JPS62258676A - Catheter - Google Patents
CatheterInfo
- Publication number
- JPS62258676A JPS62258676A JP61102871A JP10287186A JPS62258676A JP S62258676 A JPS62258676 A JP S62258676A JP 61102871 A JP61102871 A JP 61102871A JP 10287186 A JP10287186 A JP 10287186A JP S62258676 A JPS62258676 A JP S62258676A
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- sheath
- passage
- sheath catheter
- guide wire
- 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
Links
- 210000000626 ureter Anatomy 0.000 description 10
- 230000010339 dilation Effects 0.000 description 9
- 210000000056 organ Anatomy 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、尿管や泌尿系器官及びその他の器官の検査
、治療等に使用されるカテーテルに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a catheter used for testing and treating ureters, urinary system organs, and other organs.
従来、この種のカテーテルは、あらかじめ尿管その他の
器官内にガイドワイヤーを送り込み、そツカイドワイヤ
ーに沿って患部へ導入され、そしてこのカテーテル内に
内視鏡や各種の治療器具を挿入し、検査や治療が行われ
る。Conventionally, with this type of catheter, a guide wire was first sent into the ureter or other organ, and the guide wire was introduced to the affected area along the guided wire. Then, an endoscope and various treatment instruments were inserted into this catheter to perform examinations. and treatment.
しかしながら、上記従来例のカテーテルにおいては、カ
テーテルの通路の断面形状を円形又は楕円形状としてい
るため、このカテーテル内に内視鏡と共に各種の治療器
具を挿入すると、両者がからみつく等して同時に両者を
挿入するのが困難であるという問題点を有していた。However, in the conventional catheter described above, the cross-sectional shape of the passage of the catheter is circular or elliptical. Therefore, when various therapeutic instruments are inserted into this catheter together with an endoscope, the two may become entangled, causing both to become unusable at the same time. The problem was that it was difficult to insert.
この発明は、上記従来例のカテーテルが有する問題点を
解決するためになされたものであり、その構成を、断面
形状をくびれ部を有する略楕円形状とした通路を有する
シースカテーテルと、外断面形状を前記シースカテーテ
ルの通路に挿入し得る形状とすると共に適宜の通路を有
した拡張用カテーテルより成るものとしている。The present invention was made in order to solve the problems of the conventional catheter described above, and includes a sheath catheter having a passage whose cross-sectional shape is approximately elliptical with a constriction, and a sheath catheter having an outer cross-sectional shape. The dilation catheter has a shape that can be inserted into the passage of the sheath catheter and has an appropriate passage.
（作用〕
上記手段を施した結果、この発明のカテーテルは、尿管
その他の器官内にあらかじめ送り込まれたガイドワイヤ
ーに沿って患部へ導入した後、シ−スカテーテルのみを
留置することができ、そしてそのシースカテーテルのく
びれ部を境界とした通路の片側に内視鏡を挿入し、同じ
く通路のもう片側に治療、検査器具を挿入することがで
きる。(Function) As a result of implementing the above means, the catheter of the present invention can be introduced into the affected area along a guide wire that has been sent in advance into the ureter or other organs, and then only the sheath catheter can be left indwelling. An endoscope can be inserted into one side of the passage bordered by the constriction of the sheath catheter, and treatment and testing instruments can be inserted into the other side of the passage.
（実施例〕
以下、この発明の構成を一実施例として示した図面に従
って説明する。(Example) Hereinafter, the configuration of the present invention will be described with reference to the drawings showing one example.
（１）はこの発明のカテーテルを構成するシースカテー
テルであり、（２）は同じく拡張用カテーテルである。(1) is a sheath catheter constituting the catheter of the present invention, and (2) is also a dilation catheter.
シースカテーテル（１）は、第２図に示すように断面形
状をくびれ部（３）を有する略楕円形状とした通路（４
）を有しており、尿管等の圧力に対して管が閉塞せず、
尿管その他の器官を傷つけないように柔軟性を有し、し
かも透明な材質から構成されている。さらに、必要に、
応じこのシースカテーテル（１）の先端部にはアダプタ
ー（５）を取り付けることができる。このアダプター（
５）は第３図及び第４図に示したように、略Ｙ字形状の
分岐短管（６）を外部材（７）で保持したものであり、
分岐していない方の先端部の外断面形状を前記シースカ
テーテル（１）の通路（４）に嵌合し得る形状とし、分
岐部内にはそれぞれ開閉弁（８）を設けたものとしてい
る。As shown in FIG.
), the tube does not get blocked by the pressure of the ureter, etc.
It is made of a flexible and transparent material so as not to damage the ureter or other organs. Furthermore, if necessary,
Accordingly, an adapter (5) can be attached to the distal end of the sheath catheter (1). This adapter (
5), as shown in FIGS. 3 and 4, is a substantially Y-shaped branch short pipe (6) held by an external member (7),
The outer cross-sectional shape of the non-branched tip is shaped to fit into the passageway (4) of the sheath catheter (1), and an on-off valve (8) is provided in each branch.
拡張用カテーテル（２）は、第６図に示すように外断面
形状を前記シースカテーテル（１）の通路（４）に挿入
し得る形状（この実施例では、外断面形状を前記シース
カテーテル（１）の通路（４）より一回り小さくした、
くびれ部を有する略楕円形状としている。）とすると共
にガイドワイヤー等の通路（９）を有しており、シース
カテーテル（１）を保持すると共に尿管等に挿入し得る
に充分な強度と弾力性を有している。さらに、拡張用カ
テーテル（２）の一方の先端部は細く鋭く形成し、他方
の先端部は分岐させ、分岐部先端にそれぞれアダプター
（１０）を取り付けている。The expansion catheter (2) has an outer cross-sectional shape that can be inserted into the passageway (4) of the sheath catheter (1) as shown in FIG. ) is slightly smaller than passage (4),
It has a generally elliptical shape with a constricted portion. ) and has a passageway (9) for a guide wire or the like, and has sufficient strength and elasticity to hold the sheath catheter (1) and insert it into a ureter or the like. Further, one tip of the dilation catheter (2) is formed thin and sharp, the other tip is branched, and an adapter (10) is attached to each tip of the branch.
尚、前記シースカテーテル（１）及び拡張用カテーテル
（２）の太さや長さは、患者が成人であるか新生児であ
るか等によって使い分けられるように種々の寸法のもの
にすることができる。The sheath catheter (1) and dilation catheter (2) can have various thicknesses and lengths so that they can be used depending on whether the patient is an adult or a newborn.
次に、上記構成としたこの発明のカテーテルの使用状態
について説明する。Next, the state of use of the catheter of the present invention having the above structure will be explained.
このカテーテルは、あらかじめ尿管その他の器官内にガ
イドワイヤーを送り込み、そのガイドワイヤーに沿って
患部へと導入されるのは従来例のものと同じである。This catheter is the same as the conventional catheter in that a guide wire is sent into the ureter or other organ in advance, and the catheter is introduced into the affected area along the guide wire.
そこで先ず、第７図に示したようにシースカテーテル（
１）の通！ （４）に拡張用カテーテル（２）を挿入し
、拡張用カテーテル（２）の細く鋭く形成した先端部が
シースカテーテル（１）の先端部より突出した状態にす
る。Therefore, first, as shown in Fig. 7, the sheath catheter (
1) Message! The dilation catheter (2) is inserted into (4) so that the thin and sharp tip of the dilation catheter (2) protrudes from the tip of the sheath catheter (1).
一方、膀胱鏡を用い、市販のガイドワイヤーを尿管内に
挿入し、このガイドワイヤーを案内とし前記拡張用カテ
ーテル（２）の通路（９）をガイドワイヤーに沿わせて
、カテーテルを同じく挿入する。On the other hand, using a cystoscope, a commercially available guide wire is inserted into the ureter, and using this guide wire as a guide, the catheter is also inserted along the passage (9) of the dilation catheter (2) along the guide wire.
次に、ガイドワイヤーおよび拡張用カテーテル（２）を
抜去し、尿管内にシースカテーテル（１）のみを留置さ
せた状態にする。Next, the guide wire and dilation catheter (2) are removed, leaving only the sheath catheter (1) indwelling in the ureter.
そして、必要に応じこのシースカテーテル（１）の先端
部にアダプター（５）を取り付けて、シースカテーテル
（１）のくびれ部（３）を境界とした通路（４）の片側
に内視鏡を挿入し、同じく通路（４）のもう片側に各種
の器具を挿入し、各々の検査、処置、治療を行う。Then, if necessary, attach an adapter (5) to the tip of this sheath catheter (1), and insert the endoscope into one side of the passageway (4) bordered by the constriction (3) of the sheath catheter (1). Similarly, various instruments are inserted into the other side of the passageway (4), and various tests, treatments, and treatments are performed.
向、シースカテーテル（１）を透明とした場合には、尿
路系内部の観察が内視鏡により可能である。On the other hand, when the sheath catheter (1) is made transparent, the inside of the urinary tract system can be observed using an endoscope.
以上に述べたようにこの発明のカテーテルは構成されて
いるので、尿管その他の器官の組織、粘膜等を破損する
ことなく各種の検査、治療器具の挿入、抜去ができ、さ
らに内視鏡と共に各種の検査、治療器具を同時に挿入し
ても、両者がからみつくことなく簡単に両者を挿入する
ことができるものである等、優れた効果を有する。As described above, the catheter of the present invention is constructed so that various examinations and treatment instruments can be inserted and removed without damaging the tissues and mucous membranes of the ureter and other organs. Even if various examination and treatment instruments are inserted at the same time, they can be easily inserted without becoming entangled, and have excellent effects.
図面はこの発明の一実施例を示すもので、第１図はシー
スカテーテルの斜視図、第２図は第１図中のＡ−Ａ線に
よる拡大断面図、第３図はアダブターの斜視図、第４図
はアダプターの横断面図、第５図は拡張用カテーテルの
斜視図、第６図は第５図中のＢ−Ｂ！１Ｊｉｊによる拡
大断面図、第７図はシースカテールに拡張用カテーテル
を挿入した状態を示す斜視図である。
（１）・・・シースカテーテルThe drawings show an embodiment of the present invention; FIG. 1 is a perspective view of a sheath catheter, FIG. 2 is an enlarged sectional view taken along line A-A in FIG. 1, and FIG. 3 is a perspective view of an adapter. Fig. 4 is a cross-sectional view of the adapter, Fig. 5 is a perspective view of the dilation catheter, and Fig. 6 is taken from BB in Fig. 5! 1Jij is an enlarged cross-sectional view, and FIG. 7 is a perspective view showing a state in which the expansion catheter is inserted into the sheath catheter. (1)...Sheath catheter
Claims (1)
を有するシースカテーテルと、外断面形状を前記シース
カテーテルの通路に挿入し得る形状とすると共に適宜の
通路を有した拡張用カテーテルより成ることを特徴とす
るカテーテル。1. Consists of a sheath catheter having a passage whose cross-sectional shape is approximately elliptical with a constriction, and an expansion catheter whose outer cross-sectional shape is such that it can be inserted into the passage of the sheath catheter and has an appropriate passage. A catheter characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61102871A JPS62258676A (en) | 1986-05-01 | 1986-05-01 | Catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61102871A JPS62258676A (en) | 1986-05-01 | 1986-05-01 | Catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62258676A true JPS62258676A (en) | 1987-11-11 |
| JPH0335946B2 JPH0335946B2 (en) | 1991-05-29 |
Family
ID=14338960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61102871A Granted JPS62258676A (en) | 1986-05-01 | 1986-05-01 | Catheter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62258676A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07178183A (en) * | 1993-11-04 | 1995-07-18 | Medtronic Inc | Sheath introducer |
| US7156812B2 (en) | 1991-11-08 | 2007-01-02 | Mayo Foundation For Medical Education & Research | Volumetric image ultrasound transducer underfluid catheter system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4845494U (en) * | 1971-09-30 | 1973-06-14 | ||
| JPS5389097U (en) * | 1976-12-23 | 1978-07-21 |
-
1986
- 1986-05-01 JP JP61102871A patent/JPS62258676A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4845494U (en) * | 1971-09-30 | 1973-06-14 | ||
| JPS5389097U (en) * | 1976-12-23 | 1978-07-21 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7156812B2 (en) | 1991-11-08 | 2007-01-02 | Mayo Foundation For Medical Education & Research | Volumetric image ultrasound transducer underfluid catheter system |
| JPH07178183A (en) * | 1993-11-04 | 1995-07-18 | Medtronic Inc | Sheath introducer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0335946B2 (en) | 1991-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |