Patent ID: 7048856
Filing Date: 2006-05-23
Classification: A61M,B01D,C12N,G01N

Abstract:
1. An ultrafiltration system comprising: a) a membrane comprising micromachined pores having a length and a width, said length being less than 200 microns and said width being less than 200 nanometers, wherein the ratio of said length to said width is at least 5:1; b) a housing containing said membrane, wherein said housing comprises a coating, said coating being biocompatible for in vivo use; and c) a fluid delivery passageway configured to: i) receive blood or plasma from a subject's vasculature; ii) deliver said blood or plasma across said membrane to generate an ultrafiltered fluid; and iii) deliver said blood or plasma, said ultrafiltered fluid, or combinations thereof to said subject's vasculature.