JPH023702U

JPH023702U -

Info

Publication number: JPH023702U
Application number: JP8177888U
Authority: JP
Priority date: 1988-06-20
Filing date: 1988-06-20
Publication date: 1990-01-11

Description

[Brief explanation of the drawing]

第１図ないし第３図は本考案の第１実施例に係
り、第１図は内視鏡先端部の構成の説明図、第２
図は第１図のＡ―Ａ′方向断面図、第３図は内視
鏡装置の全体の説明図、第４図ないし第６図は本
考案の第２実施例に係り、第４図は湾曲駒と外筒
との接合部の説明図、第５図は第４図のＢ―Ｂ′
方向断面図、第６図は第４図のＣ―Ｃ′方向断面
図、第７図及び第８図は本考案の第３実施例に係
り、第７図は湾曲駒と外筒との接合部の説明図、
第８図は第７図のＥ―Ｅ′方向断面図、第９図及
び第１０図は本考案の第４実施例に係り、第９図
は湾曲駒と外筒との接合部の説明図、第１０図は
第９図のＦ―Ｆ′方向矢視図であつて、外筒の端
部の説明図、第１１図ないし第１４図は本考案の
第５実施例に係り、第１１図は湾曲駒と外筒との
接合部の説明図、第１２図は第１１図のＧ―Ｇ′
方向断面図、第１３図は第１１図のＨ―Ｈ′方向
矢視図、第１４図は第１１図のＩ―Ｉ′方向矢視
図、第１５図は従来例に係り内視鏡先端部の構成
の説明図である。１６……挿入部、１９……先端部、２１……湾
曲部、２８……先端枠、４２，４３……湾曲駒、
４４……テーパ部、４９……外筒、５１……突起
部。 1 to 3 relate to the first embodiment of the present invention, in which FIG. 1 is an explanatory diagram of the configuration of the distal end of the endoscope, and FIG.
The figures are a sectional view taken along the line A-A' in Fig. 1, Fig. 3 is an explanatory diagram of the entire endoscope device, Figs. 4 to 6 relate to the second embodiment of the present invention, and Fig. 4 is An explanatory diagram of the joint between the bending piece and the outer cylinder, Figure 5 is B-B' in Figure 4.
6 is a cross-sectional view along the line C-C' in FIG. 4, FIGS. 7 and 8 are related to the third embodiment of the present invention, and FIG. 7 is a diagram showing the connection between the bending piece and the outer cylinder An explanatory diagram of the section,
FIG. 8 is a sectional view along the line E-E' in FIG. 7, FIGS. 9 and 10 relate to the fourth embodiment of the present invention, and FIG. 9 is an explanatory diagram of the joint between the bending piece and the outer cylinder. , FIG. 10 is a view taken along arrows F--F' in FIG. 9, and is an explanatory view of the end of the outer cylinder. FIGS. 11 to 14 relate to the fifth embodiment of the present invention, and The figure is an explanatory diagram of the joint between the bending piece and the outer cylinder, and Figure 12 is GG' in Figure 11.
13 is a view taken along the line H-H' in FIG. 11, FIG. 14 is a view taken along the line II' in FIG. 11, and FIG. 15 is a conventional example showing the endoscope tip. FIG. 16... Insertion part, 19... Tip part, 21... Curving part, 28... Tip frame, 42, 43... Curving piece,
44...Tapered portion, 49...Outer cylinder, 51...Protrusion.

Claims

[Claims for Utility Model Registration] A curving piece that is provided in an insertion portion to constitute a curving portion, and a locking portion is provided by forming the outer periphery of the end portion to a large diameter; a connecting member to be fitted externally, the connecting member being fitted internally together with the curved piece end;
An endoscope comprising: an outer cylinder having a locked portion on an inner circumferential surface that can come into contact with the locking portion.