JPH0710736Y2 - Dental root canal instrument holder - Google Patents
Dental root canal instrument holderInfo
- Publication number
- JPH0710736Y2 JPH0710736Y2 JP1991088890U JP8889091U JPH0710736Y2 JP H0710736 Y2 JPH0710736 Y2 JP H0710736Y2 JP 1991088890 U JP1991088890 U JP 1991088890U JP 8889091 U JP8889091 U JP 8889091U JP H0710736 Y2 JPH0710736 Y2 JP H0710736Y2
- Authority
- JP
- Japan
- Prior art keywords
- root canal
- conductor
- tip
- cylindrical body
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案はリーマ、ファイル等の歯
科用根管治療器具を挟持して保持するための歯科用根管
器具ホルダーに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental root canal instrument holder for holding and holding a dental root canal treatment instrument such as a reamer and a file.
【０００２】[0002]
【従来の技術】いわゆるＩＣクリップ型の歯科用根管器
具ホルダーは実開昭５２−１６０２９３号により公知で
ある。歯根管の長さ測定装置における挿入針保持用クリ
ップとして提案された上記実開の考案は、図４に示す通
り、基部側に大径筒体部２２を形成すると共に先端側に
小径筒体部２３を形成した絶縁性の筒体２１内に、電気
回路（図示せず）と電線２４により接続される導体２５
を遊嵌し、該導体２５の先端部を上記小径筒体部より突
出させて鉤状部２７を設けると共に該導体の中間部に段
部２６を設け、さらに該段部２６と小径筒体部２３との
間にばね３０を介在させ、上記の大径筒体部２２に摺動
可能に結合された作動筒体３１に上記導体２５の基部２
８を固着したものである。2. Description of the Related Art A so-called IC clip type dental root canal instrument holder is known from Japanese Utility Model Publication No. 52-160293. As shown in FIG. 4, the invention of the actual opening proposed as a clip for holding an insertion needle in a root canal length measuring device has a large-diameter cylindrical portion 22 formed on the base side and a small-diameter cylindrical portion on the distal side, as shown in FIG. A conductor 25, which is connected to an electric circuit (not shown) by an electric wire 24, in an insulating cylindrical body 21 in which 23 is formed.
Is loosely fitted, the tip of the conductor 25 is projected from the small-diameter cylindrical body portion to provide a hook-shaped portion 27, and a step portion 26 is provided in the intermediate portion of the conductor. Further, the step portion 26 and the small-diameter cylindrical body portion are provided. A spring 30 is provided between the base member 2 of the conductor 25 and an actuating cylinder 31 slidably coupled to the large-diameter cylindrical body portion 22.
8 is fixed.
【０００３】上記ばね３０は導体２５の先端の鉤状部２
７が小径筒体部２３の先端面２３ａに当接するように導
体２５に弾性力を及ぼしている。なお２９は導体２５と
電線２４の導線との半田付け接続部である。リーマ或い
はファイル等の針状の根管器具１は上記の導体２５の先
端の鉤状部２７と小径筒体部２３の先端面２３ａとの間
に挟持される。２は根管器具の絶縁材より成る頭部であ
る。The spring 30 has a hooked portion 2 at the tip of the conductor 25.
The elastic force is exerted on the conductor 25 so that 7 contacts the tip surface 23a of the small-diameter tubular portion 23. Reference numeral 29 is a soldering connection portion between the conductor 25 and the conductor wire of the electric wire 24. The needle-shaped root canal device 1, such as a reamer or a file, is sandwiched between the hook-shaped portion 27 at the tip of the conductor 25 and the tip surface 23a of the small-diameter tubular portion 23. Reference numeral 2 is a head made of an insulating material for a root canal device.
【０００４】上記の根管器具ホルダーの導体２５は電気
回路の正極側に接続されている。導体の先端の鉤状部に
接触し、保持されたリーマ等の根管器具が生体歯の歯根
管に挿入され、挿入された根管器具の先端が根尖に達し
たときに、根管器具と口腔内に差し込まれている負電極
との間に所定値の電流が流れるので、このときの根管器
具の挿入長により根管長を測定している。The conductor 25 of the root canal instrument holder is connected to the positive side of the electric circuit. When a root canal device such as a reamer held by contacting the hook-shaped part of the tip of the conductor is inserted into the root canal of a living tooth and the tip of the inserted root canal device reaches the root apex, the root canal device Since a current of a predetermined value flows between the negative electrode and the negative electrode inserted into the oral cavity, the root canal length is measured by the insertion length of the root canal device at this time.
【０００５】[0005]
【考案が解決しようとする課題】リーマ或いはファイル
等の針状の根管器具を生体歯の歯根管に挿入し根管長を
測定するに当たっては、根管器具１を上記したホルダー
の導体２５の先端の鉤状部２７と小径筒体２３の先端面
２３ａとの間に挟持し、根管器具の頭部２を指で押さえ
ながら根管器具を回転する等の操作をして歯根管に挿入
し、ホルダーの導体２５を流れる電流値を監視しながら
根管器具の挿入長をチェックするのが普通である。[Problems to be Solved by the Invention] Inserting a needle-shaped root canal device such as a reamer or a file into the root canal of a living tooth to determine the root canal length.
In the measurement , the root canal instrument 1 is clamped between the hook-shaped portion 27 at the tip of the conductor 25 of the holder and the tip surface 23a of the small-diameter cylindrical body 23, and the head 2 of the root canal instrument is pressed with a finger. While rotating the root canal device , insert it into the root canal.
Then, while monitoring the current value flowing through the conductor 25 of the holder
It is common to check the insertion length of the root canal device .
【０００６】然しながら、狭い口腔内での操作が面倒な
こともあって、歯根管の診療に熟達した術者の場合は、
根管器具をホルダーで挟持せずに歯根管への挿入作業を
行い、根管器具先端が根尖に達したか否かを確認するた
めにホルダーの導体２５を根管器具に接触させ、導体２
５に流れる電流値をチェックすることも多い。この場合
に、上記の従来の根管器具ホルダーでは導体２５が先端
の鉤状部しか露出しておらず、導体２５を根管器具に接
触させ難く、かつ接触させても横滑りし易いなど接触が
不安定になり易い。 However, the operation in the narrow oral cavity is troublesome.
Therefore , in the case of an operator who is skilled in the treatment of root canals,
Inserting the root canal device into the root canal without sandwiching it with the holder, and contacting the conductor 25 of the holder with the root canal device to confirm whether the tip of the root canal device reaches the root apex, Two
In many cases, the value of the current flowing in 5 is checked. In this case, in the above-mentioned conventional root canal device holder, the conductor 25 only exposes the hook-shaped part at the tip, and it is difficult to contact the conductor 25 with the root canal device, and even if the conductor 25 is contacted, side contact easily occurs. Easy to be unstable.
【０００７】本考案は従来のＩＣ型の歯科用根管器具ホ
ルダーにおける上記の難点を除去したもので、根管器具
ホルダーで挟持せずに根管器具を生体歯の歯根管に挿入
し、根管器具の挿入長を確認するために挿入した根管器
具にホルダーの導体を接触させるときに、根管器具をホ
ルダーの導体に容易、確実かつ安定的に接触させ得るよ
うにした歯科用根管具ホルダーを提供することにある。The present invention eliminates the above-mentioned drawbacks of the conventional IC type dental root canal instrument holder, in which the root canal instrument is inserted into the root canal of a living tooth without being clamped by the root canal instrument holder. Hold the root canal device in place when the conductor of the holder is contacted with the inserted root canal device to check the insertion length of the root canal device.
It is an object of the present invention to provide a dental root canal holder capable of easily , reliably and stably contacting a conductor of a ruder .
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本考案の歯科用根管器具ホルダーにおいては、筒体
の先端近傍の筒壁の一部を除去し、筒体内の導体を露出
させている。すなわち、本考案の歯科用根管器具ホルダ
ーは、筒体の内部に電気回路と接続される導体を遊嵌
し、筒体の先端から突出させた導体先端部に鉤状部を形
成し、該鉤状部と筒体の先端面との間にリーマ等の針状
の根管器具を挟持する根管器具ホルダーにおいて、筒体
の先端近傍の筒壁の一部を除去し、筒体内の導体を露出
させたことを特徴とするものである。To achieve SUMMARY OF to the above objects, in a dental root canal instrument holder of the present invention, removing a portion near the distal end of the cylindrical wall of the cylindrical body <br/>, cylindrical body The conductor of is exposed. That is, in the dental root canal instrument holder of the present invention, a conductor connected to an electric circuit is loosely fitted inside the tubular body , and a hook-shaped portion is formed at the conductor tip portion protruding from the tip of the tubular body. in the root canal instrument holder for holding the needle-like root canal instrument of the reamer or the like between the distal end surface of the hook portion and the cylindrical body, to remove a portion near the distal end of the cylindrical wall of the cylindrical body <br/>, It is characterized in that the conductor in the cylinder is exposed.
【０００９】[0009]
【作用】本考案の歯科用根管器具ホルダーにおいては、
上記のとおり、筒体の先端近傍において筒壁の一部を除
去し、電気回路に接続する筒体内の導体を露出させてい
るので、根管器具をホルダーで保持せずに生体歯の歯根
管に挿入し、根管器具の挿入先端が根尖位置に達したか
否かを確認するために根管器具にホルダーの導体を接触
させ、流れる電流値を確認するときに、露出された導体
の側面を歯根管に挿入された根管器具に当接させ、容
易、確実かつ安定的に導体を根管器具に接触させること
ができ、根管器具と口腔内に差込まれている電極との間
に流れる電流を確実に読みとることができる。 [Function] In the dental root canal instrument holder of the present invention,
As mentioned above, remove a part of the cylinder wall near the tip of the cylinder.
To expose the conductor inside the cylinder that connects to the electric circuit.
The root canal of the living tooth without holding the root canal device in the holder.
Inserted into the canal and the insertion tip of the root canal device reached the apex position
Touch the conductor of the holder to the root canal device to see if
The exposed conductor when checking the flowing current value.
A side of the root canal against the root canal device inserted in the root canal,
Easy, reliable and stable contact of the conductor with the root canal device
Between the root canal device and the electrode inserted in the oral cavity.
The current flowing through can be reliably read.
【００１０】[0010]
【実施例】本考案の歯科用根管器具ホルダーの実施例を
図面に基づき説明する。図１は本考案の実施例の歯科用
根管器具ホルダーが根管器具を保持した状態を示す斜視
図であり、図２は該ホルダーを上面と平行な面で截断し
た縦断面図であり、図３は図２のホルダーの先端部分を
拡大した部分拡大縦断面図である。各図において同一符
号は同一部分を表す。Embodiment An embodiment of a dental root canal instrument holder of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a state where a dental root canal instrument holder according to an embodiment of the present invention holds a root canal instrument, and FIG. 2 is a vertical sectional view of the holder cut along a plane parallel to an upper surface, FIG. 3 is a partially enlarged vertical sectional view in which the tip portion of the holder of FIG. 2 is enlarged. In each figure, the same reference numerals represent the same parts.
【００１１】図において１はリーマ、ファイル、ブロー
チ、オプナー等の針状の根管器具を示し、２は絶縁材料
より成るその頭部である。根管器具１を挟持する歯科用
根管器具ホルダー３は、ＰＰＳ樹脂（ポリフェニレンス
ルファイド）などのオートクレーブ滅菌処理が可能な耐
熱性を有する耐熱性樹脂より成る筒体４を有し、該筒体
は基部側の大径筒体部５と先端側の小径筒体部６とを備
えている。In the figure, reference numeral 1 denotes a needle-shaped root canal device such as a reamer, a file, a broach, and an opener, and 2 denotes its head made of an insulating material. The dental root canal instrument holder 3 for holding the root canal instrument 1 has a tubular body 4 made of a heat-resistant resin having heat resistance capable of autoclave sterilization treatment such as PPS resin (polyphenylene sulfide). Has a large-diameter cylindrical body portion 5 on the base side and a small-diameter cylindrical body portion 6 on the tip side.
【００１２】筒体４の内部には例えばステンレス鋼、イ
ンコネル等の耐食性の金属から成る導体１０が遊嵌され
ており、導体１０の先端部は筒体の小径筒体部６の先端
から突出し、鉤状に折り曲げられて鉤状部１１を形成し
ている。導体１０の後端部１２はＰＰＳ樹脂等の耐熱性
樹脂より成る後述の作動筒体１６に固着され、また弗素
樹脂、シリコン樹脂等の耐熱性絶縁材を被覆した耐熱性
電線１３の導体１４とかしめ接続具１５によりかしめ接
続されている。耐熱性絶縁電線を用いかつ通常の半田付
け接続ではなくかしめ接続としているのは、オートクレ
ーブ滅菌処理が可能な耐熱性を付与するためである。A conductor 10 made of a corrosion-resistant metal such as stainless steel or Inconel is loosely fitted inside the tubular body 4, and the tip of the conductor 10 projects from the tip of the small-diameter tubular portion 6 of the tubular body. It is bent in a hook shape to form a hook-shaped portion 11. Rear end portion 12 of the conductor 10 is secured to the operating cylinder 16 described later made of heat-resistant resin such as P PS resin, also conductor 14 of fluorine resin, heat-resistant electric wire 13 coated with heat-resistant insulating material such as silicon resin They are caulked by the caulking connector 15. Are we crimping connection rather than using and conventional soldering connecting heat-resistant insulating electrical wire is to impart autoclave sterilization capable heat resistance.
【００１３】小径筒体部の先端は、図１の斜視図に示さ
れている通り、上下の二股状に分岐され、分岐れされた
それぞれの先端面７、７は、上記の導体１０の鉤状部１
１と協働して根管器具を挟持する把持面をなすが、この
先端面７、７には針状の根管器具を受容する凹溝例えば
Ｖ溝８が設けられている。従って根管器具はこのＶ溝の
両側辺８ａと鉤状部１１とにより３点支持の形で確実か
つ安定に挟持される。As shown in the perspective view of FIG. 1, the tip of the small-diameter cylindrical portion is branched into upper and lower bifurcated parts, and the respective branched tip surfaces 7, 7 are hooked on the conductor 10. Shape 1
The tip surface 7, 7 is provided with a concave groove, for example, a V-shaped groove 8 for receiving the needle-shaped root canal device. Therefore, the root canal device is securely and stably clamped by the two sides 8a of the V groove and the hook-shaped portion 11 in the form of three-point support.
【００１４】小径筒体部６はその先端近傍において筒壁
の一部が除去され、生体歯の歯根管に挿入された根管器
具に導体１０を側面から当接させることができるように
導体１０を露出させた露出部９を備えている。[0014] diameter cylindrical body portion 6 part of the cylinder wall is removed at its distal vicinity conductors to the conductors 10 to the inserted root canal instrument root canal of a living body teeth can be brought into contact from the side An exposed portion 9 that exposes 10 is provided.
【００１５】筒体４の大径筒体部５の内面には作動筒体
１６が摺動自在に結合されている。１７は大径筒体部の
段部５ａと作動筒体の段部１６ａとの間に介挿されたス
プリングで、その弾性力により作動筒体１６を後方へ押
圧している。従って後端部１２が作動筒体に固着されて
いる導体１０の先端の鉤状部１１は小径筒体部の先端面
７、７に向かって引張られ、これに弾接する。図面を簡
単化するため図示していないが、筒体４の大径筒体部５
と作動筒体１６には例えば結合ピンと長溝とによる抜け
止め防止手段が設けられている。なお、図１における１
８および１９は電線１２を電気回路に接続された電線に
接続するためのプラグおよびソケットである。An operating cylinder 16 is slidably connected to the inner surface of the large-diameter cylinder portion 5 of the cylinder 4. A spring 17 is interposed between the step portion 5a of the large-diameter tubular portion and the step portion 16a of the actuating cylinder, and the elastic force pushes the actuating cylinder 16 rearward. Therefore, the hook-shaped portion 11 at the tip of the conductor 10 whose rear end portion 12 is fixed to the actuating cylinder is pulled toward the tip surfaces 7, 7 of the small-diameter cylinder portion and elastically contacts with this. Although not shown in order to simplify the drawing, the large-diameter cylindrical portion 5 of the cylindrical body 4
Further, the actuating cylinder 16 is provided with a retaining prevention means such as a coupling pin and a long groove. 1 in FIG.
Reference numerals 8 and 19 are plugs and sockets for connecting the electric wire 12 to electric wires connected to an electric circuit.
【００１６】根管器具をホルダーの先端に挟持するに
は、スプリング１７に抗して作動筒体１６を指で前方に
押し、図３に示されているように、導体１０の先端の鉤
状部１１を押出して小径筒体の先端面７から離間させ、
根管器具が小径筒体の先端面の凹溝８に受容されるよう
に根管器具とホルダー先端とを当てがった後に作動筒体
を押す指の力を抜けば、スプリング１７の弾力により作
動筒体１６およびこれに固着された導体１０は後方へ押
され、鉤状部１１が小径筒体の先端面の凹溝中に受容さ
れた根管器具に弾接し、根管器具を強固に挟持する。In order to clamp the root canal device at the tip of the holder, the actuating cylinder 16 is pushed forward with a finger against the spring 17, and as shown in FIG. 3, the tip of the conductor 10 is hooked. The portion 11 is extruded to be separated from the tip surface 7 of the small-diameter cylinder,
After the root canal device and the tip of the holder are applied so that the root canal device is received in the concave groove 8 on the tip surface of the small-diameter tubular body, if the force of the finger pushing the actuating tubular body is removed, the spring force of spring 17 causes The actuating cylinder 16 and the conductor 10 fixed to the actuating cylinder 16 are pushed backward, and the hook-shaped portion 11 makes elastic contact with the root canal device received in the concave groove of the tip surface of the small-diameter cylinder to firmly secure the root canal device. Hold it.
【００１７】上記説明した本考案の実施例においては、
スプリング１７が筒体４の基部側の径大筒体部５の段部
５ａと作動筒体１６の段部１６ａの間に装着されている
ので、図４に示す従来のホルダーのように筒体２１の先
端側の径小筒体部と導体２５の段部２６との間にスプリ
ングを装着した場合に較べると、筒体の先端部に連接す
る部分の太さ、直径を著しく小さくすることができる。
従って、上記実施例の場合には、ホルダーに保持した根
管器具を用いる口腔内作業において、ホルダーの筒体が
術者の視野を遮りホルダーの先端部および根管器具を見
難くしたり、ホルダーの筒体が術者の指に当たり作業の
邪魔になるという弊害が著しく軽減される。In the embodiment of the present invention described above,
Since the spring 17 is mounted between the stepped portion 5a of the large-diameter tubular portion 5 on the base side of the tubular body 4 and the stepped portion 16a of the actuating tubular body 16, the tubular body 21 is provided like the conventional holder shown in FIG. Compared with the case where a spring is mounted between the small-diameter tubular portion on the tip end side and the step portion 26 of the conductor 25, the thickness and diameter of the portion connected to the tip end portion of the tubular body can be significantly reduced. .
Therefore, in the case of the above-mentioned embodiment, in the oral work using the root canal device held in the holder, the tube of the holder obstructs the operator's visual field and makes it difficult to see the tip of the holder and the root canal device, or the holder. The adverse effect that the cylindrical body of the robot hits the operator's finger and interferes with the work is significantly reduced.
【００１８】また、上記実施例においては、筒体４およ
び作動筒体がＰＰＳ樹脂等の耐熱性樹脂により構成さ
れ、導体１０に接続された電線も弗素樹脂、シリコーン
樹脂等の耐熱性の絶縁被覆が施され、またホルダーの導
体１０と電線の導体１３との接続も、通常の半田付けで
はなく、耐熱性が高いかしめ接続としているので、上記
実施例の根管器具ホルダーはオートクレーブによる滅菌
処理が可能であり、衛生管理上有利である。Further, in the above embodiment, the cylindrical body 4 and the operating cylindrical body are made of a heat resistant resin such as PPS resin, and the electric wire connected to the conductor 10 is also made of a heat resistant insulating coating such as a fluorine resin or a silicone resin. In addition, since the conductor 10 of the holder and the conductor 13 of the electric wire are connected by caulking with high heat resistance instead of normal soldering, the root canal instrument holder of the above embodiment is sterilized by an autoclave. It is possible and advantageous in hygiene management.
【００１９】以上説明した本考案の歯科用根管器具ホル
ダーは種々の変形が可能である。例えば、筒体の小径筒
体部６の先端部は二股状に構成する必要は必ずしもな
く、図４の従来のものと同様な構成であってもよい。先
端面７に設ける凹溝の形状もＶ溝に限られるものではな
く、円形断面、矩形断面など種々の形状の凹溝を適宜に
採用することができる。スプリング１７の装着位置も上
記に限られるものではなく、圧縮スプリングもしくは引
張りスプリングを適宜に用いて導体１０を後方に押圧す
るか筒体４を前方に押圧するように構成することができ
る。本考案は図４に示す従来のものと同様なスプリング
装着とすることを排除するものでもない。更に、作動筒
体は筒体の大径筒体部と摺動自在に結合する代わりに、
大径筒体部と螺合させ、螺動により前進、後退するよう
にしてもよい。ホルダーの導体１０と電線の導体１３と
の耐熱接続も、圧縮スリーブを用いた圧縮接続或いは溶
接接続、ろう着接続とすることもできる。The dental root canal instrument holder of the present invention described above can be modified in various ways. For example, the tip portion of the small-diameter tubular portion 6 of the tubular body does not necessarily have to be bifurcated, and may have the same configuration as the conventional one shown in FIG. The shape of the concave groove provided on the tip surface 7 is not limited to the V groove, and concave grooves having various shapes such as a circular cross section and a rectangular cross section can be appropriately adopted. The mounting position of the spring 17 is not limited to the above, and a compression spring or a tension spring may be appropriately used to press the conductor 10 backward or the cylinder 4 forward. The present invention does not exclude the spring mounting similar to the conventional one shown in FIG. Furthermore, instead of the actuating cylinder being slidably connected to the large-diameter cylinder part of the cylinder,
It may be screwed into the large-diameter cylindrical portion and may be moved forward and backward by screwing. The heat resistant connection between the conductor 10 of the holder and the conductor 13 of the electric wire may be compression connection using a compression sleeve, welding connection, or brazing connection.
【００２０】[0020]
【考案の効果】上記説明した通り、本考案の歯科用根管
器具ホルダーは、ホルダー先端の導体の鉤状部と小径筒
体部の先端面との間に根管器具を確実かつ安定に保持
し、根管器具に流れる電流値を監視しながら根管器具を
生体歯の歯根管に挿入できるものであるが、根管器具を
ホルダーで挟持せずに生体歯の歯根管に挿入し、根管器
具の先端が根尖位置に達したか否かを確認するために、
挿入した根管器具にホルダーの導体を接触させ電流値を
チェックする場合においても、本考案の歯科用根管器具
によれば、筒体の先端近傍の筒壁の一部を除去し露出さ
せた導体の側面を歯根管に挿入された根管器具に当接さ
せ、容易、確実かつ安定的に導体を根管器具 に接触させ
ることができ、根管器具に流れる電流を確実に読みとる
ことができる。As described above, the dental root canal instrument holder of the present invention reliably and stably holds the root canal instrument between the hook-shaped portion of the conductor at the tip of the holder and the tip surface of the small-diameter tubular portion.
The root canal device while monitoring the current flowing through the root canal device.
Although it can be inserted into the root canal of a living tooth, insert the root canal device into the root canal of the living tooth without sandwiching it with a holder, and check whether the tip of the root canal device has reached the apex position. for,
Contact the conductor of the holder with the inserted root canal device to adjust the current value.
Even when checking , according to the dental root canal device of the present invention, a part of the cylinder wall near the tip of the cylinder is removed to expose it.
Place the side surface of the installed conductor on the root canal device inserted in the root canal.
Was easily contacting reliably and stably conductors root canal instrument
Can reliably read the current flowing through the root canal device
You can
【図１】本考案の歯科用根管器具ホルダーで根管器具を
保持した状態を示す斜視図である。FIG. 1 is a perspective view showing a state in which a root canal instrument is held by a dental root canal instrument holder of the present invention.
【図２】上記ホルダーを上面と平行な面で截断した縦断
面図である。FIG. 2 is a vertical sectional view of the holder cut along a plane parallel to the upper surface.
【図３】図２のホルダーの先端部分を拡大した部分拡大
縦断面図である。FIG. 3 is a partially enlarged vertical sectional view in which a tip portion of the holder of FIG. 2 is enlarged.
【図４】従来の歯科用根管器具の縦断面図である。FIG. 4 is a longitudinal sectional view of a conventional dental root canal device.
１ 根管器具 ４ 筒体 ５ 大径筒体部 ６ 小径筒体部 ７ 小径筒体部の先端面 ８ 凹溝 ９ 導体露出部 １０ 導体 １１ 鉤状部 １６ 作動筒体 １７ スプリング DESCRIPTION OF SYMBOLS 1 Root canal device 4 Cylindrical body 5 Large diameter cylindrical body portion 6 Small diameter cylindrical body portion 7 Tip surface of small diameter cylindrical body portion 8 Groove 9 Conductor exposed portion 10 Conductor 11 Hook portion 16 Actuating cylindrical body 17 Spring
Claims (3)
を遊嵌し、筒体の先端から突出させた導体先端部に鉤状
部を形成し、該鉤状部と筒体の先端面との間にリーマ等
の針状の根管器具を挟持する根管器具ホルダーにおい
て、筒体の先端近傍の筒壁の一部を除去し筒体内の導体
を露出させたことを特徴とする歯科用根管器具ホルダ
ー。1. A conductor to be connected to an electric circuit is loosely fitted inside a tubular body , and a hook-shaped portion is formed at a conductor tip portion protruding from a tip end of the barrel body. The hook-shaped portion and the tip end of the barrel body . In a root canal device holder that holds a needle-shaped root canal device such as a reamer between the surface and the surface , remove a part of the cylinder wall near the tip of the cylinder to remove the conductor inside the cylinder.
A root canal instrument holder for dental use, which is exposed .
能に結合する作動筒体に固定すると共に、筒体内に収容
した弾性部材の弾性力により、導体先端の鉤状部と筒体
の先端とが弾接するように付勢していることを特徴とす
る請求項１記載の歯科用根管器具ホルダー。2. A method conductors loosely fitted in the cylindrical body, is fixed to the working cylinder that binds to be cylindrical body and the sliding, by the elastic force of the elastic member accommodated in the cylindrical body, the hook-shaped portion of the conductor tip claim 1 Symbol placement of the dental root canal instrument holder and the tip of the cylindrical body <br/> is characterized in that it urges the elastic contact with.
長測定電気回路に接続される耐熱被覆電線に接続されて
いることを特徴とする請求項１又は２記載の歯科用根管
器具ホルダー。Wherein the cylindrical body is made of heat-resistant resin, conductive body canal
Claim 1 or 2 Symbol placement of the dental root canal instrument holder, characterized in that it is connected to the heat resistant conductive line connected to the long measuring electrical circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991088890U JPH0710736Y2 (en) | 1991-10-02 | 1991-10-02 | Dental root canal instrument holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991088890U JPH0710736Y2 (en) | 1991-10-02 | 1991-10-02 | Dental root canal instrument holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0529512U JPH0529512U (en) | 1993-04-20 |
| JPH0710736Y2 true JPH0710736Y2 (en) | 1995-03-15 |
Family
ID=13955573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991088890U Expired - Lifetime JPH0710736Y2 (en) | 1991-10-02 | 1991-10-02 | Dental root canal instrument holder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710736Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5420502B2 (en) * | 2010-09-08 | 2014-02-19 | 株式会社長田中央研究所 | Dental root canal length measuring instrument |
| JP5349436B2 (en) * | 2010-09-21 | 2013-11-20 | 株式会社長田中央研究所 | Dental root canal length measuring instrument |
| US20190117335A1 (en) * | 2017-04-28 | 2019-04-25 | Dentsply Sirona Inc. | Apex locator attachment |
| JP6626872B2 (en) * | 2017-11-29 | 2019-12-25 | 藤栄電気株式会社 | Canal instrument holder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52160293U (en) * | 1976-05-29 | 1977-12-05 |
-
1991
- 1991-10-02 JP JP1991088890U patent/JPH0710736Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0529512U (en) | 1993-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |