Endoscope
First Claim
1. An endoscope comprising:
- an insertable part inserted into a body cavity and having in the front end part an illuminating window illuminating an observed part and an observing window for observing the illuminated object;
an operating part provided in the rear of said insertable part;
a first sucking tube line communicating with a sucking part provided at the front end of said insertable part, inserted through said insertable part and leading to said operating part;
a suction switching part provided in said operating part, communicating with said first sucking tube line and making a sucking operation from said sucking port; and
a second sucking tube line communicating with said first sucking tube line through said suction switching part and having an inside diameter larger than the inside diameter of said first sucking tube line.
1 Assignment
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Accused Products
Abstract
An endoscope having sucking tube lines large in the sucking capacity of the present invention has an insertable part to be inserted into a body cavity and is provided in the front end part of the insertable part with an illuminating window illuminating an observed part, an observing window for observing the illuminated object and a sucking part. A first sucking tube line inserted through the insertable part and leading to the operating part is connected at one end to the sucking part and at the other end to a suction switching part operating the suction from the sucking part. A second sucking tube line of an inside diameter larger than of the first sucking tube line is connected to the suction switching part so as to make the suction from the sucking part through the suction switching part.
104 Citations
5 Claims
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1. An endoscope comprising:
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an insertable part inserted into a body cavity and having in the front end part an illuminating window illuminating an observed part and an observing window for observing the illuminated object; an operating part provided in the rear of said insertable part; a first sucking tube line communicating with a sucking part provided at the front end of said insertable part, inserted through said insertable part and leading to said operating part; a suction switching part provided in said operating part, communicating with said first sucking tube line and making a sucking operation from said sucking port; and a second sucking tube line communicating with said first sucking tube line through said suction switching part and having an inside diameter larger than the inside diameter of said first sucking tube line. - View Dependent Claims (2, 3, 4, 5)
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Specification