CN212592497U - Draw hook breach preparation pincers - Google Patents
Draw hook breach preparation pincers Download PDFInfo
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- CN212592497U CN212592497U CN202020458553.2U CN202020458553U CN212592497U CN 212592497 U CN212592497 U CN 212592497U CN 202020458553 U CN202020458553 U CN 202020458553U CN 212592497 U CN212592497 U CN 212592497U
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Abstract
The utility model provides a draw hook breach preparation pincers, its characterized in that: comprises manufacturing a clamp body; the manufacturing clamp body comprises a handle unit, a functional unit and a middle torsion joint; the handle unit is connected with the functional unit through a middle torsional joint; the handle unit is composed of a first handle part and a second handle part; the functional unit consists of a raised head working part and a recessed head working part; when the first handle part and the second handle part are gradually close to each other, the raised head working part and the head end working part are also gradually close to each other; the raised head working part is provided with a raised structure; the inner surface of the concave head working part is an arc surface; the arc surface of the concave head working part is matched with the arc surface of the convex structure; the concave head working part is provided with a through hole corresponding to the position of the convex structure; the shape of the through hole is matched with that of the protruding structure. The manufacturing pliers can realize the effect of manufacturing the notch of the traction hook under the condition that the tooth socket is not deformed.
Description
Technical Field
The utility model relates to a dental equipment specifically, relates to a draw hook breach preparation pincers.
Background
In the orthodontic method, invisible orthodontic is a convenient and beautiful orthodontic method at present, a transparent film pressing film type orthodontic tooth socket mode is adopted, a dentist manufactures a series of tooth sockets for adjusting tooth arrangement according to a scheme after setting the scheme for tooth arrangement correction, and the aims of tooth orthodontics can be achieved by replacing the tooth sockets according to specified time and sequence for wearing and regular check of the dentist. Although the transparent appliance can make the orthodontic process of the patient more comfortable and beautiful, the transparent appliance still has inevitable defects: that is, the transparent appliances do not provide the convenience of obtaining traction in the desired direction as the teeth move. If teeth are required to be depressed during orthodontic treatment, the transparent appliance is mainly used for depressing the teeth by utilizing other teeth as anchorage, but the anchorage pins are sometimes required to be used as absolute anchorage depressing teeth. The method for setting the 'precision cutting' at the edge of the transparent appliance in clinical application is to manufacture a traction hook notch on the appliance in advance, but the operation greatly limits the selection of the actual implantation part of the anchorage nail.
In order to realize the effect, a special tool is required to process the transparent tooth socket, so that the auxiliary effect of the matched anchorage nail can be realized, the simplest and most easy popularization mode is that according to the use requirement, the corresponding position on the tooth socket is manufactured with the traction hook notch, so that the traction rubber band is clamped into the anchorage nail and the other traction hook notch, or the traction rubber band is clamped into the corresponding two traction hook notches, and the auxiliary stress application of the tooth socket is realized. However, the forming gap of the traction hook sheared by the existing invisible orthodontic pliers is too wide and too long, the structure of the appliance is damaged, the mechanical expression of the appliance is influenced, and the tooth moving effect is influenced. The too wide of the molding gap of the traction hook can lead the traction rubber band to be clamped and easily fall off. Particularly, when a patient clamps one end of the rubber band into the traction hook forming notch and clamps the other end of the rubber band into the anchorage nail or the opposite appliance, if the clamping is not successful for one time, the rubber band rebounds to shrink, so that the rubber band is easy to pop out from the traction hook forming notch.
CN201520688306 discloses a utility model discloses, adopted and placed the hook that pulls in advance on the 3D model to adopt 3D printing technique to print the tooth model that is provided with the hook that pulls, the ware is rescued to press mold shaping and is had the transparent ware of rescuring of pulling the hook shape. The protruding traction hook part on the transparent appliance with the traction hook shape can cause extrusion to the oral cavity wall of a patient, and seriously cause discomfort to the patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide the invisible manufacturing pliers which are specially used for cutting tooth sockets and can cut smooth traction hook gaps.
The utility model provides a pair of draw hook breach preparation pincers, its characterized in that: comprises a correcting clamp body; the correcting pliers body comprises a handle unit, a functional unit and a middle torsional joint;
the handle unit is connected with the functional unit through a middle torsional joint;
the handle unit is composed of a first handle part and a second handle part;
the functional unit consists of a raised head working part and a recessed head working part;
when the first handle part and the second handle part are gradually close to each other, the boss working part and the head end working part are also gradually close to each other;
the raised head working part is provided with a raised structure;
the inner surface of the concave head working part is an arc surface;
the surface of the convex structure, which is opposite to the inner surface of the concave head working part, is also an arc surface;
the arc surface of the concave head working part is matched with the arc surface of the convex structure;
the concave head working part is provided with a through hole corresponding to the position of the convex structure;
the shape of the through hole is matched with that of the protruding structure.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the convex structure consists of a big head which is gradually enlarged towards the two side edges and a flat head which is parallel to the two side edges, and the big head and the flat head are circular arc-shaped bosses.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the width of the big end and the flat end of the convex structure at the joint part is 0.7mm-0.8 mm; the outward expansion length of the big head is 2mm, and the width of the big head at the maximum position is 1.0mm-1.2 mm; the extended length of the flat head is 2 mm.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the central line of the convex structure is perpendicular to the long axis direction of the clamp body by 90 degrees.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the height of the protruding structure is 1.5 mm; the width range of the protruding head working part and the edge step of the protruding structure is 0.5-1.5 mm.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the upper edge of the protruding structure is provided with a cutter structure.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the thickness range of the through hole of the concave head working part is 0.5mm-2 mm.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the edge of the through hole of the concave head working part is provided with a convex cutter structure at one side opposite to the convex structure.
Further, the utility model provides a pair of draw hook breach preparation pincers, its characterized in that still lies in: the functional unit and the middle torsion joint connecting part are in an inward concave arc shape on the side surface.
Drawings
Fig. 1 is a schematic structural view of a pair of draw hook notch making pliers according to an embodiment.
Fig. 2 is a schematic view of a boss structure of a pair of pliers for manufacturing a notch of a towing hook according to an embodiment.
Fig. 3 is a schematic structural view of a pair of draw hook notch making pliers according to an embodiment.
Figure 4 is a schematic view of the mouthpiece and teeth in an installed relationship according to an embodiment.
Fig. 5 is a schematic view of a using method of the draw hook notch making pliers according to the embodiment.
FIG. 6 is a schematic view of an installation relationship between a notch of a towing hook and a towing rubber band according to an embodiment.
Fig. 7 is a schematic view of a boss structure of a pair of draw hook notch making pliers according to a modification of the embodiment.
Fig. 8 is a schematic view of a boss structure of a pair of draw hook notch making pliers according to a modification of the embodiment.
Fig. 9 is a schematic view of a boss structure of the towing hook notch manufacturing pliers according to the modification of the embodiment.
300-torsion joint; 110-a first handle portion; 120-a second handle portion; 220-nose working portion; 222-a raised structure; 222-1-big head; 222-2-flat head; 210-a female head working portion; 212-a via; a-invisible orthosis; b-teeth.
Detailed Description
As shown in fig. 1, the present embodiment provides a pair of forceps for making a hook notch, which comprises a forceps body, wherein the forceps body is used for clamping a tooth socket and generating an appliance hook notch on the tooth socket by a specific structure;
the manufacturing forceps body comprises a handle unit, a functional unit and a middle torsional joint 300;
the handle unit is connected with the functional unit through a middle torsion joint 300, and the effect of controlling the opening and closing of the functional unit through the handle unit is realized, and the opening and closing principle is similar to that of the traditional tool pliers;
in the present embodiment, the handle unit is composed of a first handle portion 110 and a second handle portion 120;
the functional unit consists of a boss working part 220 and a concave head working part 210;
when the first handle 110 and the second handle 120 are gradually close to each other, the boss working part 220 and the concave head working part 210 are also gradually close to each other to clamp the target position;
when the first handle 110 and the second handle 120 are gradually separated, the boss working part 220 and the concave head working part 210 are also gradually separated, and the target position is released;
as shown in fig. 2, the boss working portion 220 has a protrusion structure 222 thereon; the convex structure 222 is composed of a big head 222-1 which is gradually enlarged towards two sides and a flat head 222-2 which is parallel to the two sides, and the big head 222-1 and the flat head 222-2 are circular arc-shaped bosses.
The width of the big end 222-1 and the flat end 222-2 on the convex structure 222 at the joint part is 0.7mm-0.8 mm; in the embodiment, the diameter of the traction rubber ring is 1mm because the conventional hook is hung on the traction rubber ring, so that the maximum distance of the notch forming opening of the traction hook is less than 1mm at the opening position of the notch, and the dislocation of the rubber ring caused by elasticity can be prevented. The rubber band usually needs the patient oneself to hang and lean on in the breach department of drawing the hook, and if breach department size undersize, the rubber band is hung and is leaned on and is difficult to carry out by bare-handed. The maximum width of the notch forming opening of the traction hook is set to be 0.7-0.8mm, so that the rubber band can be hung by hands, and the falling off of the rubber band caused by the relaxation of the elasticity is prevented.
The big head 222-1 is of an arc structure with the outward expansion length of 2mm and the maximum width of 1.0mm-1.2 mm; the flat head 222-2 is of an arc-shaped structure which expands outwards and has the length of 2 mm; in this embodiment, the design that the diameter of the traction rubber band is 1mm and the length of the shearing gap is 2mm is conventionally used, so that the traction rubber band is not easy to pop up and fall off. The doctor judges easily that protruding structure 222 blocks the length of correcting the ware when using, can not cause the shearing to correct the ware overlength to the intensity of correcting the ware is influenced. Regardless of whether a large head 222-1 or a flat head 222-2 is used, the edge of the orthosis need only be placed at the junction of the middle of the boss, and the resulting gap would be around 2 mm.
In addition, the embodiment also finds that the width of the big head 222-1 at the maximum position is a circular arc structure with the width of 1.0mm-1.2mm through experiments; in the invisible correcting process, if only one traction hook is arranged on one tooth, the big head 222-1 can be used for manufacturing a traction hook notch, the traction hook notch with the size of the big head 222-1 is obtained on the correcting device, the largest inner diameter of the big head 222-1 is 1.0-1.2 mm and is larger than the diameter of the rubber band by 1mm, and the rubber band can slide in the traction hook notch, so that the manual operation is convenient. If the teeth have shorter proximal and distal diameters, the flat notches are used in a matched manner, so that damage to the appliance can be reduced, and deformation of the appliance cannot be caused. When the single tooth needs to be pressed down, two traction hook notches are manufactured at the edge of the appliance of the single tooth, and the rubber band is hung on the two notches to apply force to the single tooth. The flat head 222-2 is adopted to manufacture the traction hook notch, so that the orthodontic appliance can be cut less, the damage to the orthodontic appliance can be further reduced, and the deformation of the orthodontic appliance cannot be caused.
The center line of the protrusion 222 is perpendicular to the long axis direction of the forceps body by 90 degrees.
The height of the raised structures 222 is 1.5 mm; the width range of the protruding head working part and the edge step of the protruding structure is 0.5-1.5 mm.
The center line is perpendicular to the long axis direction of the clamp body by 90 degrees, so that the large head 222-1 and the flat head 222-2 can be conveniently used. The height of the raised structure 222 is 1.5mm because the thickness of the appliance is generally only 0.5-1.0mm, 1.5mm ensures that the appliance can be cut off, and simultaneously prevents the raised head from bending after long-term use. The step width range of the working part of the raised head and the edge of the raised structure is 0.5-1.5mm so as to avoid the phenomenon that the edge of the raised structure can be clamped with the appliance when the step is too wide and the edge of the raised structure is sheared.
The connecting part of the functional unit and the middle torsion joint 300 is in an inward concave arc shape on the side surface;
when the draw hook notch is manufactured, the raised head working part 220 and the recessed head working part 210 are gradually close to each other, and the side surface of the recessed arc shape can prevent the raised head working part 220 and the recessed head working part 210 from pressing the edge of the appliance, so that deformation is caused.
As shown in fig. 3, the socket head working portion 210 has a through hole 212 at a position corresponding to the protruding structure 222; the shape and size of the through hole are matched with those of the convex structures.
The thickness range of the through hole of the concave head working part is 0.5mm-2 mm.
The thickness range of the through hole of the concave head working part is 0.5mm-2mm, and because the through hole part of the concave head working part needs to extend into the deep area of the inner side of the appliance, if the thickness of the through hole is less than 0.5mm, the through hole is easy to break; the thickness of the through hole is higher than 2mm, and the through hole can not extend into the deep area of the inner side of the incisor of the appliance. Therefore, the optimal range of the thickness of the through hole of the concave head working part is 0.5mm-2 mm.
As shown in fig. 4, the invisible correction is performed by putting an invisible appliance a on a tooth b to correct the tooth. However, in the orthodontic process, in order to realize the reduction of the pressure of a single tooth or the increase of the tooth movement amount, a traction rubber band or an anchorage nail must be manufactured to be hung on the notch of the traction hook of the worn tooth socket. As shown in fig. 5, the forceps for making the traction hook provided by this embodiment are configured to cut a notch of the traction hook at the edge of the transparent appliance (mouthpiece) according to the position of the anchorage nail or the requirement of the traction hook, so as to provide a hanging position for the traction rubber band.
In the using process, the concave head working end 210 of the forceps body functional unit is placed on the inner side of the invisible appliance, the convex structure 222 on the convex head working end 220 is placed on the outer side of the invisible appliance, and the tooth socket is extruded with the concave head working end 210 of the forceps, so that the appliance traction hook notch is generated.
As shown in FIG. 6, the notch shape of the appliance towing hook can be set according to the requirement, and the working end 220 of the raised head can generate towing hook notches with different shapes to be hung on the towing rubber band according to the different sizes, positions and directions of the big head 222-1 and the flat head 222-2 of the raised structure 222.
In addition, as shown in fig. 7, 8 and 9, the working end 220 of the nose can be set according to the shape of the protrusion structure 222, and the protrusion structure 222 can generate different shapes of notches of the towing hook to be hung on the towing rubber band according to different positions and directions of the large head 222-1 and the flat head 222-2.
Claims (8)
1. The utility model provides a draw hook breach preparation pincers which characterized in that: comprises manufacturing a clamp body;
the manufacturing clamp body comprises a handle unit, a functional unit and a middle torsion joint;
the handle unit is connected with the functional unit through a middle torsional joint;
the handle unit is composed of a first handle part and a second handle part;
the functional unit consists of a raised head working part and a recessed head working part;
when the first handle part and the second handle part are gradually close to each other, the raised head working part and the head end working part are also gradually close to each other; the raised head working part is provided with a raised structure;
the inner surface of the concave head working part is an arc surface;
the surface of the convex structure, which is opposite to the inner surface of the concave head working part, is also an arc surface;
the arc surface of the concave head working part is matched with the arc surface of the convex structure;
the concave head working part is provided with a through hole corresponding to the position of the convex structure;
the shape of the through hole is matched with that of the convex structure;
the convex structure consists of a big end which is gradually enlarged towards the two side edges and a flat end which is parallel to the two side edges,
the big head and the flat head are circular arc-shaped bosses.
2. The towing hook notch making pliers according to claim 1, wherein:
the width of the big end and the flat end of the convex structure at the joint part is 0.7mm-0.8 mm;
the outward expansion length of the big head is 2mm, and the width of the big head at the maximum position is 1.0mm-1.2 mm;
the extended length of the flat head is 2 mm.
3. The towing hook notch making pliers according to claim 2, wherein:
the central line of the convex structure is perpendicular to the long axis direction of the clamp body by 90 degrees.
4. The towing hook notch making pliers according to claim 3, wherein:
the height of the protruding structure is 1.5 mm;
the width range of the protruding head working part and the edge step of the protruding structure is 0.5-1.5 mm.
5. The towing hook notch making pliers according to claim 1, wherein:
the upper edge of the protruding structure is provided with a cutter structure.
6. The towing hook notch making pliers according to claim 1, wherein:
the thickness range of the through hole of the concave head working part is 0.5mm-2 mm.
7. The towing hook notch making pliers according to claim 1, wherein:
the edge of the through hole of the concave head working part is provided with a convex cutter structure at one side opposite to the convex structure.
8. The towing hook notch making pliers according to claim 1, wherein:
the functional unit and the middle torsion joint connecting part are in an inward concave arc shape on the side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458553.2U CN212592497U (en) | 2020-04-01 | 2020-04-01 | Draw hook breach preparation pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458553.2U CN212592497U (en) | 2020-04-01 | 2020-04-01 | Draw hook breach preparation pincers |
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| Publication Number | Publication Date |
|---|---|
| CN212592497U true CN212592497U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020458553.2U Active CN212592497U (en) | 2020-04-01 | 2020-04-01 | Draw hook breach preparation pincers |
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| CN (1) | CN212592497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040948A (en) * | 2021-03-31 | 2021-06-29 | 重庆医科大学附属第二医院 | Multi-angle invisible tooth socket traction device and manufacturing method thereof |
-
2020
- 2020-04-01 CN CN202020458553.2U patent/CN212592497U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040948A (en) * | 2021-03-31 | 2021-06-29 | 重庆医科大学附属第二医院 | Multi-angle invisible tooth socket traction device and manufacturing method thereof |
| CN113040948B (en) * | 2021-03-31 | 2022-06-10 | 重庆医科大学附属第二医院 | Multi-angle invisible tooth socket traction device and manufacturing method thereof |
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