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:
Sep. 10, 1991
Filed:
Dec. 07, 1989
Tetsumaru Kubota, Tokyo, JP;
Tatsuo Nagasaki, Tokyo, JP;
Koji Taguchi, Tokyo, JP;
Hiroyoshi Fujimori, Tokyo, JP;
Akio Nakada, Tokyo, JP;
Syuichi Takayama, Tokyo, JP;
Daisaku Negoro, Tokyo, JP;
Toshiki Terayama, Tokyo, JP;
Hiroyuki Kusunoki, Tokyo, JP;
Shinji Hatta, Tokyo, JP;
Hitoshi Karasawa, Tokyo, JP;
Masaaki Hayashi, Tokyo, JP;
Tadao Hagino, Tokyo, JP;
Akihiro Taguchi, Tokyo, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A medical resecting device is disclosed in which, a living organism tissue is resected with ultrasonic vibrations while the corresponding body cavity is observed with an optical observation pipe. The resecting device includes an ultrasonic vibrator for generating ultrasonic vibrations, a horn connected to the vibrator, a probe connected to the front portion of the horn to transmit the ultrasonic vibrations generated by the vibrator, the probe being provided with a rod-like shaft and a distal end portion with a resecting blade, a power source unit for supplying a drive voltage to the vibrator, and an optical observation pipe having a guide hole in which the shaft of the probe is inserted.