JP2532336B2 - Endodontic treatment device, needle-like holder for the endodontic treatment device, and container for storing the same - Google Patents

Description

Detailed Description of the Invention

[0001]

The present invention relates, upon endodontic treatment Ushokuha, root canal treatment tool and holder of the needles used in the tooth root canal treatment tool and its use in root canal inside the cleaning and Hakusuri Regarding storage containers.

[0002]

2. Description of the Related Art Endodontic treatment of carious teeth has hitherto been carried out using a treatment tool called a so-called dental broach. FIG.
A schematic diagram thereof is shown in FIG.
6 and a needle-shaped piano wire 42 fixed to the grip 46 with a fastening portion 41 such as a nut .

When the inside of the root canal 45 of the carious tooth 44 is treated by using the broach 40, the operator winds the cotton 43 around the tip portion of the piano wire 42 by the fingertip according to the treatment purpose. That is, when cleaning the inside of the root canal 45,
While preventing the cotton 43 from falling off from the piano wire 42, when applying the patch in the root canal 45, the cotton 43 soaked with the liquid medicine easily separates from the piano wire 42 and becomes the root canal 45.
The winding degree of the cotton 43 is adjusted so as to be filled inside.

[0004]

However, in the conventional method, the cotton 43, which comes into direct contact with the living tissue, is wound around the piano wire 42 by the operator's fingertip, so that the cotton 43 may be contaminated, and the affected area may be affected. There is a problem that secondary infection of tissues is also predicted.

[0005] Such problems may be solved by using rubber gloves used as a protection measure against viral infectious diseases such as AIDS and hepatitis even in a medical institution performing dental treatment. Due to its elasticity, it is much more difficult to wrap the cotton 43 around the piano wire 42 in a bare hand state. In particular, as described above, the winding degree of the cotton 43 is adjusted according to the purpose of treatment. Is almost impossible. The brooch is a piano wire 4.
A fastening operation such as a screw is also required to attach and detach the 2 and the grip 46.
It is. Therefore, it is necessary to replace the piano wire during treatment.
If this happens, use a gloved hand to perform such an operation.
Has the problem that workability is extremely poor, and avoid this
There are many brooches with cotton attached to the piano wire 42 in advance.
It is necessary to prepare, and the cost is high.

The present invention has been devised in view of the above problems, and its purpose is to allow a doctor's finger tip or the like to be
Without touching the cotton to be a direct contact with the living tissue, yet cotton depending on the therapeutic purpose is in such to provide a holding so as not to fall out the root canal or leaving the root canal treatment tool capable of such.

[0007]

[Means for Solving the Problems] Claim 1 of the present invention
The invention described above is a needle-shaped body having cotton attached to the tip thereof, and the needle-shaped body.
It consists of a grip body that can detachably hold the rear end of the
Clean the root canal by inserting the cotton attached to the needle into the root canal.
A root canal treatment tool that can be used for cleaning and patching
The needle-shaped body has a spiral locking portion at the tip.
And cover it with the cotton,
By moving back and forth with respect to the locking part of the
It is detachably attached so that it can be engaged, and the grip body is
Fit the needle-shaped body by inserting the rear end of the needle-shaped body.
A root canal characterized by having a fitting hole capable of holding
It is a therapeutic tool. In the invention according to claim 2, the upper surface is open.
And has a box body with elastic material stored and arranged on the bottom surface,
In the box body, the needle-shaped body of the endodontic treatment device is inserted into the needle.
The cotton at the tip of the needle-shaped body
A plurality of holding holes that can be held apart from the elastic material are formed.
2. The tooth according to claim 1, wherein the holding plate is locked.
It is a needle-shaped holder used for endodontic treatment tools.
The invention according to claim 3 closes the inside by sealing.
A holder for the needle-shaped body is provided inside a container having a lid that can be
The tilt holding plate that can store and hold by tilting
A container for accommodating a needle-shaped body holder according to claim 2.
It

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 illustrates an overall side view of the present invention. An endodontic treatment instrument 1 includes a grip body G and a cotton 5 at the tip.
It is composed of the attached needle-shaped body 4, and in this example, the grip body
G is a grip portion 2 and a connecting portion attached to the grip portion 2.
3 and 3 .

The gripping portion 2 has a cylindrical shape at a portion to be a doctor's grip, and in this example, a hollow portion 2A is formed at a substantially middle portion thereof so as to provide a good grip feeling. or,
As shown in FIG. 2, the grip portion 2 has two protruding shafts 6 projectingly formed on the surface facing the connecting portion 3 in this example.
In addition to the two projecting shafts, one prism or a shaft having an elliptical shape or the like may be used.

The connecting portion 3 is formed with a fitting hole 7 into which the protruding shafts 6, 6 of the grip portion 2 can be inserted and fixed, and serves to prevent rotation when the two are connected. Further, a fitting hole 8 into which a inserting shaft 9 of a needle-shaped body 4 described later can be fitted and held is formed on the other end side of the connecting portion 3.

As shown in FIGS. 2 and 3 , the needle-shaped body 4 is
A sharp needle-shaped wire shaft 10 formed at the end and an insertion shaft at the rear end
Consists 9 Prefecture, insertion shaft 9 is slightly without a thicker diameter than the needle-like fine line shaft 10, insert the fitting hole 8 of the connecting portion 3
Fitting is held by the writing. Further, as shown in FIG. 3 (A), the needle-shaped thin wire shaft 10 may be processed with a helical locking portion 10A in a direction that is clockwise when viewed from the A direction in this example. The locking portion 10A is formed into a spiral groove or, on the contrary, is a raised convex portion to form a screw portion, but the lead thereof may be variously modified other than the illustrated one. Further, at the tip of the needle-shaped thin wire shaft 10, cotton 5 compressed so as to surround the periphery of the locking portion 10A is attached.
Can be disengaged and engaged by screwing back and forth with respect to the wire shaft 10.
Such are mounted in the state, such cotton 5, attached mechanically hygienically acicular fine wire shaft 1 by the compression action of the (not shown)
Can be attached to 0.

As a material for the needle-shaped body 4, a resin such as soft elastic polyethylene is suitable in consideration of workability and flexibility according to the shape of the root canal, but a conventional steel wire material is also used. obtain.

Further, since the axial length L and the axial diameter D of the cotton 5 are different depending on the shape of the root canal to be treated, it may be thick or thin or long or short in advance. It is also possible to prepare various materials such as the above and color the end surface 9A of the insertion shaft 9 so that they can be distinguished at a glance. In addition to the end surface 9A of the insertion shaft 9 , a colored material may be used for the side surface portion 9B and the material itself as the colored portion.

Next, the needle-shaped body holder 11 for holding the plurality of needle-shaped bodies 4 will be described with reference to FIGS. 4 to 5. The needle-shaped body holding tool 11 has an upper surface released and an elastic surface on the lower surface.
Forming a box that houses and arranges the material 14
A needle-shaped body 4 to which cotton 5 of the endodontic treatment instrument is attached in advance
As shown in FIG. 5 with the rear end of the needle-like body facing upward.
The cotton 5 at the tip of the needle body 4 is separated from the elastic member 14.
Holding plate 13 having a plurality of holding holes 13A capable of holding
It is characterized by the provision of .

The holding plate 13 is placed on a locking frame 11A formed around the side of the needle-shaped body holding tool 11 and the tip of the needle-shaped body 4 , that is, the cotton 5 does not come into contact with the elastic material 14. Held in. Further, the holding hole 13A has a dimension of substantially the same diameter as the insertion shaft 9 portion of the needle-shaped body 4, and can hold the insertion shaft 9. Further, in this example, the bottom surface of the needle-shaped body holding tool 11 is opened in a rectangular shape, and the elastic material 14 such as a foamed resin sheet is placed on the side end thereof. Thereby, the tip of the needle-shaped body 4
Even if the cotton 5 comes into contact with it, it is preferable in that it can be protected .

One holding plate 13 has one kind of needle-like shape.
The body 4 may be held, or multiple types of it may be arranged.
Yes .

Next, a storage container 20 for accommodating the needle-shaped body holder 11 and capable of being conveniently used will be described with reference to FIG. The storage container 20 closes inside by closing.
Inside the container with 25 lids that can be closed,
Inclined holding plate 2 capable of tilting and holding the body holder 11
The feature is that 7 and 28 are provided .

The storage container includes a front wall 22, a lower plate 23 and a back plate 2.
4 and the left and right side walls 21, 21 form a container having an upper open structure, and an upper plate 25 is pivotally attached to the upper surface of the container via a clamp portion 33 that can be alternately opened and closed by so-called one push. When the plate 25 is closed, the storage container 20 is in a substantially sealed state.

The upper plate 25 is a piece of the left and right side walls 21.
The shaft 26 is rotatably supported by a shaft 26 and is constantly urged upward by a spring or the like (not shown). Clamp part 33
Has a well-known structure including a projecting piece 31 attached to the upper plate 25 side and a holder 32 that is operated by the projecting piece 31 and can hold and release the projecting piece 31.

The inclined holding plates 27 and 28 are substantially "L".
The needle-shaped body holding tool 11 can be housed and held with respect to the lower plate 23 at a predetermined inclination angle by arranging them so as to face each other. Although the inclination angle can be variously designed, it is usually desirable that the inclination angle is about 30 degrees with respect to the horizontal plane.

Further, in this embodiment, the desiccant 34 is placed inside the storage container 20 at a position corresponding to the bottom surface of the needle-shaped body holding tool 11 in the inclined holding state of the needle-shaped body holding tool 11. To illustrate. Thereby, the cotton 5 of the needle-shaped body 4 housed in the needle-shaped body holder 11 can be prevented from being moistened. In addition to the drying material, an antibacterial material may be arranged, and in such a case, it is possible to prevent the germs from propagating on the cotton 5.

Next, the operation of the present invention configured as above will be described. The needle-shaped body holder 11 is stored in advance in the storage container 20 as shown in FIG. 7. In this state, when treating the root canal, the upper plate 2 of the storage container 20
5 is released upward, and the needle-shaped body 4 is selected according to the shape of the root canal of the patient as much as possible. At this time, when the needle-shaped body 4 is colored, it is preferable in that it can be distinguished by these colors.

Next, the insertion shaft 9 of the needle-shaped body 4 is fitted into the connecting portion 3.
Insert into the insertion hole 8 . At this time, since the needle-shaped body holding tool 11 is tilted and held in the storage container 20, the holding tool 1
1, the upper part is open, so the grip body G can be easily
Insertion can, perform operations on good and circle smooth. And grip
After inserting the needle-shaped body 4 into the connecting portion 3 of the main body G and pulling out the grip portion 2 to the front, the needle-shaped body 4 is pulled out from the holding plate 13 due to the frictional force between them, and the attachment to the connecting portion 3 is completed. As a result, the endodontic treatment device 1 is completed without directly touching the cotton 5 with the fingertip, and the portion of the cotton 5 can be inserted into the root canal of a patient.

Next, the case where the purpose of performing endodontic treatment is to clean and remove the inside of the root canal will be described. The operator holds the grip portion 2 and presses and inserts the cotton 5 portion into the root canal of the patient. , Rotate clockwise. As a result, the contaminants in the root canal adhere to the cotton 5 and can be removed.

When the grip portion 2 is rotated clockwise,
The cotton 5 is pressed firmly into the root canal and stands still, and the needle-shaped body 4
Even when only the needle is rotated, the cotton 5 is screwed back and forth with respect to the needle-shaped thin wire shaft 10 by the screw action of the spiral groove formed in the needle-shaped thin wire shaft 10 or the raised locking portion 10A.
Therefore, in this case, it moves upward, that is, to the operator side,
It is possible to prevent the cotton 5 from coming off from the needle-shaped thin wire shaft 10.

On the other hand, when the purpose of the treatment of the root canal is to apply a patch inside the root canal, the operator presses and inserts the portion of the cotton 5 soaked with the liquid medicine into the root canal of the patient, and rotates counterclockwise. Rotate to. As a result, the thread action of the locking portion 10A formed on the needle-shaped thin wire shaft 10 causes the cotton 5 to move forward and backward with respect to the needle-shaped thin wire shaft 10 , and in this case , moves downward, that is, toward the root canal side. Then, the cotton 5 can be detached from the needle-shaped thin wire shaft 10.

When the above treatment is completed, the needle-shaped member 4 that has been used up is extracted from the connecting portion 3 and discarded as medical waste, and when the treatment is performed again, the needle 3 is newly added to the connecting portion 3.
The needle-like body 4 can be easily attached just by inserting the same as above.
You can do it .

In this example, the needle-shaped fine wire shaft 10 of the needle-shaped body 4 is used.
The example in which the so-called right-handed screw engaging portion 10A is formed is illustrated. However, it is needless to say that the above operation is reversed when the needle-shaped thin wire shaft 10 is formed with a left-handed screw.

Further, the connecting portion 3 may come into contact with the inside of the oral cavity, and since the needle-shaped body 4 is frequently held, it may be soiled or the fitting hole 8 may be damaged.
In this case, the connecting portion 3 can be removed from the grip portion 2 and only this portion can be replaced. The needle-shaped body holder 11
After using all the needle-shaped bodies 4 held in the, the needle-shaped body holder 11 is exchanged as one unit for convenience.
Increase .

[0030]

According to the present invention, the needle-like shape in which cotton has been previously attached
The body can be fitted and held in the grip body by inserting it
As a result, when performing endodontic treatment, the doctor's fingertips, etc.
Do not touch any cotton part that will come into direct contact with
Can prevent secondary infection of the
It can be done very easily .

Further , cotton is screwed back and forth to the spiral locking portion of the needle-shaped body.
As a result of attaching cotton so that it can be disengaged and engaged by
It is extremely easy to select the rotation direction of the endodontic treatment device.
Depending on the type of treatment, remove the cotton from the needle just by moving.
It is possible to decide whether to let it or to engage it so that it will not come off.
It is free from the troublesome work of adjusting the winding degree of cotton with a hand as in the past, and since cotton is attached to the needle-shaped body in advance, wearing rubber gloves,
Can be treated.

Further, a holder and a holder capable of holding a plurality of needle-shaped bodies.
A storage container that can hold the holder of the child at a predetermined inclination angle.
A needle-shaped body to the grip body by using a container
The workability on the occasion is greatly improved, and it can be done hygienically.
Etc., it has a practical effect that can contribute to smooth treatment
It

[Brief description of drawings]

FIG. 1 is a side view of an embodiment of the endodontic treatment device of the present invention.

FIG. 2 is a partial side view of the endodontic treatment device of the present invention.

FIG. 3 is a side view of an embodiment of the needle-shaped body of the present invention.

FIG. 4 is a plan view of a needle-shaped holder of the present invention.

5 is a sectional view taken along line BB in FIG.

FIG. 6 is a perspective view showing an embodiment of an accommodating container for a needle-shaped holder according to the present invention.

FIG. 7 is a schematic diagram for explaining the operation of the present invention.

FIG. 8 is a schematic view for explaining a conventional endodontic treatment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Root canal treatment tool 2 Grasping part 3 Connection part 4 Needle-like body 5 Cotton 6 Projection shaft 7 Fitting hole 8 Fitting hole 9 Insertion shaft 10 Needle-shaped fine wire shaft 10A Locking part 11 Needle-like body retainer 11A Locking frame 12 Opening Part 13 Holding Plate 20 Storage Container 25 Upper Plate 27 Tilt Holding Plate 28 Tilt Holding Plate G Grip Main Body

Claims (3)

(57) [Claims] 1. A needle-shaped body having cotton attached to its tip, and a needle-shaped body of the needle-shaped body.
A grip body that can detachably hold the rear end,
Insert the cotton attached to the needle into the root canal to clean the root canal.
A root canal treatment tool that can be used for cleaning and patching
The needle-shaped body has a spiral locking portion formed at the tip, and
Cover the locking part with the cotton, and
Can be disengaged and engaged with the needle-shaped body by screwing back and forth.
And the grip body is inserted by inserting the rear end of the needle-shaped body.
It has a fitting hole for fitting and holding the needle-shaped body.
Intra- oral root canal treatment device. 2. An upper surface is open and an elastic material is placed on the lower surface.
Form a box placed, and in the box, the needle-shaped body of the endodontic treatment device,
Put the cotton on the needle end with the rear end facing up.
A plurality of holding holes that can be held apart from the elastic material are formed.
The holding plate formed is provided.
A needle-shaped holder for an endodontic treatment device . 3. A lid which can close the inside by closing.
Inside the container with the body, tilt the holder for the needle-shaped body.
It is characterized in that it is provided with an inclined holding plate that can be stored and held.
The container for accommodating the needle-shaped body holder according to claim 2 .