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:
Mar. 19, 2002
Filed:
Mar. 12, 1999
Eiji Murakami, Hachioji, JP;
Katsumi Sasaki, Tokyo, JP;
Toshihiko Hashiguchi, Sagamihara, JP;
Kenichi Kimura, Hachioji, JP;
Akira Shiga, Hidaka, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
A treatment tool for operation comprises an insertion section ( ) inserted into a living body, an operating section ( ) including a fixed handle ( ) removably connected to the base end side of the insertion section and a movable handle ( ) adapted to operate with respect to the fixed handle, and a treatment section drive unit ( ) including a treatment section operable and arranged at the forward end side of the insertion section, a drive unit ( ) for driving the treatment section and a drive shaft ( ) for connecting the drive unit to the operating section and transmitting the operating force of the operating section to the drive unit for operating the treatment section. An engaging section ( ) is arranged at the forward end side of the fixed handle, and an engaging/disengaging member ( ) is arranged at the base end of the insertion section and is adapted to engage the engaging section as required. A biasing member is provided for energizing the disengaging/engaging member toward the position of engagement between the engaging/disengaging member and the engaging section.