WO2012060553A9 - Dental mirror for reducing pain and preparation method thereof - Google Patents

Abstract

The present invention relates to a dental mirror for reducing pain, comprising: a mirror mounting portion for mounting a mirror; a traction portion integrated with the mirror mounting portion; and a handle connected to the traction portion, wherein the mirror mounting portion and the traction portion are bent to have a predetermined angle and are formed into one body, the cross-section of the body of the traction portion is elliptical to reduce the pain on the oral vestibule when the mouth is opened by the traction portion, the width of the connecting portion of the mirror mounting portion is the same as that of the connecting portion of the traction portion, and the handle is polygonal. The dental mirror for reducing pain of the present invention comprises a round and wide traction portion, thereby reducing pain when pulling at tissue in an oral cavity of a patient, preventing tissue damage resulting from a lip or a mouth angle region being caught in a connecting portion, and facilitating visibility for an operator.

Description

Pain Relief Dental Mirror and Manufacturing Method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental mirror, and more particularly, to prevent pain caused by a connection part of a dental mirror or damage to oral tissue of a patient by being connected to the connection part, and to make the inside of the patient's mouth more comfortable. It relates to a dental mirror prefabricated or integrally formed so that it can be treated.

When a dentist looks at a patient's teeth or gums, the patient's mouth should be wide open. In addition, when a treatment such as an implant or an orthodontic treatment is to be performed, the doctor has to insert a variety of treatment devices for a long time treatment, so the patient's mouth must be opened forcibly to secure a visual field.

When securing and visualizing the oral cavity, the mouth is forcibly opened using a separate dental retractor proposed by Korean Utility Model Model No. 044544 and Korean Patent Application Publication No. 2008-0107603, or visually observed with the naked eye. It was inconvenient because it had to be observed using a separate dental mirror, or the patient complained of mouth ball pain or oral tissue because the mouth was forcibly pulled open using the stem of the dental mirror disclosed in US Patent No. 4512635. There is a problem that the back is damaged.

In addition, when the dental mirror is used for a long time, the frictional force is reduced, and the handle part slips or the screw at the connection part often causes inconvenience to the doctor and the patient during the pulley treatment.

The dental mirror according to the present invention for solving the above problems is to provide a dental mirror to pull the mouth ball by using a wide and round connection that can alleviate the pain in one piece or as a prefabricated form. .

In addition, it is an object of the present invention is to provide a dental mirror having an observation mirror at an angle bent to favor the observation, and easy to replace the handle and the mirror easy to use for a long time.

Pain-relieving dental mirror according to the present invention for the above technical problem, the mirror mounting portion for mounting a mirror, the towing unit formed integrally with the mirror mounting portion and the handle connected to the traction part, the mirror mounting portion and the towing portion It is bent at an angle to form a single body, the cross section of the tow body is oval for relief of pain of the mouth ball when opening the mouth to the tow, the width of the mirror mounting portion and the tow portion is formed equal, the handle is It is characterized in that the polygon.

In one embodiment of the present invention, a polygonal head is formed on one side and a male rod member having a male screw on the other side, a through hole is formed so that the rod member can be inserted, and a handle having a polygonal cross section, the handle and the long rod member. Is coupled to the towing portion is inserted and fixed, the coupling portion is a polygonal groove into which the polygon handle is inserted and a female screw coupled to the male screw of the long rod member is formed on the inner circumferential surface of the polygonal groove is characterized in that the coupling is fixed.

In one embodiment of the present invention, the mirror is characterized in that attached to the processing of any one of a flat mirror, convex mirror or concave mirror in a circular or oval shape.

 In another embodiment of the present invention, a method of manufacturing a dental mirror comprises the steps of preparing a mirror mirror, a pull unit and a handle of the dental mirror mold is integral, mounting the dental mirror mold in a molding machine and injecting a plastic material to form And mounting a mirror to the mirror mounting portion, wherein the molding machine uses an injection machine, and the plastic material uses a polycarbonate which is a thermoplastic resin.

As another embodiment of the present invention, a pressure compression molding machine is used instead of the injection molding machine, and the plastic material is characterized in that a thermosetting resin, PTFE (Ploy Tetra Fluoro Ethylene), is used instead of the polycarbonate (polycarbonate).

Dental mirror according to the present invention has a round and wide traction, so less pain when pulling the patient's peri-oral tissue, tissues are not damaged because the lip or mouth is not caught in the joint connection, the operator can easily view the field You can get medical care.

In addition, since it is molded in one piece or assembly type, it is possible to reduce the production cost by producing in large quantities, and can be utilized as a disposable retractor.

In addition, when the mirror of the dental mirror is scratched, it is easy to replace, the handle is formed in a polygon is easy to hold, high-pressure high-temperature sterilization effect is possible.

1 is a perspective view of a dental mirror made in one piece as a temporary embodiment of the present invention

Figure 2 is an exploded perspective view of a dental mirror fabricated prefabricated as another embodiment of the present invention

The pain-relieving dental mirror according to the present invention comprises a mirror mounting unit for mounting a mirror, a pull unit formed integrally with the mirror mounting unit, and a handle connected to the traction unit, and the mirror mounting unit and the traction unit are bent to have a predetermined angle. It is formed in the body of the, in order to alleviate the pain of the mouth ball when opening the mouth to the tow, the cross section of the tow body is oval, the width of the connecting portion of the mirror mounting portion and the tow portion is formed almost the same, the handle is a polygon It is done.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. The illustrated drawings are only enlarged to the essential content for clarity of the invention, and the additional ones are omitted and should not be construed as limited to the drawings.

Dental mirror according to the present invention, as shown in the perspective view of Figure 1, is composed of a handle 100, the traction unit 200 and the mirror mounting portion 300, A-A of the body of the traction unit 200 for pain relief 'The cross section is semi-circular, characterized in that the width of the connecting portion of the mirror mounting portion 300 and the towing portion 200 is formed substantially the same.

The surface of the handle 100 of the dental mirror is formed of a polygon such as a square or a hexagon. The advantage of the polygon handle is that the frictional force by the edge angle is increased to prevent the hand from sliding or rotating. In addition, the surface of the dental mirror handle can be used by adding elastic and soft silicone or rubber tube so that the operator can use it comfortably under the pressure of the edge of the handle.

Traction unit 200 is used to pull the oral tissue around the mouth, conventionally there is no configuration for the purpose of traction and pulled around the mouth using the joints of the handle and the mirror, so the oral tissue is caught in the joint Tissues are often damaged or patients complain of pain.

The front surface of the traction part 200 according to the present invention is rounded so that there is no corner angle and the semicircular shape of the width of the connection part with the mirror 300 is almost the same, so that the patient when traction to open the patient's mouth using the dental mirror Not only does it damage the oral tissue of the patient, but it can also relieve pain in the mouth of the patient.

The mirror mounting part 300 is formed to be recessed to attach the mirror. The mirror mounting part 300 is bent to have a predetermined angle with the towing part 200 in one body with the towing part 200 and press-fits the mirror. Mirror mounts can be formed only on the front and on both sides of the front and back for viewing from the back. The mirror mount is formed to attach a flat mirror, a convex mirror, a concave mirror, etc. in a circular or oval shape depending on the purpose of use.

The method of manufacturing a dental mirror having the above characteristics may be integrally formed of metal or plastic, and each part may be processed and fabricated prefabricated.

1. Fabrication of integral dental mirror

Plastic is a generic name for plasticity material, and it is divided into natural resin and synthetic resin as a material or resin product which can be molded by heating or pressing.

Thermoplastic materials include polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), polycarbonate (PC), Acrylomitrile Butadiene Styrene (ABS), Streme Acrylonitrile (SAN), Ultem (PEI) , A resin suitable for the purpose of use can be selected from among methacrylic resins (PMMA). Table 1 shows the physical properties of the thermoplastics.

[Correction under Rule 91 26.10.2011]
Table 1

As an embodiment of the present invention, since the dental mirror should be sterilized in boiling water, the highest heat distortion temperature is selected and a non-toxic polycarbonate (PC) that is harmless to the human body is selected.

PC is generally polyester with carbonate bond formed by condensation reaction between dihydric hydroxy compound and carbonic acid. It has excellent mechanical strength, electrical insulation, transparency, softening temperature of 130 ~ 140 ℃, and high heat resistance. It is also non-toxic and widely used in products such as food containers and milk bottles.

In order to mold the plastic, it must have some fluidity, so the plastic resin must be heated to a glass transition temperature or higher, and the heating device is installed together in the injection machine or the compressor.

Plastic molding method may use a variety of molding methods, such as compression molding, injection molding, extrusion molding depending on the type and product of the plastic resin.

In one embodiment of the present invention, melt injection is performed in an injection molding machine using a PC material which is a thermoplastic resin as an embodiment of the integrated plastic dental mirror.

After preparing the mirror mirror, the traction part and the handle are integrally equipped with a dental mirror mold, the dental mirror mold is mounted on the injection molding machine, the plastic material is injected and molded, and the mirror mounting part is mounted on the mirror. Manufacture.

Another embodiment of the integrated plastic dental mirror according to the present invention is compression molding while heating and pressing using a thermosetting resin PTFE (Ploy Tetra Fluoro Ethylene) material.

PTFE is widely known under the trade name teflon as a thermosetting resin and does not erode any chemicals other than molten alkali metals and hot fluorine gas. Good heat resistance, cold resistance, can be used up to -100 ° C ~ + 260 ° C. The dimensional stability is good, nonflammable, and the coefficient of friction is the lowest among all solids, which is optimal as the pull material of the dental mirror. However, due to poor workability, there is only a method of compression compression and sintering.

In the process of manufacturing a dental mirror using PTFE, a mirror mirror, a traction part, and a handle are prepared in one piece, a mirror mirror, the pressure mirror molding machine is mounted on the dental mirror mold, and a plastic material is injected and compression molded. The mirror is mounted on the mounting part.

2 . Fabrication of Prefabricated Dental Mirrors

In another embodiment of the present invention as a method of manufacturing and assembling each component individually as shown in Figure 2, the towing unit 200, polygonal handle 100 and the handle and tow integrally configured with the mirror mounting unit 300 Long rod members (10, 15, 50) for fixing the portion and the engaging portion (60, 70) of the towing portion.

The cross section of the traction part 200 is rounded so that the front face has no corner angle, and has an elliptical shape having the same width as the mirror mounting part 300, thereby reducing the pain of the patient's mouth when applying a force to open the patient's mouth using the dental mirror. Can be mitigated.

The surface of the handle 100 of the dental mirror is formed in a polygon such as a rectangle or a hexagon, and a through hole 25 into which the long rod member 50 is inserted is formed at the center of the handle cross section.

The advantage of the polygon handle is that the frictional force by the edge angle is increased to prevent the hand from sliding or rotating. In addition, the surface of the dental mirror handle can be used by adding elastic and soft silicone or rubber tube so that the operator can use it comfortably under the pressure of the edge of the handle.

The mirror mounting portion 300 is bent at a predetermined angle with the towing portion and a material such as plastic or stainless as one body with the towing portion 200 and attached on the surface of one end portion or press-fitting the spot where the mirror is attached Put it out and insert it into the mark. Mirror mounting portion 300 is attached to the flat mirror, convex mirror, concave mirror in a circular or oval shape depending on the purpose of use.

A polygonal groove 60 into which the polygonal handle 100 is fitted is formed at a cross section of the other end of the towing unit 200 to which the mirror mounting unit 300 is attached, and a screw of the long rod member 50 is formed at the center of the polygonal groove 60. A female screw 70 into which the 25 is fitted is formed.

One end of the long rod member 50 has a bolt head 10 is formed, the other end is formed with a screw 15 is inserted into the polygonal groove of the towing unit 200, then the long rod member 50 Insert into the through hole 25 of the handle 100 and tighten the bolt head 10 to be fixed. Polygon groove 60 to which the polygon handle 100 is fitted can prevent the loosening of the screw can prevent the appearance of the handle.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

When the dentist opens the patient's mouth and observes the teeth or gums, the dental mirror according to the present invention can alleviate the mouth pain of the patient.

Claims (5)

In the dental dental mirror consisting of a mirror mounting portion for mounting a mirror, a traction unit formed integrally with the mirror mounting portion and a handle connected to the traction unit, The mirror mounting portion and the towing portion is bent to have a predetermined angle to form a single body, In order to relieve the pain of the mouth ball when opening the mouth by the traction part, the cross section of the traction part body is oval and the width of the connecting part of the mirror mounting part and the traction part is formed equally, Pain relief dental mirror, characterized in that the handle is polygonal The method of claim 1, A long rod member having a polygonal head formed at one side thereof and a male screw formed at the other side thereof; A handle having a through hole and a surface having a polygonal cross section so that the long rod member can be inserted therein; A coupling portion of the towing portion to which the handle and the long rod member are inserted and fixed;  The coupling part is a pain relief dental mirror, characterized in that the polygonal groove into which the polygon handle is inserted and the female thread is coupled to the male screw of the long rod member formed on the inner peripheral surface of the polygonal groove. The pain-relieving dental mirror of claim 1, wherein the mirror is attached to the front or both surfaces by processing one of a flat mirror, a convex mirror, or a concave mirror in a circular or oval shape.  A method of manufacturing the dental mirror of claim 1, Preparing a mirror mirror, the pull unit and the handle is integrally equipped with a dental mirror mold, mounting the dental mirror mold in a molding machine and injecting a plastic material for molding and mounting a mirror in the mirror mount, The molding machine uses an injection molding machine, and the plastic material is a method of manufacturing a dental mirror, characterized in that using a polycarbonate (polycarbonate) that is a thermoplastic resin. The method of claim 4, wherein A pressurized compression molding machine is used instead of the injection molding machine, and the plastic material is a thermoplastic mirror manufacturing method using a thermosetting resin PTFE (Ploy Tetra Fluoro Ethylene) instead of a thermoplastic resin.

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