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:
Feb. 14, 2006
Filed:
Jul. 12, 2004
Akihisa Furukawa, Sendai, JP;
Toshiyuki Takagi, Sendai, JP;
Hidetoshi Matsuki, Sendai, JP;
Yun Luo, Sendai-shi, Miyagi, JP;
Junko Hayashi, Sendai, JP;
Tomoyuki Yambe, Sendai, JP;
Takamichi Kamiyama, Sendai, JP;
Shintaro Amae, Sendai, JP;
Motoshi Wada, Sendai, JP;
Akihisa Furukawa, Sendai, JP;
Toshiyuki Takagi, Sendai, JP;
Hidetoshi Matsuki, Sendai, JP;
Yun Luo, Sendai-shi, Miyagi, JP;
Junko Hayashi, Sendai, JP;
Tomoyuki Yambe, Sendai, JP;
Takamichi Kamiyama, Sendai, JP;
Shintaro Amae, Sendai, JP;
Motoshi Wada, Sendai, JP;
NEC Tokin Corporation, Miyagi, JP;
Other;
Abstract
With an object of providing an artificial sphincter for which repeated shape changes are possible, and for which the quantity of shape change is sufficient so as to be used as a substitute for a large natural sphincter, an artificial sphincterthat opens and closes, as required, either the anus of a living body or part of the intestineled outside the body is provided, wherein this artificial sphinctercomprises a pair of shape memory alloy elementsthat change reversibly between two opposite shapes upon changes in temperature and hingesthat link the shape memory alloy elementstogether in a cylindrical shape.