CN219963148U

CN219963148U - Intraoral support with adjustable opening degree

Info

Publication number: CN219963148U
Application number: CN202320682223.5U
Authority: CN
Inventors: 丁天宇; 孙英杰; 张剑英
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-11-07
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses an intraoral support with adjustable opening degree, which comprises two tooth pads, wherein the end parts of the two tooth pads are hinged through a self-locking structure, so that the two tooth pads can be repeatedly locked and fixed at different included angles. Through setting up the auto-lock structure for the intraoral support ware can be through adjusting the different opening degrees of formation, thereby effectively improve the suitability.

Description

Intraoral support with adjustable opening degree

Technical Field

The utility model mainly relates to the technical field of medical instruments, in particular to an intraoral support with an adjustable opening degree.

Background

During treatment, the patient often needs to remain open to provide viewing and operating space for the physician. Part of patients have too small openings of upper and lower dentitions due to temporomandibular disease, so that doctors have a narrow visual field range and are difficult to operate; and part of patients are easy to generate upper and lower dentition reflex occlusion due to the stimulation of instruments in the treatment process, so that the treatment is affected. Therefore, it is necessary to fix the upper and lower dentitions of the patient with the intraoral support so that the patient can maintain the open mouth state.

The mouth support is also called as an occluder, and the mouth opening degree of the existing mouth support is fixed and is divided into a large model, a medium model and a small model. When selecting intraoral supporters, patients often need to try out the intraoral supporters of different models in sequence to judge which model is relatively suitable, and the process is not only troublesome, but also can pollute the intraoral supporters which are tried out but not selected. Therefore, there is a need for an intraoral support that can flexibly adjust the size of the opening according to the patient's condition.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing an intraoral support with adjustable opening degree.

In order to solve the technical problems, the utility model adopts the following technical scheme:

an intraoral support with adjustable opening degree comprises two tooth pads, wherein the end parts of the two tooth pads are hinged through a self-locking structure, so that the two tooth pads can be repeatedly locked and fixed at different included angles.

As a further improvement of the above technical scheme:

one of the tooth pads is formed with a first monaural seat, and the other tooth pad is formed with a second monaural seat; the self-locking structure comprises a sleeve and a shaft lever; one end of the sleeve is fixedly connected with the first single-lug seat, and the other end of the sleeve is provided with a first face gear; the shaft rod sequentially penetrates through the first single-lug seat, the sleeve and the second single-lug seat, the shaft rod and the second single-lug seat are fixed in the circumferential direction, and an end face gear II is formed in the middle of the shaft rod; by moving the shaft in the longitudinal direction, the engagement or disengagement of the face gear one and the face gear two can be controlled.

The shaft lever is provided with a plurality of protruding edges along the length direction, a plurality of grooves are formed in the hole of the second monaural seat along the length direction, and the protruding edges are embedded with the grooves and used for limiting the shaft lever and the second monaural seat to rotate relatively.

One end of the shaft lever, which is away from the first single lug seat, is provided with a baffle for preventing the shaft lever from falling out, and the other end of the shaft lever protrudes from the first single lug seat; and a spring is clamped between the second face gear and the second single lug seat, and the spring is sleeved on the shaft lever.

An elastic or flexible protection pad is arranged on one surface of the back of the bite-block away from the other bite-block.

The protection pad protrudes out of the tooth pad, and one surface of the protection pad, which is away from the tooth pad, is wavy.

At least one of the tooth pads is provided with an illuminating lamp on one surface facing the other tooth pad, and the illuminating lamp is powered by a battery built in the tooth pad.

The shaft lever and the first monaural seat are provided with a scale for displaying the included angle of the two bite blocks.

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

through setting up the auto-lock structure for the intraoral support ware can be through adjusting the different opening degrees of formation, thereby effectively improve the suitability.

Drawings

FIG. 1 is a schematic view of the structure of an intraoral support (view I, face gear I and face gear II engaged);

FIG. 2 is a schematic view of the structure of the intraoral support (view II, face gear I separated from face gear I);

FIG. 3 is an exploded schematic view of an intraoral support;

fig. 4 is a schematic view of the structure of the intraoral support (view three);

fig. 5 is a schematic structural view of the self-locking structure.

The reference numerals in the drawings denote: 1. a bite-block; 2. a self-locking structure; 21. a sleeve; 211. face gear one; 22. a shaft lever; 221. face gears II; 222. a rib; 223. a baffle; 3. a first single ear seat; 4. a second single ear seat; 41. a groove; 5. a spring; 6. a protective pad; 7. a lighting lamp; 8. a ruler.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

As shown in fig. 1 to 5, the intraoral support with adjustable opening degree of the present embodiment includes two bite-blocks 1, and the end portions of the two bite-blocks 1 are hinged through a self-locking structure 2, so that the two bite-blocks 1 can be repeatedly locked and fixed at different included angles. When the dental pad is used, the upper dentition of a patient is abutted with the dental pad 1 positioned on the upper side, and the lower dentition is abutted with the dental pad 1 positioned on the lower side, and the two dental pads 1 are locked and fixed, so that the upper dentition and the lower dentition can be simultaneously supported, and the occlusion of the patient is avoided. In order to realize the angle adjustment of the two bite-blocks 1, the technical scheme of the utility model also discloses a self-locking structure 2 for hinging the two bite-blocks 1, which is matched with a monaural seat 3 formed on one bite-block 1 and a monaural seat 4 formed on the other bite-block 1. Specifically, the self-locking structure 2 includes a sleeve 21, one end of which is fixedly connected with the monaural seat one 3, and the other end of which is formed with a face gear one 211; the first face gear 211 is fixedly connected with the sleeve 21, the sleeve 21 is fixedly connected with the first monaural seat 3, and the first monaural seat 3 is fixedly connected with the corresponding tooth pad 1, so that the position relation between the first face gear 211 and the corresponding tooth pad 1 is fixed. The self-locking structure 2 further comprises a shaft lever 22 which sequentially penetrates through the first single-lug seat 3, the sleeve 21 and the second single-lug seat 4, the shaft lever 22 and the second single-lug seat 4 are fixed along the circumferential direction, and an end face gear 221 is formed in the middle of the shaft lever 22; since the second face gear 221 is fixedly connected with the shaft lever 22, the shaft lever 22 and the second monaural seat 4 are fixed in the circumferential direction, and only a moving space in the axial direction exists between the second monaural seat 4 and the corresponding bite block 1, only a moving space in the axial direction of the shaft lever 22 exists between the second face gear 221 and the corresponding bite block 1, that is, when the second face gear 221 rotates, the corresponding bite block 1 will turn over. When the shaft lever 22 is moved to enable the first face gear 211 and the second face gear 221 to reversely move until being separated, after the mutual limitation of the first face gear 211 and the second face gear 221 is lost, the two bite blocks 1 can relatively turn over so as to change the included angle; when the first face gear 211 and the second face gear 221 are moved toward each other by the moving shaft 22 until they are engaged, the relative positions of the two bite blocks 1 are locked, and the angle between the two bite blocks 1 will not change even if pushed by an external force, so that the intraoral support in this state can provide support for the upper and lower dentitions of the patient. In a specific operation, the first face gear 211 is separated from the second face gear 221 by moving the shaft 22 in the length direction, and the bite block 1 is turned over to form a proper angle in this state, and then the second face gear 221 is engaged with the first face gear 211 by moving the shaft 22 in the opposite direction, so that the two bite blocks 1 are locked. Compared with the intraoral support in the prior art, the technical scheme disclosed by the utility model can form different opening degrees through adjustment, so that the adaptability is effectively improved.

In this embodiment, in order to realize that the shaft 22 can freely move in the length direction in the monaural seat two 4 but does not rotate relatively, the shaft 22 is formed with a plurality of ribs 222 along the length direction, a plurality of grooves 41 are formed in the hole of the monaural seat two 4 along the length direction, the ribs 222 are engaged with the grooves 41, when the shaft 22 moves in the length direction in the monaural seat two 4, the ribs 222 slide in the grooves 41 synchronously, and when the shaft 22 generates a rotation trend relative to the monaural seat two 4, the ribs 222 are blocked by the grooves 41.

In this embodiment, in order to facilitate the control of the engagement and disengagement of the face gear one 211 and the face gear two 221, a blocking piece 223 for preventing the shaft lever 22 from being disengaged is formed at one end of the shaft lever 22 facing away from the monaural seat one 3, the other end protrudes from the monaural seat one 3, and a spring 5 is interposed between the face gear two 221 and the monaural seat two 4, and the spring 5 is sleeved on the shaft lever 22. When the first face gear 211 and the second face gear 221 need to be controlled to be separated, the shaft lever 22 protruding from the first monaural seat 3 is pushed in the length direction, and under the action of force, the shaft lever 22 compresses the spring 5 and drives the second face gear 221 to move away from the first face gear 211 until the first face gear and the second face gear are separated. When the first face gear 211 is required to be meshed with the second face gear 221, the second face gear 221 is pushed to move towards the first face gear 211 under the action of the elastic force of the spring 5 only by loosening hands until the first face gear 211 and the second face gear 221 are meshed.

In this embodiment, the side of the bite block 1 facing away from the other bite block 1 is provided with a resilient or flexible guard 6. The protecting pad 6 protrudes out of the tooth pad 1, and one surface of the protecting pad 6, which is away from the tooth pad 1, is wavy. Through setting up protection pad 6, patient's tooth will be direct with protection pad 6 contact, and protection pad 6 is elasticity or flexible form, can play the cushioning effect to avoid patient's tooth and the hard bump of bite-block 1.

In this embodiment, at least one bite-block 1 is provided with a lighting lamp 7 on a side facing the other bite-block 1, and the lighting lamp 7 is powered by a battery built in the bite-block 1. Through set up light 7 on bite-block 1, when the patient wears intraoral support ware, light 7 throws light to patient's oral cavity to can be convenient for doctor observe.

In this embodiment, the shaft 22 and the first ear seat 3 are provided with a scale 8 for displaying the angle between the two bite blocks 1. Specifically, an arrow mark is provided on a side wall of a portion of the shaft lever 22 protruding the first monaural seat 3, scales are correspondingly provided on an end surface of the first monaural seat 3, when the two bite-blocks 1 are turned over relatively, the shaft lever 22 rotates synchronously with respect to the first monaural seat 3, and at this time, the scales pointed by the arrow mark can reflect the angle of the two bite-blocks 1.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. An intraoral support with adjustable opening degree, which is characterized in that: the tooth pad comprises two tooth pads (1), wherein the end parts of the two tooth pads (1) are hinged through a self-locking structure (2), so that the two tooth pads (1) can be repeatedly locked and fixed at different included angles; one dental pad (1) is formed with a first monaural seat (3), and the other dental pad (1) is formed with a second monaural seat (4); the self-locking structure (2) comprises a sleeve (21) and a shaft lever (22); one end of the sleeve (21) is fixedly connected with the first single-lug seat (3), and the other end of the sleeve is provided with a first face gear (211); the shaft lever (22) sequentially penetrates through the first single-lug seat (3), the sleeve (21) and the second single-lug seat (4), the shaft lever (22) and the second single-lug seat (4) are fixed in the circumferential direction, and an end face gear II (221) is formed in the middle of the shaft lever (22); by moving the shaft (22) in the longitudinal direction, the engagement or disengagement of the face gear one (211) and the face gear two (221) can be controlled.

2. The opening degree-adjustable intraoral support according to claim 1, wherein: the shaft lever (22) is provided with a plurality of protruding edges (222) along the length direction, a plurality of grooves (41) are formed in the hole of the single-lug seat II (4) along the length direction, and the protruding edges (222) are embedded with the grooves (41) and used for limiting the shaft lever (22) and the single-lug seat II (4) to rotate relatively.

3. The opening degree-adjustable intraoral support according to claim 2, wherein: one end of the shaft lever (22) deviating from the single-lug seat I (3) is provided with a baffle (223) for preventing the shaft lever (22) from falling out, and the other end of the shaft lever protrudes from the single-lug seat I (3); a spring (5) is clamped between the face gear II (221) and the monaural seat II (4), and the spring (5) is sleeved on the shaft lever (22).

4. An opening degree-adjustable intraoral support according to any one of claims 1 to 3, wherein: one surface of the tooth pad (1) away from the other tooth pad (1) is provided with an elastic or flexible protection pad (6).

5. The adjustable opening degree intraoral support according to claim 4, wherein: the protection pad (6) protrudes out of the bite-block (1), and one surface of the protection pad (6) deviating from the bite-block (1) is wavy.

6. An opening degree-adjustable intraoral support according to any one of claims 1 to 3, wherein: at least one dental pad (1) is provided with an illuminating lamp (7) on one surface facing the other dental pad (1), and the illuminating lamp (7) is powered by a battery built in the dental pad (1).

7. An opening degree-adjustable intraoral support according to any one of claims 1 to 3, wherein: the staff rod (22) and the single ear seat I (3) are jointly provided with a staff gauge (8) for displaying the included angle of the two tooth pads (1).