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Development of a miniature undulation pump for the distributed artificial heart
1Department of Biomedical Engineering, Graduate School of Medicine, University of Tokyo, Tokyo, Japan. abe@bme.rcast.u-tokyo.ac.jp
Artificial Organs
|September 6, 2000
Summary
A new miniature undulation pump was developed for artificial heart research. This device demonstrates sufficient performance for individual organ perfusion, advancing distributed artificial heart technology.
Area of Science:
- Biomedical Engineering
- Cardiovascular Research
Background:
- Research into distributed artificial hearts is crucial for understanding organ perfusion and blood distribution mechanisms.
- Developing effective artificial heart components is essential for advancing medical technology.
Purpose of the Study:
- To develop a miniature undulation pump for investigating distributed artificial hearts.
- To assess the pump's suitability for individual organ perfusion.
Main Methods:
- A miniature undulation pump was designed and constructed with specific dimensions (38 mm diameter, 11 mm thickness, 3.2 ml priming volume).
- The pump system, including the motor unit, measured 38 mm in diameter and 32 mm in length, weighing 67.5 g.
- Pulse width modulation control using a single-chip motor controller drove the pump.
Main Results:
- The developed pump achieved a continuous output exceeding 5 L/min.
- The system's compact size and weight (27.5 ml total volume) are suitable for integration.
- Performance metrics indicate suitability for individual organ perfusion applications.
Conclusions:
- The developed miniature undulation pump system possesses adequate performance for individual organ perfusion.
- This technology represents a significant step forward in the field of distributed artificial hearts.
