The osmotic swelling characteristics of cardiac valve prostheses

C. Bachmann, M. Wilson, V. Kini, S. Deutsch, Arnold Anthony Fontaine, J. M. Tarbell

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Several types of mechanical cardiac prostheses have been constructed with Delrin occluders, a material that is subject to osmotic swelling. The leaflets are designed to expand to specific tolerances when immersed in blood. The synthetic blood analogs commonly used in vitro contain hydrophilic compounds that can alter the osmotic expansion of the Delrin occluders. A static leak test chamber was employed to illustrate the effects of various test fluids on the sustained regurgitation phase of Delrin valves.

Original languageEnglish (US)
Pages (from-to)453-454
Number of pages2
JournalJournal of Biomechanical Engineering
Volume122
Issue number4
DOIs
StatePublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Biomedical Engineering
  • Physiology (medical)

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