JPH0329101U

JPH0329101U -

Info

Publication number: JPH0329101U
Application number: JP9129189U
Authority: JP
Priority date: 1989-08-01
Filing date: 1989-08-01
Publication date: 1991-03-22

Description

[Brief explanation of drawings]

第１図ないし第３図は本考案の第１実施例に係
り、第１図は第１実施例の先端側の構造を示す断
面図、第２図は第１実施例の全体構成図、第３図
は形状記憶合金材を通電加熱した状態を示す断面
図、第４図は本考案の第２実施例の先端側の構造
を示す断面図、第５図は本考案の第３実施例の先
端側の構造を示す断面図、第６図は本考案の第４
実施例の先端側の構造を示す断面図、第７図は本
考案の第５実施例の先端側の構造を示す断面図、
第８図は第５実施例における形状記憶合金材の形
状を示す正面図、第９図は形状記憶合金材の断面
形状を示す説明図、第１０図は本考案の第６実施
例の先端側の構造を示す断面図、第１１図は本考
案の第７実施例の先端側の一部の構造を示す断面
図、第１２図は従来例の先端側を示す断面図であ
る。１……内視鏡装置、２……内視鏡、３……アダ
プタ、５……電源、１１……先端部、２１……先
端部本体、２８……形状記憶合金材、２９……突
起部材、３０……リード線、３１……凹部、３３
……凹部。 1 to 3 relate to a first embodiment of the present invention, in which FIG. 1 is a sectional view showing the structure on the tip side of the first embodiment, FIG. 2 is an overall configuration diagram of the first embodiment, and FIG. Figure 3 is a cross-sectional view showing the shape memory alloy material in a state where it is heated with electricity, Figure 4 is a cross-sectional view showing the structure on the tip side of the second embodiment of the present invention, and Figure 5 is a cross-sectional view of the third embodiment of the present invention. A sectional view showing the structure on the tip side, FIG. 6 is the fourth structure of the present invention.
A cross-sectional view showing the structure on the front end side of the embodiment; FIG. 7 is a cross-sectional view showing the structure on the front end side of the fifth embodiment of the invention;
Fig. 8 is a front view showing the shape of the shape memory alloy material in the fifth embodiment, Fig. 9 is an explanatory diagram showing the cross-sectional shape of the shape memory alloy material, and Fig. 10 is the tip side of the sixth embodiment of the present invention. FIG. 11 is a sectional view showing a part of the structure on the distal end side of the seventh embodiment of the present invention, and FIG. 12 is a sectional view showing the distal end side of the conventional example. DESCRIPTION OF SYMBOLS 1... Endoscope device, 2... Endoscope, 3... Adapter, 5... Power source, 11... Tip part, 21... Tip part main body, 28... Shape memory alloy material, 29... Protrusion Member, 30...Lead wire, 31...Recess, 33
...Concavity.

Claims

[Scope of utility model registration request]

In an endoscope apparatus comprising an endoscope body having an observation window at the distal end of an elongated insertion section, and an adapter or a running aid, or both, which can be detachably attached to the distal end of the insertion section, the insertion section A shape-deforming member is provided on at least one of the tip, the adapter, and the running aid, and a means for deforming and releasing the shape-deforming member is formed by energizing the shape-deforming member. Endoscope equipment.