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. 04, 1995
Filed:
May. 29, 1992
Applicant:
Inventors:
Jose C Deniega, Lake Forest, CA (US);
Daniel H Duff, Irvine, CA (US);
Donald W Schoendorfer, Santa Ana, CA (US);
William R Miller, Santa Ana, CA (US);
Assignee:
Baxter International Inc., Deerfield, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604-4 ; 604-6 ;
Abstract
Methods and devices for separating leukocytes from a leukocyte contaminated blood fraction by use of a rotating membrane filter apparatus. The invention includes methods/devices for preparing substantially leukocyte free platelet concentrate for therapeutic use. The devices of the invention include a rotating membrane filter apparatus for leukocyte separation as well as tubing harness/component systems (FIGS. 2a, 2b, 2c) useable in connection with automated apheresis instruments.