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:
Nov. 14, 2006
Filed:
Sep. 02, 2002
Yuichiro Noda, Kyoto, JP;
Yuichiro Noda, Kyoto, JP;
Arkray, Inc., Kyoto, JP;
Abstract
A blood testing tool is provided, which can recover blood plasma or blood serum with a high yield without causing hemolysis of blood cells. A recovery porous membraneto be impregnated with blood serum or blood plasma contained in blood and retain it and a separation porous membranefor separating blood cells from the blood are provided. The separation porous membraneis laminated on the recovery porous membranewhile satisfying the condition that pores on an upper surface side of the recovery porous membrane have an average pore size that is in a range from 10 to 1000 μm and is larger than that of pores on a lower surface side of the separation porous membrane, thus providing a blood testing tool according to the present invention.