CN215899762U

CN215899762U - Novel oral cavity tractive ware

Info

Publication number: CN215899762U
Application number: CN202122375562.2U
Authority: CN
Inventors: 耿莎; 刘青; 顾青; 郭文莉
Original assignee: Hospital of Stomatology of Xian Jiaotong University
Current assignee: Hospital of Stomatology of Xian Jiaotong University
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-25
Anticipated expiration: 2031-09-29

Abstract

The utility model provides a novel oral cavity retractor, which comprises a base, wherein the surface of the base is rotatably connected with a driving shaft, the top end of the driving shaft is rotatably connected with a mounting plate, two sides of the mounting plate are both rotatably connected with threaded sleeves through bearings, threaded rods are connected in the threaded sleeves in a threaded manner, and the top ends of the threaded rods are rotatably connected with second connecting plates. The utility model provides a novel oral cavity retractor, which can automatically position after expanding the side surface of the oral cavity of a patient by a cheek retractor through pulling a handle to two sides by a user under the action of a first spring, a movable rod, a limiting block, a wedge-shaped block and a second spring, is convenient to use, reduces the labor intensity of the user and can achieve the best traction effect.

Description

Novel oral cavity tractive ware

Technical Field

The utility model relates to the technical field of oral cavities, in particular to a novel oral cavity retractor.

Background

The retractor is also called a drag hook, is used for dragging tissues and exposing an operation field, is convenient to explore and operate, and can be divided into a handheld retractor and an automatic retractor.

The oral cavity tractor of present work, because patient's oral cavity is opened for a long time and can be produced saliva, the oral cavity treatment in-process that can cause, separate wet difficulty or separate wet failure to cause the poor consequence of oral cavity treatment effect, and present oral cavity tractor, the function is single, can not satisfy clinical demand, because need change the tractive ware of different form structures between the different tooth position, consequently, it is necessary to provide a novel oral cavity tractive ware.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel oral cavity retractor to solve the technical problems.

In order to solve the technical problems, the novel oral cavity retractor provided by the utility model comprises a base, wherein the surface of the base is rotatably connected with a driving shaft, the top end of the driving shaft is rotatably connected with a mounting plate, two sides of the mounting plate are rotatably connected with threaded sleeves through bearings, threaded rods are connected in the threaded sleeves in a threaded manner, the top ends of the threaded rods are rotatably connected with second connecting plates, the surface of the top parts of the threaded sleeves is fixedly connected with a first connecting plate, one sides of the first connecting plate and the second connecting plate are fixedly connected with arc-shaped attaching plates, one sides of the arc-shaped attaching plates are fixedly connected with dental brackets through fixed rods, one side of the first connecting plate is fixedly connected with a mounting block, a movable groove is formed in the mounting block, limiting blocks are symmetrically and fixedly connected in the movable groove, and the surfaces of the limiting blocks are in sliding connection with the inner walls of the movable groove, the one side fixedly connected with movable rod of stopper, the wedge groove has been seted up to one side of movable rod, the surface cover of movable rod is equipped with first spring, the one end fixedly connected with fixed block of movable rod, one side fixedly connected with cheek drag hook of fixed block.

Preferably, one side of the fixing block, which is far away from the cheek drag hook, is fixedly connected with a handle.

Preferably, the bottom fixedly connected with rolling disc on drive shaft surface, the top fixedly connected with action wheel on drive shaft surface, the fixed surface of screw sleeve bottom is connected with from the driving wheel, the action wheel passes through the belt and is connected with from the driving wheel transmission.

Preferably, the fixed slot has been seted up to the inner wall of activity groove, the inner wall sliding connection of fixed slot has the slide, one side fixedly connected with wedge of slide, the wedge uses with the wedge groove cooperation, one side fixedly connected with pull rod of slide, the surface cover of pull rod is equipped with the second spring.

Preferably, one end of the pull rod penetrates through and extends to the outer fixedly connected with connecting rod of the mounting block, and the connecting rod is fixedly connected with a pull ring.

Preferably, the surface of the threaded sleeve is fixedly connected with a fixing plate, and a bracket is arranged on the fixing plate.

Compared with the related art, the novel oral cavity retractor provided by the utility model has the following beneficial effects:

the utility model provides a novel oral cavity retractor, which can adjust the degree of the required expansion of the oral cavity by rotating a rotating disc and adjusting the distance between a first connecting plate and a second connecting plate, is convenient to use and simple in structure, can automatically position after expanding the side of the oral cavity of a patient by a cheek retractor under the action of a first spring, a movable rod, a limiting block, a wedge-shaped block and a second spring by pulling handles to two sides by a user, is convenient to use, reduces the labor intensity of the user and can achieve the optimal traction effect, has simple structure and low manufacturing cost, greatly reduces the cost of the patient and a hospital, has no difficulty in operation, does not need training, can be operated and used by the user, isolates saliva in the oral cavity by arranging a tongue embedding groove, thereby ensuring the treatment effect on the oral cavity, and can adjust the size of the oral cavity in the horizontal direction and the vertical direction, thereby adjusting the degree of oral cavity expansion and leading the application range of the tractor to be wide.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the novel oral retractor of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a state diagram of the portion A shown in FIG. 2;

fig. 4 is a side view of the portion shown in fig. 1.

Reference numbers in the figures: 1. the base, 2, the drive shaft, 3, the rolling disc, 4, the mounting panel, 5, the action wheel, 6, the threaded sleeve, 7, from the driving wheel, 8, the threaded rod, 9, the fixed plate, 10, hold in the palm the groove, 11, first connecting plate, 12, the second connecting plate, 13, arc laminating board, 14, the denture fixing device, 15, the installation piece, 16, the activity groove, 17, the stopper, 18, the movable rod, 19, the wedge groove, 20, first spring, 21, the fixed slot, 22, the slide, 23, the wedge, 24, the pull rod, 25, the second spring, 26, the connecting rod, 27, the pull ring, 28, the fixed block, 29, the drag hook, 30, the handle, 31, the tongue embedded groove.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of the novel oral retractor of the present invention; FIG. 2 is a top view of FIG. 1; FIG. 3 is a state diagram of the portion A shown in FIG. 2; fig. 3 is a side view of the portion shown in fig. 1.

The novel oral cavity retractor comprises a base 1, wherein the surface of the base 1 is rotatably connected with a driving shaft 2, the top end of the driving shaft 2 is rotatably connected with a mounting plate 4, two sides of the mounting plate 4 are rotatably connected with a threaded sleeve 6 through bearings, the threaded sleeve 6 is in threaded connection with a threaded rod 8, the top end of the threaded rod 8 is rotatably connected with a second connecting plate 12, the surface of the top of the threaded sleeve 6 is fixedly connected with a first connecting plate 11, one sides of the first connecting plate 11 and the second connecting plate 12 are fixedly connected with an arc-shaped attaching plate 13, one side of the arc-shaped attaching plate 13 is fixedly connected with a denture base 14 through a fixed rod, a tooth socket is formed on the denture base 14 and used for placing teeth, one side of the first connecting plate 11 is fixedly connected with a mounting block 15, a movable groove 16 is formed in the mounting block 15, and a limiting block 17 is fixedly connected with the inner symmetry of the movable groove 16, the surface of stopper 17 and the inner wall sliding connection of activity groove 16, one side fixedly connected with movable rod 18 of stopper 17, wedge groove 19 has been seted up to one side of movable rod 18, the surperficial cover of movable rod 18 is equipped with first spring 20, the one end fixedly connected with fixed block 28 of movable rod 18, one side fixedly connected with cheek drag hook 29 of fixed block 28.

A handle 30 is fixedly connected to one side of the fixing block 28 far away from the cheek drag hook 29.

The bottom fixedly connected with rolling disc 3 on drive shaft 2 surface, the top fixedly connected with action wheel 5 on drive shaft 2 surface, the fixed surface of threaded sleeve 6 bottom is connected with from driving wheel 7, action wheel 5 is connected with from driving wheel 7 transmission through the belt.

Fixed slot 21 has been seted up to the inner wall of activity groove 16, the inner wall sliding connection of fixed slot 21 has slide 22, one side fixedly connected with wedge 23 of slide 22, wedge 23 and the cooperation of wedge 19 are used, one side fixedly connected with pull rod 24 of slide 22, the surface cover of pull rod 24 is equipped with second spring 25.

One end of the pull rod 24 penetrates through and extends to the outer part of the mounting block 15 to be fixedly connected with a connecting rod 26, and a pull ring 27 is fixedly connected to the connecting rod 26.

The fixed surface of threaded sleeve 6 is connected with fixed plate 9, be provided with on fixed plate 9 and hold in the palm groove 10, hold in the palm and be provided with cotton pad in the groove 10, cotton pad improves the comfort level, holds in the palm the effect that groove 10 played support and protection to patient's chin, comfort level when guaranteeing patient's treatment.

One side of the denture base 14 is fixedly connected with a tongue embedded groove 31, and the tongue embedded groove 31 is used for placing the tongue and isolating moisture during dental treatment.

The working principle of the novel oral cavity retractor provided by the utility model is as follows:

when the device is used, firstly, the device is placed at a designated position, the chin of a patient is placed in the bracket 10, the arc-shaped attaching plate 13 is firstly contacted with the face of the patient, the cheek drag hook 29 is aligned with the mouth corner of the patient, simultaneously, teeth are placed in the tooth sockets of the two brackets 14, then a user rotates the rotating disc 3, the driving shaft 2 is matched with the driven wheel 7 through the driving wheel 5 to drive the two threaded sleeves 6 to rotate, the threaded rod 8 and the threaded sleeves 6 drive the second connecting plate 12 to ascend in a threaded manner, the distance between the first connecting plate 11 and the second connecting plate 12 is adjusted, so that the distance between the upper teeth and the lower teeth is adjusted, when the oral cavity of the patient is opened to a proper angle, the user stops rotating the rotating disc 3, when the side of the oral cavity needs to be expanded, the user pulls the handles 30 to two sides, so that the fixed block 28 drives the limit block 17 at one end of the movable rod 18 to move, make cheek drag hook 29 on the fixed block 28 remove to suitable position after, make patient's oral cavity side stretch to suitable angle, make first spring 20 compress, simultaneously under the effect of second spring 25, the automatic location of accomplishing fixed block 28 in wedge 23 and wedge 19's mating reaction, after the treatment, through pulling pull ring 27, through connecting rod 26 pulling pull rod 24 remove and wedge 23 breaks away from wedge 19, under the effect of first spring 20, make cheek drag hook 29 get back to initial position, reverse rotation rolling disc 3 simultaneously, make second connecting plate 12 descend, go back to initial position, then take out from patient's oral cavity.

the utility model provides a novel oral cavity retractor, which can adjust the degree of the required expansion of the oral cavity by rotating a rotating disc 3 and adjusting the distance between a first connecting plate 11 and a second connecting plate 12, is convenient to use and simple in structure, can automatically position after expanding the side of the oral cavity of a patient by using a cheek retractor 29 by pulling a handle 30 to two sides by using a user under the action of a first spring 20, a movable rod 18, a limiting block 17, a wedge block 23 and a second spring 25, is convenient to use, reduces the labor intensity of the user and can achieve the optimal traction effect, has simple structure and low manufacturing cost, greatly lightens the cost of the patient and a hospital, has no difficulty in operation and no need of training, can be operated and used by using the user by hands, and can isolate saliva in the oral cavity by arranging a tongue embedded groove 31 so as to ensure the treatment effect of the oral cavity, the tractor can adjust the size of the oral cavity in the horizontal direction and the vertical direction, so that the degree of the oral cavity expansion is adjusted, and the application range of the tractor is wide.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a novel oral cavity tractive ware, includes the base, its characterized in that: the surface of the base is rotatably connected with a driving shaft, the top end of the driving shaft is rotatably connected with a mounting plate, two sides of the mounting plate are rotatably connected with threaded sleeves through bearings, threaded rods are connected with the threaded sleeves in a threaded manner, the top end of the threaded rods is rotatably connected with a second connecting plate, the surface of the top of the threaded sleeves is fixedly connected with a first connecting plate, one sides of the first connecting plate and the second connecting plate are fixedly connected with arc-shaped attaching plates, one sides of the arc-shaped attaching plates are fixedly connected with tooth supports through fixed rods, one side of the first connecting plate is fixedly connected with a mounting block, a movable groove is formed in the mounting block, limit blocks are symmetrically and fixedly connected with the inner part of the movable groove, the surfaces of the limit blocks are connected with the inner wall of the movable groove in a sliding manner, a movable rod is fixedly connected with one side of the limit blocks, and a wedge-shaped groove is formed in one side of the movable rod, the surface cover of movable rod is equipped with first spring, the one end fixedly connected with fixed block of movable rod, one side fixedly connected with cheek drag hook of fixed block.

2. The novel oral retractor of claim 1 wherein: and one side of the fixed block, which is far away from the cheek drag hook, is fixedly connected with a handle.

3. The novel oral retractor of claim 1 wherein: the bottom fixedly connected with rolling disc on drive shaft surface, the top fixedly connected with action wheel on drive shaft surface, the fixed surface of screw sleeve bottom is connected with from the driving wheel, the action wheel passes through the belt and is connected with from the driving wheel transmission.

4. The novel oral retractor of claim 1 wherein: the fixed slot has been seted up to the inner wall of activity groove, the inner wall sliding connection of fixed slot has the slide, one side fixedly connected with wedge of slide, the wedge uses with the wedge cooperation of groove, one side fixedly connected with pull rod of slide, the surface cover of pull rod is equipped with the second spring.

5. The novel oral retractor of claim 4 wherein: one end of the pull rod penetrates through and extends to the connecting rod fixedly connected with the outer portion of the mounting block, and the connecting rod is fixedly connected with a pull ring.

6. The novel oral retractor of claim 1 wherein: the surface of the threaded sleeve is fixedly connected with a fixing plate, and a bracket is arranged on the fixing plate.