Mouth opening device

Abstract

The utility model discloses a mouth distraction device, which relates to the technical field of oral medicine instruments, and comprises an upper support frame, a connecting plate I is arranged at the lower end of the upper support frame, a connecting plate II is arranged at the lower end of the upper support frame, when the mouth distraction device is used, the mouth distraction device is placed in the oral cavity of a patient through a sliding column and a moving block, and the upper teeth clench the upper support frame, so that the mouth distraction device is fixed. A medical worker screws a rotating rod to drive a lead screw to rotate, the lead screw rotates to drive a moving block to move, a sliding column moves backwards along a sliding rail, and along with movement of the sliding column, the included angle between the upper supporting frame and the lower supporting frame is enlarged, so that the mouth of a patient is opened, the structure is simple, and the manufacturing cost is low; when the mouth opening device is used for opening the mouth, the lamp bead is started to illuminate the interior of the oral cavity, oral cavity examination is facilitated, the teeth are in contact with the gaskets through the gaskets, the anti-skid effect is good, the teeth are limited through the abutting plate, and the mouth opening device is prevented from being separated from the teeth.

Description

Technical Field

[0001] The utility model relates to the technical field of oral medical instruments, in particular to a mouth opening device. Background Art

[0002] Oral examination is one of the examinations that medical staff conduct on patients, and it is related to our physical health. During the oral examination of the patient, the patient is required to open his mouth for a period of time. However, there is no object exerting force on the patient's mouth during the process of opening his mouth. Opening the mouth for a long time will cause fatigue to the patient's mouth and make it uncomfortable.

[0003] China Utility Model Patent Publication No.: CN 213488710 U, discloses: a mouth opening device for oral care, the mouth opening device for oral care, the device is placed in the patient's mouth, the patient's teeth are bitten on the surface of the first fixed pad and the second fixed pad, the upper bite plate and the lower bite plate are subjected to force, the rotating adjustment ring drives the rotating shaft and the micro gear to rotate in turn, thereby driving the lifting column to rise, so that the upper bite plate and the lower bite plate are opened, and the squeeze rod is fixed in the form of squeezing, which is convenient for adjusting the size of the mouth opening, and the U-shaped protective pad can protect the patient's mouth muscle tissue during use to avoid damage caused by the hinge. The device has a relatively simple structure and is relatively convenient to use, but a sleeve is provided in the middle of the mouth opening device. When the device opens the patient's mouth, the sleeve is located in the center of the patient's mouth, which will affect the inspection effect. Utility Model Content

[0004] The purpose of the utility model is to provide a mouth opening device, which can solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mouth opening device, comprising an upper support frame, a connecting plate 1 is provided at the lower end of the upper support frame, a connecting plate 2 is provided at the lower end of the upper support frame, the front end of the connecting plate 2 is rotatably connected to a screw rod, the front end of the screw rod is fixedly connected to a rotating rod, a moving block is provided on the outer side of the screw rod, the upper and lower ends of the moving block are fixedly connected to a sliding column, a lower support frame is provided below the upper support frame, and the upper end of the lower support frame is fixedly connected to a battery.

[0006] Preferably, the upper support frame includes a top plate, a contact plate, a gasket, a lamp bead, a slide rail and a swivel seat, the upper end of the top plate is fixedly connected to the contact plate, the upper end of the top plate is fixedly connected to the gasket, the lower end of the top plate is fixedly connected to the lamp bead, the lower end of the top plate is fixedly connected to the slide rail, and the rear end of the top plate is fixedly connected to the swivel seat.

[0007] Preferably, the upper support frame is in a "U"-shaped structure, and the top plate is made of 316 stainless steel.

[0008] Preferably, the gasket is made of silicone rubber, and three identical lamp beads are provided.

[0009] Preferably, the upper support frame has the same structure as the lower support frame, and the upper support frame is rotatably connected to the lower support frame via a connecting plate 1 and a connecting plate 2.

[0010] Preferably, the screw rod is threadedly connected to the moving block, and the sliding column is slidably connected to the sliding rail.

[0011] Preferably, the battery is electrically connected to the lamp bead, and the structure of the connecting plate 1 is the same as that of the connecting plate 2.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a "U"-shaped upper support frame that matches the teeth and provides support for the teeth. The top plate is made of 316 stainless steel, which is easy to clean. The teeth are in contact with the gasket through the provided gasket, which has a good anti-slip effect. The provided contact plate provides a limit for the teeth to prevent the mouth opening device from being separated from the teeth.

[0014] The utility model uses a sliding column and a moving block. When in use, the mouth opening device is placed in the patient's oral cavity, the upper teeth bite the upper support frame, and the lower teeth bite the lower support frame. The medical staff twists the rotating rod to drive the screw rod to rotate, and the rotation of the screw rod drives the moving block to move, and the sliding column moves backward along the slide rail. With the movement of the sliding column, the angle between the upper support frame and the lower support frame is expanded, thereby opening the patient's mouth. The structure is relatively simple and the manufacturing cost is low. Through the provided lamp beads and batteries, the lamp beads can be started to illuminate the oral cavity when the mouth is opened, which is convenient for oral examination. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 The structure of the utility model in the expanded state is shown in FIG. Figure 1 ;

[0018] Figure 4 The structure of the utility model in the expanded state is shown in FIG. Figure 2 ;

[0019] Figure 5 It is a schematic diagram of the split structure of the utility model.

[0020] Among them: 1. Upper support frame; 101. Top plate; 102. Resistance plate; 103. Gasket; 104. Lamp beads; 105. Slide rail; 106. Turntable; 2. Connecting plate 1; 3. Connecting plate 2; 4. Screw rod; 5. Turn rod; 6. Moving block; 7. Sliding column; 8. Lower support frame; 9. Battery. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1-4 The figure shows a mouth opening device, including an upper support frame 1, a connecting plate 2 is provided at the lower end of the upper support frame 1, a connecting plate 2 3 is provided at the lower end of the upper support frame 1, the front end of the connecting plate 2 3 is rotatably connected to a screw rod 4, the front end of the screw rod 4 is fixedly connected to a rotating rod 5, a moving block 6 is provided on the outer side of the screw rod 4, the upper and lower ends of the moving block 6 are fixedly connected to a sliding column 7, a lower support frame 8 is provided below the upper support frame 1, and the upper end of the lower support frame 8 is fixedly connected to a battery 9.

[0024] See also Figure 1-5 In the figure, the upper support frame 1 includes a top plate 101, a contact plate 102, a gasket 103, a lamp bead 104, a slide rail 105 and a swivel seat 106. The upper end of the top plate 101 is fixedly connected to the contact plate 102, the upper end of the top plate 101 is fixedly connected to the gasket 103, the lower end of the top plate 101 is fixedly connected to the lamp bead 104, the lower end of the top plate 101 is fixedly connected to the slide rail 105, and the rear end of the top plate 101 is fixedly connected to the swivel seat 106.

[0025] In this embodiment, the upper support frame 1 and the lower support frame 8 are provided to provide support for the teeth and to open the patient's mouth.

[0026] Working principle: when in use, place the mouth opening device in the patient's mouth, the upper teeth bite the upper support frame 1, the lower teeth bite the lower support frame 8, the medical staff twists the rotating rod 5 to drive the screw rod 4 to rotate, the rotation of the screw rod 4 drives the moving block 6 to move, and the slide column 7 moves backward along the slide rail 105. With the movement of the slide column 7, the angle between the upper support frame 1 and the lower support frame 8 is expanded, thereby opening the patient's mouth. When conducting an oral examination, the lamp bead 104 is started to illuminate the oral cavity, which is more practical. Through the set gasket 103, the teeth are in contact with the gasket 103, and the anti-slip effect is good. The set contact plate 102 provides a limit for the teeth to prevent the mouth opening device from detaching from the teeth.

[0027] Example 2

[0028] See also Figure 1-5 This embodiment further explains Example 1. In the figure, the upper support frame 1 is a "U"-shaped structure, and the top plate 101 is made of 316 stainless steel.

[0029] In this embodiment: the "U"-shaped upper support frame 1 is matched with the teeth to provide support for the teeth, and the top plate 101 is made of 316 stainless steel, which is easy to clean.

[0030] See also Figure 3-5 In the figure, the gasket 103 is made of silicone rubber, and three identical lamp beads 104 are provided.

[0031] In this embodiment: through the provided gasket 103, the teeth are in contact with the gasket 103, and the anti-slip effect is good. Through the provided contact plate 102, a limit is provided for the teeth to prevent the mouth opening device from being separated from the teeth.

[0032] See also Figure 3-5 In the figure, the upper support frame 1 has the same structure as the lower support frame 8, and the upper support frame 1 is rotatably connected to the lower support frame 8 through a connecting plate 1 2 and a connecting plate 2 3.

[0033] In this embodiment, the upper support frame 1 is connected to the lower support frame 8 by means of the connecting plate 1 2 and the connecting plate 2 3 , which has a simple structure and is easy to promote.

[0034] See also Figure 3-5 In the figure, the screw rod 4 is threadedly connected to the moving block 6, and the slide column 7 is slidably connected to the slide rail 105.

[0035] In this embodiment: by providing a sliding column 7 and a moving block 6, the mouth opening device is placed in the patient's oral cavity when in use, the upper teeth bite the upper support frame 1, and the lower teeth bite the lower support frame 8. The medical staff twists the rotating rod 5 to drive the screw rod 4 to rotate, and the rotation of the screw rod 4 drives the moving block 6 to move. The sliding column 7 moves backward along the slide rail 105. As the sliding column 7 moves, the angle between the upper support frame 1 and the lower support frame 8 expands, thereby opening the patient's mouth. The structure is relatively simple and the manufacturing cost is low.

[0036] See also Figure 3-5 In the figure, the battery 9 is electrically connected to the lamp bead 104, and the structure of the connecting plate 1 2 and the connecting plate 2 3 are the same.

[0037] In this embodiment, by means of the provided lamp beads 104 and the battery 9, when the mouth is opened, the lamp beads 104 are activated to illuminate the oral cavity, thereby facilitating oral examination.

[0038] 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.

[0039] Although embodiments of the present invention have been shown and described, it will be understood 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 the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mouth opening device, comprising an upper support frame (1), characterized in that: A connecting plate 1 (2) is provided at the lower end of the upper support frame (1), and a connecting plate 2 (3) is provided at the lower end of the upper support frame (1). The front end of the connecting plate 2 (3) is rotatably connected to a screw rod (4), and the front end of the screw rod (4) is fixedly connected to a rotating rod (5). A moving block (6) is provided on the outer side of the screw rod (4), and the upper and lower ends of the moving block (6) are fixedly connected to a sliding column (7). A lower support frame (8) is provided below the upper support frame (1), and the upper end of the lower support frame (8) is fixedly connected to a battery (9).

2. A mouth opening device according to claim 1, characterized in that: The upper support frame (1) comprises a top plate (101), a contact plate (102), a gasket (103), a lamp bead (104), a slide rail (105) and a swivel seat (106); the upper end of the top plate (101) is fixedly connected to the contact plate (102), the upper end of the top plate (101) is fixedly connected to the gasket (103), the lower end of the top plate (101) is fixedly connected to the lamp bead (104), the lower end of the top plate (101) is fixedly connected to the slide rail (105), and the rear end of the top plate (101) is fixedly connected to the swivel seat (106).

3. A mouth opening device according to claim 2, characterized in that: The upper support frame (1) is in a "U"-shaped structure, and the top plate (101) is made of 316 stainless steel.

4. A mouth opening device according to claim 3, characterized in that: The gasket (103) is made of silicone rubber, and three identical lamp beads (104) are provided.

5. A mouth opening device according to claim 4, characterized in that: The upper support frame (1) and the lower support frame (8) have the same structure, and the upper support frame (1) is rotatably connected to the lower support frame (8) via a connecting plate 1 (2) and a connecting plate 2 (3).

6. A mouth opening device according to claim 5, characterized in that: The screw rod (4) is threadedly connected to the moving block (6), and the sliding column (7) is slidably connected to the sliding rail (105).

7. A mouth opening device according to claim 6, characterized in that: The battery (9) is electrically connected to the lamp bead (104), and the structure of the connecting plate 1 (2) and the connecting plate 2 (3) is the same.

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