JPH0557021A - Needle treatment tool - Google Patents
Needle treatment toolInfo
- Publication number
- JPH0557021A JPH0557021A JP3218557A JP21855791A JPH0557021A JP H0557021 A JPH0557021 A JP H0557021A JP 3218557 A JP3218557 A JP 3218557A JP 21855791 A JP21855791 A JP 21855791A JP H0557021 A JPH0557021 A JP H0557021A
- Authority
- JP
- Japan
- Prior art keywords
- outer sheath
- needle
- wire
- tip
- sheath
- 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.)
- Withdrawn
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、生体腔内の患部部位に
穿刺することによって種々の処置を行なう穿刺針処置具
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a puncture needle treatment instrument for performing various treatments by puncturing an affected area in a living body cavity.
【０００２】[0002]
【従来の技術】従来、このような穿刺針処置具は、先端
に管状の針部を備えた可撓性を有する内側シースをテフ
ロンチューブからなる柔軟な外側シース内に挿脱自在に
配置して構成されている。そして、前記穿刺針処置具
は、例えば経内視鏡的に生体管腔内に挿入され、内側シ
ースの前記先端針部を外側シース先端から突き出して、
例えば患部部位である管腔壁に穿刺し、針部の内孔を通
じて前記管腔壁に薬液等を注入投与したりしている（実
開昭６４ー５０８３７号公報）。2. Description of the Related Art Conventionally, in such a puncture needle treatment instrument, a flexible inner sheath having a tubular needle portion at its distal end is detachably disposed in a flexible outer sheath made of a Teflon tube. It is configured. Then, the puncture needle treatment instrument is inserted endoscopically into a living body lumen, and the distal end needle portion of the inner sheath is projected from the outer sheath distal end,
For example, the lumen wall which is the affected area is punctured, and a drug solution or the like is injected into the lumen wall through the inner hole of the needle portion (Japanese Utility Model Laid-Open No. 64-50837).
【０００３】[0003]
【発明が解決しようとする課題】ところで、前記穿刺針
処置具を構成する外側シースは可撓性を有するものであ
るが、その先端の向きは前記内視鏡等によって規制さ
れ、それ自身で所望の方向に向けることができなかっ
た。したがって、外側シースの前記先端開口より突出す
る内側シースの先端針部を所望する部位に簡単かつ確実
に穿刺することができなかった。特に、細長い生体管腔
の狭い空間内における所望部位に対して針部を穿刺する
ことは容易ではなかった。The outer sheath forming the puncture needle treatment instrument is flexible, but the direction of the distal end thereof is restricted by the endoscope or the like, and is desired by itself. I couldn't turn to. Therefore, it has not been possible to easily and reliably puncture the desired portion of the distal end needle portion of the inner sheath protruding from the distal end opening of the outer sheath. In particular, it has not been easy to puncture a desired portion within a narrow space of an elongated living body lumen with a needle portion.
【０００４】本発明は上記事情に着目してなされたもの
であり、その目的とするところは、生体管腔内の所望部
位に対して容易に穿刺することができる穿刺針処置具を
提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a puncture needle treatment instrument capable of easily puncturing a desired site in a lumen of a living body. It is in.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に、本発明は、生体腔内に挿通可能な可撓性を有する外
側シースと、この外側シース内に挿脱自在に設けられ、
先端に針部を備えた可撓性を有する内側シースとからな
る穿刺針処置具において、前記外側シース内に挿通さ
れ、先端側が前記外側シースの先端部側壁に設けられた
穿孔より外部に導出されるとともにこの導出された端部
が前記外側シースの先端に取着されたワイヤと、このワ
イヤを牽引操作する手段とを具備したものである。In order to solve the above-mentioned problems, the present invention provides a flexible outer sheath which can be inserted into a living body cavity, and an insertable / removable outer sheath.
In a puncture needle treatment instrument comprising a flexible inner sheath having a needle portion at its tip, the instrument is inserted into the outer sheath, and the tip side is led out from a hole provided in a side wall of the tip portion of the outer sheath. In addition, the drawn-out end portion is provided with a wire attached to the tip of the outer sheath, and a means for pulling and operating the wire.
【０００６】[0006]
【作用】上記構成により、ワイヤを牽引操作すれば外側
シースはその牽引方向に湾曲する。外側シースの湾曲に
伴って、外側シース内に配置された内側シース先端の針
部は所望する方向に突き出ることができる。With the above structure, when the wire is pulled, the outer sheath bends in the pulling direction. With the bending of the outer sheath, the needle portion at the tip of the inner sheath disposed in the outer sheath can protrude in a desired direction.
【０００７】[0007]
【実施例】以下、図面を参照しつつ本発明の実施例を説
明する。図１は本発明の一実施例を示すものである。図
１の（ａ）に示すように、本実施例の穿刺針処置具１
は、例えばコイル管からなる可撓性の内側シース２を例
えばテフロンチューブからなる可撓性の外側シース４内
に挿脱自在に配置して構成されている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of the present invention. As shown in FIG. 1A, the puncture needle treatment tool 1 according to the present embodiment.
Is configured such that the flexible inner sheath 2 made of, for example, a coil tube is disposed in the flexible outer sheath 4 made of, for example, a Teflon tube so as to be insertable and removable.
【０００８】内側シース２の先端には管状の針部６が設
けられている。この針部６の先端は、針部６を容易に目
的部位に穿刺できるようテーパ状に形成されている。ま
た、針部６の内孔６ａは先端の開口６ｂにおいて外部と
連通状態にある。A tubular needle portion 6 is provided at the tip of the inner sheath 2. The tip of the needle portion 6 is formed in a tapered shape so that the needle portion 6 can be easily punctured at a target site. The inner hole 6a of the needle portion 6 is in communication with the outside at the opening 6b at the tip.
【０００９】一方、内側シース２の基端には送通口金８
が設けられている。送通口金８の送通孔と内側シース２
の内孔２ａおよび針部６の内孔６ａは共に連通状態にあ
って、送通口金８から送り込まれる送通物を内側シース
２の内孔２ａを通じて針部６の内孔６ａから外部へと導
出できるようになっている。On the other hand, at the base end of the inner sheath 2, there is a through hole mouthpiece 8
Is provided. Transmission hole of transmission mouthpiece 8 and inner sheath 2
The inner hole 2a of the needle portion 6 and the inner hole 6a of the needle portion 6 are in communication with each other. It can be derived.
【００１０】また、外側シース４の内孔４ａにはワイヤ
１０が挿通されている。このワイヤ１０の先端側は、外
側シース４の先端部の側壁に穿設された通孔１２から外
部に導出されており、導出された端部は外側シース４の
先端外周面に固着されている。A wire 10 is inserted through the inner hole 4a of the outer sheath 4. The tip end side of the wire 10 is led out to the outside from a through hole 12 formed in the side wall of the tip end portion of the outer sheath 4, and the led out end portion is fixed to the tip outer peripheral surface of the outer sheath 4. ..
【００１１】また、ワイヤ１０の基端側は、外側シース
４の基端部側壁に設けられたワイヤ導出孔１４より外部
に導出され、導出された端部にはつまみ部１６が設けら
れている。したがって、このつまみ部１６をつまんでワ
イヤ１０を外部に引き出すことによって牽引操作すれ
ば、図１の（ｂ）に示すようにワイヤ１０の外部に露出
した先端部分１０ａは弓状に張られ、外側シース４の先
端部はワイヤ１０の牽引方向に湾曲する。Further, the proximal end side of the wire 10 is led out to the outside through a wire lead-out hole 14 provided in the side wall of the proximal end portion of the outer sheath 4, and a knob portion 16 is provided at the led-out end portion. .. Therefore, when the pulling operation is performed by pulling the wire 10 by grasping the knob portion 16 and pulling the wire 10 to the outside, the tip portion 10a exposed to the outside of the wire 10 is stretched in an arc shape as shown in FIG. The distal end of the sheath 4 is curved in the pulling direction of the wire 10.
【００１２】次に、図１の（ｃ）を参照しつつ上記構成
の穿刺針処置具１を用いて、例えば細長い生体管腔２０
の狭いスペース内における所望部位２２に薬液を注入投
与して治療を行なう場合について説明する。Next, referring to FIG. 1 (c), using the puncture needle treatment instrument 1 having the above-mentioned configuration, for example, an elongated living body lumen 20
A case will be described in which a medical solution is injected and administered to a desired site 22 in a narrow space to perform treatment.
【００１３】まず、穿刺針処置具１を例えば内視鏡２４
の鉗子チャンネル２５を介して生体管腔２０内に挿入す
る。この際、内側シース２の先端の針部６を外側シース
４内に完全に収納した状態で挿入する。外側シース４の
先端部が所望する管腔壁２０ａの処置部位２２に達した
時点で、つまみ部１６をつまんでワイヤ１０を牽引操作
することによってワイヤ１０の外部に露出した先端部分
１０ａを弓状に張り、外側シース４先端部を湾曲させて
外側シース４の先端部開口４ｂを管腔壁２０ａの処置部
位２２に対向させる。First, the puncture needle treatment instrument 1 is attached to the endoscope 24, for example.
It is inserted into the living body lumen 20 via the forceps channel 25. At this time, the needle portion 6 at the tip of the inner sheath 2 is inserted into the outer sheath 4 in a completely housed state. When the distal end of the outer sheath 4 reaches the desired treatment site 22 of the lumen wall 20a, the knob 16 is gripped and the wire 10 is pulled to operate the distal end portion 10a exposed to the outside of the wire 10. And the distal end opening 4b of the outer sheath 4 is made to face the treatment site 22 of the lumen wall 20a.
【００１４】その後、送通口金８を操作することにより
内側シース２を前方へ押し出す。このとき、内側シース
２は外側シース４の湾曲部位に沿って外側シース４内を
案内されるため、内側シース２先端の針部６は外側シー
ス４の先端部開口４ｂが対向する管腔壁２０ａの処置部
位２２に向けて突出する。したがって、そのまま内側シ
ース２を前方へ押し出せば、内側シース２先端の針部６
を処置部位２２に突き刺すことができる。After that, the inner sheath 2 is pushed forward by operating the transmission mouthpiece 8. At this time, since the inner sheath 2 is guided inside the outer sheath 4 along the curved portion of the outer sheath 4, the needle portion 6 at the tip of the inner sheath 2 has a lumen wall 20a facing the tip opening 4b of the outer sheath 4. Project toward the treatment site 22. Therefore, if the inner sheath 2 is pushed forward as it is, the needle portion 6 at the tip of the inner sheath 2
Can be pierced into the treatment site 22.
【００１５】内側シース２先端の針部６を処置部位２２
に突き刺したら、送通口金８からシリンジ等によって薬
液等を注入し、針部６から針部６の内孔６ａを通じて処
置部位２２に薬液を投与して治療を行なう。また、温熱
治療等においては、送通口金８から温度センサを挿通
し、前記処置部位２２の温度を測定することもできる。
したがって、上記構成の穿刺針処置具１によれば、ワイ
ヤ１０の牽引操作で外側シース４の先端部を湾曲させて
針部６を外側シース先端から所望の方向へ突出させるこ
とができるため、生体管腔内、特に細長い生体管腔２０
の狭い空間内における所望部位２２に対しても針部６を
容易に穿刺することができる。The needle portion 6 at the tip of the inner sheath 2 is attached to the treatment site 22.
When the needle is pierced with, the liquid medicine is injected from the delivery mouthpiece 8 by a syringe or the like, and the liquid medicine is administered from the needle portion 6 to the treatment site 22 through the inner hole 6a of the needle portion 6 to perform treatment. Further, in the case of heat treatment and the like, the temperature of the treatment site 22 can be measured by inserting a temperature sensor from the delivery mouthpiece 8.
Therefore, according to the puncture needle treatment instrument 1 having the above-described configuration, the distal end portion of the outer sheath 4 can be curved by the pulling operation of the wire 10 to cause the needle portion 6 to project from the distal end of the outer sheath in a desired direction. Intraluminal, especially elongated body lumen 20
The needle portion 6 can be easily punctured even in the desired portion 22 in the narrow space.
【００１６】なお、上記構成の穿刺針処置具１は湾曲機
構を有する内視鏡とともに使用すればさらに有益な効果
を発揮できるが、湾曲機構を有さない内視鏡とともに使
用した場合であっても、それ自信の湾曲機構によって所
望部位２２に容易に針部６を穿刺することができる。Although the puncture needle treatment instrument 1 having the above-mentioned configuration can exhibit a further beneficial effect when used with an endoscope having a bending mechanism, it is not the case when it is used with an endoscope having no bending mechanism. However, the needle portion 6 can be easily punctured in the desired portion 22 by the self-deflecting bending mechanism.
【００１７】また、上記構成の穿刺針処置具１に針部６
への通電が行なえる通電機構を設けてもよい。すなわ
ち、図２に示す穿刺針処置具３５は、穿刺針処置具１と
同様、図示しない外側シース内に内側シース３１を挿脱
自在に配置して構成されており、内側シース３１内に
は、内側シース３１の先端に嵌着する金属製の針部６へ
の通電を行なう導電性の通電用ワイヤ３０が挿通されて
いる。Further, the puncture needle treatment device 1 having the above-mentioned structure is provided with a needle portion 6
You may provide the electricity supply mechanism which can energize to. That is, the puncture needle treatment instrument 35 shown in FIG. 2 is configured such that, like the puncture needle treatment instrument 1, the inner sheath 31 is removably arranged in an outer sheath (not shown). The electrically conductive wire 30 for energizing the metal needle portion 6 fitted to the tip of the inner sheath 31 is inserted.
【００１８】通電用ワイヤ３０の先端は針部６の後端に
電気的に接続されるとともに、通電用ワイヤ３０の基端
側は内側シース３１の基端に固定された送通口金８の送
通孔を通って外部に導出され、導出された端部には電極
３２が設けられている。The leading end of the current-carrying wire 30 is electrically connected to the rear end of the needle portion 6, and the proximal end side of the current-carrying wire 30 is fed by the feeding mouthpiece 8 fixed to the proximal end of the inner sheath 31. The electrode 32 is led out to the outside through the through hole, and the electrode 32 is provided at the led end.
【００１９】そして、電極３２を図示しない低周波電源
に接続し、通電用ワイヤ３０を介して針部６に通電する
ことにより、針部６を刺入した生体組織近傍の血液中に
存在する血液凝固作用を有したフィブリノーゲンを針部
６へ引き寄せることができる。これによって、針部６の
刺入部位における止血効果を高めることができる。な
お、通電用ワイヤ３０は金属製の針部６と電気的に接続
していさえすれば、内側シース３１外側の外側シース内
に挿通してもよい。Then, the electrode 32 is connected to a low-frequency power source (not shown), and the needle portion 6 is energized through the current-carrying wire 30 so that blood existing in the blood in the vicinity of the living tissue in which the needle portion 6 is inserted. Fibrinogen having a coagulating action can be drawn to the needle portion 6. As a result, the hemostasis effect at the insertion portion of the needle portion 6 can be enhanced. The energizing wire 30 may be inserted into the outer sheath outside the inner sheath 31 as long as it is electrically connected to the metallic needle portion 6.
【００２０】[0020]
【発明の効果】以上説明したように、本発明によれば、
生体管腔内、特に細長い生体管腔の狭い空間内における
所望部位に対して針部を容易に穿刺することができる。As described above, according to the present invention,
It is possible to easily puncture a desired portion in a living body lumen, particularly in a narrow space of an elongated living body lumen.
【図１】（ａ）は本発明の一実施例を示す穿刺針処置具
の断面図、（ｂ）は（ａ）の穿刺針処置具の先端部を湾
曲した様子を示す概略図、（ｃ）は（ａ）の穿刺針処置
具を生体管腔内に挿入して処置を行なう様子を示す概略
図である。1A is a cross-sectional view of a puncture needle treatment instrument showing an embodiment of the present invention, FIG. 1B is a schematic view showing a state in which a distal end portion of the puncture needle treatment instrument of FIG. [Fig. 4] is a schematic view showing a state in which the puncture needle treatment tool of (a) is inserted into a living body lumen to perform treatment.
【図２】針部への通電機構を備えた穿刺針処置具の一例
を示す断面図である。FIG. 2 is a cross-sectional view showing an example of a puncture needle treatment tool including a mechanism for energizing a needle portion.
１…穿刺針処置具、２…内側シース、４…外側シース、
６…針部、１０…ワイヤ、１２…通孔（穿孔）。1 ... puncture needle treatment tool, 2 ... inner sheath, 4 ... outer sheath,
6 ... Needle portion, 10 ... Wire, 12 ... Through hole (perforation).
Claims (1)
側シースと、この外側シース内に挿脱自在に設けられ、
先端に針部を備えた可撓性を有する内側シースとからな
る穿刺針処置具において、前記外側シース内に挿通さ
れ、先端側が前記外側シースの先端部側壁に設けられた
穿孔より外部に導出されるとともにこの導出された端部
が前記外側シースの先端に取着されたワイヤと、このワ
イヤを牽引操作する手段とを具備したことを特徴とする
穿刺針処置具。1. An outer sheath having flexibility that can be inserted into a living body cavity, and an outer sheath that is detachably provided in the outer sheath.
In a puncture needle treatment device comprising a flexible inner sheath having a needle portion at its tip, the instrument is inserted into the outer sheath, and the tip side is led out to the outside from a hole provided in the side wall of the tip portion of the outer sheath. In addition, the puncture needle treatment tool is characterized by further comprising a wire having the drawn-out end attached to the distal end of the outer sheath, and a means for pulling and operating the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3218557A JPH0557021A (en) | 1991-08-29 | 1991-08-29 | Needle treatment tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3218557A JPH0557021A (en) | 1991-08-29 | 1991-08-29 | Needle treatment tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0557021A true JPH0557021A (en) | 1993-03-09 |
Family
ID=16721812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3218557A Withdrawn JPH0557021A (en) | 1991-08-29 | 1991-08-29 | Needle treatment tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0557021A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193717B1 (en) | 1997-10-16 | 2001-02-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Treating instrument for endoscope |
| JP2002360583A (en) * | 2001-06-06 | 2002-12-17 | Olympus Optical Co Ltd | Stitching tool |
| JP2007260113A (en) * | 2006-03-28 | 2007-10-11 | Terumo Corp | Puncturing tool |
| WO2008143218A1 (en) * | 2007-05-22 | 2008-11-27 | Olympus Corporation | Treatment device |
| JP2009522010A (en) * | 2005-12-28 | 2009-06-11 | エーエムエス リサーチ コーポレイション | Apparatus, system and related methods for delivering fluid to tissue |
| JP2009131470A (en) * | 2007-11-30 | 2009-06-18 | Nippon Sherwood Medical Industries Ltd | Tool for checking placing position and method for checking placing position of indwelling gastric fistula catheter |
| JP2012152636A (en) * | 2005-12-28 | 2012-08-16 | Ams Research Corp | Device, system, and related method for delivery of fluid to tissue |
-
1991
- 1991-08-29 JP JP3218557A patent/JPH0557021A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6193717B1 (en) | 1997-10-16 | 2001-02-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Treating instrument for endoscope |
| JP2002360583A (en) * | 2001-06-06 | 2002-12-17 | Olympus Optical Co Ltd | Stitching tool |
| JP2009522010A (en) * | 2005-12-28 | 2009-06-11 | エーエムエス リサーチ コーポレイション | Apparatus, system and related methods for delivering fluid to tissue |
| JP2012152636A (en) * | 2005-12-28 | 2012-08-16 | Ams Research Corp | Device, system, and related method for delivery of fluid to tissue |
| JP2014231019A (en) * | 2005-12-28 | 2014-12-11 | エーエムエス リサーチ コーポレイション | Devices, systems, and related methods for delivery of fluid to tissue |
| JP2007260113A (en) * | 2006-03-28 | 2007-10-11 | Terumo Corp | Puncturing tool |
| WO2008143218A1 (en) * | 2007-05-22 | 2008-11-27 | Olympus Corporation | Treatment device |
| JP2008289556A (en) * | 2007-05-22 | 2008-12-04 | Olympus Corp | Treatment instrument |
| US8864749B2 (en) | 2007-05-22 | 2014-10-21 | Olympus Corporation | Surgical instrument |
| JP2009131470A (en) * | 2007-11-30 | 2009-06-18 | Nippon Sherwood Medical Industries Ltd | Tool for checking placing position and method for checking placing position of indwelling gastric fistula catheter |
| US8679002B2 (en) | 2007-11-30 | 2014-03-25 | Covidien Lp | Endoscope system for gastrostomy catheter placement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6200313B1 (en) | Puncture instrument for punctured high frequency treatments | |
| US6923807B2 (en) | Helical device and method for aiding the ablation and assessment of tissue | |
| US5290284A (en) | Laparoscopic surgical ligation and electrosurgical coagulation and cutting device | |
| KR101786619B1 (en) | An apparatus for puncturing maxillary sinus | |
| EP1205156A3 (en) | Injection catheter with needle electrode | |
| JPH1147154A (en) | Treatment instrument for endoscope | |
| EP0571514A1 (en) | Esophageal-stomach displacement electrode | |
| DE60201165D1 (en) | Nadel cannula | |
| JP2011147758A (en) | Treatment instrument | |
| JP3370606B2 (en) | Drainage tube indwelling device for endoscope | |
| ATE331554T1 (en) | MEDICAL INSTRUMENT WITH ATRAAUMATIC TIP | |
| JPH0557021A (en) | Needle treatment tool | |
| JP6442086B2 (en) | Maxillary sinus puncture device | |
| JPH07213618A (en) | Medical instrument | |
| JP2528223B2 (en) | High Frequency Incision Tool for Endoscope | |
| JP4268260B2 (en) | Luminescent injection needle | |
| EP2046220B1 (en) | Medical device | |
| JP2000201939A (en) | Medical implement | |
| JP2833763B2 (en) | Endoscope | |
| CN212788576U (en) | Thyroid gland drag hook with real-time nerve monitoring function | |
| JPH11318926A (en) | Treatment instrument for high frequency therapy | |
| ATE313355T1 (en) | CATHETER SYSTEM WITH X-RAY TUBE | |
| JP4711703B2 (en) | Transcutaneous electrode probe | |
| JPH0119934Y2 (en) | ||
| JPH0448161Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981112 |