JPS62281965A - カテ−テルおよびカテ−テル用固定部材 - Google Patents

カテ−テルおよびカテ−テル用固定部材

Info

Publication number
JPS62281965A
JPS62281965A JP61124337A JP12433786A JPS62281965A JP S62281965 A JPS62281965 A JP S62281965A JP 61124337 A JP61124337 A JP 61124337A JP 12433786 A JP12433786 A JP 12433786A JP S62281965 A JPS62281965 A JP S62281965A
Authority
JP
Japan
Prior art keywords
catheter
fixing member
catheter body
axial direction
ligature
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
JP61124337A
Other languages
English (en)
Other versions
JPH0333027B2 (ja
Inventor
陽助 森内
壽延 石田
正 香西
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.)
Terumo Corp
Original Assignee
Terumo Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14882847&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS62281965(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Terumo Corp filed Critical Terumo Corp
Priority to JP61124337A priority Critical patent/JPS62281965A/ja
Priority to EP87107700A priority patent/EP0247590B1/en
Priority to DE3788536T priority patent/DE3788536T2/de
Publication of JPS62281965A publication Critical patent/JPS62281965A/ja
Priority to US07/232,799 priority patent/US4906233A/en
Publication of JPH0333027B2 publication Critical patent/JPH0333027B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/0286—Holding devices, e.g. on the body anchored in the skin by suture or other skin penetrating devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/26—Cannula supporters

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】 ３、発明の詳細な説明 ■　発明の背景 （１）技術分野 本発明は、カテーテル、特に、体内に留置されるカテー
テルおよびカテーテル用固定部材に関する。
（２）先行技術およびその問題点 従来より、高カロリー輸液を行うために、中心静脈カテ
ーテル（以下、ＩＶＨカテーテル）が、用いられており
、また他に多くの体内（例えば、血管内）に長期間留置
されるカテーテルが使用されている。
ＩＶＨカテーテルなどのカテーテルの先端部は、血管内
に、例えば、ホローニードル法、カプトダウン法などを
用いて、挿入される。そして、人体より外側にあるカテ
ーテルは、カテーテルの移動を防止するために固定する
ことが必要となる。
このようなカテーテルを体内に留置したとき、合併症と
して、敗血症が起こることがあり、この原因は、カテー
テルの外側より体内に菌が入ることにあると言われてい
るが、特に、カテーテルを人体にしっかりと固定しない
とこの敗血症の発生率が高いと言われている。
そして、カテーテルを人体に固定する方法としては、人
体の外側にあるカテーテルをサージカルテープで固定す
る方法、皮下トンネルを作成してそこにダフロンカフ付
のカテーテルを挿入する方法、人体より外側にあるカテ
ーテルを皮膚に結紮糸により縫いつけて固定する方法が
ある。
サージカルテープで固定する方法では、カテーテルがず
れ易く確実な方法とは言えない。また皮下トンネルを作
成する方法は、確実ではあるが、手技が複雑であるため
あまり用いられない。
そして、この種のカテーテル、例えば、ＩＶ）（カテー
テルでは、留置期間が通常１〜２週間であることより、
手軽で確実な方法として、カテーテルを皮膚に結紮糸で
縫いつける方法が多く用いられている。
しかし、この方法を用いた場合、結紮糸により縛られた
部分でカテーテルが折れることがあり、また内腔が狭く
なって、カテーテル内に所定の流量で輸液剤を流入する
ことができなくなることがあった。
■　発明の目的 本発明の目的は、上記先行技術の問題点を解決し、結紮
糸により縛られた部分でカテーテルが折れることがなく
、また内腔が狭くなることもなく、よって、カテーテル
内に所定の流量で輸液剤を確実に流入することができる
カテーテルおよびカテーテルを皮膚に容易かつ確実に取
り付けることができるカテーテル用固定部材を提供する
ことにある。
上記目的を達成するものは、カテーテル本体と、該カテ
ーテル本体の挿通部を有し、かつ該カテーテル本体の軸
方向に移動可能である前記カテーテル本体を皮膚に固定
するための固定部材とからなるカテーテルである。
そして、前記固定部材は、前記カテーテル本体外径より
小さな内径を有する筒状体であり、かつ軸方向に延びる
スリットを有するものであることが好ましい。
また、前記固定部材は、外周の一部が軸方向に延びる平
面部となっていることが好ましい。
そして、前記固定部材は、可撓性材料からなることが好
ましい。
また、前記固定部材は、筒状体であり、かつ外周にカテ
ーテル本体の軸と交差する方向に延びる溝を有すること
が好ましい。
また、前記目的を達成するものは、カテーテル本体を皮
膚に固定するための固定部材であって、該カテーテル本
体の挿通部を有し、さらに該カテーテル本体の軸方向に
移動可能であるカテーテル用固定部材である。
そして、前記固定部材は、前記カテーテル本体外径より
小さな内径を有する筒状体であり、かつ軸方向に延びる
スリットを有するものであることが好ましい。
また、前記固定部材は、外周の一部が軸方向に延びる平
面部となっていることが好ましい。
そして、前記固定部材は、可撓性材料からなることが好
ましい。
また、前記固定部材は、筒状体であり、かつ外周にカテ
ーテル本体の挿通部の軸と交差する方向に延びる溝を有
することが好ましい。
■　発明の詳細な説明 本発明のカテーテルおよびカテーテル用固定部材を第１
図ないし第４図に示す実施例を用いて説明する。
本発明のカテーテル１は、カテーテル本体２と、カテー
テル本体２を皮膚に固定するための固定部材４とからな
る。
カテーテル本体２は、先端および後端が開口したチュー
ブ体であり、軟質樹脂で形成されている。軟質樹脂とし
ては、シリコーンゴム、軟質塩化ビニル樹脂、ポリウレ
タンエラストマーなどが使用される。
一般的に、ＩＶＨカテーテルの場合、カテーテル本体と
しては、内径が０．５〜１．’ｌｘｘ、外径が０．９〜
２Ａｘｘ程度のものが使用される。
固定部材４は、カテーテル本体２の挿通部３を有し、か
つカテーテル本体２の軸方向に移動可能である。移動可
能とするのは、皮膚に固定するために結紮糸で縛る位置
を任意に選択できるようにするためである。
挿通部３は、カテーテル本体を挿通ずる部分であり、カ
テーテル本体に固定部材４を移動可能とするためには、
たとえば、第１図に示すように、固定部材４が、カテー
テル本体２の外径と等しいか、わずかに小さい内径（挿
通部３の径）を有する筒状体であり、かつ軸方向に延び
るスリット６を有するものとすることが考えられる。
この固定部材４によれば、スリット６が広がることによ
り固定部材４をカテーテル本体２の軸方向に自由に移動
することができる。
そして、スリット６は、カテーテル本体２の軸方向に延
びておればよく、軸方向に平行、斜め、また、螺旋状で
あってもよい。好ましくは、カテーテル本体の軸と平行
に設けられることである。また、スリット６は固定部材
４を切開しただけのものでもよい。固定部材４がカテー
テル本体２に被嵌されたときこの切開部がスリット６と
なる。また、スリット６は一定の幅を有するものでもよ
く、固定部材４をカテーテル本体２に被嵌したとき、全
周の１７５以下、好ましくは１７１０以下であれば、結
紮糸により縛ったときに、カテーテル本体２の内腔を狭
くすることがない。
また、固定部材は、上記のような形態に限らず、固定部
材４の内径がわずかにカテーテル本体２の外径より大き
く、かつそれらの差が、皮膚に固定部材４を固定するた
めに結紮糸で縛ったときに、固定部材４とカテーテル本
体２とが密着し、カテーテル本体２を固定できるものと
してもよい。
固定部材４の長さは、いくらでもよいが、結紮糸を固定
部材上で縛ることおよび取扱いの容易さを考えると３〜
３０Ｊ！１１程度、より好ましくは５〜１５ｘｍ程度と
思われる。
そして、固定部材４は、可撓性材料により造られること
が好ましく、さらに、弾性を有することが好ましい。こ
のような材料として、軟質塩化ビニル樹脂、ゴム（例え
ば、ソリコーンゴム、ラテックスゴム）、ポリプロピレ
ン、ポリエチレン、ポリウレタンなどが好ましく使用で
きる。
さらに、固定部材４には、第２図に示すように、結紮糸
の移動防止手段として外周上に溝８を設けることが好ま
しい。この溝８を設けることにより、縛った結紮糸の移
動を防止することができるからである。よって、溝８は
結紮糸の移動を防止できるような形態であることが必要
であり、例えば、外周にカテーテル本体の軸と交差する
方向に延びる溝が形成されていることである。好ましく
は、第２図に示すように、筒状固定部材４の軸に直行す
るよう固定部材４の外周に環状のＦｌｔ８を設けること
である。
また、溝８は、結紮糸の移動を防止できればよく、必ず
しも固定部材４の全周でなくその一部のみとしてもよい
。溝８の形状は、Ｖ状、Ｕ状、その他どのような形状で
あってもよい。
また、溝８の代わりに、第４図に示すように、固定部材
４の外周の一部に周方向に延びる少なくとも２つのリブ
１２ａ、１２ｂを設け、そのリブ間により溝が形成され
るものでもよい。
さらに、固定部材４は、第３図に示すように、外周の一
部が軸方向に延びる平面部１０となっていることが好ま
しい。この平面部１ｏを設けることにより、皮膚と固定
部材との接触面積が広くなり、固定部材４の皮膚への固
定が容易かつ確実になるからである。また、固定部材４
の外周の一部に設けられた切り込み９は、結紮糸の移動
を防止するための溝を形成している。
本発明のカテーテルは、ＩＶＨカテーテルに限らず、体
内にある程度の期間留置される総てのカテーテルに使用
できる。
次に、本発明の実施例および比較例を説明する。
「実施例１」 軟質塩化ビニル樹脂により、外径１．５ｚｍ、内径０゜
８ｚｘで先端および後端が開口したカテーテル本体を作
成した。また、軟質塩化ビニル樹脂により、内径り、４
ｉ＋ｔ、外径３．０ｍｍ、長さ６．Ｑｌｌｌの円筒状チ
ューブにその軸方向に切れ目を有する固定部材を作成し
た。そして、カテーテル本体を固定部材に挿通し、本発
明のカテーテルを作成した。
尚、このカテーテルは、固定部材を容易に移動すること
ができた。
上記カテーテルを用い、厚さ６ｚｘのゴム板に３号結紮
糸（ナイロン糸）を用いて固定部材部分にて縛った。
この結果、固定部材によりカテーテル本体をゴム板に容
易かつ確実に取り付けることができた。
さらに、取り付けたとき、カテーテル本体の折れ曲がり
、内腔の狭窄は見られず、強く引っ張っても切れること
はなかった。
［実施例２］ 固定部材の外周に袖と直行する環状のＮ（Ｖ字状、深さ
０．５ｚｘ）を設けた以外は、実施例１と同じとした。
実施例１と同様に、固定部材を容易に移動することがで
きた。
そして、実施例１と同様に、厚さ６１１＆のゴム板に３
号結紮糸（ナイロン糸）を用いて、固定部材の溝に結紮
糸が入るように縛った。
この結果、固定部材によりカテーテル本体をゴム板に容
易かつ確実に取り付けることができた。
さらに、取り付けたとき、カテーテル本体の折れ曲がり
、内腔の狭窄は見られず、強く引っ張っても切れること
はなかった。　また、固定部材のみをもって引っ張って
も、結紮糸は移動しなかった。
〔実施例３コ 固定部材は、軟質塩化ビニル樹脂により形成し、内径が
１．４Ｊ１度、長さ６．０ｘｚ、肉薄部分の外径が３．
０ｘｚで、軸方向の長さ６．Ｏｗｘ、軸に垂直な方向の
長さが４．０ｘｍの平面部を設け、平面部の軸方向辺の
途中に軸に対称な位置にそれぞれ深さ０．８１スの切り
込みを設けた。
カテーテル本体は実施例１と同じものを用いた。
実施例１と同様に、固定部材を容易に移動することがで
きた。
そして、実施例１と同様に、厚さ６１１ＪＩのゴム仮に
３号結紮糸（ナイロン糸）を用いて、固定部材の切り込
みに結紮糸が入るように縛った。
この結果、固定部材によりカテーテル本体をゴム板に容
易かつ確実に取り付けることができた。
さらに、取り付けたとき、カテーテル本体の折れ曲がり
、内腔の狭窄は見られず、強く引っ張っても切れること
はなかった。また、固定部材のみをもって引っ張っても
、結紮糸は移動しなかった。さらに、固定部材のゴム板
への固定がより確実であった。
［比較例］ 軟質塩化ビニル樹脂により、外径１．５１１１１、内径
０゜８ｘｘで先端および後端が開口したカテーテルを、
実施例１ないし３と同様に、厚さ６１貢のゴム板に３号
結紮糸（ナイロン糸）を用いて固定部材部分にて縛った
。
この結果、少し強めに結紮すると、結紮系部で内腔の狭
窄や、カテーテル折れが生じた。また、カテーテルを強
く引っ張ると結紮したところで、カテーテルが切れてし
まった。
■　発明の具体的作用 本発明のカテーテルは、例えば、ＩＶＨカテーテルにお
いては、ホローニードル法により、カテーテル本体２の
先端部を血管内に挿入した後、固定部材４を固定する位
置の皮膚上まで移動し、カテーテルを固定部材４部分に
て結紮糸により皮膚に縫合し固定する。そして、カテー
テル本体２後端より、高カロリー輸液剤を流入する。
■　発明の具体的効果 本発明のカテーテルは、カテーテル本体と、該カテーテ
ル本体の挿通部を有し、かつ該カテーテル本体の軸方向
に移動可能である前記カテーテル本体を皮膚に固定する
ための固定部材とからなるものであるので、結紮糸によ
り縛られた部分でカテーテルが折れることがなく、また
内腔が狭くなることもなく、よって、カテーテル内に所
定の流量で輸液剤を確実に流入することができる。
そして、固定部材は、カテーテル本体外径より小さな内
径を有する筒状体であり、かつ軸方向に延びるスリット
を有するものであれば、カテーテル本体の軸方向の移動
を確実に行うことができる。
また、固定部材は、外周の一部が軸方向に延びる平面部
となっておれば、皮膚と固定部材との接触面積が広くな
り、固定部材の皮膚への固定が容易かつ確実になる。
また、固定部材は、筒状体であり、かつ外周にカテーテ
ル本体の軸と交差する方向に延びる溝を有していれば、
縛った結紮糸の移動を防止することができる。
本発明のカテーテル用固定部材は、カテーテル本体を皮
膚に固定するための固定部材であって、該カテーテル本
体の挿通部を有し、さらに該カテーテル本体の軸方向に
移動可能であるので、カテーテル本体が結紮糸部分で折
れ曲がったり、内腔が狭窄することなく、カテーテル本
体を皮膚に容易かつ確実に取り付けることができる。
【図面の簡単な説明】
第１図は、本発明のカテーテルの実施例を示す図面であ
り、第２図ないし第４図は、本発明のカテーテル用固定
部材の実施例を示す図面である。 エ・・・カテーテル　　　　２・・・カテーテル本体３
・・・挿通部　　　　　　４・・・固定部材６・・・ス
リット　　　　　　８・・・溝９°°°切り込み　　　
　　１０・・・平面部１２ａ、１２ｂ・・−リブ ］０ ３・・・挿通部 ４・・・固定部材　　　　　　　　　　　　　第４図６
・・・スリット

Claims (10)

    【特許請求の範囲】
  1. （１）カテーテル本体と、該カテーテル本体の挿通部を
    有し、かつ該カテーテル本体の軸方向に移動可能である
    前記カテーテル本体を皮膚に固定するための固定部材と
    からなることを特徴とするカテーテル。
  2. （２）前記固定部材は、前記カテーテル本体外径より小
    さな内径を有する筒状体であり、かつ軸方向に延びるス
    リットを有する特許請求の範囲第１項に記載のカテーテ
    ル。
  3. （３）前記固定部材は、外周の一部が軸方向に延びる平
    面部となっている特許請求の範囲第１項または第２項に
    記載のカテーテル。
  4. （４）前記固定部材は、可撓性材料からなる特許請求の
    範囲第１項ないし第３項のいずれかに記載のカテーテル
    。
  5. （５）前記固定部材は、筒状体であり、かつ外周にカテ
    ーテル本体の軸と交差する方向に延びる溝を有する特許
    請求の範囲第１項ないし第４項のいずれかに記載のカテ
    ーテル。
  6. （６）カテーテル本体を皮膚に固定するための固定部材
    であって、該カテーテル本体の挿通部を有し、さらに該
    カテーテル本体の軸方向に移動可能であることを特徴と
    するカテーテル用固定部材。
  7. （７）前記固定部材は、前記カテーテル本体外径より小
    さな内径を有する筒状体であり、かつ軸方向に延びるス
    リットを有する特許請求の範囲第６項に記載のカテーテ
    ル用固定部材。
  8. （８）前記固定部材は、外周の一部が軸方向に延びる平
    面部となっている特許請求の範囲第６項または第７項に
    記載のカテーテル用固定部材。
  9. （９）前記固定部材は、可撓性材料からなる特許請求の
    範囲第６項ないし第８項のいずれかに記載のカテーテル
    用固定部材。
  10. （１０）前記固定部材は、筒状体であり、かつ外周にカ
    テーテル本体の挿通部の軸と交差する方向に延びる溝を
    有する特許請求の範囲第６項ないし第９項のいずれかに
    記載のカテーテル用固定部材。
JP61124337A 1986-05-29 1986-05-29 カテ−テルおよびカテ−テル用固定部材 Granted JPS62281965A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61124337A JPS62281965A (ja) 1986-05-29 1986-05-29 カテ−テルおよびカテ−テル用固定部材
EP87107700A EP0247590B1 (en) 1986-05-29 1987-05-26 Catheter-securing member and catheter assembly mounted with the same
DE3788536T DE3788536T2 (de) 1986-05-29 1987-05-26 Katheterhalterung mit einem Katheter zusammengebaut.
US07/232,799 US4906233A (en) 1986-05-29 1988-08-16 Method of securing a catheter body to a human skin surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61124337A JPS62281965A (ja) 1986-05-29 1986-05-29 カテ−テルおよびカテ−テル用固定部材

Publications (2)

Publication Number Publication Date
JPS62281965A true JPS62281965A (ja) 1987-12-07
JPH0333027B2 JPH0333027B2 (ja) 1991-05-15

Family

ID=14882847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61124337A Granted JPS62281965A (ja) 1986-05-29 1986-05-29 カテ−テルおよびカテ−テル用固定部材

Country Status (4)

Country Link
US (1) US4906233A (ja)
EP (1) EP0247590B1 (ja)
JP (1) JPS62281965A (ja)
DE (1) DE3788536T2 (ja)

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Publication number Publication date
US4906233A (en) 1990-03-06
EP0247590A2 (en) 1987-12-02
DE3788536D1 (de) 1994-02-03
EP0247590A3 (en) 1988-11-30
DE3788536T2 (de) 1994-06-09
JPH0333027B2 (ja) 1991-05-15
EP0247590B1 (en) 1993-12-22

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