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. 24, 2012
Filed:
Apr. 25, 2008
Applicant:
Norihiro Yamada, Hachioji, JP;
Inventor:
Norihiro Yamada, Hachioji, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 17/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
First and second actuators where positive electrodes and negative electrodes are disposed on cylindrical electrostrictive polymers are disposed so as to face each other via a fixing member, a blade inserted into the first actuator is provided on the fixing member, and the blade is ultrasonically vibrated via the fixing member by driving one of the first and second actuators in a stretching and shrinking manner and driving the other in a stretching manner in synchronization with each other.