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. 09, 1990
Filed:
Dec. 12, 1988
Shin-ichi Ohkawa, Konohana, JP;
Koichi Tsuno, Konohana, JP;
Jun-ichi Hiramoto, Konohana, JP;
Norifumi Matsumiya, Konohana, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
A catheter adapted to be inserted into a blood vessel is disclosed which comprises a flexible tube-like sheath including a fluid passage therein and a radially expansive and contractive balloon disposed about the peripheral surface of the distal end portion of said sheath and communicating with said fluid passage. The catheter is characterized in that a light guide formed by extrusion for transmitting illumination light to the leading end of the catheter has disposed therein, an image guide for transmitting an image from the distal end of the catheter, and a transparent liquid guide passage opening at the distal end of the catheter, are guide being disposed substantially in parallel with each other within the flexible tube-like sheath whereby the catheter includes the concurrent function of an endoscope.