rotates to an angle that meets the actual use requirements, it is positioned by the limiting teeth on the hinge seat of the hook mounting arm and the rotating arm, and then the angle between the hook mounting arm and the rotating arm is fixed by the clamping bolt, and the hook is fixed at the desired position by the hook mounting arm;

[0021] S4. During use, turn on the fan set in the shell and turn on the LED light at the front end of the shell; the patient can hold the cylindrical handle set at the rear end of the shell to facilitate related operations.

[0022] Compared with the prior art, the present invention has the following advantages and positive effects:

[0023] The present invention solves the problem that it is difficult to stably fix the hook on the installation arm. The hook is stably installed in the hook clamp by means of the bayonet and buckle of the hook clamp and the internal anti-skid rubber. The problem that the angle between the fixed arm, the rotating arm and the hook installation arm is difficult to accurately fix and adjust is solved by the mutually meshing limiting teeth on the hinge seat. The angle between the hook installation arm and the rotating arm is fixed by the limiting teeth and the clamping bolts on the hinge seats of the hook installation arm and the rotating arm, so that the hook installation arm is also at a suitable working angle and the hook is at a required position. The patient can fix the reflector and support the open lip with the hook by holding the fixing device with one hand, thereby reducing the number of medical personnel in the process of oral photography. The mechanical arm on the fixing device can control the traction force and direction of the hooks on both sides, so that the exposed visual field of the hooks is symmetrical, thereby ensuring the quality and efficiency of photography.

[0024] The present invention assists in determining whether the retractor is in the correct angle by adjusting the angles at the first joint and the second joint and projecting light with a laser, thereby helping the doctor to accurately locate the photographing position and improving the quality and efficiency of photographing; a friction damping device consisting of two rubber pads (with a number of rubber hemispheres on the rubber pads) is provided at the reflector plug to fix the reflector, thereby solving the problem that the reflector is easily dropped when used in the oral cavity; a fan provided in the shell is used to blow air onto the reflector to avoid fogging, thereby solving the problem that the reflector is easily fogged during use, thereby blurring the doctor's vision. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0026] Figure 1 This is an overall structural diagram of the fixing device of the present invention;

[0027] Figure 2 This is a structural diagram of the hinged positioning of the first joint and the second joint of the present invention.

[0028] In the figure: 1. Shell; 2. Fixed arm; 3. Rotating arm; 4. Hook mounting arm; 5. Hook clamp; 6. Clamping bolt; 7. Handle; 8. Buckle; 9. Anti-slip rubber; 10. LED light; 11. Air outlet; 12. Reflector socket; 13. Light source switch; 14. Fan switch; 15. Air inlet; 16. Limiting teeth; 17. Laser. DETAILED DESCRIPTION

[0029] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof;

[0031] This embodiment discloses an orthodontic photography hook and reflector fixing device, such as Figure 1-Figure 2As shown, it includes a shell 1 and mechanical arms respectively arranged on both sides of the shell 1, the mechanical arms include a fixed arm 2, a rotating arm 3 and a hook installation arm 4, one end of the fixed arm 2 is arranged on the side of the shell 1, the other end of the fixed arm 2 is hinged with one end of the rotating arm 3 to form a first joint, and the other end of the rotating arm 3 is hinged with the hook installation arm 4 to form a second joint; a hook clamp 5 is arranged on the hook installation arm 4; the cross section of the hook clamp 5 is U-shaped, and an anti-skid rubber 9 is arranged inside the hook clamp 5, one side of the hook clamp 5 is fixedly connected to the hook installation arm 4, and a bayonet is arranged at the opening position, and a buckle 8 is arranged near the opening position on the other side, and the bayonet and the buckle 8 are arranged oppositely; the hook to be used is installed in the hook clamp 5 on the hook installation arm 4, and the bayonet of the hook clamp 5 is relatively buckled with the buckle 8, and the internal anti-skid rubber 9 is used to make the hook stably in the hook clamp 5.

[0032] The fixed arm 2 and the shell 1 can be telescopically moved relative to each other. A slider is provided on the fixed arm 2, and a slide groove is provided on the shell 1. The slider can move along the slide groove. At the same time, a plurality of V-shaped spring buckles are provided on the fixed arm, and a hemispherical groove is provided on the shell 1. When the V-shaped spring buckle moves to the hemispherical groove, it can be automatically positioned. When the telescopic length needs to be adjusted, it only needs to be pushed and pulled to the desired position, which makes it easy to store and can position and fix the fixed arm.

[0033] The fixed arm 2 and the rotating arm 3 at the first joint are provided with articulated seats, and the articulated seats of the fixed arm 2 and the rotating arm 3 are provided with a plurality of mutually engaging limiting teeth 16. The hook mounting arm 4 and the rotating arm 3 at the second joint are provided with articulated seats, and the articulated seats of the hook mounting arm 4 and the rotating arm 3 are provided with mutually engaging limiting teeth 16 for fixing and adjusting the angles among the fixed arm 2, the rotating arm 3 and the hook mounting arm 4.

[0034] The limiting teeth 16 are respectively arranged on the hinge seats of the fixed arm 2, the rotating arm 3 and the hook mounting arm 4; the limiting teeth 16 are circumferentially distributed on the hinge seat around the center of the hinge seat, and the axes of several limiting teeth 16 intersect at the center of the hinge seat; the first joint and the second joint are both provided with clamping bolts 6, the hinge positions on the fixed arm 2 and the hook mounting arm 4 are provided with threaded holes, and the two ends of the rotating arm 3 are provided with smooth holes for passing the clamping bolts 6.

[0035] Adjust the position of the rotating arm 3 relative to the fixed arm 2. When it is adjusted to a suitable angle, the angle between the fixed arm 2 and the rotating arm 3 is fixed by the mutually meshing limiting teeth 16 and the clamping bolts 6 on the hinged seats of the fixed arm 2 and the rotating arm 3. Similarly, rotate the hook mounting arm 4. When it is rotated to an angle that meets actual use requirements, the angle between the hook mounting arm 4 and the rotating arm 3 is fixed by the limiting teeth 16 and the clamping bolts 6 on the hinged seats of the hook mounting arm 4 and the rotating arm 3, so that the hook mounting arm 4 is also at a suitable working angle, so that the hook is in the required position.

[0036] A laser 17 is provided in the middle of the front end of the shell 1. The laser 17 can emit light to determine whether the retractor is in the correct angle by projecting it onto the patient's teeth. If the angle deviates, the angles at the first joint and the second joint can be fine-tuned again for correction. This can help the doctor accurately locate the photo-taking position and ensure that the retractor is in the best correct angle to ensure the quality and efficiency of the photo-taking.

[0037] A reflector socket 12 is provided at the front end of the shell 1, and the reflector socket 12 is provided below the centering device. A friction damping device is provided in the socket of the reflector to fix the reflector to prevent the reflector from falling off when used in the oral cavity, thereby solving the problem that the reflector is easy to fall off when used in the oral cavity, and the fixation is achieved by using the friction damping device provided at the reflector socket 12; the friction damping device is composed of two rubber pads, and a plurality of rubber hemispheres are provided on the rubber pads; a reflector is placed between the rubber hemispheres on the two rubber pads, and when the reflector is inserted into the reflector socket 12, there is a large friction force under the action of the rubber hemispheres on both sides of the reflector, thereby ensuring that it will not fall off during subsequent use.

[0038] The shell 1 is also provided with a fan, the air outlet 11 of the fan is arranged above the reflector socket 12, and the air inlet 15 of the fan is arranged above the shell 1. The fan is used to blow air onto the reflector to prevent the reflector from fogging during use, resulting in blurred vision of the doctor.

[0039] An LED lamp 10 is also provided at the front end of the shell 1 for providing a lighting source, and a shading plate is provided on the top of the LED lamp 10 to prevent the light from shining into the patient's eyes and causing dizziness; a light source switch 13 and a fan switch 14 of the LED lamp 10 are provided above the shell 1; a cylindrical handle 7 is provided at the rear end of the shell 1, and an anti-slip gripping rubber strip is provided on the handle 7.

[0040] The method of using the present invention mainly comprises the following steps:

[0041] S1. Install the retractor to be used into the retractor clip 5 on the retractor mounting arm 4, and use the snap-on of the retractor clip 5 to buckle with the buckle 8, and use the internal anti-slip rubber 9 to fix the retractor in the retractor clip 5; insert the reflector into the reflector socket 12 set at the front end of the shell 1. Since a friction damping device is provided at the socket, which is composed of two rubber pads with a plurality of rubber hemispheres, the reflector is inserted between the rubber hemispheres of the two rubber pads, and the larger friction force generated by the rubber hemispheres is used to fix the reflector to prevent it from falling off when used in the oral cavity.

[0042] S2. According to actual usage requirements, adjust the position of the rotating arm 3 relative to the fixed arm 2. During the adjustment process, the rotating arm 3 rotates around the first joint. When it rotates to a suitable angle, it is initially positioned by relying on the mutually meshing limit teeth 16 on the hinge seats of the fixed arm 2 and the rotating arm 3, and then the angle between the fixed arm 2 and the rotating arm 3 is fixed by tightening the clamping bolt 6; when alignment is required, turn on the laser 17 in the middle position of the front end of the shell 1, and the laser 17 emits light and projects it onto the patient's teeth. By observing the projection position of the light on the teeth, it is determined whether the retractor is in the alignment angle. If a deviation is found, the angles at the first joint and the second joint are fine-tuned again for correction, so as to help the doctor accurately locate the photo position, ensure that the retractor is in the best alignment angle, and ensure the quality and efficiency of the photo.

[0043] S3. Then rotate the hook mounting arm 4 to make it rotate around the second joint. When it rotates to an angle that meets the actual use requirements, it is positioned by the limiting teeth 16 on the hinge seats of the hook mounting arm 4 and the rotating arm 3, and then the angle between the hook mounting arm 4 and the rotating arm 3 is fixed by the clamping bolt 6, so that the hook mounting arm 4 is at a suitable working angle, so that the hook is in the required position.

[0044] S4. During use, turn on the fan provided in the shell 1, the air inlet 15 of the fan takes in air from the top of the shell 1, and the air outlet 11 blows the air flow onto the reflector to prevent the reflector from fogging up and causing blurred vision for the doctor; turn on the LED light 10 at the front end of the shell 1, and its switch is set above the shell 1 to provide a lighting source for operation; the patient can hold the cylindrical handle 7 set at the rear end of the shell 1 to facilitate related operations.

[0045] Although the above describes the specific implementation mode of the present invention in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present invention. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art on the basis of the technical solution of the present invention without creative work are still within the scope of protection of the present invention.

Claims

1. An orthodontic photography hook and reflector fixing device, characterized in that: It comprises: a shell and mechanical arms respectively arranged on both sides of the shell, the mechanical arms comprising a fixed arm, a rotating arm and a hook installation arm, one end of the fixed arm is arranged on the side of the shell, the other end of the fixed arm is hinged with one end of the rotating arm to form a first joint, and the other end of the rotating arm is hinged with the hook installation arm to form a second joint; a hook clamp is arranged on the hook installation arm; the cross section of the hook clamp is U-shaped, and non-slip rubber is arranged inside the hook clamp, one side of the hook clamp is fixedly connected to the hook installation arm, and a bayonet is arranged at the opening position, and a buckle is arranged near the opening position on the other side, and the bayonet and the buckle are arranged opposite to each other; The fixed arm and the rotating arm at the first joint are provided with an articulated seat, and the articulated seats of the fixed arm and the rotating arm are provided with a plurality of mutually engageable limiting teeth. The hook mounting arm and the rotating arm at the second joint are provided with an articulated seat, and the articulated seats of the hook mounting arm and the rotating arm are provided with mutually engageable limiting teeth for fixing and adjusting the angle between the fixed arm, the rotating arm and the hook mounting arm.

2. An orthodontic photography hook and reflector fixing device as claimed in claim 1, characterized in that: The limiting teeth are respectively arranged on the hinge seats of the fixed arm, the rotating arm and the hook installation arm; the limiting teeth are circumferentially distributed on the hinge seat around the center of the hinge seat, and the axes of several limiting teeth intersect at the center of the hinge seat.

3. The orthodontic photography hook and reflector fixing device according to claim 1, characterized in that: The first joint and the second joint are both provided with clamping bolts, the hinged positions on the fixed arm and the hook mounting arm are provided with threaded holes, and both ends of the rotating arm are provided with light holes for passing the clamping bolts.

4. The orthodontic photography hook and reflector fixing device according to claim 1, characterized in that: A laser is arranged at the middle position of the front end of the shell, and the laser can emit light to determine whether the hook is at a correct angle.

5. The orthodontic photography hook and reflector fixing device according to claim 1, characterized in that: A reflector socket is arranged at the front end of the housing, and the reflector socket is arranged below the centering device. A friction damping device is arranged in the reflector socket for fixing the reflector.

6. The orthodontic photography hook and reflector fixing device according to claim 5, characterized in that: The friction damping device is composed of two rubber pads, on which a plurality of rubber hemispheres are arranged; the two rubber pads are fixedly arranged on the inner walls on both sides of the reflector socket, and the reflector is inserted between the two rubber pads.

7. The orthodontic photography hook and reflector fixing device according to claim 1, characterized in that: A fan is also arranged in the shell, the air outlet of the fan is arranged above the reflector plug-in, and the air inlet of the fan is arranged above the shell.

8. The orthodontic photography hook and reflector fixing device according to claim 7, characterized in that: The front end of the shell is also provided with an LED lamp for providing an illumination light source; the upper part of the shell is provided with a light source switch and a fan switch of the LED lamp.

9. The orthodontic photography hook and reflector fixing device according to claim 1, characterized in that: A cylindrical handle is arranged at the rear end of the shell, and an anti-slip gripping rubber strip is arranged on the handle.

10. A method for using the orthodontic photography hook and reflector fixing device according to any one of claims 2 to 9, characterized in that: include: S1. Install the hook to be used into the hook clip on the hook mounting arm, use the bayonet of the hook clip to buckle with the buckle, and fix the hook in the hook clip with the help of the internal non-slip rubber; insert the reflector into the reflector socket set at the front end of the housing; S2. According to actual use requirements, adjust the position of the rotating arm relative to the fixed arm. During the adjustment process, the rotating arm rotates around the first joint. When it rotates to a suitable angle, it is initially positioned by relying on the mutually meshing limit teeth on the hinge seats of the fixed arm and the rotating arm, and then the angle between the fixed arm and the rotating arm is fixed by tightening the clamping bolts; when correction is required, turn on the laser at the middle position of the front end of the shell, the laser emits light and projects it onto the patient's teeth, and judge whether the retractor is at the correct angle by observing the projection position of the light on the teeth. If the angle is found to be deviated, fine-tune the angles at the first joint and the second joint again for correction; S3. Rotate the hook mounting arm so that it rotates around the second joint. When it rotates to an angle that meets the actual use requirements, it is positioned by the limiting teeth on the hinge seat of the hook mounting arm and the rotating arm, and then the angle between the hook mounting arm and the rotating arm is fixed by the clamping bolt, and the hook is fixed at the desired position by the hook mounting arm; S4. During use, turn on the fan set in the shell and turn on the LED light at the front end of the shell; the patient can hold the cylindrical handle set at the rear end of the shell to facilitate related operations.

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