JP2014117487A - Simple drill holder for dental dowel pin drilling - Google Patents

Simple drill holder for dental dowel pin drilling Download PDF

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JP2014117487A
JP2014117487A JP2012275262A JP2012275262A JP2014117487A JP 2014117487 A JP2014117487 A JP 2014117487A JP 2012275262 A JP2012275262 A JP 2012275262A JP 2012275262 A JP2012275262 A JP 2012275262A JP 2014117487 A JP2014117487 A JP 2014117487A
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drill
dental
dowel pin
belt
drilling
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JP5628887B2 (en
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Yoshitaka Miyoshi
由高 三善
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Abstract

PROBLEM TO BE SOLVED: To solve the following problems: when a conventional dowel pin drill is used, plaster powder is scattered during drilling, causing a failure of the machine due to powder clogging and occupation of place by the out-of-order machine, and drilling holes for planting dowel pins accurately is difficult if a dental technician is unskilled in the drilling operation.SOLUTION: A simple drill holder for dental dowel pin drilling according to the present invention enables a dental technician or a dentist to surely drill a hole with a desired depth for planting a dental dowel pin on a relevant rear face of a test piece or a plaster model, without requiring skilled technique. In addition, when a hole for a dental dowel pin is drilled in a plaster-made test piece or the like by a drill attached to a dental handpiece, fingers are protected by a curvingly rising protective plate made of a rigid material, ensuring that drilling is carried out with security. Also the simple drill holder itself is not clogged by cutting dusts and is marketable more competitively than conventional products.

Description

本発明は歯科技工士、歯科医が歯科用ハンドピースにドリルを装着して義歯石膏模型等の該当する裏面にダウエルピンを植立するために、予め試験的にテストピースに所定深さの穿孔を容易に形成できる歯科用ダウエルピンを植立するための穿孔が簡易かつ容易にできるドリルホルダーに関する。   In the present invention, a dental technician or dentist attaches a drill to a dental handpiece to plant a dowel pin on the corresponding back surface of a denture plaster model or the like. The present invention relates to a drill holder capable of easily and easily perforating a dental dowel pin that can be easily formed.

従来のダウエルピンを使用して義歯石膏模型の該当する義歯該当部位裏面に植立穴を形成することは高価なダウエルピン穿孔機(商品名：ホローネＳ等)を使用しない限り、義歯石膏模型の該当する位置に正しくダウエルピンを植立するための穿孔は高度の技術を要し困難であった。   Using a conventional dowel pin to form a planting hole on the back of the corresponding denture part of the denture plaster model is applicable to the denture plaster model unless an expensive dowel pin drilling machine (product name: Holrone S, etc.) is used. Drilling to plant dowel pins correctly in position is difficult and requires advanced techniques.

また、図９に示すように、歯科用ハンドピースＡにドリルＢを装着して義歯石膏模型Ｃの該当する裏面に歯科用ダウエルピンＥを植立する場合、垂直方向に孔あけをする作業及び所定の深さの孔を形成することが困難であり、斜めに歯科用ダウエルピンＥを植立することにより、顎骨等に過度の負担をかけることになる。   In addition, as shown in FIG. 9, when a dental handpiece A is mounted with a drill B and a dental dowel pin E is planted on the corresponding back surface of the denture plaster model C, drilling in the vertical direction and predetermined It is difficult to form a hole with a depth of 5 mm, and by implanting the dental dowel pin E obliquely, an excessive burden is placed on the jawbone and the like.

インターネット検索「ダウエルピン植立穿孔機：ＨＳ−3000ホローネＳ」参照Refer to internet search "Dowel pin planting machine: HS-3000 Horone S"

特開２００７−２５３３１５JP2007-253315

上記非特許文献１においては、ダウエルピン穿孔機(商品名：ホローネＳ)は該穿孔機のテーブルに穿設した穴を通して下からドリルが上昇して義歯石膏模型の該当する義歯該当部位裏面に植立用穴を穿設するために、テーブルの周辺の穴や穿孔機の隙間に石膏粉末が飛散して粉末詰まり等により故障の原因となっていた。また、上記ダウエルピン穿孔機は、立体的な空間スペースをとるために、狭い作業空間において場所を占有するなどの不都合な点も有していた。   In the non-patent document 1, the dowel pin drilling machine (trade name: Holrone S) is planted on the back side of the corresponding denture part of the denture plaster model by the drill rising from below through the hole drilled in the table of the drilling machine. In order to puncture the holes, the gypsum powder is scattered in the holes around the table and the gaps of the drilling machine, which causes a failure due to powder clogging. Further, the dowel pin punch has a disadvantage in that it takes up space in a narrow work space in order to take a three-dimensional space.

また、特許文献１の発明においては、歯科技工士が歯科用ハンドピースにドリルを装着した後は、該ハンドピースは３６０度上下左右のどの方向にも手で持って自由に操作できるために、ハンドピースのドリル操作に熟練していない場合は、斜めに穿孔が形成されたり、深さも深すぎたり、浅過ぎたりして、ダウエルピン植立用の孔を正確に形成することが困難であった。   In addition, in the invention of Patent Document 1, after a dental technician attaches a drill to a dental handpiece, the handpiece can be freely operated by hand in any direction of 360 degrees up and down, left and right, If you are not skilled in drilling handpieces, it was difficult to accurately form holes for planting dowel pins because they were drilled diagonally, too deep, or too shallow. .

本発明は上記の点に鑑み、歯科技工士、歯科医がモーター駆動の歯科用ハンドピースを利用して熟練を要することなく、該歯科用ハンドピースの先端部にドリルを装着してテストピースや石膏模型の該当する裏面に歯科用ダウエルピンを植立するための穿設孔を簡単かつ容易に所望する深さで確実に穿設できる歯科用ダウエルピン穿孔用の簡易ドリルホルダーを提供することにある。   The present invention has been made in view of the above points, and a dental technician or dentist uses a motor-driven dental handpiece and does not require any skill. It is an object of the present invention to provide a simple drill holder for drilling a dental dowel pin that can easily and easily drill a hole for planting a dental dowel pin on a corresponding back surface of a plaster model at a desired depth.

請求項１に係る発明は、垂直に起立する剛性材からなる帯状垂直板と、該帯状垂直板の下端から水平方向の片側に延びる剛性材からなる水平な帯状平板基板と、前記帯状垂直板の下端から帯状平板基板の長手方向に向けて形成したドリル通過孔と、前記帯状垂直板の中央上部から該帯状平板基板に対し平行で対向する二本のアーム部と、該アーム部に挟持され、ハンドピースのドリルが垂直下方に案内されて垂下する穴を穿設したドリルガイドと、該帯状平板基板上のドリルガイド近傍位置に設けた剛性材からなる指の防護板、とを備えたことを特徴とする歯科用ダウエルピン穿孔用の簡易ドリルホルダーである。   The invention according to claim 1 is a belt-like vertical plate made of a rigid material standing upright, a horizontal belt-like flat plate substrate made of a rigid material extending from the lower end of the belt-like vertical plate to one side in the horizontal direction, and the belt-like vertical plate A drill passage hole formed from the lower end toward the longitudinal direction of the belt-like flat plate substrate, two arm portions facing in parallel to the belt-like flat plate substrate from the central upper portion of the belt-like vertical plate, and sandwiched between the arm portions, A drill guide in which a drill of a handpiece is guided vertically downward and has a hole to hang, and a finger guard plate made of a rigid material provided in the vicinity of the drill guide on the belt-like flat plate substrate. This is a simple drill holder for drilling dental dowel pins.

請求項２に係る発明は、前記請求項１における対向する二本のアーム部の両側には、断面コ字型形状の両裾部が回動自在に枢着され、該断面コ字型形状の天頂部の中央部位には前記ドリルが通過する開口部を形成するとともに、回動自在に枢着された断面コ字型形状の天頂部が起立状態においてハンドピースのドリルにて穿設する穴の深さを決める位置決め具であり、該位置決め具の不使用時には上記剛性材からなる指の防護板の表面で支持することを特徴とする歯科用ダウエルピン穿孔用の簡易ドリルホルダーである。   In the invention according to claim 2, both hem parts having a U-shaped cross section are pivotally attached to both sides of the two opposing arm parts in the first aspect, and the U-shaped cross-section is An opening through which the drill passes is formed at the central portion of the zenith, and a hole that is drilled by the handpiece drill in a standing state with the zenith having a U-shaped section pivotably attached to the top. It is a positioning tool for determining a depth, and is a simple drill holder for drilling a dental dowel pin, characterized in that it is supported by the surface of a finger protection plate made of the rigid material when the positioning tool is not used.

本発明に係る歯科用ダウエルピン穿孔用の簡易ドリルホルダーは全体が手のひらに乗る程度の大きさで、その重量も例えば５０グラム未満というコンパクトで軽量化されているので、作業スペースをとらずに済み、歯科技工士や歯科医が予め石膏で作られたテストピースでダウエルピンの植立深さを決定する時に、色々と深さを変えながら最適の深さを植立状態で確実に決めることができる。その結果、患者の義歯石膏模型の裏面の平坦面に、本発明に係る歯科用ダウエルピン穿孔用の簡易ドリルホルダーの帯状平板基板を当椄した状態で歯科用ハンドピースに装着したドリルを用いて義歯石膏模型の裏面の所定位置にダウエルピン植立用の孔の深さ及び垂直方向に正確かつ確実に穿設することができる。   The simple drill holder for drilling a dental dowel pin according to the present invention is of a size that can be put on the palm as a whole, and its weight is, for example, less than 50 grams and is compact and lightweight, so it does not take up a work space, When a dental technician or dentist determines the dowel pin planting depth with a test piece made of plaster in advance, the optimum depth can be reliably determined in the planted state while changing the depth. As a result, a denture using a drill mounted on a dental handpiece in a state where the flat plate of the back surface of a patient's denture plaster model is in contact with the belt-like flat plate substrate of a simple drill holder for drilling a dental dowel pin according to the present invention It is possible to accurately and reliably drill the dowel pin planting hole at a predetermined position on the back surface of the plaster model in the depth and vertical direction.

さらに、本発明に係る歯科用ダウエルピン穿孔用の簡易ドリルホルダーは、歯科用ハンドピースを例えば右手に持って石膏で作られたテストピース等に歯科用ダウエルピン用の孔を穿設する時に、前記簡易ドリルホルダーを左指で固定する時にその左指は彎曲状に立ち上がる剛性材からなる防護板で保護されるために、安心して穿設作業を行うことができ、前記簡易ドリルホルダー自体に切削粉による目詰まりも発生しないし、従来製品に比べ安価に市場に提供できる。   Furthermore, the simple drill holder for drilling a dental dowel pin according to the present invention is a simple drill holder for drilling a hole for a dental dowel pin in a test piece made of gypsum with the dental handpiece in the right hand, for example. When the drill holder is fixed with the left finger, the left finger is protected by a protective plate made of a rigid material that rises in a curved shape, so that the drilling operation can be performed with peace of mind. Clogging does not occur, and it can be offered to the market at a lower cost than conventional products.

また、本発明は、対向する二本のアーム部の両側には、断面コ字型形状の両裾部が回動自在に枢着され、該断面コ字型形状の天頂部の中央部位には前記ドリルが通過する開口部を形成するとともに回動自在に枢着された断面コ字型形状の天頂部が起立状態において歯科用ハンドピースのドリルにて穿設する穴の深さを決める位置決め具であり、該位置決め具の不使用時には上記彎曲状に立ち上がる剛性材からなる指の防護板の表面に当接する構成であるので、穿設する穴の深さをいちいち調整する必要が無く、確実に植立状態で同じ深さのダウエルピン孔を正確に穿設することができる。   Further, according to the present invention, both hems having a U-shaped cross section are pivotally attached to both sides of the two opposing arm parts, and the central part of the zenith part having the U-shaped cross section is pivotally mounted. A positioning tool that forms an opening through which the drill passes and determines the depth of a hole to be drilled by the drill of the dental handpiece when the zenith portion having a U-shaped cross-section pivotably mounted is standing. Since the structure is in contact with the surface of the finger protection plate made of a rigid material that rises in a curved shape when the positioning tool is not used, there is no need to adjust the depth of the hole to be drilled. The dowel pin hole of the same depth can be precisely drilled in the planted state.

本発明の１実施例を示す歯科用ダウエルピン穿孔用の簡易ドリルホルダーの斜視図を示し、上方に歯科用ハンドピースを、下方に孔開け用のドリル及び歯科用義歯石膏模型を配置した状態を示す。The perspective view of the simple drill holder for dental dowel pin drilling which shows one Example of this invention is shown, The state which has arrange | positioned the dental handpiece above and the drill for drilling, and the dental denture plaster model below is shown. . 本発明の１実施例を示す歯科用ダウエルピン穿孔用の簡易ドリルホルダーの斜視図を示し、上方の歯科用ハンドピースに装着したドリルで下方の歯科用義歯石膏模型にダウエルピン植設用の孔を穿設する状態を示す。1 shows a perspective view of a simple drill holder for drilling dental dowel pins according to an embodiment of the present invention, and drills holes for planting dowel pins in a lower dental denture plaster model with a drill mounted on an upper dental handpiece. FIG. The state to install is shown. 本発明の１実施例を示す歯科用ダウエルピン穿孔用の簡易ドリルホルダーの正面図を示し、歯科用ハンドピースに下方から本発明に係る簡易ドリルホルダーを通して該歯科用ハンドピースの先端部に挿し込んだドリルを歯科用ハンドピースのレバーで固定した状態を示す。The front view of the simple drill holder for dental dowel pin drilling which shows one Example of this invention is shown, It inserted in the front-end | tip part of this dental handpiece from the downward direction through the simple drill holder which concerns on this invention The state which fixed the drill with the lever of the dental handpiece is shown. 本発明の１実施例を示す歯科用ダウエルピン穿孔用の簡易ドリルホルダーの斜視図を示し、歯科用ハンドピースに下方から本発明に係る簡易ドリルホルダーを通して該歯科用ハンドピースの先端部に挿し込んだドリルを歯科用ハンドピースのレバーで固定した後、該ドリルで歯科用義歯石膏模型の裏面の所定箇所に歯科用ダウエルピンを植設する孔を穿設する状態を示す。The perspective view of the simple drill holder for dental dowel pin drilling which shows one Example of this invention is shown, It inserted in the front-end | tip part of this dental handpiece from the downward direction through the simple drill holder which concerns on this invention to a dental handpiece. After the drill is fixed with the lever of the dental handpiece, a state is shown in which a hole for implanting a dental dowel pin is drilled at a predetermined position on the back surface of the dental denture plaster model with the drill. 本発明の他の実施例を示す歯科用ダウエルピン穿孔用の簡易ドリルホルダーの斜視図を示し、上方に歯科用ハンドピースを、下方に孔開け用のドリル及び歯科用義歯石膏模型をそれぞれ配置した状態を示す。The perspective view of the simple drill holder for dental dowel pin drilling which shows the other Example of this invention is shown, The state which has arrange | positioned the dental handpiece in the upper direction, the drill for drilling, and the dental denture plaster model in the downward direction, respectively Indicates.

本発明の他の実施例を示す斜視図であり、上方に位置する歯科用ハンドピースに装着したドリルで歯科用義歯石膏模型に歯科用ダウエルピンを植設する孔を開けている状態を示す。It is a perspective view which shows the other Example of this invention, and shows the state which has opened the hole which implants a dental dowel pin in a dental denture plaster model with the drill with which the dental handpiece located in the upper direction was mounted | worn. 本発明の他の実施例を示す正面図であり、歯科用ダウエルピンを植設する孔の深さを一定とするために使用する回動自在な位置決め具を起立させた状態を示す。It is a front view which shows the other Example of this invention, and shows the state which stood up the rotatable positioning tool used in order to make constant the depth of the hole which implants a dental dowel pin. 歯科用義歯石膏模型に歯科用ダウエルピンを植設した状態を示す斜視図である。It is a perspective view which shows the state which implanted the dental dowel pin in the dental denture plaster model. 歯科用ハンドピースにドリルを装着して直接、歯科用義歯石膏模型に歯科用ダウエルピンを植設する孔を開けている従来例を示す斜視図である。It is a perspective view which shows the prior art example which opened the hole which installs a dental dowel pin in a dental denture plaster model directly by mounting | wearing a dental handpiece with a drill.

以下、本発明の一実施例を図面に基づいて説明する。
１は垂直に起立するステンレス鋼等の剛性材からなる帯状垂直板で、そのサイズは特に限定されないが本例では例えば幅２６ｍｍ、高さ２０ｍｍとした場合を示す。
要は剛性材料の板材で防錆効果があり、かつ小型で軽量であればよい。２は水平な帯状平板基板である。この水平な帯状平板基板２は、帯状垂直板１の下端から水平方向の片側に延びるステンレス鋼等の剛性材からなる水平な帯状平板基板である。本例では、ステンレス鋼の帯板を折り曲げ加工して一体に形成した場合を示したが、別途帯板を溶接や接着加工等により得たものでも良い。要は、帯状垂直板１の高さは後述する歯科用ダウエルピンＥを歯科用義歯テストピースあるいは歯科用石膏義歯模型Ｃの裏面平坦部の所定位置で垂直方向に植設できる深さに形成されていればよい。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
Reference numeral 1 denotes a belt-like vertical plate made of a rigid material such as stainless steel standing upright, and the size thereof is not particularly limited, but in this example, for example, the width is 26 mm and the height is 20 mm.
In short, it is only necessary to use a rigid plate material that has a rust-proofing effect, and is small and light. Reference numeral 2 denotes a horizontal strip-shaped flat substrate. The horizontal belt-like flat plate substrate 2 is a horizontal belt-like flat plate substrate made of a rigid material such as stainless steel extending from the lower end of the belt-like vertical plate 1 to one side in the horizontal direction. In this example, the case where the stainless steel strip is integrally formed by bending is shown, but a separate strip may be obtained by welding or bonding. In short, the height of the belt-like vertical plate 1 is formed so that a dental dowel pin E, which will be described later, can be implanted in a vertical direction at a predetermined position on the back flat portion of a dental denture test piece or a dental plaster denture model C. Just do it.

３は帯状垂直板１の下端から帯状平板基板２の長手方向に向けて形成したドリル通過孔である。本例では幅１３ｍｍで長手方向に１５ｍｍの角型の形状のドリル通過孔３の場合を示したが、この角型形状に限定されるものではなく、円形その他の形状であっても良い。要はドリルＢがスムーズに通過できる孔形状で有ればよい。   Reference numeral 3 denotes a drill passage hole formed from the lower end of the belt-like vertical plate 1 toward the longitudinal direction of the belt-like flat plate substrate 2. In this example, the case of the drill passage hole 3 having a square shape with a width of 13 mm and a length of 15 mm is shown. However, the shape is not limited to this square shape, and may be a circle or other shapes. In short, it is sufficient that the drill B has a hole shape through which it can pass smoothly.

４は帯状垂直板１の中央上部から帯状平板基板２に対し平行となるように前方に突出形成した対向する二本のアーム部である。この対向する二本のアーム部４は、本例では平面コ字型形状をしており、帯状垂直板１の中央上部壁面に平面コ字型形状を帯状垂直板１の裏面からボルト・ナット５で固定した場合を示す。６は対向する二本のアーム部４の先端部内側に挟持されたドリルガイドである。ドリルガイド６は、例えば電導モーター駆動の歯科用ハンドピースＡのドリルＢを垂直下方に案内するために垂直方向に穿設した孔６ａを備えている。なお、歯科用ハンドピースＡの回転駆動手段は歯科用義歯のテストピース又は歯科用石膏義歯模型Ｃに歯科用ダウエルピンＥを植設する歯科用ダウエルピン用孔Ｄを穿設できる能力を有すれば電導モーター駆動に限定されない。   Reference numeral 4 denotes two opposing arm portions which are formed so as to protrude forward from the central upper portion of the belt-like vertical plate 1 so as to be parallel to the belt-like flat plate substrate 2. The two arm portions 4 facing each other have a planar U-shape in this example, and a flat U-shape is formed on the central upper wall surface of the belt-like vertical plate 1 from the back surface of the belt-like vertical plate 1 with bolts and nuts 5. The case of fixing with is shown. Reference numeral 6 denotes a drill guide that is sandwiched between the inner ends of the two opposing arm portions 4. The drill guide 6 includes, for example, a hole 6a drilled in the vertical direction in order to guide the drill B of the dental handpiece A driven by a conductive motor vertically downward. It should be noted that the rotation driving means of the dental handpiece A is conductive if it has the ability to drill a dental dowel pin hole D for implanting a dental dowel pin E in a dental denture test piece or a dental plaster denture model C. It is not limited to motor drive.

７は水平な帯状平板基板２上のドリルガイド６の近傍位置に設置した彎曲状に立ち上がる剛性板材からなる指の防護板である。指の防護板７は、水平な帯状平板基板２と同じ幅に形成されており、基部が水平な帯状平板基板２に接着剤や溶接等を介して固定され、ドリル通過孔３に向って徐々に彎曲上に立ち上がり斜め上方に向け、その終端はドリルガイド６の天面より若干低い高さに形成されている。しかし、指の防護板７の上部の高さがどの位置までかは左程重要なことではなく、要は指の防護板７に指を差し込むに支障のない開き角を有し、かつ防護板７に差し込んだ指で本器具を押えている時の歯科用ハンドピースＡによるドリルＢ作業中に安全に作業できることが肝要である。   Reference numeral 7 denotes a finger protection plate made of a rigid plate material that rises in a curved shape and is installed near the drill guide 6 on the horizontal belt-like flat plate substrate 2. The finger protection plate 7 is formed to have the same width as the horizontal belt-like flat plate substrate 2, and the base is fixed to the horizontal belt-like flat plate substrate 2 via an adhesive or welding, and gradually toward the drill passage hole 3. The end of the drill guide 6 is formed at a height slightly lower than the top surface of the drill guide 6. However, the position of the height of the upper part of the finger protection plate 7 is not as important as the left side. In short, it has an opening angle that does not interfere with the insertion of the finger into the finger protection plate 7 and the protection plate. It is important to be able to work safely during the drill B work by the dental handpiece A when the instrument is pressed with the finger inserted into 7.

次に、実施例１の使用法について、図１〜図４に基づいて説明する。
図１に示す歯科用ハンドピースＡの垂直方向に位置しているレバーａをレバーａ´の位置まで横に倒してドリルＢを把持する部分（図示せず）を緩める。
ドリルＢは図１及び図２に示すように、本発明に係る簡易ドリルホルダーの下方に位置する中心線上に位置させる。次に、そのドリルＢを前記中心線上に沿って上昇させ、ドリルＢの上端部をドリル通過孔３及びドリルガイド６の垂直方向に穿設した孔６ａを通過させ、歯科用ハンドピースＡの下端部内に形成したドリル差し込み部（図示せず）の奥まで挿し込んだ状態でレバーａを起立状態に復帰させることによりドリルＢが歯科用ハンドピースＡに把持固定される。次に、図３に示すように、歯科用ハンドピースＡを片方の手で持ちながらドリルガイド（図示せず）に沿って徐々に下げて行く。 Next, the usage method of Example 1 is demonstrated based on FIGS.
The portion (not shown) for gripping the drill B is loosened by moving the lever a positioned in the vertical direction of the dental handpiece A shown in FIG. 1 sideways to the position of the lever a ′.
As shown in FIGS. 1 and 2, the drill B is positioned on a center line located below the simple drill holder according to the present invention. Next, the drill B is raised along the center line, and the upper end of the drill B is passed through the hole 6a formed in the vertical direction of the drill passage hole 3 and the drill guide 6, and the lower end of the dental handpiece A is passed. The drill B is gripped and fixed to the dental handpiece A by returning the lever a to an upright state in a state where it is inserted to the back of a drill insertion portion (not shown) formed in the portion. Next, as shown in FIG. 3, the dental handpiece A is gradually lowered along a drill guide (not shown) while holding the dental handpiece A with one hand.

図４に示すように、水平な帯状平板基板２の裏面に歯科用石膏義歯模型Ｃの裏面の平坦面を当接させる。予め、歯科用石膏義歯模型Ｃの裏面の平坦面の所望穿設箇所にマーク（図示せず）をしておき、そのマークした箇所で歯科用ハンドピースＡをもう片方の手で押し下げると、所望の深さの歯科用ダウエルピン用孔Ｄが穿設される。この作業中、本発明に係る簡易ドリルホルダーを押えている指は防護板７に挿し込んだ状態で押さえているために、ドリルＢの穿設作業中に指が危険に曝されることはなく安全に穿設作業を行うことができる。特に、ドリルＢはドリルガイド６の垂直方向に穿設した孔６ａに案内されて垂直方向に降下するので、この点からも安全であり、歯科用ダウエルピン用孔Ｄが確実な位置に所望する深さに穿設される。   As shown in FIG. 4, the flat surface of the back surface of the dental plaster denture model C is brought into contact with the back surface of the horizontal belt-like flat plate substrate 2. A mark (not shown) is marked in advance on the desired flat portion on the back surface of the dental plaster denture model C, and the dental handpiece A is pushed down with the other hand at the marked location. A dental dowel pin hole D having a depth of 5 mm is formed. During this operation, the finger holding the simple drill holder according to the present invention is pressed in a state of being inserted into the protective plate 7, so that the finger is not exposed to danger during the drilling operation of the drill B. The drilling operation can be performed safely. In particular, since the drill B is guided by the hole 6a drilled in the vertical direction of the drill guide 6 and descends in the vertical direction, it is safe from this point, and the dental dowel pin hole D has a desired depth at a certain position. It is drilled.

次に、実施例２の使用法について、図５に基づいて説明する。
基本的な構成は実施例１と同一である。相違点は、実施例１において、歯科用ダウエルピンＥの歯科用ダウエルピン用孔Ｄの深さを常時、一定の深さとすることができる構成とした点である。すなわち、対向する二本のアーム部４の両側には、断面コ字型形状８の両裾部が回動自在に枢着される。
その断面コ字型形状８の天頂部の中央部位にはドリルＢが通過する開口部９を形成するとともに、回動自在に枢着された断面コ字型形状８の天頂部が起立状態において歯科用ハンドピースＡのドリルＢにて穿設する穴の深さを一定にする位置決め具１０である。穴の深さを一定にする位置決め具１０の不使用時には上記彎曲状に立ち上がる剛性材からなる指の防護板７の表面で支持させておく。 Next, the usage method of Example 2 is demonstrated based on FIG.
The basic configuration is the same as that of the first embodiment. The difference is that in the first embodiment, the depth of the dental dowel pin hole D of the dental dowel pin E can be set to a constant depth at all times. That is, both hem parts of the U-shaped cross section 8 are pivotally attached to both sides of the two opposing arm parts 4.
An opening 9 through which the drill B passes is formed at the central portion of the zenith portion of the U-shaped section 8, and the zenith section of the U-shaped section 8 pivotally attached to the zenith is in a standing state. It is the positioning tool 10 which makes the depth of the hole drilled with the drill B of the handpiece A for work constant. When the positioning tool 10 that keeps the depth of the hole constant is not used, it is supported by the surface of the finger protection plate 7 made of a rigid material that rises in a curved shape.

実施例２の構成上の相違する点の作用について図５〜図７に基づいて説明する。
図５に示すように、孔の深さを一定にする位置決め具１０の不使用の時は、穴の深さを一定にする位置決め具１０を起立状態から横方向に倒して先端の下部を指の防護板７で支持させておく。図６は孔の深さを一定にする位置決め具１０が不使用の時の場合を示し、その場合の作業要領は実施例１と同様である。
図７は孔の深さを一定にする位置決め具１０を起立状態にした場合を示す。この起立状態の場合は、歯科用ハンドピースＡをドリルガイド６に沿って垂直に下げて行くと歯科用ハンドピースＡの下端部が孔の深さを一定にする位置決め具１０の天面で支持した時に、歯科用ダウエルピン用孔Ｄの深さが常に一定の深さとなる。これにより、熟練を要することなく歯科技工士、歯科医は正確で安定した歯科用ダウエルピン用孔Ｄを垂直方向に正確に形成できる。 The operation of the difference in configuration of the second embodiment will be described with reference to FIGS.
As shown in FIG. 5, when the positioning tool 10 that keeps the hole depth constant is not used, the positioning tool 10 that keeps the hole depth constant is tilted laterally from the upright position to point the lower end of the tip. The protective plate 7 is used for supporting. FIG. 6 shows a case where the positioning tool 10 for making the hole depth constant is not used, and the operation procedure in this case is the same as that of the first embodiment.
FIG. 7 shows a case where the positioning tool 10 that keeps the hole depth constant is in an upright state. In this standing state, when the dental handpiece A is lowered vertically along the drill guide 6, the lower end of the dental handpiece A is supported by the top surface of the positioning tool 10 that makes the hole depth constant. In this case, the depth of the dental dowel pin hole D is always constant. Accordingly, a dental technician and a dentist can accurately and accurately form the dental dowel pin hole D in the vertical direction without requiring skill.

本発明は、歯科医療分野において、市販の大型装置に比べ安価で、確実で正確な歯科用ダウエルピン用孔を垂直方向に正確に形成できるので、歯科医療分野における各種の産業に多大の貢献をすることができる。   In the field of dentistry, the present invention is cheaper than a commercially available large-sized device, and can accurately and accurately form a hole for a dental dowel pin in the vertical direction, thus greatly contributing to various industries in the field of dentistry. be able to.

１ 帯状垂直板
２ 水平な帯状平板基板
３ ドリル通過孔
４ 対向する二本のアーム部
５ ボルト・ナット
６ ドリルガイド
６ａ 垂直方向に穿設した孔
７ 指の防護板
８ 断面コ字型形状
９ 開口部
１０ 孔の深さを一定にする位置決め具
Ａ 歯科用ハンドピ−ス
ａ，ａ´ レバー
Ｂ ドリル
Ｃ 歯科用石膏義歯模型
Ｄ 歯科用ダウエルピン用孔
Ｅ 歯科用ダウエルピン DESCRIPTION OF SYMBOLS 1 Strip | belt-shaped vertical board 2 Horizontal strip | belt-shaped flat board 3 Drill passage hole 4 Two arm parts which oppose 5 Bolt | nut | nut 6 Drill guide 6a The hole drilled in the perpendicular direction 7 Finger guard plate 8 U-shaped cross section 9 Opening Part 10 Positioning tool A for making the hole depth constant Dental hand piece a, a 'Lever B Drill C Dental plaster denture model D Dental dowel pin hole E Dental dowel pin

Claims (2)

垂直に起立する剛性材からなる帯状垂直板と、該帯状垂直板の下端から水平方向の片側に延びる剛性材からなる水平な帯状平板基板と、前記帯状垂直板の下端から帯状平板基板の長手方向に向けて形成したドリル通過孔と、前記帯状垂直板の中央上部から該帯状平板基板に対し平行で対向する二本のアーム部と、該アーム部に挟持され、ハンドピースのドリルが垂直下方に案内されて垂下する穴を穿設したドリルガイドと、該帯状平板基板上のドリルガイド近傍位置に設けた剛性材からなる指の防護板、とを備えたことを特徴とする歯科用ダウエルピン穿孔用の簡易ドリルホルダー。   A belt-like vertical plate made of a rigid material standing vertically, a horizontal belt-like flat plate substrate made of a rigid material extending from one lower end of the belt-like vertical plate to one side in the horizontal direction, and a longitudinal direction of the belt-like flat plate substrate from the lower end of the belt-like vertical plate A drill passage hole formed toward the center, two arm portions facing in parallel to the belt-like flat plate substrate from the upper center of the belt-like vertical plate, and the arm piece being sandwiched between the arm portions, and the drill of the handpiece vertically downward For drilling a dental dowel pin, comprising: a drill guide having a guided and penetrating hole; and a finger guard plate made of a rigid material provided in the vicinity of the drill guide on the belt-like flat plate substrate. Simple drill holder. 対向する二本のアーム部の両側には、断面コ字型形状の両裾部が回動自在に枢着され、該断面コ字型形状の天頂部の中央部位には前記ドリルが通過する開口部を形成するとともに、回動自在に枢着された断面コ字型形状の天頂部が起立状態においてハンドピースのドリルにて穿設する穴の深さを決める位置決め具であり、該位置決め具の不使用時には上記剛性材からなる指の防護板の表面で支持することを特徴とする請求項１記載の歯科用ダウエルピン穿孔用の簡易ドリルホルダー。


Both hems having a U-shaped cross section are pivotally attached to both sides of the two opposing arm parts, and an opening through which the drill passes is provided at the central portion of the zenith of the U-shaped cross section. A positioning tool that determines the depth of a hole that is drilled by a handpiece drill when the zenith section that is pivotally attached to the section and that is pivotally mounted is standing. 2. A simple drill holder for drilling a dental dowel pin according to claim 1, wherein said drill holder is supported by the surface of a finger protection plate made of said rigid material when not in use.


JP2012275262A 2012-12-18 2012-12-18 Simple drill holder for dental dowel pin drilling Expired - Fee Related JP5628887B2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3034595U (en) * 1995-07-04 1997-02-25 政明 下坂 Drilling jig to be attached to a dental lab handpiece
JP2005205141A (en) * 2004-01-23 2005-08-04 Toyo Kobayashi Dowel pin planting aid for dental technique
JP2007253315A (en) * 2006-03-20 2007-10-04 Daisuke Kachi Drill adapter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3034595U (en) * 1995-07-04 1997-02-25 政明 下坂 Drilling jig to be attached to a dental lab handpiece
JP2005205141A (en) * 2004-01-23 2005-08-04 Toyo Kobayashi Dowel pin planting aid for dental technique
JP2007253315A (en) * 2006-03-20 2007-10-04 Daisuke Kachi Drill adapter

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