Numerical design and experimental hydraulic testing of an axial flow ventricular assist device for infants and children
ASAIO Journal, ISSN: 1058-2916, Vol: 53, Issue: 6, Page: 754-761
2007
- 36Citations
- 20Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations36
- Citation Indexes36
- 36
- CrossRef34
- Captures20
- Readers20
- 20
Article Description
Mechanical circulatory support options for infants and children are very limited in the United States. Existing circulatory support systems have proven successful for short-term pediatric assist, but are not completely successful as a bridge-to-transplant or bridge-to-recovery. To address this substantial need for alternative pediatric mechanical assist, we are developing a novel, magnetically levitated, axial flow pediatric ventricular assist device (PVAD) intended for longer-term ventricular support. Three major numerical design and optimization phases have been completed. A prototype was built based on the latest numerical design (PVAD3) and hydraulically tested in a flow loop. The plastic PVAD prototype delivered 0.5-4 lpm, generating pressure rises of 50-115 mm Hg for operating speeds of 6,000-9,000 rpm. The experimental testing data and the numerical predictions correlated well. The error between these sets of data was found to be generally 7.8% with a maximum deviation of 24% at higher flow rates. The axial fluid forces for the numerical simulations ranged from 0.5 to 1 N and deviated from the experimental results by generally 8.5% with a maximum deviation of 12% at higher flow rates. These hydraulic results demonstrate the excellent performance of the PVAD3 and illustrate the achievement of the design objectives. ©2007Amercian Society of Artificial Internal Organs.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=36549056164&origin=inward; http://dx.doi.org/10.1097/mat.0b013e31815581ea; http://www.ncbi.nlm.nih.gov/pubmed/18043161; http://content.wkhealth.com/linkback/openurl?sid=WKPTLP:landingpage&an=00002480-200711000-00023; https://journals.lww.com/00002480-200711000-00023; https://dx.doi.org/10.1097/mat.0b013e31815581ea; https://journals.lww.com/asaiojournal/Fulltext/2007/11000/Numerical_Design_and_Experimental_Hydraulic.23.aspx
Ovid Technologies (Wolters Kluwer Health)
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