JP4471892B2 - Dental syringe - Google Patents

Dental syringe Download PDF

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JP4471892B2
JP4471892B2 JP2005186230A JP2005186230A JP4471892B2 JP 4471892 B2 JP4471892 B2 JP 4471892B2 JP 2005186230 A JP2005186230 A JP 2005186230A JP 2005186230 A JP2005186230 A JP 2005186230A JP 4471892 B2 JP4471892 B2 JP 4471892B2
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air
water
syringe
circuit
operation piece
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JP2007000495A (en
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元治 横井
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株式会社長田中央研究所
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Description

本発明は、歯科治療において、患者の口腔内に水又はエアー又は水とエアーの混合流であるスプレーを噴射して患者の口腔内を清掃する歯科用シリンジに関し、特に、使用時、シリンジを手に持って(握って)操作する時に、従来技術に比して、操作者に負担をかけることなく、流量調整を容易に行えるようにした歯科用シリンジに関する。   The present invention relates to a dental syringe that cleans a patient's oral cavity by spraying water or air or a spray that is a mixed flow of water and air into the patient's oral cavity in dental treatment. The present invention relates to a dental syringe that can easily adjust the flow rate without imposing a burden on the operator as compared with the prior art when operating (holding).

図3は、従来の歯科用シリンジの一例を説明するための要部外観図で、図中、10はシリンジで、該シリンジ10本体内には、周知のように、水回路及びエアー回路が設けられており、それぞれの回路には流量調整弁が設けられている。11は該水回路中に設けられている水量調整弁の開閉度を調整する水量調整操作片、12はエアー回路中に設けられているエアー量調整弁の開閉度を調整するエアー量調整操作片、13はこれら水回路及びエアー回路に連通している噴射管で、周知のように、例えば、操作片11を押すことによって、これら水回路及びエアー回路に連通している噴射管13の先端から、水が放出され、或いは、操作片12を押すことによってエアーが噴射され、更には、これら操作片11と12を同時に押すことによって、水とエアーの混合体であるスプレーが噴射され、その噴射量は、これら操作片11,12を押すストロークの調整によって行っている。   FIG. 3 is an external view of an essential part for explaining an example of a conventional dental syringe. In the figure, 10 is a syringe, and a water circuit and an air circuit are provided in the syringe 10 main body as is well known. Each circuit is provided with a flow control valve. 11 is a water amount adjusting operation piece for adjusting the opening / closing degree of a water amount adjusting valve provided in the water circuit, and 12 is an air amount adjusting operation piece for adjusting the opening / closing degree of an air amount adjusting valve provided in the air circuit. , 13 are injection pipes communicating with the water circuit and the air circuit, as is well known, for example, by pressing the operation piece 11 from the tip of the injection pipe 13 communicating with the water circuit and the air circuit. Water is discharged or air is ejected by pressing the operation piece 12, and further, by simultaneously pressing the operation pieces 11 and 12, a spray which is a mixture of water and air is ejected. The amount is adjusted by adjusting the stroke for pressing these operation pieces 11 and 12.

上述のように、従来の3Wayシリンジは、水操作片11とエアー操作片12を有し、これらの操作片11,12を親指で押すことにより、各々の流体が噴射され、その流量の調整は、それぞれの操作片11,12の押し込み量を調整することによって行っていた。   As described above, the conventional 3-way syringe has the water operation piece 11 and the air operation piece 12, and by pressing these operation pieces 11 and 12 with the thumb, each fluid is ejected, and the flow rate is adjusted. This is done by adjusting the pushing amount of each operation piece 11, 12.

しかし、上記従来の構成のシリンジによると、操作片11,12の押し込み量は、これら操作片11,12を、親指で押し込んでいる体勢となり、体勢的に親指を動かす筋肉に負担がかかり、長時間の使用には向いていなかった。   However, according to the syringe having the above-described conventional configuration, the operation pieces 11 and 12 are pushed in such a manner that the operation pieces 11 and 12 are pushed with the thumb, and the muscle that moves the thumb is placed on the posture and is long. Not suitable for time use.

本発明は、上述のごとき実情に鑑みてなされたもので、特に、歯科用の3Wayシリンジにおいて、作業者の手にかかる負担を軽減し、作業性を向上させることを目的としてなされたものである。   The present invention has been made in view of the above circumstances, and in particular, in a dental 3-way syringe, it has been made for the purpose of reducing the burden on the operator's hand and improving workability. .

請求項の発明は、水回路及びエアー回路と、これら水回路及びエアー回路に連通しこれら水回路及びエアー回路からの水又はエアー又はこれら水とエアーとの混合流を放出する単一の放出路と、前記水回路及びエアー回路に設けられた流量調整弁と、これら流量調整弁の開閉度を調整し、前記放出路から放出される水又はエアー又は水とエアーの混合流を調節するようにした歯科用シリンジにおいて、前記水回路及びエアー回路の各々に設けられた開閉弁を有し、これら開閉弁を操作する開閉弁操作片が、該シリンジの使用に当って該シリンジを握った時に、それぞれ握った人差し指及び中指が当る位置に設けられていることを特徴としたものである。 The invention according to claim 1 is a single discharge for discharging a water circuit and an air circuit and water or air from the water circuit and the air circuit or a mixed flow of water and air from the water circuit and the air circuit. The flow control valves provided in the water circuit and the air circuit, the degree of opening and closing of these flow control valves is adjusted, and water or air discharged from the discharge path or a mixed flow of water and air is adjusted. The dental syringe has an open / close valve provided in each of the water circuit and the air circuit, and the open / close valve operating piece for operating the open / close valve grips the syringe during use of the syringe. These are characterized in that they are provided at positions where the index finger and the middle finger that are gripped respectively hit.

請求項の発明は、請求項の発明において、前記開閉弁操作片は、シリンジの径方向に移動する押圧操作片又は周方向或いは軸方向に移動するスライド操作片であることを特徴としたものである。 According to a second aspect of the present invention, in the first aspect of the invention, the on-off valve operation piece is a pressing operation piece that moves in a radial direction of a syringe or a slide operation piece that moves in a circumferential direction or an axial direction. Is.

請求項の発明は、請求項又は請求項の発明において、前記流量調整弁の開閉度を調整する流量調整操作片は、該シリンジの使用に当って該シリンジを握った時に、親指で操作できる位置或いは握る位置を少し前方に移動して操作できる位置に設けられていることを特徴としたものである。 According to a third aspect of the present invention, in the first or second aspect of the present invention, the flow rate adjusting operation piece for adjusting the degree of opening and closing of the flow rate adjusting valve is a thumb when the syringe is gripped when the syringe is used. It is characterized in that it is provided at a position where it can be operated by moving the position where it can be operated or gripped slightly forward.

請求項の発明は、請求項の発明において、前記流量調整操作片は、水又はエアーを調整する1つの操作片又は水とエアーを別々に調整する2つの操作片であることを特徴としたものである。 The invention of claim 4 is the invention of claim 3 , wherein the flow rate adjusting operation piece is one operation piece for adjusting water or air or two operation pieces for adjusting water and air separately. It is what.

本発明によると、シリンジ使用中の操作を、シリンジを握った時に、人差し指及び中指が当るシリンジ本体に、水及びエアーの流量調整用の操作片、又は、水及びエアーの流路開閉弁を配設し、これら水及びエアーの流量調整或いは開閉を、シリンジ本体を握った状態で、人差し指及び中指で操作可能としたので、シリンジの握り手の姿勢に負担がかからず、より自然に近い状態での操作(作業)が可能となり、作業の効率があがり、作業者の負担を軽減することができる。   According to the present invention, an operation piece for adjusting the flow rate of water and air, or a water and air flow path opening / closing valve is arranged on the syringe body that the index finger and middle finger hit when the syringe is used. It is possible to adjust the flow rate of water and air or open and close with the index finger and middle finger while holding the syringe body, so that the posture of the hand grip of the syringe is not burdened and it is closer to nature The operation (work) can be performed, the work efficiency can be improved, and the burden on the operator can be reduced.

図1は、本発明が適用される歯科用シリンジの一例を説明するための要部外観図で、その内部構造は、従来の歯科用シリンジと同様、水回路及びエアー回路と、これら水回路及びエアー回路中に設けられた流量調整弁と、これら流量調整弁の下流側において、これら水回路及びエアー回路に連通する噴射管13を有する。 FIG. 1 is an external view of a main part for explaining an example of a dental syringe to which the present invention is applied , and its internal structure is a water circuit and an air circuit, and these water circuits and A flow rate adjusting valve provided in the air circuit, and an injection pipe 13 communicating with the water circuit and the air circuit are provided on the downstream side of these flow rate adjusting valves.

而して、図1に示した歯科用シリンジは、前記水回路及びエアー回路中の流量調整弁を調整する操作片21及び22を、使用者が該シリンジ10本体を握った時に、該操作者の人差し指及び中指が当る部分、具体的には、シリンジ本体10の裏側から側方に至るまでの部分に設けられており、使用者は、該シリンジの使用に当り、該シリンジ10本体を握るが、その時、これら操作片21,22を握った手の人差し指及び中指で操作することができる。 Thus, the dental syringe shown in FIG. 1 has the operation pieces 21 and 22 for adjusting the flow rate adjusting valves in the water circuit and the air circuit when the user holds the syringe 10 main body. The index finger and the middle finger are contacted with each other, specifically, the portion from the back side to the side of the syringe body 10, and the user holds the syringe 10 body when using the syringe. At that time, it is possible to operate with the index finger and middle finger of the hand holding these operation pieces 21 and 22.

具体的には、人差し指で操作片21を押して水回路を開き、更に押し込むことによってその流量を調整し、また、中指で操作片22を押してエアー回路を開き、更に押し込むことによってそのエアーの流量を調整することができる。   Specifically, the operation piece 21 is pushed with the index finger to open the water circuit, and the flow rate is adjusted by further pushing, and the operation piece 22 is pushed with the middle finger to open the air circuit and further pushed to reduce the air flow rate. Can be adjusted.

上述のように、図1に示した歯科用シリンジによると、シリンジの使用に当って、シリンジを使用状態で握った時に、該握った手の人差し指及び中指の位置に水回路及びエアー回路の流量調整弁の操作片があるので、作業者は、ごく自然の状態でシリンジを使用することができ、作業者にかかる負担を軽減することができる。 As described above, according to the dental syringe shown in FIG. 1, when using the syringe, when the syringe is gripped in use, the flow rate of the water circuit and the air circuit at the position of the index finger and middle finger of the gripped hand Since there is an operation piece for the regulating valve, the operator can use the syringe in a very natural state, and the burden on the operator can be reduced.

なお、以上の説明において、操作片21,22をシリンジ本体10の径方向に押し込むようにした例について説明したが、図示例に限定されるものではなく、例えば、これら操作片21,22をシリンジの軸方向に移動して流量調整弁の開閉度を調整するようにしても、或いは、シリンジの周方向に移動して流量調整弁の開度を調整するようにしてもよい。 In the above description, an example is described which is adapted pressing the operation piece 21 in the radial direction of the syringe body 10 is not limited to FIG示例, for example, a syringe of these operating pieces 21 and 22 It is possible to adjust the opening / closing degree of the flow rate adjusting valve by moving in the axial direction, or to adjust the opening degree of the flow rate adjusting valve by moving in the circumferential direction of the syringe.

以上には、単一の操作片によって流路の開閉と流量調整を行うようにした例、例えば、操作片21によって水回路の開閉及び流量調整を、操作片22によってエアー回路の開閉及び流量調整を行うようにした例について説明したが、操作片を押し込む形式の場合、流量調整は、握りの強さ(操作片を押し込む力の強さ)によって行われるため、使用中、必ずしも、シリンジをしっかりと握り締めることができず(強く握り締めると、流量が多くなってしまう)、安定性に問題がある。   In the above example, the channel is opened and closed and the flow rate is adjusted by a single operation piece, for example, the water circuit is opened and closed and the flow rate is adjusted by the operation piece 21, and the air circuit is opened and closed and the flow rate is adjusted by the operation piece 22. However, in the case of the type in which the operation piece is pushed in, the flow rate is adjusted by the strength of the grip (the strength of the force pushing the operation piece). Cannot be gripped (if the hand is squeezed strongly, the flow rate increases), and there is a problem with stability.

図2は、本発明による歯科用シリンジの実施例を説明するための要部概略構成図で、本発明においては、シリンジ10本体内の水回路には該水回路を開閉する開閉弁と該水回路中を流れる水の量を調整する水流量調整弁とを直列に有し、同様に、エアー回路には該エアー回路を開閉する開閉弁と該エアー回路中を流れるエアーの量を調整するエアー流量調整弁とを直列に有し、水回路中の開閉弁を人差し指によって操作される操作片33によって開閉し、エアー回路中の開閉弁を中指によって操作される操作片34によって開閉するようにしている。 Figure 2 is a main part schematic diagram for explaining an embodiment of a dental syringe according to the present invention, in the present invention, the opening and closing valve and the in water circuit of the syringe 10 within the body for opening and closing the water circuit A water flow rate adjustment valve that adjusts the amount of water flowing in the water circuit is provided in series. Similarly, the air circuit adjusts the amount of air flowing in the air circuit and an on-off valve that opens and closes the air circuit. It has an air flow rate adjusting valve in series, and the open / close valve in the water circuit is opened / closed by the operation piece 33 operated by the index finger, and the open / close valve in the air circuit is opened / closed by the operation piece 34 operated by the middle finger. ing.

本実施例においては、水回路及びエアー回路中の流量調整弁の操作片31,32は、使用に当って、シリンジ10本体を握った時に、握った手の親指が容易に届く範囲、好ましくは、シリンジ10本体の上側で、シリンジ10本体を握った状態で親指が届く範囲或いは握りを少し前方に移動して親指が届く範囲に設け、使用に当り、これら調整弁操作片31,32を予め親指にて調整して、最適の流量を設定し、その後、開閉操作片33,34を人差し指及び中指にて操作して、水及び/又はエアー回路を開閉する。このようにすると、シリンジ使用中、人差し指及び中指は単に開閉弁を開閉(オン,オフ)するだけでよいので、シリンジ使用中の作業が非常に楽になる。   In the present embodiment, the operation pieces 31 and 32 of the flow rate adjusting valve in the water circuit and the air circuit are in a range where the thumb of the gripped hand can easily reach when the syringe 10 body is gripped during use, preferably The control valve operating pieces 31 and 32 are provided in advance on the upper side of the syringe 10 body within a range where the thumb can reach when the syringe 10 body is gripped or within a range where the thumb can be moved slightly forward. The optimum flow rate is set by adjusting with the thumb, and then the opening and closing operation pieces 33 and 34 are operated with the index finger and the middle finger to open and close the water and / or air circuit. In this way, while using the syringe, the index finger and the middle finger need only open and close (on / off) the on-off valve, which greatly facilitates the operation while using the syringe.

なお、この場合においても、操作片31−34の移動は、シリンジ本体に対して径方向への移動でも、軸方向への移動でも、周方向への移動でもよい。また、図2に示した実施例において、調整弁は必ずしも水回路及びエアー回路の両方に設ける必要はなく、例えば、エアー回路にのみ設けるようにしてもよい。更に、前記実施例において、水回路用の操作片の位置とエアー回路用の操作片の位置を置き換えてもよい。更には、図2に示した実施例において、水量調整操作片31及び/又はエアー流量調整操作弁32は回転(ダイヤル)式にしてもよい。   Also in this case, the operation pieces 31-34 may be moved in the radial direction, in the axial direction, or in the circumferential direction with respect to the syringe body. In the embodiment shown in FIG. 2, the regulating valve is not necessarily provided in both the water circuit and the air circuit, and may be provided only in the air circuit, for example. Furthermore, in the said Example, you may replace the position of the operation piece for water circuits, and the position of the operation piece for air circuits. Furthermore, in the embodiment shown in FIG. 2, the water amount adjusting operation piece 31 and / or the air flow rate adjusting operation valve 32 may be of a rotation (dial) type.

本発明が適用される歯科用シリンジの一例を説明するための要部外観図である。It is a main part outline view for explaining an example of a dental syringe to which the present invention that apply. 本発明による歯科用シリンジの実施例を説明するための要部概略構成図である。It is a principal part schematic block diagram for demonstrating one Example of the dental syringe by this invention. 従来の歯科用シリンジの一例を説明するための要部外観図である。It is a principal part external view for demonstrating an example of the conventional dental syringe.

符号の説明Explanation of symbols

10…シリンジ本体、11,21,31…水回路用流量調整操作片、12,22,32…エアー回路用流量調整操作片、13…噴射管、33…水回路開閉弁操作片、34…エアー回路開閉弁操作片。 DESCRIPTION OF SYMBOLS 10 ... Syringe main body, 11, 21, 31 ... Flow adjustment operation piece for water circuits, 12, 22, 32 ... Flow adjustment operation piece for air circuits, 13 ... Injection pipe, 33 ... Water circuit on-off valve operation piece, 34 ... Air Circuit open / close valve operation piece.

Claims (4)

水回路及びエアー回路と、これら水回路及びエアー回路に連通しこれら水回路及びエアー回路からの水又はエアー又はこれら水とエアーとの混合流を放出する単一の放出路と、前記水回路及びエアー回路に設けられた流量調整弁と、これら流量調整弁の開閉度を調整し、前記放出路から放出される水又はエアー又は水とエアーの混合流を調節するようにした歯科用シリンジにおいて、前記水回路及びエアー回路の各々に設けられた開閉弁を有し、これら開閉弁を操作する開閉弁操作片が、該シリンジの使用に当って該シリンジを握った時に、それぞれ握った人差し指及び中指が当る位置に設けられていることを特徴とする歯科用シリンジ。   A water circuit and an air circuit, a single discharge path communicating with the water circuit and the air circuit, and discharging water or air from the water circuit and the air circuit, or a mixed flow of these water and air, the water circuit and In a dental syringe that adjusts the flow rate adjustment valve provided in the air circuit, the degree of opening and closing of these flow rate adjustment valves, and adjusts the water or air discharged from the discharge path or the mixed flow of water and air, Each of the water circuit and the air circuit has an open / close valve, and when the open / close valve operating piece for operating the open / close valve grips the syringe in use of the syringe, the index finger and the middle finger that are gripped respectively. A dental syringe, wherein the dental syringe is provided at a position where the contact is made. 前記開閉弁操作片は、シリンジの径方向に移動する押圧操作片又は周方向或いは軸方向に移動するスライド操作片であることを特徴とする請求項に記載の歯科用シリンジ。 The dental syringe according to claim 1 , wherein the on-off valve operation piece is a pressing operation piece that moves in a radial direction of the syringe or a slide operation piece that moves in a circumferential direction or an axial direction. 前記流量調整弁の開閉度を調整する流量調整操作片は、該シリンジの使用に当って該シリンジを握った時に、親指で操作できる位置或いは握る位置を少し前方に移動して操作できる位置に設けられていることを特徴とする請求項又はに記載の歯科用シリンジ。 The flow rate adjusting operation piece for adjusting the opening / closing degree of the flow rate adjusting valve is provided at a position where the thumb can be operated with the thumb or a position where the grip can be moved slightly forward when the syringe is gripped. The dental syringe according to claim 1 or 2 , wherein the dental syringe is provided. 前記流量調整操作片は、水又はエアーを調整する1つの操作片又は水とエアーを別々に調整する2つの操作片であることを特徴とする請求項に記載の歯科用シリンジ。 4. The dental syringe according to claim 3 , wherein the flow rate adjusting operation piece is one operation piece for adjusting water or air or two operation pieces for adjusting water and air separately.
JP2005186230A 2005-06-27 2005-06-27 Dental syringe Expired - Fee Related JP4471892B2 (en)

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Publication number Priority date Publication date Assignee Title
EP2830531B1 (en) * 2012-03-30 2017-12-06 Dignity Health Electric toothbrush with controlled suction and irrigation
WO2018129433A1 (en) 2017-01-09 2018-07-12 Dignity Health Electric toothbrush with controlled suction and irrigation
WO2020243721A1 (en) 2019-05-31 2020-12-03 Dignity Health Toothbrush with controlled suction and/or irrigation
GB2622738A (en) 2021-07-07 2024-03-27 Oralkleen Llc Toothbrush with disposable irrigator

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