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:
Jan. 17, 2012
Filed:
Mar. 26, 2010
Tsutomu Sugiki, Nakakoma-gun, JP;
Masaaki Kasai, Nakakoma-gun, JP;
Yukio Imai, Nakakoma-gun, JP;
Shingo Ishii, Nakakoma-gun, JP;
Tsutomu Sugiki, Nakakoma-gun, JP;
Masaaki Kasai, Nakakoma-gun, JP;
Yukio Imai, Nakakoma-gun, JP;
Shingo Ishii, Nakakoma-gun, JP;
Terumo Kabushiki Kaisha, Shibuya-Ku, Tokyo, JP;
Abstract
A valve body is formed from an elastic member in the form of an elliptic or circular film (disk shape) having an upper face and a lower face. The valve body has an opening and closing section which is opened and closed in response to insertion and pulling out of a dilator and is formed from a first slit, a second slit, a second concave portion and two third concave portions. A pair of ribs and six projections are formed on the lower face side of the valve body. The ribs are disposed in opposing relationship to each other with the second slit interposed therebetween and extend along the lower face. Further, the projections are disposed such that they are positioned on the inner side of the ribs and are opposed to each other with the second slit interposed therebetween.