JPS649604U

JPS649604U -

Info

Publication number: JPS649604U
Application number: JP10383387U
Authority: JP
Priority date: 1987-07-08
Filing date: 1987-07-08
Publication date: 1989-01-19
Also published as: JPH045128Y2

Description

[Brief explanation of drawings]

第１図から第６図までの図面はこの考案の一実
施例を示すものであり、第１図は内視鏡の挿入部
の分解組立斜視図、第２図は軟性部と湾曲部の連
結部の拡大断面図、第３図は第２図―拡大断
面図、第４図は小径嵌合部の部分断面図、第５図
は大径嵌合部の部分断面図、第６図は内視鏡の全
体正面図である。又、第７図は従来技術による第
２図相当断面図、第８図は第７図―断面図、
第９図は他の従来技術による第８図相当断面図で
ある。１……内視鏡、３……挿入部、４……軟性部、
５……湾曲部、６……ワイヤガイド、７……操作
ワイヤ、８……ワイヤガイドホルダ、８ａ……リ
ング部、８ｂ……ネツク部、８ｃ……アーム部、
４３……大径嵌合部、５３……小径嵌合部、５３
ｄ……スリツト５３。 The drawings from Fig. 1 to Fig. 6 show one embodiment of this invention, in which Fig. 1 is an exploded perspective view of the insertion section of the endoscope, and Fig. 2 shows the connection between the flexible part and the curved part. Figure 3 is an enlarged cross-sectional view of Figure 2 - Figure 4 is a partial cross-sectional view of the small-diameter fitting part, Figure 5 is a partial cross-sectional view of the large-diameter fitting part, and Figure 6 is a partial cross-sectional view of the large-diameter fitting part. FIG. 3 is an overall front view of the endoscope. In addition, FIG. 7 is a sectional view corresponding to FIG. 2 according to the prior art, and FIG. 8 is a sectional view corresponding to FIG.
FIG. 9 is a sectional view corresponding to FIG. 8 according to another prior art. 1... Endoscope, 3... Insertion part, 4... Flexible part,
5...Bending part, 6...Wire guide, 7...Operation wire, 8...Wire guide holder, 8a...Ring part, 8b...Network part, 8c...Arm part,
43...Large diameter fitting part, 53...Small diameter fitting part, 53
d...slit 53.

Claims

[Scope of utility model registration request]

a flexible flexible section into which a wire guide is inserted; a bendable curved section connected to the distal end of the flexible section; an operating wire inserted through the wire guide and the curved section of the flexible section; a wire guide holder that is attached to a connecting part between the flexible part and the curved part and supports the tip of the wire guide, a large diameter fitting part is formed at the connecting end of one of the flexible part and the curved part, and the other In the insertion portion of the endoscope, a small diameter fitting portion is formed in the endoscope, and the small diameter fitting portion is fitted inside the large diameter fitting portion to connect the flexible portion and the curved portion. , having a ring part into which the wire guide is inserted, a neck part standing up from the ring part, and an arm part formed at the tip of the neck part and having a curved surface corresponding to the outer surface of the small diameter fitting part, The small-diameter fitting portion has a slit extending in the axial direction from its end surface, and the wire guide holder has its neck portion inserted into the slit of the small-diameter fitting portion, and the arm portion of the wire guide holder inserted into the slit of the small-diameter fitting portion. An insertion section of an endoscope, wherein the arm section is disposed on the outside and is fixed by being inserted between the outer surface of the small-diameter fitting section and the inner surface of the large-diameter fitting section.