JPS59160470A - Medical low friction tube - Google Patents
Medical low friction tubeInfo
- Publication number
- JPS59160470A JPS59160470A JP58033639A JP3363983A JPS59160470A JP S59160470 A JPS59160470 A JP S59160470A JP 58033639 A JP58033639 A JP 58033639A JP 3363983 A JP3363983 A JP 3363983A JP S59160470 A JPS59160470 A JP S59160470A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- low friction
- medical low
- blood
- fluororubber
- 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.)
- Pending
Links
Landscapes
- Materials For Medical Uses (AREA)
- Endoscopes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（技術分野）
本発明は外面が低摩擦でかつ内部が水密性・気密性を有
することが要求される場合に使用するチューブに関する
ものである。とくに血液等のように不透明な液体中でイ
メージファイバを用いる場合、その視野を得るために噴
射する透明液体の案内通路として用いるチューブ、゛バ
ルーン型イメージファイバの外皮チューブ等に有効であ
る。DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to a tube used when the outer surface is required to have low friction and the interior is required to have watertightness and airtightness. In particular, when an image fiber is used in an opaque liquid such as blood, it is effective for a tube used as a guide passage for a transparent liquid injected to obtain a field of view, a sheath tube for a balloon-type image fiber, and the like.
（背景技術）
以下医療用としてとくに血液中で使用するイメージファ
イバの場合について説明する。第１図はその外観図で第
２図はその断面図である。従来イメージファイバ４と照
明光用ファイバ５および透明液案内通路１５を包むため
のチーーブｌはポリエチレン等を使用していたがその場
合摩擦が大きいので曲がった細い血管等には挿入し難く
、また血栓がチューブの外周に付着するという問題点が
あった。一方チューブｌの材質として多孔質の四弗化エ
チレン樹脂等を用いた場合、低摩擦・抗血栓（多孔質で
ない四弗化樹脂は固いという問題点がある。）性に富ん
だチューブが得られるが、そのチーーブに大きな圧力、
たとえば透明液体噴射圧・血圧等が加わった場合樹脂の
孔にはいっていた気泡が血液中に流れ出すという問題点
があった。(Background Art) The case of an image fiber used for medical purposes, particularly in blood, will be explained below. FIG. 1 is an external view thereof, and FIG. 2 is a sectional view thereof. Conventionally, a material such as polyethylene has been used for the tube 1 used to wrap the image fiber 4, the illumination light fiber 5, and the transparent liquid guide passage 15, but in this case, the friction is large, making it difficult to insert into curved and narrow blood vessels, and the possibility of thrombus formation. There was a problem that it adhered to the outer periphery of the tube. On the other hand, if a porous tetrafluoroethylene resin or the like is used as the material for the tube l, a tube with excellent low friction and antithrombotic properties (non-porous tetrafluoride resin has the problem of being hard) can be obtained. However, there was a lot of pressure on Cheeve,
For example, there is a problem in that when transparent liquid injection pressure, blood pressure, etc. are applied, air bubbles trapped in the resin pores flow out into the blood.
（発明の内容）
本発明はこのような問題点を解決し、低摩擦・抗血栓性
かつ水蜜性・気密性を有するチーーブを提供することを
目的とするものである。以下第３図に従って説明する。(Contents of the Invention) The object of the present invention is to solve these problems and provide a cheese having low friction, antithrombotic properties, water-tightness, and airtightness. This will be explained below according to FIG.
第８図は透明液案内通路を有するイメージファイバにお
いて本発明を適用した場合のチューブの断面図を示すも
のであり、チューブ１にフッ素ゴムが被覆しである。フ
ッ素ゴムは低摩擦・抗血栓性に優れており、かつ水蜜性
・気密性に富んでいるので本発明の目的が達成できる。FIG. 8 shows a cross-sectional view of a tube when the present invention is applied to an image fiber having a transparent liquid guide passage, and the tube 1 is coated with fluororubber. Fluororubber has excellent low friction and antithrombotic properties, and is highly watertight and airtight, so that the objects of the present invention can be achieved.
またチューブとしてポリテトラフルオロエチレンからな
るものを用いれば、フッ素ゴムによる被覆が容易になる
。なお図には外面・内面の両方にフッ素ゴム被覆を施し
ているが、外面に内面より□高い圧力が加わる場合は外
面のみ被覆し、その逆の場合には内面のみに被覆しても
よい。Furthermore, if a tube made of polytetrafluoroethylene is used, it becomes easy to cover the tube with fluororubber. In the figure, both the outer and inner surfaces are coated with fluororubber, but if a higher pressure is applied to the outer surface than the inner surface, only the outer surface may be coated, and in the opposite case, only the inner surface may be coated.
（発明の効果）
本発明によって低摩擦・抗血栓性に優れかつ水蜜性・気
密性を有するチューブを提供することができる。とくに
血管内に挿入して使用するような場合に適用すると、低
摩擦であるので操作性がよく、また外周に血栓が付着し
たすせず、かつ気泡等が血液中に流出しない等の効果が
得られる。(Effects of the Invention) According to the present invention, it is possible to provide a tube that is excellent in low friction and antithrombotic properties, and has watertightness and airtightness. In particular, when used by inserting it into a blood vessel, it has low friction, which makes it easy to operate, and also prevents clots from adhering to the outer periphery and air bubbles from leaking into the blood. can get.
第１図および第２図は従来の透明液案内通路を有するイ
メージファイバの外観図と断面図である。
第３図は上記イメージファイバに本発明を適用した場合
の断面図である。各図の番号を付した部分の名称を以下
に示す。
１・・・・・・チューブ、２・・・・・・イメージファ
イバおよび 照明用ファイバを束ねたもの、３・・・・
・・透明液案内通路、４・・・・・・イメージファイバ
、５・・・・・・照明用ファイバ、 ６・・・・・・フ
ッ素ゴム被覆大１目
Ｗ２図
ど
ア３図FIGS. 1 and 2 are an external view and a cross-sectional view of an image fiber having a conventional transparent liquid guiding passage. FIG. 3 is a cross-sectional view when the present invention is applied to the above image fiber. The names of the numbered parts in each figure are shown below. 1...Tube, 2...Bundle of image fiber and illumination fiber, 3...
...Transparent liquid guide passage, 4...Image fiber, 5...Lighting fiber, 6...Fluororubber coated large 1st W2 figure, 3rd figure
Claims (1)
することによって水蜜性・気密性を向上させたことを特
徴とする医用低摩擦チューブ■血液のように不透明な液
体中での視野を得るための透明液体案内通路として用い
ることを特徴とする特許請求の範囲第１項記載の医用低
摩擦チ■血液のように不透明な液体中で視野を得るため
に先端に透明バルーンを付けたイメージファイバの外皮
として用いることを特徴とする特許請求の範囲第１項記
載の医用低摩擦チューブ■多孔質ポリテトラフルオロエ
チレンか乙するチューブの外面または内面の少なくとも
１面にフッ素ゴムを被覆することを特徴とする特許請求
の範囲第１項・第２項・第８項・第４項記載の医用低摩
擦チューブ■Medical low-friction tube characterized by improved water tightness and airtightness by coating at least one of the outer or inner surfaces with fluororubber ■Transparency for obtaining visibility in opaque liquids such as blood A medical low-friction device according to claim 1, characterized in that it is used as a liquid guide path.■ As an outer skin of an image fiber with a transparent balloon attached to the tip to obtain a visual field in an opaque liquid such as blood. A patent characterized in that at least one of the outer or inner surfaces of the tube made of porous polytetrafluoroethylene is coated with fluororubber. Medical low friction tube according to claims 1, 2, 8, and 4
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58033639A JPS59160470A (en) | 1983-02-28 | 1983-02-28 | Medical low friction tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58033639A JPS59160470A (en) | 1983-02-28 | 1983-02-28 | Medical low friction tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59160470A true JPS59160470A (en) | 1984-09-11 |
Family
ID=12392016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58033639A Pending JPS59160470A (en) | 1983-02-28 | 1983-02-28 | Medical low friction tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59160470A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01265933A (en) * | 1988-04-15 | 1989-10-24 | Olympus Optical Co Ltd | Flexible tube of endoscope |
| JPH02185226A (en) * | 1988-12-23 | 1990-07-19 | Welch Allyn Inc | Flexible inserting-tube |
-
1983
- 1983-02-28 JP JP58033639A patent/JPS59160470A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01265933A (en) * | 1988-04-15 | 1989-10-24 | Olympus Optical Co Ltd | Flexible tube of endoscope |
| JPH02185226A (en) * | 1988-12-23 | 1990-07-19 | Welch Allyn Inc | Flexible inserting-tube |
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