TRANSMISSION OF WATER THROUGH A BIOCOMPATIBLE POLYURETHANE - APPLICATION TO CIRCULATORY ASSIST DEVICES.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Segmented polyurethane is one of the most widely used biomedical polymers for the blood contacting surface of both the total artificial heart (TAH), and left ventricular assist device (LVAD). Dispite excellent mechanical and surface characteristics, the high water permeability of this material has been criticized by several investigators. In order to precisely and continuously measure the water transmission through a polyurethane membrane, the authors designed a special diffusion cell and permeability system that simulated conditions at the blood-polyurethane interface. This system provided precise control of membrane boundary conditions and allowed calculation of the effective diffusion coefficient by the lag time method.

Original languageEnglish (US)
Title of host publicationTransactions of the Annual Meeting of the Society for Biomaterials in conjunction with the Interna
PublisherSoc for Biomaterials
Pages56
Number of pages1
Volume8
StatePublished - 1985

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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  • Cite this

    Reid, J., Rosenberg, G., & Pierce, W. S. (1985). TRANSMISSION OF WATER THROUGH A BIOCOMPATIBLE POLYURETHANE - APPLICATION TO CIRCULATORY ASSIST DEVICES. In Transactions of the Annual Meeting of the Society for Biomaterials in conjunction with the Interna (Vol. 8, pp. 56). Soc for Biomaterials.