Visualization of the hinge flow in a 5: 1 scaled model of the medtronic parallel bileaflet heart valve prosthesis

T. M. Healy, A. A. Fontaine, J. T. Ellis, S. P. Walton, A. P. Yoganathan

Research output: Contribution to journalArticle

  • 17 Citations

Abstract

In this work, a flow visualization experiment was performed to elucidate features of the retrograde hinge flow through a 5:1 scaled model of the Medtronic Parallel bileaflet heart valve. It was hypothesized that this model would provide detailed flow information facilitating identification of flow structures associated with thrombus formation in this valve. The experimental protocol was designed to ensure fluid dynamic similarity between the model and prototype heart valves. Flow was visualized using dye injection. The detailed flow structures observed showed the hinge's inflow channel was the most suspect region for thrombus formation. Here a complex helical structure was observed.

Original languageEnglish (US)
Pages (from-to)512-518
Number of pages7
JournalExperiments in Fluids
Volume25
Issue number5-6
StatePublished - 1998
Externally publishedYes

Profile

Anthralin
Fluorouracil
Hinges
heart valves
hinges
Flow structure
Ambenonium Chloride
Common Bile Duct Diseases
Cholesterol 7-alpha-Hydroxylase
Joint Commission on Accreditation of Healthcare Organizations
Elbow Joint
Visualization
Heart valve prostheses
Flow visualization
Fluid dynamics
Identification (control systems)
Dyes
Experiments
information flow
flow visualization

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Computational Mechanics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Visualization of the hinge flow in a 5 : 1 scaled model of the medtronic parallel bileaflet heart valve prosthesis. / Healy, T. M.; Fontaine, A. A.; Ellis, J. T.; Walton, S. P.; Yoganathan, A. P.

In: Experiments in Fluids, Vol. 25, No. 5-6, 1998, p. 512-518.

Research output: Contribution to journalArticle

Healy, T. M.; Fontaine, A. A.; Ellis, J. T.; Walton, S. P.; Yoganathan, A. P. / Visualization of the hinge flow in a 5 : 1 scaled model of the medtronic parallel bileaflet heart valve prosthesis.

In: Experiments in Fluids, Vol. 25, No. 5-6, 1998, p. 512-518.

Research output: Contribution to journalArticle

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