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Gas Transfer and Hemolysis in an Intravascular Lung Assist Device Using a PZT Actuator
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  • Gas Transfer and Hemolysis in an Intravascular Lung Assist Device Using a PZT Actuator
  • Gas Transfer and Hemolysis in an Intravascular Lung Assist Device Using a PZT Actuator
저자명
Hong. Chul-Un,Kim. Jeong-Mi,Kim. Min-Ho,Kim. Seong-Jong,Kang. Hyung-Sub,Kim. Jin-Shang,Kim. Gi-Beum
간행물명
International journal of precision engineering and manufacturing
권/호정보
2009년|10권 1호|pp.67-73 (7 pages)
발행정보
한국정밀공학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

The purpose of this study was to investigate the effect of multiple mechanical forces in gas exchange and hemolysis in an intravascular lung assist device (IVLAD). Specific focus was given to the effect of membrane vibration. We designed the oscillatory type artificial lung assist device attached with a polyvinylidene fluoride sensor and a lead zirconate titanate (PZT) actuator (vibrator). Maximum oxygen transfer occurred at a frequency of 7 Hz for bovine blood and 35 Hz for distilled water. The normalized index of hemolysis oxygenator values for the circuit was 0.0014 g/mL for excitation of the PZT actuator with a sinusoidal 10-V wave and 0.0018 g/mL for a 50-V wave. The experiment results indicate effective performance in enhancing the gas transfer of the IVLAD. This novel hollow membrane filter IVLAD design demonstrates an acceptable level of gas exchange performance with an acceptable level of blood compatibility, and so it has potential as an implantable lung assist device for patients with acute respiratory distress syndrome.