In vitro function and durability of a polyurethane heart valve: material considerations.

@article{Bernacca1996InVF,
  title={In vitro function and durability of a polyurethane heart valve: material considerations.},
  author={Gillian M Bernacca and Tom G. Mackay and David J. Wheatley},
  journal={The Journal of heart valve disease},
  year={1996},
  volume={5 5},
  pages={538-42}
}
BACKGROUND AND AIMS OF THE STUDY Flexible trileaflet polyurethane heart valves can be designed which have good hydrodynamic function in vitro. The choice of polyurethane for fabrication of such valves is not simple; several similar polyurethanes are available, but relatively minor differences in their structure and composition may have profound effects on long term fatigue behavior with little effect on their short term mechanical properties. METHODS The relative functional characteristics of… CONTINUE READING

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