JPH0262412U

JPH0262412U -

Info

Publication number: JPH0262412U
Application number: JP14057388U
Authority: JP
Priority date: 1988-10-28
Filing date: 1988-10-28
Publication date: 1990-05-10

Description

[Brief explanation of drawings]

第１図は第１の実施例の挿入部先端の側面断面
図、第２図は第２の実施例の操作部の略示図、第
３図はその送気管と吸引管との接続部の部分拡大
断面図、第４図は第２の実施例の挿入部先端の側
面断面図である。１……挿入部、３……先端部本体、４……観察
窓、５……カバーレンズ、６……吸湿樹脂コーテ
イング、７……対物レンズ、１０……イメージガ
イドフアイバ、１１……送気口、１３……送気管
、２６……送気吸引管。 Fig. 1 is a side cross-sectional view of the tip of the insertion section of the first embodiment, Fig. 2 is a schematic diagram of the operating section of the second embodiment, and Fig. 3 is a view of the connection between the air supply pipe and the suction pipe. FIG. 4 is a partially enlarged sectional view and a side sectional view of the distal end of the insertion portion of the second embodiment. 1... Insertion section, 3... Tip body, 4... Observation window, 5... Cover lens, 6... Hygroscopic resin coating, 7... Objective lens, 10... Image guide fiber, 11... Air supply Mouth, 13... air supply pipe, 26... air supply suction pipe.

Claims

[Claims for Utility Model Registration] (1) An observation window is formed in the tip body provided at the tip of the insertion unit, a transparent cover lens is fitted into the observation window in a watertight manner, and an objective lens is placed inside the observation window. and a light-receiving part of the image transmitting means is arranged at the imaging position thereof, characterized in that the surface of the cover lens is coated with a transparent moisture-absorbing resin having the property of absorbing moisture. Endoscope. (2) The endoscope according to claim 1, wherein an air supply port for blowing out air is formed in an end face of the tip body, and an air supply pipe communicating with the air supply port is inserted into the insertion portion. (3) The endoscope according to claim 2, wherein the air supply tube is formed to double as a suction tube.