Expansion device for oral examination
By designing an oral examination expansion device, using the spacing adjustment components and rubber slings, the problem of patients' difficulty in opening their mouths and devices for a long time is solved, achieving convenient oral examination operations and better visual field effect.
Patent Information
- Application Number
- CN202420721987.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-09
AI Technical Summary
In the current oral examination, it is difficult for the patient to maintain a mouth-opening state for a long time. The doctor needs to use vigorous operation to pull the cheeks through the oral mirror, and the expansion device can easily block the line of sight, which affects the examination effect.
A oral examination expansion device is designed, including the first and second mounting plates. Through the coordination of the spacing adjustment assembly and the snail, the spacing is adjusted using a bidirectional screw and a knob. The snail is made of rubber material, with a convex column and The grooves are easy to disassemble, and the guide rod and limit block ensure stable lifting, reduce concealment and enhance operational convenience.
It realizes convenient oral opening operation, reduces the intensity of the doctor's operation, avoids obstruction of vision, improves the convenience and field of vision, and enhances the patient's experience.
Smart Images

Figure CN222237629U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oral cavity inspection, in particular to an oral cavity inspection expansion device. Background Art
[0002] Through oral examination, early caries in the mouth, or some early inflammation of the gums and periodontal tissues can be discovered early, so that early intervention and treatment can be carried out to protect patients from oral diseases.
[0003] In the existing oral examination, the doctor usually holds the mouth mirror in the left hand, pulls the cheek and pushes the tongue to directly observe the part to be examined, and then holds the probe in the right hand to examine the points, gaps, fissures, grooves and caries on the tooth surface. Especially for some parts close to wisdom teeth, since the patient cannot keep his mouth open for a long time, the doctor needs to maintain a large force to pull the cheek through the mouth mirror, which is not convenient for the expansion operation. In addition, some oral examination expansion devices have components in the middle, which are easy to block the inspection line of sight, which is not conducive to the inspection. Utility Model Content
[0004] 1. Technical Problems Solved
[0005] The technical problem to be solved by the utility model is that the patient cannot keep the mouth open for a long time, it is inconvenient for the doctor to pull the cheek through the mouth mirror for a long time, and the oral examination expansion device is easy to block the inspection line of sight, which is not conducive to observation.
[0006] 2. Technical Solution
[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: an oral inspection and expansion device, including a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are respectively connected to a connecting plate on the same side, a clamping plate that cooperates with the oral cavity is connected to the connecting plate, a spacing adjustment component is connected between the first mounting plate and the second mounting plate, and the spacing adjustment component includes a slide groove connected to both sides of the first mounting plate, a bidirectional screw is rotatably passed through the slide groove and connected, one end of the bidirectional screw rotates through the first mounting plate and is connected to the end with a knob, the bidirectional screw is located in the slide groove and is provided with a sliding sleeve through a threaded connection, the sliding sleeve is slidably matched with the slide groove, and a hinge rod is respectively hinged on the sliding sleeve, and the other end of the hinge rod is respectively hinged to the second mounting plate.
[0008] Furthermore, the knob is provided with anti-skid patterns on its circumferential connection. The provision of the anti-skid patterns facilitates increasing the friction between the hand and the knob, thereby avoiding slippage and facilitating effective driving.
[0009] Furthermore, the connecting plate is provided with a plurality of bosses, the diameter of the free end of the bosses is larger than the diameter of the root of the bosses, the card plate is made of rubber material, and a plurality of grooves which cooperate with the bosses are relatively connected to the card plate. The arrangement of the bosses and the grooves facilitates the disassembly and installation of the card plate, and the rubber card plate facilitates improving the patient's experience.
[0010] Furthermore, the card plate is connected to the outside with a convex eave, and the provision of the convex eave makes it easy for the card plate to fit the gums and limit the convex eave through the outer lip to prevent the card plate from directly detaching from the lip.
[0011] Furthermore, the connecting plate is provided with a through hole for convenient observation to avoid affecting the line of sight.
[0012] Furthermore, guide rods are respectively connected to both sides of the first mounting plate, and guide holes are relatively connected on the second mounting plate. The guide rods slide through the guide holes and are connected to the ends thereof with limit blocks. The coordinated arrangement of the guide rods, guide holes and limit blocks facilitates guiding the spacing adjustment between the first mounting plate and the second mounting plate, and facilitates the spacing adjustment component to drive the first mounting plate or the second mounting plate to be stably lifted or lowered.
[0013] 3. Beneficial Effects
[0014] The advantages of the utility model compared with the prior art are:
[0015] The bidirectional screw is adjusted by a knob to drive the first mounting plate and the second mounting plate to adjust the distance. The first mounting plate and the second mounting plate drive the card plate to open the outer lips of the oral cavity through the connecting plate, thereby facilitating the opening of the patient's oral cavity for easy observation. The knob operating lever is located on the side of the device for easy operation. There are few obstructions in the middle of the device to avoid affecting the doctor's line of sight. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a structural schematic diagram of an oral cavity inspection and expansion device.
[0017] Figure 2 The utility model is a cross-sectional structural schematic diagram of an oral cavity inspection expansion device.
[0018] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of A.
[0019] Figure 4 The utility model is a schematic diagram of the connection structure of a clamping plate and a connecting plate in an oral cavity inspection and expansion device.
[0020] As shown in the figure: 1. First mounting plate, 2. Second mounting plate, 3. Connecting plate, 4. Card plate, 5. Slide groove, 6. Bidirectional screw, 7. Knob, 8. Sliding sleeve, 9. Hinge rod, 10. Boss, 11. Groove, 12. Eaves, 13. Through hole, 14. Guide rod, 15. Limit block, 16. Guide hole. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] Embodiment 1
[0023] Combined with Figure 1 , Figure 2 and Figure 3 , an oral inspection expansion device comprises a first mounting plate 1 and a second mounting plate 2, the first mounting plate 1 and the second mounting plate 2 are respectively connected with a connecting plate 3 on the same side, the connecting plate 3 is connected with a through hole 13 for convenient observation, the connecting plate 3 is connected with a clamping plate 4 that matches the oral cavity, the clamping plate 4 is connected with a convex eave 12 on the opposite outer side, a spacing adjustment component is connected between the first mounting plate 1 and the second mounting plate 2, the spacing adjustment component comprises a slide 5 connected to both sides of the first mounting plate 1, a bidirectional screw 6 is rotatably connected and penetrated in the slide 5, One end of the bidirectional screw 6 rotates through the first mounting plate 1 and is connected to a knob 7 at the end. The knob 7 is circumferentially connected with anti-slip grooves. The bidirectional screw 6 is located in the slide groove 5 and is provided with a sliding sleeve 8 through a threaded connection. The sliding sleeve 8 slides with the slide groove 5. The sliding sleeve 8 is hinged with a hinge rod 9, and the other end of the hinge rod 9 is hinged to the second mounting plate 2. Guide rods 14 are respectively connected on both sides of the first mounting plate 1. Guide holes 16 are relatively connected on the second mounting plate 2. The guide rod 14 slides through the guide hole 16 and is connected to a limit block 15 at the end.
[0024] Through the coordinated arrangement of the knob 7, the bidirectional screw 6, the sleeve 8, the slide groove 5, and the hinge rod 9 in the above structure, it is convenient to adjust the bidirectional screw 6 by the knob 7 to drive the first mounting plate 1 and the second mounting plate 2 to adjust the spacing, and the first mounting plate 1 and the second mounting plate 2 drive the clamping plate 4 to open the outer lips of the oral cavity through the connecting plate 3.
[0025] Embodiment 2
[0026] Based on the first embodiment, combined with the attached Figure 4The connecting plate 3 is connected with a plurality of bosses 10, the diameter of the free end of the boss 10 is larger than the diameter of the root of the boss 10, the card plate 4 is made of rubber, and the card plate 4 is relatively connected with a plurality of grooves 11 that cooperate with the bosses 10.
[0027] The matching arrangement of the connecting plate 3 , the protruding column 10 , and the groove 11 facilitates the disassembly and installation of the card plate 4 , and facilitates the replacement and maintenance of the card plate 4 .
[0028] The specific usage is as follows:
[0029] First, place the card plate 4 on the second mounting plate 2 against the lower gum of the patient's mouth, place the card plate 4 on the first mounting plate 1 against the upper part of the oral cavity, and then turn the knob 7. The knob 7 drives the bidirectional screw 6 to rotate. The bidirectional screw 6 drives the sliding sleeve 8 to move away from each other along the sliding groove 5 through the threaded connection with the sliding sleeve 8. The distance between the first mounting plate 1 and the second mounting plate 2 increases. Since the second mounting plate 2 has been abutted and fixed, the first mounting plate 1 drives the card plate 4 to move upward through the connecting plate 3. Through the cooperation of the guide rod 14, the guide hole 16 and the limit block 15 The arrangement facilitates guiding the distance adjustment of the first mounting plate 1 and the second mounting plate 2, and facilitates the distance adjustment component to drive the first mounting plate 1 to be stably raised and lowered, so that the clamping plate 4 of the first mounting plate 1 can stretch and limit the upper gum; the arrangement of the convex eaves 12 facilitates the clamping plate 4 to fit the gums and limit the convex eaves 12 through the outer lip to prevent the clamping plate 4 from directly detaching from the lip; the arrangement of the convex column 10 and the groove 11 facilitates the disassembly and installation of the clamping plate 4, and facilitates subsequent maintenance and replacement. The rubber clamping plate 4 facilitates improving the patient's experience.
[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0031] 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.
[0032] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. An oral inspection expansion device, comprising a first mounting plate (1) and a second mounting plate (2), characterized in that: The first mounting plate (1) and the second mounting plate (2) are respectively connected to a connecting plate (3) on the same side, and a card plate (4) that cooperates with the oral cavity is connected to the connecting plate (3). A spacing adjustment component is connected between the first mounting plate (1) and the second mounting plate (2), and the spacing adjustment component includes a slide groove (5) connected to both sides of the first mounting plate (1), and a bidirectional screw rod (6) is rotatably passed through the slide groove (5). One end of the bidirectional screw rod (6) rotates through the first mounting plate (1) and is connected to a knob (7) at the end. The bidirectional screw rod (6) is located in the slide groove (5) and is provided with a sliding sleeve (8) through a threaded connection. The sliding sleeve (8) is slidably matched with the slide groove (5), and a hinge rod (9) is respectively hinged on the sliding sleeve (8), and the other end of the hinge rod (9) is respectively hinged to the second mounting plate (2).
2. An oral inspection expansion device according to claim 1, characterized in that: The knob (7) is circumferentially connected with anti-slip grooves.
3. The oral cavity inspection expansion device according to claim 1, characterized in that: The connecting plate (3) is provided with a plurality of bosses (10) connected thereto, the diameter of the free end of the bosses (10) being larger than the diameter of the root of the bosses (10), the clamping plate (4) being made of rubber material, and the clamping plate (4) being provided with a plurality of grooves (11) corresponding to the bosses (10) connected thereto.
4. The oral cavity inspection expansion device according to claim 1, characterized in that: The clamping plate (4) is connected to the outer side thereof and is provided with a convex eave (12).
5. The oral cavity inspection expansion device according to claim 1, characterized in that: The connecting plate (3) is provided with a through hole (13) for easy observation.
6. The oral cavity inspection expansion device according to claim 1, characterized in that: Guide rods (14) are respectively connected to both sides of the first mounting plate (1), and guide holes (16) are relatively connected to the second mounting plate (2). The guide rods (14) slide through the guide holes (16) and are connected to the ends thereof with limit blocks (15).
