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Dialysate Pressure Isobars in a Hollow‐Fiber Dialyzer Determined from Magnetic Resonance Imaging and Numerical Simulation of Dialysate Flow
Author(s) -
Osuga Toshiaki,
Obata Takayuki,
Ikehira Hiroo,
Tanada Shuji,
Sasaki Yasuhito,
Naito Hidemune
Publication year - 1998
Publication title -
artificial organs
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.684
H-Index - 76
eISSN - 1525-1594
pISSN - 0160-564X
DOI - 10.1046/j.1525-1594.1998.06018.x
Subject(s) - isobar , magnetic resonance imaging , fiber , flow (mathematics) , filtration (mathematics) , pressure gradient , chemistry , mechanics , resonance (particle physics) , nuclear magnetic resonance , biomedical engineering , materials science , physics , engineering , atomic physics , mathematics , medicine , radiology , nucleon , statistics , organic chemistry
A procedure to determine dialysate pressure isobars by comparing the results of magnetic resonance imaging (MRI) and numerical simulation of the dialysate flow was established. The assumption used in the filtration analyses, that the dialysate pressure varies only in the central‐axial direction, is supported by the finding that the determined isobars have no steep radial gradient. MRI of the contrast solution permeating the hollow fibers verifies the uniformity of the hollow fiber density in the dialyzer.