CN210330532U

CN210330532U - Oral cavity distraction device that department of stomatology used

Info

Publication number: CN210330532U
Application number: CN201920591384.7U
Authority: CN
Inventors: 樊筱瑜; 刘沂; 许涛; 高希花
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-04-17
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses an oral cavity distraction device that department of stomatology used relates to medical instrument technical field, and it includes the casing, shells inner wall's back joint has rotary device, rotary device and ratch meshing, the positive fixedly connected with connecting rod of ratch, a plurality of draw-in groove has been seted up to the left surface of connecting rod. This oral cavity distraction device that department of stomatology used, through changeing the board, rotary device, the ratch, draw the piece, the fixed plate, mutually supporting of fly leaf and expansion board, at first people put two expansion boards respectively in patient's tooth department earlier, then draw the piece left pulling, make the kelly break away from the draw-in groove, then rotatory commentaries on classics board, it is rotatory that the commentaries on classics board drives the pivot, the pivot drives the gear rotation, then advance the draw-in groove with the kelly joint again, just can fix patient's oral cavity, can not occupy medical staff's a hand all the time when strutting patient's oral cavity, bring the convenience when using for medical staff.

Description

Oral cavity distraction device that department of stomatology used

Technical Field

The utility model relates to the technical field of medical equipment, specifically be an oral cavity distraction device that department of stomatology used.

Background

Medical instruments refer to instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software.

When examining the oral cavity, can use oral cavity distraction device to fix patient's oral cavity, current oral cavity distraction device generally uses expansion pincers to fix the oral cavity, when expanding the oral cavity, need occupy medical staff one hand all the time and just can keep the state of strutting with patient's oral cavity, brings inconvenience when using for medical staff.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an oral cavity distraction device that department of stomatology used has solved current oral cavity distraction device and has generally all used expansion pincers to fix the oral cavity, when expanding the oral cavity, need occupy all the time that a medical staff hand just can keep the problem of the state of strutting with patient's oral cavity.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides an oral cavity distraction device that department of stomatology used, includes the casing, shells inner wall's back joint has rotary device, rotary device and ratch meshing, the positive fixedly connected with connecting rod of ratch, a plurality of draw-in groove has been seted up to the left surface of connecting rod, the left surface joint of casing has the cutting ferrule, the cutting ferrule has cup jointed the kelly in the cutting ferrule, the right-hand member joint of kelly advances in one of them draw-in groove, the left end fixedly connected with of kelly draws the piece.

The spring has been cup jointed on the surface of kelly, the left end fixed connection of spring is in the right flank of drawing the piece, the right-hand member fixed connection of spring is at the left surface of cutting ferrule, the through-hole has been seted up to the right flank of casing, the right flank fixedly connected with fly leaf of connecting rod, the top fixedly connected with fixed plate of casing right flank, and the position of fixed plate and fly leaf is corresponding, the equal fixedly connected with fixed block in the back of fixed plate and fly leaf, and the equal fixedly connected with expansion plate in the back of two fixed blocks, and the alveolus has all been seted up to the one side that two expansion plates kept away.

Preferably, rotary device includes first bearing, the one end joint at the first bearing back is at the back of shells inner wall, the pivot has been cup jointed in the first bearing, the surperficial joint of pivot has the gear, gear and ratch meshing, the surface of pivot has cup jointed the second bearing, and the positive one end joint of second bearing is in the front of casing.

Preferably, one end of the front surface of the rotating shaft is fixedly connected with a rotating plate, and the rotating plate is circular.

Preferably, the top and the bottom of connecting rod all fixedly connected with telescopic link, and the top fixed connection of telescopic link is at shells inner wall's upper surface.

Preferably, a protection pad is arranged in the alveolus and is a silica gel pad.

Preferably, the clamping rod is rectangular, and the clamping sleeve is rectangular.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. this oral cavity distraction device that department of stomatology used, through the runner plate, rotary device, the ratch, draw the piece, the fixed plate, mutually supporting of fly leaf and expansion board, at first people put two expansion boards respectively in patient's tooth department earlier, then stimulate the piece left, make the kelch break away from the draw-in groove, then rotatory runner plate, it is rotatory that the runner plate drives the pivot, the pivot drives the gear rotation, the gear drives the ratch and makes the fly leaf upwards or move down, the ratch makes the fly leaf upwards or move down, make the expansion board remove to suitable position, then in advancing the draw-in groove with the kelch joint, just can fix patient's oral cavity, can not occupy medical staff's a hand all the time when strutting patient's oral cavity, it is convenient to bring when using for medical staff.

2. This oral cavity distraction device that department of stomatology used is the rectangle through the shape that sets up kelly and cutting ferrule, can avoid the kelly to take place rotatoryly when removing to make the kelly more stable when removing, through setting up the telescopic link, can make the connecting rod can not take place the skew when reciprocating, make the ratch can not the skew when reciprocating, thereby make the fly leaf more steady when reciprocating.

3. This oral cavity distraction device that department of stomatology used, through setting up the protection pad, can put when the tooth is in the alveolus, play the effect of protection to people's tooth, can also increase the friction of tooth and expansion plate simultaneously, make it can not take place to remove when fixed, through setting up the spring, when the draw-in groove is gone into in the draw-in groove to the draw-in groove, the spring is because the elasticity of self can give an effort to the right of draw-in groove, thereby make inseparabler of draw-in groove and draw-in groove joint, make the connecting rod more stable when fixed.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged schematic view of part A of the present invention;

fig. 4 is a schematic top view of the present invention;

fig. 5 is a left-side view schematic diagram of the rotating device of the present invention.

In the figure: the device comprises a shell 1, a rotating device 2, a first bearing 21, a rotating shaft 22, a second bearing 23, a gear 24, a toothed bar 3, a connecting rod 4, a telescopic rod 5, a clamping groove 6, a clamping sleeve 7, a clamping bar 8, a spring 9, a pulling block 10, a movable plate 11, a through hole 12, a fixing plate 13, a fixing block 14, an expansion plate 15, a tooth socket 16, a protective pad 17 and a rotating plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: an oral cavity distraction device used in department of stomatology comprises a shell 1, a rotating device 2 is connected to the back of the inner wall of the shell 1 in a clamping manner, the rotating device 2 comprises a first bearing 21, one end of the back of the first bearing 21 is connected to the back of the inner wall of the shell 1 in a clamping manner, a rotating shaft 22 is connected in the first bearing 21 in a sleeving manner, a gear 24 is connected to the surface of the rotating shaft 22 in a clamping manner, the gear 24 is meshed with a toothed bar 3, a second bearing 23 is connected to the surface of the rotating shaft 22 in a clamping manner, one end of the front of the second bearing 23 is connected to the front of the shell 1 in a clamping manner, by arranging the rotating device 2, the rotating shaft 22 in the rotating device 2 rotates to drive the gear 24 to rotate, the toothed bar 3 to move upwards or downwards, so that a movable plate 11 moves upwards and downwards, a rotating plate 18 is fixedly connected to one end of the front, thereby facilitating people to adjust the position of the movable plate 11, the rotating device 2 is meshed with the toothed bar 3, the connecting rod 4 is fixedly connected to the front of the toothed bar 3, the telescopic rod 5 is fixedly connected to the top end and the bottom end of the connecting rod 4, and the top end of the telescopic rod 5 is fixedly connected to the upper surface of the inner wall of the shell 1, by arranging the telescopic rod 5, the connecting rod 4 can not deviate when moving up and down, so that the toothed bar 3 can not deviate when moving up and down, thereby the movable plate 11 can more stably move up and down, the left side surface of the connecting rod 4 is provided with a plurality of clamping grooves 6, the left side surface of the shell 1 is clamped with the clamping sleeve 7, the clamping bar 8 is sleeved in the clamping sleeve 7, the clamping bar 8 is rectangular, the clamping sleeve 7 is rectangular, by arranging the clamping bar 8 and the clamping sleeve 7 to be rectangular, the rotation of the clamping bar 8 when moving can be, the right end of the clamping rod 8 is clamped into one clamping groove 6, and the left end of the clamping rod 8 is fixedly connected with a pulling block 10.

The surface of the clamping rod 8 is sleeved with a spring 9, by arranging the spring 9, when the clamping rod 8 is clamped into the clamping groove 6, the spring 9 can give a rightward acting force to the clamping rod 8 due to the self elasticity, so that the clamping rod 8 is clamped with the clamping groove 6 more tightly, the connecting rod 4 is more stable when being fixed, the left end of the spring 9 is fixedly connected to the right side surface of the pulling block 10, the right end of the spring 9 is fixedly connected to the left side surface of the clamping sleeve 7, the right side surface of the shell 1 is provided with a through hole 12, the right side surface of the connecting rod 4 is fixedly connected with a movable plate 11, a fixed plate 13 is fixedly connected above the right side surface of the shell 1, the positions of the fixed plate 13 and the movable plate 11 are corresponding, the fixed blocks 14 are fixedly connected to the back surfaces of the fixed plate 13 and the movable plate 11, and expansion plates 15 are fixedly connected to the back surfaces of, and the tooth socket 16 has all been seted up to the one side that two expansion plates 15 kept away from mutually, is provided with protection pad 17 in the tooth socket 16, and protection pad 17 is the silica gel pad, through setting up protection pad 17, can play the effect of protection to people's tooth when tooth is put in tooth socket 16, can also increase the friction of tooth and expansion plate 15 simultaneously, makes it can not take place to remove when fixed.

The utility model discloses an operating procedure does:

s1, firstly, putting two expansion plates 15 into the oral cavity of a person, and then putting the teeth of the patient into tooth sockets 16 in the expansion plates 15;

s2, pulling the pulling block 10 to the left, the pulling block 10 driving the locking rod 8 to move to the left, so as to disengage the locking rod 8 from the locking slot 6, then rotating the rotating plate 18, the rotating plate 18 rotating to drive the rotating shaft 22 to rotate, the rotating shaft 22 driving the gear 24 to rotate, the gear 24 rotating to drive the rack 3 to move upward or downward, so as to move the movable plate 11 upward or downward, so as to move the expansion plate 15 upward or downward;

s3, when the mouth of the patient is expanded to a proper position, the pulling block 10 is loosened, the spring 9 drives the clamping rod 8 to move rightwards due to the elasticity of the spring, so that the clamping rod 8 is clamped into one clamping groove 6, the position of the connecting rod 4 can be fixed, and the position of the expansion plate 15 is fixed.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An oral cavity distraction device for use in stomatology, comprising a housing (1), characterized in that: the back of the inner wall of the shell (1) is clamped with a rotating device (2), the rotating device (2) is meshed with a toothed bar (3), the front of the toothed bar (3) is fixedly connected with a connecting rod (4), the left side of the connecting rod (4) is provided with a plurality of clamping grooves (6), the left side of the shell (1) is clamped with a clamping sleeve (7), the clamping bar (8) is sleeved in the clamping sleeve (7), the right end of the clamping bar (8) is clamped into one of the clamping grooves (6), and the left end of the clamping bar (8) is fixedly connected with a pull block (10);

spring (9) has been cup jointed on the surface of kelly (8), the left end fixed connection of spring (9) is at the right flank of drawing piece (10), the right-hand member fixed connection of spring (9) is at the left surface of cutting ferrule (7), through-hole (12) have been seted up to the right flank of casing (1), the right flank fixedly connected with fly leaf (11) of connecting rod (4), the top fixedly connected with fixed plate (13) of casing (1) right flank, and the position of fixed plate (13) and fly leaf (11) is corresponding, the equal fixedly connected with fixed block (14) in the back of fixed plate (13) and fly leaf (11), and the equal fixedly connected with expansion plate (15) in the back of two fixed blocks (14), and alveolus (16) have all been seted up to the one side that two expansion plate (15) kept away from mutually.

2. An oral cavity distracting device for use in the oral cavity as set forth in claim 1, wherein: rotating device (2) include first bearing (21), the one end joint at the first bearing (21) back is at the back of casing (1) inner wall, pivot (22) have been cup jointed in first bearing (21), the surface joint of pivot (22) has gear (24), gear (24) and ratch (3) meshing, second bearing (23) have been cup jointed on the surface of pivot (22), and the positive one end joint of second bearing (23) is in the front of casing (1).

3. An oral cavity distracting device for use in the oral cavity as set forth in claim 2, wherein: the front end of the rotating shaft (22) is fixedly connected with a rotating plate (18), and the shape of the rotating plate (18) is circular.

4. An oral cavity distracting device for use in the oral cavity as set forth in claim 1, wherein: the top and the bottom of connecting rod (4) are all fixedly connected with telescopic link (5), and the top fixed connection of telescopic link (5) is at the upper surface of casing (1) inner wall.

5. An oral cavity distracting device for use in the oral cavity as set forth in claim 1, wherein: a protective pad (17) is arranged in the tooth socket (16), and the protective pad (17) is a silica gel pad.

6. An oral cavity distracting device for use in the oral cavity as set forth in claim 1, wherein: the clamping rod (8) is rectangular, and the clamping sleeve (7) is rectangular.