JPH0420409Y2 - - Google Patents

Info

Publication number
JPH0420409Y2
JPH0420409Y2 JP1987178697U JP17869787U JPH0420409Y2 JP H0420409 Y2 JPH0420409 Y2 JP H0420409Y2 JP 1987178697 U JP1987178697 U JP 1987178697U JP 17869787 U JP17869787 U JP 17869787U JP H0420409 Y2 JPH0420409 Y2 JP H0420409Y2
Authority
JP
Japan
Prior art keywords
endoscope
opening
gripping
closing
tip
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.)
Expired
Application number
JP1987178697U
Other languages
Japanese (ja)
Other versions
JPH0182012U (en
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 filed Critical
Priority to JP1987178697U priority Critical patent/JPH0420409Y2/ja
Publication of JPH0182012U publication Critical patent/JPH0182012U/ja
Application granted granted Critical
Publication of JPH0420409Y2 publication Critical patent/JPH0420409Y2/ja
Expired legal-status Critical Current

Links

Description

【考案の詳細な説明】 〔考案の利用分野〕 本考案は挿入部先端に把持爪を備えた内視鏡に
係り、特に体内から金属性の異物を摘出するのに
適した内視鏡に関する。
[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to an endoscope equipped with a grasping claw at the distal end of the insertion portion, and particularly to an endoscope suitable for removing a metallic foreign object from the body.

〔従来の技術〕[Conventional technology]

挿入部先端に把持爪を備えた内視鏡は、胆道内
の結石の摘出や消化器内の異物の摘出に使用され
ている。
Endoscopes equipped with gripping claws at the tip of the insertion section are used to remove stones in the biliary tract and foreign bodies in the digestive organs.

このような内視鏡では、水銀電池等の異物を誤
つて飲み込んでしまつた場合には、その金属性容
器が胃酸等の消化液によつて溶解する前に異物の
摘出を早急に行う必要がある。
With such endoscopes, if a foreign object such as a mercury battery is accidentally swallowed, it is necessary to remove the foreign object immediately before the metal container dissolves in digestive fluids such as stomach acid. be.

〔考案が解決しようとする問題点〕[Problem that the invention attempts to solve]

しかしながら、前記従来の内視鏡では、消化器
内の金属性の異物を手許操作部の接眼部に写し出
される像を観察しながら見付け出して摘出するの
で、異物を短時間に見付け出すことが困難な場合
がある。又、異物を見付け出すことができてもそ
の異物の形状によつては把持爪で挟み込むことが
困難な場合もあり、確実に体外に摘出することが
できない問題がある。
However, with the conventional endoscope, metal foreign objects in the digestive tract are found and removed while observing the image projected on the eyepiece of the hand-held operation unit, so it is difficult to find the foreign objects in a short time. It can be difficult. Further, even if a foreign object is found, depending on the shape of the foreign object, it may be difficult to grasp it with the gripping claws, and there is a problem that it is not possible to reliably remove it from the body.

本考案はこのような事情に鑑みてなされたもの
で、体内から異物を短時間に、簡単且つ確実に摘
出することができる内視鏡を提案することを目的
としている。
The present invention was devised in view of these circumstances, and it is an object of the present invention to propose an endoscope that can easily and reliably remove foreign substances from the body in a short period of time.

〔問題点を解決するための手段〕[Means for solving problems]

本考案は、前記目的を達成するために、挿入部
先端に設けた支軸を介して挿入部先端より前方の
位置で互いに開閉可能な把持爪が設けられ、該把
持爪は挿入部内に挿通した操作用ワイヤの押引き
によつて開閉する内視鏡において、前記把持爪の
開閉動作に連動して挿入部先端から磁石が突没移
動することを特徴としている。
In order to achieve the above object, the present invention is provided with gripping claws that can be opened and closed with each other at a position forward of the tip of the insertion portion via a support shaft provided at the tip of the insertion portion, and the gripping claws are inserted into the insertion portion. An endoscope that opens and closes by pushing and pulling an operating wire is characterized in that a magnet moves in and out of the tip of the insertion portion in conjunction with the opening and closing operations of the gripping claws.

〔作用〕[Effect]

本考案に係る内視鏡では、把持爪の開閉に連動
して挿入部先端から磁石が突没移動するように組
込まれている。従つて把持爪を開くと、磁石が挿
入部先端から突出し、この磁石に異物が吸着され
る。これにより、体内の異物の摘出が短時間に、
簡単且つ確実に行える。
In the endoscope according to the present invention, a magnet is incorporated so as to move protruding and retracting from the tip of the insertion portion in conjunction with opening and closing of the gripping claw. Therefore, when the gripping claws are opened, a magnet protrudes from the tip of the insertion portion, and foreign matter is attracted to this magnet. This allows for the removal of foreign objects from the body in a short time.
It can be done easily and reliably.

〔実施例〕〔Example〕

以下、添付図面に従つて本考案に係る内視鏡の
好ましい実施例を詳説する。
Hereinafter, preferred embodiments of the endoscope according to the present invention will be described in detail with reference to the accompanying drawings.

第1図には、本考案に係る内視鏡の外観が示さ
れており、同図に示すように内視鏡は、挿入部2
と手許操作部3とを主要部材として構成されてい
る。挿入部2の先端部には一対の把持爪16,1
6が設けられており、手許操作部3には湾曲用操
作ノブ7、爪開閉用操作レバー9、鉗子口11、
接眼部13、送気用ボタン15及び送水用ボタン
17等が設けられている。又、この内視鏡の挿入
部2には、図示しないが光学フアイバ束から成る
ライトガイド及びイメージガイドが設けられてお
り、ライトガイドは図示しないコントロールユニ
ツトの光源に接続されている。更に、イメージガ
イドの像出射端は接眼部13に対向して配置され
ている。
FIG. 1 shows the appearance of the endoscope according to the present invention, and as shown in the figure, the endoscope has an insertion section 2.
The main components are a hand operation section 3 and a manual operation section 3. A pair of gripping claws 16, 1 are provided at the tip of the insertion section 2.
6 are provided, and the hand operation section 3 includes a bending operation knob 7, a claw opening/closing operation lever 9, a forceps opening 11,
An eyepiece 13, an air supply button 15, a water supply button 17, and the like are provided. Further, the insertion section 2 of this endoscope is provided with a light guide and an image guide made of an optical fiber bundle (not shown), and the light guide is connected to a light source of a control unit (not shown). Further, the image exit end of the image guide is arranged to face the eyepiece section 13.

次に挿入部2について第2図に従つて説明する
と、挿入部2は、1対或いは2対の図示しない湾
曲操作用ワイヤを手許操作部3のノブ7を操作す
ることによりその先端部が所望の方向に向くよう
に湾曲自在に構成されている。挿入部2の各把持
爪16,16は、挿入部2内に挿通した1本の爪
開閉操作用ワイヤ26の押引により開閉動作する
ようになつている。
Next, the insertion section 2 will be explained according to FIG. 2. In the insertion section 2, one or two pairs of bending operation wires (not shown) can be adjusted to a desired position by operating the knob 7 of the manual operation section 3. It is configured to be freely curved so as to face in the direction of. Each of the gripping claws 16, 16 of the insertion section 2 is configured to open and close by pushing and pulling a single claw opening/closing operation wire 26 inserted into the insertion section 2.

先端金具6に取付けられた基台4は、非磁性体
(例えばアルミニウム、プラスチツク)で形成さ
れ、この基台4には同じく非磁性体で形成された
一対の把持爪16,16が支軸18,18を介し
て回動自在に支持されている。各把持爪16,1
6の基端部で、各支軸18,18の内側にはピン
20,20を介しリンク22,22の一端がそれ
ぞれ連結されている。リンク22,22の他端
は、ピストン24に共通の軸28を介して連結さ
れている。ピストン24は、先端金具6に形成さ
れた孔30に軸方向に移動自在に配置されてい
る。ピストン24の後端には挿入部2内に挿通し
た爪開閉操作用ワイヤ26の先端が固着されてい
る。
The base 4 attached to the tip fitting 6 is made of a non-magnetic material (for example, aluminum, plastic), and a pair of gripping claws 16, 16, also made of a non-magnetic material, are attached to the support shaft 18. , 18, and is rotatably supported. Each gripping claw 16,1
One end of a link 22, 22 is connected to the inner side of each support shaft 18, 18 via a pin 20, 20 at the base end of the support shaft 6, respectively. The other ends of the links 22, 22 are connected to the piston 24 via a common shaft 28. The piston 24 is disposed in a hole 30 formed in the end fitting 6 so as to be freely movable in the axial direction. The tip of a claw opening/closing operation wire 26 inserted into the insertion portion 2 is fixed to the rear end of the piston 24.

また、リンク22の一端には環状の磁石23が
固着されている。そして、リンク22,22は、
先端金具6と基台4に形成された孔29内に配置
されている。リンク22,22はワイヤ26の押
引力により孔29内で進退し、その結果、把持爪
16,16が軸18,18を中心に回動して開閉
する。また、これに伴つて各リンク22,22の
磁石23,23は、孔29から突出したり、没入
したりするようになつている。
Further, an annular magnet 23 is fixed to one end of the link 22. And the links 22, 22 are
It is arranged in a hole 29 formed in the tip metal fitting 6 and the base 4. The links 22, 22 move forward and backward within the hole 29 by the pushing and pulling force of the wire 26, and as a result, the gripping claws 16, 16 rotate around the shafts 18, 18 to open and close. Moreover, in connection with this, the magnets 23, 23 of each link 22, 22 are adapted to protrude from or sink into the hole 29.

前記の如く構成された内視鏡では、体内の異物
を取出すには次のようにして行う。先ず体腔内が
手許操作部3の接眼部13に写し出され、これに
より、体腔内の観察が行われる。そして、例えば
胃内に停滞している食物中から水銀電池等の異物
を摘出する場合には、先ず、操作レバー9を操作
してワイヤ26を前方に押し出し、把持爪16,
16を開かせる。これに伴つて磁石23,23
は、挿入部先端の孔29から突出するので、その
状態で、挿入部2の湾曲部8を操作ノブ7を介し
て湾曲させ、食物中に混入している異物34を第
3図に示すように磁石23,23に吸着させる。
そして、磁石23,23に異物34が吸着した時
点で操作レバー9を操作してワイヤ26を引き戻
し、把持爪16,16を閉じて異物34を挟み込
み、異物を体内から摘出する。
With the endoscope configured as described above, foreign matter inside the body is removed in the following manner. First, the inside of the body cavity is projected onto the eyepiece section 13 of the hand-held operating section 3, and thereby the inside of the body cavity is observed. For example, when removing a foreign object such as a mercury battery from food stagnant in the stomach, first operate the operating lever 9 to push the wire 26 forward, and the gripping claw 16
16 is opened. Along with this, magnets 23, 23
protrudes from the hole 29 at the tip of the insertion section, and in this state, bend the curved section 8 of the insertion section 2 via the operation knob 7 to remove the foreign matter 34 mixed in the food as shown in FIG. to be attracted to the magnets 23, 23.
Then, when the foreign object 34 is attracted to the magnets 23, 23, the operating lever 9 is operated to pull back the wire 26, the gripping claws 16, 16 are closed, the foreign object 34 is caught, and the foreign object is removed from the body.

〔考案の効果〕[Effect of idea]

以上説明したように本考案に係る内視鏡では、
挿入部先端に設けられた把持爪を開らくと挿入部
先端に形成された孔から磁石が突出するので、体
内から金属性の異物を短時間に、簡単且つ確実に
摘出することができる。
As explained above, in the endoscope according to the present invention,
When the gripping claw provided at the tip of the insertion section is opened, the magnet protrudes from the hole formed at the tip of the insertion section, so that metallic foreign objects can be easily and reliably removed from the body in a short time.

また、磁石は把持爪の開閉リンク機構の一部に
設けられて把持爪の開閉動作と連動しているの
で、内視鏡挿入部がコンパクトになり磁石を設け
ても太くならない。
Further, since the magnet is provided in a part of the opening/closing link mechanism of the gripping claw and is interlocked with the opening/closing operation of the gripping claw, the endoscope insertion portion can be made compact and does not become thick even if the magnet is provided.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案に係る内視鏡の外観を示す外観
図、第2図は把持爪の閉状態を示す挿入部の側断
面図、第3図は把持爪の開状態を示す挿入部の側
断面図である。 2……挿入部、3……手許操作部、16……把
持爪、22……リンク、23……磁石、26……
爪開閉操作用ワイヤ。
Fig. 1 is an external view showing the appearance of the endoscope according to the present invention, Fig. 2 is a side sectional view of the insertion part showing the gripping claw in the closed state, and Fig. 3 is a side sectional view of the insertion part showing the grasping claw in the open state. FIG. 2... Insertion section, 3... Hand operation section, 16... Gripping claw, 22... Link, 23... Magnet, 26...
Wire for opening and closing the claw.

Claims (1)

【実用新案登録請求の範囲】 一対の把持爪が挿入部先端に設けた支軸を介し
て挿入部先端より前方の位置で互いに開閉可能に
設けられ、該把持爪は挿入部内に挿通した操作用
ワイヤの押引きによつて開閉リンク機構を介して
開閉し、開閉時に異物を収納可能とする収納空間
を形成するように設けられている内視鏡におい
て、 前記開閉リンク機構の一部に磁石が設けられ、 前記砥石は前記把持爪の開動作に連動して挿入
部先端側から前記収納空間に突出し、閉成動作に
連動して前記収納空間から退避移動することを特
徴とする内視鏡。
[Scope of Claim for Utility Model Registration] A pair of gripping claws are provided in a position forward of the insertion tube tip so that they can be opened and closed with each other via a support shaft provided at the insertion tube tip, and the gripping nails are used for operation when inserted into the insertion tube. An endoscope that opens and closes via an opening/closing link mechanism by pushing and pulling a wire, and is provided to form a storage space in which foreign objects can be stored when opening and closing. An endoscope, wherein the grindstone protrudes into the storage space from the distal end side of the insertion portion in conjunction with the opening operation of the gripping claw, and moves away from the storage space in conjunction with the closing operation.
JP1987178697U 1987-11-24 1987-11-24 Expired JPH0420409Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987178697U JPH0420409Y2 (en) 1987-11-24 1987-11-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987178697U JPH0420409Y2 (en) 1987-11-24 1987-11-24

Publications (2)

Publication Number Publication Date
JPH0182012U JPH0182012U (en) 1989-06-01
JPH0420409Y2 true JPH0420409Y2 (en) 1992-05-11

Family

ID=31470304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987178697U Expired JPH0420409Y2 (en) 1987-11-24 1987-11-24

Country Status (1)

Country Link
JP (1) JPH0420409Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55148547A (en) * 1979-05-09 1980-11-19 Olympus Optical Co Extractor for foreign matter for endoscope
JPS60123289A (en) * 1983-12-06 1985-07-01 キユーピー株式会社 Gripper for material to be treated with magnetic section

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55148547A (en) * 1979-05-09 1980-11-19 Olympus Optical Co Extractor for foreign matter for endoscope
JPS60123289A (en) * 1983-12-06 1985-07-01 キユーピー株式会社 Gripper for material to be treated with magnetic section

Also Published As

Publication number Publication date
JPH0182012U (en) 1989-06-01

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