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:
Mar. 17, 2009
Filed:
Oct. 06, 2005
Applicants:
Mel Jensen, Westhaven, UT (US);
Lynn E. Jensen, Syracuse, UT (US);
Thomas I. Folden, Alamo, CA (US);
John Oliver, Ogden, UT (US);
Olli Tuominen, Kowloon Tong, HK;
Inventors:
Mel Jensen, Westhaven, UT (US);
Lynn E. Jensen, Syracuse, UT (US);
Thomas I. Folden, Alamo, CA (US);
John Oliver, Ogden, UT (US);
Olli Tuominen, Kowloon Tong, HK;
Assignee:
Fresenius Medical Care Holdings, Inc., Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01); A61M 1/00 (2006.01); F16K 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blood flow reversal valve useful in hemodialysis having rotational detent features enabling audible and tactile feedback to a clinician and alignment features such as visible indicators associated with the blood lines on either side of the valve to confirm normal or reverse flow.