CN112773307A - Oral cavity expanding device - Google Patents
Oral cavity expanding device Download PDFInfo
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- CN112773307A CN112773307A CN202011637788.9A CN202011637788A CN112773307A CN 112773307 A CN112773307 A CN 112773307A CN 202011637788 A CN202011637788 A CN 202011637788A CN 112773307 A CN112773307 A CN 112773307A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/06—Saliva removers; Accessories therefor
- A61C17/10—Saliva removers; Accessories therefor with mouth props, tongue guards, tongue depressors or cheek spreaders
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Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to an oral cavity expanding device which comprises a fixed cylinder, wherein L-shaped rods are arranged on two sides of the fixed cylinder, a supporting sheet is fixed at the top end of each L-shaped rod, a concave fixed groove is formed in one side surface, far away from the L-shaped rods, of each supporting sheet, a second fixed layer is arranged in each fixed groove, and a first fixed layer is fixedly bonded on the outer side wall of each second fixed layer; medical personnel can detain a plurality of fixed plates on the solid fixed ring in proper order, make solid fixed ring corotation or reversal, because of threaded rod and screw thread post intermeshing, the both ends of threaded rod can rotate at will under the effect of mounting groove inner bearing, and the inside upper surface of the lateral wall of screw thread post and fixed cylinder contacts each other, make the screw thread post can be at the inside horizontal slip of fixed cylinder, the position of L type pole and backing sheet is removed to the cooperation dead lever, so that adjust the interval between two backing sheets, so that be applicable to the patient of different oral cavity sizes, enlarge application range.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an oral cavity expanding device.
Background
The oral cavity is the initial part of the alimentary canal, the front part is communicated with the outside through cleft mouth, the back part is continued with the pharynx through the gorge, the oral cavity is provided with organs such as teeth, tongue and the like, the front wall of the oral cavity is provided with structures such as lips, side walls, cheeks, tops, bottoms of the oral cavity, mucous membranes, muscles and the like, the oral cavity is divided into an oral vestibule at the front outer side part and an inherent oral cavity at the back inner side part through an upper dental arch and a lower dental arch, when the upper dental arch and the lower dental arch are occluded, the oral vestibule is communicated with the inherent oral cavity through a gap behind a third molar, and the oral cavity expander is a tool for assisting medical staff.
The prior art has the following problems:
1. the existing oral cavity expander is inconvenient to adjust the distance between two supporting sheets due to the integrated design of the fixing cylinder and the L-shaped rod, is inconvenient to be suitable for patients with different oral cavity sizes, reduces the application range of the oral cavity expander and reduces the comfort of the patients;
2. the existing oral cavity expanding device only plays a role in expanding the two sides of the mouth and the jaw, so that the lower lip of a patient is tightly attached to the gum, the comprehensiveness of looking over by medical staff is reduced, and the oral cavity expanding device has certain limitation;
3. when the existing oral cavity expanding device is fixed in the mouth of a patient for a long time, saliva flows out from two sides of the mouth easily, medical personnel need to wipe the saliva frequently, and the process is complicated.
In order to solve the above problems, an oral cavity expander is provided in the present application.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an oral cavity expanding device which has the characteristics of convenience in adjusting the distance between supporting pieces, wide application range, high use comfort, auxiliary fixation, flow guiding and saliva suction.
In order to achieve the purpose, the invention provides the following technical scheme: an oral cavity expander comprises a fixed cylinder, wherein L-shaped rods are arranged on two sides of the fixed cylinder, a supporting sheet is fixed at the top end of each L-shaped rod, a concave fixing groove is formed in one side face, away from the L-shaped rods, of each supporting sheet, a second fixing layer is arranged in each fixing groove, a first fixing layer is fixedly bonded on the outer side wall of each second fixing layer, a first cotton layer is fixedly arranged on the outer side wall of each first fixing layer, and a plurality of flow guide grooves are formed in the inner side wall of each supporting sheet at equal intervals;
the upper surface of the middle position of the fixed cylinder is provided with a fixed shaft, the top end of the fixed shaft is rotatably connected with a first supporting plate, the end surface of the first supporting plate is fixedly connected with a first spring, the top end of the first spring is fixedly connected with a second supporting plate, the top of the second supporting plate is provided with a clamping plate, the inner side wall of the second supporting plate is symmetrically and equidistantly provided with a plurality of second springs, and the end surfaces of the plurality of second springs are fixedly connected with a supporting plate;
the both ends sliding connection of a fixed section of thick bamboo has the dead lever, the terminal surface of dead lever with L type pole fixed connection, L type pole passes through the dead lever with a fixed section of thick bamboo fixed connection, the dead lever just is close to the fixed screw thread post that is equipped with of one end of a fixed section of thick bamboo, the inside bottom of a fixed section of thick bamboo is rotated and is connected with the threaded rod, the screw thread post with the threaded rod meshing is connected, the mounting groove has been seted up to the inside both ends symmetry of a fixed section of thick bamboo, the mounting groove internal fixation has the bearing, the inside wall of bearing with the terminal surface fixed connection.
Preferably, the flow guide groove is an arc-shaped groove which is concave inwards towards the inclined direction of the support sheet.
Preferably, the second fixing layer is provided with a plurality of clamping plates at equal intervals on one side close to the supporting sheet, the fixing grooves are provided with inward-concave clamping grooves at equal intervals, and the clamping plates and the clamping grooves are matched with each other.
Preferably, in the oral cavity expander according to the present invention, a surface of the first fixing layer and a surface of the support sheet are in the same plane.
Preferably, the opposite surfaces of the two abutting plates are respectively provided with a second cotton layer, and the length and the width of each second cotton layer are the same as those of the abutting plates.
Preferably, the first support plate, the first spring and the second support plate are positioned on the same straight line, and the first support plate, the first spring and the second support plate are obliquely arranged with the fixed cylinder, and the second support plate is positioned at the rear end of the first support plate.
Preferably, the end surface of the fixing rod is provided with a sliding chute, the L-shaped rod is located in the sliding chute, a plurality of third springs are fixed inside the sliding chute, and one end of each third spring, which is far away from the sliding chute, is fixedly connected with the L-shaped rod;
the L-shaped rod is connected with the fixed rod in a sliding mode through the sliding groove and the third spring.
Preferably, the middle position of the threaded rod is fixedly provided with a fixing ring, the outer side wall of the fixing ring is fixed with a plurality of fixing plates at equal intervals, and the outer side wall of each fixing plate is fixedly provided with a connecting layer.
As a preferable aspect of the oral cavity expander of the present invention, an outer sidewall of the screw post and an inner upper surface of the fixed cylinder are in contact with each other.
Preferably, the middle position of the fixed cylinder is provided with a notch, and a sealing plate is arranged in the fixed cylinder and close to the notch.
Compared with the prior art, the invention has the beneficial effects that:
1. medical personnel can detain a plurality of fixed plates on the solid fixed ring in proper order, make solid fixed ring corotation or reversal, because of threaded rod and screw thread post intermeshing, the both ends of threaded rod can rotate at will under the effect of mounting groove inner bearing, and the inside upper surface of the lateral wall of screw thread post and solid fixed cylinder contacts each other, make the screw thread post can be at the inside horizontal slip of solid fixed cylinder, the position of L type pole and backing sheet is removed to the cooperation dead lever, so as to adjust the interval between two backing sheets, so as to be applicable to the patient of different oral cavity sizes, enlarge application range, and simultaneously, under the cooperation of a plurality of third springs, make L type pole can slide in the spout of dead lever, make and have certain buffer space between dead lever and the L type pole, avoid appearing expanding the circumstances too tight or too loose, improve the comfort level that the patient used.
2. Because of fixed axle and solid fixed cylinder are connected for rotating, and first backup pad, first spring and second backup pad are in on the same straight line, and three and solid fixed cylinder are the slope setting, the second backup pad is located the rear end of first backup pad, fix two backup pads well, splint cover the lower lip at the patient again, a plurality of second springs produce the extrusion force after receiving the extrusion, cooperate two to carry the lower lip, make the lower lip turn up, the saliva can be sucked in two cotton layers of second simultaneously, do benefit to and keep dry, make things convenient for medical personnel to operate, the comprehensiveness that medical personnel looked over has been enlarged.
3. Under the cooperation of cardboard and draw-in groove, in the fixed slot of fixed to the backing sheet of second fixed bed and first fixed bed, be located the coplanar because of the surface of first fixed bed and the surface of backing sheet, fix first cotton layer to the surface of first fixed bed again when on the surface, make first cotton layer ability evagination, place two backing sheets in patient's mouth after both sides, the saliva in the patient mouth can be inhaled to two first cotton layers, reduce medical personnel's number of times of cleaning, because of the arc wall of guiding gutter for to backing sheet incline direction indent, itself has certain holding ability, when a plurality of guiding gutters can hold certain saliva, with saliva water conservancy diversion to front end, it is convenient to clean, and convenient to use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the support sheet and the first cotton layer of the present invention;
FIG. 3 is a cross-sectional view of the first cotton layer, the first anchor layer, the second anchor layer and the support sheet of the present invention;
FIG. 4 is a partial connection view of a partial second support plate, a first spring and a first support plate in the present invention;
FIG. 5 is a top view of the second support plate, the second spring, the support plate and the second cotton layer;
FIG. 6 is an installation view of a partial L-shaped bar, a third spring and a fixing bar in the present invention;
FIG. 7 is an internal mounting view of the threaded post, threaded rod and fixed barrel of the present invention;
FIG. 8 is a perspective view of the retainer ring, retainer plate and connecting layer of the present invention;
in the figure: 1. a fixed cylinder; 2. fixing the rod; 3. an L-shaped rod; 4. a support sheet; 5. a fixed shaft; 6. a first support plate; 7. a first spring; 8. a second support plate; 9. a splint; 10. a threaded rod; 11. a fixing ring; 12. a first cotton layer; 13. a diversion trench; 14. fixing grooves; 15. a first fixed layer; 16. a second fixed layer; 17. clamping a plate; 18. a card slot; 19. a second spring; 20. a resisting plate; 21. a second cotton layer; 22. a chute; 23. a third spring; 24. a threaded post; 25. mounting grooves; 26. a bearing; 27. a fixing plate; 28. and (7) connecting the layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-8, the present invention provides a technical solution, an oral cavity dilator: the fixing device comprises a fixing barrel 1, wherein L-shaped rods 3 are arranged on two sides of the fixing barrel 1, a supporting sheet 4 is fixed at the top ends of the L-shaped rods 3, a concave fixing groove 14 is formed in one side surface, away from the L-shaped rods 3, of the supporting sheet 4, a second fixing layer 16 is arranged in the fixing groove 14, a first fixing layer 15 is fixedly bonded on the outer side wall of the second fixing layer 16, a first cotton layer 12 is fixedly arranged on the outer side wall of the first fixing layer 15, and a plurality of flow guide grooves 13 are formed in the inner side wall of the supporting sheet 4 at equal intervals;
the upper surface of the middle position of the fixed cylinder 1 is provided with a fixed shaft 5, the top end of the fixed shaft 5 is rotatably connected with a first supporting plate 6, the end surface of the first supporting plate 6 is fixedly connected with a first spring 7, the top end of the first spring 7 is fixedly connected with a second supporting plate 8, the top of the second supporting plate 8 is provided with a clamping plate 9, the inner side wall of the second supporting plate 8 is symmetrically and equidistantly provided with a plurality of second springs 19, and the end surfaces of the plurality of second springs 19 are fixedly connected with a supporting plate 20;
both ends sliding connection of solid fixed cylinder 1 has dead lever 2, the terminal surface and the 3 fixed connection of L type pole of dead lever 2, L type pole 3 passes through dead lever 2 and solid fixed cylinder 1 fixed connection, dead lever 2 just is close to the fixed screw thread post 24 that is equipped with of solid fixed cylinder 1 one end, the inside bottom of solid fixed cylinder 1 is rotated and is connected with threaded rod 10, screw thread post 24 and the meshing of threaded rod 10 are connected, mounting groove 25 has been seted up to the inside both ends symmetry of solid fixed cylinder 1, the mounting groove 25 internal fixation has bearing 26, the inside wall of bearing 26 and the terminal surface fixed connection of threaded rod 10.
It should be noted that: in this embodiment, the first fixing layer 15 and the second fixing layer 16 are the hair side and the thorn side of the magic tape respectively, so as to fix the first cotton layer 12.
In this embodiment: the medical staff can buckle the plurality of fixing plates 27 on the fixing ring 11 in sequence to make the fixing ring 11 rotate forwards or backwards, because the threaded rod 10 and the threaded column 24 are meshed with each other, two ends of the threaded rod 10 can rotate freely under the action of the bearing 26 in the mounting groove 25, and the outer side wall of the threaded column 24 is contacted with the inner upper surface of the fixing cylinder 1, so that the threaded column 24 can slide left and right in the fixing cylinder 1, and the fixing rod 2 is matched to move the positions of the L-shaped rod 3 and the support sheet 4, so as to adjust the distance between the two support sheets 4, so as to be suitable for patients with different oral cavity sizes, and expand the application range, and simultaneously, under the matching of the plurality of third springs 23, the L-shaped rod 3 can slide in the chute 22 of the fixing rod 2, so that a certain buffer space is formed between the fixing rod 2 and the L-shaped rod 3, thereby avoiding the situation of over-tight expansion or, because the fixed shaft 5 is rotatably connected with the fixed cylinder 1, the first support plate 6, the first spring 7 and the second support plate 8 are positioned on the same straight line, the three are obliquely arranged with the fixed cylinder 1, the second support plate 8 is positioned at the rear end of the first support plate 6, the two support plates 4 are fixed, the splint 9 is sleeved on the lower lip of the patient, the second springs 19 are extruded to generate extrusion force to match with the two resisting plates 20 to clamp the lower lip, so that the lower lip is turned outwards, meanwhile, the two second cotton layers 21 can absorb saliva, thereby being beneficial to keeping dry, being convenient for the operation of medical staff, enlarging the comprehensiveness for the medical staff to look over, under the matching of the clamping plate 17 and the clamping groove 18, the second fixed layer 16 and the first fixed layer 15 are fixed in the fixed groove 14 of the support plates 4, because the surface of the first fixed layer 15 and the surface of the support plates 4 are positioned on the same plane, and then the first cotton layer 12 is fixed on the surface of the first fixed layer 15, make first cotton layer 12 can the evagination, place two backing sheet 4 in patient's mouth both sides after, two first cotton layer 12 can absorb the saliva in the patient's mouth, reduce medical personnel's number of times of cleaning, because of the arc wall of guiding gutter 13 for the indent to backing sheet 4 incline direction, itself has certain holding nature, when a plurality of guiding gutters 13 can hold certain saliva, with saliva water conservancy diversion to front end, conveniently clean, convenient to use.
In an alternative embodiment, the guiding grooves 13 are arc-shaped grooves which are concave towards the inclined direction of the supporting sheet 4.
In this embodiment: make guiding gutter 13 can hug closely backing sheet 4 in, make backing sheet 4 itself have certain accommodation space, be convenient for play the effect of refluence to the saliva, can store certain saliva simultaneously, the later stage medical personnel of being convenient for are concentrated to be cleaned the saliva.
In an alternative embodiment, a plurality of clamping plates 17 are equidistantly fixed on one side of the second fixing layer 16 close to the support sheet 4, recessed clamping grooves 18 are equidistantly formed in the fixing groove 14, and the clamping plates 17 and the clamping grooves 18 are matched with each other.
In this embodiment: cardboard 17 is the plastics material, under cardboard 17 and draw-in groove 18's cooperation, fixes second fixed layer 16 to the fixed slot 14 in, and then fixes first fixed layer 15 to the fixed slot 14 in, improves the stability that second fixed layer 16 and backing sheet 4 are connected.
In an alternative embodiment, the surface of the first fixing layer 15 and the surface of the support sheet 4 are in the same plane.
In this embodiment: when the first cotton layer 12 is fixed to the surface of the first fixing layer 15, the first fixing layer 15 does not protrude outwards, so that the diaphragm of the first cotton layer 12 does not extend to the mouth of a patient, and discomfort of the patient is not easy to occur.
In an alternative embodiment, the opposite surfaces of the two resisting plates 20 are both provided with the second cotton layers 21, and the length and the width of the second cotton layers 21 are both the same as those of the resisting plates 20.
In this embodiment: absorb the saliva at patient's lower lip position through cotton layer 21 of second, do benefit to and keep dry, the patient of being convenient for looks over.
In an alternative embodiment, the first support plate 6, the first spring 7 and the second support plate 8 are aligned with each other and are disposed obliquely to the fixed cylinder 1, and the second support plate 8 is disposed at the rear end of the first support plate 6.
In this embodiment: the inclined arrangement is convenient for clamping the lower lip through the matching of the second supporting plate 8 and the resisting plate 20, and is beneficial to displaying the oral cavity of the patient comprehensively.
In an alternative embodiment, the end surface of the fixing rod 2 is provided with a sliding groove 22, the L-shaped rod 3 is located in the sliding groove 22, a plurality of third springs 23 are fixed inside the sliding groove 22, and one end of each third spring 23 far away from the sliding groove 22 is fixedly connected with the L-shaped rod 3;
the L-shaped rod 3 is slidably connected to the fixing rod 2 through a slide groove 22 and a third spring 23.
In this embodiment: in the matching of the above structures, the L-shaped rod 3 can slide in the fixed rod 2, so that a certain buffer space is formed between the fixed rod 2 and the L-shaped rod 3, and the situation of over-tight expansion or over-loose expansion is avoided;
in an alternative embodiment, a fixing ring 11 is fixedly arranged at the middle position of the threaded rod 10, a plurality of fixing plates 27 are fixed on the outer side wall of the fixing ring 11 at equal intervals, and a connecting layer 28 is fixedly arranged on the outer side wall of each fixing plate 27.
In this embodiment: medical personnel buckle fixed plate 27 on the manual fixed ring 11 with the hand for fixed ring 11 rotates, is convenient for adjust the interval between two dead levers 2, and then for adjusting the interval between two backing sheets 4.
In an alternative embodiment, the outer side wall of the threaded stud 24 and the inner upper surface of the stationary barrel 1 are in contact with each other.
In this embodiment: the situation that the movement between the threaded column 24 and the fixing ring 11 is too fast is avoided, and the adjustment is convenient.
In an alternative embodiment, the fixed cylinder 1 has a notch at the middle position, and a sealing plate is installed in the notch of the fixed cylinder 1 and close to the notch.
In this embodiment: medical personnel accessible breach department rotates solid fixed ring 11 to adjust the interval between two backing sheets 4, the shrouding is avoided screw post 24 to remove to breach department and is dropped.
The working principle and the using process of the invention are as follows: firstly, aiming at the oral cavity of a patient, roughly estimating the distance between the supporting pieces 4, a medical staff can sequentially buckle a plurality of fixing plates 27 on the fixing ring 11, because the connecting layer 28 is made of silica gel, the friction force between the hand and the fixing plates 27 is increased, the force application is convenient, the fixing ring 11 rotates forwards or backwards, because the threaded rod 10 is meshed with the threaded column 24, two ends of the threaded rod 10 can rotate freely under the action of a bearing 26 in the mounting groove 25, and the outer side wall of the threaded column 24 is contacted with the inner upper surface of the fixing barrel 1, so that the threaded column 24 can slide left and right in the fixing barrel 1, the positions of the L-shaped rod 3 and the supporting pieces 4 are moved by matching with the fixing rod 2, the distance between the two supporting pieces 4 is adjusted, the two supporting pieces 4 are tightly attached to the oral cavity of the patient, the oral cavity size-adjustable fixing device is suitable for the patients, meanwhile, under the coordination of the third springs 23, the L-shaped rod 3 can slide in the chute 22 of the fixed rod 2, so that a certain buffer space is formed between the fixed rod 2 and the L-shaped rod 3, the situation of over-tight expansion or over-loose expansion is avoided, the comfort level of the patient is improved, because the fixed shaft 5 is rotatably connected with the fixed cylinder 1, the first support plate 6, the first spring 7 and the second support plate 8 are positioned on the same straight line, the three and the fixed cylinder 1 are obliquely arranged, the second support plate 8 is positioned at the rear end of the first support plate 6, the two support plates 4 are fixed, the splint 9 is sleeved on the lower lip of the patient, the second springs 19 generate extrusion force after being extruded, the extrusion force is matched with the two abutting plates 20 to clamp the lower lip, so that the lower lip is turned outwards, meanwhile, the two second cotton layers 21 can absorb saliva, the saliva can be kept dry, the operation of the medical personnel is convenient, and the comprehensiveness of the medical personnel in checking is enlarged, under the cooperation of cardboard 17 and draw-in groove 18, fix second fixed layer 16 and first fixed layer 15 to the fixed slot 14 of backing sheet 4 in, because of the surface of first fixed layer 15 and the surface of backing sheet 4 are in the coplanar, when fixing first cotton layer 12 to the surface of first fixed layer 15 again, make first cotton layer 12 can the evagination, place two backing sheets 4 in patient's mouth both sides back, two first cotton layer 12 can absorb the saliva in the patient's mouth, reduce medical personnel's number of times of wiping, because of the arc wall of guiding gutter 13 for the indent to backing sheet 4 incline direction, itself has certain holding nature, when a plurality of guiding gutters 13 can hold certain saliva, with the saliva water conservancy diversion to the front end, the convenience is wiped, convenient to use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an oral cavity spread support ware, includes solid fixed cylinder (1), L type pole (3) are installed to the both sides of solid fixed cylinder (1), the top of L type pole (3) is fixed with backing sheet (4), its characterized in that: a concave fixing groove (14) is formed in one side face, away from the L-shaped rod (3), of the support sheet (4), a second fixing layer (16) is installed in the fixing groove (14), a first fixing layer (15) is fixedly bonded to the outer side wall of the second fixing layer (16), a first cotton layer (12) is fixedly arranged on the outer side wall of the first fixing layer (15), and a plurality of guide grooves (13) are formed in the inner side wall of the support sheet (4) at equal intervals;
a fixed shaft (5) is installed on the upper surface of the middle position of the fixed cylinder (1), the top end of the fixed shaft (5) is rotatably connected with a first supporting plate (6), the end face of the first supporting plate (6) is fixedly connected with a first spring (7), the top end of the first spring (7) is fixedly connected with a second supporting plate (8), a clamping plate (9) is installed at the top of the second supporting plate (8), a plurality of second springs (19) are symmetrically and equidistantly installed on the inner side wall of the second supporting plate (8), and the end faces of the second springs (19) are fixedly connected with a resisting plate (20);
the both ends sliding connection of solid fixed cylinder (1) has dead lever (2), the terminal surface of dead lever (2) with L type pole (3) fixed connection, L type pole (3) are passed through dead lever (2) with solid fixed cylinder (1) fixed connection, dead lever (2) and be close to the fixed screw thread post (24) that is equipped with of one end of solid fixed cylinder (1), the inside bottom of solid fixed cylinder (1) is rotated and is connected with threaded rod (10), screw thread post (24) with threaded rod (10) meshing is connected, mounting groove (25) have been seted up to the inside both ends symmetry of solid fixed cylinder (1), mounting groove (25) internal fixation has bearing (26), the inside wall of bearing (26) with the terminal surface fixed connection of threaded rod (10).
2. The oral spreader of claim 1, wherein: the flow guide groove (13) is an arc-shaped groove which is concave inwards towards the inclined direction of the support sheet (4).
3. The oral spreader of claim 1, wherein: a plurality of clamping plates (17) are equidistantly fixed on one side, close to the support sheet (4), of the second fixing layer (16), inwards concave clamping grooves (18) are equidistantly formed in the fixing grooves (14), and the clamping plates (17) are matched with the clamping grooves (18).
4. The oral spreader of claim 1, wherein: the surface of the first fixing layer (15) and the surface of the support sheet (4) are in the same plane.
5. The oral spreader of claim 1, wherein: second cotton layers (21) are arranged on opposite surfaces of the two abutting plates (20), and the length and the width of each second cotton layer (21) are the same as those of the abutting plates (20).
6. The oral spreader of claim 1, wherein: the first supporting plate (6), the first spring (7) and the second supporting plate (8) are located on the same straight line, the first supporting plate, the second supporting plate and the fixing cylinder (1) are obliquely arranged, and the second supporting plate (8) is located at the rear end of the first supporting plate (6).
7. The oral spreader of claim 1, wherein: a sliding groove (22) is formed in the end face of the fixing rod (2), the L-shaped rod (3) is located in the sliding groove (22), a plurality of third springs (23) are fixed inside the sliding groove (22), and one end, far away from the sliding groove (22), of each third spring (23) is fixedly connected with the L-shaped rod (3);
the L-shaped rod (3) is connected with the fixing rod (2) in a sliding mode through the sliding groove (22) and the third spring (23).
8. The oral spreader of claim 1, wherein: the fixed solid fixed ring (11) that is equipped with in intermediate position department of threaded rod (10), the lateral wall equidistance of solid fixed ring (11) is fixed with a plurality of fixed plates (27), the fixed articulamentum (28) that is equipped with of lateral wall of fixed plate (27).
9. The oral spreader of claim 1, wherein: the outer side wall of the threaded column (24) and the inner upper surface of the fixed cylinder (1) are in contact with each other.
10. The oral spreader of claim 1, wherein: the middle position department of fixed section of thick bamboo (1) has the breach, fixed section of thick bamboo (1) just is close to install the shrouding in the breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011637788.9A CN112773307B (en) | 2020-12-31 | 2020-12-31 | Oral cavity expanding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011637788.9A CN112773307B (en) | 2020-12-31 | 2020-12-31 | Oral cavity expanding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112773307A true CN112773307A (en) | 2021-05-11 |
| CN112773307B CN112773307B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011637788.9A Active CN112773307B (en) | 2020-12-31 | 2020-12-31 | Oral cavity expanding device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520289A (en) * | 2021-07-09 | 2021-10-22 | 核工业总医院 | Novel hospital department of stomatology draw device |
| CN114712013A (en) * | 2022-03-16 | 2022-07-08 | 中俄国际医学研究股份有限公司 | Expanding device for dental examination |
| CN115414584A (en) * | 2022-08-09 | 2022-12-02 | 嵇海虹 | Oral cavity retractor that multi-angle was adjusted |
| CN115553840A (en) * | 2022-09-08 | 2023-01-03 | 睢县中医院 | Anastomotic supporting device |
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