An oral cavity speculum

Abstract

The utility model discloses an oral cavity mouth gag, the mouth gag includes symmetrical left, right jaw arm, and it is connected through hinged axle and is equipped with mouth angle adjusting stop device, and the jaw arm end is equipped with the denture plate and flange plate with antiskid notch. The place of innovation lies in that the external silica gel pad is additionally arranged, which is isosceles triangle, and the base angle extends the transverse extension pad, the second press button male buckle distributed on the extension pad is adapted with the flange plate female buckle, realizes quick and active installation. The silica gel pad B face is equipped with the first thickening boss to protect the mouth corner, and the second thickening boss is located at the denture plate notch, and has the antiskid and tooth protection function. The silica gel pad can completely wrap the denture plate and flange plate, avoids scratching oral mucosa, and is replaceable consumable, and the mouth gag body can be repeatedly disinfected and used. The utility model discloses simple structure, convenient operation, significantly improves patient comfort, reduces use cost, and is suitable for promotion.

Description

Technical Field

[0001] This utility model relates to an oral cavity opening device. Background Technology

[0002] An oral mouth opener (also known as a mouth gag or mouth opening device) is a medical device mainly used to keep a patient's mouth open during examinations or treatments, ensuring operating space and field of vision. In dental examinations and treatments, forceps mouth openers are commonly used to keep the patient's mouth open. The structure of a forceps mouth opener can be found in Chinese patent CN201920516795.X. It is usually made of hard metal material. In actual use, its forceps arms are in direct contact with the facial skin and the inside of the mouth. This method of use can cause discomfort to the patient. Moreover, due to the pulling of the forceps arms, bruising is easily caused at the corners of the patient's mouth. The patient's gums and the inside of the mouth are also easily scratched or crushed by the dental tray and the flange. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an oral mouth opener, which protects the corners of the patient's mouth from bruising when using existing forceps mouth openers by using an external silicone pad that is flexibly connected to the mouth opener body. In addition, a covering structure is provided for the dental tray and wing plate of existing forceps mouth openers to prevent the patient's gums and the inside of the oral cavity from being easily scratched or crushed by the dental tray and wing plate.

[0004] To solve the above-mentioned technical problems, this utility model provides an oral mouth opener, including an opener body. The opener body includes a left and a right clamp arm, both vertically arranged and symmetrically positioned. Each left and right clamp arm includes a clamp head and a handle, both vertically arranged and integrally formed. The clamp head and handle of the left and right clamp arms are hinged together by a hinge shaft with an axial direction running back and forth. An opening angle adjustment and limiting device composed of a limiting tooth groove mechanism and a spring is provided between the clamp handles of the left and right clamp arms. The upper side of the clamp head of both the left and right clamp arms has a rearward-facing... The device includes an inverted U-shaped extension, with a long strip of dental tray connected to the rear end of each extension. The dental tray has anti-slip grooves, and each dental tray has symmetrically arranged flanges on both sides along its width. A first snap-fit ​​female is embedded at the rear end of the hinge shaft, and a second snap-fit ​​female is embedded on each of the two sides of each flange. It also includes a dedicated external silicone pad, which is generally isosceles triangular in shape. At each of the two base angles of the isosceles triangle, there is a laterally extending elongated extension pad. The thickness direction of the silicone pad and the extension pad... Both sides are aligned and flush. The length direction of the extension pads is parallel to the base of the isosceles triangle of the silicone pad. One side of the silicone pad along its thickness is named surface A, and the other side is named surface B. A male snap fastener for the first snap is embedded at the apex of the isosceles triangle of the silicone pad at surface A. Four male snap fasteners for the second snap are provided on each extension pad at the same location on surface A. The four male snap fasteners for the second snap are spaced apart along the length direction of the extension pad. Let the side closer to the silicone pad along any extension pad's length direction be considered the inner side, and the side farther from the silicone pad be considered the outer side. On one side, the male buckles of the four second snaps on any extension pad are numbered in order from the inside out: first male buckle, second male buckle, third male buckle, and fourth male buckle. The interval between the first and second male buckles is the same as the interval between the third and fourth male buckles, and both are less than the interval between the second and third male buckles. A first thickened silicone protrusion is provided on the B-side near the base of the isosceles triangle of the silicone pad. A second thickened silicone protrusion is provided on the B-side between any second and third male buckles.

[0005] The method of using this utility model is as follows: When using, the male buckle of the first snap and the female buckle of the first snap are fastened together. Then, the altitude line of the isosceles triangle of the silicone pad is laid along the inner edge of the inverted U-shaped extension of the mouth opener body. Then, the A-side of the two extension pads is respectively attached to the surface of the corresponding dental tray and the flange plate, so that the extension pad completely covers the scoring surface of the dental tray and the two sides of the flange plate. Then, the first male buckle, the second male buckle, the third male buckle, and the fourth male buckle of the A-side of the extension pad are respectively fastened to the female buckles of the four second snaps on the two corresponding flange plates.

[0006] Advantages of this utility model: This utility model provides a mouth opener body and a dedicated external silicone pad. The mouth opener body is based on a traditional clamp-type mouth opener and is fitted with a snap female buckle. The external silicone pad is flexibly connected to the mouth opener body through a corresponding snap male buckle. After the mouth opener body and the dedicated external silicone pad are connected, the first thickened silicone protrusion is positioned to contact the corner of the patient's mouth on that side. The first thickened silicone protrusion can protect the corner of the patient's mouth, alleviate the pulling sensation at the corner of the mouth, reduce patient discomfort, and prevent bruising at the corner of the mouth. (Two extensions...) The pad covers the corresponding side of the dental tray and wings, preventing the patient's gums and inner oral cavity from being scratched or crushed by the dental tray and wings. The second thickened silicone protrusion is located on the grooved surface of the dental tray, which can also protect the teeth from being scratched and increase friction, making the mouth opener more stable to use. In addition, the external silicone pad in this invention is a consumable and can be quickly replaced after each use, making the operation simple and convenient. The mouth opener body can be reused after sterilization. Compared with existing mouth openers, it will not increase the usage cost much, making it suitable for promotion in the industry. Attached Figure Description

[0007] Figure 1 This is a front view of the opening device body of this utility model.

[0008] Figure 2 This is a rear view of the opening body of this utility model.

[0009] Figure 3 This is a side view of the opening body of this utility model.

[0010] Figure 4 This is a schematic diagram of the structure of the external silicone pad A side of this utility model.

[0011] Figure 5 This is a schematic diagram of the structure of the external silicone pad B side of this utility model.

[0012] Figure 6 This is a partial structural diagram of the mouth opener body of this utility model after it is combined with the external silicone pad (dental tray and flange plate).

[0013] Figure 7 This is a partial structural diagram of the mouth opening device body and the external silicone pad after they are combined (the inverted U-shaped extension of the mouth opening device body). Detailed Implementation

[0014] See Figures 1-7An oral mouth opener includes a mouth opener body, comprising a left clamp arm 11 and a right clamp arm 12, both vertically arranged and symmetrically positioned. Each of the left and right clamp arms 11 and 12 includes a clamp head 13 and a clamp handle 14 integrally formed and arranged vertically. The clamp heads 13 and handles 14 of the left and right clamp arms 11 and 12 are hinged at their joints via a hinge shaft 15 with an axial direction running forward and backward. An opening angle adjustment and limiting device 16, consisting of a limiting tooth groove mechanism and a spring plate, is provided between the clamp handles 14 of the left and right clamp arms 11 and 12. An inverted... The U-shaped extension 17 has a long strip dental tray 2 connected to its rear end. The dental tray 2 has anti-slip grooves. Each dental tray 2 has symmetrically arranged flange plates 21 on both sides in the width direction. The rear end of the hinge shaft 15 is fitted with a first snap female buckle 3. Each flange plate 21 has a second snap female buckle 4 fitted on both sides. It also includes a dedicated external silicone pad 5. The silicone pad 5 is generally isosceles triangle. At each of the two base angles of the isosceles triangle of the silicone pad 5, there is a horizontally extending long strip extension pad 51. The silicone pad 5 and the extension pad 51 correspond to each other on both sides in the thickness direction. The extension pads 51 are aligned, and their length direction is parallel to the base of the isosceles triangle of the silicone pad 5. One side of the silicone pad 5 along its thickness direction is named surface A, and the other side is named surface B. A male snap 31 of the first snap is embedded at the apex of the isosceles triangle of the silicone pad 5 at surface A. Four male snaps 6 of the second snap are provided on each extension pad 51 at the same location on surface A. The four male snaps 6 of the second snaps on each extension pad 51 are arranged at intervals along the length direction of the extension pad 51. Let the side closer to the silicone pad 5 along the length direction of any extension pad 51 be considered the inside, and the side farther from the silicone pad 5 be considered the outside. Starting from the inside... The male snaps 6 of the four second snaps on any extension pad 51 are numbered in the order from the outside: first male snap 61, second male snap 62, third male snap 63, and fourth male snap 64. The interval between the first male snap 61 and the second male snap 62 is the same as the interval between the third male snap 63 and the fourth male snap 64, and both are less than the interval between the second male snap 62 and the third male snap 63. A first thickened silicone protrusion 52 is provided on the B-side near the base of the isosceles triangle of the silicone pad 5. A second thickened silicone protrusion 53 is provided on the B-side between any second male snap 62 and the third male snap 63.

[0015] The method of using this utility model is as follows: When in use, the male buckle 31 of the first snap button is engaged with the female buckle 3 of the first snap button. Then, the altitude line of the isosceles triangle of the silicone pad 5 is laid along the inner edge of the inverted U-shaped extension 17 of the mouth opener body. Then, the A-side of the two extension pads 51 is respectively attached to the corresponding surfaces of the dental tray 2 and the flange plate 21, so that the extension pads 51 completely cover the grooved surface of the dental tray 2 and the two sides of the flange plate 21. Then, the first male buckle 61, the second male buckle 62, the third male buckle 63, and the fourth male buckle 64 on the A-side of the extension pad 51 are respectively engaged with the female buckles 4 of the four second snap buttons on the two corresponding flange plates 21.

[0016] Advantages of this utility model: This utility model provides a mouth opener body and a dedicated external silicone pad 5. The mouth opener body is based on a traditional clamp-type mouth opener and is equipped with a snap female buckle. The external silicone pad 5 is flexibly connected to the mouth opener body through a corresponding snap male buckle. After the mouth opener body and the dedicated external silicone pad 5 are connected, the first thickened silicone protrusion 52 is positioned to contact the corner of the patient's mouth on that side. The first thickened silicone protrusion 52 can protect the corner of the patient's mouth, alleviate the pulling sensation at the corner of the mouth, reduce patient discomfort, and prevent bruising at the corner of the mouth. The two extension pads 5... The first part covers the corresponding side of the dental tray 2 and the wing plate 21, preventing the patient's gums and the inside of the mouth from being scratched or crushed by the dental tray 2 and the wing plate 21. The second thickened silicone protrusion 53 is located on the grooved hanging surface of the dental tray 2, which can also protect the teeth from being scratched and increase friction, making the use of the mouth opener more stable. In addition, the external silicone pad 5 in this utility model is a consumable material, which can be quickly replaced after each use. The operation is simple and convenient. The mouth opener body can be rotated after sterilization. Compared with existing mouth openers, it will not increase the use cost much, making it suitable for promotion in the industry.

Claims

1. A mouth opener, comprising a mouth opener body, the mouth opener body comprising a left and a right jaw arm, both vertically arranged and symmetrically positioned, each jaw arm comprising a jaw head and a handle integrally formed and arranged vertically, the jaw head and handle of the left and right jaw arms being hinged together by a hinge shaft with an axial direction running forward and backward, an opening angle adjustment and limiting device consisting of a limiting tooth groove mechanism and a spring plate being provided between the jaw handles of the left and right jaw arms, an inverted U-shaped extension being provided on the upper side of the jaw head of the left and right jaw arms, the rear end of each extension being connected to a long strip of dental tray, the dental tray having anti-slip grooves, and each dental tray having symmetrically arranged flange plates on both sides in the width direction, characterized in that: The hinge shaft has a female snap fastener for the first snap fastener embedded at its rear end. Each flange plate has a female snap fastener for the second snap fastener embedded on both sides. It also includes a dedicated external silicone pad, which is generally an isosceles triangle. At each base angle of the isosceles triangle, there is a horizontally extending strip-shaped extension pad. The silicone pad and the extension pad are aligned along their thickness directions, and the length direction of the extension pad is parallel to the base of the isosceles triangle. One side of the silicone pad along its thickness direction is named surface A, and the other side is named surface B. At surface A, corresponding to the apex angle of the isosceles triangle, is a male snap fastener for the first snap fastener. At surface A, corresponding to each extension pad, there are four male snap fasteners for the second snap fastener. The male snaps of the four second snaps on each extension pad are arranged at intervals along the length of the extension pad. Let the side closer to the silicone pad along the length of any extension pad be the inside and the side farther from the silicone pad be the outside. The male snaps of the four second snaps on any extension pad are numbered in order from the inside to the outside as the first male snap, the second male snap, the third male snap, and the fourth male snap. The interval between the first male snap and the second male snap is the same as the interval between the third male snap and the fourth male snap, and is smaller than the interval between the second male snap and the third male snap. A first thickened silicone protrusion is provided on the B-side position corresponding to the base of the isosceles triangle of the silicone pad. A second thickened silicone protrusion is provided on the B-side position corresponding to any second male snap and the third male snap.

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