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:
Jun. 19, 2007
Filed:
Nov. 29, 1999
Kazuaki Inukai, Tokyo, JP;
Susumu Miyasaka, Tokyo, JP;
Kazuhiro Abe, Tokyo, JP;
Hideyuki Makino, Tokyo, JP;
Kazuaki Inukai, Tokyo, JP;
Susumu Miyasaka, Tokyo, JP;
Kazuhiro Abe, Tokyo, JP;
Hideyuki Makino, Tokyo, JP;
Nippon Sherwood Medical Industries, Ltd., Tokyo, JP;
Abstract
A sealable access stopcock includes a valve body having a switching part formed in a valve shaft thereof for switching from one flow passage to another; and a main body having an internal chamber in which the valve shaft of the valve body is rotatably fitted, and a plurality of tributary tubes each having a lumen extending therethrough, the lumen opening on a side wall of the internal chamber; the valve body being rotated to selectively bring the lumens into communication with one another through the switching part and thereby switch flow of an infusion fluid from one flow passage to another. A switching channel is provided in the form of an arcuate groove in the switching part of the valve shaft to extend along the circumferential surface thereof.