Laser Doppler velocimetry and flow visualization studies in the regurgitant leakage flow region of three mechanical mitral valves.

@article{Meyer2001LaserDV,
  title={Laser Doppler velocimetry and flow visualization studies in the regurgitant leakage flow region of three mechanical mitral valves.},
  author={Richard S. Meyer and S. J. Deutsch and Christopher Bachmann and John M. Tarbell},
  journal={Artificial organs},
  year={2001},
  volume={25 4},
  pages={
          292-9
        }
}
Streak line flow visualization and laser Doppler velocimetry (LDV) were conducted in the regurgitant leakage flow region of 3 mechanical heart valve types: CarboMedics, Medtronic Hall, and St. Jude Medical. Streak line flow visualization identified regions of high regurgitant flow, and LDV measurements were focused on those locations. Maximum regurgitant flow velocities after valve closure ranged from 0.7 to 2.6 m/s, and maximum Reynolds shear stress after valve closure ranged from 450 to 3,600… CONTINUE READING

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