JP2573055Y2 - Connection pipe - Google Patents
Connection pipeInfo
- Publication number
- JP2573055Y2 JP2573055Y2 JP1992082811U JP8281192U JP2573055Y2 JP 2573055 Y2 JP2573055 Y2 JP 2573055Y2 JP 1992082811 U JP1992082811 U JP 1992082811U JP 8281192 U JP8281192 U JP 8281192U JP 2573055 Y2 JP2573055 Y2 JP 2573055Y2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- diameter
- liquid outlet
- inner diameter
- outer diameter
- 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 - Lifetime
Links
Landscapes
- External Artificial Organs (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、輸液・輸血セット、血
液透析、血液ロ過、血漿交換等の血液、血液成分の体外
循環回路等の途中に設置して使用されるドリップチャン
バー、血液バッグ、輸液バッグ等の医療用具の途中に設
置される接続管の改良に関するものである。以下ドリッ
プチャンバーの例について説明する。BACKGROUND OF THE INVENTION The present invention relates to a drip chamber and a blood bag which are used in the extracorporeal circuit of blood and blood components such as infusion / transfusion set, hemodialysis, blood filtration, and plasma exchange. The present invention relates to improvement of a connection pipe installed in the middle of a medical device such as an infusion bag. Hereinafter, an example of the drip chamber will be described.
【０００２】[0002]
【従来技術及び考案が解決しようとする課題】現在使用
されているドリップチャンバーは、例えばポリ塩化ビニ
ル、ポリエチレン、ポリカーボネート等の合成樹脂によ
り一体成形したチャンバー本体の液体流出管に、ポリ塩
化ビニルからなる液体導出チューブを接続するに際し
て、液体流出管と液体導出チューブの双方の内外径のク
リアランスを約±０．３ｍｍ前後に設定して、液体導出
チューブの先端外周面あるいは先端内周面に溶剤を塗布
して液体流出管に内接着するかあるいは外接着してい
た。2. Description of the Related Art A drip chamber used at present is made of polyvinyl chloride at a liquid outlet pipe of a chamber body integrally formed of, for example, a synthetic resin such as polyvinyl chloride, polyethylene or polycarbonate. When connecting the liquid outlet tube, set the clearance between the inner and outer diameters of both the liquid outlet tube and the liquid outlet tube to about ± 0.3 mm, and apply a solvent to the outer peripheral surface or the inner peripheral surface of the distal end of the liquid outlet tube. Either internally or externally to the liquid outlet tube.
【０００３】しかしながら輸液、輸血、血液透析、血液
ロ過、血漿交換等の治療の種別や大人や小児等の患者の
種別により輸液、輸血チューブや体外循環回路チューブ
の径が異なるので、これらの各チューブの径に応じて各
種の内外径を有する液体導出管を備えたドリップチャン
バーを遂一準備することはロットが多岐に亘り製造者並
びに使用者の負担となっていた。そこで本考案者は以上
の課題を解決するために鋭意検討を重ねた結果次の考案
に到達した。[0003] However, the diameter of the infusion, blood transfusion tube or extracorporeal circuit tube varies depending on the type of treatment, such as infusion, blood transfusion, hemodialysis, blood filtration, plasma exchange, and the type of patient such as an adult or child. Providing a drip chamber equipped with liquid outlet pipes having various inner and outer diameters according to the diameter of the tube has been a burden for manufacturers and users in a wide variety of lots. The inventor of the present invention has conducted intensive studies to solve the above problems, and has arrived at the following invention.
【０００４】[0004]
【課題を解決するための手段】［１］本考案は、医療用
具の途中に設置される接続管であって、内管４の外周に
隙間６を隔てて外管５を形成し、 外管５の内径をチュー
ブの外径より小さく形成し、 チューブの内径を内管４の
外径と略同一あるいは大きく形成した接続管を提供す
る。 ［２］本考案は、医療用具の途中に設置される接続管で
あって、内管４の外周に隙間６を隔てて外管５を形成
し、 内管４の外径をチューブの内径より大きく形成し、
チューブの外径を外管５の内径と略同一あるいは小さく
形成した接続管を提供する。 Means for Solving the Problems [1] The present invention is intended for medical use.
Connection pipe installed in the middle of the tool,
An outer tube 5 is formed with a gap 6 therebetween, and the inner diameter of the outer tube 5 is
The inner diameter of the inner tube 4 is made smaller than the outer diameter of the tube.
Provide a connecting pipe that is almost the same or larger than the outer diameter
You. [2] The present invention is a connecting pipe installed in the middle of a medical device.
Then, the outer tube 5 is formed on the outer periphery of the inner tube 4 with a gap 6 therebetween.
And the outer diameter of the inner tube 4 is made larger than the inner diameter of the tube,
The outer diameter of the tube is substantially the same as or smaller than the inner diameter of the outer tube 5.
Provide a formed connecting tube.
【０００５】[0005]
【作用】径の異なる任意のチューブを１種類のロットで
成形された接続管に接続することが可能となる。According to the present invention, it is possible to connect arbitrary tubes having different diameters to connecting tubes formed in one kind of lot.
【０００６】[0006]
【実施例】以下ドリップチャンバーの例について説明す
る。図１は本考案の一例を示すドリップチャンバー１の
一部切欠断面図で、ドリップチャンバー１は、本体２
と、該本体２の上部（または上側部）に形成された液体
流入管３と、本体の下部に形成された内管４（液体流出
管４）により構成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An example of a drip chamber will be described below. FIG. 1 is a partially cutaway sectional view of a drip chamber 1 showing an example of the present invention.
And a liquid inflow pipe 3 formed at an upper part (or upper part) of the main body 2 and an inner pipe 4 (liquid outflow ) formed at a lower part of the main body.
Tube 4) .
【０００７】内管４の外周には隙間６を隔てて外管５が
形成されている。前記液内管４の外径は、２．３ｍｍか
ら３０．０ｍｍに形成され、前記外管５の内径は４．２
ｍｍから３５．０ｍｍに形成され、前記隙間６は０．８
ｍｍから２８ｍｍに形成される。An outer tube 5 is formed on the outer periphery of the inner tube 4 with a gap 6 therebetween. The outer diameter of the inner tube 4 is formed in a range from 2.3 mm to 30.0 mm, and the inner diameter of the outer tube 5 is 4.2 mm.
mm to 35.0 mm, and the gap 6 is 0.8 mm to 35.0 mm.
mm to 28 mm.
【０００８】前記内管４及び／又は前記外管５には内径
が２．０ｍｍから２９．７ｍｍ、外径が４．５ｍｍから
３５．３ｍｍに形成された液体導出チューブが接続され
る。内径の小さなチューブは、内管４に外接着され、外
径の大きなチューブは外管５に内接着することができ
る。A liquid discharge tube having an inner diameter of 2.0 mm to 29.7 mm and an outer diameter of 4.5 mm to 35.3 mm is connected to the inner tube 4 and / or the outer tube 5. A tube with a small inner diameter can be bonded externally to the inner tube 4, and a tube with a large outer diameter can be bonded internally to the outer tube 5.
【０００９】前記内管４の外径は液体導出チューブの内
径より０．２ｍｍから０．４ｍｍ大きく形成され、前記
外管５の内径は液体導出チューブの外径よりも０．２ｍ
ｍから０．４ｍｍ小さく形成される。これにより液体導
出チューブを内管４、外管５に若干きつめに圧入するこ
とができ強固に接着することができる。[0009] outer diameter of the inner tube 4 is 0.4mm rather large formation from 0.2mm than the inner diameter of the liquid outlet tube, the inner diameter of the outer tube 5 is 0.2m than the outer diameter of the liquid outlet tube
It is formed 0.4 mm smaller than m. As a result, the liquid outlet tube can be slightly press-fitted into the inner tube 4 and the outer tube 5 and can be firmly bonded.
【００１０】例えば内径２．６ｍｍ、外径３．８ｍｍの
液体導出チューブを内管４に外接着する場合は、内管４
の外径は、２．９ｍｍから３．０ｍｍが適当であり、他
方、内径３．４ｍｍ、外径４．９ｍｍの液体導出チュー
ブを外管５に内接着する場合は外管５の内径は４．６ｍ
ｍが適当である。[0010] For example the inside diameter 2.6 mm, when the outer adhere to the inner tube 4 a liquid outlet tube having an outer diameter of 3.8 mm, the inner tube 4
Is suitably from 2.9 mm to 3.0 mm. On the other hand, when a liquid outlet tube having an inner diameter of 3.4 mm and an outer diameter of 4.9 mm is internally bonded to the outer tube 5, the inner diameter of the outer tube 5 is 4 mm. .6m
m is appropriate.
【００１１】液体導出チューブの接続は、チューブの先
端外周面（又は先端内周面）に溶剤を塗布して、内管
４、外管５に外接着、内接着しても良いし、隙間６を適
宜調整してチューブを隙間６の間に圧入嵌合することが
できる。以上ドリップチャンバーの例について説明した
が、本考案は輸液・輸血セット、血液バッグ、輸液バッ
グ等のあらゆる医療用具に適用することができる。The connection of the liquid outlet tube may be performed by applying a solvent to the outer peripheral surface (or inner peripheral surface of the distal end) of the tube and externally or internally bonding the inner tube 4 and the outer tube 5 to each other. Can be appropriately adjusted so that the tube can be press-fitted into the gap 6. Although the example of the drip chamber has been described above, the present invention can be applied to all medical devices such as an infusion / blood transfusion set, a blood bag, and an infusion bag.
【００１２】[0012]
【考案の効果】単一ロットの接続管で径の異なるチュー
ブを任意に選択して接続することができるので、ロット
の省略化、生産の合理化が可能となり、また使用者側も
チューブの選択にとまどうことなく効率良く治療に専念
することができる。[Effects of the Invention] Since tubes with different diameters can be arbitrarily selected and connected with a single lot of connecting pipes, lots can be omitted and production can be rationalized, and the user can also select tubes. It is possible to concentrate on treatment efficiently without any doubt.
【図１】本考案の一例を示すドリップチャンバーの一部
切欠断面図である。FIG. 1 is a partially cutaway sectional view of a drip chamber showing an example of the present invention.
１ ドリップチャンバー ２ 本体 ３ 液体流入管 ４ 内管（液体流出管） ５ 外管 ６ 隙間DESCRIPTION OF SYMBOLS 1 Drip chamber 2 Main body 3 Liquid inflow pipe 4 Inner pipe (liquid outflow pipe) 5 Outer pipe 6 Clearance
Claims (2)
て内管４の外周に隙間６を隔てて外管５を形成し、 外管５の内径をチューブの外径より小さく形成し、 チューブの内径を内管４の外径と略同一あるいは大きく
形成した、ことを特徴とする接続管。 1. A connecting pipe installed in the middle of a medical device.
The outer tube 5 is formed on the outer periphery of the inner tube 4 with a gap 6 therebetween, the inner diameter of the outer tube 5 is formed smaller than the outer diameter of the tube, and the inner diameter of the tube is substantially the same as or larger than the outer diameter of the inner tube 4.
A connection pipe formed.
て、内管４の隙間６を隔てて外管５を形成し、 内管４の外径をチューブの内径より大きく形成し、 チューブの外径を外管５の内径と略同一あるいは小さく
形成した、ことを特徴 外周にとする接続管。 2. A connecting pipe installed in the middle of a medical device.
Thus, the outer tube 5 is formed with the gap 6 between the inner tubes 4 therebetween, the outer diameter of the inner tube 4 is formed larger than the inner diameter of the tube, and the outer diameter of the tube is substantially the same as or smaller than the inner diameter of the outer tube 5.
A connecting pipe formed on the outer periphery of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992082811U JP2573055Y2 (en) | 1992-11-06 | 1992-11-06 | Connection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992082811U JP2573055Y2 (en) | 1992-11-06 | 1992-11-06 | Connection pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0639004U JPH0639004U (en) | 1994-05-24 |
| JP2573055Y2 true JP2573055Y2 (en) | 1998-05-28 |
Family
ID=13784801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992082811U Expired - Lifetime JP2573055Y2 (en) | 1992-11-06 | 1992-11-06 | Connection pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2573055Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5322790B2 (en) * | 2009-06-15 | 2013-10-23 | 川澄化学工業株式会社 | Blood component sampling system, blood component sampling method, and blood collection tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02182269A (en) * | 1989-01-09 | 1990-07-16 | Terumo Corp | Medical bottle needle equipped with drip cylinder |
-
1992
- 1992-11-06 JP JP1992082811U patent/JP2573055Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0639004U (en) | 1994-05-24 |
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