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:
Apr. 23, 2019
Filed:
Dec. 28, 2015
Kolon Industries, Inc., Gwacheon-si, Gyeonggi-do, KR;
Min Ho Lee, Yongin-si, KR;
Jin Il Kim, Yongin-si, KR;
KOLON INDUSTRIES, INC., Gwacheon-si, Gyeonggi-do, KR;
Abstract
Disclosed are a blood filter which exhibits excellent leukocyte elimination performance as well as significantly improved blood throughput per unit time and erythrocyte recovery rate and a method of manufacturing the same. The blood filter of the present invention includes a pre-treatment filter which is a laminate of first non-woven fabrics having a mean fiber diameter of 5 to 30 μm and a mean pore size of 10 to 30 μm, and a main filter which is a laminate of second non-woven fabrics having a mean fiber diameter of 1 to 5 μm, a mean pore size of 5 to 10 μm and a mean pore size distribution rate of 30% or more. A filling density of the pre-treatment filter and a filling density of the main filter, with respect to a target blood throughput of the blood filter, are 0.1 g/100 ml to 1 g/100 ml and 1 g/100 ml to 3 g/100 ml, respectively.
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