CN214761539U - Multi-angle invisible tooth socket traction device manufacturing tool - Google Patents
Multi-angle invisible tooth socket traction device manufacturing tool Download PDFInfo
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- CN214761539U CN214761539U CN202120655180.2U CN202120655180U CN214761539U CN 214761539 U CN214761539 U CN 214761539U CN 202120655180 U CN202120655180 U CN 202120655180U CN 214761539 U CN214761539 U CN 214761539U
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Abstract
The utility model discloses a manufacturing tool of a multi-angle invisible tooth socket traction device, which comprises a left pressing plate, a right pressing plate, a left rotating arm and a right rotating arm; the left pressing plate is a rhombic pressing plate or an oval pressing plate, a rhombic groove or an oval groove is formed in the left side of the right pressing plate, the right side face of the left pressing plate corresponds to the rhombic groove or the oval groove of the right pressing plate, a strip-shaped through hole is formed in the middle of the left pressing plate, and a cutting knife is arranged in the middle of the rhombic groove or the oval groove of the right pressing plate; the left pressure plate is arranged at one end of the left rotating arm and is in rotatable fit with the left rotating arm, the right pressure plate is arranged at one end of the right rotating arm and is in rotatable fit with the right rotating arm, and the other end of the left rotating arm and the other end of the right rotating arm are hand-held parts. The invisible facing is clamped by the manufacturing tool, so that the concave diamond-shaped groove or the oval-shaped groove and the strip-shaped through hole can be formed on the invisible facing, the operation is simple and convenient, the appearance of the invisible facing worn on teeth is not influenced, and the tongue side buckle can be fixed and restrained.
Description
Technical Field
The utility model relates to a medical instrument that the oral cavity used especially relates to a stealthy facing draw gear of multi-angle preparation instrument.
Background
The lingual button is a common orthodontic accessory in orthodontic correction. The tongue side buckles are divided into two types, namely bonding type tongue side buckles and welding type tongue side buckles according to different base plates. In oral clinical treatment, orthodontic treatment is a common treatment project, and aims to correct malocclusion and irregular tooth arrangement of a patient, so that teeth are tidy, attractive and stable.
In order to better correct the teeth, sometimes a lingual button is adhered to the teeth, and then the elastic rubber ring and the lingual button apply force to the teeth to be corrected, so as to achieve the purpose of correcting the teeth. However, the tongue side buckle can influence the wearing of the invisible braces on the teeth after being adhered to the teeth. In order to wear the invisible braces without affecting the adhesion of the lingual buttons on the teeth, a notch is usually formed on the invisible braces corresponding to the lingual buttons to be adhered, and the notch is used for the lingual buttons to avoid affecting the wearing of the invisible braces, but the integrity and the stress release of the invisible braces are affected by the operation.
In the process of stealth correction, it is often necessary to apply low compressive forces to the teeth. In the clinical application process, holes are often formed in the invisible tooth socket, and then the lingual buttons extend out of the holes of the tooth socket to assist the anchorage nails to apply vertical traction force. This mode of operation has two disadvantages: firstly, the operation is relatively complicated; secondly, the fitting performance of the partial tooth socket is affected after the tongue side buckle is placed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough that exists among the prior art, the utility model provides a do benefit to trompil on stealthy facing, and stealthy facing also can be detained the stealthy facing of multi-angle draw gear making tools that carries out the restraint to the tongue side.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a manufacturing tool of a multi-angle invisible tooth socket traction device comprises a left pressing plate, a right pressing plate, a left rotating arm and a right rotating arm, wherein the middle parts of the left rotating arm and the right rotating arm are crossed and are in rotating fit; the left pressing plate is a rhombic pressing plate or an oval pressing plate, a rhombic groove or an oval groove is formed in the left side of the right pressing plate, the right side face of the left pressing plate corresponds to the rhombic groove or the oval groove of the right pressing plate, a strip-shaped through hole is formed in the middle of the left pressing plate, a cutting knife is arranged in the middle of the rhombic groove or the oval groove of the right pressing plate, and the cutting knife corresponds to the strip-shaped through hole; the left pressure plate is arranged at one end of the left rotating arm and is in rotatable fit with one end of the left rotating arm, the right pressure plate is arranged at one end of the right rotating arm and is in rotatable fit with one end of the right rotating arm, and the other ends of the left rotating arm and the right rotating arm are hand-holding parts; after the hand holding parts of the left rotating arm and the right rotating arm are close to each other, the rhombic groove or the oval groove of the right pressing plate is pressed on the left pressing plate, and the cutting knife penetrates through the strip-shaped through hole of the left pressing plate.
As an optimized scheme of the utility model, the height of cutting knife is 0.8 ~ 1.2mm, the left end face of cutting knife is sharp blade, the length of cutting knife is 1.8 ~ 2.8 mm.
As an optimized scheme of the utility model, the left side of left side clamp plate sets up the rhombus recess or the oval recess of indent.
As a preferred embodiment of the present invention, the one end of the left rotating arm is rotatably connected to the left side of the left pressing plate, and the one end of the right rotating arm is rotatably connected to the right side of the right pressing plate.
As a preferred embodiment of the present invention, a rotatable scale is disposed on the right side surface of the right pressing plate and on the side away from the right rotating arm.
As a preferred scheme of the utility model, a U-shaped connecting block I is fixedly arranged at one edge of the left side of the left pressing plate, one end of the left rotating arm is inserted into the open end of the U-shaped connecting block I, a bolt pin shaft I passes through the U-shaped connecting block I and one end of the left rotating arm, one end of the left rotating arm is in running fit with the U-shaped connecting block I through the bolt pin shaft I, and a locking nut I is screwed on the end part of the bolt pin shaft I; the edge of a right side of the right pressing plate close to one position on the right side is fixedly provided with a U-shaped connecting block II, one end of the right rotating arm is inserted into the opening end of the U-shaped connecting block II, a bolt pin shaft II penetrates through the U-shaped connecting block II and one end of the right rotating arm, one end of the right rotating arm is in running fit with the U-shaped connecting block II through the bolt pin shaft II, and the end part of the bolt pin shaft II is sleeved with a locking nut II in a rotating mode.
As an optimized proposal of the utility model, the left side of the left pressing plate is provided with a cover which can cover the outside of the rhombic groove or the oval groove.
Compared with the prior art, the utility model discloses following technological effect has:
1. when the multi-angle invisible tooth socket traction device is used for manufacturing tools, the side wall of the invisible tooth socket is clamped between the left pressing plate and the right pressing plate, the side wall of the invisible tooth socket corresponding to the tongue side buckle installation position is aligned to the cutting knife on the right pressing plate, the hand holding part of the left rotating arm and the right rotating arm is held tightly, the hand holding part of the left rotating arm and the right rotating arm is close to the back by force application, the left pressing plate and the right pressing plate are pressed on two sides of the side wall of the invisible tooth socket, under the action of extrusion force of the left pressing plate and the right pressing plate, the inner side of the pressed part of the invisible tooth socket forms an inwards concave rhombic groove or an oval groove, the outer side forms an outwards convex rhombic bulge or an outwards convex bulge, the cutting knife simultaneously cuts the middle part of the pressed part of the invisible tooth socket, a strip-shaped through hole is formed in the middle part of the pressed part of the invisible tooth socket, when the invisible tooth socket is used, the drag hook for buckling the tongue side passes through the strip-shaped through hole on the invisible tooth socket, and the base of the rhombic structure or the oval structure for buckling the tongue side buckle is clamped in the rhombic groove or the inwards concave groove or the elliptic structure of the invisible tooth socket In the shape groove, the tongue side buckle can be limited and restrained through the inward-concave rhombic or elliptical groove on the invisible tooth socket and the strip-shaped through hole, and the tongue side buckle is not required to be bonded on the tooth. Therefore, the invisible braces can be clamped by the manufacturing tool to form the concave diamond-shaped groove or the oval-shaped groove and the strip-shaped through hole on the invisible braces, the operation is simple and convenient, the appearance of the invisible braces worn on teeth is not influenced, and the tongue side buckles can be fixed and restrained.
2. Left side clamp plate and the one end rotatable coupling of left rocking arm, the rotatable coupling of the one end of right clamp plate and right rocking arm, through the different turned angle who adjusts left clamp plate and right clamp plate, when the lateral wall card of stealthy facing is between left clamp plate and right clamp plate, through exerting pressure alright form the bar through-hole of different angles on stealthy facing, after the drag hook that detains the tongue side passed the bar through-hole on the stealthy facing, alright through different angle tractive, reach the purpose of correcting the tooth from different angles.
Drawings
FIG. 1 is a schematic structural view of a tool for manufacturing a multi-angle invisible tooth socket traction device;
FIG. 2 is a left side view of the left pressure plate and the left swivel arm;
FIG. 3 is a left side view of the right pressure plate and the right swivel arm;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 5 is an enlarged view of the structure at B in FIG. 1;
FIG. 6 is a schematic structural view of the side wall of the invisible facing being clamped on a multi-angle invisible facing traction device manufacturing tool;
FIG. 7 is a schematic structural view of the lingual button mounted on the invisible mouthpiece;
fig. 8 is a schematic structural view of the lingual button.
In the figure: 1-left press plate; 2-right pressing plate; 3-left tumbler; 4-right tumbler; 5, strip-shaped through holes; 6, a cutter; 7-hand holding part; 8, a graduated scale; 9-invisible braces; 10-tongue side buckle; 11-strip shaped holes; 12-axle pin; 13-U-shaped connecting block I; 14-bolt pin shaft I; 15-locking nut I; 16-U-shaped connecting block II; 17-bolt pin shaft II; 18-locking nut II; 19-a lid.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, a multi-angle invisible tooth socket traction device manufacturing tool comprises a left pressing plate 1, a right pressing plate 2, a left rotating arm 3 and a right rotating arm 4. The middle parts of the left rotating arm 3 and the right rotating arm 4 are crossed and are in rotating fit, in the embodiment, a strip-shaped hole 11 is formed in the right rotating arm 4, and the left rotating arm 3 passes through the strip-shaped hole 11 in the right rotating arm 4 and is in rotating fit with the right rotating arm 4 through a shaft pin 12.
The left pressing plate 1 is a rhombic pressing plate or an oval pressing plate, the left side of the left pressing plate 1 is provided with an inwards concave rhombic groove or an oval groove, the left side of the right pressing plate 2 is provided with a rhombic groove or an oval groove, and the right side face of the left pressing plate 1 corresponds to the rhombic groove or the oval groove of the right pressing plate 2. The middle part of left side clamp plate 1 is vertical to be set up bar through-hole 5, and the middle part of the rhombus recess or the oval recess of right side clamp plate 2 sets up cutting knife 6, and cutting knife 6 corresponds with bar through-hole 5. The left pressing plate 1 is arranged at one end of the left rotating arm 3 and is in rotatable fit with one end of the left rotating arm 3, the right pressing plate 2 is arranged at one end of the right rotating arm 4 and is in rotatable fit with one end of the right rotating arm 4, and the other ends of the left rotating arm 3 and the right rotating arm 4 are hand-held parts 7. After the hand holding parts 7 of the left rotating arm 3 and the right rotating arm 4 are close to each other, the rhombic grooves or the oval grooves of the right pressing plate 2 are pressed on the left pressing plate 1, and the cutting knife 6 penetrates through the strip-shaped through hole 5 of the left pressing plate 1.
In this embodiment, the left pressing plate 1 is a regular quadrilateral pressing plate, the left side of the left pressing plate 1 is provided with an inward concave rhombic groove, and the left side of the right pressing plate 2 is provided with a rhombic groove, as shown in fig. 1, 2 and 3. The manufacturing tool of the multi-angle invisible facing traction device is mainly used for manufacturing a non-circular groove on the invisible facing, and when the non-circular base of the tongue side buckle is clamped in the non-circular groove of the invisible facing, the tongue side buckle cannot rotate. Therefore, only the left pressure plate 1 needs to be set to be a non-circular pressure plate, such as a rhombic pressure plate or an oval pressure plate in the embodiment, other non-circular pressure plates similar to a rhombic shape or an oval shape can be adopted, and the left side of the right pressure plate 2 is provided with a non-circular groove similar to a rhombic shape or an oval shape.
In the embodiment, as shown in fig. 1 and fig. 2, the top end of the left rotating arm 3 is rotatably connected with one edge of the left side of the left pressure plate 1 through a U-shaped connecting block i 13, a bolt pin shaft i 14 and a locking nut i 15; as shown in fig. 1 and 3, the top end of the right rotating arm 4 is fixedly connected with the edge of the right pressing plate 2 close to the right side through a U-shaped connecting block ii 16, a bolt pin shaft ii 17 and a locking nut ii 18, so that the connecting end of the tops of the left rotating arm 3 and the right rotating arm 4 is far away from the corresponding surface between the left pressing plate 1 and the right pressing plate 2, and the right pressing plate 2 is prevented from being blocked from pressing to the left pressing plate 1. U type connecting block I13 is fixed to be set up at the left side bottom edge of left side clamp plate 1, and in the open end of U type connecting block I13 was inserted on the top of left-hand arm 3, bolt pin axle I14 passed U type connecting block I13 and the top of left-hand arm 3, bolt pin axle I14 and U type connecting block I13 normal running fit were passed through on the top of left-hand arm 3, as shown in fig. 1 and fig. 4, bolt pin axle I14's tip revolves cover lock nut I15. U type connecting block II 16 is fixed to be set up at the edge that is close to the right side bottom at right clamp plate 2, and in the open end of U type connecting block II 16 was inserted on the top of right rotor arm 4, bolt pin axle II 17 passed U type connecting block II 16 and the top of right rotor arm 4, bolt pin axle II 17 and U type connecting block II 16 normal running fit were passed through to the top of right rotor arm 4, as shown in fig. 1 and 5, bolt pin axle II 17's tip revolves cover lock nut II 18. A locking nut I15 on the top end of the left rotating arm 3 and a locking nut II 18 on the top end of the right rotating arm 4 are unscrewed, and the left pressing plate 1 and the right pressing plate 2 can be synchronously rotated, namely, the rotating angles of the left pressing plate 1 and the right pressing plate 2 relative to the left rotating arm 3 and the right rotating arm 4 are adjusted. By screwing the locking nut I15 on the top end of the left rotating arm 3 and the locking nut II 18 on the top end of the right rotating arm 4, the left pressure plate 1 can be fixed on the left rotating arm 3, and the right pressure plate 2 can be fixed on the right rotating arm 4.
In the embodiment, the left pressing plate 1 is a regular quadrilateral pressing plate, the length of each edge is 3-4 mm, and the length can be just matched with the size of the base of the rhombic structure of the tongue side buckle. The height of cutting knife 6 is 0.8 ~ 1.2mm, and the left end face of cutting knife 6 is sharp blade, and the length of cutting knife 6 is 1.8 ~ 2.8 mm. The cutting knife 6 of this thickness can cut out the stealthy facing of certain thickness enough, and sharp blade can cut out the bar through-hole 5 fast. The length of the cutting knife 6 is 1.8-2.8 mm, and a pull hook buckled on the side of the tongue can pass through a through hole cut on the invisible facing.
For the shape of the cutting knife 6, a strip-shaped solid cutting knife can be adopted, at the moment, a cutting edge of the cutting knife 6 is used for cutting into a strip seam on the invisible tooth socket, and the cutting seam on the invisible tooth socket is extruded into a strip-shaped through hole along with the penetration of the cutting knife 6 and under the action of extrusion force; a strip-shaped hollow cutting knife can also be adopted, and a slag discharge hole is arranged on the right pressure plate 2 at the position corresponding to the hollow position of the cutting knife, so that the crushed slag cut by the hollow cutting knife can be discharged conveniently; of course, also not be limited to above-mentioned two kinds of structures to the shape of cutting knife, also can adopt other structures, only need when the stealthy facing of multi-angle draw gear preparation instrument extrusion, cutting knife 6 can cut out the bar through-hole at stealthy facing, all should the utility model discloses an within the protection scope.
On the right flank of right side clamp plate 2 and keep away from one side of right rocking arm 4 and set up a rotatable scale 8, in this embodiment, scale 8 is vertical upwards setting, as shown in fig. 1, when the lateral wall card of stealthy facing 9 is between left clamp plate 1 and right clamp plate 2, through observing the scale on the scale 8, the distance of the top of stealthy facing 9 of range finding cutting knife 6 distance that can be accurate makes the through-hole position that cutting knife 6 cut out more accurate. The left side of the left pressing plate 1 is provided with a cover 19 which can cover the outer side of the rhombic groove or the oval groove, and the cover 19 is blocked at the outer side of the rhombic groove or the oval groove, so that the injury of the cutting knife 6 to a doctor or other operators is avoided.
When the multi-angle invisible facing traction device is used for manufacturing a tool, as shown in figure 6, the side wall of the invisible facing 9 is clamped between the left pressing plate 1 and the right pressing plate 2, the side wall of the invisible facing 9 corresponding to the tongue side buckle installation position is aligned to the cutting knife 6 on the right pressing plate 2, the distance from the cutting knife 6 to the top of the invisible facing 9 is visually observed through the graduated scale 8, the position of a cutting hole of the cutting knife 6 is accurately judged, then the hand holding part 7 of the left rotating arm 3 and the right rotating arm 4 is tightly held by hands, after the force is applied to enable the hand holding part 7 of the left rotating arm 3 and the right rotating arm 4 to be close to each other, the left pressing plate 1 and the right pressing plate 2 are pressed on the two sides of the side wall of the invisible facing 9, under the extrusion force action of the left pressing plate 1 and the right pressing plate 2, the inner side of the pressed part of the invisible facing 9 forms a rhombic groove which is concave, the outer side forms a rhombic protrusion or an elliptic protrusion which is convex, the cutting knife 6 simultaneously cuts the middle part of the pressed part of the invisible facing 9, a strip-shaped through hole is formed in the middle of the pressed part of the invisible tooth socket 9, as shown in figure 7. The manufacturing tool of the multi-angle invisible tooth socket traction device mainly aims at the tongue side buckle 10 shown in figure 8, the base of the tongue side buckle 10 is a rhombic base or an oval base, and the head of the tongue side buckle 10 is a drag hook. When the invisible braces are used, the draw hooks of the tongue side buckles 10 penetrate through the strip-shaped through holes in the invisible braces 9, the bases of the rhombic structures or the oval structures of the tongue side buckles 10 are clamped in the rhombic grooves or the oval grooves of the inner recesses of the invisible braces 9, the tongue side buckles 10 can be limited and restrained through the rhombic grooves or the oval grooves and the strip-shaped through holes in the invisible braces 9, and the tongue side buckles do not need to be bonded on teeth. Therefore, only the manufacturing tool is used for clamping the invisible tooth socket 9, the inward-concave rhombic or elliptical groove and the strip-shaped through hole can be formed in the invisible tooth socket 9, the operation is simple and convenient, the appearance of the invisible tooth socket 9 worn on teeth is not affected, and the tongue side buckle 10 can be fixed and restrained.
Left side clamp plate 1 and the rotatable cooperation in top of left turn arm 3, the rotatable cooperation in top of right clamp plate 2 and right turn arm 4, through the different turned angle who adjusts left clamp plate 1 and right clamp plate 2, when the lateral wall card of stealthy facing 9 is between left clamp plate 1 and right clamp plate 2, through exerting pressure alright form the bar through-hole 5 of different angles on stealthy facing 9, after passing bar through-hole 5 on stealthy facing 9 with the drag hook of tongue side knot 10, alright through different angle tractive, reach the purpose of correcting the tooth from different angles.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a stealthy facing draw gear of multi-angle preparation instrument which characterized in that: the device comprises a left pressing plate (1), a right pressing plate (2), a left rotating arm (3) and a right rotating arm (4), wherein the middle parts of the left rotating arm (3) and the right rotating arm (4) are crossed and are in running fit; the left pressing plate (1) is a rhombic pressing plate or an oval pressing plate, a rhombic groove or an oval groove is formed in the left side of the right pressing plate (2), the right side face of the left pressing plate (1) corresponds to the rhombic groove or the oval groove of the right pressing plate (2), a strip-shaped through hole (5) is formed in the middle of the left pressing plate (1), a cutting knife (6) is arranged in the middle of the rhombic groove or the oval groove of the right pressing plate (2), and the cutting knife (6) corresponds to the strip-shaped through hole (5); the left pressure plate (1) is arranged at one end of the left rotating arm (3) and is in rotatable fit with one end of the left rotating arm (3), the right pressure plate (2) is arranged at one end of the right rotating arm (4) and is in rotatable fit with one end of the right rotating arm (4), and the other ends of the left rotating arm (3) and the right rotating arm (4) are hand-held parts (7); after the hand holding parts (7) of the left rotating arm (3) and the right rotating arm (4) are close to each other, the rhombic groove or the oval groove of the right pressing plate (2) is pressed on the left pressing plate (1), and the cutting knife (6) penetrates through the strip-shaped through hole (5) of the left pressing plate (1).
2. The multi-angle invisible tooth socket traction device manufacturing tool according to claim 1, characterized in that: the height of the cutting knife (6) is 0.8-1.2 mm, the left end face of the cutting knife (6) is a sharp blade, and the length of the cutting knife (6) is 1.8-2.8 mm.
3. The multi-angle invisible tooth socket traction device manufacturing tool according to claim 1, characterized in that: the left side of the left pressure plate (1) is provided with an inwards concave rhombic groove or an oval groove.
4. The multi-angle invisible tooth socket traction device manufacturing tool according to claim 1, characterized in that: one end of the left rotating arm (3) is rotatably connected with one edge of the left side of the left pressing plate (1), and one end of the right rotating arm (4) is rotatably connected with one edge of the right pressing plate (2) close to the right side.
5. The multi-angle invisible tooth socket traction device manufacturing tool according to claim 1, characterized in that: and a rotatable graduated scale (8) is arranged on one side of the right side surface of the right pressure plate (2) far away from the right rotating arm (4).
6. The multi-angle invisible tooth socket traction device manufacturing tool according to claim 4, characterized in that: a U-shaped connecting block I (13) is fixedly arranged at the edge of one position on the left side of the left pressing plate (1), one end of the left rotating arm (3) is inserted into the opening end of the U-shaped connecting block I (13), a bolt pin shaft I (14) penetrates through the U-shaped connecting block I (13) and one end of the left rotating arm (3), one end of the left rotating arm (3) is in rotating fit with the U-shaped connecting block I (13) through the bolt pin shaft I (14), and a locking nut I (15) is screwed on the end portion of the bolt pin shaft I (14); the edge that is close to right side department of right side clamp plate (2) is fixed and is set up U type connecting block II (16), in the open end of U type connecting block II (16) was inserted to the one end of right side rocking arm (4), the one end of U type connecting block II (16) and right rocking arm (4) was passed in bolt pin axle II (17), bolt pin axle II (17) and U type connecting block II (16) normal running fit are passed through to the one end of right rocking arm (4), the tip of bolt pin axle II (17) is revolved and is overlapped lock nut II (18).
7. The tool for manufacturing the multi-angle invisible braces traction device according to claim 3, wherein a cover (19) capable of covering the outer side of the rhombic groove or the oval groove is arranged on the left side of the left pressure plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655180.2U CN214761539U (en) | 2021-03-31 | 2021-03-31 | Multi-angle invisible tooth socket traction device manufacturing tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655180.2U CN214761539U (en) | 2021-03-31 | 2021-03-31 | Multi-angle invisible tooth socket traction device manufacturing tool |
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| CN214761539U true CN214761539U (en) | 2021-11-19 |
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| CN202120655180.2U Active CN214761539U (en) | 2021-03-31 | 2021-03-31 | Multi-angle invisible tooth socket traction device manufacturing tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115192231A (en) * | 2022-07-25 | 2022-10-18 | 重庆医科大学附属第二医院 | Multifunctional invisible auxiliary correction device |
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2021
- 2021-03-31 CN CN202120655180.2U patent/CN214761539U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115192231A (en) * | 2022-07-25 | 2022-10-18 | 重庆医科大学附属第二医院 | Multifunctional invisible auxiliary correction device |
| CN115192231B (en) * | 2022-07-25 | 2023-05-05 | 重庆医科大学附属第二医院 | Multifunctional invisible auxiliary correction device |
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