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Institute of Medical and Biological Engineering

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Heart Valve simulation

Pulsatile Flow Simulation

• Tissue/mechanical heart valves
• Aortic and pulmonary roots
• Heart rates: 30 - 200 bpm
• Stroke volumes: upto 100 ml
• Pressure 120/80 ??
• Adjustable compliance
• Output:
- Mean pressure diffrence wrt RMS forward flow
- Closing and closed valve regurgitation
- Energy loss
• ISO5840 (2005)

For further information please contact Dr Louise Jennings, Research & Laboratory Manager.

Durability Testing

• Rowan Ash fatigue accelerators
• Up to 6 valves/roots per machine
• Frequency 5-20 Hz
• Minimum closed pressures
- Aortic: 90 monthly
- Mitral: 120 ??
• ISO5840 (2005)

For further information please contact Dr Louise Jennings, Research & Laboratory Manager.