| The effect of pulsatile power loads on nickel/cadmium battery cells for mechanical circulatory support devices. | |
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MedLine Citation:
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PMID: 8186495 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A number of portable medical devices, including the implantable ventricular assist device, demand fluctuating or pulsatile power from their batteries. Therefore, a study was undertaken to determine the effects of these pulsatile discharge loads on the cycle life and operating time of rectangular prismatic nickel/cadmium battery cells. The battery cells were charge/discharge cycled at 37 degrees C using either a pulsatile discharge load of 10.0 or 11.25 W (average) or a nonpulsatile discharge load equivalent to the average of the pulsatile loads. The tests showed that the pulsatile discharged cells gave significantly less operating time throughout their cycle life, by a mean of 3 +/- 3-8 +/- 2 min on each cycle (ie, 8 +/- 8-18 +/- 5%), compared to the cells under equivalent nonpulsatile discharge loads. The tests also showed that the pulsatile discharged cells had significantly shorter cycle lives, by 61-97 cycles (11-17%), than the nonpulsatile discharged cells. The results show that, under the test conditions of this study, pulsatile discharge loads reduce the cycle lives and operating times of rectangular prismatic nickel/cadmium battery cells, compared to cells discharged under nonpulsatile loads of equivalent average power. |
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Authors:
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G K MacLean; P A Aiken; D G Duguay; W A Adams; T Mussivand |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: ASAIO journal (American Society for Artificial Internal Organs : 1992) Volume: 40 ISSN: 1058-2916 ISO Abbreviation: ASAIO J. Publication Date: 1994 Jan-Mar |
Date Detail:
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Created Date: 1994-06-23 Completed Date: 1994-06-23 Revised Date: 2006-11-15 |
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: 67-9 Citation Subset: IM |
Affiliation:
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Cardiovascular Devices Division, University of Ottawa Heart Institute, Ontario, Canada. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Cadmium* Electric Power Supplies Heart-Assist Devices* Humans Nickel* |
| Chemical | |
Reg. No./Substance:
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7440-02-0/Nickel; 7440-43-9/Cadmium |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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