JPH0429620Y2 - - Google Patents
Info
- Publication number
- JPH0429620Y2 JPH0429620Y2 JP1987191163U JP19116387U JPH0429620Y2 JP H0429620 Y2 JPH0429620 Y2 JP H0429620Y2 JP 1987191163 U JP1987191163 U JP 1987191163U JP 19116387 U JP19116387 U JP 19116387U JP H0429620 Y2 JPH0429620 Y2 JP H0429620Y2
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- rubber
- infusion
- stopper
- coupling means
- 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
Links
- 238000001802 infusion Methods 0.000 claims description 47
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 11
- 238000001990 intravenous administration Methods 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 description 14
- 239000005060 rubber Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229920003049 isoprene rubber Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc. can be used Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Description
本考案は混注部付き静脈カテーテルに関する。
さらに詳しくは複数の薬液等を同一の静脈カテー
テルを用いて注入しようとする場合に、複数の薬
液を順次または混合して注入することを可能とす
る、改良された混注部付き静脈カテーテルに関す
る。
The present invention relates to an intravenous catheter with a mixed injection section.
More specifically, the present invention relates to an improved venous catheter with a co-injection part that allows multiple medicinal solutions to be injected sequentially or in a mixed manner when a plurality of medicinal solutions are to be injected using the same intravenous catheter.
従来、輸液チユーブに静脈カテーテルを接続し
た形の輸液ラインを用いた輸液治療においては、
輸液を長時間中断することがあり、その場合に
は、輸液チユーブを静脈カテーテルから外して、
静脈カテーテルの基端部（輸液チユーブの接続
部）にインジエクシヨンプラグと呼ばれるゴム栓
付きのキヤツプを装置しておき、輸液中断中に一
時的に輸液を行う必要が生じた場合には、別ルー
トの輸液ラインの穿刺針を前記インジエクシヨン
プラグのゴム栓に刺通して、静脈カテーテルと別
ルートの輸液ラインとを連通して輸液を行つてい
た。
Conventionally, in infusion therapy using an infusion line that connects an intravenous catheter to an infusion tube,
Infusions may be interrupted for an extended period of time, in which case the infusion tube should be removed from the intravenous catheter.
A cap with a rubber stopper called an injection plug is attached to the proximal end of the intravenous catheter (connection to the infusion tube), and if it becomes necessary to temporarily administer an infusion while the infusion is interrupted, it can be used separately. The puncture needle of the infusion line of the route was pierced through the rubber stopper of the injection plug, and the intravenous catheter was communicated with the infusion line of another route to perform infusion.
しかしながら、従来のインジエクシヨンプラグ
を利用した静脈カテーテルでは、単に別ルートの
輸液ラインの穿刺針がインジエクシヨンプラグの
ゴム栓に穿刺されているだけなので、輸液治療中
に患者が動いたり手で引つ掛けたりした時に、穿
刺針がゴム栓から抜けてしまうことがあり、、ま
た穿刺針の一部が外気に露出しているので、空気
中からの感染の危険があり問題であつた。
本考案は上記のような問題点に鑑みてなされた
もので、別ルートの輸液ラインの穿刺針が輸液治
療中に抜けてしまうことがなく、また穿刺針を外
気から遮断し、混注部からの細菌の進入を防止す
ることのできる混注部付き静脈カテーテルを提供
することを目的とする。
However, with conventional venous catheters using injection extension plugs, the puncture needle of the infusion line for a different route is simply inserted into the rubber stopper of the injection extension plug, so the patient cannot move or move during infusion treatment. When hooked, the puncture needle may fall out of the rubber stopper, and since a portion of the puncture needle is exposed to the outside air, there is a risk of infection from the air, which is a problem. The present invention was developed in view of the above-mentioned problems, and it prevents the puncture needle of the infusion line routed to another route from falling out during infusion treatment, and also isolates the puncture needle from the outside air and prevents the puncture needle from coming out from the mixed injection site. It is an object of the present invention to provide a venous catheter with a co-injection part that can prevent the entry of bacteria.
本考案は上記問題点を解決するために、１つま
たは２つ以上の液体流入口と１つの液体流出口を
有する管状の接続部品と、該接続部品の液体流出
口に液密に接続された細径なチユーブからなるカ
テーテルであつて、前記接続部品の少なくとも１
つの液体流入口には、該液体流入口にゴム状弾性
体製の栓体が挿着され、該栓体が栓体押え枠で固
定されてなる混注部が設けており、該栓体押え枠
の外壁に雄形結合手段が設けられていることを特
徴とする混注部付き静脈カテーテルを採用してい
る。
In order to solve the above problems, the present invention includes a tubular connecting part having one or more liquid inlets and one liquid outlet, and a tubular connecting part that is liquid-tightly connected to the liquid outlet of the connecting part. A catheter consisting of a small diameter tube, wherein at least one of the connecting parts
Each of the two liquid inlets is provided with a co-injection part in which a stopper made of a rubber-like elastic material is inserted into the liquid inlet and the stopper is fixed with a stopper holding frame. An intravenous catheter with a co-injection part is used, which is characterized by a male coupling means provided on the outer wall of the catheter.
本考案の混注部付き静脈カテーテルは、混注部
の栓体押え枠の外壁に雄形結合手段が設けられて
いるので、この雄形結合手段と対応する雌形結合
手段をその穿刺針側に備えた輸液ラインを用意
し、この輸液ラインの穿刺針を混注部のゴム栓に
穿刺した後、前記カテーテルの雄形結合手段と輸
液ラインの雌形結合手段とを結合すれば、両者は
強固に接続される。
また前記カテーテルと輸液ラインの結合手段同
士が気密に接続されるように構成されているの
で、輸液ラインの穿刺針が外気から遮断され、し
かも使用中に穿刺針がゴム栓から抜けることがな
いので、空気中からの感染が確実に防止される。
The venous catheter with a co-infusion section of the present invention has a male coupling means on the outer wall of the stopper holding frame of the co-infusion section, and a female coupling means corresponding to the male coupling means is provided on the puncture needle side. After preparing an infusion line and puncturing the rubber stopper of the mixed injection part with the puncture needle of this infusion line, the male coupling means of the catheter and the female coupling means of the infusion line are connected firmly. be done. Furthermore, since the connecting means for the catheter and the infusion line are configured to be airtightly connected to each other, the puncture needle of the infusion line is shielded from the outside air, and the puncture needle does not fall out of the rubber stopper during use. , infection from the air is reliably prevented.
次に本考案の実施例について図面に基づいて説
明する。
第１図は本考案の一実施例に係るカテーテルの
斜視図であり、第２−１図は第１図における長手
方向要部断面図、第２−２図は第２−１図のカテ
ーテルの雄形結合手段に対応する雌形結合手段を
備えた輸液チユーブの要部説明図である。
第１図および第２−１図に示すように、本考案
のカテーテルは管状の接続部品１に径の細いチユ
ーブ２が接続されたものであつて、接続部品１は
混注部４を有し、該混注部１のゴム栓３を支持す
る栓体押え枠５の外壁に雄形結合手段としての雄
ネジ６が設けられたことを特徴とするものであ
る。そしてカテーテルは第２−２図に示すよう
な、この雄ネジ６と対応する形状の雌形結合手
段、具体的には雌ネジ１０、をその接続端に備え
た輸液ライン７と気密に結合できるように構成さ
れている。すなわち、輸液ライン７の穿刺針９を
カテーテルの混注部４のゴム栓３に穿刺してカテ
ーテルと輸液ラインとを結合すれば、両者は気密
にかつ強固に結合されるようになつている。
以下、本考案のカテーテルについて更に詳しく
説明する。
混注部４は輸液治療中に他の輸液ラインから薬
液などを追加するための注入部分であり、１つま
たは２つ以上の液体流入口と１つの液体流出口を
有する管状体の少なくとも１つの液体流入口に、
ゴム状弾性体製の栓体であるゴム栓３を液密に装
着し、このゴム栓３が外れないように、外から栓
体押え枠５で支持したものである。そして栓体押
え枠５の外壁には雄形結合手段としての雄ネジ６
が形成されている。
栓体の形成材料はゴム状弾性体であり、天然ゴ
ムや、合成ゴムの例えばブタジエンゴム、スチレ
ンブタジエンゴム、イソプレンゴム、エチレンプ
ロピレンゴム、ブチルゴム、クロロプレンゴム、
ニトリルゴム、アクリルゴム、ウリタンゴム、シ
リコーンゴムなどが使用可能で、特に天然ゴムや
イソプレンゴム、クロロプレンゴム、シリコーン
ゴムが、刺通抵抗が小さく、シール性も良いので
好適である。
雄形結合手段は、その接続端に穿刺針を有する
被接続物（以下、代表的に輸液ラインという）を
結合するための手段であり、この結合手段単独で
は機能しないが、第２−２図に示すような輸液ラ
イン７の接続端に設けられた雌形結合手段、すな
わちカツプ状の部材８の内壁に設けられた雌ネジ
１０、と協働して輸液ライン７を結合するもので
ある。従つて、この雄形結合手段の形状に応じて
輸液ライン７の雌形結合手段の形状も異なり、カ
テーテルの雄形結合手段と輸液ライン７の雌形結
合手段とは、図の雄ネジ６と雌ネジ１０のよう
に、相補的な形状となつている。
雄形結合手段は混注部４の栓体押え枠５の外壁
に形成されるが、輸液ライン７の穿刺針９を混注
部４のゴム栓３に穿刺した後、カテーテルと輸液
ライン７とを結合する際に、穿刺針９がゴム栓３
内で回動しないようにするために、輸液ライン７
のカツプ状部材８は輸液ライン７に対して回動自
在に設けられている。
チユーブ２はカテーテルの本体部分であり、カ
テーテル使用時には、このチユーブ２の自由端を
患者の静脈に留置し、混注部４から薬液等を導入
して輸液治療を行う。チユーブ２の形成材料は軟
質の合成樹脂であるが、静脈に留置される関係で
生体適合性が要求され、たとえば軟質の塩化ビニ
ル樹脂やポリウレタン、シリコーンゴムなどが好
適に使用しうる。
次に本考案の静脈カテーテルの使用方法につい
て説明する。
まず、第２−２図に示すような、雌形結合手段
としてカツプ状部材８の内壁に雌ネジ１０を有す
る輸液ライン７を用意し、輸液ライン７の穿刺針
９をカテーテルのゴム栓３に穿刺する。それから
カテーテルを一方の手で保持しながら、他方の手
で輸液ライン７のカツプ状部材８をネジが締まる
方向に回転させると、穿刺針がゴム栓３内で回動
することなく、輸液ライン７はカテーテルに強固
に結合される。
Next, embodiments of the present invention will be described based on the drawings. FIG. 1 is a perspective view of a catheter according to an embodiment of the present invention, FIG. 2-1 is a cross-sectional view of the main part in the longitudinal direction in FIG. 1, and FIG. FIG. 2 is an explanatory view of the main parts of an infusion tube equipped with female coupling means corresponding to male coupling means. As shown in FIG. 1 and FIG. 2-1, the catheter of the present invention has a tubular connecting part 1 connected to a tube 2 with a small diameter, and the connecting part 1 has a mixed injection part 4, The present invention is characterized in that a male screw 6 serving as a male coupling means is provided on the outer wall of a stopper holding frame 5 that supports the rubber stopper 3 of the mixed injection section 1. The catheter can be airtightly coupled to an infusion line 7 having a female coupling means, specifically a female thread 10, in a shape corresponding to the male thread 6 at its connecting end, as shown in FIG. 2-2. It is configured as follows. That is, when the puncture needle 9 of the infusion line 7 is inserted into the rubber stopper 3 of the mixed injection section 4 of the catheter to connect the catheter and the infusion line, the two are airtightly and firmly connected. The catheter of the present invention will be explained in more detail below. The co-injection part 4 is an injection part for adding medicine, etc. from another infusion line during infusion treatment, and is a tubular body having one or more liquid inlets and one liquid outlet. At the inlet,
A rubber stopper 3, which is a stopper made of a rubber-like elastic material, is mounted in a liquid-tight manner, and is supported from the outside by a stopper holding frame 5 so that the rubber stopper 3 does not come off. The outer wall of the stopper holding frame 5 has a male screw 6 as a male coupling means.
is formed. The material for forming the stopper is a rubber-like elastic body, such as natural rubber or synthetic rubber such as butadiene rubber, styrene-butadiene rubber, isoprene rubber, ethylene propylene rubber, butyl rubber, chloroprene rubber,
Nitrile rubber, acrylic rubber, urethane rubber, silicone rubber, etc. can be used, and natural rubber, isoprene rubber, chloroprene rubber, and silicone rubber are particularly suitable because they have low puncture resistance and good sealing properties. The male coupling means is a means for coupling a connected object (hereinafter typically referred to as an infusion line) having a puncture needle at its connection end, and although this coupling means does not function alone, it is shown in Fig. 2-2. The infusion line 7 is connected in cooperation with a female coupling means provided at the connecting end of the infusion line 7 as shown in FIG. Therefore, the shape of the female coupling means of the infusion line 7 differs depending on the shape of the male coupling means, and the male coupling means of the catheter and the female coupling means of the infusion line 7 are different from the male screw 6 in the figure. Like the female thread 10, it has a complementary shape. The male coupling means is formed on the outer wall of the stopper holding frame 5 of the mixed injection section 4, and after puncturing the puncture needle 9 of the infusion line 7 into the rubber stopper 3 of the mixed injection section 4, the catheter and the infusion line 7 are connected. When inserting the puncture needle 9 into the rubber stopper 3
In order to prevent rotation within the infusion line 7.
The cup-shaped member 8 is rotatably provided with respect to the infusion line 7. The tube 2 is the main body of the catheter, and when the catheter is used, the free end of the tube 2 is placed in the patient's vein, and a medicinal solution or the like is introduced from the co-injection part 4 to perform infusion therapy. The material for forming the tube 2 is a soft synthetic resin, but since it is placed in a vein, biocompatibility is required, and for example, soft vinyl chloride resin, polyurethane, silicone rubber, etc. can be suitably used. Next, a method of using the venous catheter of the present invention will be explained. First, as shown in FIG. 2-2, an infusion line 7 having a female thread 10 on the inner wall of a cup-shaped member 8 as a female coupling means is prepared, and the puncture needle 9 of the infusion line 7 is inserted into the rubber stopper 3 of the catheter. Puncture. Then, while holding the catheter with one hand, rotate the cup-shaped member 8 of the infusion line 7 with the other hand in the direction in which the screw is tightened. is firmly coupled to the catheter.
以上説明してきたことから明らかなように、本
考案の静脈カテーテルを採用することにより、次
のような効果を得ることができる。
(1) 治療中に輸液ラインが外れてしまうことがな
いので、薬液によつてシーツや患者の衣類など
が汚染されることがない。
(2) 輸液ラインを気密に結合できる構造なので、
外気による混注部からの感染を完全に防止する
ことができる。
As is clear from the above explanation, by employing the venous catheter of the present invention, the following effects can be obtained. (1) Since the infusion line does not come off during treatment, sheets and patient's clothing will not be contaminated by the drug solution. (2) The structure allows for airtight connection of infusion lines.
It is possible to completely prevent infection from the mixed injection part due to outside air.
第１図は本考案の実施例の斜視図であり、第２
−１図は第１図の長手方向要部断面図、第２−２
図は第２−１図のカテーテルに接続される輸液ラ
インの長手方向要部断面図である。
符号の説明、１……接続部品、２……チユー
ブ、３……ゴム栓、４……混注部、５……栓体押
え枠、６……雄ネジ、７……輸液ライン、９……
穿刺針、１０……雌ネジ。
FIG. 1 is a perspective view of an embodiment of the present invention;
Figure-1 is a sectional view of the main part in the longitudinal direction of Figure 1, Figure 2-2
The figure is a sectional view of a main part in the longitudinal direction of an infusion line connected to the catheter of FIG. 2-1. Explanation of symbols, 1... Connecting parts, 2... Tube, 3... Rubber stopper, 4... Mixed injection part, 5... Stopper holding frame, 6... Male thread, 7... Infusion line, 9...
Puncture needle, 10...female screw.
Claims (1)
体流出口を有する管状の接続部品と、該接続部
品の液体流出口に液密に接続された細径なチユ
ーブからなるカテーテルであつて、前記接続部
品の少なくとも１つの液体流入口には、該液体
流入口にゴム状弾性体製の栓体が挿着され、該
栓体が栓体押え枠で固定されてなる混注部が設
けており、該栓体押え枠の外壁に雄形結合手段
が設けられていることを特徴とする混注部付き
静脈カテーテル。 ２ 結合手段が雄ネジである実用新案登録請求の
範囲第１項記載の静脈カテーテル。[Claims for Utility Model Registration] 1. A tubular connecting part having one or more liquid inlets and one liquid outlet, and a small-diameter connecting part liquid-tightly connected to the liquid outlet of the connecting part. The catheter is made of a tube, and a stopper made of a rubber-like elastic material is inserted into at least one liquid inlet of the connecting part, and the stopper is fixed with a stopper holding frame. 1. A venous catheter with a co-injection part, characterized in that the co-infusion part is provided with a co-infusion part, and a male coupling means is provided on the outer wall of the stopper holding frame. 2. The intravenous catheter according to claim 1, wherein the coupling means is a male thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987191163U JPH0429620Y2 (en) | 1987-12-16 | 1987-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987191163U JPH0429620Y2 (en) | 1987-12-16 | 1987-12-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0195953U JPH0195953U (en) | 1989-06-26 |
| JPH0429620Y2 true JPH0429620Y2 (en) | 1992-07-17 |
Family
ID=31482088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987191163U Expired JPH0429620Y2 (en) | 1987-12-16 | 1987-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429620Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH065801Y2 (en) * | 1988-02-25 | 1994-02-16 | 日本ゼオン株式会社 | Medical connection |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52144818A (en) * | 1976-04-23 | 1977-12-02 | Paley Hyman W | Detachable fixed connector for lwell type fittings |
-
1987
- 1987-12-16 JP JP1987191163U patent/JPH0429620Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52144818A (en) * | 1976-04-23 | 1977-12-02 | Paley Hyman W | Detachable fixed connector for lwell type fittings |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0195953U (en) | 1989-06-26 |
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