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Intra Vena Cava Balloon Pumping

by Tin-Kan Hung, Univ of Pittsburgh, Pittsburgh, United States,
Thomas E. Natan, Univ of Pittsburgh, Pittsburgh, United States,
Hua-qiang Li, Univ of Pittsburgh, Pittsburgh, United States,
Frank R. Walters, Univ of Pittsburgh, Pittsburgh, United States,
Brack G. Hattler, Univ of Pittsburgh, Pittsburgh, United States,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract:

An innovative prototype intravenous hollow-fiber oxygenator was developed in 1984 by B.G. Hattler. The device consisted of a microporous, hollow-fiber membrane oxygenator inserted into the venous system, residing in the superior vena cava, right atrium, and inferior vena cava. In the present study, two computational models are employed to examine the radial velocity field associated with an axisymmetric model of the balloon and vena cava, as well as the three-dimensional flow generated by an elliptical balloon motion.

Subject Headings: Three-dimensional models | Pumps | Fluid flow | Three-dimensional flow | Shear stress | Fluid velocity | Field tests

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