The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 1989
Filed:
Dec. 02, 1987
Olympus Optical Co., Ltd., , JP;
Abstract
In a suction control unit used with an endoscope having a channel, a tubular main body has a suction port in the side wall and a bore and in the bore, an inner tube with a through hole communicating with the channel of the endoscope is installed. A sliding tube is located slidably in the axial direction between the main body and the inner tube. The proximal end portion of an operating lever is secured at an upper position of the sliding the tube while the distal end portion extends outside the main body. This suction control unit is equipped with passage switching unit to connect the suction port with the endoscope channel or the outside of the main body through a relief port when the operating lever is operated.