| Flow visualization as a complementary tool to hemolysis testing in the development of centrifugal blood pumps. | |
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MedLine Citation:
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PMID: 9609344 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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With a 250% scaled-up pump model, high speed video camera, and argon ion laser light sheet, flow patterns related to hemolysis were visualized and analyzed with 4 frame particle tracking software. Different flow patterns and shear distributions were clarified by flow visualization for pumps modified to have different hemolysis levels. A combination of in vitro hemolysis tests, flow visualization, and CFD analysis suggested a close relationship between hemolysis and high shear caused by small impeller/casing gaps. Because arbitrary cross sections can be illuminated by laser light sheet, flow visualization is a useful tool in finding locations related to hemolysis in the design process of rotary blood pumps. |
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Authors:
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T Yamane; B Asztalos; M Nishida; T Masuzawa; K Takiura; Y Taenaka; Y Konishi; Y Miyazoe; K Ito |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Artificial organs Volume: 22 ISSN: 0160-564X ISO Abbreviation: Artif Organs Publication Date: 1998 May |
Date Detail:
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Created Date: 1998-09-09 Completed Date: 1998-09-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7802778 Medline TA: Artif Organs Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 375-80 Citation Subset: IM |
Affiliation:
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Mechanical Engineering Laboratory, Tsukuba, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Biomechanics Blood Flow Velocity / physiology Heart-Assist Devices / trends* Hemolysis / physiology* Humans Image Processing, Computer-Assisted / methods* Lasers Models, Theoretical |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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