CN215019361U

CN215019361U - Return bend pincers

Info

Publication number: CN215019361U
Application number: CN202120354434.7U
Authority: CN
Inventors: 马金龙; 米丛波; 张宁; 周辉
Original assignee: Guangzhou Riton Biomaterial Co Ltd
Current assignee: Guangzhou Riton Biomaterial Co Ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-12-07
Anticipated expiration: 2031-02-04

Abstract

The embodiment of the utility model provides a pair of return bend pincers, return bend pincers include: the front end of the first bracket is provided with a return frame; the front end of the second bracket is provided with an extrusion head, the position of the extrusion head corresponds to that of the bending frame, and the extrusion head can shuttle in the bending frame; the first bracket and the second bracket are movably connected, an arch wire is positioned between the extrusion head and the bending frame, and the first bracket and the second bracket move relatively to enable the arch wire to be extruded and bent between the extrusion head and the bending frame. And placing the bending pliers in an oral cavity, wherein an arch wire is positioned between the extrusion head and the bending frame, operating the first bracket and the second bracket to enable the first bracket and the second bracket to move relatively so as to enable the arch wire to be extruded and bent between the extrusion head and the bending frame, and thus, the bending of the tail end of the arch wire is completed.

Description

Return bend pincers

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a pair of bending pliers.

Background

In orthodontics, a bracket is often used to cooperate with an arch wire to pull teeth, so as to achieve the purpose of rearranging the irregularly arranged teeth of a patient. Clinically, the arch wire is usually slightly extended out of a buccal tube or a lingual tube at the tail end of the dental arch, and the redundant arch wire is bent back by using an instrument so as to avoid puncturing the buccal cavity. In clinic, a needle holder or Hodgman's tongs are often adopted to bend the arch wire back, but the bending difficulty is high due to the limitation of the labial and buccal tissues because the tail end of the arch wire is positioned at the deep position of the oral cavity, the operation of a doctor is difficult, the labial and buccal tissues of a patient need to be pulled open to the maximum extent, and the pain of the patient is increased.

Generally, a needle holder or Hodgman's pliers is commonly adopted to bend an arch wire back in clinic, and the technical problems that the bending difficulty is high and the operation of a doctor is difficult due to the limitation of the tissues of the lip and the cheek when the tail end of the arch wire is positioned at the deep position of an oral cavity, the tissues of the lip and the cheek of a patient need to be pulled open to the maximum extent, and the pain of the patient is increased exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a back bending forceps for solve the back bending forceps existence among the prior art because the arch wire end is located the oral cavity deeper department, the restriction of lip cheek tissue leads to the back bending degree of difficulty great, doctor operational difficulty, need furthest pull open patient's lip cheek tissue, increased the painful technical problem of patient.

In order to solve the technical problem, the embodiment of the utility model adopts the following technical scheme:

an embodiment of the utility model provides a back bending pliers, back bending pliers includes:

the front end of the first bracket is provided with a return frame;

the front end of the second bracket is provided with an extrusion head, the position of the extrusion head corresponds to that of the bending frame, and the extrusion head can shuttle in the bending frame;

the first bracket and the second bracket are movably connected, an arch wire is positioned between the extrusion head and the bending frame, and the first bracket and the second bracket move relatively to enable the arch wire to be extruded and bent between the extrusion head and the bending frame.

Furthermore, the front end of the first support is also provided with an upper cover, and the bending frame is connected with the lower surface of the upper cover.

Further, the upper cover comprises a track for the extrusion head to pass through.

Furthermore, the upper cover also comprises a communicating part, a preset gap for placing the arch wire is arranged between the communicating part and the return bending frame, and the track is a through cavity arranged in the middle of the communicating part.

Furthermore, the cross sections of the track, the inner frame of the bending frame and the extrusion head are all rectangular.

Further, the first support is connected with the bottom of the communicating part, and the upper cover is located at the top of the first communicating part.

Further, first support has first flexion and a first tongs portion, the one end of first flexion is connected first tongs portion, and the other end is connected the intercommunication portion, first flexion with second support swing joint.

Further, the second support is provided with a second bending portion and a second handle portion, one end of the second bending portion is connected with the second handle portion, the extrusion head is arranged at the other end of the second bending portion, and the first bending portion is movably connected with the second bending portion.

Further, the angle formed between the extrusion head and the gripper portion ranges from 80 degrees to 100 degrees.

Further, the difference between the height of the extrusion head and the height of the inner frame of the bending frame is the width of the arch wire.

Compared with the prior art, the utility model discloses an embodiment's beneficial effect lies in:

the embodiment of the utility model provides a pair of return bend pincers, return bend pincers include: the front end of the first bracket is provided with a return frame; the front end of the second bracket is provided with an extrusion head, the position of the extrusion head corresponds to that of the bending frame, and the extrusion head can shuttle in the bending frame; the first bracket and the second bracket are movably connected, an arch wire is positioned between the extrusion head and the bending frame, and the first bracket and the second bracket move relatively to enable the arch wire to be extruded and bent between the extrusion head and the bending frame. The bending pliers are placed in an oral cavity, an arch wire is positioned between the extrusion head and the bending frame, the first support and the second support are operated, the first support and the second support move relatively, so that the arch wire is extruded and bent between the extrusion head and the bending frame, and the tail end of the arch wire is bent; therefore, the technical problems that the bending difficulty is high, a doctor is difficult to operate, the tissues of the lips and the cheeks of a patient need to be pulled open to the maximum extent, and the pain of the patient is increased due to the fact that the tail end of the arch wire is located at the deep position of the oral cavity and the tissues of the lips and the cheeks are limited in the bending forceps in the prior art are effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a bending pliers according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a bending forceps according to an embodiment of the present invention.

Wherein:

1. a first bracket; 11. a first gripper portion; 12. a first curved portion; 2. a second bracket; 21. a second gripper portion; 22. a second curved portion; 23. an extrusion head; 3. an upper cover; 31. a communicating portion; 32. a track; 4. bending the frame back; 5. an arch wire.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, fig. 1 is a schematic structural view of a bending pliers provided by an embodiment of the present invention;

as shown in fig. 1 and 2, the bending back clamp includes:

the front end of the first bracket 1 is provided with a return frame 4;

the front end of the second bracket 2 is provided with an extrusion head 23, the position of the extrusion head 23 corresponds to the position of the bending frame 4, and the extrusion head 23 can shuttle in the bending frame 4;

the first bracket 1 and the second bracket 2 are movably connected, an arch wire 5 is positioned between the extrusion head 23 and the bending frame 4, and the first bracket 1 and the second bracket 2 move relatively to enable the arch wire 5 to be extruded and bent between the extrusion head 23 and the bending frame 4.

The front end of the first support 1 is further provided with an upper cover 3, and the return frame 4 is connected with the lower surface of the upper cover 3. Namely, the upper cover 3 is positioned at the upper end of the return bend and is used for controlling the length of the return arch wire 5 so as to prevent the tail end of the arch wire 5 from being excessively bent back, so that a patient feels strong foreign body sensation and uncomfortable.

In order to enable the extrusion head 23 to more stably extend into the bending frame 4 to perform extrusion bending on the arch wire 5, the upper cover 3 comprises a rail 32 through which the extrusion head 23 can pass. The extrusion head 23 is shuttled on the rail 32, so that the extrusion head 23 can move in a more stable manner.

Specifically, the upper cover 3 further includes a communicating portion 31, a preset gap for placing the arch wire 5 is provided between the communicating portion 31 and the frame 4, and the rail 32 is a through cavity provided in the middle of the communicating portion 31. The tail end of the arch wire 5 is arranged in the preset gap, the extrusion head 23 and the bending frame 4 move relatively through the relative movement between the first bracket 1 and the second bracket 2, the extrusion head 23 drives the tail end of the arch wire 5 to pass through the bending frame 4, so that the tail end of the arch wire 5 is extruded and bent, and the tail end of the arch wire 5 is bent, and in addition, the communication part 31 can effectively limit the extrusion head 23 to move in the track 32, and the arch wire 5 can be bent accurately.

The cross-sections of the track 32, the inner frame of the return frame 4 and the extrusion head 23 are rectangular, in order to facilitate the manufacturing and to enable better stressing of the ends of the arch wire 5. Of course, the cross-section of the rail 32, the inner frame of the bending frame 4 and the extrusion head 23 can also be other, for example circular. Triangular, pentagonal, hexagonal, etc.

In order to facilitate the bending forceps to better move when entering the deep part of the oral cavity, avoid excessive movement and movement in the deep part of the oral cavity and bring discomfort to a patient, the first support 1 is connected with the bottom of the communicating part 31, and the upper cover 3 is positioned at the top of the first communicating part 31.

Wherein, the first support 1 specifically is: the first support 1 is provided with a first bending portion 12 and a first handle portion 11, one end of the first bending portion 12 is connected with the first handle portion 11, the other end of the first bending portion is connected with the communicating portion 31, and the first bending portion 12 is movably connected with the second support 2.

The second bracket 2 specifically comprises: the second bracket 2 is provided with a second bending part 22 and a second handle part 21, one end of the second bending part 22 is connected with the second handle part 21, the extrusion head 23 is arranged at the other end of the second bending part 22, and the first bending part 12 is movably connected with the second bending part 22. The first bending portion 12 and the second bending portion 22 are rotatably connected, or the first bending portion 12 and the second bending portion 22 are connected through a rotating shaft, and the first bending portion 12 and the second bending portion 22 are relatively rotatable at the rotating shaft by the relative movement of the first gripper portion 11 and the second gripper portion 21, so as to achieve the extrusion bending of the end of the arch wire 5 between the extrusion head 23 and the frame 4. The tail ends of the first gripper part 11 and the second gripper part 21 are convenient for a doctor to grip, and the bending of the arch wire 5 can be finished in a labor-saving manner through the lever principle.

Wherein the angle formed between the squeezing head 23 and the gripper portion ranges from 80 ° to 100 °. Is convenient for clinical intraoral operation, is suitable for various labial lingual sides to carry out the operation of the back bending of the tail end of the arch wire 5, thereby ensuring that the back bending forceps have stronger practicability and wider universality.

Wherein, the difference between the height of the extrusion head 23 and the height of the inner frame of the bending frame 4 is the width of the arch wire 5. So that the ends of the arch wire 5 can be given a better bending effect.

The bending pliers are placed in the oral cavity, an arch wire 5 is positioned between the extrusion head 23 and the bending frame 4, the first support 1 and the second support 2 are operated, the first support 1 and the second support 2 move relatively, so that the arch wire 5 is extruded and bent between the extrusion head 23 and the bending frame 4, and the bending of the tail end of the arch wire 5 is finished, compared with the prior art, a doctor can efficiently bend the tail end of the arch wire 5 under the condition of unskilled technology, the operation is convenient and fast, and the pain of a patient is reduced; therefore, the technical problems that the bending difficulty is high, a doctor is difficult to operate, the labial and buccal tissues of a patient need to be pulled open to the maximum extent, and the pain of the patient is increased due to the fact that the tail end of the arch wire 5 is located at the deep position of the oral cavity and the labial and buccal tissues are limited in the bending forceps in the prior art are effectively solved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A return bend forceps, characterized in that it comprises:

the front end of the first bracket is provided with a return frame;

2. The bending forceps according to claim 1, wherein an upper cover is further provided at the front end of the first support, and the bending frame is connected to a lower surface of the upper cover.

3. The return bend pliers of claim 2 wherein the upper cover includes a track through which the extrusion head passes.

4. The back bending forceps according to claim 3, wherein the upper cover further comprises a communicating portion, a preset gap for placing an arch wire is formed between the communicating portion and the back bending frame, and the rail is a through cavity arranged in the middle of the communicating portion.

5. The backbending tongs according to claim 4 wherein the cross-sections of the track, the inner frame of the backbending frame and the extrusion head are rectangular.

6. The backbending forceps according to claim 5, wherein the first bracket is connected to a bottom of the communication portion, and the upper cover is located at a top of the first communication portion.

7. A bending forceps according to claim 6, wherein the first bracket is provided with a first bending part and a first handle part, one end of the first bending part is connected with the first handle part, the other end of the first bending part is connected with the communicating part, and the first bending part is movably connected with the second bracket.

8. The backbending forceps according to claim 7, wherein the second frame has a second curved portion and a second grasping portion, one end of the second curved portion is connected to the second grasping portion, the squeezing head is disposed on the other end of the second curved portion, and the first curved portion and the second curved portion are movably connected.

9. The backbending forceps according to claim 8, wherein the angle formed between the squeezing head and the grasping portion ranges from 80 ° to 100 °.

10. The recurve tongs according to claim 1, characterized in that the difference between the height of the extrusion head and the height of the inner frame of the recurve frame is the width of the arch wire.