An efficient, compact and simple-to-use blood gas exchanger for long-term use

Area of Science:

• Biomedical Engineering
• Cardiovascular Technology

Background:

• The development of efficient membrane oxygenators is crucial for extracorporeal circulation.
• Current devices face challenges in optimizing mass transfer and operational simplicity.

Purpose of the Study:

• To evaluate the performance and safety of the CCF folded coil membrane oxygenator.
• To investigate the impact of membrane-gas net interaction on oxygenator efficiency.

Main Methods:

• In vitro and ex vivo testing of the CCF folded coil membrane oxygenator.
• Evaluation of a three-layer gas net structure for membrane support.
• Assessment of oxygenator performance over long-term experiments and clinical trials.

Main Results:

• Demonstrated high mass transfer capabilities in vitro and ex vivo.
• Improved transfer efficiency observed with controlled blood film thickness.
• No serious adverse effects noted in four ex vivo bypass trials.
• No deterioration in oxygenator performance during long-term experiments.

Conclusions:

• The CCF folded coil membrane oxygenator exhibits high efficiency and reliability.
• Its simplified design and operation enhance its suitability for clinical use.
• Further refinement and testing are expected to confirm its role as a versatile membrane oxygenator.