Bacteriostatic oral cavity expanding device for oral cavity examination

Abstract

The invention discloses a bacteriostatic oral cavity expanding and supporting device for oral cavity examination, belongs to the technical field of oral cavity examination, and aims to solve the problems that time and labor are wasted when oral cavity supporting pincers are held by hands for a long time, the condition of hand soreness is easy to occur, and the practicability is poor, the bacteriostatic oral cavity expanding and supporting device comprises a frame, and fixing rods are fixed to the two sides of one side face of the frame respectively; one side surface of the fixing rod is movably connected with two rotating shafts; the swing rod is fixed to the outer side wall of the rotating shaft, a limiting column is fixed to one side face of the swing rod, and a movable sleeve is movably clamped to the outer side wall of the limiting column; the two pushing cams can synchronously push the double-sided racks on the two sides to move, through the arranged double-sided racks and gears, the two swing rods on the same side can get away from each other or get close to each other, then the oral cavity is expanded, through the arranged first springs, when a rotating ring is reversely rotated, the first springs can pull the double-sided racks to reset, and therefore the oral cavity is expanded. Therefore, the oral cavity of the patient can be conveniently expanded in a labor-saving manner, and the practicability of the device is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of oral examination, and in particular relates to an oral cavity expansion device for antibacterial oral examination. Background Art

[0002] Oral examination is an important part of maintaining oral health. It can help us detect oral problems early, take timely treatment measures, and prevent further development of oral diseases. Oral examination usually includes examination of teeth, gums, oral mucosa, tongue, salivary glands and other parts. The doctor will first observe the appearance of the teeth to check whether there are caries, missing teeth, tooth wear, tooth discoloration, etc. Caries is one of the most common oral problems. If not treated in time, it will gradually destroy the structure of the teeth and cause serious consequences such as toothache and pulp infection. The health of the gums is also one of the focuses of oral examination. The doctor will check whether the gums are red, swollen, bleeding, and shrunken. Gingivitis and periodontitis are common gum diseases that can cause gum pain, loose teeth, and even fall off. Examination of the oral mucosa can detect lesions such as oral ulcers, leukoplakia, and erythema. These lesions may be benign or malignant, and early detection and diagnosis are critical for treatment. Examination of the tongue can help detect problems such as glossitis and abnormal tongue coating. Your doctor will also check your salivary glands to see if they are functioning properly and if you are producing enough saliva, which plays an important role in cleaning your mouth and digestion.

[0003] When using the existing antibacterial oral expansion device for oral examination, medical staff usually use oral support forceps to expand and support the patient's mouth. However, when using it, medical staff need to hold the oral support forceps for a long time, which is time-consuming and laborious, and it is easy to get sore hands, which is not practical.

[0004] Therefore, there is a need for an antibacterial oral expansion device for oral examination to solve the problems in the prior art of long-term holding of oral support forceps, which is time-consuming and laborious, and easily causes hand soreness, and has poor practicality. Summary of the invention

[0005] The object of the present invention is to provide an antibacterial oral cavity expansion device for oral cavity inspection to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an antibacterial oral cavity expansion device for oral cavity inspection, comprising a frame, a fixing rod is fixed to both sides of a side of the frame, and a side of the fixing rod is movably connected to two rotating shafts; A swing rod is fixed to the outer side wall of the rotating shaft, a limiting column is fixed to one side of the swing rod, and a movable sleeve is movably engaged with the outer side wall of the limiting column; A gear is fixed to the outer wall of the rotating shaft, and the inner walls of the frame are respectively provided with openings close to one side thereof; A double-sided rack is movably engaged in the opening, and the upper and lower gears are respectively engaged with the corresponding double-sided racks. A pulley is fixed at one end of the double-sided rack, and two pushing cams matching the pulleys are arranged inside the frame.

[0007] Furthermore, a mounting plate is fixed to the other end of the double-sided rack, first springs are respectively fixed to both sides of the mounting plate close to a side surface of the frame, and one end of the first spring is fixed to an outer side wall of the frame.

[0008] Furthermore, a toothed ring is fixed on one side of the push cam, the two toothed rings are meshed, a plurality of circumferentially distributed connecting columns are fixed on one side of the toothed ring, and a rotating ring is fixed on one side of the plurality of connecting columns.

[0009] Furthermore, first engaging blocks are fixed to the inner side walls of the openings close to one side, first side grooves are respectively formed on the two opposite side surfaces of the double-sided rack, and the first side grooves are correspondingly and movably engaged in the first engaging blocks.

[0010] Furthermore, a limiting groove is provided on the other side of the pushing cam, two fixing plates are fixed on the top and bottom surfaces of the inner wall of the frame respectively, a limiting ring is fixed on one side of the two fixing plates, and the limiting ring is movably engaged with the limiting groove.

[0011] Furthermore, a clamping rod is fixed on one side of the bottom surface of the frame, a docking tooth is movably engaged in the clamping rod, and one end of the docking tooth is engaged with the toothed ring on one side.

[0012] Furthermore, second engaging blocks are fixed to the inner side walls of the engaging rods close to one side, and second side grooves are respectively formed on the two opposite side surfaces of the outer side walls of the engaging rods, and the second side grooves are movably engaged with the second engaging blocks.

[0013] Furthermore, positioning plates are respectively fixed to the bottoms of the two opposite side surfaces of the docking teeth, a second spring is fixed to the top surface of the positioning plate, and the top end of the second spring is fixed to the bottom surface of the engaging rod.

[0014] Furthermore, the cross section of the limiting ring is a T-shaped structure.

[0015] Furthermore, the engaging rod is an L-shaped structure.

[0016] Compared with the prior art, the present invention provides an antibacterial oral cavity expansion device for oral examination, which has at least the following beneficial effects: (1) By setting two toothed rings, the two push cams can rotate in a clockwise and counterclockwise direction, so that the two push cams can synchronously push the double-sided racks on both sides to move. By setting the double-sided racks and gears, the two swinging rods on the same side can move away from or close to each other, so as to achieve the expansion of the oral cavity. By setting the first spring, when the rotating ring is rotated in the opposite direction, the first spring can pull the double-sided racks to reset, so as to reset the swinging rod, so that the patient's oral cavity can be expanded and supported conveniently and labor-savingly, thereby improving the practicality of the device.

[0017] (2) By providing a movable sleeve and a limiting column, when the device expands the patient's mouth, the movable sleeve is in tight contact with the patient's teeth and the limiting column rotates, thereby protecting the patient's teeth and avoiding damage to the patient's teeth.

[0018] (3) The position of the toothed ring can be fixed by the provided docking teeth and the second spring, thereby being able to expand and support the patient's oral cavity for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the fixing rod structure of the present invention; Figure 3 This is a schematic diagram of the cross-sectional structure of the push cam of the present invention; Figure 4 This is a schematic diagram of the first side groove structure of the present invention; Figure 5 For the present invention Figure 4 A is a schematic diagram of the partially enlarged structure of the middle part; Figure 6 It is a schematic diagram of the cross-sectional structure of the movable sleeve of the present invention; Figure 7 It is a schematic diagram of the structure of the locking rod of the present invention.

[0020] In the figure: 100, frame; 101, fixed rod; 102, rotating shaft; 103, swing rod; 104, limit column; 105, movable sleeve; 200, opening; 201, double-sided rack; 202, gear; 300, first side groove; 301, first engaging block; 400, pushing cam; 401, toothed ring; 402, connecting column; 403, rotating ring; 404, pulley; 500, mounting plate; 501, first spring; 600, engaging rod; 601, docking tooth; 602, second side groove; 603, second engaging block; 604, positioning plate; 605, second spring; 700, limiting groove; 701, limiting ring; 702, fixing plate. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. It should be noted that, in the absence of conflict, the embodiments in the present disclosure and the features in the embodiments can be combined, separated, interchanged and / or rearranged with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0022] In the accompanying drawings, the size and relative size of components may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments may be implemented differently, a specific process sequence may be performed in a different order than described. For example, two successively described processes may be performed substantially simultaneously or in an order opposite to the order described. In addition, the same reference numerals represent the same components.

[0023] The terms used here are for the purpose of describing specific embodiments, and are not intended to be restrictive. As used here, unless the context clearly indicates otherwise, the singular forms "one (kind, person)" and "said (the)" are also intended to include plural forms. In addition, when the terms "comprise" and / or "include" and their variations are used in this specification, it is explained that there are stated features, integral bodies, steps, operations, parts, assemblies and / or their groups, but it is not excluded that there are or add one or more other features, integral bodies, steps, operations, parts, assemblies and / or their groups. It should also be noted that, as used here, the terms "substantially", "approximately" and other similar terms are used as approximate terms and not as degree terms, so that they are used to explain the inherent deviations of the measured values, calculated values ​​and / or the values ​​provided that will be recognized by those of ordinary skill in the art.

[0024] A specific embodiment of the present invention, as Figure 1-Figure 7 As shown, an antibacterial oral cavity expansion device for oral cavity inspection is disclosed, comprising a frame 100, wherein two sides of a side of the frame 100 are respectively fixed with fixed rods 101, and one side of the fixed rod 101 is movably connected with two rotating shafts 102; A swing rod 103 is fixed to the outer side wall of the rotating shaft 102. A limiting column 104 is fixed to one side of the swing rod 103. A movable sleeve 105 is movably engaged with the outer side wall of the limiting column 104. The gear 202 is fixed to the outer wall of the rotating shaft 102, and the inner wall of the frame 100 is provided with openings 200 near one side thereof; The double-sided rack 201 is movably engaged in the opening 200 , and the upper and lower gears 202 are respectively engaged with the corresponding double-sided rack 201 . A pulley 404 is fixed to one end of the double-sided rack 201 . Two pushing cams 400 cooperating with the pulley 404 are arranged inside the frame 100 .

[0025] As a further solution of the present invention, a mounting plate 500 is fixed to the other end of the double-sided rack 201 , and first springs 501 are fixed to both sides of the mounting plate 500 close to a side surface of the frame 100 , and one end of the first spring 501 is fixed to the outer wall of the frame 100 .

[0026] By setting the mounting plate 500, the first spring 501 can be fixed. By setting the first spring 501, when the oral cavity is expanded, the double-sided rack 201 can move outward so that the first spring 501 is stretched. When the oral cavity is not expanded, the first spring 501 can pull the double-sided rack 201 to reset.

[0027] As a further solution of the present invention, a toothed ring 401 is fixed to one side of the pushing cam 400, and the two toothed rings 401 are meshed. A plurality of circumferentially distributed connecting columns 402 are fixed to one side of the toothed ring 401, and a rotating ring 403 is fixed to one side of the plurality of connecting columns 402.

[0028] By setting two toothed rings 401, the push cams 400 on both sides can rotate in opposite directions, and then push the double-sided racks 201 on both sides outward to make the upper and lower gears 202 rotate, driving the upper and lower swing rods 103 to expand outward to expand the oral cavity.

[0029] As a further solution of the present invention, first locking blocks 301 are fixed on the inner side walls of the opening 200 close to one side, and first side grooves 300 are respectively opened on the opposite sides of the double-sided rack 201, and the first side grooves 300 are correspondingly and movably engaged in the first locking blocks 301.

[0030] By providing the first engaging block 301 and the first side groove 300 , the position of the double-sided rack 201 can be limited, thereby preventing the double-sided rack 201 from moving out of the opening 200 .

[0031] This solution has the following working process: when expanding the oral cavity, the medical staff first holds the device and places the four movable sleeves 105 between the patient's upper and lower teeth, and then the patient holds the frame 100. The medical staff pulls the docking tooth 601 with one hand to separate the docking tooth 601 from the toothed ring 401, and the position of the toothed ring 401 is unrestricted. At this time, the second spring 605 is stretched, and then the medical staff rotates the rotating ring 403 with the other hand. The rotation of the rotating ring 403 drives the connecting column 402 to rotate, and the rotation of the connecting column 402 drives the toothed ring 401 to rotate, and then drives another toothed ring 401 to rotate. The two toothed rings 401 rotate in a clockwise and counterclockwise direction. The rotation of the two toothed rings 401 drives the two push cams 400 to rotate in a clockwise and counterclockwise direction, so that the push cam 400 contacts the pulley 404 when rotating. The two double-sided racks 201 are pushed to move outward, and the movement of the double-sided racks 201 drives the upper and lower gears 202 on both sides to rotate, and finally the upper and lower swing rods 103 on both sides rotate outward respectively to expand the patient's mouth. At this time, the first spring 501 is stretched, and when the swing rod 103 rotates, the movable sleeve 105 is in tight contact with the patient's teeth, and the limiting column 104 rotates, so as not to cause damage to the patient's teeth. When the patient's mouth is expanded to a suitable size, the restriction on the docking tooth 601 is released. At this time, the second spring 605 pulls the docking tooth 601 to move, so that the docking tooth 601 engages with the toothed ring 401 to complete the expansion and fixation of the mouth. During the inspection, the medical staff observes the situation in the patient's mouth through the hole in the middle of the toothed ring 401, or places the inspection instrument in the patient's mouth through the hole in the middle of the toothed ring 401.

[0032] When removing the device, the medical staff pulls the docking tooth 601 again to separate the docking tooth 601 from the toothed ring 401, and then rotates the ring 403 in the opposite direction. The first spring 501 pulls the double-sided rack 201 to move and reset, and finally resets the four swing rods 103, and then the device can be removed.

[0033] According to the above working process, it can be known that: by setting the two toothed rings 401, the two pushing cams 400 can rotate in a clockwise and counterclockwise direction, so that the two pushing cams 400 can synchronously push the double-sided racks 201 on both sides to move, and by setting the double-sided racks 201 and the gear 202, the two swing rods 103 on the same side can move away from or close to each other, thereby realizing the expansion of the oral cavity, and by setting the first spring 501, when the rotating ring 403 is rotated in the opposite direction, the first spring 501 can pull the double-sided rack 201 to reset, thereby resetting the swing rod 103, so that the patient's oral cavity can be expanded and supported conveniently and labor-savingly, thereby improving the practicality of the device.

[0034] By providing the movable sleeve 105 and the limiting column 104, when the device expands the patient's mouth, the movable sleeve 105 is in tight contact with the patient's teeth and the limiting column 104 rotates, thereby protecting the patient's teeth and avoiding damage to the patient's teeth.

[0035] By providing the docking teeth 601 and the second spring 605, the position of the toothed ring 401 can be fixed, so that the patient's oral cavity can be expanded for a long time.

[0036] As a further solution of the present invention, a limiting groove 700 is provided on the other side of the pushing cam 400, and two fixing plates 702 are respectively fixed on the top and bottom surfaces of the inner wall of the frame 100, and a limiting ring 701 is fixed on one side of the two fixing plates 702, and the limiting ring 701 is movably engaged with the limiting groove 700.

[0037] By setting the limiting groove 700 and the limiting ring 701, the position of the pushing cam 400 can be movably limited, and by setting the fixing plate 702, the position of the limiting ring 701 can be fixed, thereby facilitating the movably limiting position of the pushing cam 400.

[0038] As a further solution of the present invention, a locking rod 600 is fixed to one side of the bottom surface of the frame 100, and a docking tooth 601 is movably engaged in the locking rod 600, and one end of the docking tooth 601 is engaged with the toothed ring 401 on one side.

[0039] By setting the engaging rod 600, the position of the docking tooth 601 can be movably limited, so that the docking tooth 601 and the toothed ring 401 can be engaged. By setting the docking tooth 601, the position of the toothed ring 401 can be limited, so that after the device expands the oral cavity, the position of the swing rod 103 can be fixed, so that the oral cavity can be expanded for a long time.

[0040] As a further solution of the present invention, the inner wall of the locking rod 600 is respectively fixed with a second locking block 603 on one side thereof, and the outer wall of the locking rod 600 is respectively provided with a second side groove 602 on two opposite sides thereof, and the second side groove 602 is movably engaged with the second locking block 603 .

[0041] By providing the second engaging block 603 and the second side groove 602 , the position of the docking tooth 601 can be movably limited, thereby preventing the docking tooth 601 from moving out of the engaging rod 600 .

[0042] As a further solution of the present invention, positioning plates 604 are fixed to the bottom of the two opposite sides of the docking teeth 601, and a second spring 605 is fixed to the top surface of the positioning plate 604. The top of the second spring 605 is fixed to the bottom surface of the locking rod 600.

[0043] The positioning plate 604 is provided so that the position of the second spring 605 can be fixed, and the second spring 605 is provided so that the docking tooth 601 can be stably engaged with the toothed ring 401, thereby facilitating the stable fixing of the toothed ring 401.

[0044] As a further solution of the present invention, the cross section of the limiting ring 701 is a T-shaped structure.

[0045] The position of the pushing cam 400 can be fixed by means of the limiting ring 701 .

[0046] As a further solution of the present invention, the engaging rod 600 is an L-shaped structure.

[0047] By providing the engaging rod 600 , the position of the docking teeth 601 can be movably limited.

[0048] In summary: when expanding the oral cavity, the medical staff first holds the device and places the four movable sleeves 105 between the patient's upper and lower teeth. Then the patient holds the frame 100. The medical staff pulls the docking tooth 601 with one hand to separate the docking tooth 601 from the toothed ring 401. The position of the toothed ring 401 is unrestricted. At this time, the second spring 605 is stretched. Then the medical staff rotates the rotating ring 403 with the other hand. The rotation of the rotating ring 403 drives the connecting column 402 to rotate. The rotation of the connecting column 402 drives the toothed ring 401 to rotate, and then drives another toothed ring 401 to rotate. The two toothed rings 401 rotate in a clockwise direction and a counterclockwise direction. The rotation of the two toothed rings 401 drives the two push cams 400 to rotate in a clockwise direction and a counterclockwise direction, so that the push cam 400 contacts the pulley 404 when rotating, pushing the two The double-sided rack 201 moves outward, and the movement of the double-sided rack 201 drives the upper and lower gears 202 on both sides to rotate, and finally the upper and lower swing rods 103 on both sides rotate outward respectively to expand the patient's mouth. At this time, the first spring 501 is stretched, and when the swing rod 103 rotates, the movable sleeve 105 is in tight contact with the patient's teeth, and the limiting column 104 rotates, so it will not cause damage to the patient's teeth. When the patient's mouth is expanded to a suitable size, the restriction on the docking tooth 601 is released. At this time, the second spring 605 pulls the docking tooth 601 to move, so that the docking tooth 601 engages with the toothed ring 401 to complete the expansion and fixation of the mouth. During the inspection, the medical staff observes the situation in the patient's mouth through the hole in the middle of the toothed ring 401, or places the inspection instrument in the patient's mouth through the hole in the middle of the toothed ring 401.

[0049] When removing the device, the medical staff pulls the docking tooth 601 again to separate the docking tooth 601 from the toothed ring 401, and then rotates the ring 403 in the opposite direction. The first spring 501 pulls the double-sided rack 201 to move and reset, and finally resets the four swing rods 103, and then the device can be removed.

[0050] 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. An antibacterial oral cavity expansion device for oral cavity inspection, comprising a frame (100), characterized in that: Fixed rods (101) are respectively fixed on both sides of a side surface of the frame (100), and two rotating shafts (102) are movably connected to a side surface of the fixed rod (101); A swing rod (103) is fixed to the outer side wall of the rotating shaft (102); a limiting column (104) is fixed to one side of the swing rod (103); and a movable sleeve (105) is movably engaged with the outer side wall of the limiting column (104); A gear (202) is fixed to the outer wall of the rotating shaft (102), and the inner walls of the frame (100) are respectively provided with openings (200) on one side thereof which are close to each other; A double-sided rack (201) is movably engaged in the opening (200); the upper and lower gears (202) are respectively engaged with the corresponding double-sided rack (201); a pulley (404) is fixed to one end of the double-sided rack (201); and two pushing cams (400) that cooperate with the pulley (404) are arranged inside the frame (100).

2. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 1, characterized in that: A mounting plate (500) is fixed to the other end of the double-sided rack (201), and first springs (501) are respectively fixed to both sides of a side surface of the mounting plate (500) close to the frame (100), and one end of the first spring (501) is fixed to the outer side wall of the frame (100).

3. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 2, characterized in that: A toothed ring (401) is fixed to one side of the push cam (400), the two toothed rings (401) are meshed, a plurality of circumferentially distributed connecting columns (402) are fixed to one side of the toothed ring (401), and a rotating ring (403) is fixed to one side of the plurality of connecting columns (402).

4. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 3, characterized in that: The inner side walls of the opening (200) are each fixed with a first engaging block (301) on one side thereof, and the two opposite side surfaces of the double-sided rack (201) are each provided with a first side groove (300), and the first side groove (300) is correspondingly and movably engaged in the first engaging block (301).

5. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 4, characterized in that: A limiting groove (700) is provided on the other side of the pushing cam (400), two fixing plates (702) are fixed to the top and bottom surfaces of the inner wall of the frame (100), respectively, and a limiting ring (701) is fixed to one side of the two fixing plates (702), and the limiting ring (701) is movably engaged with the limiting groove (700).

6. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 5, characterized in that: A locking rod (600) is fixed to one side of the bottom surface of the frame (100), a docking tooth (601) is movably engaged in the locking rod (600), and one end of the docking tooth (601) is engaged with the toothed ring (401) on one side.

7. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 6, characterized in that: Second engaging blocks (603) are fixed to the inner side walls of the engaging rod (600) on the sides close to each other, and second side grooves (602) are respectively formed on the opposite sides of the outer side walls of the engaging rod (600), and the second side grooves (602) are movably engaged with the second engaging blocks (603).

8. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 7, characterized in that: Positioning plates (604) are fixed to the bottom of the two opposite side surfaces of the docking teeth (601), a second spring (605) is fixed to the top surface of the positioning plate (604), and the top end of the second spring (605) is fixed to the bottom surface of the locking rod (600).

9. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 8, characterized in that: The cross section of the limiting ring (701) is a T-shaped structure.

10. The antibacterial oral cavity expansion device for oral cavity inspection according to claim 9, characterized in that: The engaging rod (600) is an L-shaped structure.

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