Peristaltic hemodynamics of a new pediatric circulatory assist system for Fontan circulation using shape memory alloy fibers

A. Yamada, Y. Shiraishi, H. Miura, T. Yambe, M. H. Omran, T. Shiga, Yusuke Tsuboko, D. Homma, M. Yamagishi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

Fontan procedure is one of the common surgical treatments of congenital heart diseases. Patients with Fontan circulation have single ventricle in the systemic circulation with the total cavopulmonary connection. We have been developing a pulmonary circulatory assist device using shape memory alloy fibers for Fontan circulation with total cavopulmonary connection. It consisted of the shape memory alloy fibers, the diameter of which are 100 μm. The fibers could wrap the ePTFE conduit for Fontan TCPC connection from the outside. We designed the sequential motion control system for sophisticated pulmonary hemodynamics by the pulsatile flow generation. In order to achieve pulsatile flow assistance in pulmonary arterial system, we fabricated a mechanical structure by sequential contraction of shape memory alloy fibers. Then, we developed a sequential contraction controller for the assist system, which could reproduce the wall contractile velocity at 6.0 to 20.0 cm/sec. We examined hemodynamic characteristic of its function using a mock circulatory system, which consisted of two overflow tanks representing venous and pulmonary arterial pressures in Fontan circulation. As a result, the pulmonary circulation assist device with sequential contraction could achieve effective promotion of the pulsatility in pulmonary arterial flow.

Original languageEnglish
Title of host publication2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013
Pages683-686
Number of pages4
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013 - Osaka, Japan
Duration: 2013 Jul 32013 Jul 7

Other

Other2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013
CountryJapan
CityOsaka
Period13/7/313/7/7

Fingerprint

Pediatrics
Hemodynamics
Cardiovascular System
Shape memory effect
Pulsatile flow
Lung
Fibers
Pulsatile Flow
Fontan Procedure
Motion control
Equipment and Supplies
Pulmonary Circulation
Heart Diseases
Arterial Pressure
Control systems
Controllers

ASJC Scopus subject areas

  • Signal Processing
  • Biomedical Engineering
  • Computer Vision and Pattern Recognition
  • Health Informatics

Cite this

Yamada, A., Shiraishi, Y., Miura, H., Yambe, T., Omran, M. H., Shiga, T., ... Yamagishi, M. (2013). Peristaltic hemodynamics of a new pediatric circulatory assist system for Fontan circulation using shape memory alloy fibers. In 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013 (pp. 683-686). [6609592] https://doi.org/10.1109/EMBC.2013.6609592

Peristaltic hemodynamics of a new pediatric circulatory assist system for Fontan circulation using shape memory alloy fibers. / Yamada, A.; Shiraishi, Y.; Miura, H.; Yambe, T.; Omran, M. H.; Shiga, T.; Tsuboko, Yusuke; Homma, D.; Yamagishi, M.

2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. 2013. p. 683-686 6609592.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yamada, A, Shiraishi, Y, Miura, H, Yambe, T, Omran, MH, Shiga, T, Tsuboko, Y, Homma, D & Yamagishi, M 2013, Peristaltic hemodynamics of a new pediatric circulatory assist system for Fontan circulation using shape memory alloy fibers. in 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013., 6609592, pp. 683-686, 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013, Osaka, Japan, 13/7/3. https://doi.org/10.1109/EMBC.2013.6609592
Yamada A, Shiraishi Y, Miura H, Yambe T, Omran MH, Shiga T et al. Peristaltic hemodynamics of a new pediatric circulatory assist system for Fontan circulation using shape memory alloy fibers. In 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. 2013. p. 683-686. 6609592 https://doi.org/10.1109/EMBC.2013.6609592
Yamada, A. ; Shiraishi, Y. ; Miura, H. ; Yambe, T. ; Omran, M. H. ; Shiga, T. ; Tsuboko, Yusuke ; Homma, D. ; Yamagishi, M. / Peristaltic hemodynamics of a new pediatric circulatory assist system for Fontan circulation using shape memory alloy fibers. 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2013. 2013. pp. 683-686
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