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. 03, 2012
Filed:
Jul. 01, 2010
Toshimasa Kawai, Yokohama, JP;
Toshimasa Kawai, Yokohama, JP;
Olympus Medical Systems Corp., Tokyo, JP;
Abstract
A manipulator comprises a tube body including a bending portion, a bending wire for a bending drive of the bending portion, a motor including a rotary shaft which rotates in accordance with a drive command signal, a reduction gear unit connected to the rotary shaft and configured by a plurality of gears meshing with each other, a detection unit which detects an operation state of the motor, a storage unit which stores load variation values periodically caused by the meshing of the plurality of gears constituting the reduction gear unit as correction information, a load calculation section which calculates a load exerted on the tube body as a bending load estimated value, and a notifying unit which notifies a calculation result of the load calculation section.