WO1997002847A1 - Extension pipe for catheters - Google Patents

Extension pipe for catheters Download PDF

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Publication number
WO1997002847A1
WO1997002847A1 PCT/JP1996/001896 JP9601896W WO9702847A1 WO 1997002847 A1 WO1997002847 A1 WO 1997002847A1 JP 9601896 W JP9601896 W JP 9601896W WO 9702847 A1 WO9702847 A1 WO 9702847A1
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WIPO (PCT)
Prior art keywords
tube
branch
catheter
extension tube
extension
Prior art date
Application number
PCT/JP1996/001896
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French (fr)
Japanese (ja)
Inventor
Kazumi Kito
Original Assignee
Hoyu Medical Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoyu Medical Co., Ltd. filed Critical Hoyu Medical Co., Ltd.
Publication of WO1997002847A1 publication Critical patent/WO1997002847A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A61M3/0279—Cannula; Nozzles; Tips; their connection means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/70—Gravity drainage systems

Abstract

An extension pipe for catheters which enables medication or connection with washing utensils witout disconnecting the catheterizing tube from a catheter body. The pipe comprises a nipple (7) and a branching pipe (5) fitted to the bottom thereof, one branch of the pipe (5) being integrally formed from polyvinyl chloride together with a branch tube (6) to be connected thereto, while the other branch of the pipe (5) being connected to a catheterizing tube (1), which in turn is connected to a urine collecting bag (2).

Description

明 細 書 カテーテル延長チューブ 技術分野  Description Catheter extension tube Technical field
本発明は、 例えば排尿機能が低下した患者の外尿道口から膀胱内に 挿し込んで留置したカテーテルに接続し、 蓄尿袋に尿を採取する導尿 管や、 開腹手術後、 体内に挿入させたカテーテルを介して体内から膿 などを排出するに際して使用される排膿管等、 カテーテルに接続され る延長チューブに関する。 背景技術  In the present invention, for example, a patient with reduced urinary function was inserted into the bladder from the external urethral opening and connected to a catheter placed there, and a urinary tube for collecting urine in a urine storage bag, or inserted into the body after open surgery The present invention relates to an extension tube connected to a catheter, such as a drainage tube used for draining pus and the like from the body via a catheter. Background art
従来よ り、 導尿管ゃ排膿管に代表されるカテーテル延長チューブ Conventionally, catheter extension tubes represented by ureters and drainage tubes
(以下単に延長チューブとのみ称する） と しては、 図 6に示す構造の 延長チューブが知られている。 ここで、 かかる延長チューブを導尿管 として使用した場合を例にとって従来の延長チューブにっき図 6に基 づき説明する。 An extension tube having the structure shown in FIG. 6 is known as an extension tube. Here, a case where such an extension tube is used as a urinary canal will be described with reference to FIG. 6 for a conventional extension tube.
図 6において、 延長チューブとしての導尿管 1 は、 その先端にカテ 一テル接続部としてのニップル 7を有し、 また、 その基端には蓄液パ ッグ 2 (蓄尿袋） がー体に装着、 或は着脱自在に取り付けられるよう になっている。 このように従来の導尿管 1 は、 1本の管のみで構成さ れていた。  In FIG. 6, a urinary tract 1 as an extension tube has a nipple 7 as a catheter connecting portion at a distal end thereof, and a liquid storage bag 2 (urine storing bag) at a proximal end thereof. It is designed to be attached to or detachable from a computer. As described above, the conventional urinary tract 1 is composed of only one tube.
ところで、 カテーテル 1 1は、 一般に、 体内から不要な液体を排出 するためばかりでなく、 逆に体内へ洗浄液や薬剤を注入するためにも 利用される。  By the way, the catheter 11 is generally used not only for discharging unnecessary liquid from the body but also for injecting a cleaning solution or a drug into the body.
従って、 前記導尿管 1 を例に採ると、 導尿中に膀胱洗浄を行なう場 7 P 60 Therefore, taking urinary tract 1 as an example, if urinary bladder washing is performed during urination, 7 P 60
2 合は、 カテーテル 1 1 とニヅプル 7 との接続を解除して、 カテーテル 1 1 と導尿管 1 との接続を一旦外し、 ィルリゲ一夕やジャーネ氏洗浄 器等の洗浄具、 或は大型の注射器の先端をカテーテル 1 1 と挿し換え していた。  2) Disconnect the catheter 11 from the nipple 7 and disconnect the catheter 11 from the urinary tubing 1 once. The tip of the syringe was replaced with catheter 11.
この挿し換え操作においては、 カテーテル 1 1の接続部からカテ一 テル 1 1内に細菌が混入する機会を与えることになつて、 尿路感染を 招いたり、 接続を外した際に尿が漏れる可能性があるため、 衛生上好 ましくないばかりか、 挿し換え操作が煩雑であった。 発明の開示  In this replacement operation, there is an opportunity for bacteria to enter the catheter 11 from the connection portion of the catheter 11, thereby causing urinary tract infection or urine leakage when the connection is disconnected. Not only was it unfavorable in terms of hygiene, but the replacement operation was complicated. Disclosure of the invention
本発明は、 前記従来の延長チューブにおける問題点を解消するため になされたものであり、 カテーテルとカテーテル接続部を取り外すこ とに起因して発生する細菌感染防止を可能とするとともに、 力テーテ ルと延長チューブとの挿し換え作業の煩雑さを排除可能とする延長チ ュ一ブを提供することを目的とする。  The present invention has been made in order to solve the problems of the conventional extension tube, and it is possible to prevent bacterial infection caused by removing a catheter and a catheter connection portion, and to provide a force table. It is an object of the present invention to provide an extension tube which can eliminate the complexity of the work of replacing the extension tube with the extension tube.
前記目的を達成するため、 本発明に係るカテーテル延長チューブは、 先端にカテーテル接続部を有し、 基端に蓄液バッグを装着可能と した カテーテル延長チューブであって、 チューブの適宜部位に分岐部を設 け、 その分岐部から分岐チューブを導出し、 その先端に着脱可能な閉 塞キャップを設けた構成を有する。 ここに、 分岐チューブは可撓性 を有し、 鉗子等の圧止部材を介して圧止可能とすべく所定長さに形成 し、 また、 分岐部をカテーテル接続部の付け根に設け、 分岐部、 カテ 一テル接続部及び分岐チューブを塩化ビニール、 ポリエチレン、 ポリ プロピレン等の軟質合成樹脂にて一体形成することもできる。  In order to achieve the above object, a catheter extension tube according to the present invention is a catheter extension tube having a catheter connection portion at a distal end thereof, and a liquid storage bag capable of being attached to a proximal end thereof. And a branch tube is led out from the branch part, and a detachable closing cap is provided at the tip. Here, the branch tube has flexibility and is formed to have a predetermined length so as to be able to be stopped by a pressing member such as forceps, and a branch portion is provided at the base of the catheter connection portion. In addition, the catheter connecting portion and the branch tube can be integrally formed of a soft synthetic resin such as vinyl chloride, polyethylene, or polypropylene.
本発明のカテーテル延長チューブでは、 カテーテルを体内に留置し た状態で採尿や排膿を行う場合、 分岐チューブの先端に閉塞キヤ ップ を装着して尿や膿が分岐チューブから流出しないようにしておけば、 尿や膿はカテーテルからカテーテル接続部、 カテーテル延長チューブ を介して蓄液バッグ内に導出されて貯留され、 一方、 膀胱等の洗浄を 行う場合には、 分岐チューブの先端に装着された閉塞キャップを取り 外した後、 分岐チューブに洗浄具や薬剤注入器に接続すれば膀胱等の 洗浄を行う ことが可能となる。 In the catheter extension tube of the present invention, when urinating or draining urine while the catheter is kept in the body, an occlusion cap is placed at the tip of the branch tube. If urine and pus are prevented from flowing out of the branch tube by wearing a urine or pus, the urine or pus is led out of the catheter via the catheter connection section and the catheter extension tube into the liquid storage bag, where it is stored. To clean the bladder, the bladder can be cleaned by removing the obstruction cap attached to the end of the branch tube and connecting the branch tube to a cleaning tool or a drug injector.
このように、 本発明のカテーテル延長チューブによれば、 膀胱等の 洗浄時に、 カテーテルとカテーテル接続部との接続を外すことな く、 洗浄具や薬剤注入器を分岐チューブに接続すれば、 洗浄液や薬剤を注 入できる。 これによ り、 カテーテルとカテーテル接続部とを取り外す ことに起因して発生するカテーテルの細菌感染を確実に防止すること ができるとともに、 カテーテルとカテーテル延長チューブとを揷し換 える煩雑な作業を排除することができる。  Thus, according to the catheter extension tube of the present invention, when cleaning the bladder or the like, by connecting the cleaning tool or the drug injector to the branch tube without disconnecting the catheter from the catheter connection portion, the cleaning liquid or the like can be obtained. Drugs can be injected. As a result, bacterial infection of the catheter caused by removing the catheter and the catheter connection portion can be reliably prevented, and the complicated work of replacing the catheter with the catheter extension tube is eliminated. can do.
前記のように膀胱等の洗浄を行う際に発生する分岐チューブへの逆 流は、 鉗子等の圧止部材で可撓性の分岐チューブを圧止することによ り対応でき、 また、 分岐部をカテーテル接続部の付け根に設け、 分岐 チューブを短かく すれば、 邪魔にな りにく い。  The backflow to the branch tube that occurs when the bladder or the like is washed as described above can be dealt with by pressing the flexible branch tube with a pressing member such as forceps or the like. It is hard to get in the way if you place a tube at the base of the catheter connection and shorten the branch tube.
また、 分岐チューブには、 カテーテル接続部方向に対して流体の通 過を許容する逆止弁を設けることもでき、 更に、 分岐部には、 三方弁 を配設することもできる。  Further, the branch tube may be provided with a check valve which allows the passage of fluid in the direction of the catheter connecting portion. Further, the branch portion may be provided with a three-way valve.
このように、 分岐チューブに逆止弁を設ければ、 分岐チューブをい ちいち閉塞しなくても済むし、 分岐部に三方弁を設ければ、 その三方 弁を切り換えることによ り、 チューブの閉塞操作は不要となる。 図面の簡単な説明  In this way, if a check valve is provided in the branch tube, it is not necessary to close the branch tube in any case. If a three-way valve is provided in the branch part, the three-way valve is switched, and the tube is switched. No need to close the window. BRIEF DESCRIPTION OF THE FIGURES
図 1 は、 本発明に係る延長チューブの実施例である導尿管の説明図 である。 図 2は、 使用例の説明図である。 図 3は、 第 1変更例の説明 図である。 図 4は、 第 2変更例の説明図である。 図 5は、 第 3変更例 の説明図である。 図 6は、 従来例の説明図である。 発明を実施するための最良の形態 FIG. 1 is an explanatory view of a ureter tube which is an embodiment of an extension tube according to the present invention. It is. FIG. 2 is an explanatory diagram of a usage example. FIG. 3 is an explanatory diagram of a first modification. FIG. 4 is an explanatory diagram of the second modification. FIG. 5 is an explanatory diagram of a third modification. FIG. 6 is an explanatory diagram of a conventional example. BEST MODE FOR CARRYING OUT THE INVENTION
本発明に係る延長チューブを、 導尿チューブについて具体化した実 施形態を図面に基づいて説明する。  An embodiment in which the extension tube according to the present invention is embodied as a urinary tube will be described with reference to the drawings.
図 1において、 1は延長チューブに相当する導尿管であり、 その基 端には、 透光性を有した合成樹脂製シ一トを二枚合わせてその周縁を シールすることによつて形成された蓄液バッグとしての蓄尿袋 2が取 り付けられている。 蓄尿袋 2は、 四辺形の下部両脇を斜めに力ッ ト し た六角形を呈し、 表面には目盛が印刷されていると共に、 下端部には ドレンパイブ 3が装備され、 上端部には把持部 4が切り抜き形成され ている。  In FIG. 1, reference numeral 1 denotes a urethral tube corresponding to an extension tube, which is formed at its base end by combining two sheets of light-transmitting synthetic resin and sealing the peripheral edge thereof. A urine storage bag 2 as a liquid storage bag is attached. The urine storage bag 2 has a hexagonal shape with diagonally lower sides on the quadrilateral, scales printed on the surface, a drain pipe 3 at the lower end, and a grip at the upper end. The part 4 is cut out and formed.
前記ドレンパイプ 3は、 常態において圧止部材 3 aで閉塞され、 先 端を係止体 3 bへ係止させることにより、 斜め上方に屈曲させた状態 に支持されている。  The drain pipe 3 is normally closed by a pressing member 3a, and is supported in a state of being bent obliquely upward by locking a front end thereof to a locking body 3b.
前記導尿管 1の先端は、 分岐部 Aを構成する二股に分かれた分岐管 5における一方の分岐口に接続されている。  The distal end of the urinary tract 1 is connected to one branch port of a bifurcated branch pipe 5 constituting the branch part A.
又その分岐管 5の他方の分岐口には分岐チューブ 6が接続されてお り、 分岐管 5は、 カテーテル 1 1 との接続部であるニヅプル 7の付け 根に、 そのニヅプル 7 と分岐チューブ 6 と共に、 塩化ビニールにより 一体形成されている。 これよ り分岐チューブ 6は可撓性を有する。 更に分岐チューブ 6の先端開放口には、 ねじ込み式の閉塞キャップ 8が装備され、 蓄尿袋 1の上部片隅にはエアフィルタ 9が設けられて いる。 J A branch tube 6 is connected to the other branch port of the branch tube 5. The branch tube 5 is connected to the base of a nipple 7 that is a connection portion with the catheter 11, the nipple 7 and the branch tube 6. At the same time, it is integrally formed of vinyl chloride. Thus, the branch tube 6 has flexibility. Further, a screw-in type closing cap 8 is provided at an open end of the branch tube 6, and an air filter 9 is provided at one upper corner of the urine storage bag 1. J
5 前記導尿管 1 も可撓性に富み、 その導尿管 1 には圧止部材 1 0が付 属されていて、 その圧止部材 1 0によ り導尿管 1 を適宜閉塞可能とな つている。 、  5 The urinary canal 1 is also very flexible, and the urinary canal 1 is provided with a pressing member 10 so that the urinary canal 1 can be appropriately closed by the pressing member 10. It is. ,
このように形成された導尿管 1 は、 ニップル 7に、 例えばフォーリ —バルーンカテーテルやマレコ ッ トカテーテル等といった留置専用夕 イブのカテーテル 1 1 を接続し、 そのカテーテル 1 1 を外尿道口から 膀胱内に挿し込んで留置させれば、 腹圧を加えることによって、 膀胱 内に溜っている尿を蓄尿袋 2内に導出できる。  The urinary tract 1 formed in this way is connected to the nipple 7 with a catheter 11 for exclusive use for indwelling, such as a Foley-balloon catheter, a malecot catheter, etc. If the urine is accumulated in the bladder by applying abdominal pressure, the urine accumulated in the bladder can be led out into the urine bag 2.
膀胱内の洗浄をする場合は、 図 2に示す如く、 分岐管 5を力テーテ ル 1 1 に接続させたまま、 導尿管 1 を付属の圧止部材 1 0で閉塞する と共に、 分岐チューブ 6を鉗子 1 2で閉塞し、 閉塞キャ ップ 8 を外し てそこに洗浄器具 1 3 を接続した後、 鉗子 1 2 を外して分岐チューブ 6を開放するだけで、 いちいち導尿管 1 をカテーテル 1 1 から抜き外 さなくて済む。  In order to clean the inside of the bladder, as shown in FIG. 2, the urinary tract 1 is closed with the attached stopper 10 while the branch tube 5 is connected to the force table 11, and the branch tube 6 is connected. After closing the occlusion cap 8 and connecting the cleaning device 13 to it, simply remove the forceps 12 and open the branch tube 6 to connect the urinary tract 1 to the catheter 1 each time. You do not need to remove it from 1.
薬剤注入に際しても操作は同様である。  The operation is the same when injecting a drug.
本実施形態の導尿管 1 は、 分岐チューブ 6 とニップル 7 とが分岐管 5 と一体形成されているから、 細菌の入り込む余地がなく、 極めて衛 生的であるばかりか、 それらが一か所に集中されたことによ り邪魔に ならないし、 特に軟質合成樹脂製の短かい導尿管 1 としたことで、 肌 に触れても違和感が少ない。  Since the branch tube 6 and the nipple 7 are formed integrally with the branch tube 5 in the urinary tract 1 of the present embodiment, there is no room for bacteria to enter, and the tube is extremely sanitary. The short urinary tract 1 made of soft synthetic resin makes it less uncomfortable to touch the skin.
この一体形成される分岐管 5には、 塩化ビニル以外にも、 ポリェチ レンやポリ プロピレン等、 軟質で可撓性のある合成樹脂材が好適に使 用できる。  For the integrally formed branch pipe 5, a soft and flexible synthetic resin material such as polyethylene or polypropylene can be suitably used in addition to vinyl chloride.
本実施形態の導尿管 1 は、 その基端に蓄尿袋 2が取り付けられ、 そ の蓄尿袋 2は取り外しができない構造となっているが、 蓄尿袋 2を取 り外し可能としても差し支えなく、 分岐部 Aの位置、 分岐チューブ 6 の長さ等も自由に設定できる。 The urinary canal 1 of the present embodiment has a structure in which a urine storage bag 2 is attached to the base end thereof and the urine storage bag 2 cannot be removed.However, the urine storage bag 2 may be removable. Branch A position, branch tube 6 Can be set freely.
又、 図 3に例示する第 1変更例におけるように、 分岐チューブ 6の 先端に、 例えば弁膜 1 4 aの中央に X状の切り込みを有した逆止弁 1 4を設け、 或は、 図 4に例示する第 2変更例におけるように、 分岐部 Aに三方弁 1 5を設けて切り換え可能に構成し、 洗浄液や薬剤注入に 際し、 分岐チューブ 6をいちいち閉塞しなくても逆流が防止されるよ うにすることができる。  Further, as in the first modified example illustrated in FIG. 3, a check valve 14 having an X-shaped cut at the center of the valve membrane 14a is provided at the distal end of the branch tube 6, for example. As shown in the second modified example, a three-way valve 15 is provided at the branch part A so as to be switchable. You can make it work.
本発明の延長チューブは導尿管 1 に限定されるものでなく、 図 5に 示す第 3変更例の如く、 排膿管 1 ' の途中から分岐チューブ 6 を導出 させた排膿用の延長チューブ等にも適用され、 排膿用の延長チューブ では、 分岐チューブ 6にも圧止部材 1 0， を付属させることが望ま し く、 その場合、 圧止部材 1 0 ， の位置はどこでもかまわないし、 移動 可能とすれば操作性に優れる。  The extension tube of the present invention is not limited to the urinary canal 1, but as in the third modified example shown in FIG. 5, an extension tube for drainage in which the branch tube 6 is led out of the drainage tube 1 '. In the extension tube for drainage, it is desirable that the branch tube 6 is also provided with a stop member 10, in which case, the position of the stop member 10, may be anywhere. Operability is excellent if it can be moved.
尚、 分岐チューブ 6には、 鉗子 1 2を利用して閉塞する場合を考慮 して、 少な く とも鉗子 1 2 にて圧止可能な 1 cm程度の長さの可撓部 を設ける必要があるが、 長い可撓性チューブと し、 鉗子 1 2の代わ り に圧止部材を利用した り、 部分的に可撓部を設けた り、 差し込み式の キャップを採用するなど適宜変更して差し支えない。  In addition, in consideration of the case where the branch tube 6 is closed using the forceps 12, it is necessary to provide at least a flexible portion having a length of about 1 cm which can be pressed by the forceps 12. However, a long flexible tube may be used, instead of the forceps 12, a press-fitting member may be used, a flexible portion may be partially provided, or a plug-in type cap may be used. .
又、 蓄液バッグ 2の形態は実施形態に限定されず、 瓶や缶の代用も 可能である。 産業上の利用可能性  Further, the form of the liquid storage bag 2 is not limited to the embodiment, and a bottle or a can can be used instead. Industrial applicability
本発明によれば、 延長チューブの途中から分岐チューブを導出させ たことによ り、 器具を接続するための抜き挿し操作に起因した細菌感 染が防止され、 手際良く処置することが可能となる。  According to the present invention, since the branch tube is led out from the middle of the extension tube, bacterial infection due to the insertion / removal operation for connecting the device is prevented, and the treatment can be performed efficiently. .
そして分岐部をカテーテル連結部の付け根に設け、 分岐部とカテ一 テル連結部及び短かい分岐チューブとを軟質合成樹脂材で一体形成し たものとすれば、 装着していても邪魔にな りにく く、 肌に触れても違 和感が少ない。 Then, a bifurcation is provided at the base of the catheter connection part, and the bifurcation and the catheter If the tell connection and the short branch tube are integrally formed of a soft synthetic resin material, they will not be in the way even when worn, and will not feel uncomfortable even when touching the skin.
又、 分岐チューブに逆止弁を設けたり、 分岐部に三方弁を設ければ、 延長チューブと分岐チューブとの切り換え操作が、 圧止部材ゃ鉗子を 使用することなく ワン夕ツチで行なえる。  Also, if a check valve is provided in the branch tube or a three-way valve is provided in the branch portion, the switching operation between the extension tube and the branch tube can be performed with a one-touch switch without using the pressing member and the forceps.

Claims

請 求 の 範 囲 The scope of the claims
1 . 先端にカテーテル接続部を有し、 基端に蓄液バッグを装着可能と したカテーテル延長チューブであって、 そのチューブの適宜部位に分 岐部を設け、 その分岐部から分岐チューブを導出し、 その先端に着脱 可能な閉塞キャップを設けたカテーテル延長チューブ。 1. A catheter extension tube having a catheter connection at the distal end and a liquid storage bag attachable to the proximal end. A branch is provided at an appropriate portion of the tube, and the branch tube is led out from the branch. A catheter extension tube provided with a detachable closure cap at its tip.
2 . 前記分岐チューブは可撓性を有し、 圧止部材を介して圧止可能と すべく所定長さに形成されていることを特徴とする請求項 1 に記載の カテーテル延長チューブ。 2. The catheter extension tube according to claim 1, wherein the branch tube has flexibility and is formed to have a predetermined length so as to be able to be closed by a pressing member.
3 . 前記圧止部材は鉗子であることを特徴とする請求項 2に記載の力 テ——テノレ延長チュ——フ 0 . 3 The圧止member force according to claim 2, characterized in that the forceps Te - Tenore extension Ju - off 0
4 . 前記分岐部がカテーテル接続部の付け根に設けられ、 分岐部、 力 テーテル接続部及び分岐チューブが、 軟質合成樹脂にて一体形成され ていることを特徴とする請求項 1 に記載のカテーテル延長チューブ。  4. The catheter extension according to claim 1, wherein the branch portion is provided at a base of the catheter connection portion, and the branch portion, the force catheter connection portion, and the branch tube are integrally formed of a soft synthetic resin. tube.
5 . 前記軟質合成樹脂は、 塩化ビニール、 ポリエチレン又はポリプロ ピレンであることを特徴とする請求項 4に記載のカテーテル延長チュ 一ブ。 5. The catheter extension tube according to claim 4, wherein the soft synthetic resin is vinyl chloride, polyethylene, or polypropylene.
6 . 前記分岐チューブには、 カテーテル接続部の方向に対して流体の 通過を許容する逆止弁を設けたことを特徴とする請求項 1 に記載の力 テ一テル延長チューブ。  6. The force tube extension tube according to claim 1, wherein the branch tube is provided with a check valve that allows the passage of a fluid in the direction of the catheter connection portion.
7 . 前記分岐部に三方弁を配設したことを特徴とする請求項 1 に記載 のカテーテル延長チューブ。  7. The catheter extension tube according to claim 1, wherein a three-way valve is provided at the branch portion.
PCT/JP1996/001896 1995-07-11 1996-07-08 Extension pipe for catheters WO1997002847A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7175138A JP2819260B2 (en) 1995-07-11 1995-07-11 Catheter extension tube
JP7/175138 1995-07-11

Publications (1)

Publication Number Publication Date
WO1997002847A1 true WO1997002847A1 (en) 1997-01-30

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JP (1) JP2819260B2 (en)
CN (1) CN1148508A (en)
WO (1) WO1997002847A1 (en)

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CN1148508A (en) 1997-04-30
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