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Development of the Insufflator for Endoscopic Surgery using the Fluidic System in Printed Circuit Board

유공압 부품이 내장된 인쇄회로기판을 활용한 내시경 수술용 기복기의 개발

  • Lee, Hee-Nam (Interdisciplinary program of Biomedical Engineering, Hanyang University) ;
  • Kim, In-Young (Dept. of Biomedical Engineering, Hanyang University) ;
  • Chee, Young-Joon (Dept. of Biomedical Engineering, University of Ulsan)
  • 이희남 (한양대학교 의용생체공학 협동과정) ;
  • 김인영 (한양학교 의과대학 의공학교실) ;
  • 지영준 (울산대학교 의공학과)
  • Received : 2010.11.02
  • Accepted : 2011.02.05
  • Published : 2011.02.28

Abstract

The insufflators in endoscopic surgery supply carbon dioxide to make the air-filled cavity in the abdomen. It contains many kinds of pneumatic and electronic parts and they are connected with the air tubes and electrical wires. The printed circuit boards (PCB) perform wiring, holding and cooling tasks in electronic systems. In this study, the PCB is used as the air channel for insufflators to decrease the cost, volume, and the malfunction according to aging of the device. Three layers of PCB made of FR4 are combined with prepreg as adhesive which has the internal airway channel according to the design. By mounting the pressure sensors and valves, the PCB based fluidic system is implemented. After calibration of flow sensor, the flow rate of the gas also can be measured. The climate test, temperature test, and biocompatibility test showed this idea can be used in insufflators for laparoscopic surgery.

Keywords

References

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