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:
Jul. 01, 1997
Filed:
Aug. 08, 1994
Sumitomo Bakelite Company Limited, Tokyo, JP;
Abstract
A guide tube comprising a tube body having a throughhole penetrated therethrough in the axial direction and a mouthpiece provided at the rearward end of the tube body, or comprising a tube body having a throughhole penetrated therethrough in the axial direction, a connector provided at the rearward end of the tube body and a mouthpiece engageable with and detachable from the connector, the tube body being embedded with a coil spring in the tube wall and cut slantly to the axial direction at the forward end, and the mouthpiece having a circular or elliptical cross-sectional shape, a rib at the forward end and a flange at the rearward end, and the connector being in a structure engageable with and detachable from the mouthpiece and having at the rearward end a sealing film member with a slit or a perforation at the center facilitates passage of an endoscope through the phalynx to the esophagus, simplifies washing of or aspiration from the esophagus or stomach and shortens the treating time and reduces a painful burden on patients much more, when the engageable and detachable mouthpiece is used.