CN216455377U - Root canal filling machine and machine head thereof - Google Patents
Root canal filling machine and machine head thereof Download PDFInfo
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- CN216455377U CN216455377U CN202122223671.2U CN202122223671U CN216455377U CN 216455377 U CN216455377 U CN 216455377U CN 202122223671 U CN202122223671 U CN 202122223671U CN 216455377 U CN216455377 U CN 216455377U
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Abstract
The embodiment of the utility model provides a root canal filling machine and a machine head thereof, relating to the technical field of root canal treatment. Because the piece overcoat that generates heat is equipped with the heat insulating part, therefore the heat insulating part can prevent the outside loss of the heat that the piece that generates heat produced, avoids the shell to be heated and heaies up, can concentrate the heat simultaneously, heats the gutta percha fully, utilizes energy, resources are saved more effectively. Because the glue inlet end of the glue injection needle is communicated with the heating cavity, the molten gutta-percha in the heating cavity can enter the glue injection needle through the glue inlet end of the glue injection needle and is filled into the enlarged root canal from the tip end of the glue injection needle.
Description
Technical Field
The utility model relates to the technical field of root canal treatment, in particular to a root canal filling machine and a handpiece thereof.
Background
Human teeth contain pulp cavities and 1-4 root canals, and blood vessels of dental nerves and trophic nerves are led out through the root canals, so that when infections occur in the pulp due to various conditions, functional damage of the teeth can be caused, and pains, jaw infection and other diseases can be caused. Root canal therapy is also called endodontic therapy, is a treatment method developed in recent years for protecting affected teeth, and has better treatment and protection effects on dental problems such as chronic pulpitis, chronic periapical periodontitis, periodontal pulp combined lesion, traumatic teeth and the like.
Root canal treatment includes several main treatment stages, including root canal preparation, disinfection, root canal filling, etc. after the root canal preparation and disinfection, the root canal filling is to fill the expanded root canal with medicine material to make the medicine material fit to the wall of the root canal. For gutta-percha filling, it is often performed using a root canal filling machine.
The existing root canal filling machine generally needs to heat solid gutta-percha to melt the gutta-percha and then fill the gutta-percha into the enlarged root canal, however, the heating of the gutta-percha causes the temperature of the shell to rise, which causes inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a root canal filling machine and a machine head thereof, wherein a shell is not easy to heat up during working and is convenient to operate.
The embodiment of the utility model is realized by the following steps:
in a first aspect, the present invention provides a handpiece of a root canal filling machine, comprising:
a housing;
the heating element is arranged in the shell, and a heating cavity is formed in the heating element;
the glue injection needle penetrates through the shell, and the glue inlet end of the glue injection needle is communicated with the heating cavity;
and the heat insulation piece is arranged in the shell and sleeved outside the heating piece.
In an alternative embodiment, the heat insulating member has a first end and a second end in an axial direction, the first end has a first through hole, the second end has a second through hole, and an inner wall of the first through hole and an inner wall of the second through hole are both attached to an outer wall of the heat generating member.
In an alternative embodiment, the thermal insulation is a vacuum tube, thermal insulation wool, thermal insulation mica tube or boron nitride ceramic tube.
In an optional embodiment, a first limiting part and a second limiting part are formed on the outer wall of the heating member, and the first limiting part and the second limiting part are opposite to each other in the axial direction of the heating member;
the first end is positioned between the first limiting part and the second limiting part; or the second end is positioned between the first limiting part and the second limiting part.
In an optional embodiment, the first limiting part and the second limiting part are both annular protrusions surrounding the outer wall of the heating element, and the first limiting part, the heating element and the second limiting part form limiting grooves;
the inner wall of the first through hole is accommodated in the limiting groove; or the inner wall of the second through hole is accommodated in the limit groove.
In an optional embodiment, the heating member comprises a heating body and a glue discharging section which are coaxial and communicated, the heating body is internally provided with the heating cavity, and the glue inlet end of the glue injection needle is accommodated in the glue discharging section;
the inner wall of the first through hole is attached to the outer wall of the glue outlet section, and the inner wall of the second through hole is attached to the outer wall of the heating body;
the first limiting part and the second limiting part are formed on the outer wall of the heating body, and the second end is located between the first limiting part and the second limiting part.
In an optional implementation manner, the length of the heating body is greater than that of the glue outlet section, and the pipe diameter of the glue outlet section is greater than that of the heating body.
In an alternative embodiment, the handpiece further comprises:
the inner wall of the positioning sleeve is attached to the outer wall of the heat insulation piece, and the outer wall of the positioning sleeve is attached to the inner wall of the shell.
In an optional embodiment, a knob is rotatably disposed at an end of the housing, and the glue injection needle is inserted into the knob and can rotate together with the knob.
In a second aspect, the present invention provides an root canal filler comprising the head of the root canal filler according to any one of the preceding embodiments.
The embodiment of the utility model has the beneficial effects that:
because the heating cavity is arranged in the heating element, solid gutta-percha can be placed in the heating cavity, and the solid gutta-percha is stored in the heating cavity after being melted by the heating effect of the heating element. Because the piece overcoat that generates heat is equipped with heat insulation spare, therefore heat insulation spare can prevent the outside loss of heat that the piece that generates heat produced, avoids the shell to be heated and heaies up, can concentrate the heat simultaneously, heats gutta percha fully, utilizes energy, resources are saved more effectively. Because the glue inlet end of the glue injection needle is communicated with the heating cavity, the molten gutta-percha in the heating cavity can enter the glue injection needle through the glue inlet end of the glue injection needle and is filled into the enlarged root canal from the tip end of the glue injection needle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a root canal filling machine according to an embodiment of the present invention;
fig. 2 is a sectional view of a head of an root canal filling machine according to an embodiment of the present invention.
The figure is 100-root canal filling machine; 1-machine head; 10-a housing; 101-a housing; 103-a locking cap; 12-a heat generating member; 121-heating chamber; 123-a heating body; 125-a first stop; 127-a second limiting part; 128-glue discharging section; 14-glue injection needle; 141-glue inlet end; 16-a thermal insulation; 161-a first end; 163-second end; 18-a knob; 19-a positioning sleeve; 3-operating a handle; 30-switch key; 32-charging port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, 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 or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Root canal treatment includes several main treatment stages, root canal preparation, disinfection, root canal filling, etc. the root canal preparation is to perform mechanical cutting and file expanding on the root canal to achieve the required shaping, so as to create better space conditions for subsequent root canal filling. Disinfection is the removal of organic matter in the root canal and infected tissue (bacteria) of the root canal by irrigation after the root canal preparation is completed. In root canal filling, after the root canal preparation and sterilization are completed, a medicinal material is filled into the enlarged root canal so that the filled medicinal material is attached to the wall of the root canal. For gutta-percha filling, it is often performed using a root canal filling machine.
The existing root canal filling machine generally needs to heat solid gutta-percha to melt the gutta-percha and then fill the gutta-percha into the enlarged root canal, however, the heating of the gutta-percha causes the temperature of the shell to rise, which causes inconvenience for the user.
In view of the above-mentioned drawbacks of the prior art, the inventors have studied to propose the following examples for improvement.
Referring to fig. 1 and 2, an embodiment of the present invention provides a root canal filling machine 100, where the root canal filling machine 100 includes a handpiece 1, and the handpiece 1 includes a housing 10, a heating element 12, a glue injection needle 14, and a heat insulation element 16. The heat generating member 12 is disposed in the housing 10, and the heat generating member 12 has a heating cavity 121 therein. The glue injection needle 14 penetrates through the housing 10, and the glue inlet end 141 of the glue injection needle 14 is communicated with the heating cavity 121. The heat insulation member 16 is disposed in the housing 10 and sleeved outside the heat generating member 12.
Therefore, in the root canal filling machine 100 according to the embodiment of the present invention, since the heating element 12 has the heating cavity 121 therein, the solid gutta-percha can be placed in the heating cavity 121, and the solid gutta-percha is melted by the heating action of the heating element 12 and then stored in the heating cavity 121. Because the heat insulating part 16 is sleeved outside the heating part 12, the heat insulating part 16 can prevent heat generated by the heating part 12 from escaping outwards, the shell 10 is prevented from being heated and heated, meanwhile, the heat can be concentrated, gutta percha is sufficiently heated, energy is more effectively utilized, and resources are saved. Because the glue inlet end 141 of the glue injection needle 14 is communicated with the heating cavity 121, the melted gutta-percha in the heating cavity 121 can enter the glue injection needle 14 through the glue inlet end 141 of the glue injection needle 14 and is filled into the enlarged root canal from the tip of the glue injection needle 14.
With continued reference to fig. 1, the root canal filling machine 100 further includes an operating handle 3, the operating handle 3 is mainly used for being held by a user, and the handpiece 1 is connected to one end of the operating handle 3. Further, the end of the operating handle 3 used for connecting the handpiece 1 is a mounting end, the housing 10 is connected to the mounting end, the heating element 12 is arranged at the mounting end in a penetrating way, and one end of the heating element extends into the operating handle 3. The inside of operating handle 3 is provided with rechargeable battery, and this rechargeable battery is connected with the piece 12 electricity that generates heat, and operating handle 3 is provided with switch button 30, therefore the user can be through the electric break-make of this switch button 30 control rechargeable battery and the piece 12 that generates heat, heats the gutta percha as required, simultaneously, sets up rechargeable battery in operating handle 3 for root canal filling machine 100 has abandoned external power supply line, reaches the purpose of operating more in a flexible way. One end of the operating handle 3, which is away from the handpiece 1, is provided with a charging port 32, so that the root canal filling machine 100 is electrically connected to an external power supply through the charging port 32 to charge a rechargeable battery, thereby ensuring the normal operation of the root canal filling machine 100.
The housing 10 may be made of a metal material or a plastic material, for example, when the metal material is a metal material, a metal such as aluminum alloy, stainless steel, or copper may be used; when the material is a plastic material, the material can be made of high temperature resistant materials such as nylon, PE, ABS, polysulfone and the like.
With continued reference to fig. 1 and 2, the housing 10 includes a cylindrical case 101 and a cylindrical locking cap 103, both ends of the cylindrical case 101 are open, and one end of the case 101 is connected to the mounting end of the operating handle 3. The end of the housing 101 facing away from the operating handle 3 extends radially inward to form a holding portion, which contacts the outer wall of the heat insulating member 16.
Meanwhile, a positioning sleeve 19 is further sleeved outside the heat insulation piece 16, the inner wall of the positioning sleeve 19 is attached to the outer wall of the heat insulation piece 16, the outer wall of the positioning sleeve 19 is attached to the inner wall of the shell 10, namely, the inner wall of the positioning sleeve 19 is attached to the inner wall of the shell 101, and two ends of the positioning sleeve 19 are respectively in contact with two ends of the shell 101. One end of the locking cap 103 is connected to an end of the case 101 away from the operating handle 3, so that the locking cap 103 can lock the heat insulating member 16, the heat generating member 12, the positioning sleeve 19, and the like provided in the case 10.
The end of the housing 10 is provided with a rotary knob 18 in a rotatable manner, i.e. the end of the locking cap 103 facing away from the operating handle 3 is provided with a rotary knob 18 in a rotatable manner, which rotary knob 18 is capable of rotating axially about itself, i.e. about the axis of the housing 10. The knob 18 is rotatably inserted through an end of the locking cap 103 facing away from the operating handle 3.
With reference to fig. 2, the glue injection needle 14 is a hollow tube, when the solid gutta-percha is melted by heating, the melted gutta-percha can be injected into the root canal of the tooth through the glue injection needle 14, the glue injection needle 14 can be made of a high temperature resistant plastic material or a metal material, wherein when the glue injection needle is made of a metal material, the metal material can be stainless steel, aluminum alloy or copper; when the plastic material is used for manufacturing, the plastic material can be high-temperature resistant materials such as nylon, PE, ABS, polysulfone and the like. The injection needle 14 penetrates through the knob 18 and can rotate along with the knob 18, so that the angle of the rotary injection needle 14 can be adjusted as required, and the phenomenon that the internal channel of the injection needle 14 is blocked and the like due to direct touch of the injection needle 14 is avoided.
The insulation 16 may be a vacuum tube, insulation wool, insulation mica tube, or boron nitride ceramic tube. In this embodiment, the heat insulating member 16 is a vacuum tube with a smooth inner wall and a vacuum layer, and may be made of stainless steel or glass, which is simple in structure, strong in manufacturability, and easy to implement industrialization. Therefore, the heat insulation member 16 can surround the part of the heating member 12 in the housing 10, effectively prevent the heat generated when the heating member 12 heats the gutta percha in the heating member 12 from radiating to the housing 10, and avoid the temperature rise of the housing 10 and the operating handle 3 connected with the housing 10.
The heat insulating member 16 has a first end 161 and a second end 163 in the axial direction, the first end 161 has a first through hole, the second end 163 has a second through hole, and an inner wall of the first through hole and an inner wall of the second through hole are attached to an outer wall of the heat generating member 12. The outer wall of the heating element 12 is formed with a first stopper 125 and a second stopper 127, and the first stopper 125 and the second stopper 127 are opposite to each other in the axial direction of the heating element 12. The first end 161 is located between the first stopper portion 125 and the second stopper portion 127; or the second end 163 is located between the first stopper portion 125 and the second stopper portion 127.
Further, the first limiting portion 125 and the second limiting portion 127 are both annular protrusions surrounding the outer wall of the heating element 12, and the first limiting portion 125, the heating element 12 and the second limiting portion 127 form limiting grooves. The inner wall of the first through hole is accommodated in the limiting groove; or the inner wall of the second through hole is accommodated in the limit groove.
Specifically, the heating element 12 includes a heating body 123 and a glue discharging section 128 which are coaxial and communicated, the axial length of the heating body 123 is greater than that of the glue discharging section 128, and the pipe diameter of the glue discharging section 128 is greater than that of the heating body 123. The heating body 123 has a heating cavity 121 therein, and the glue inlet end 141 of the glue injection needle 14 is accommodated in the glue outlet section 128. The inner wall of the first through hole is attached to the outer wall of the glue outlet section 128, and the inner wall of the second through hole is attached to the outer wall of the heating body 123. The outer wall of the heating body 123 is formed with a first limiting portion 125 and a second limiting portion 127, and the second end 163 is located between the first limiting portion 125 and the second limiting portion 127, that is, the first limiting portion 125 and the second limiting portion 127 on the heating body 123 form a limiting groove. Of course, in other embodiments, a circumferentially disposed annular groove may be formed on the outer wall of the heat generating body 123, and two opposite side walls of the shape-changing groove are the first limiting portion 125 and the second limiting portion 127.
In summary, in the root canal filling machine 100 according to the embodiment of the present invention, since the heating element 12 has the heating cavity 121 therein, the solid gutta-percha can be placed in the heating cavity 121, and the solid gutta-percha is melted by the heating action of the heating element 12 and then stored in the heating cavity 121. Because the heat insulating part 16 is sleeved outside the heating part 12, the heat insulating part 16 can prevent heat generated by the heating part 12 from escaping outwards, the shell 10 is prevented from being heated and heated, meanwhile, the heat can be concentrated, gutta percha is sufficiently heated, energy is more effectively utilized, and resources are saved. Because the glue inlet end 141 of the glue injection needle 14 is communicated with the heating cavity 121, the melted gutta-percha in the heating cavity 121 can enter the glue injection needle 14 through the glue inlet end 141 of the glue injection needle 14 and is filled into the enlarged root canal from the tip of the glue injection needle 14.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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. A head for a root canal filling machine, comprising:
a housing;
the heating element is arranged in the shell, and a heating cavity is formed in the heating element;
the glue injection needle penetrates through the shell, and the glue inlet end of the glue injection needle is communicated with the heating cavity;
and the heat insulation piece is arranged in the shell and sleeved outside the heating piece.
2. The head block of the root canal filling machine according to claim 1, wherein the heat insulating member has a first end and a second end in an axial direction, the first end having a first through hole, the second end having a second through hole, an inner wall of the first through hole and an inner wall of the second through hole both being attached to an outer wall of the heat generating member.
3. The handpiece of the root canal filling machine according to claim 2, wherein the heat insulator is a vacuum tube, heat-insulating cotton, heat-insulating mica tube or boron nitride ceramic tube.
4. The head of the root canal filling machine according to claim 2, wherein a first stopper portion and a second stopper portion are formed on an outer wall of the heat generating member, the first stopper portion and the second stopper portion being opposed to each other in an axial direction of the heat generating member;
the first end is positioned between the first limiting part and the second limiting part; or the second end is positioned between the first limiting part and the second limiting part.
5. The head of the root canal filling machine according to claim 4, wherein the first stopper portion and the second stopper portion are each an annular projection surrounding an outer wall of the heat generating member, and the first stopper portion, the heat generating member, and the second stopper portion form a stopper groove;
the inner wall of the first through hole is accommodated in the limiting groove; or the inner wall of the second through hole is accommodated in the limit groove.
6. The handpiece of the root canal filling machine according to claim 4 or 5, wherein the heating member comprises a heating body and a glue discharging section which are coaxial and communicated, the heating body is internally provided with the heating cavity, and the glue feeding end of the glue injection needle is accommodated in the glue discharging section;
the inner wall of the first through hole is attached to the outer wall of the glue outlet section, and the inner wall of the second through hole is attached to the outer wall of the heating body;
the first limiting part and the second limiting part are formed on the outer wall of the heating body, and the second end is located between the first limiting part and the second limiting part.
7. The head of the root canal filling machine according to claim 6, wherein the length of the heat generating body is greater than the length of the gel discharging section, and the pipe diameter of the gel discharging section is greater than the pipe diameter of the heat generating body.
8. The handpiece of the root canal filling machine according to claim 2, further comprising:
the inner wall of the positioning sleeve is attached to the outer wall of the heat insulation piece, and the outer wall of the positioning sleeve is attached to the inner wall of the shell.
9. The handpiece of the root canal filling machine according to claim 2, wherein a knob is rotatably provided at an end of the housing, and the filling needle is inserted into the knob to be rotatable therewith.
10. An root canal filler comprising the head of the root canal filler according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223671.2U CN216455377U (en) | 2021-09-14 | 2021-09-14 | Root canal filling machine and machine head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122223671.2U CN216455377U (en) | 2021-09-14 | 2021-09-14 | Root canal filling machine and machine head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216455377U true CN216455377U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122223671.2U Active CN216455377U (en) | 2021-09-14 | 2021-09-14 | Root canal filling machine and machine head thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216455377U (en) |
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2021
- 2021-09-14 CN CN202122223671.2U patent/CN216455377U/en active Active
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