Oral cavity mouth gag

By designing an arc-shaped expansion plate and a spring-driven insertion rod system, the oral mouth opener solves the problem of the inability to simultaneously expand the lips and teeth in existing technologies, achieving flexible oral expansion and a stable operating space, thus improving treatment efficiency and patient comfort.

CN223554825UActive Publication Date: 2025-11-18FIRST AFFILIATED HOSPITAL OF XINJIANG MEDICAL UNIVERSITY
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422794296.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-16
Publication Date
2025-11-18
Estimated Expiration
2034-11-16

AI Technical Summary

Technical Problem

Existing oral mouth openers have a single function and cannot expand the lips and teeth at the same time, which limits the operating space and flexibility for complex treatments or examinations.

Method used

An oral mouth opening device was designed, which can expand the lips and teeth separately through an arc-shaped expansion plate and a spring-driven insertion rod system, providing flexible opening adjustment. It includes an adjustment component for the arc-shaped expansion plate and a spring-driven insertion rod movement to achieve independent expansion of the lips and teeth.

Benefits of technology

It allows for flexible selection of lip or teeth expansion based on treatment needs, provides a stable operating space, simplifies the operation process, and improves the efficiency of examination and treatment as well as patient comfort.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223554825U_ABST
    Figure CN223554825U_ABST
Patent Text Reader

Abstract

The utility model discloses an oral cavity mouth gag, which belongs to the technical field of oral cavities and comprises arc-shaped expansion sheets, adjusting components are arranged on the outer surfaces of the arc-shaped expansion sheets, and opening components are arranged on the outer sides of the arc-shaped expansion sheets. The elastic force of the spring drives the inserting rod to move inwards to enter the inserting hole, the T-shaped connecting rod and the tooth dilator are installed on the arc-shaped dilating piece, at the moment, the upper tooth and the lower tooth of the patient bite the two sides of the tooth dilator respectively to be dilated and opened, and at the moment, the lips and the teeth of the patient are opened. The medical staff can flexibly select whether the opening assembly is installed or not according to treatment requirements, and when the teeth need to be examined in detail or a dental operation needs to be carried out, the opening assembly is installed to open the teeth of the patient to obtain a larger and stable operation space; and when only the lip needs to be opened for basic oral examination, the opening assembly can not be installed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity technical field more specifically, relate to a mouth gag. BACKGROUND

[0002] The mouth gag, also known as mouth prop, is an instrument used to keep the patient's mouth open in a medical setting, especially in dental surgery and examination, to help the doctor or dentist keep the patient's mouth open during examination or treatment, which can ensure that the doctor has enough space to operate, and also can ensure that the patient will not close the mouth due to fatigue, thereby affecting the treatment process.

[0003] Chinese patent authorization announcement number: CN218978868U discloses a mouth gag, which comprises a hand-held handle, a support plate is fixedly connected to the top of the hand-held handle, and telescopic support mechanisms are fixedly installed on both sides of the support plate; the top and bottom of the front end of each telescopic support mechanism are fixedly connected with oral dilators, arc-shaped rods are fixedly installed between the two groups of oral dilators, and the oral dilators and the arc-shaped rods are connected through fixed screws; the outer surfaces of the two groups of oral dilators and the arc-shaped rods are wrapped with rubber pads. The utility model can appropriately reduce the opening size of the mouth gag when the patient needs to keep the mouth open for a long time, thereby relieving the fatigue of the patient and improving the comfort of the patient.

[0004] The prior art has certain limitations in actual use because the existing mouth prop has a single function and can only dilate the lips or dilate the teeth. When some complex treatment or examination needs to dilate the lips and teeth at the same time, the single-function mouth prop has certain limitations. Therefore, the present application provides a mouth prop. UTILITY MODEL CONTENTS

[0005] 1. Technical problem to be solved

[0006] In view of the problems in the prior art, the utility model provides a mouth prop, which can open the patient's lips outward through two arc-shaped expansion pieces, and the spring can drive the insertion rod to move inward into the insertion hole, so that the T-shaped connecting rod and the tooth expander are installed on the arc-shaped expansion piece. At this time, the patient's upper and lower teeth are respectively bitten on the two sides of the tooth expander, and the teeth are expanded and opened. At this time, the patient's lips and teeth are opened, which is convenient for medical staff to carry out more detailed examination and treatment. Medical staff can flexibly choose whether to install the opening assembly according to the treatment needs. When detailed tooth examination or dental surgery is needed, the opening assembly is installed to open the patient's teeth to obtain a larger and stable operation space. When only the lips need to be opened for basic oral examination, the opening assembly can not be installed, and the operation process is simplified.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] An oral cavity opener, comprising an arc-shaped expansion sheet, an adjusting assembly is arranged on the outer surface of the arc-shaped expansion sheet, and an opening assembly is arranged on the outer side of the arc-shaped expansion sheet; the adjusting assembly comprises a connecting plate fixedly connected to the outer surface of the arc-shaped expansion sheet, an adjusting block is fixedly connected to the lower surface of the connecting plate, an adjusting frame is sleeved on the outer surface of the adjusting block, and a bidirectional screw rod is rotatably connected to the inner cavity of the adjusting frame; the opening assembly comprises a mounting seat fixedly connected to the outer side of the arc-shaped expansion sheet, a T-shaped connecting rod is movably connected to the inner cavity of the mounting seat, a tooth expander is fixedly connected to one end of the T-shaped connecting rod, insertion holes are symmetrically formed on one side of the mounting seat, an insertion rod is movably connected to the inner cavity of the insertion hole, a moving rod is fixedly connected to one end of the insertion rod, and a fixed plate is sleeved on the outer surface of the moving rod.

[0010] Further, a sliding groove is formed in one side of the adjusting frame, and the connecting plate moves in the sliding groove on one side of the adjusting frame.

[0011] Further, the outer surface of the bidirectional screw rod is threadedly connected to the inner cavity of the adjusting block, and a handle is fixedly connected to one end of the bidirectional screw rod through a shaft penetrating the adjusting frame.

[0012] Further, a handle is fixedly connected to one side of the adjusting frame, and an anti-skid sleeve is fixedly connected to the outer surface of the handle.

[0013] Further, the fixed plate is fixedly connected to the T-shaped connecting rod on one side, and a spring is sleeved on the outer surface of the moving rod.

[0014] Further, one end of the spring is fixedly connected to the fixed plate, and the other end of the spring is fixedly connected to one end of the insertion rod.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The spring itself drives the insertion rod to move inward into the insertion hole, thereby installing the T-shaped connecting rod and the tooth expander on the arc-shaped expansion sheet, at this time, the patient's upper and lower teeth are respectively bitten on both sides of the tooth expander to expand the teeth, at this time, the patient's lips and teeth are opened, which is convenient for medical staff to carry out more detailed examination and treatment, medical staff can flexibly choose whether to install the opening assembly according to the treatment needs, can install the opening assembly to open the patient's teeth to obtain a larger and stable operation space when detailed tooth examination or dental surgery is needed, and can not install the opening assembly when only the lips need to be opened for basic oral cavity examination, thereby simplifying the operation process.

[0018] (2) The scheme is driven by rotating the handle to rotate the bidirectional screw, when the bidirectional screw rotates, the two adjusting blocks and the connecting plate are driven to move outward or inward at the same time, the two arc-shaped expansion pieces are driven to move to outwardly support the patient's lips to facilitate medical staff to check or treat the inside of the mouth, the distance between the two is flexibly adjusted to change the opening size of the mouth opener, the mouth expansion needs of different patients are met, different oral conditions are adapted, and the flexibility of use and the comfort of the patient are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a whole structure schematic view of the utility model from the side;

[0021] Figure 3 It is a local structure split schematic view of the utility model;

[0022] Figure 4 It is a local structure split schematic view of the utility model.

[0023] Explanation of reference numerals in the drawing:

[0024] 1, arc-shaped expansion piece; 2, adjusting assembly; 201, connecting plate; 202, adjusting block; 203, adjusting frame; 204, bidirectional screw; 205, handle; 206, handle; 3, opening assembly; 301, mounting seat; 302, T-shaped connecting rod; 303, tooth expander; 304, jack; 305, insertion rod; 306, moving rod; 307, fixed plate; 308, spring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is to explain, unless otherwise definite and limited, the term "installation", "set with", "sleeve set / joint", "connection" and the like should be understood broadly, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment 1

[0029] Refer to Figures 1-3 , the utility model first embodiment, this embodiment provides an oral cavity mouth gag, including arc expansion piece 1, arc expansion piece 1 outer surface is provided with adjusting assembly 2, including the fixed connection in the outer surface of arc expansion piece 1 connecting plate 201, the lower surface of connecting plate 201 is fixedly connected with adjusting block 202, adjusting block 202 outer surface is sleeved with adjusting frame 203, and the inner chamber of adjusting frame 203 is rotatably connected with bidirectional screw rod 204.

[0030] Specifically, the one side of adjusting frame 203 is provided with a sliding slot, the connecting plate 201 moves in the sliding slot on the one side of adjusting frame 203, the outer surface of bidirectional screw rod 204 is screw-connected with the inner chamber of adjusting block 202, one end of bidirectional screw rod 204 is fixedly connected with handle 205 through the shaft penetrating adjusting frame 203, the one side of adjusting frame 203 is fixedly connected with handle 206, and the outer surface of handle 206 is fixedly connected with anti-skid sleeve.

[0031] Further, the operator places arc expansion piece 1 on both sides of the oral cavity of the patient, and the lips are stretched to both sides, then manually rotates handle 205 to drive bidirectional screw rod 204 to rotate, when bidirectional screw rod 204 rotates, drives two adjusting blocks 202 and connecting plate 201 to move outward or inward simultaneously, drives two arc expansion pieces 1 to move to stretch the lips of the patient outward, which is convenient for medical staff to check or treat the inside of the oral cavity, by flexibly adjusting the distance between the two, the opening size of the mouth gag is changed, the oral cavity expansion needs of different patients are met, different oral cavity conditions are adapted, and the flexibility of use and the comfort of the patient are improved.

[0032] Embodiment 2

[0033] Refer to Figure 1 , Figure 2 With Figure 4For the second embodiment of the utility model, the embodiment is based on the last embodiment, the outer side of the arc-shaped expansion piece 1 is provided with an opening assembly 3, the opening assembly 3 comprises a mounting seat 301 fixedly connected to the outer side of the arc-shaped expansion piece 1, a T-shaped connecting rod 302 movably connected in the inner cavity of the mounting seat 301, a tooth expander 303 fixedly connected to one end of the T-shaped connecting rod 302, a jack 304 symmetrically formed on one side of the mounting seat 301, a plug rod 305 movably connected in the inner cavity of the jack 304, a moving rod 306 fixedly connected to one end of the plug rod 305, and a fixed plate 307 sleeved on the outer surface of the moving rod 306.

[0034] Specifically, one side of the fixed plate 307 is fixedly connected with the T-shaped connecting rod 302, the outer surface of the moving rod 306 is sleeved with a spring 308, one end of the spring 308 is fixedly connected with the fixed plate 307, and the other end of the spring 308 is fixedly connected with one end of the plug rod 305.

[0035] Further, the tooth expander 303 is inserted into the inner part of the mounting seat 301 through the T-shaped connecting rod 302, and then the plug rod 305 is driven to move inward into the inner part of the jack 304 through the elastic force of the spring 308 itself, so as to install the T-shaped connecting rod 302 on the arc-shaped expansion piece 1, at this time, the upper and lower teeth of the patient bite the two sides of the tooth expander 303 respectively, so as to expand the teeth of the patient, make the teeth stably open, and facilitate the medical staff to check and treat the oral cavity of the patient, the medical staff can flexibly select whether to install the opening assembly 3 according to the treatment requirement, so that the operation is more efficient, for example, when detailed tooth examination or dental surgery is needed, the opening assembly can be installed to open the teeth of the patient to obtain a larger and stable operation space, and when only the lips need to be opened for basic oral examination, the opening assembly can not be installed to simplify the operation process.

[0036] Working principle: in the device using process, the operator will arc expansion piece 1 is placed in the patient's mouth on both sides, the lips to both sides of the open, then manually rotating the handle 205 drive two-way screw rod 204 rotation, when two-way screw rod 204 rotation drive two adjusting block 202 and connecting plate 201 move outward or inward at the same time, drive two arc expansion piece 1 move to the patient's lips to the outside of the open convenient for medical staff to the inside of the mouth examination or treatment, by adjusting the distance between the two, to change the mouth opening size of mouth opener, meet the different patients' oral expansion needs, adapt to different oral conditions, improve the flexibility and patient comfort of use, when the need for patients' teeth also expansion open, then the teeth expander 303 through T type connecting rod 302 is inserted into the mounting seat 301 inside, then through the spring 308 itself elastic drive plug rod 305 inward move into the insertion hole 304 inside, so as to install T type connecting rod 302 on the arc expansion piece 1, the patient's upper and lower teeth are respectively bite the two sides of the teeth expander 303, so that the patient's teeth expansion, make it open, convenient for medical staff to the patient's mouth examination and treatment.

[0037] The above is only the preferred embodiment of the present application; but the protection scope of the present application is not limited to this. Any skilled person in the art within the technical range disclosed by the present application, according to the technical scheme of the present application and its improvement concept, is equivalent to replace or change, should be covered in the protection scope of the present application.

Claims

1. An oral cavity opening device, comprising an arc-shaped expansion piece (1), characterized in that: An adjustment component (2) is provided on the outer surface of the arc-shaped expansion plate (1), and an opening component (3) is provided on the outer side of the arc-shaped expansion plate (1); The adjustment assembly (2) includes a connecting plate (201) fixedly connected to the outer surface of the arc-shaped expansion plate (1), an adjustment block (202) fixedly connected to the lower surface of the connecting plate (201), an adjustment frame (203) sleeved on the outer surface of the adjustment block (202), and a bidirectional screw (204) rotatably connected to the inner cavity of the adjustment frame (203). The opening assembly (3) includes a mounting base (301) fixedly connected to the outside of the arc-shaped expansion piece (1). A T-shaped connecting rod (302) is movably connected to the inner cavity of the mounting base (301). A dental expander (303) is fixedly connected to one end of the T-shaped connecting rod (302). A insertion hole (304) is symmetrically opened on one side of the mounting base (301). An insertion rod (305) is movably connected to the inner cavity of the insertion hole (304). A movable rod (306) is fixedly connected to one end of the insertion rod (305). A fixing plate (307) is sleeved on the outer surface of the movable rod (306).

2. The oral cavity opener according to claim 1, characterized in that: A sliding groove is provided on one side of the adjustment frame (203), and the connecting plate (201) moves within the sliding groove on one side of the adjustment frame (203).

3. The oral cavity opener according to claim 1, characterized in that: The outer surface of the bidirectional screw (204) is threaded to the inner cavity of the adjusting block (202), and one end of the bidirectional screw (204) is fixedly connected to the handle (205) through the shaft through the adjusting frame (203).

4. The oral cavity opener according to claim 1, characterized in that: A handle (206) is fixedly connected to one side of the adjustment frame (203), and an anti-slip sleeve is fixedly connected to the outer surface of the handle (206).

5. The oral cavity opener according to claim 1, characterized in that: One side of the fixed plate (307) is fixedly connected to the T-shaped connecting rod (302), and a spring (308) is sleeved on the outer surface of the moving rod (306).

6. The oral cavity opener according to claim 5, characterized in that: One end of the spring (308) is fixedly connected to the fixing plate (307), and the other end of the spring (308) is fixedly connected to one end of the insertion rod (305).

Citation Information

Patent Citations

  • Oral cavity mouth gag

    CN218978868U