JPH0666692U - Drug injection device - Google Patents
Drug injection deviceInfo
- Publication number
- JPH0666692U JPH0666692U JP1400493U JP1400493U JPH0666692U JP H0666692 U JPH0666692 U JP H0666692U JP 1400493 U JP1400493 U JP 1400493U JP 1400493 U JP1400493 U JP 1400493U JP H0666692 U JPH0666692 U JP H0666692U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- drug
- injection
- rear end
- 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.)
- Granted
Links
- 239000003814 drug Substances 0.000 title claims abstract description 44
- 229940079593 drug Drugs 0.000 title claims abstract description 43
- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 239000000243 solution Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- 238000011109 contamination Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 3
- 229940035674 anesthetics Drugs 0.000 abstract 1
- 239000003193 general anesthetic agent Substances 0.000 abstract 1
- 241000700605 Viruses Species 0.000 description 5
- 230000003444 anaesthetic effect Effects 0.000 description 5
- 244000052769 pathogen Species 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 230000000857 drug effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003708 ampul Substances 0.000 description 1
- -1 anesthetic Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
(57)【要約】
【目的】 薬剤入り注射具に麻酔薬、薬液、溶媒などの
薬剤類を注射に先立って適正に吸引させる。
【構成】 キャップ３と協動してして薬液９を封入しシ
リンダ筒１の所定位置に置かれたピストン６の先端と後
端との間の範囲内においてピストン６の引抜き限度を示
す表示１０をシリンダ筒１に設け、薬液９の汚染防止と
薬剤類の適正量の吸引とを計った。
(57) [Summary] [Purpose] The drug-containing injection device properly aspirates drugs such as anesthetics, drug solutions, and solvents prior to injection. [Structure] An indicator 10 showing a withdrawal limit of the piston 6 within a range between a front end and a rear end of a piston 6 which is placed in a predetermined position of a cylinder cylinder 1 in cooperation with a cap 3 to contain a chemical solution 9. Was provided in the cylinder cylinder 1 to prevent contamination of the chemical liquid 9 and suck an appropriate amount of chemicals.
Description
【０００１】[0001]
本考案はシリンダ筒に所定量の薬剤が封入され、使用するまでその状態で流通 、保管される薬剤入り注射具に関するものである。 The present invention relates to a drug-containing injection device in which a predetermined amount of a drug is enclosed in a cylinder cylinder and is distributed and stored in that state until it is used.
【０００２】[0002]
薬液をアンプルから注射具のシリンダ筒に移して注射する手間を省くため、お よび注射具を繰返し使用することによる病原菌やウイルスの感染の心配をなくす ため、所定量の薬剤を予めシリンダ筒に封入した使い捨てに適する注射具が広く 提供されている。 In order to save the trouble of transferring the drug solution from the ampoule to the cylinder of the injection device and injecting it, and to eliminate the risk of infection of pathogenic bacteria and viruses due to repeated use of the injection device, a predetermined amount of drug is pre-filled in the cylinder. A wide range of injection devices suitable for single use are provided.
【０００３】 即ち、この種の注射具はシリンダ筒先端の注射針取付部にキャップを装着して シリンダ筒の後端から嵌装したピストンロッド先端のピストンの先端側に密封空 間を作り、この空間に所定量の薬剤を封入した構成とするのが普通であり、キャ ップを外して注射針を取付けることによりそのまま注射を行なうことができ、取 扱いがきわめて簡単である。That is, in this type of injection device, a cap is attached to the injection needle mounting portion at the tip of the cylinder tube to create a sealed space at the tip side of the piston at the tip of the piston rod fitted from the rear end of the cylinder tube. Usually, a predetermined amount of drug is enclosed in the space, and the injection can be performed as it is by removing the cap and attaching the injection needle, which is extremely easy to handle.
【０００４】 ところが、薬剤が高粘度の液体である場合、円滑に注射ができるようにかなり 太い注射針を用いる必要があり、そのために注射針を通して麻酔薬をシリンダ筒 に吸引し、先ず麻酔薬を注射して被療者が受ける苦痛を和らげてから目的部位に 薬液を注射することが多い。However, when the drug is a highly viscous liquid, it is necessary to use a fairly thick injection needle so that the injection can be smoothly performed. Therefore, the anesthetic is sucked into the cylinder through the injection needle, and the anesthetic is first injected. It is common to inject the drug solution to the target site after injecting the drug to relieve the suffering of the patient.
【０００５】 また、封入されている薬剤が液体であって直前に別の薬液を加えて注射する必 要があるもの、或いは封入されている薬剤が粉体であって直前に溶媒を加え液状 にして注射する必要があるものもこの種の注射具で取扱うことがある。In addition, the encapsulated drug is a liquid and it is necessary to add another drug solution immediately before injection, or the encapsulated drug is a powder and is immediately added with a solvent to be liquid. Items that need to be injected may be handled with this type of injection device.
【０００６】 このように、予めシリンダ筒に封入されている薬剤に更に別の薬剤類を加える ためにはピストンを引抜き方向へ移動させなければならないが、所定量の薬剤を 封入したこの種の注射具はシリンダ筒に容積目盛を必要としないのでこのような 目盛をもっておらず、そのためにピストン引抜き量を目測して薬剤類の吸引量を 推測している。As described above, in order to add another drug to the drug previously sealed in the cylinder cylinder, the piston must be moved in the pull-out direction, but this type of injection in which a predetermined amount of drug is sealed is required. Since the tool does not need a volume scale on the cylinder, it does not have such a scale. Therefore, the piston withdrawal amount is measured to estimate the drug suction amount.
【０００７】 従って、ピストンを薬剤類吸引のため移動させる距離を予測してこれよりも長 く作っても、必要以上に移動させると所定位置に置かれていたピストンの先端が 後端位置よも後方へ移動してしまうことがある。[0007] Therefore, even if the distance to move the piston for sucking the medicines is predicted and the length is made longer than this, if the piston is moved more than necessary, the front end of the piston placed at a predetermined position is more than the rear end position. It may move backwards.
【０００８】 一方、シリンダ筒内面のピストンおよび薬剤が接している部分は流通、保管の 過程から使用開始まで滅菌状態に保つことができるが、ピストン後方部分は流通 、保管の過程で滅菌包装することにより滅菌状態に保つことができても使用のた め開封したとき病原菌やウイルスが付着する機会がある。そして、これらが付着 している部分までピストン先端が引抜かれると、薬剤がこれらに接触して汚染さ れた薬剤を被療者に注射し感染させる、という事態を招くおそれがある。On the other hand, the part of the inner surface of the cylinder where the piston and the drug are in contact can be kept sterile from the process of distribution and storage to the start of use, but the rear part of the piston must be sterilized and packaged during the process of distribution and storage. Therefore, even if it can be kept sterile, there is an opportunity for pathogens and viruses to attach when opened for use. Then, if the piston tip is pulled out to the portion where these are attached, the drug may come into contact with them and inject the contaminated drug into the patient to cause infection.
【０００９】[0009]
本考案が解決しようとする課題は、シリンダ筒の先端の注射針取付部にキャッ プが装着されるとともに後端からピストンロッド先端のピストンが所定位置に嵌 装されて薬剤をシリンダ筒に封入した従来から知られている前記注射具は、ピス トンをかなり長く作っても使用の際に別の薬剤類を吸引させると病原菌やウイル スが混入して汚染された薬剤を被療者に注射する心配がある、という点である。 The problem to be solved by the present invention is that a cap is attached to the injection needle mounting portion at the tip of the cylinder barrel, and a piston at the tip of the piston rod is fitted in a predetermined position from the rear end to seal the drug in the cylinder barrel. The above-mentioned conventional injection device injects a drug contaminated with pathogens and viruses when a different drug is inhaled during use even if the piston is made for a long time. That is, there is concern.
【００１０】[0010]
前記課題を解決するために、本考案はシリンダ筒の所定位置に置かれたピスト ンの先端と後端との間の範囲内においてピストンの引抜き限度を示す表示を設け る、という構成とした。 In order to solve the above-mentioned problems, the present invention has a structure in which a display indicating the withdrawal limit of the piston is provided within the range between the front end and the rear end of the piston placed at a predetermined position of the cylinder cylinder.
【００１１】[0011]
キャップを外して注射針を取付け薬剤類を吸引するとき、ピストンを先端が表 示を越えない箇所まで引抜く。これにより、薬剤は所定位置に置かれていたピス トンの後端よりも後方のシリンダ筒内面に接触することなく被療者に注射される こととなる。 When the cap is removed and the injection needle is attached to suck drugs, pull out the piston until the tip does not exceed the display. As a result, the drug is injected into the patient without contacting the inner surface of the cylinder cylinder behind the rear end of the piston that was placed at the predetermined position.
【００１２】[0012]
図面を参照して本考案の実施例を説明すると、図１、図２において透明ガラス 製のシリンダ筒１の先端に突設された注射針取付部２に、例えばブチルゴムで作 られたキャップ３がその嵌入孔４を圧入状態で嵌込むことによって気密に装着さ れている。 An embodiment of the present invention will be described with reference to the drawings. In FIG. 1 and FIG. 2, a cap 3 made of, for example, butyl rubber is attached to an injection needle mounting portion 2 protruding from the tip of a transparent glass cylinder cylinder 1. By fitting the fitting hole 4 in a press-fitted state, it is airtightly mounted.
【００１３】 また、ピストンロッド５の先端に例えばねじ嵌合によって固着されたピストン ６がシリンダ筒１の後端から所定位置まで気密に嵌装され、キャップ３とピスト ン６とによって形成されたシリンダ筒１の先端側の密封空間に所定量の薬剤９が 封入されている。A piston 6 fixed to the tip of the piston rod 5 by, for example, screw fitting is airtightly fitted from the rear end of the cylinder cylinder 1 to a predetermined position, and is formed by a cap 3 and a piston 6. A predetermined amount of drug 9 is enclosed in a sealed space on the tip side of the cylinder 1.
【００１４】 ピストン６は例えばブチルゴムで作られ、封入されている薬剤９とは別の麻酔 薬、薬液、溶媒などの薬剤類を吸引するため予測される移動距離よりも大きい長 さを有し、且つ先端と後端および中間にシリンダ筒１の内面に密着しシール材と して働く環状突条７が設けられている。The piston 6 is made of, for example, butyl rubber, and has a length larger than the expected movement distance for sucking drugs such as anesthetic, drug solution, solvent, etc. other than the encapsulated drug 9, In addition, annular protrusions 7 are provided at the front end, the rear end, and the middle so as to come into close contact with the inner surface of the cylinder cylinder 1 and serve as a sealing material.
【００１５】 そして、所定位置に置かれたピストン６の先端と後端との間の範囲内において 、薬剤類の最大吸引量即ちピストン６の引抜き限度を示すための円周方向へ延び る着色細線からなる表示１０がシリンダ筒１に設けられている。即ち、この表示 １０はキャップ３を外して注射針を取付け薬剤類を吸引するときピストン６を先 端がそれよりも後方に位置するまで引抜くと、薬剤類を過度に吸引して薬効を損 ったり被療者に悪影響を与える危険があること、およびシリンダ筒１の内面に付 着している病原菌やウイルスなどを混入する危険があること、を知らせる機能を 有している。A colored thin wire extending in the circumferential direction for indicating the maximum suction amount of the medicines, that is, the withdrawal limit of the piston 6, within a range between the front end and the rear end of the piston 6 placed at a predetermined position. The display 10 is provided on the cylinder cylinder 1. In other words, this indication 10 is that when the cap 3 is removed and the injection needle is attached and the piston 6 is pulled out until the front end is located rearward of that, the drug is excessively sucked and the drug effect is impaired. It also has a function of notifying that there is a risk of adversely affecting the person to be treated and that there is a risk of mixing with pathogens and viruses attached to the inner surface of the cylinder 1.
【００１６】 従ってまた、例えば麻酔薬のように被療者の状態に応じて使用量を調整する必 要のある場合、引抜きつつあるピストン６の先端と表示１０との間隔によって吸 引量を知ることができ使用量を誤らせない、という機能も有している。Therefore, when it is necessary to adjust the amount of use according to the condition of the patient such as an anesthetic, the amount of suction is known from the distance between the tip of the piston 6 and the display 10 which are being pulled out. It also has the function that it can be used without error.
【００１７】 図２は薬剤９に更に加える薬剤類の使用量を調整する必要がある場合に適する 注射具の実施例であって、所定位置に置かれているピストン６の先端と前記表示 １０との間の所定部位において円周方向へ延びる着色細線からなる補助表示１１ を設けた。FIG. 2 shows an embodiment of an injection device suitable for the case where it is necessary to adjust the amount of drugs to be further added to the drug 9, which is the tip of the piston 6 placed at a predetermined position and the display 10. An auxiliary display 11 composed of a colored thin line extending in the circumferential direction is provided at a predetermined portion between the two.
【００１８】 この補助表示１１は薬剤類の標準吸引量または最小吸引量を示す機能を有し、 被療者の状態に応じて補助表示１１を目安にピストン６を引抜くことにより適正 量を吸引して注射することができる。The auxiliary display 11 has a function of indicating the standard suction amount or the minimum suction amount of the medicines, and an appropriate amount is sucked by pulling out the piston 6 with the auxiliary display 11 as a guide according to the condition of the patient. Then you can inject it.
【００１９】 尚、表示１０および補助表示１１は細線に限らず矢印、丸印更にこれらにその 意味を表わす文字を付記したものであってもよいことは勿論である。It is needless to say that the display 10 and the auxiliary display 11 are not limited to thin lines, and may be arrows, circles, or characters with their meanings added.
【００２０】[0020]
以上のように、薬剤を封入してシリンダ筒の所定位置に嵌装されたピストンの 先端と後端との間の範囲内にピストンの引抜き限度を示す表示を設けた本考案に よると、薬剤とは別の麻酔薬、薬液、溶媒などの薬剤類を注射に際してシリンダ 筒に吸引するとき、ピストンを所定位置に置かれていたときの後端よりも後退さ せてシリンダ筒に内面に付着している病原菌やウイルスなどが混入する、という 心配がなくなり安全であるばかりか、薬剤類を適正量吸引して適正な薬効を発揮 させ或いは被療者に悪影響を与える心配なく注射できる、という効果がある。 As described above, according to the present invention, an indication indicating the withdrawal limit of the piston is provided within the range between the front end and the rear end of the piston which is filled with the medicine and is fitted in the predetermined position of the cylinder cylinder. When a different anesthetic, drug solution, solvent, or other drug is sucked into the cylinder during injection, the piston is retracted from the rear end when it was in place and adhered to the inner surface of the cylinder. This is not only safe and eliminates the fear of contamination with pathogenic bacteria and viruses, but it also has the effect of being able to inject an appropriate amount of drugs to achieve proper drug effects or to be injected without fear of adversely affecting the patient. is there.
【図１】本考案の実施例を示す一部切載した正面図。FIG. 1 is a partially cut-away front view showing an embodiment of the present invention.
【図２】本考案の異なる実施例を示す一部切載した正面
図。FIG. 2 is a partially cut-away front view showing a different embodiment of the present invention.
１ シリンダ筒、２ 注射針取付部、３ キャップ、５
ピストンロッド、６ピストン、９ 薬剤、１０ 表
示、1 cylinder cylinder, 2 injection needle mounting part, 3 cap, 5
Piston rod, 6 piston, 9 drug, 10 display,
Claims (1)
ップが装着されるとともに後端からピストンロッド先端
のピストンが所定位置に嵌装されて薬剤を前記シリンダ
筒に封入している薬剤入り注射具において、前記シリン
ダ筒の前記所定位置に置かれたピストンの先端と後端と
の間の範囲内において前記ピストンの引抜き限度を示す
表示が設けられていることを特徴とする薬剤入り注射
具。1. A drug-containing injection in which a cap is attached to an injection needle mounting portion at a tip of a cylinder cylinder, and a piston at a tip of a piston rod is fitted in a predetermined position from a rear end to enclose a drug in the cylinder cylinder. The drug-injection device according to claim 1, wherein a display indicating a withdrawal limit of the piston is provided within a range between a front end and a rear end of the piston placed at the predetermined position of the cylinder cylinder.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993014004U JP2604597Y2 (en) | 1993-03-02 | 1993-03-02 | Drug injection |
| DE69427751T DE69427751T2 (en) | 1993-03-02 | 1994-03-01 | A SYRINGE CONTAINING A MEDICINE |
| PCT/JP1994/000331 WO1994020161A1 (en) | 1993-03-02 | 1994-03-01 | Drug-containing syringe |
| AT94907710T ATE203172T1 (en) | 1993-03-02 | 1994-03-01 | A SYRINGE CONTAINING MEDICINE |
| CN94191352A CN1118577A (en) | 1993-03-02 | 1994-03-01 | Drug-containing syringe |
| CA002157199A CA2157199A1 (en) | 1993-03-02 | 1994-03-01 | Medication filled syringe equipment |
| EP94907710A EP0687477B1 (en) | 1993-03-02 | 1994-03-01 | Drug-containing syringe |
| KR1019950703739A KR960700771A (en) | 1993-03-02 | 1994-03-01 | Drug-containing syringe |
| RU9595121729A RU2100034C1 (en) | 1993-03-02 | 1994-03-01 | Syringe to fill in medicinal preparations |
| US08/495,624 US5615772A (en) | 1993-03-02 | 1994-03-01 | Medication filled syringe equipment |
| FI954107A FI954107A7 (en) | 1993-03-02 | 1994-03-01 | Syringe containing medication |
| NO953436A NO953436L (en) | 1993-03-02 | 1995-09-01 | the syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993014004U JP2604597Y2 (en) | 1993-03-02 | 1993-03-02 | Drug injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0666692U true JPH0666692U (en) | 1994-09-20 |
| JP2604597Y2 JP2604597Y2 (en) | 2000-05-22 |
Family
ID=11849076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993014004U Expired - Lifetime JP2604597Y2 (en) | 1993-03-02 | 1993-03-02 | Drug injection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2604597Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006006791A (en) * | 2004-06-29 | 2006-01-12 | Daikyo Seiko Ltd | Rubber stopper for sealing injection nozzle of pre-filed syringe |
| JP2018500109A (en) * | 2014-12-23 | 2018-01-11 | メルツ ファーマ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディト ゲゼルシャフト アウフ アクティーン | Botulinum toxin prefilled container |
-
1993
- 1993-03-02 JP JP1993014004U patent/JP2604597Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006006791A (en) * | 2004-06-29 | 2006-01-12 | Daikyo Seiko Ltd | Rubber stopper for sealing injection nozzle of pre-filed syringe |
| JP2018500109A (en) * | 2014-12-23 | 2018-01-11 | メルツ ファーマ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディト ゲゼルシャフト アウフ アクティーン | Botulinum toxin prefilled container |
| US11167090B2 (en) | 2014-12-23 | 2021-11-09 | Merz Pharma Gmbh & Co. Kgaa | Botulinum toxin prefilled container |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2604597Y2 (en) | 2000-05-22 |
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