阅读说明：本技术 牙胶充填机 (Gutta-percha filling machine ) 是由 吴坤优 覃荣情 陆友 陈泽荣 韦锋文 林剑华 张本琴 孙胜 于 2021-09-14 设计创作，主要内容包括：本发明实施例提供的牙胶充填机,涉及根管治疗技术领域,由于发热管和注胶针相连通,因此能够在发热管内放入牙胶并由发热管将牙胶加热软化后,通过能够沿发热管的轴向移动的推杆推抵发热管内的牙胶,以将软化的牙胶经注胶针注入牙齿根管内,完成根管充填；由于外壳的侧壁设置有观察口,推杆位于发热管外的部分设置有能够随推杆一起移动的指示件,因此医生能够通过观察口查看指示件的位置,从而明确目前牙胶充填机内还剩下的牙胶量,以在进行下一次根管充填的治疗之前,提前补充牙胶,避免在根管充填的治疗过程中,发生牙胶不足,需要中断治疗,临时补充牙胶的情况发生,治疗服务质量高,提高了患者的医疗体验。(The gutta-percha filling machine provided by the embodiment of the invention relates to the technical field of root canal treatment, and because the heating tube is communicated with the glue injection needle, gutta-percha can be put into the heating tube, the heating tube heats and softens the gutta-percha, and then the gutta-percha in the heating tube is pushed and propped by the push rod capable of moving along the axial direction of the heating tube so as to inject the softened gutta-percha into the root canal of the tooth through the glue injection needle, thereby completing the filling of the root canal; because the lateral wall of shell is provided with the viewing aperture, the part that the push rod is located the heating tube outside is provided with the indicator that can remove along with the push rod, consequently, the doctor can look over the position of indicator through the viewing aperture, thereby it is clear that remaining gutta percha volume in the gutta percha filling machine at present, before the treatment that carries out root canal next time filling, replenish the gutta percha in advance, avoid in the treatment process that the root canal was filled, it is not enough to take place the gutta percha, need interrupt the treatment, the condition of replenishing the gutta percha temporarily takes place, treatment service quality is high, patient's medical experience has been improved.)

1. A gutta-percha filling machine, comprising:

the side wall of the shell is provided with an observation port;

the glue injection needle penetrates through one end of the shell;

the heating tube is arranged in the shell and communicated with the glue injection needle;

the push rod can be partially penetrated in the heating tube in a reciprocating way along the axial direction of the heating tube, and the part of the push rod, which is positioned outside the heating tube, corresponds to the observation port;

and the indicating piece is arranged at the part of the push rod, which is positioned outside the heating pipe, and can move along with the push rod.

2. The gutta-percha filling machine according to claim 1, further comprising a driving source and a transmission rod which are arranged in said housing, wherein said driving source is connected with said push rod through said transmission rod, said transmission rod can move along the axial direction of said heating tube under the action of said driving source to drive said push rod to move, and said indicating member is arranged on said transmission rod at a position close to said push rod.

3. The gutta-percha filling machine according to claim 2, wherein said transmission rod is provided with a through hole having an extending direction forming an included angle with an axial direction thereof, and said indicator is partially inserted into said through hole.

4. The gutta-percha filling machine according to claim 2, further comprising a limiting structure and a nut disposed in said housing, wherein said driving source is a driving motor, said transmission rod is a lead screw, an output shaft of said driving motor is disposed through said nut for driving said nut to rotate relative to said housing, said lead screw is in threaded connection with said nut, one end of said lead screw departing from said driving motor is connected with said push rod, said limiting structure is provided with a guide groove having a length extending direction along an axial direction of said heating tube, said guide groove corresponds to said viewing port, said indicator is partially disposed through said guide groove and can slide relative to said guide groove under the driving of said lead screw.

5. The gutta-percha filling machine according to claim 2, further comprising a limiting structure and a screw rod which are arranged in the housing, wherein the driving source is a driving motor, the transmission rod is a nut, an output shaft of the driving motor is connected with the screw rod, the nut is in threaded connection with the screw rod, one end of the nut, which is far away from the driving motor, is connected with the push rod, the limiting structure is provided with a guide groove, the length extension direction of which is along the axial direction of the heating tube, the guide groove corresponds to the observation port, and the indicating member is partially arranged in the guide groove in a penetrating way and can slide relative to the guide groove under the driving of the nut.

6. The gutta-percha filling machine according to claim 4 or 5, further comprising a mounting sleeve disposed in said housing, wherein said screw, said nut and an output end of said driving motor are all located in said mounting sleeve, and a portion of said mounting sleeve corresponding to said viewing port is said limiting structure.

7. The gutta-percha filling machine according to claim 4 or 5, wherein a bearing is provided in said housing, said transmission rod portion is inserted into said bearing.

8. The gutta-percha filling machine as in claim 1, wherein a marker capable of emitting light or reflecting light is provided on a side of said indicator facing said observation port.

9. The gutta percha filling machine as in claim 8, wherein said marker is an indicator light or a reflective coating or a fluorescent coating.

10. The gutta-percha filling machine according to claim 1, wherein a lens fitted to said observation port is disposed in said observation port; and/or the presence of a gas in the gas,

the periphery of the observation port is provided with scale marks.

Technical Field

The invention relates to the technical field of root canal therapy, in particular to a gutta-percha filling machine.

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 root canal filling, gutta-percha filling machines are often used.

The inventor researches and discovers that the existing gutta-percha filling machine firstly puts gutta-percha in the filling machine, then heats and softens the gutta-percha and injects the softened gutta-percha into a root canal, so that the filling frequency is limited, if the residual gutta-percha amount is insufficient during treatment, doctors can influence the quality of treatment service, and the medical experience of patients is poor.

Disclosure of Invention

The invention aims to provide a gutta-percha filling machine, which is characterized in that a doctor can check the position of an indicating piece through an observation port, so that the remaining gutta-percha amount in the existing gutta-percha filling machine is determined, the gutta-percha is supplemented in advance before the next treatment of root canal filling, the situations that the gutta-percha is insufficient, the treatment needs to be interrupted, the gutta-percha is supplemented temporarily in the treatment process of the root canal filling are avoided, the treatment service quality is high, and the medical experience of a patient is improved.

In a first aspect, the present invention provides a gutta-percha filling machine, comprising:

the side wall of the shell is provided with an observation port;

the glue injection needle penetrates through one end of the shell;

the heating tube is arranged in the shell and communicated with the glue injection needle;

the push rod can be partially penetrated in the heating tube in a reciprocating way along the axial direction of the heating tube, and the part of the push rod, which is positioned outside the heating tube, corresponds to the observation port;

and the indicating piece is arranged at the part of the push rod, which is positioned outside the heating pipe, and can move along with the push rod.

In an optional embodiment, the gutta-percha filling machine further comprises a driving source and a transmission rod which are arranged in the shell, the driving source is connected with the push rod through the transmission rod, the transmission rod can move along the axial direction of the heating tube under the action of the driving source to drive the push rod to move, and the indicating piece is arranged on the transmission rod and close to the position of the push rod.

In an optional embodiment, the transmission rod is provided with a through hole, the extending direction of the through hole forms an included angle with the axial direction of the transmission rod, and the indicating piece is partially arranged in the through hole in a penetrating mode.

In optional embodiment, the gutta-percha filling machine further comprises a limiting structure and a nut which are arranged in the shell, the driving source is a driving motor, the transmission rod is a lead screw, an output shaft of the driving motor penetrates through the nut and is used for driving the nut to rotate relative to the shell, the lead screw is in threaded connection with the nut, the lead screw deviates from one end of the driving motor and is connected with the push rod, the limiting structure is provided with a guide groove, the length extending direction of the guide groove is along the axial direction of the heating tube, the guide groove corresponds to the observation port, and the indicating part is partially penetrated through the guide groove and can slide relative to the guide groove under the driving of the lead screw.

In optional embodiment, the gutta-percha filling machine is further including set up in limit structure and lead screw in the shell, the driving source is driving motor, the transfer line is the nut, driving motor's output shaft with lead screw connection, the nut with lead screw threaded connection, the nut deviates from driving motor's one end with the push rod is connected, limit structure is provided with length extending direction and follows the axial guide way of heating tube, the guide way corresponds to the viewing aperture, the indicator part wear to locate in the guide way, and can be in under the drive of nut for the guide way slides.

In an optional embodiment, the gutta-percha filling machine further comprises an installation sleeve arranged in the shell, the screw rod, the nut and the output end of the driving motor are all located in the installation sleeve, and the part, corresponding to the observation port, on the installation sleeve is the limiting structure.

In an alternative embodiment, a bearing is provided within the housing, the drive rod portion being disposed through the bearing.

In an alternative embodiment, the indicator is provided with a marker capable of emitting light or reflecting light on the side of the indicator facing the viewing port.

In alternative embodiments, the marker is an indicator light or a reflective or fluorescent coating.

In an alternative embodiment, a lens matched with the observation port is arranged in the observation port; and/or the presence of a gas in the gas,

the periphery of the observation port is provided with scale marks.

According to the gutta-percha filling machine provided by the embodiment of the invention, as the heating tube is communicated with the glue injection needle, gutta-percha can be put into the heating tube, and heated and softened by the heating tube, and pushed by the push rod capable of moving along the axial direction of the heating tube, so that the softened gutta-percha is injected into the root canal of the tooth through the glue injection needle, and the root canal filling is completed; because the lateral wall of shell is provided with the viewing aperture, the part that the push rod is located the heating tube outside is provided with the indicator that can remove along with the push rod, consequently, the doctor can look over the position of indicator through the viewing aperture, thereby it is clear that remaining gutta percha volume in the gutta percha filling machine at present, before the treatment that carries out root canal next time filling, replenish the gutta percha in advance, avoid in the treatment process that the root canal was filled, it is not enough to take place the gutta percha, need interrupt the treatment, the condition of replenishing the gutta percha temporarily takes place, treatment service quality is high, patient's medical experience has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a gutta-percha filling machine according to an embodiment of the present invention;

FIG. 2 is a sectional view of the gutta-percha filling machine according to the embodiment of the present invention;

fig. 3 is a combination schematic view of a mounting sleeve and an indicator according to an embodiment of the present invention.

Icon: 10-a housing; 101-a viewing port; 103-a lens; 105-graduation marks; 12-glue injection needle; 14-a heating tube; 16-a push rod; 18-an indicator; 181-a label; 20-a drive motor; 22-a lead screw; 24-a nut; 26-a pin; 28-a guide groove; 30-a screw; 32-mounting the sleeve; 34-bearing.

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 invention, as claimed, but is merely representative of selected embodiments of the invention. 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 "inside", "outside", 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 used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to 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.

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 root canal filling, gutta-percha filling machines are often used.

The step of filling the root canal is usually to stick a proper gutta-percha point with paste and then to extend into the enlarged root canal, then to soften and cut the gutta-percha point by using a working tip heated by a heat carrier, then to compact the gutta-percha in the root canal by a vertical pressurizer, and finally to fill the root canal by injecting the gutta-percha by using a gutta-percha filling machine. The working process of the gutta-percha filling machine is that the gutta-percha rod is arranged in the instrument, the filling machine heats and softens the gutta-percha rod, and the softened gutta-percha is pushed out from the glue injection needle through the internal push rod.

However, in the existing gutta-percha filling machine, gutta-percha is firstly put in the filling machine and then heated and softened to be injected into the root canal, so that the filling frequency is limited, if the residual gutta-percha amount is insufficient during treatment, a doctor can influence the quality of treatment service, and the medical experience of a patient is poor.

The inventors have studied and provided the following examples to improve the above-mentioned drawbacks of the prior art. Some embodiments of the invention are described in detail below with reference to the accompanying drawings. It should be noted that the features of the following embodiments and examples may be combined with each other without conflict.

Referring to fig. 1 to 3, an embodiment of the present invention provides a gutta-percha filling machine, which includes a housing 10, a glue injection needle 12, a heating tube 14, a push rod 16 and an indicator 18. The side wall of the housing 10 is provided with a viewing port 101. The glue injection needle 12 penetrates one end of the shell 10. The heating tube 14 is disposed in the casing 10 and is communicated with the glue injection needle 12. The push rod 16 is disposed through the heat pipe 14 in a manner of reciprocating along the axial direction of the heat pipe 14, and the portion of the push rod 16 located outside the heat pipe 14 corresponds to the observation port 101. The indicator 18 is disposed on a portion of the push rod 16 outside the heat generating tube 14 and is movable with the push rod 16.

As the heating tube 14 is communicated with the glue injection needle 12, gutta-percha can be put into the heating tube 14, and after the gutta-percha is heated and softened by the heating tube 14, the gutta-percha in the heating tube 14 is pushed by the push rod 16 which can move along the axial direction of the heating tube 14, so that the softened gutta-percha is injected into the root canal of the tooth through the glue injection needle 12, and the root canal filling is completed; because the lateral wall of shell 10 is provided with viewing aperture 101, the part that push rod 16 is located the heating tube 14 outside is provided with the indicator 18 that can remove along with push rod 16, consequently, the doctor can look over the position of indicator 18 through viewing aperture 101, thereby it is clear that remaining gutta percha volume in the gutta percha filling machine at present still, before the treatment of carrying out next root canal filling, replenish the gutta percha in advance, avoid in the treatment process of root canal filling, it is not enough to take place the gutta percha, need interrupt the treatment, the condition of replenishing the gutta percha temporarily takes place, treatment service quality is high, patient's medical experience has been improved.

The housing 10 is substantially cylindrical, a glue injection needle 12 is inserted into a first axial end of the housing 10, and a second axial end of the housing 10 is used for connecting a tail wire. The heating tube 14 includes that coaxial being connected holds section and linkage segment, the length of linkage segment is less than the length that holds the section, the internal diameter size of linkage segment is greater than the internal diameter size that holds the section, the one end of annotating glue needle 12 is connected in the linkage segment from this, the hole that holds the section is for being used for filling the gutta-percha chamber of gutta-percha, the movable part of push rod 16 is worn to locate in this hole that holds the section, thereby at the distance between the first end of push rod 16 (the one end that push rod 16 is close to annotate glue needle 12) and injecting glue needle 12, also be the distance between the tip in the first end of push rod 16 and gutta-percha chamber for remaining gutta-percha volume, look over the position at indicator 18 that sets up on push rod 16 through viewing aperture 101, can make clear of remaining amount of gutta-percha.

The gutta-percha filling machine further comprises a driving source and a transmission rod which are arranged in the shell 10, wherein the driving source is connected with the push rod 16 through the transmission rod, the transmission rod can move along the axial direction of the heating tube 14 under the action of the driving source so as to drive the push rod 16 to move, and the indicating piece 18 is arranged on the transmission rod and close to the push rod 16.

Further, the gutta-percha filling machine further comprises a limiting structure and a nut 24 which are arranged in the shell 10, the driving source is a driving motor 20, the transmission rod is a lead screw 22, the output shaft of the driving motor 20 penetrates through the nut 24 and is used for driving the nut 24 to rotate relative to the shell 10, the lead screw 22 is in threaded connection with the nut 24, one end of the lead screw 22, which deviates from the driving motor 20, is connected with the push rod 16, the limiting structure is provided with a guide groove 28, the length extending direction of which is along the axial direction of the heating tube 14, the guide groove 28 corresponds to the observation port 101, the indicating piece 18 is partially penetrated through the guide groove 28 and can slide relative to the guide groove 24 under the driving of the lead screw 22. Wherein, the screw 22, the output shaft of the driving motor 20, the nut 24, the push rod 16 and the heating tube 14 are coaxial. The output shaft of the driving motor 20 and the nut 24 are commonly provided with a pin 26 in a penetrating manner, and the length extending direction of the pin 26 forms an included angle with the output shaft of the driving motor 20, specifically, may be a right angle.

Therefore, when the driving motor 20 is started, the output shaft rotates to drive the nut 24 to rotate in the housing 10, because the indicating part 18 arranged on the lead screw 22 is partially arranged in the guide groove 28 in a penetrating manner, the lead screw 22 is in threaded connection with the nut 24, the indicating part 18 can also limit the rotation of the lead screw 22, and the lead screw 22 is prevented from rotating along with the nut 24, so that the lead screw 22 and the nut 24 generate relative threaded motion, the rotary motion of the output shaft of the driving motor 20 is converted into the linear motion of the lead screw 22, the lead screw 22 can move along the axial direction of the heating tube 14, and the push rod 16 connected to one end of the lead screw 22 is driven to move along the axial direction of the heating tube 14. For example, the output shaft of the driving motor 20 rotates forward to drive the nut 24 to rotate clockwise, and then the lead screw 22 drives the push rod 16 to move along the direction gradually approaching the glue injection needle 12, and then the push rod 16 can push the gutta-percha in the heating tube 14, so as to fill the root canal. Because indicator 18 sets up on lead screw 22, can move along with lead screw 22, consequently look over the position of indicator 18 through viewing aperture 101 and in order to confirm the gutta-percha surplus, if the gutta-percha surplus can not satisfy the demand that the root canal filled next time, make driving motor 20's output shaft reversal, thereby drive nut 24 anticlockwise rotation, and then lead screw 22 drives push rod 16 and moves along the direction of keeping away from rubber injection needle 12 gradually, make the space in heat-generating tube 14, and then just can supply the gutta-percha in heat-generating tube 14. Of course, the output shaft of the driving motor 20 may rotate reversely to make the push rod 16 gradually approach the glue injection needle 12, and the output shaft of the driving motor 20 rotates normally to make the push rod 16 gradually move away from the glue injection needle 12.

The indication member 18 may be disposed on the transmission rod in a manner that a through hole is disposed on the transmission rod, the through hole having an included angle between the extending direction and the axial direction of the transmission rod, and the indication member 18 is partially disposed through the through hole. Specifically, the screw shaft 22 is provided with a through hole having an angle between the extending direction and the axial direction thereof, and the end surface of the portion of the indicator 18 located in the through hole is provided with a threaded hole, and the screw 30 is inserted through the threaded hole and threadedly connected to the threaded hole, so that the screw head portion of the screw 30 abuts against the outer peripheral surface of the screw shaft 22, thereby setting the indicator 18 on the screw shaft 22.

The gutta-percha filling machine further comprises an installation sleeve 32 arranged in the shell 10, the output ends of the lead screw 22, the nut 24 and the driving motor 20 are all positioned in the installation sleeve 32, and the part, corresponding to the observation port 101, on the installation sleeve 32 is of a limiting structure.

The housing 10 is further provided with a bearing 34, a transmission rod portion is inserted into the bearing 34, specifically, the bearing 34 is inserted into the mounting sleeve 32, and the nut 24 portion is inserted into the bearing 34, so that the rotation friction force of the nut 24 in the housing 10 is reduced, and the rotation precision of the nut 24 is stabilized. The specific number of the bearings 34 is not particularly limited, and may be one, two, or the like, and the kind of the bearings 34 is not particularly limited, and may be, for example, an angular contact ball bearing 34 or the like.

It should be noted that, in other embodiments, the driving source may be a hydraulic cylinder, the transmission rod is connected to a piston rod of the hydraulic cylinder, and the heating tube 14, the push rod 16, the transmission rod and the piston rod of the hydraulic cylinder are coaxial, so that when the piston rod of the hydraulic cylinder moves, the transmission rod can be driven to move, the transmission rod can drive the push rod 16 to move along the axial direction of the heating tube 14, and the purpose of pushing gutta-percha to fill a root canal or making room in the heating tube 14 for filling gutta-percha can also be achieved.

In addition, the nut 24 may also be used as a transmission rod, that is, in some embodiments, the gutta-percha filling machine further includes a limiting structure and a lead screw 22 which are arranged in the housing 10, the driving source is the driving motor 20, the transmission rod is the nut 24, an output shaft of the driving motor 20 is connected with the lead screw 22, the nut 24 is in threaded connection with the lead screw 22, one end of the nut 24 away from the driving motor 20 is connected with the push rod 16, the limiting structure is provided with a guide groove 28 whose length extending direction is along the axial direction of the heating tube 14, the guide groove 28 corresponds to the observation port 101, the indicator 18 is partially inserted into the guide groove 28 and can slide relative to the guide groove 28 under the driving of the nut 24, and at this time, the lead screw 22 is partially inserted into the bearing 34. Correspondingly, the nut 24 is provided with a through hole with an included angle between the extending direction and the axial direction of the nut, a threaded hole is formed in the end face of the part, located in the through hole, of the indicating piece 18, the screw 30 is connected with the threaded hole in a penetrating mode, the screw head part of the screw 30 is abutted to the outer peripheral face of the nut 24, and therefore the indicating piece 18 is arranged on the nut 24. It should be understood that the lead screw 22 and the output shaft of the driving motor 20 may be integrally connected, that is, the lead screw 22 and the output shaft of the driving motor 20 are integrally formed. Of course, the screw 22 and the output shaft of the driving motor 20 may be connected in a split manner, and the specific connection manner is not limited in this application as long as the nut 24 can be translated.

In the present embodiment, the indicator 18 is provided with the marker 181 capable of emitting light or reflecting light on the side facing the observation port 101, so that the position of the indicator 18 can be more easily viewed from the observation port 101. Wherein, the marker 181 is an indicator light or a reflective coating or a fluorescent coating.

A lens 103 is disposed in the viewing port 101 to match the viewing port 101, so that the indicator 18 can be seen through the lens 103 while preventing impurities from entering the housing 10 through the viewing port 101.

The periphery of viewing aperture 101 is provided with scale mark 105, and this scale mark 105 arranges along the axial of heating tube 14, also arranges along the axial of shell 10, wherein, the distance between the zero point of indicator 18 to scale mark 105 is the distance that push rod 16 is close to the one end of injecting glue needle 12 to this doctor can directly obtain the concrete length of gutta-percha surplus according to indicator 18 and scale mark 105, more makes things convenient for the doctor to judge whether the gutta-percha surplus is enough.

In summary, according to the gutta-percha filling machine of the embodiment of the present invention, since the heating tube 14 is communicated with the glue injection needle 12, gutta-percha can be put into the heating tube 14 and heated and softened by the heating tube 14, and then pushed against the gutta-percha in the heating tube 14 by the push rod 16 capable of moving along the axial direction of the heating tube 14, so that the softened gutta-percha is injected into the root canal of the tooth through the glue injection needle 12, and root canal filling is completed; because the lateral wall of shell 10 is provided with viewing aperture 101, the part that push rod 16 is located the heating tube 14 outside is provided with the indicator 18 that can remove along with push rod 16, consequently, the doctor can look over the position of indicator 18 through viewing aperture 101, thereby it is clear that remaining gutta percha volume in the gutta percha filling machine at present still, before the treatment of carrying out next root canal filling, replenish the gutta percha in advance, avoid in the treatment process of root canal filling, it is not enough to take place the gutta percha, need interrupt the treatment, the condition of replenishing the gutta percha temporarily takes place, treatment service quality is high, patient's medical experience has been improved.

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