JPS5936302U - Endoscope treatment instrument insertion tube - Google Patents

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

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

第１図は本考案の一実施例を示す内視鏡挿入部の側断面
図、第２図は同じくその処置具挿通管の側断面図、第３
図は同じくコイル体の素線の断面図、第４図は同じくコ
イル体の側断面図、第５図ないし第８図はそれぞれ異な
る他の実施例を示す処置具挿通管の側断面図である。 １１・・・内視鏡挿入部、１４・・・先端硬性部、２３
・・Ｉ処置具挿通管、２゛５・・・チューブ、２６・・
・コイル体、２７・・・素線、３１・・・嵌入穴、２５
ａ・・・第１の外周部分、２５ｂ・・・第２の外周部分
、Ｄ、、　Ｄ２・・・外径、Ｄ３・・・内径。FIG. 1 is a side sectional view of an endoscope insertion section showing an embodiment of the present invention, FIG. 2 is a side sectional view of the treatment instrument insertion tube, and FIG.
The figure is a sectional view of the wire of the coil body, FIG. 4 is a side sectional view of the coil body, and FIGS. 5 to 8 are side sectional views of the treatment instrument insertion tube showing other different embodiments. . 11... Endoscope insertion part, 14... Tip rigid part, 23
...I treatment instrument insertion tube, 2゛5...tube, 26...
・Coil body, 27... Element wire, 31... Fitting hole, 25
a: first outer peripheral portion, 25b: second outer peripheral portion, D, D2: outer diameter, D3: inner diameter.

Claims (7)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）可撓性のチューブの外周にコイル体を嵌装した内
視鏡の処置具挿通管において、上記コイル体の素線の断
面形状が、上記チューブの長手方向にその長軸を沿わせ
た略長円形としたことを一特徴とする内視鏡の処置具挿
通管。(1) In a treatment instrument insertion tube of an endoscope in which a coil body is fitted around the outer periphery of a flexible tube, the cross-sectional shape of the strands of the coil body is such that its long axis is along the longitudinal direction of the tube. An endoscope treatment instrument insertion tube characterized in that it has a substantially oval shape. （２）上記略長円形は短径の長さａと長径の長さｂとの
比”＆；！１．２ないし５の範囲にあることを特徴とす
る実用新案登録請求の範囲第１項に記載の内視鏡の処置
具挿通管。(2) Utility model registration claim 1, characterized in that the substantially oval shape has a ratio of the length a of its minor axis to the length b of its major axis in the range of 1.2 to 5. An endoscope treatment instrument insertion tube described in . （３）内視鏡挿入部の湾曲管部に対応する付近の上記チ
ューブの部分外周にのみ限定して上記コイル体を嵌装し
たことを特徴とする実用新案登録請求の範囲第１項また
は第２項に記載の内視鏡の処置具挿通管。(3) Utility model registration claim 1 or 2, characterized in that the coil body is fitted only to a portion of the outer periphery of the tube near the curved tube portion of the endoscope insertion portion. The treatment instrument insertion tube of the endoscope according to item 2. （４）上記コイル体は少なくともその一端部付近の素線
間のピッチを密にして上記チューブの外周に嵌装したこ
とを特徴とする実用新案登録請求の範囲第１項、第２項
または第３項に記載の内視鏡の処置具挿通管。(4) The coil body is fitted around the outer periphery of the tube with a close pitch between the strands at least near one end of the coil body. The treatment instrument insertion tube of the endoscope according to item 3. （５）上記チューブの長手方向の一部分のみに上記コイ
ル体を嵌挿するとともに、そのコイル体を嵌挿する上記
チューブの部分の外径をコイル体を嵌挿しない上記チュ
ーブの他の部分の外径よりも小さく形成したことを特徴
とする実用新案登録請求の範囲第１項に記載の内視鏡の
処置具挿通管。(5) The coil body is inserted into only a part of the tube in the longitudinal direction, and the outer diameter of the part of the tube into which the coil body is inserted is the outer diameter of the other part of the tube where the coil body is not inserted. The treatment tool insertion tube of an endoscope according to claim 1, which is characterized by being formed smaller than the diameter of the treatment instrument insertion tube. （６）　　上記コイル体の一端部は上記チューブととも
に内視鏡の被固定部材に固着したことを特徴とする実用
新案登録請求の範囲第１項に記載の内視鏡め処置具挿通
管。(6) The endoscopic treatment instrument insertion tube according to claim 1, wherein one end of the coil body is fixed together with the tube to a fixed member of the endoscope. （７）　　上記コイル体は複数本の素線を用いて複数条
巻きとしてなることを特徴とする実用新案登録請求の範
囲第１項に記載の内視鏡の処置具挿通管。　　　　゛(7) The treatment instrument insertion tube of an endoscope as set forth in claim 1, wherein the coil body is wound in multiple strips using a plurality of wires.゛