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.

Date of Patent:
Apr. 13, 2010

Filed:

Nov. 11, 2002
Applicant:

Takehiko Yuki, Hiroshima, JP;

Inventor:

Takehiko Yuki, Hiroshima, JP;

Assignee:

JMS Co., Ltd., Hiroshima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01); A61M 5/178 (2006.01); A61M 5/315 (2006.01); A01G 25/16 (2006.01); F16K 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A three-way stopcock that can be opened/closed in the same manner as conventional operation methods and can reduce stagnated portions of fluid in a fluid flow passage. Out of branch openings, a first branch opening and a second branch opening are arranged on a straight line, and a third branch opening is directed perpendicularly to the line connecting the first and second branch openings. Provided at a flow passage switch portion are a first flow-passage opening and a second flow-passage opening that are arranged on a straight line and a third flow-passage opening that is directed perpendicularly to the line connecting the first and second bran openings.


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