JPH0313103U

JPH0313103U -

Info

Publication number: JPH0313103U
Application number: JP7272989U
Authority: JP
Priority date: 1989-06-21
Filing date: 1989-06-21
Publication date: 1991-02-08

Description

[Brief explanation of drawings]

図面は本考案の実施例を示すもので、第１図乃
至第４図は本考案内視鏡用湾曲部装置の第１の実
施例を示すものであり、第１図は本考案内視鏡用
湾曲部装置の要部断面図、第２図は湾曲部ユニツ
ト部材の拡大斜視図、第３図は係合凹部の部分斜
視図、第４図は係合突起の部分斜視図、第５図乃
至第７図は第２の実施例を示すものであり、第５
図は湾曲部ユニツト部材の拡大斜視図、第６図は
係合凹部の部分斜視図、第７図は係合突起の部分
斜視図、第８図は第１の実施例の湾曲部ユニツト
部材の係合状態を示す側面図、第９図は本考案内
視鏡用湾曲部装置を利用した内視鏡の斜視図であ
る。１…湾曲部、２…先端部、２１…ワイヤー固定
部、３ａ…湾曲部ユニツト部材、３０ａ…湾曲部
ユニツト本体、３１ａ…係合プレート、３１１ａ
…係合凹部、３２ａ…係合プレート、３２１ａ…
係合突起、３３ａ…ワイヤー挿通部、３４ａ…ワ
イヤー挿通部、３ｂ…湾曲部ユニツト部材、３０
ｂ…湾曲部ユニツト本体、３１ｂ…係合プレート
、３１１ｂ…係合凹部、３２ｂ…係合プレート、
３２１ｂ…係合突起、３３ｂ…ワイヤー挿通部、
３４ｂ…ワイヤー挿通部、３５…中空部、４…ワ
イヤー、５…ワイヤー、６…外装チユーブ、７…
可撓管、８…握り部、９…処理具挿通孔、１０…
湾曲操作ノブ、１１…ライトガイド、１２…切換
ノブ、１３…接眼部、１４…内視鏡。 The drawings show an embodiment of the present invention, and FIGS. 1 to 4 show a first embodiment of the bending section device for an endoscope of the present invention. 2 is an enlarged perspective view of the bending unit member, FIG. 3 is a partial perspective view of the engagement recess, FIG. 4 is a partial perspective view of the engagement protrusion, and FIG. 7 to 7 show the second embodiment, and the fifth embodiment shows the second embodiment.
6 is a partial perspective view of an engaging recess, FIG. 7 is a partial perspective view of an engaging protrusion, and FIG. 8 is an enlarged perspective view of the bending unit member of the first embodiment. FIG. 9 is a side view showing the engaged state, and a perspective view of an endoscope using the bending section device for an endoscope of the present invention. DESCRIPTION OF SYMBOLS 1... Curved part, 2... Tip part, 21... Wire fixing part, 3a... Curved part unit member, 30a... Curved part unit main body, 31a... Engagement plate, 311a
...Engagement recess, 32a...Engagement plate, 321a...
Engagement protrusion, 33a... wire insertion part, 34a... wire insertion part, 3b... curved part unit member, 30
b...Bending portion unit main body, 31b...Engagement plate, 311b...Engagement recess, 32b...Engagement plate,
321b...engaging protrusion, 33b...wire insertion part,
34b...Wire insertion part, 35...Hollow part, 4...Wire, 5...Wire, 6...Exterior tube, 7...
Flexible tube, 8... Grip portion, 9... Processing tool insertion hole, 10...
Curving operation knob, 11... Light guide, 12... Switching knob, 13... Eyepiece, 14... Endoscope.

Claims

[Claims for Utility Model Registration] (1) Wire insertion portions are provided on opposite sides of the bending unit body integrally molded into a ring shape, and engaging recesses are further provided at both opposing upper ends of the bending unit body. integrally provided with an engagement plate having
A curved section for an endoscope, characterized in that a plurality of curved section unit members each having an engagement plate having engagement protrusions at both lower end portions corresponding to the engagement plate are connected and provided in an exterior tube. Device. (2) The engagement protrusions of the engagement plate of the upper curved unit member are rotatably fitted into the engagement recesses of the engagement plate of the lower curved unit member, respectively, so that the engagement plate of the lower curved unit member is rotatably fitted. The bending section device for an endoscope according to claim 1, wherein the unit members are connected in sequence. (3) The curved unit body and the engagement plate extending vertically and having an engagement recess and an engagement protrusion, respectively, are integrally molded from plastic or press-formed from a metal plate. A bending section device for an endoscope as set forth in claim (1) of the utility model registration claim.