JPH05212114A - Liquid transfusion octopus tube with mixed injection part and its manufacture - Google Patents
Liquid transfusion octopus tube with mixed injection part and its manufactureInfo
- Publication number
- JPH05212114A JPH05212114A JP4047888A JP4788892A JPH05212114A JP H05212114 A JPH05212114 A JP H05212114A JP 4047888 A JP4047888 A JP 4047888A JP 4788892 A JP4788892 A JP 4788892A JP H05212114 A JPH05212114 A JP H05212114A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- mixed injection
- infusion
- members
- injection member
- 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
- 239000007924 injection Substances 0.000 title claims abstract description 91
- 238000002347 injection Methods 0.000 title claims abstract description 91
- 241000238413 Octopus Species 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title abstract description 11
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 31
- 239000000057 synthetic resin Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000001802 infusion Methods 0.000 claims description 45
- 239000003978 infusion fluid Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 6
- 239000003566 sealing material Substances 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims 1
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 239000012858 resilient material Substances 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 12
- 239000005060 rubber Substances 0.000 description 12
- -1 polyethylene Polymers 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000000496 cardiotonic agent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
【０００１】[0001]
【技術分野】本発明は、輸液セットに装着して輸液中の
気泡を除去するために使用するタコ管とその製造方法に
関するものである。さらに詳しくは、混注部を設けたタ
コ管とその製造方法に関する。TECHNICAL FIELD The present invention relates to an octopus tube which is mounted on an infusion set and used to remove bubbles in the infusion solution, and a method for manufacturing the same. More specifically, it relates to a tacho tube provided with a mixed injection section and a method for manufacturing the same.
【０００２】[0002]
【従来技術】輸液セットは、瓶針、点滴筒、チューブ、
ゴム管、タコ管、静脈針などを連結して構成してなり、
チューブには流量を調節するためのクランプが装着され
ている。タコ管は輸液中に混入した気泡が体内に流入す
るのを防止するためのものであり、中央部には空気溜め
が設けられていて、両端にはゴム管と静脈針にそれぞれ
接続するための接続部が形成されている。したがって、
タコ管は両端が細く中央が太い形状になっている。一
方、輸液セットには、他の薬剤を混注するために混注部
品を接続したものがあるが、ゴム管を利用して混注を行
うこともある。また、実公昭５１−４６３１８号公報、
実公昭５２−４９２７８号公報および実公昭５５−５５
０６８号公報などには、タコ管の空気溜めの部分を開口
させ、この部分にゴムキャップを被嵌して混注部とした
ものが提案されている。BACKGROUND OF THE INVENTION Infusion sets consist of bottle needles, drip tubes, tubes,
Made by connecting rubber tube, octopus tube, venous needle, etc.,
The tube is equipped with a clamp for adjusting the flow rate. The octopus tube is used to prevent air bubbles mixed in the infusion from entering the body, an air reservoir is provided in the center, and both ends are connected to a rubber tube and a venous needle, respectively. A connecting portion is formed. Therefore,
The octopus tube has a thin shape at both ends and a thick center. On the other hand, some infusion sets are connected with mixed injection parts for mixed injection of other drugs, but mixed injection may be performed using a rubber tube. In addition, Japanese Utility Model Publication No. 51-46318,
JP-B-52-49278 and JP-B-55-55
Japanese Patent No. 068 and the like propose a mixture injection part in which an air reservoir part of the tacho tube is opened and a rubber cap is fitted to this part.
【０００３】[0003]
【目的】混注部品を輸液セットに接続したりゴム管を設
けたりすると、部品点数が多くなるので製造コストが上
昇する。またゴムは溶出物が多いので、安全性の面から
はゴムの使用量はできるだけ少ない方がよい。また前記
の実用新案公報に開示されているように、タコ管にゴム
キャップを被嵌する方法では、被嵌部から液が漏れたり
ゴムキャップが外れたりする恐れがあり、実用上問題が
ある。本発明は、上記の従来技術の問題を解決すること
を目的とする。[Purpose] If a mixed injection part is connected to an infusion set or a rubber tube is provided, the number of parts will increase and the manufacturing cost will increase. Also, since rubber contains a large amount of eluate, it is better to use as little rubber as possible in terms of safety. Further, as disclosed in the above-mentioned utility model publication, the method of fitting the rubber cap to the tacho tube has a problem in practical use because liquid may leak from the fitted portion or the rubber cap may come off. The present invention aims to solve the problems of the prior art described above.
【０００４】[0004]
【構成】本発明の第１は、管状本体と、該本体上面部に
空気溜め突出部を有する輸液用タコ管において、前記突
出部の一部の壁が注入針により穿刺可能、かつ、該穿刺
に対し自己シール性のある材料で形成されている混注部
材であることを特徴とする輸液用タコ管に関する。本発
明の第２は、輸液用タコ管の構造が管状本体と該本体上
面部に設けられた空気溜め突出部の一部の壁に混注部材
を設けることのできる開口部を有するタコ管を、該開口
部で前後に分断した形状を有する二つの部材と注入針に
より穿刺可能、かつ、該穿刺に対し自己シール性のある
材料で形成される混注部材を当接し、接合した構造のも
のであることを特徴とする前記輸液用タコ管に関する。
本発明の第３は、前記混注部材と前記二つの部材の壁の
接合部が、前者と後者のそれぞれに設けた段部による係
合構造を有することを特徴とする前記の輸液用タコ管に
関する。本発明の第４は、前記混注部と前記二つの部材
の壁の当接部を、合成樹脂で被覆することによって、該
混注部と二つの部材が一体化されていることを特徴とす
る前記の輸液用タコ管に関する。本発明の第５は、前記
合成樹脂による混注部と突出部の当接部の被覆が、合成
樹脂の射出により形成されていることを特徴とする前記
第４の輸液用タコ管に関する。本発明の第６は、内部に
濾過部材を有することを特徴とする前記の各輸液用タコ
管に関する。本発明の第７は、管状本体と該本体上面部
に設けた空気溜め突出部の一部の壁に混注部材を設ける
ことのできる開口部を有するタコ管を該開口部で前後に
分断した形状を有する二つの部材を、注入針により穿刺
可能、かつ、該穿刺に対し自己シール性のある材料で形
成された混注部材を形成する部材片を介して突合せる
か、あるいは前記二つの部材を突合せ、形成した開口部
に前記混注部材片を挿入した後に、前記二つの部材片と
前記混注部材片との当接部に合成樹脂を被覆することを
特徴とする輸液用タコ管の製造方法に関する。本発明の
第８は、管状本体と該本体上面部に設けた空気溜め突出
部の一部の壁に注入針により穿刺可能、かつ、該穿刺に
対し自己シール性のある材料で形成される混注部材を設
けることのできる開口部を有するタコ管を該開口部で前
後に分断した形状を有する二つの部材を、前記混注部材
を形成する部材片を介して金型中で突合せ、次に前記二
つの部材片と前記混注部材片との当接部に合成樹脂を射
出し、該当接部に合成樹脂を被覆することを特徴とする
輸液用タコ管の製造方法に関する。本発明の第９は、管
状本体と該本体上面部に設けた空気溜め突出部の一部の
壁に混注部材を設けることのできる開口部を有するタコ
管を該開口部で前後に分断した形状を有する二つの部材
を金型中で突合せ、次に該突き合わせた二つの部材によ
って形成された開口部に合成樹脂を射出し、該開口部に
注入針により穿刺可能、かつ、該穿刺に対し自己シール
性のある材料で形成される混注部材を形成し、さらに所
望により前記二つの部材片と前記混注部材片との当接部
に合成樹脂を射出し、該当接部に合成樹脂を被覆するこ
とを特徴とする輸液用タコ管の製造方法に関する。本発
明の１０は、前記二つの部材を突合わせる前に、該二つ
の部材の片方または双方の内部に濾過材を固着すること
を特徴とする前記各輸液用タコ管に関する。本発明の第
１１は、前記第１、２、３、４、５または６記載の輸液
用タコ管を使用した輸液セットに関する。According to a first aspect of the present invention, in a transfusion octopus tube having a tubular main body and an air reservoir projecting portion on the upper surface of the main body, a part of the wall of the projecting portion can be punctured by an injection needle, and the puncturing can be performed. On the other hand, the present invention relates to a transfusion octopus tube, which is a mixed injection member formed of a material having a self-sealing property. A second aspect of the present invention is a structure in which an infusion taco tube has a tubular main body and an tacho tube having an opening in which a mixed injection member can be provided on a part of the wall of an air reservoir projection provided on the upper surface of the main body. It has a structure in which two members having a shape divided into front and rear at the opening and a mixed injection member which can be punctured by an injection needle and which is self-sealing with respect to the puncture are in contact with and joined to each other. The present invention relates to the infusion octopus tube.
A third aspect of the present invention relates to the infusion taco tube as set forth above, characterized in that the joint portion between the walls of the mixed injection member and the two members has an engagement structure with a step provided on each of the former and the latter. . A fourth aspect of the present invention is characterized in that the mixed injection part and the two members are integrated by coating a contact part between the mixed injection part and the wall of the two members with a synthetic resin. Octopus tube for infusion. A fifth aspect of the present invention relates to the fourth infusion taco tube according to the fourth aspect, characterized in that the coating of the contact portion between the mixed injection portion and the protruding portion made of the synthetic resin is formed by injection of the synthetic resin. A sixth aspect of the present invention relates to the above-mentioned infusion taco tubes, each of which has a filtering member inside. A seventh aspect of the present invention is a shape in which a tubular main body and an tacho tube having an opening through which a mixed injection member can be provided on a part of a wall of an air reservoir projection provided on the upper surface of the main body is divided into front and rear at the opening. The two members having the above are abutted via a member piece forming a mixed injection member which can be punctured by an injection needle and is formed of a material self-sealing to the puncture, or the two members are butted. The method for producing an infusion taco tube according to claim 1, characterized in that, after inserting the mixed injection member piece into the formed opening, a contact portion between the two member pieces and the mixed injection member piece is coated with a synthetic resin. An eighth aspect of the present invention is a mixed injection in which a tubular body and a part of a wall of an air reservoir protrusion provided on the upper surface of the body are puncturable by an injection needle and formed of a material self-sealing against the puncture. Two members having a shape in which a tacho tube having an opening capable of forming a member is divided into front and rear at the opening are butted in a mold through a member piece forming the mixed injection member, and then the two members are joined together. The present invention relates to a method for producing an infusion solution taco tube, which comprises injecting a synthetic resin into a contact portion between one member piece and the mixed injection member piece and coating the contact portion with the synthetic resin. A ninth aspect of the present invention is a shape in which a tubular main body and an octopus tube having an opening in which a mixed injection member can be provided on a part of a wall of an air reservoir projecting portion provided on the upper surface of the main body is divided into front and rear at the opening. Two members having the above are abutted in a mold, then synthetic resin is injected into the opening formed by the two abutted members, and the opening can be punctured by an injection needle, and Forming a mixed injection member formed of a material having a sealing property, and further, if desired, injecting a synthetic resin into a contact portion between the two member pieces and the mixed injection member piece, and coating the corresponding contact portion with the synthetic resin. And a method for manufacturing an octopus tube for infusion. A tenth aspect of the present invention relates to the above-mentioned infusion tube for infusion, wherein a filter medium is fixed to one or both of the two members before the two members are butted against each other. The eleventh aspect of the present invention relates to an infusion set using the infusion taco tube according to the first, second, third, fourth, fifth or sixth aspect.
【０００５】本発明の輸液用タコ管の混注部は、前記の
ように、空気溜め突出部の一部の壁を注入針により穿刺
可能、かつ、該穿刺に対し自己シール性のある材料で構
成することによって設けられているので、該部分に例え
ば注射針を穿刺することにより医療液体、例えば強心剤
を容易に混注することができるし、混注後、針を抜いて
も液漏れの恐れがない。また、該混注部の周縁に合成樹
脂層を設けることによって液漏れを防止できる。該混注
部を設ける場所は空気溜め突出部の上部が好ましいが、
他の位置に設けることもできる。また、該混注部の形状
及び大きさ等も注射針を穿刺可能であれば特に制限され
るものではない。As described above, the mixed injection portion of the infusion taco tube of the present invention is made of a material capable of puncturing a part of the wall of the air reservoir projection portion with an injection needle and having a self-sealing property against the puncture. Since it is provided by doing so, a medical liquid, such as a cardiotonic agent, can be easily co-injected by puncturing the portion with an injection needle, and there is no risk of liquid leakage even if the needle is pulled out after the co-injection. Further, by providing a synthetic resin layer on the periphery of the mixed injection part, liquid leakage can be prevented. The location where the mixed injection portion is provided is preferably the upper portion of the air reservoir protruding portion,
It can also be provided at other positions. The shape and size of the mixed injection portion are not particularly limited as long as the injection needle can be punctured.
【０００６】前記の本発明の輸液用タコ管の製造法の
内、前記二つの突合せ部材を混注部材を形成する注入針
により穿刺可能、かつ、該穿刺に対し自己シール性のあ
る弾性材料部材片を介して金型中で突合せ、次に、前記
部材片の当接部に合成樹脂を射出し該当接部の全周を被
覆することによって行うのが好ましい。また、前記二つ
の突合せ部材と混注部材の接合部には、両者の各々に設
けた段部による係合構造を有することが、両部材がより
一層安定に一体化される点から好ましい。もちろん前記
突合せ操作は、金型中で行うものに限定されるものでは
なく、金型外で行っても良く、この場合には、前記当接
部の合成樹脂による一体化の手段としては、他の公知の
被覆法、例えば溶融合成樹脂あるいは合成樹脂溶液等の
塗布法等を採用することができる。さらに、前記合成樹
脂による被覆は、前記二つの突合せ部材を混注部材の当
接部のみならず、突合せ部、特にその全周に行うのが好
ましい。In the method for manufacturing an octopus tube for infusion according to the present invention, an elastic material member piece capable of being punctured by an injection needle forming a mixed injection member and capable of self-sealing the butt member. It is preferable to butt them in the mold through the above, and then to inject the synthetic resin into the contact portion of the member piece to cover the entire circumference of the contact portion. Further, it is preferable that the joint portion between the two butt members and the mixed injection member has an engaging structure by a step portion provided on each of them, since both members are integrated more stably. Of course, the abutting operation is not limited to that performed in the mold, and may be performed outside the mold. In this case, other means for integrating the abutting portion with synthetic resin may be used. The known coating method of, for example, a coating method of a molten synthetic resin or a synthetic resin solution, etc. can be adopted. Further, it is preferable that the covering with the synthetic resin is performed not only on the abutting portion of the mixed injection member but also on the abutting portion, particularly the entire circumference thereof, by the two abutting members.
【０００７】本発明の輸液用タコ管の製造に使用され
る、前記突合せ部材は、種々の合成樹脂成型加工法によ
って製造することができるが、成型精度の点から射出成
型法によって製造したものが好ましい。また、該部材の
素材としては、ポリエチレンとポリプロピレンが好まし
い。また、その形状を、突合せ部に溝を形成できるよう
ものにしておくと、該溝に合成樹脂層を設けることがで
き、当接部が盛り上がらない。The abutting member used for manufacturing the infusion taco tube of the present invention can be manufactured by various synthetic resin molding processing methods, but those manufactured by the injection molding method from the viewpoint of molding precision. preferable. Further, polyethylene and polypropylene are preferable as the material of the member. Further, if the shape is such that a groove can be formed in the abutting portion, the synthetic resin layer can be provided in the groove, and the contact portion does not rise.
【０００８】本発明の輸液用タコ管の製造に用いる混注
部材を形成する注入針により穿刺可能、かつ、該穿刺に
対し自己シール性のある弾性材料部材片は、例えば、弾
性材料を打ち抜いて作るか、射出成型可能な材料の場合
には射出成型により製造することができるが、輸液用タ
コ管の製造工程中に金型中で製造しても良い。すなわ
ち、前記部材を金型中で突合せ、形成された空気溜め突
出部の開口部に、自己シール性のある材料を射出し混注
部を形成しても良い。この場合においても、該混注部と
空気溜め突出部をより強固に一体化するために、両者の
当接部に前記のように合成樹脂を射出しその全周を被覆
することが好ましい。前記当接部の被覆に使用する射出
用樹脂としても、タコ管本体と同様にポリエチレンとポ
リプロピレンが好ましい。The elastic material member piece which can be punctured by the injection needle forming the mixed injection member used for manufacturing the infusion taco tube of the present invention and which has self-sealing property against the puncture is made by punching out an elastic material, for example. Alternatively, in the case of a material that can be injection-molded, it can be manufactured by injection molding, but it may be manufactured in a mold during the manufacturing process of an infusion taco tube. That is, the mixed injection part may be formed by injecting a material having a self-sealing property into the opening of the air reservoir protruding part formed by abutting the members in a mold. In this case as well, in order to more firmly integrate the mixed injection part and the air reservoir protruding part, it is preferable to inject the synthetic resin into the abutting part of the both parts to cover the entire circumference thereof. As the injection resin used for coating the contact portion, polyethylene and polypropylene are preferable as in the tacho tube body.
【０００９】本発明で使用する注入針の穿刺に対して自
己シール性のある材料としては、弾性材料、例えば天然
ゴム、合成ゴム（ポリイソプレン、ポリクロロプレン、
ポリブタジエン等）および各種の熱可塑性エラストマー
（スチレンーブタジエンースチレンブロック共重合体、
スチレンーエチレンーブタジエンースチレンブロック共
重合体、ポリエーテルーエステル共重合体等）あげるこ
とができる。As the material having self-sealing property against puncture of the injection needle used in the present invention, elastic materials such as natural rubber and synthetic rubber (polyisoprene, polychloroprene,
Polybutadiene) and various thermoplastic elastomers (styrene-butadiene-styrene block copolymer,
Styrene-ethylene-butadiene-styrene block copolymer, polyether-ester copolymer, etc.).
【００１０】本発明の輸液用タコ管の製造方法の利点の
一つは、前記突合せ部材は、両部材は広く開口している
ので、この部分から濾過部材を挿入してその内部に固定
することができる。濾過部材としては、ナイロンやポリ
エステルからなるメッシュ体が好ましいが、他の材料か
らなるものも使用可能でる。濾過部材は、固着部の形状
に適合するようにカットし、その突合せ部材の内部に当
接、例えば部材内部に段部を設けそこに当接するように
担持し、当接部を適当な固着手段、例えば該素材が溶着
可能なものであれば、熱溶着法あるいは超音波溶着法等
によって固着すれば良い。One of the advantages of the method for producing an infusion taco tube according to the present invention is that both members of the abutting member are wide open, so that the filtering member is inserted from this portion and fixed therein. You can As the filter member, a mesh body made of nylon or polyester is preferable, but those made of other materials can also be used. The filtering member is cut so as to conform to the shape of the fixing portion, and is supported so as to abut against the inside of the abutting member, for example, a step portion is provided inside the member, and the abutting portion is supported so as to abut there. For example, if the material can be welded, it may be fixed by a heat welding method or an ultrasonic welding method.
【００１１】以下、図面を用いて本発明をさらに具体的
に説明する。図１は本発明の輸液用タコ管の一例を示す
正面図である。図では、左端が輸液回路接続部３であ
り、従来はゴム管を接続していた側であるが、本発明の
輸液セットでは点滴筒と連結されるチューブに接続すれ
ばよい。そして右端が静脈針接続部２であり、中央に空
気溜め１がある。空気溜め１の上部中央には、弾性材料
からなる混注部６が一体化されている。図２は、本発明
のタコ管の１製造法の各工程の各構成を示す図である。
（ａ）は、管状本体と該本体上面部に突出部の一部の壁
が注入針により穿刺可能、かつ、該穿刺に対し自己シー
ル性のある材料で形成されている混注部材を設けること
のできる開口部を有する空気溜め突出部よりなるタコ管
を前記開口部で前後に分断した形状を有する突合せ部材
４，５と、穿刺可能、かつ自己シール性のある材料で形
成されている混注部材片６とを示す図である。（ｂ）
は、前記突合せ部材４，５を混注部材６を介して突合せ
た状態を示す図である。（ｃ）は、前記突合せ部材４，
５と混注部材６の当接部に合成樹脂を射出することによ
って樹脂部７を形成し、前記突合せ部材４，５と混注部
材６を一体化した状態を示す図である。このように合成
樹脂を用いて一体化しているので、液漏れを起こす恐れ
はない。図３は濾過部材８を内部に設けたことを示す図
である。図４は、本発明の輸液用タコ管において、突合
せ部材４，５と、混注部材片６の接合部の色々な接合状
態を示す断面図である。Hereinafter, the present invention will be described more specifically with reference to the drawings. FIG. 1 is a front view showing an example of an infusion solution octopus tube of the present invention. In the figure, the left end is the infusion circuit connecting portion 3, which is the side to which a rubber tube was conventionally connected, but in the infusion set of the present invention, it may be connected to a tube connected to an infusion tube. The right end is the venous needle connection portion 2, and the air reservoir 1 is located in the center. A mixed injection part 6 made of an elastic material is integrated at the center of the upper part of the air reservoir 1. FIG. 2 is a diagram showing each configuration of each step of one manufacturing method of the tacho tube of the present invention.
(A) shows that a tubular body and a mixed injection member in which a part of the wall of the protruding portion is puncturable by an injection needle and is formed of a material self-sealing against the puncture are provided on the upper surface of the tubular body. Abutment members 4 and 5 each having a shape in which a tacho tube composed of an air reservoir projecting portion having an openable portion is divided into front and rear portions by the opening portion, and a mixed injection member piece formed of a pierceable and self-sealing material It is a figure showing 6 and. (B)
FIG. 6 is a diagram showing a state in which the abutting members 4 and 5 are abutted via a mixed injection member 6. (C) shows the butt member 4,
5 is a view showing a state in which a resin portion 7 is formed by injecting a synthetic resin to the contact portion between the mixed injection member 5 and the mixed injection member 6, and the butting members 4, 5 and the mixed injection member 6 are integrated. Since the synthetic resin is used for integration in this way, there is no risk of liquid leakage. FIG. 3 is a view showing that the filtering member 8 is provided inside. FIG. 4 is a cross-sectional view showing various joining states of the joining portions of the butting members 4, 5 and the mixed injection member piece 6 in the infusion solution tacho tube of the present invention.
【００１２】[0012]
【発明の効果】本発明によれば、輸液セットに専用の混
注部品を設けたりゴム管を接続したりする必要がなくな
る。したがって、輸液セットを構成する部品の点数が少
なくなるので、製造コストを下げることが可能になる。
また、使用するゴムの量が非常に少なくなるので、溶出
物が少なくなって安全性が高まる。According to the present invention, it is not necessary to provide a dedicated mixed injection component or connect a rubber tube to the infusion set. Therefore, the number of parts constituting the infusion set is reduced, and the manufacturing cost can be reduced.
In addition, since the amount of rubber used is extremely small, the amount of eluate is small and the safety is improved.
【図１】本発明の輸液用タコ管の一例を示す正面図であ
る。FIG. 1 is a front view showing an example of an infusion taco tube of the present invention.
【図２】（ａ）は、突合せ部材４，５と、穿刺可能、か
つ自己シール性のある材料で形成されている混注部材片
６とを示す本発明の輸液用タコ管の断面図である。
（ｂ）は、突合せ部材４，５を混注部材６を介して突合
せた状態を示す本発明の輸液用タコ管の断面図である。
（ｃ）は、突合せ部材４，５と混注部材６の当接部に合
成樹脂部７を形成し、前記両部材を一体化した状態を示
す本発明の輸液用タコ管の断面図である。FIG. 2 (a) is a cross-sectional view of the infusion taco tube of the present invention showing the butting members 4 and 5 and the mixed injection member piece 6 formed of a material capable of puncturing and having a self-sealing property. ..
(B) is a cross-sectional view of the octopus tube for infusion of the present invention showing a state in which the butting members 4 and 5 are butted against each other via the mixed injection member 6.
(C) is a cross-sectional view of the infusion taco tube of the present invention showing a state in which a synthetic resin portion 7 is formed at the contact portion between the butting members 4 and 5 and the mixed injection member 6 and the two members are integrated.
【図３】濾過部材８を内部に設けたことを示す本発明の
輸液用タコ管の断面図である。FIG. 3 is a cross-sectional view of an infusion solution octopus tube of the present invention showing that a filtering member 8 is provided inside.
【図４】本発明の輸液用タコ管において、突合せ部材
４，５と、混注部材片６の接合部がそれぞれに設けた段
部によって接合した状態を示す断面図である。FIG. 4 is a cross-sectional view showing a state where the joining portions of the butting members 4 and 5 and the mixed injection member piece 6 are joined by the step portions respectively provided in the infusion solution tacho tube of the present invention.
１ 空気溜め ２ 静脈針接続部 ３ 輸液回路接続部 ４ 突合せ部材 ５ 突合せ部材 ６ 混注部材 ７ 合成樹脂層 ８ 濾過部材 DESCRIPTION OF SYMBOLS 1 Air reservoir 2 Vein needle connection part 3 Infusion circuit connection part 4 Butt member 5 Butt member 6 Mixed injection member 7 Synthetic resin layer 8 Filtration member
Claims (12)
出部を有する輸液用タコ管において、前記突出部の一部
の壁が注入針により穿刺可能、かつ、該穿刺に対し自己
シール性のある材料で形成されている混注部材で構成さ
れていることを特徴とする輸液用タコ管。1. A tubular body and an octopus tube for infusion having an air retention protrusion on an upper surface of the body, wherein a part of the wall of the protrusion can be punctured by an injection needle, and the puncture is self-sealing. An octopus tube for infusion, which is composed of a mixed injection member formed of a certain material.
上面部に設けた空気溜め突出部の一部の壁に混注部材を
設けることのできる開口部を有するタコ管を、該開口部
で前後に分断した形状を有する二つの部材と注入針によ
り穿刺可能、かつ、該穿刺に対し自己シール性のある材
料で形成される混注部材を当接し、接合した構造のもの
であることを特徴とする請求項１記載の輸液用タコ管。2. An octopus tube for infusion having a tubular body and an opening in which a mixed injection member can be provided on a wall of a part of an air reservoir projection provided on an upper surface of the body. It has a structure in which two members having a shape divided into front and rear and a mixed injection member which can be punctured by an injection needle and which is made of a self-sealing material are brought into contact with and joined to the puncture. The octopus tube for infusion according to claim 1.
合部が、前者と後者のそれぞれに設けた段部による係合
構造を有することを特徴とする請求項１または２記載の
輸液用タコ管。3. The infusion solution according to claim 1, wherein the joint portion between the wall of the mixed injection member and the wall of the two members has an engagement structure by a step portion provided in each of the former and the latter. Octopus tube.
を、合成樹脂で被覆することによって、該混注部と二つ
の部材が一体化されていることを特徴とする請求項１、
２または３記載の輸液用タコ管。4. The mixed injection part and the two members are integrated by coating the contact part between the mixed injection part and the two members with a synthetic resin.
The octopus tube for infusion according to 2 or 3.
接部の被覆が、合成樹脂の射出により形成されているこ
とを特徴とする請求項４記載の輸液用タコ管。5. The infusion solution taco tube according to claim 4, wherein the coating of the mixed injection portion and the contact portion of the projection portion with the synthetic resin is formed by injection of the synthetic resin.
る請求項１、２、３、４または５記載の輸液用タコ管。6. The infusion solution taco tube according to claim 1, wherein the tacho tube has a filtering member inside.
め突出部の一部の壁に混注部材を設けることのできる開
口部を有するタコ管を該開口部で前後に分断した形状を
有する二つの部材を、注入針により穿刺可能、かつ、該
穿刺に対し自己シール性のある材料で形成される前記混
注部材を形成する部材片を介して突合せるか、あるいは
前記二つの部材を突合せ、形成した開口部に前記混注部
材片を挿入した後に、前記二つの部材片と前記混注部材
片との当接部に合成樹脂を被覆することを特徴とする請
求項４記載の輸液用タコ管の製造方法。7. A tacho tube having a tubular main body and an opening in which a mixed injection member can be provided on a part of a wall of an air reservoir protruding portion provided on the upper surface of the main body, and has a shape divided into front and rear at the opening. Two members are pierced by an injection needle, and are abutted via a member piece forming the mixed injection member formed of a material self-sealing to the puncture, or the two members are butted, 5. The infusion solution taco tube according to claim 4, wherein after the mixed injection member piece is inserted into the formed opening, a synthetic resin is coated on a contact portion between the two member pieces and the mixed injection member piece. Production method.
め突出部の一部の壁に混注部材を設けることのできる開
口部を有するタコ管を該開口部で前後に分断した形状を
有する二つの部材を、注入針により穿刺可能、かつ、該
穿刺に対し自己シール性のある材料で形成される前記混
注部材を形成する部材片を介して金型中で突合せ、次に
前記二つの部材片と前記混注部材片との当接部に合成樹
脂を射出し、該当接部に合成樹脂を被覆することを特徴
とする請求項５記載の輸液用タコ管の製造方法。8. A tacho tube having a tubular main body and an opening in which a mixed injection member can be provided on a part of the wall of an air reservoir projection provided on the upper surface of the main body, and has a shape divided into front and rear at the opening. The two members are butted in a mold via a member piece forming the mixed injection member which is piercable by an injection needle and is made of a material self-sealing for the puncture, and then the two members The method for producing an infusion taco tube according to claim 5, wherein a synthetic resin is injected into a contact portion between a piece and the mixed injection member piece, and the contact portion is covered with the synthetic resin.
め突出部の一部の壁に混注部材を設けることのできる開
口部を有するタコ管を該開口部で前後に分断した形状を
有する二つの部材を金型中で突合せ、次に該突き合わせ
た二つの部材によって形成された開口部に熱成形可能な
弾性材料を射出し、該開口部に注入針により穿刺可能、
かつ、該穿刺に対し自己シール性のある材料で形成され
る混注部材を形成し、さらに所望により前記二つの部材
片と前記混注部材片との当接部に合成樹脂を射出し、該
当接部に合成樹脂を被覆することを特徴とする請求項４
または５記載の輸液用タコ管の製造方法。9. A tacho tube having a tubular main body and an opening in which a mixed injection member can be provided on a part of a wall of an air reservoir protruding portion provided on the upper surface of the main body, and has a shape divided into front and rear at the opening. It is possible to butt two members together in a mold, then inject a thermoformable elastic material into the opening formed by the two members butted, and puncture the opening with an injection needle,
In addition, a mixed injection member formed of a material self-sealing against the puncture is formed, and further, if desired, a synthetic resin is injected to the contact portion between the two member pieces and the mixed injection member piece, and the corresponding contact portion is formed. 5. A synthetic resin is coated on the surface of the container.
Alternatively, the method for producing an octopus tube for infusion according to 5 above.
いて、前記二つの部材を突合せる前に、該二つの部材の
片方または双方の内部に濾過部材を固着することを特徴
とする請求項５記載の輸液用タコ管の製造方法。10. The method according to claim 7, 8 or 9, wherein a filter member is fixed to the inside of one or both of the two members before abutting the two members. 5. A method for producing an octopus tube for infusion according to 5.
載の輸液用タコ管を使用した輸液セット。11. An infusion set using the infusion octopus tube according to claim 1, 2, 3, 4, 5 or 6.
接連結されていることを特徴とする請求項１１記載の輸
液セット。12. The infusion set according to claim 11, wherein the drip tube and the infusion taco tube are directly connected by a tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04788892A JP3182842B2 (en) | 1992-02-04 | 1992-02-04 | Octopus tube for infusion with co-injection part and method of manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04788892A JP3182842B2 (en) | 1992-02-04 | 1992-02-04 | Octopus tube for infusion with co-injection part and method of manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05212114A true JPH05212114A (en) | 1993-08-24 |
| JP3182842B2 JP3182842B2 (en) | 2001-07-03 |
Family
ID=12787942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04788892A Expired - Fee Related JP3182842B2 (en) | 1992-02-04 | 1992-02-04 | Octopus tube for infusion with co-injection part and method of manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3182842B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000344085A (en) | 1999-06-03 | 2000-12-12 | Toyota Motor Corp | Wheel control status display |
-
1992
- 1992-02-04 JP JP04788892A patent/JP3182842B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3182842B2 (en) | 2001-07-03 |
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