CMUT Based Microscale Integrated Ultrasound Systems for Minimally Invasive Intracardiac and Intravascular Imaging

Degertekin F. L., Tekes C., Xu T., Satir S., Gurun G., Zahorian J., ...More

2nd International Symposium on Functional Diversification of Semiconductor Electronics (More-Than-Moore) held during the 225th meeting of The-Electrochemical-Society, Florida, United States Of America, 11 - 15 May 2014, vol.61, pp.65-69 identifier identifier

  • Publication Type: Conference Paper / Full Text
  • Volume: 61
  • Doi Number: 10.1149/06106.0065ecst
  • City: Florida
  • Country: United States Of America
  • Page Numbers: pp.65-69
  • Istanbul Technical University Affiliated: Yes


High frequency ultrasonic imaging devices are widely used in minimally invasive catheter-based interventions especially in intravascular imaging, but there is still a need for more flexible devices with true 3-D volumetric imaging capability in front of the catheter tip. Single chip capacitive micromachined ultrasonic transducer (CMUT) arrays with on-chip CMOS electronics implementation provides great flexibility in designing array geometry and integrated front-end electronics. We have successfully implemented dual ring CMUT arrays for forward-looking intravascular ultrasound (IVUS) and intracardiac echography (ICE) imaging which provide 3-D volumetric imaging functionality. In this paper, we report on the details of the single-chip microscale imaging system and experimental results. We also discuss system improvements with initial experimental results.