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:
Jun. 19, 2012
Filed:
Mar. 16, 2010
Applicants:
Klaus Heilmann, Wendel, DE;
Steffen Fritzsche, Aalen, DE;
Inventors:
Klaus Heilmann, Wendel, DE;
Steffen Fritzsche, Aalen, DE;
Assignee:
Fresenius Medical Care Deutschland GmbH, Bad Homburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/26 (2006.01); B01D 61/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a filter device, preferably for hemodialysis, that consists of a cylindrical filter housing and a bundle of curled hollow fibers. The bundle is arranged in the filter housing. According to the invention, the curled hollow fibers are provided with an essentially sinusoidal texture and a wavelength that is defined by means of certain limits. The invention also relates to a curled hollow fiber and a method for filling a hollow fiber dialyser.