[Power units of implanted artificial heart and assisted circulation system]

Area of Science:

• Biomedical Engineering
• Medical Devices
• Power Systems

Background:

• Existing and planned power supply systems for artificial hearts and assisted circulation devices are reviewed.
• These systems must meet stringent biological, functional, and technical demands for implanted applications.
• Current power sources face limitations in longevity and reliability for long-term use.

Purpose of the Study:

• To review and comparatively analyze power supply systems for artificial hearts and assisted circulation devices.
• To evaluate the suitability of various power sources against critical performance criteria.
• To identify the most promising power technology for future implanted circulatory support systems.

Main Methods:

• Literature review of existing and planned power supply systems.
• Comparative analysis based on biological compatibility, functional requirements, and technical specifications.
• Evaluation of energy conversion methods for implanted devices.

Main Results:

• Several power supply systems were assessed for their suitability in artificial heart and assisted circulation applications.
• Nuclear fuel emerges as a highly promising energy source due to its high energy density and longevity.
• Thermal engines utilizing gas and steam cycles are identified as efficient converters for nuclear energy in these devices.

Conclusions:

• Nuclear fuel presents a superior power source for implanted artificial hearts and assisted circulation systems.
• Thermal engines, specifically gas and steam cycle converters, are optimal for harnessing nuclear energy in these medical applications.
• This approach offers a viable path towards more sustainable and effective long-term circulatory support.