| A magnetic bearing system for a continuous ventricular assist device. | |
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MedLine Citation:
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PMID: 10503624 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This article describes a prototype continuous flow ventricular assist device (CFVAD3) supported in magnetic bearings. The VAD is a small centrifugal four bladed pump. The pump's geometry is explained. The CFVAD3 is the first compact VAD completely supported in magnetic bearings. The magnetic bearings are composed of an inlet side actuator divided into eight pole sets, and an outlet side actuator, also divided into eight pole sets. The pump operating performance was tested and found to be within the design flow rate of up to 9 L/min, and head up to 170 mm Hg for human circulatory support. Magnetic bearing operation out of center positions under various operating orientations were measured and found to be < 1/6 of the bearing clearance, well within specifications. The expected magnetic bearing power loss has been calculated at approximately 6.5 watts. |
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Authors:
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M J Baloh; P E Allaire; E F Hilton; N Wei; D Baun; R D Flack; D B Olson; G B Bearnson; P S Khanwilkar |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: ASAIO journal (American Society for Artificial Internal Organs : 1992) Volume: 45 ISSN: 1058-2916 ISO Abbreviation: ASAIO J. Publication Date: 1999 Sep-Oct |
Date Detail:
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Created Date: 1999-10-29 Completed Date: 1999-10-29 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 9204109 Medline TA: ASAIO J Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 450-4 Citation Subset: IM |
Affiliation:
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Electrical Engineering Department of the University of Virginia, Charlottesville 22903, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Heart-Assist Devices* Humans Magnetics* |
| Grant Support | |
ID/Acronym/Agency:
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1R43HL558075/HL/NHLBI NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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