Oral cavity opening device

Abstract

The utility model discloses an oral cavity opening device which comprises a tongue pressing device and a palate supporting device, a rotary connecting piece is arranged at one end of the palate supporting device, and a rotary mounting structure is arranged at one end of the tongue pressing device. The rotating connecting piece is rotationally connected to the rotating mounting structure so that the tongue pressing device and the palate jacking device can form a V-shaped opening structure, a locking piece is arranged on the rotating mounting structure, a locking part is arranged on the rotating connecting piece, an operating piece is arranged on the tongue pressing device, and a locking part is arranged on the locking part. The locking piece is driven by the operating piece to have a locking state and an unlocking state. The oral cavity opening device, the tongue pressing device and the palate jacking device can form an opening structure with a proper opening angle, the opening structure is placed in the oral cavity of a patient, so that the oral cavity of the patient is kept in an opening state, and the tongue pressing device and the palate jacking device are located in the oral cavity of the patient, so that the patient can open the oral cavity. And the tooth operation of the patient is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an oral cavity opener. Background Art

[0002] Generally, when medical staff treat patients' mouths, teeth or throats, patients have to open their mouths wide. After a long time, patients drool, mainly because the masseter muscles are tense and the saliva secretion speed is increased. They may have to gargle many times and feel tired. It is very easy for them to bite the medical staff's hands when they suddenly close their mouths due to pain or tension. Especially when local anesthesia is performed in the mouth, patients lose control and often bite the medical staff's hands due to sudden closure of their mouths due to muscle tension, which may cause danger. Or the doctor's operating field is poor due to insufficient support of the oral muscles.

[0003] Therefore, it is necessary to use an oral opener to open the patient's mouth, such as the utility model patent application with the authorization announcement number CN217853363U, the authorization announcement date November 22, 2022, and the name of a conveniently adjustable oral opener, which includes a fixing mechanism and a supporting mechanism, and the supporting mechanism is arranged in the middle of the fixing mechanism. The utility model is provided with an upper jaw plate and a lower jaw plate, and the upper jaw plate and the lower jaw plate have good supporting capabilities. When used, the upper jaw plate and the lower jaw plate are respectively connected to the upper and lower teeth to support the oral cavity.

[0004] The existing oral cavity opener is arranged outside the oral cavity, so when treating the teeth, the oral cavity opener will block the operation of the dental operator, thereby affecting the operation of the operator. Utility Model Content

[0005] The purpose of the utility model is to provide a mouth opener to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An oral opener, comprising a tongue depressor and an upper palate supporter, wherein one end of the upper palate supporter is provided with a rotating connection piece, and one end of the tongue depressor is provided with a rotating mounting structure, wherein the rotating connection piece is rotatably connected to the rotating mounting structure so that the tongue depressor and the upper palate supporter form a V-shaped opening structure;

[0008] A locking piece is provided on the rotating mounting structure, a locking portion is provided on the rotating connecting piece, and an operating piece is provided on the tongue depressor. The locking piece is driven by the operating piece and has a locked state and an unlocked state. In the unlocked state, the upper palate support device can rotate around the rotating connecting piece to adjust the opening angle of the opening structure. In the locked state, the locking piece is locked with the locking portion to lock the opening structure.

[0009] In the above-mentioned oral opener, the rotation installation structure includes a rotation chamber arranged on the tongue depressor, and a rotation installation rod is arranged in the rotation chamber.

[0010] In the above-mentioned oral opener, the rotating connecting member includes a rotating sleeve, the rotating sleeve is connected to the upper palate support device through a connecting member, and the rotating sleeve is rotatably mounted on the rotating mounting rod.

[0011] In the above-mentioned oral opener, the locking member comprises an annular locking body, an axial groove is arranged on the outer wall of the rotating mounting rod, a sliding block is arranged on the inner wall of the annular locking body, and the sliding block is limited in sliding within the axial groove.

[0012] In the above-mentioned oral opener, the locking part includes a tooth groove arranged on the side surface of the rotating sleeve close to the annular locking body, and the annular locking body is provided with locking teeth corresponding to the tooth groove. In the locked state, the locking teeth are meshed with the tooth groove.

[0013] In the above-mentioned oral opener, the outer side wall of the annular locking body is integrally provided with an outer ring member, the operating member is rotatably provided on the rotating mounting rod, and an annular pressing member is provided on the operating member. The rotation of the operating member can make the annular pressing member abut against the outer ring member.

[0014] The above-mentioned oral opener also includes a fixing ring fixedly mounted on the rotating mounting rod, and a spring member is arranged between the fixing ring and the annular locking body.

[0015] In the above-mentioned oral opener, the tongue suppressor and the upper palate supporter are combined to form an opening component, there are two opening components, and a telescopic connecting rod is arranged between the two opening components, and the telescopic connecting rod can adjust the distance between the two opening components.

[0016] In the above technical scheme, the oral opener provided by the utility model includes a tongue depressor and an upper palate support device, a rotating connecting piece is provided on the upper palate support device, and a rotating mounting structure is provided on the tongue depressor, the rotating connecting piece is rotatably connected to the rotating mounting structure, and the angle of the upper palate support device can be adjusted by the rotating connecting piece and the rotating mounting structure, and when the upper palate support device is rotated to a suitable angle, the tongue depressor and the upper palate support device can be locked by the locking piece and the locking part, so that the tongue depressor and the upper palate support device can form an opening structure with a suitable opening angle, and the opening structure is placed in the patient's oral cavity, the tongue depressor is pressed on the tongue soft tissue, and the upper palate support device is in contact with and supported by the patient's upper palate, so that the patient's oral cavity remains in an open state, and because the tongue depressor and the upper palate support device are located in the patient's oral cavity, they will not affect the patient's tooth operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 A schematic diagram of the structure of the oral cavity opener provided in an embodiment of the utility model;

[0019] Figure 2 A schematic diagram of the installation of a rotating connecting member provided in an embodiment of the utility model;

[0020] Figure 3 A schematic diagram of the installation of a rotating mounting rod provided in an embodiment of the utility model;

[0021] Figure 4 A schematic diagram of the installation of a locking member provided in an embodiment of the utility model;

[0022] Figure 5 A schematic diagram of the structure of an annular locking body provided in an embodiment of the utility model;

[0023] Figure 6 A schematic diagram of the structure of a rotating sleeve provided in an embodiment of the utility model;

[0024] Figure 7 This is a schematic diagram of the installation of a mouth opener provided in another embodiment of the utility model.

[0025] Description of reference numerals:

[0026] 1. tongue suppressor; 10. rotating mounting structure; 11. rotating mounting rod; 12. axial groove; 2. upper palate support; 20. rotating connecting member; 200. rotating sleeve; 201. tooth groove; 21. locking member; 210. annular locking body; 211. locking teeth; 212. sliding block; 22. outer ring member; 23. connecting member; 3. operating member; 30. annular pressure member; 4. fixing ring; 5. spring member; 6. telescopic connecting rod. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] like Figure 1-7As shown, the utility model provides an oral opener, including a tongue depressor 1 and an upper palate support 2, a rotating connecting member 20 is provided on the upper palate support 2, a rotating mounting structure 10 is provided on the tongue depressor 1, the rotating connecting member 20 is rotatably connected to the rotating mounting structure 10 so that the tongue depressor 1 and the upper palate support 2 form a V-shaped opening structure, a locking member 21 is provided on the rotating mounting structure 10, a locking portion is provided on the rotating connecting member 20, an operating member 3 is provided on the tongue depressor 1, the locking member 21 is driven by the operating member 3 and has a locked state and an unlocked state, in the unlocked state, the upper palate support 2 can rotate around the rotating connecting member 20 to adjust the angle of the opening structure, in the locked state, the locking member 21 is locked with the locking portion to lock the upper palate support 2.

[0029] Specifically, the tongue suppressor 1 and the upper palate support 2 both have considerable hardness, and can be made of polyvinyl chloride plastic in one piece. The tongue suppressor 1 is pressed on the patient's tongue, and the tongue suppressor 1 is provided with a pressing surface facing the patient's tongue, and a flexible structure is provided on the pressing surface. The flexible structure is pressed on the soft tissue of the tongue when in use. The upper palate support 2 is in contact with the patient's upper palate as the upper surface, and an elastic block-shaped cushion made of silicone material is bonded on the upper surface. The upper palate support 2 includes a rotating end and an upper opening end. A rotating connection piece 20 is provided on the rotating end of the holder 2, and the tongue depressor 1 includes a connecting end and a lower open end. A rotating mounting structure 10 is provided on the connecting end. The rotating mounting structure 10 and the rotating connection piece 20 are correspondingly rotatably connected, so that the rotating end of the upper palate holder 2 and the connecting end of the tongue depressor 1 are movably connected, and the upper open end of the upper palate holder 2 and the lower open end of the tongue depressor 1 are not connected, so that a gap can be formed, so that the tongue depressor 1 and the upper palate holder 2 form an open structure similar to a V-shape.

[0030] In this embodiment, a locking piece 21 is provided on the rotating mounting structure 10. The locking piece 21 can be a locking block or an annular locking piece. A locking portion is provided on the rotating connecting piece 20, and the locking portions are sequentially arranged along the circumference of the rotating connecting piece 20. The locking piece 21 is arranged correspondingly to the locking portion. The operating piece 3 is transmission-connected with the locking piece 21. By operating the operating piece 3, the locking piece 21 can have a first working position and a second working position. In the first working position, the locking piece 21 and the locking portion are separated and are in an unlocked state. At this time, the upper palate support 2 can be rotated to adjust the opening angle of the opening structure. When the upper palate support 2 is rotated to a suitable angle, the locking piece 21 can be moved to the second working position through the operating piece 3. At this time, the locking piece 21 is locked with the locking portion and is in a locked state. In this way, the upper palate support 2 is locked, so that the upper palate support 2 is maintained at a suitable angle.

[0031] When in use, the upper palate support device 2 is rotated and adjusted according to the size of the patient's oral opening. When the upper palate support device 2 is rotated and adjusted to a suitable angle, the upper palate support device 2 is locked by the locking piece 21 and the locking portion, and then the tongue depressor 1 and the end connected to the upper palate support device 2 are placed in the patient's mouth, that is, the rotating end of the upper palate support device 2 and the connecting end of the tongue depressor 1 are adjacent to the patient's throat.

[0032] The utility model provides an oral opener, comprising a tongue depressor 1 and an upper palate support 2, the upper palate support 2 is provided with a rotating connection piece 20, the tongue depressor 1 is provided with a rotating mounting structure 10, the rotating connection piece 20 is rotatably connected to the rotating mounting structure 10, the angle of the upper palate support 2 can be adjusted by the rotating connection piece 20 and the rotating mounting structure 10, and when the upper palate support 2 is rotated to a suitable angle, the tongue depressor 1 and the upper palate support 2 can be locked by a locking piece 21 and a locking part, so that the tongue depressor 1 and the upper palate support 2 can form an opening structure with a suitable opening angle, and the opening structure is placed in the patient's oral cavity, the tongue depressor 1 is pressed on the tongue soft tissue, and the upper palate support 2 is in contact with the patient's upper palate for support, so that the patient's oral cavity is kept in an open state, and because the tongue depressor 1 and the upper palate support 2 are located in the patient's oral cavity, the patient's tooth operation will not be affected.

[0033] In the embodiment provided by the utility model, preferably, the rotating mounting structure 10 includes a rotating cavity arranged at the connecting end of the tongue depressor 1, a rotating mounting rod 11 is arranged in the rotating cavity, and the rotating connecting member 20 includes a rotating sleeve 200, and the rotating sleeve 200 is connected to the upper palate support device 2 through a connecting member 23, and the connecting member 23 can be a connecting rod or a connecting plate. The rotating sleeve 200 is rotatably mounted on the rotating mounting rod 11, and an arc-shaped opening is arranged at the connecting end of the tongue depressor 1, and the arc-shaped opening is connected to the rotating cavity. The connecting member 23 is located in the arc-shaped opening. When the upper palate support device 2 rotates, the connecting member 23 rotates in the arc-shaped opening, and the rotating sleeve 200 rotates on the rotating mounting rod 11.

[0034] In the embodiment provided by the utility model, preferably, the locking member 21 includes an annular locking body 210, an axial groove 12 is provided on the outer wall of the rotating mounting rod 11, each axial groove 12 is arranged along the axial direction of the rotating mounting rod 11, and there are multiple axial grooves 12, and the multiple axial grooves 12 are arranged in sequence along the circumference of the rotating mounting rod 11. A sliding block 212 is provided on the inner wall of the annular locking body 210, and the sliding block 212 is slidingly restricted in the axial groove 12. There are also multiple sliding blocks 212, and the multiple sliding blocks 212 are arranged in sequence along the circumference of the annular locking body 210. The number of the sliding blocks 212 is consistent with the number of the axial grooves 12, and each sliding block 212 is slidingly connected in the axial groove 12 in a one-to-one manner.

[0035] In the embodiment provided by the utility model, preferably, one end of the rotating sleeve 200 is fixedly connected to the rotating connecting member 20, and the locking portion includes a tooth groove 201 arranged on the end surface of the rotating sleeve 200 close to the annular locking body 210. There are multiple tooth grooves 201, and the multiple tooth grooves 201 are arranged in sequence along the circumferential direction of the end surface of the rotating sleeve 200. The annular locking body 210 is provided with locking teeth 211 corresponding to the tooth grooves 201. In the locked state, the locking teeth 211 are engaged with the tooth grooves 201. When the locking member 21 can be moved to the first working position by operating the operating member 3, the locking teeth 211 are separated from the tooth grooves 201 and are in an unlocked state. At this time, the upper palate support device 2 can be rotated. When the upper palate support device 2 is rotated to a suitable angle, the locking member 21 can be moved to the second working position by the operating member 3. At this time, the locking teeth 211 are engaged with the tooth grooves 201 and are in a locked state, thereby achieving the locking of the upper palate support device 2, so that the upper palate support device 2 is maintained at a suitable angle.

[0036] In the embodiment provided by the present utility model, preferably, the outer side wall of the annular locking body 210 is integrally provided with an outer ring member 22, and the outer ring member 22 is arranged around the annular locking body 210, the operating member 3 is rotatably arranged on the rotating mounting rod 11, and the operating member 3 is provided with an annular pressing member 30, and the rotation of the operating member 3 can make the annular pressing member 30 abut against the outer ring member 22, and the rotating mounting rod 11 is fixedly installed with a fixing ring 4, and a spring member 5 is arranged between the fixing ring 4 and the annular locking body 210, the annular pressing member 30, the fixing ring 4 and the annular locking body 210 are all coaxially arranged on the rotating mounting rod 11, and a threaded portion is arranged on the rotating mounting rod 11, and an internal thread corresponding to the threaded portion is arranged on the inner wall of the annular pressing member 30, and a mounting hole connected to the rotating cavity is arranged on the connecting end of the tongue suppressor 1, and the operating member 3 is installed in the mounting hole, and the operating member 3 is partially located on the outside of the mounting hole, so that when used When the annular pressing member 30 is rotated forward or backward on the rotating mounting rod 11, the annular pressing member 30 can be rotated forward or backward by rotating the operating member 3. When the annular pressing member 30 is rotated forward, the annular pressing member 30 will press against the outer ring member 22, so that the outer ring member 22 and the annular locking body 210 move along the axial direction of the rotating mounting rod 11 to the second working position, so that the locking tooth 211 is engaged with the tooth groove 201 and is in a locked state. During this process, the annular locking body 210 has elasticity in stretching the spring member 5. Conversely, when the annular pressing member 30 is rotated backward, the pressure of the annular pressing member 30 on the outer ring member 22 disappears. Under the elastic tension of the spring member 5, the outer ring member 22 and the annular locking body 210 move along the axial direction of the rotating mounting rod 11 to the first working position, and the locking tooth 211 is separated from the tooth groove 201 and is in an unlocked state. At this time, the upper palate support device 2 can be rotated.

[0037] In another embodiment provided by the utility model, preferably, the tongue suppressor 1 and the upper palate support 2 are combined to form an opening member (the same structure as the V-shaped opening structure), there are two opening members, a telescopic connecting rod 6 is arranged between the two opening members, and the telescopic connecting rod 6 can adjust the distance between the two opening members; for the convenience of description, the two opening members are respectively referred to as the first opening member and the second opening member, the structures of the first opening member and the second opening member are exactly the same, the first opening member and the second opening member are connected by the telescopic connecting rod 6, so that when in use, the length of the telescopic connecting rod 6 can be adjusted as needed, so that the size of the combined opening member formed by the first opening member and the second opening member can be adjusted as needed, so as to meet the use with different patients. It should be noted that when in use, the first opening member can be used independently, the second opening member can be used independently, and the first opening member and the second opening member can also be used in combination.

[0038] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A mouth opener, characterized in that: It comprises a tongue depressor and an upper palate supporter, wherein one end of the upper palate supporter is provided with a rotating connection piece, and one end of the tongue depressor is provided with a rotating mounting structure, and the rotating connection piece is rotatably connected to the rotating mounting structure so that the tongue depressor and the upper palate supporter form a V-shaped opening structure; A locking piece is provided on the rotating mounting structure, a locking portion is provided on the rotating connecting piece, and an operating piece is provided on the tongue depressor. The locking piece is driven by the operating piece and has a locked state and an unlocked state. In the unlocked state, the upper palate support device can rotate around the rotating connecting piece to adjust the opening angle of the opening structure. In the locked state, the locking piece is locked with the locking portion to lock the opening structure.

2. The oral opening device according to claim 1, characterized in that: The rotation installation structure comprises a rotation cavity arranged on the tongue depressor, and a rotation installation rod is arranged in the rotation cavity.

3. The oral cavity retractor according to claim 2, characterized in that: The rotating connecting piece comprises a rotating sleeve, the rotating sleeve is connected to the upper palate support device through a connecting piece, and the rotating sleeve is rotatably mounted on the rotating mounting rod.

4. The oral cavity opener according to claim 3, characterized in that: The locking member comprises an annular locking body, an axial groove is arranged on the outer wall of the rotating mounting rod, a sliding block is arranged on the inner wall of the annular locking body, and the sliding block is limited in sliding in the axial groove.

5. The oral cavity retractor according to claim 4, characterized in that: The locking portion includes a tooth groove arranged on a side surface of the rotating sleeve close to the annular locking body, and the annular locking body is provided with locking teeth corresponding to the tooth groove. In the locked state, the locking teeth are meshed with the tooth groove.

6. The oral cavity retractor according to claim 5, characterized in that: The outer side wall of the annular locking body is integrally provided with an outer ring member, the operating member is rotatably provided on the rotating mounting rod, and an annular pressing member is provided on the operating member. The rotation of the operating member can make the annular pressing member abut against the outer ring member.

7. The oral cavity opener according to claim 6, characterized in that: It also includes a fixing ring fixedly mounted on the rotating mounting rod, and a spring member is arranged between the fixing ring and the annular locking body.

8. The oral opening device according to claim 1, characterized in that: The tongue suppressor and the upper palate supporter are combined to form an opening component. There are two opening components. A telescopic connecting rod is arranged between the two opening components. The telescopic connecting rod can adjust the distance between the two opening components.

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