Monitoring cardiac output continuously post-surgery for children with congenital heart disease is an important part of post-operative recovery, especially given the potential for large changes in vascular pressure as a side-effect of pharmaceutical agents given to help recovery. Current methods to monitor cardiac output are limited by the requirement for invasiveness (cuff-type flow probes), or do not provide continuous monitoring (ultrasound Doppler). Using a combination of analytical and finite element modeling, we explore the design and optimization of a unique ultrasonic transit-time flow probe that extends the capability of current devices by providing greater miniaturization, better sensitivity, and lower cost through the use of capacitive micromachined ultrasound transducer (cMUT) technology.
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ASME 2007 Summer Bioengineering Conference
June 20–24, 2007
Keystone, Colorado, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
0-7918-4798-5
PROCEEDINGS PAPER
An Implantable Transit-Time Aortic Flow Probe Using Capacitive Micromachined Ultrasound Transducers: Design and Optimization
Jessica Liu,
Jessica Liu
University of Colorado at Boulder, Boulder, CO
Search for other works by this author on:
Robin Shandas
Robin Shandas
University of Colorado at Boulder, Boulder, CO
The Children’s Hospital, Denver, CO
Search for other works by this author on:
Jessica Liu
University of Colorado at Boulder, Boulder, CO
Robin Shandas
University of Colorado at Boulder, Boulder, CO
The Children’s Hospital, Denver, CO
Paper No:
SBC2007-176579, pp. 745-746; 2 pages
Published Online:
March 12, 2014
Citation
Liu, J, & Shandas, R. "An Implantable Transit-Time Aortic Flow Probe Using Capacitive Micromachined Ultrasound Transducers: Design and Optimization." Proceedings of the ASME 2007 Summer Bioengineering Conference. ASME 2007 Summer Bioengineering Conference. Keystone, Colorado, USA. June 20–24, 2007. pp. 745-746. ASME. https://doi.org/10.1115/SBC2007-176579
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