JPS61171985A - 可撓プラスチツク・チユ−ブ - Google Patents

可撓プラスチツク・チユ−ブ

Info

Publication number
JPS61171985A
JPS61171985A JP60246107A JP24610785A JPS61171985A JP S61171985 A JPS61171985 A JP S61171985A JP 60246107 A JP60246107 A JP 60246107A JP 24610785 A JP24610785 A JP 24610785A JP S61171985 A JPS61171985 A JP S61171985A
Authority
JP
Japan
Prior art keywords
tube
wall
defining
elongated
flexible plastic
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
Application number
JP60246107A
Other languages
English (en)
Other versions
JPH038436B2 (ja
Inventor
ウオルター・ピー・シーグムンド
ジヨージ・ジエイ・カーペンター
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Warner Lambert Technologies Inc
Original Assignee
Warner Lambert Technologies Inc
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 Warner Lambert Technologies Inc filed Critical Warner Lambert Technologies Inc
Publication of JPS61171985A publication Critical patent/JPS61171985A/ja
Publication of JPH038436B2 publication Critical patent/JPH038436B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005—Flexible endoscopes
    • A61B1/0051—Flexible endoscopes with controlled bending of insertion part
    • A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Materials For Medical Uses (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。

Description

【発明の詳細な説明】 本発明は可撓チューブに関し、特に内視鏡または類似の
診断医療用、獣医学用または工業用の用具に有用な可撓
プラスチック・チューブに関する。
従来技術によるかかるチューブは豊富であり、その代表
例は何れも日本国東京都のオリンパス光学会社の米国特
許第３，７３９，７７０号および米国特許第３，９４６
．７２７号に開示されている。
米国特許ＩＫ３，７３９，７７０号は反対方向に巻かれ
た１対の螺旋巻きの金属帯４１．４２を開示する。
米国特許第３，９４６，７２７号は樹脂さや１３により
被覆された単一の螺旋巻き金属１１を開示する。
他の構造は金属またはプラスチックのリングが相互に枢
動し、または部分的に抜き差しされて可撓性を増すよう
な、何らかのやり方で連結された一連のリングを含む。
螺旋巻きまたは個々の単部品の連結を必要とない斬新な
プラスチック可撓チューブを与えることが本発明の主目
的である。
連結された背椎状素子の継目なし連鎖を含む可撓チュー
ブを与えることが本発明のいま一つの目的である。
チューブ操作用ワイヤのための内部近接口および真空機
器、潅注器、鉗子等の如き従来の用具のための通路を与
える、医療用、獣医学用および工業用の内視鏡のための
安価な可撓チューブを与えることか本発明のさらに一つ
の特色である。
本発明の原理を取入れた可撓プラスチック・チューブは
概して円筒形の壁を有する管を画成する押出しまたは射
出成形の細長いプラスチック材を含み、該管は全て該管
と等長の、中央内腔を内蔵する内部の細長いウェブ構造
と、管壁に形成された複数の２次内腔と、中央内腔の完
全性を保ちつつ管チューブをより可撓性にするのに有効
でチューブの長手にそって管壁に形ぽされた複数の切欠
きと、を有することができる。
添付図面を参照しつつ本発明の詳細な説明する。　　　
　　　　　　　　　　　　　　　　　　　　　　　　　
　　　賽図面の細部を参照するに、本発明の基本実施例
１１において、壁１３を有する押出し、引抜きまたは射
出成形された可撓プラスチック・チューブ１２に、背椎
状要素１６を連結した連鎖を画成するように壁に交差す
る複数の切欠き１４−１４が形成される。
壁にも、場合によっては切欠き１４により中断される数
個の内腔１７−１７が形成される。
内腔１７−１７は公知のやり方で内視鏡の末端すなわち
ヘッドを操作するのに用いられるワイヤのための通路を
与える。
第２図において、別の実施例であるチューブ１８に内腔
２）を支持する内部ウェブ１９が形成される。
この例では切欠き２２は対向する対（つい）として配黄
され、ウェブ１９または内腔２）と交差したりそれらの
連続性を害することはない。
第３図の実施例において、チューブ２３は中央内腔２７
を支持する十字形のウェブ２４，２６を含む。
末端を自在に操作することを可能にするワイヤを受承す
るために４つの２次内腔２８−２８が設けられる。
本実施例において、切欠きは対向する対として配設され
るが、交互の対の位置を９０＠廻わしてチューブ全体の
剛性または強度を過度に失なわないようにしている。
切欠きの対向する対の交互の位置が第４図の２９．３１
に明らかに示される。
第４図はチューブを密封するために、チューブ２３を包
む、エラストマー材の薄膜の皮袋またはスリーブ（拡大
寸法）をも示す。
参照番号３２は内視鏡の末端を示す。
第３図に示される種々の記号の意味は下記の通りである
。
ＩＢ＝画儂画先用光学７１４ ７束＝導光ファイバ束 Ｓ＝吸込みまたは真空 Ｏ＝操作用ワイヤ 〜Ｗ＝空気または水 チューブの断面形態および切欠きの型を内視鏡の種々の
要求に合せて様々に設計することができる。
【図面の簡単な説明】
第１図は本発明の可撓チューブの一実施例の斜視図、 第２図は代替実施例を示す類似図、 第３図はいま一つの実施例を示す、チューブの断面図、 第４図は末端におけるヘッドと薄膜のカバーまたはスリ
ーブを取付けられたチューブの一部を示す縦断面図。 １２、１８．２３・・・チューブ 図面の浄３（内容に変更なし） ＦＩＧ、４ 手続補正書（方式） ％式％ １、事件の表示　　　　　　　　　　　＄昭和６０年計
１午願第　　２≠ｂ１０’７　　号３、補正をする者 事件との関係　　　出　願　人 住所 名　デ、ｒ　　ワーナーーランへ゛−トテフ１０ジ°−
又゛。 インコーセレーテ、７ド ４、代理人

Claims (8)

    【特許請求の範囲】
  1. （１）内視鏡等に有用な連結された背椎状要素の連鎖を
    画成する細長い可撓プラスチックであって、概して円形
    の壁を有する管を画成する細長い押出しまたは射出成形
    のプラスチック材を含み、全て等長の、中央内腔を内蔵
    する内部の細長いウェブ構造と、管壁に形成された複数
    の２次内腔と、前記中央内腔の完全性を保ちつつ前記管
    の可撓性を高めるのに有効で該チューブの長手にそって
    前記管壁に形成された複数の切欠きと、を前記管が有し
    ているチューブ。
  2. （２）前記切欠きが前記２次内腔と交差する、特許請求
    の範囲第（１）項に記載のチューブ。
  3. （３）前記切欠きがＶ字形断面形態を有する、特許請求
    の範囲第（２）項に記載のチューブ。
  4. （４）前記切欠きが対向する対（つい）として一様な型
    に配置されている、特許請求の範囲第（２）項に記載の
    チューブ。
  5. （５）前記切又きが薄肉のエラストマー膜板により密封
    される、特許請求の範囲第（１）項に記載のチューブ。
  6. （６）前記膜板が前記管の外側にかぶさるスリーブを画
    成する、特許請求の範囲第（５）項に記載のチューブ。
  7. （７）前記管の内部断面面積を各々が該管と等長である
    ４つの独立した扇形部分または４分円に分割する、２個
    の交差ウェブを前記ウェブ構造が画成する、特許請求の
    範囲第（１）項に記載のチューブ。
  8. （８）内視鏡等に有用な、連結された背椎状要素の連鎖
    を画成する細長い可撓プラスチックチューブであって、
    概して円形の壁と、該壁に形成された複数の内腔と、可
    撓性を高めるために長手にそって該壁に交差する複数の
    切欠きと、を有する管を画成する、細長いプラスチック
    の押出しまたは射出成形材を含むチューブ。
JP60246107A 1984-11-02 1985-11-01 可撓プラスチツク・チユ−ブ Granted JPS61171985A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/667,834 US4580551A (en) 1984-11-02 1984-11-02 Flexible plastic tube for endoscopes and the like
US667834 2000-09-21

Publications (2)

Publication Number Publication Date
JPS61171985A true JPS61171985A (ja) 1986-08-02
JPH038436B2 JPH038436B2 (ja) 1991-02-06

Family

ID=24679843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60246107A Granted JPS61171985A (ja) 1984-11-02 1985-11-01 可撓プラスチツク・チユ−ブ

Country Status (3)

Country Link
US (1) US4580551A (ja)
EP (1) EP0183585A3 (ja)
JP (1) JPS61171985A (ja)

Cited By (7)

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JP2001275935A (ja) * 2000-03-06 2001-10-09 Stm Medizintechnik Starnberg Gmbh 内視鏡シャフト
JP2004329254A (ja) * 2003-04-30 2004-11-25 Japan Lifeline Co Ltd 先端偏向操作可能カテーテル
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JP2008501477A (ja) * 2004-06-07 2008-01-24 ノバレ サージカル システムズ， インコーポレイテッド 可撓ヒンジによって接続されたリンクを備える関節運動機構
JP2008501478A (ja) * 2004-06-07 2008-01-24 ノバレ サージカル システムズ， インコーポレイテッド 外科用または診断用の工具の遠隔操作のためのリンク・システムおよび関節運動機構

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JPH038436B2 (ja) 1991-02-06
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US4580551A (en) 1986-04-08

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