JPS63267345A - Clip device of living tissue - Google Patents
Clip device of living tissueInfo
- Publication number
- JPS63267345A JPS63267345A JP62101411A JP10141187A JPS63267345A JP S63267345 A JPS63267345 A JP S63267345A JP 62101411 A JP62101411 A JP 62101411A JP 10141187 A JP10141187 A JP 10141187A JP S63267345 A JPS63267345 A JP S63267345A
- Authority
- JP
- Japan
- Prior art keywords
- clip
- clips
- substance
- low
- living tissue
- 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
- 239000000126 substance Substances 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 230000009466 transformation Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000012781 shape memory material Substances 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は生体腔内における生体組織のクリップ装置に関
する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a device for clipping living tissue within a living cavity.
従来における生体組織のクリップ装置は特開昭６０−１
０３９４６号公報に示されるように導入管の先端部分に
クリップを内蔵し、このクリップに係止するフックを先
端に有し上記導入管に挿通した操作ワイヤにより係脱操
作を行なうようにしたものである。そして、これを使用
する場合にはあらかじめ導入管の先端部分にクリップを
内蔵し、内視鏡の挿通用チャンネルを通じて体腔内に導
入して使用するようになっている。A conventional biological tissue clipping device is disclosed in Japanese Patent Application Laid-Open No. 60-1
As shown in Japanese Patent Application No. 03946, a clip is built into the tip of the introduction tube, and a hook is attached to the tip of the introduction tube, and the operation wire inserted into the introduction tube is used to perform the engagement/disengagement operation. be. When using this, a clip is built into the distal end of the introduction tube in advance, and the introduction tube is introduced into the body cavity through the insertion channel of the endoscope.
しかしながら、上記従来のクリップ装置はその導入管の
先端部に１個のクリップしか装着できないために、内視
鏡の挿通用チャンネルを通じて体腔内への一度の挿入に
つき一個のクリップしか使用できない。このため、生体
腔内における１（数か所の生体組織をクリップする場合
には毎回、内視鏡の挿通チャンネル引く抜き、クリップ
を装着して再び挿通し直す必要があった。したがって、
繁雑な作業が必要であるとともに時間がかかりすぎると
いう欠点があった。However, since the conventional clip device described above can only attach one clip to the distal end of the introduction tube, only one clip can be used for each insertion into the body cavity through the insertion channel of the endoscope. For this reason, each time when clipping living tissue at several locations within a living body cavity, it was necessary to pull out the insertion channel of the endoscope, attach the clip, and reinsert it again.
This method has the disadvantage that it requires complicated work and takes too much time.
本発明は上記事情に着目してなされたもので、その目的
とするところは複数のクリップを装着して挿入したまま
続けてクリップ作業を行なうことができる生体組織のク
リップ装置を提供することにある。The present invention has been made in view of the above-mentioned circumstances, and its purpose is to provide a biological tissue clipping device that can carry out clipping operations continuously while a plurality of clips are attached and inserted. .
〔問題点を解決するための手段および作用〕上記問題点
を解決するために本発明の生体組織のクリップ装置はシ
ース内に複数のクリップを内蔵し、この各クリップを進
退させる操作部材を設け、上記クリップおよび操作部材
は低融点物質により連結したものである。[Means and operations for solving the problems] In order to solve the above problems, the biological tissue clipping device of the present invention has a plurality of clips built into the sheath, and is provided with an operating member for advancing and retracting each clip. The clip and the operating member are connected by a low melting point substance.
そして、上記操作部材により上記クリップを一個ずつ押
し出しながら低融点物質を溶融してそのクリップを取り
外すようにした。つまり、いわゆる連発式に使用できる
。Then, while pushing out the clips one by one using the operating member, the low melting point substance is melted and the clips are removed. In other words, it can be used in a so-called continuous firing mode.
第１図ないし第４図は本発明の第１の実施例を示すもの
である。図中１は可撓性のシースであり、このシース１
はテフロンなどのチューブにより形成されている。そし
て、このシース１は内視鏡の挿通チャネルを通じて体腔
内に導入できるようになっている。1 to 4 show a first embodiment of the present invention. In the figure, 1 is a flexible sheath, and this sheath 1
is made of a Teflon tube. This sheath 1 can be introduced into a body cavity through an insertion channel of an endoscope.
このシース１内にはそのほぼ全長にわたり挿通した操作
部材としての操作ワイヤ２が設けられている。この操作
ワイヤ２はたとえばステンレス製のより線により構成さ
れている。そして、この操作ワイヤ２は上記シース１の
手元側における操作により進退させられるようになって
いる。また、シース１の先端部内には段数のクリップ３
が前後方向に一列に並んで装填されている。この各クリ
ップ３は形状記憶合金等の形状記憶材料からなる帯状板
の中間部分を曲げてＵ字状に形成してなり、その両先端
にはそれぞれ挟持用の爪部４，４が形成されている。さ
らに、各クリップ３は所定の変態温度（Ｔ１）まで加熱
したときに開くように形状が記憶されている。このとき
の変態温度（Ｔ１）はたとえば４０°〜５０°Ｃに設定
されている。An operating wire 2 serving as an operating member is provided within this sheath 1 and is inserted over almost the entire length of the sheath 1. The operating wire 2 is made of, for example, stainless steel stranded wire. The operating wire 2 can be advanced or retreated by operating the sheath 1 on the proximal side. In addition, there are several stages of clips 3 inside the distal end of the sheath 1.
are loaded in a line in the front and rear direction. Each clip 3 is formed by bending the middle part of a band-shaped plate made of a shape memory material such as a shape memory alloy into a U shape, and has claws 4, 4 for clamping at both ends thereof. There is. Further, each clip 3 has a shape memorized so that it opens when heated to a predetermined transformation temperature (T1). The transformation temperature (T1) at this time is set to, for example, 40° to 50°C.
そして、シース１の先端部内に閉じた各クリップ３を前
後方向に一列に並べて装填するようになっている。また
、この各クリップ３の隣接部分間はたとえばろう等の低
融点物質５を介して連結されている。さらに、最後部の
クリップ３と操作ワイヤ２の先端との間も低融点物質５
により連結されている。この低融点物質５の融点Ｔ２は
変態温度（Ｔ１）より高いたとえば５５”〜８０°Ｃの
ものが用いられる。すなわち、Ｔ、＜Ｔ２の関係に設定
する。The closed clips 3 are then loaded into the distal end of the sheath 1 in a row in the front-rear direction. Adjacent portions of each clip 3 are connected via a low melting point substance 5 such as wax. Furthermore, a low melting point substance 5 is also present between the rearmost clip 3 and the tip of the operating wire 2.
are connected by The melting point T2 of the low melting point substance 5 is higher than the transformation temperature (T1), for example, from 55'' to 80°C. That is, the relationship T<T2 is set.
さらに、上記シース１の最先端にはリング状の発熱体６
が同心的に取着されている。この発熱体６は通電される
ことにより発熱する電熱体からなり、これには」１記シ
ース１により案内される一対の電線７．７が接続されて
いる。そして、この電線７，７を通じてその発熱体６に
通電することにより発熱させる加熱手段を構成している
。Furthermore, a ring-shaped heating element 6 is provided at the leading end of the sheath 1.
are attached concentrically. The heating element 6 is an electric heating element that generates heat when energized, and a pair of electric wires 7.7 guided by the sheath 1 are connected to it. A heating means is configured to generate heat by supplying electricity to the heating element 6 through the electric wires 7, 7.
次に、上記構成のクリップ装置についての使用方法を説
明する。まず、第１図で示すように各クリップ３をそれ
ぞれ閉じる。さらに、段数のクリップ３が前後方向に一
列に並べ各隣接するもの同士を低融点物質５により連結
し、さらに、操作ワイヤ２の先端と最後部のクリップ３
とも低融点物質５により連結する。Next, a method of using the clip device having the above configuration will be explained. First, each clip 3 is closed as shown in FIG. Further, a number of stages of clips 3 are arranged in a row in the front-rear direction and each adjacent clip is connected to each other by a low melting point substance 5, and furthermore, clips 3 at the tip and the rearmost part of the operating wire 2 are
Both are connected by a low melting point substance 5.
この状態で内視鏡の挿通チャンネルを通じてこれを体腔
内に導入する。そこで、電線７，７を通じて発熱体６に
通電することにより発熱体６を発熱させ、最先端のクリ
ップ３をを変態温度（Ｔ１）より高く、低融点物質５の
融点Ｔ２より低い温度に加熱する。これによりその最先
端のクリップ３は記憶形状を復元し、第２図で示すよう
に自ら開く。In this state, the endoscope is introduced into the body cavity through the insertion channel. Therefore, by supplying electricity to the heating element 6 through the electric wires 7, 7, the heating element 6 is made to generate heat, and the cutting edge clip 3 is heated to a temperature higher than the transformation temperature (T1) and lower than the melting point T2 of the low melting point substance 5. . This causes the leading edge clip 3 to restore its memorized shape and open itself as shown in FIG.
この後、クリップ３を冷却する（必ずしも冷却しなくと
もよい。）。そして、生体組織１０をクリップする場合
には開いたクリップ３の爪部４゜４間に生体組織１０を
取り込んで位置させながら第３図で示すように操作ワイ
ヤ２を手元側に引くことによりクリップ３をシース１の
先端部内に引き込み、クリップ３を閉じる。これにより
クリップ３は変形して生体組織１０を挟み込んだ状態と
なる。さらに、この状態を維持しながら再び電線７．７
を通じて発熱体６に通電することにより発熱体６を発熱
させ、最先端のクリップ３を介して低融点物質５をその
融点Ｔ２より高い温度に加熱する。これにより低融点物
質５は溶融し次のクリップ３から切り離す。゛そして、
変態温度（Ｔ１）より低くなるまで冷却する。したがっ
て、クリップ３は塑性変形して生体組織１０を挟み込ん
た状態を維持するようになる。そこで、第４図で示すよ
うに操作ワイヤ２を押し出してクリップ３を放出する。After this, the clip 3 is cooled (it does not necessarily have to be cooled). When the living tissue 10 is to be clipped, the living tissue 10 is taken in and positioned between the claws 4 of the opened clip 3, and the operating wire 2 is pulled toward the proximal side as shown in FIG. 3 into the distal end of the sheath 1 and close the clip 3. As a result, the clip 3 is deformed and becomes in a state where the living tissue 10 is sandwiched. Furthermore, while maintaining this state, connect the wire 7.7 again.
By supplying electricity to the heating element 6 through the clip, the heating element 6 is made to generate heat, and the low melting point substance 5 is heated to a temperature higher than its melting point T2 through the cutting edge clip 3. As a result, the low melting point substance 5 is melted and separated from the next clip 3.゛And,
Cool until it becomes lower than the transformation temperature (T1). Therefore, the clip 3 is plastically deformed and maintains the state in which the living tissue 10 is sandwiched. Then, as shown in FIG. 4, the operating wire 2 is pushed out to release the clip 3.
しかして、生体組織ｌＯをクリップ３でクリップするこ
とができる。Thus, the living tissue IO can be clipped with the clip 3.
また、続けて別の生体組織１０をクリップする場合には
次のクリップ３を前進させて第２図の状態にして上記同
様の動作を行なわせればその生体組織１０もクリップで
きる。つまり、内視鏡の挿通チャンネルかられざわざ引
き抜くことなく、続けて複数回のクリップを行なうこと
ができる。したがって、短時間で容易に複数箇所の生体
組織をクリップできる。Further, when another living tissue 10 is to be clipped successively, the next living tissue 10 can also be clipped by advancing the next clip 3 to the state shown in FIG. 2 and performing the same operation as described above. In other words, clipping can be performed multiple times in succession without having to take the trouble of pulling out the endoscope from the insertion channel. Therefore, living tissues at multiple locations can be easily clipped in a short time.
第５図は本発明の第２の実施例を示すものである。この
実施例のクリップ３はその全体的な形状は上記同様であ
るが、その両先端部分２０．２０のみを形状記憶材料で
形成してなり、中間部分２１を熱導電性部材で形成する
。さらに、両先端部分２０．２０と中間部分２１との間
の部分２２゜２２を断熱部材で形成したものである。そ
のたは上記第１の実施例のものと同様とする〜なお、本
発明は上記各実施例のものに限定されるものではない。FIG. 5 shows a second embodiment of the invention. The clip 3 of this embodiment has the same overall shape as described above, but only its two end portions 20 and 20 are formed of a shape memory material, and the intermediate portion 21 is formed of a thermally conductive material. Further, a portion 22.degree. 22 between both tip portions 20, 20 and the intermediate portion 21 is formed of a heat insulating member. Alternatively, it may be the same as that of the first embodiment described above.The present invention is not limited to those of each of the above embodiments.
たとえばクリップを体温以下で開き、体温以上で開くよ
うにその形状記憶材料を組み込んでもよい。For example, the clip may open below body temperature and its shape memory material may be incorporated to open above body temperature.
以上説明したように本発明の生体組織のクリップ装置に
よれば、−庇体腔内に挿入しただけで、）隻数のクリッ
プを一個ずつ連発式に使用できる。As explained above, according to the biological tissue clipping device of the present invention, it is possible to use as many clips as one clip at a time by simply inserting the clip into the body cavity.
したがって、クリップを一個使用するごとにこのクリッ
プ装置を体腔外に引き出す必要がない。このため、迅速
かつ容易に使用でき、また、患者の苦痛を軽減できる。Therefore, there is no need to pull out the clip device out of the body cavity each time one clip is used. Therefore, it can be used quickly and easily, and the pain for the patient can be reduced.
第１図ないし第４図は本発明の第１の実施例を示すそれ
ぞれ使用手順を順次示す側断面図、第５図は本発明の第
２の実施例を示すクリップの側面図である。
１・・・シース、２・・・操作ワイヤ、３・・・クリッ
プ、５・・・低融点物質、６・・・発熱体。
出願人代理人 弁理士 坪 井 淳
ぐ ぐ
手続ネ１１正書
昭和 年６２月３．１ｂ1 to 4 are side sectional views showing the first embodiment of the present invention, each sequentially illustrating the usage procedure, and FIG. 5 is a side view of a clip showing the second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1...Sheath, 2...Operation wire, 3...Clip, 5...Low melting point substance, 6...Heating element. Applicant's representative Patent attorney Atsushi Tsuboi Procedures 11, Showa 1962, 3.1b
Claims (1)
このクリップを進退させる操作部材と、上記クリップお
よび操作部材を互いに連結する低融点物質とを具備した
ことを特徴とする生体組織のクリップ装置。a sheath; a plurality of clips inserted into the sheath;
A biological tissue clipping device characterized by comprising an operating member for advancing and retracting the clip, and a low melting point substance for connecting the clip and the operating member to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62101411A JPS63267345A (en) | 1987-04-24 | 1987-04-24 | Clip device of living tissue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62101411A JPS63267345A (en) | 1987-04-24 | 1987-04-24 | Clip device of living tissue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63267345A true JPS63267345A (en) | 1988-11-04 |
Family
ID=14299967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62101411A Pending JPS63267345A (en) | 1987-04-24 | 1987-04-24 | Clip device of living tissue |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63267345A (en) |
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