KR20100137986A - Appartus for obturating root canal - Google Patents

Abstract

PURPOSE: A root canal filling device is provided to enable a surgical operation to easily and accurately bend a region after recognizing the bending region through the stepped part of a needle combined with a hetero metal. CONSTITUTION: A root canal filling device includes a main body and a needle(100). The main body includes a cap(120) in which a filling material is discharged after being softened and moved from the inner side of a front end part. A needle comprises an outer circumference reinforcing pipe part(130) and a bending tube part(110). The outer circumference reinforcing pipe part is included in the end part of the cap, is inserted in order to fill the filling material in the root canal of the tooth, and is combined with the cap. The bending tube part is bent in a stepped part(170) after the lower part of the bending tube part is inserted into the outer circumference reinforcing pipe part.

Description

Root canal filling device {appartus for obturating root canal}

The present invention relates to a root canal filling device, and more particularly, to a root canal filling device that improves the stability and ease of use of the root canal filling procedure.

In general, the root canal filling device is used in the dental treatment to treat the root canal or root portion and fill with filling when the pulp or the periodontitis occurs in the teeth.

Specifically, the tooth is a soft connective tissue filling the pulp cavity inside, and bacterial infection, especially tooth decay, is in the pulp, which is richly distributed in nerves and blood vessels that reach the superficial layer of dentin. Inflammation caused by pulpitis frequently occurs (, pulpitis), and if left untreated, the periodontitis (齒 根 膜炎, period 根 膜炎) that is inflamed to the fibrous tissue between the root and jaw bone.

In order to preserve the teeth by treating such pulpitis or fasciitis, puncture the inflamed area with a puncture instrument and fill the sealed canal with a filling material to seal the toothache and remove the toothache and the surrounding tissue. prevent.

Here, the filler is a pale greenish white flexible mass of plant extracts contained in the sap of the Palaquium and Fayena plants that are wild in Malay Peninsula, Sumatra and Borneo. For example, gutta-percha is used, which softens when heated and hardens when cooled. This is commonly referred to as White Gutta-Percha, which is used as a temporary filling to help seal the root canal completely.

On the other hand, a variety of root canal filling device for filling the filling in the root canal in the treatment of pulpitis or fasciitis, it will be described with reference to the accompanying drawings.

1 is a front view showing a conventional root canal filling device.

Referring to Figure 1, the conventional root canal filling device (5) is made in a gun (gun) shape and the rear end is provided with a plunger 14 for pressing the filling material forward and the softened filling material at the front end Cap 12 is coupled to the discharge port provided with the discharge passage is discharged and the needle is provided with a needle 10 of a predetermined length to inject the filling material into the root canal through the needle (10). Therefore, when the user grasps the holding part 18 and presses the filling switch 16, the heat-melted filling inside the charging case 19 is discharged through the cap 12 and the needle 10. Here, the cap 12 is mainly used for the brass material, the needle 10 is mainly used for the silver material having excellent thermal conductivity.

However, in the conventional root canal filling device 5, the needle 10 is made in a straight shape, and the user often bends a specific part of the needle 10 according to the position of the root canal for the convenience of the procedure. It was not easy to bend a specific part of the needle 10 having a length of 30 mm and a width of 1 mm, and the needle 10 was distorted or broken as the user bent the needle 10 in various directions. There was a problem that inhibits convenience and stability.

Moreover, when bending the needle, the silver needle is easily bent at the connection with the cap, and the pressure to maintain the root canal filling state when filling the filling after inserting the end of the banded needle into the root canal. The lower end of the needle, which is connected to the brass cap and is bent, has a problem of impairing the stability of the procedure.

Therefore, the needle is required to have the strength that the specific site is easily and accurately bent in the desired direction and the connection portion with the cap is not easily bent when the procedure is performed using the bent needle.

In order to solve the above problems, the present invention combines the outer circumferential reinforcing pipe portion of the needle with a different material, the stepped portion is easily bent and the needle of the coupling portion with the cap reinforces the stability of the root canal filling procedure It is an object of the present invention to provide a root canal filling device with improved convenience.

In order to solve the above problems, the present invention includes a main body having a cap for discharging the filling is moved from the inside of the front end softened; And is provided at the end of the cap is inserted to fill the filling in the root canal of the tooth, the outer circumferential reinforcing pipe portion coupled to the cap, the bottom is inserted into the outer circumferential reinforcing pipe portion banding banding in stepped step It provides a root canal filling device comprising a needle made of a pipe.

Here, it is preferable that the outer reinforcing pipe portion and the bending tube portion are fitted to each other and swaged integrally and fixedly coupled to each other. In addition, the outer reinforcing pipe portion is made of a brass material corresponding to the cap, the bending pipe portion is preferably provided with a silver material. Further, the outer circumferential reinforcement pipe portion and the bending pipe portion are each made of a circular pipe shape, the length of the outer circumferential reinforcement pipe portion is preferably made of 1/2 or more of the length of the bending pipe portion. The banding pipe portion and the outer stiffening pipe portion are each made of a circular pipe and a polygonal pipe, and are preferably swaged for a tapered shape from an end portion of the bending pipe portion to an upper end portion of the outer circumferential steel pipe portion.

Through the above solution, the present invention provides the following effects.

First, the root canal filling device of the present invention is fastening the banding portion of the needle and the outer reinforcement pipe portion of the brass material, the operator can recognize the banding portion through the stepped stepped portion of the needle combined with dissimilar metal, easy and accurate bending Since it is possible, the ease of use can be significantly improved.

Secondly, the bending pipe part and the outer reinforcement pipe part are fastened to each other and joined by swaging, so that they are firmly joined by pressing and the lower end of the needle is further reinforced to prevent the lower end of the needle from being easily bent when bending the existing needle. Of course, the stability of the procedure can be significantly improved by effectively preventing the bending of the needle that occurred in the connection portion of the needle and the cap during the conventional procedure.

Third, while the outer circumferential reinforcement pipe portion is provided with a polygonal pipe and swaging from the front end of the bending pipe portion to the upper end of the outer circumferential reinforcement pipe portion, the outer circumferential reinforcement pipe portion is fixed to the cap as a polyhedron, so that the needle can be fixed to the cap more stable.

Fourth, if the needle is used in various directions during the procedure, it can be gently bent in various directions through the stepped step between the bending pipe part and the outer reinforcing reinforcement pipe part, so that the distortion or cutting of the needle due to the frequent bending of the existing needle This prevents the canal filling procedure can be made smoothly.

Hereinafter, a root canal filling device according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

2 is a front view showing a root canal filling device according to a preferred embodiment of the present invention, Figure 3 is a perspective view showing a needle of the root canal filling device according to a preferred embodiment of the present invention.

2 and 3, the root canal filling device 50 according to a preferred embodiment of the present invention comprises a main body and a needle (100).

In detail, the root canal filling device 50 is preferably made of a gun (gun) injection gun, the main body is provided with a cap 120 for discharging the filling is moved to soften from the inside of the front end portion.

Specifically, the main body includes a cap 120 except for the needle 100, a plunger 140, a charging switch 160, a gripper 180, and a charging case 190.

Here, the cap 120 is preferably made of a truncated conical shape in which a flow path (not shown) is formed inside, and serves to connect the needle 100 to the main body. The plunger 140 pressurizes the filling contained in the charging case 190, the charging switch 160 controls the pressing operation of the plunger 140, and the holding unit 180 serves as a handle of the user. The charging case 190 has a heater (not shown) for heating and melting the gutta-percha, which is a filler, inside.

In addition, the main body of the above-described configuration is accommodated in the inside of the charging case 190, the user grasping the holding unit 180 and then pulling the charging switch 160, the heater (inside the charging case 190) Filled and softened by the molten heat is pressed as the plunger 140, which is interlocked with the filling switch 160 is moved to the front side is operated to be discharged through the cap 120 provided at the front end of the main body . To this end, the main body is supplied with power necessary for operation, it is preferable that a power supply unit (not shown) is built to have portability for the convenience of the procedure.

In addition, the cap 120 is preferably made of an alloy having thermal conductivity, durability and economics, such as brass (黄銅, brass). The cap 120 is provided with the flow path (not shown) penetrated in the longitudinal direction therein, the flow path (not shown) in the tapered shape of the front narrow back light so that the filling of the softened rubber characteristics can be moved smoothly. Is preferred. The flow path (not shown) is in communication with an outlet (not shown) formed at the front end of the charging case 190 so that the softened filling can be moved.

Moreover, the cap 120 is preferably detached to the front end of the charging case 190 for disinfection or cleaning for hygienic management. This is done by the cap 120 being fitted or screwed to the front end of the charging case 190. The configuration for this can be carried out by well-known techniques, so a detailed description thereof will be omitted. In addition, the cap 120 is preferably sealed to prevent leakage of the packing according to its detachable structure.

On the other hand, the needle 100 is fixed to the end of the cap 120, the needle 100 is inserted to fill the filling in the root canal of the teeth, outer peripheral reinforcement tube 130 is coupled to the cap 120 ), And a lower portion is inserted into the outer circumferential reinforcement pipe part 130 and is formed of a bending pipe part 110 that is bent from the stepped stepped part 170. To this end, the outer diameter of the bending pipe part 110 is formed to correspond to the inner diameter of the outer circumferential reinforcement pipe part 130, the fitting hole 150a is formed inside the outer circumferential reinforcement pipe part 130.

Here, the needle (needle, 100) is preferably made of a shape in which pipes of different lengths are coupled, it is preferable that the needle is fixed by pressing the end of the cap 120 is sealed by a resin. Of course, the needle 100 and the cap 120 may be coupled to be fixed to each other by welding or brazing each other. Therefore, the needle 100 is used by replacing the cap 120.

That is, the coupling of the needle 100 and the cap 120 is such that the flow hole 150 communicates with the front end of the flow path (not shown) of the cap 120 so that the lower end of the needle 100 is connected to the cap. Inserted into the 120 or placed on top of the cap 120 and fixed by a clamping member (122 of FIG. 5) coupled to both sides of the needle 100 to support and fix the lower end of the needle 100 It is desirable to be. At this time, the clamping member (122 of FIG. 5) is preferably sealed to prevent leakage of the filling.

On the other hand, the needle 100 is preferably made by the bending pipe part 110 and the outer reinforcing reinforcement pipe 130 is fitted to each other and integrally swaged and fixedly coupled. In other words, the pipes of different materials are firstly clamped and then secondarily joined by firmly by crimping by swaging, which is one of forging. At this time, the flow hole 150 formed inside the bending pipe part 110 is maintained in its shape.

Here, the bending pipe part 110 is preferably made of silver (Ag) material having excellent thermal conductivity so that the heated filling does not cool down and moves stably, and 99% of the constituent material is silver, and other copper, It is made of alloy mixed with metal such as SUS. The outer reinforcing pipe portion 130 is preferably made of brass of the same material as the cap 120 for manufacturability and economics.

In addition, the bending pipe part 110 and the outer reinforcement pipe part 130 is fitted to each other, so that the whole is swaging process, preferably made of a truncated conical shape, the outer reinforcement pipe part from the front end of the bending pipe part 110 The rear end of the 130 is tapered. Moreover, the lower portion of the bending pipe part 110 is preferably inserted to the bottom of the outer circumferential reinforcement pipe part 130 to prevent leakage of the filler into the gap into which it is inserted and for a firm coupling. Of course, the lower end of the bending pipe portion may be inserted to any one side of the fitting hole.

Therefore, the needle 100 by fitting the pipes of dissimilar metals to primarily reinforce using the material properties of dissimilar metals, and in order to additionally reinforce the overall strength while strengthening the coupling of dissimilar metals. Perform a swaging process. Accordingly, the needle 100 is inserted into and supported by the outer circumferential reinforcement pipe 130 to be easily joined to the bending pipe part 110 made of silver (Ag), and to support the bending to further reinforce the lower strength. The outer reinforcement pipe portion 130 of the brass material is provided.

In addition, the bending pipe part 110 and the outer circumferential reinforcement pipe part 130 are formed with stepped portions 170 having a stepped coupling therebetween by their fitting coupling. The step portion 170 is a portion that is substantially banded by being supported by the outer circumferential reinforcing pipe portion 130 that varies in strength when the user or the operator grasps the bending tube portion 110 and bends the position of the user. There is also an additional function that guides the human eye or hand to make it recognizable. To this end, the edge of the outer reinforcing pipe portion 130 is preferably having a thickness in the range of 0.1mm ~ 0.15mm.

As described above, the root canal filling device 50 of the present invention, the needle 100 is a needle 100 is fastened by the bending pipe portion 110 and the outer peripheral reinforcement pipe portion 130 made of brass, the needle 100 is coupled to the different metals The stepped portion 170 of the) allows the operator to recognize the banding area and can be easily and accurately bent, thereby greatly improving the convenience of use.

On the other hand, the bending pipe part 110 and the outer circumferential reinforcement pipe portion 130 is made of a circular pipe shape, respectively, the length of the outer circumferential reinforcement pipe portion 130 is made of 1/2 or more of the length of the bending pipe portion 110 This is preferred. More preferably, the outer circumferential reinforcement pipe part 130 has a length within a range of 1/2 or more and 2/3 or less of the length of the needle 100.

Therefore, when the user bends the needle 100, a sufficient length to hold the bending pipe part 110 by hand is secured, and an outer periphery exposed to the outside after the lower portion of the needle 100 is coupled to the cap 120. The length of the reinforcement pipe part 130 is secured so that the support strength of the coupling portion with the cap 120 is not bent. Through this, since the accurate bending of the needle 100 is possible, the usability of the root canal filling device 10 can be significantly improved.

Hereinafter, the processing of the needle according to the present invention with reference to the accompanying drawings will be described in detail.

Figure 4 is a perspective view showing the processing of the needle of the root canal filling device according to an embodiment of the present invention.

As shown in (a) of FIG. 4, the material prepared before processing the needle 100 has a total length of 30 mm and a width of 1 mm in the cylindrical frame-shaped silver pipe 11 and the length of the silver pipe 11. A brass pipe 13 having a diameter of 1/2 or less and corresponding to the outer diameter of the silver pipe is provided. A flow hole 150 is preformed in the inner side of the silver pipe 11, and in the inner side of the brass pipe 13. A fitting hole 150a having a diameter corresponding to the outer diameter of the silver pipe 11 is preformed.

Here, in order to have a size suitable for dental materials, the outer diameter of the silver pipe 11 is in the range of 0.6 mm to 0.8 mm and the inner diameter, that is, the diameter of the flow hole 150 is preferably about 0.4 mm to 0.5 mm. The inner diameter of the brass pipe 13, that is, the diameter of the fitting hole 150a has a range of 0.85 mm to 0.9 mm and an outer diameter of 1 mm. Accordingly, the thickness of the edge is preferably in the range of 0.1 mm to 0.15 mm. That is, the inner diameter of the brass pipe 13 is provided to be somewhat larger than the outer diameter of the silver pipe 11, so that it can accommodate a margin of error due to the fitting coupling with a little free space.

First, as shown in (b) of FIG. 4, the lower portion of the silver pipe 11 is pressed into the inside of the brass pipe 13. Therefore, the lower portion of the silver pipe 11 is primarily reinforced by fastening the pipes of dissimilar metals. Of course, it is also possible to use the pipes as needles before these silver pipes and brass pipes are interfitted and swaged.

Then, as shown in (c) of FIG. 4, the outer diameter of the shear is approximately 0.6mm so as to be suitable for dental treatment by swaging the pipe in which the silver pipe 11 and the brass pipe 13 are stepped together. It is preferable that the taper be formed as a whole so as to have a range of 0.9 mm to 1 mm of the outer diameter of the rear end. That is, it is preferable that the difference between the outer diameter of the front end and the outer diameter of the rear end is 0.3 mm or 0.4 mm. As the pipe is processed into such a tapered shape, the mechanical strength can be improved and secondary overall strength can be reinforced.

Here, swaging is also known as radial forging and is one of forging methods for compressing or forming metal, and tapping the outer peripheral surface of the pipe with a tool to have a tapered shape in the longitudinal direction of the pipe. It is.

Therefore, the needle 100 is a cylindrical pipe having an outer diameter of 1 mm and a length of 30 mm after joining pipes of dissimilar metals to form a boundary for bending, and the difference between the outer diameters of the front and rear ends of at least 0.3 mm and 0.4 mm. It is swaged to a tapered shape to have the following range.

That is, the bending pipe part 110 and the outer reinforcement pipe part 130 are fastened to each other and coupled by a swaging process, so that they are firmly coupled by pressing and the lower end of the needle 100 is further reinforced to bend the existing needle. The lower end of the needle can be easily prevented, as well as effectively prevent the bending of the needle that occurred in the connection portion of the needle and cap during the conventional procedure can be significantly improved the stability of the procedure.

On the other hand, Figure 5 is a perspective view showing the processing of the needle of the root canal filling device according to another embodiment of the present invention.

In this embodiment, since the basic configuration is the same as the above-described embodiment except the outer reinforcement pipe portion, a detailed description thereof will be omitted.

As shown in FIG. 5, the needle 200 has a bending pipe part 110 and an outer reinforcement pipe part 230 made of a circular silver pipe 11 and a polygonal brass pipe 23, respectively, the bending pipe part 110. It is preferable to be swaged for the tapered shape from the end of the) to the upper end of the outer reinforcing pipe portion 230.

As shown in Figure 5 (a), the silver pipe 11 has the same size as the above-described embodiment and the brass pipe 23 is provided with a pipe having a polygonal outer surface, the length, the inner diameter of the brass of the above-described embodiment Same as the pipe 13. Such polygonal pipes have a greater rigidity against external bending stresses than circular pipes.

First, referring to FIG. 5B, the lower part of the silver pipe 11 is fitted into the fitting hole 150a of the inner side of the brass pipe 23. At this time, the inner diameter of the brass pipe 23, that is, the diameter of the fitting hole 150a corresponds to the outer diameter of the silver pipe 11, the specific size is the same as the configuration of the above-described embodiment. Here, the diameter of the circumscribed circle of the brass pipe 23 is preferably 1 mm to suit the dental material.

Subsequently, referring to FIG. 5C, the pipes, which are heterogeneous metals, are firmly fixed by swaging from the front end of the silver pipe 11 to the upper end of the brass pipe 23. At this time, since the stepped portion 270 is connected with a gentle slope, the strength may be further improved. Of course, the cross section of the brass pipe 23 is shown in a square shape, but is not limited thereto, and may be formed in various polygonal shapes to provide convenience in manufacturing.

In addition, the outer peripheral reinforcing pipe portion 230 formed by the present embodiment has a polygonal cross-section that is formed as a hole having a multi-sided shape in which a coupling hole (see 121 in FIG. 5) to which the cap 120 is coupled is corresponding thereto. 200 is fixedly coupled to the cap, the needle can be fixed to the cap in a more stable state.

On the other hand, Figure 6 is a perspective view showing that the needle is mounted and bent on the cap according to an embodiment of the present invention.

As shown in FIG. 6, the needle 100 is preferably bent at the stepped portion 170 of the bending pipe part 110 and the outer circumferential reinforcement pipe part 130. In addition, the cap 120 is preferably formed with a coupling hole 121 corresponding to the outer surface of the outer circumferential reinforcing pipe portion 130 so that the needle 100 is coupled. The coupling hole 121 is formed in the clamping member 122 to support and fix the outer surface of the lower end of the outer circumferential reinforcement pipe part 230.

Here, the needle 100 is easily bent because the bending pipe part 110 is easily bent by the step portion 170 formed to be different from the stiffness of the dissimilar metal and stepped when the user applies the force holding the bending pipe part 110. Can be banded. In this case, the bending pipe part 110 may be smoothly bent as the band is supported by the edge of the outer circumferential reinforcement pipe part 130 surrounding the band.

Furthermore, when the needle 100 is used while bending in various directions according to the treatment site, the bending part 110 and the stepped portion 170 of the outer reinforcing reinforcement pipe 130 may be gently and accurately bent in various directions. Therefore, the root canal filling procedure can be performed smoothly by preventing distortion or cutting of the needle due to frequent bending of the existing needle.

Hereinafter, the procedure and effect of the root canal filling using the root canal filling device equipped with a needle according to the present invention.

First, gutta-percha that matches the molded root canal is selected and inserted into the root canal and checked for tug back. Afterwards, select a pen tip that is 4 to 6 mm shorter than the working length. Then, the sealer is applied to the gutta-percha tip 3 mm and inserted into the root canal. Then, the gutta percha on the upper part of the orifice is cut out by heating the pen tip, and the pen tip is heated and inserted until 4 to 6 mm of the working length, and then the heating is stopped and pressurized for about 10 seconds. Heat the tip of the pen for about 1 second, remove it from the root canal, and chop it with a prepared plugger. At the end of this process, root canal filling at 1/3 of the root canal is complete.

Thereafter, the needle 100 of the root canal filling device 10 is inserted into the root canal to fill the remaining empty space.

Specifically, the needle 100 is inserted into the root canal and then waits for about 5 seconds to soften the top of the pre-filled gutta-percha. While slowly pulling the charging switch 16, softened gutta-percha is injected into the root canal. Needle 100 is naturally raised out of the root canal by the injection pressure of gutta-percha. If the root canal filling is insufficient after chopping with a plugger of a larger size prepared in advance, the root canal filling is completed by additionally injecting gutta-percha using the root canal filling device 10 and then chopping.

As described above, the root canal filling procedure is to select a gutta-perca cone suitable for the root canal file (apical file) and the size and insert it into the root canal and pressurize it vertically using a vertical pressure pen. After only charging to about 5mm, the remaining space is made by completely filling the soft gutta-percha cone using the root canal filling device (10).

In this case, the needle 100 is used by bending the needle 100 in various directions, and the operator can easily band the needle 100 through the step 170. In addition, the step portion 170 may be easily recognized by checking the hand texture or the naked eye. Moreover, the lower end of the needle 100 is reinforced by the outer circumferential reinforcing pipe part 130 so that bending does not occur during bending of the needle 100 or during treatment for filling the root canal. Through this, the stability and ease of use of the root canal filling procedure can be significantly improved.

As described above, the root canal filling device according to the preferred embodiment of the present invention is not limited to each of the above-described embodiments, and the general knowledge in the technical field to which the present invention belongs without departing from the scope of the claims of the present invention. It is possible to carry out modification by the exciter, and such modifications are within the scope of the present invention.

1 is a front view showing a conventional root canal filling device.

Figure 2 is a front view showing a root canal filling device according to a preferred embodiment of the present invention.

Figure 3 is a perspective view of the needle of the root canal filling device according to a preferred embodiment of the present invention.

Figure 4 is a perspective view showing the processing of the needle of the root canal filling device according to an embodiment of the present invention.

Figure 5 is a perspective view showing the processing of the needle of the root canal filling device according to another embodiment of the present invention.

Figure 6 is a perspective view showing that the needle is mounted and banded to the cap in accordance with a preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

5,50: root canal filling device 10, 100: needle

12, 120: Cap 14, 140: Plunger

16, 160: charging switch 18, 180: holding part

19, 190: Case 110: Bending pipe part

121: coupling hole 130: outer reinforcement pipe

150: flow hole 170: stepped portion

Claims (5)

A main body provided with a cap for discharging the filling which is softened and moved from the inside of the front end thereof; And It is provided at the end of the cap is inserted to fill the filling in the root canal of the tooth, the outer circumferential reinforcement pipe portion is coupled to the cap, the lower portion is inserted into the outer circumferential reinforcement pipe portion is a bending pipe portion banded at the stepped step Root canal filling device comprising a needle made of. The method of claim 1, Root canal filling device, characterized in that the outer peripheral reinforcing pipe portion and the bending pipe portion is fitted to each other and integrally swaged and fixedly coupled. The method of claim 1, The outer circumferential reinforcement pipe portion is made of a brass material corresponding to the cap, the bending pipe portion is root canal filling device, characterized in that provided with a silver material. The method of claim 1, The outer circumferential reinforcement pipe portion and the bending pipe portion are each made of a circular pipe shape, the length of the outer circumferential reinforcement pipe portion is characterized in that the root canal filling device made of more than 1/2 of the length of the bending pipe portion. The method of claim 1, The banding pipe portion and the outer circumferential reinforcement pipe portion is made of a circular pipe and a polygonal pipe, respectively, the root canal filling device, characterized in that for the tapered shape from the end of the bending pipe portion to the upper end of the outer circumferential reinforcement pipe portion.

Images