Achievement of peristaltic design in the artificial esophagus based on esophageal characteristic analysis of goats’ specimen

Yasunori Taira, K. Kamiya, Y. Shiraishi, H. Miura, T. Shiga, M. O. Hashem, A. Yamada, Yusuke Tsuboko, T. Ito, K. Sano, D. Homma, T. Yambe

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

Abstract

In order to promote activity of daily life of patients with severe esophageal diseases, supporting peristalsis motion at the esophagus might be efficient. So we have been developing an artificial esophagus (AE) which has peristalsis motion function, and we have achieved the AE by using Ni-Ti shape memory alloy fibers. We extracted the esophagus from the epiglottis to the cardia potion from goats, which weighed 48.6±16.3 kg (n=4), after the animal experiment procedures. Prior to the measurement of characteristics of natural esophagus, we defined 5 segments in each extracted esophagus. Then we set the specimen in the static characteristic test apparatus in which we could measure segmental pressure-volume relations. Pressure and volume were measured simultaneously. All these measurement were performed within 3 hours from the extraction. Average length of each esophagus was 63±7cm. Because of the proximal segment of the specimen exhibited that the steeper increase of pressure than the distal portion near the cardia, we characterized that the distal esophagus is firmer than proximal. The proximal segment exhibited 55% bigger increase in pressure than the distal portion near the gastric cardiac part. Therefore it was suggested that compliance at the proximal portion could be lower at the small amount of internal volume. On the other hands, the extensibility of distal esophagus might be bigger than that at proximal segment. Consequently it was indicated that a new mechanical structure could be applied for the development of AE which could reproduce peristaltic motions.

Original languageEnglish
Title of host publicationThe 15th International Conference on Biomedical Engineering, ICBME 2013
PublisherSpringer Verlag
Pages372-374
Number of pages3
Volume43
ISBN (Electronic)9783319029122
DOIs
Publication statusPublished - 2014
Externally publishedYes
Event15th International Conference on Biomedical Engineering, ICBME 2013 - Singapore, Singapore
Duration: 2013 Dec 42013 Dec 7

Other

Other15th International Conference on Biomedical Engineering, ICBME 2013
CountrySingapore
CitySingapore
Period13/12/413/12/7

Fingerprint

Shape memory effect
Animals
Fibers
Experiments
Compliance
titanium nickelide

Keywords

  • Anisotropic structure
  • Circular muscle
  • Esophagus
  • Longitudinal muscle
  • Totally-implantable artificial esophagus

ASJC Scopus subject areas

  • Biomedical Engineering
  • Bioengineering

Cite this

Taira, Y., Kamiya, K., Shiraishi, Y., Miura, H., Shiga, T., Hashem, M. O., ... Yambe, T. (2014). Achievement of peristaltic design in the artificial esophagus based on esophageal characteristic analysis of goats’ specimen. In The 15th International Conference on Biomedical Engineering, ICBME 2013 (Vol. 43, pp. 372-374). Springer Verlag. https://doi.org/10.1007/978-3-319-02913-9_95

Achievement of peristaltic design in the artificial esophagus based on esophageal characteristic analysis of goats’ specimen. / Taira, Yasunori; Kamiya, K.; Shiraishi, Y.; Miura, H.; Shiga, T.; Hashem, M. O.; Yamada, A.; Tsuboko, Yusuke; Ito, T.; Sano, K.; Homma, D.; Yambe, T.

The 15th International Conference on Biomedical Engineering, ICBME 2013. Vol. 43 Springer Verlag, 2014. p. 372-374.

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

Taira, Y, Kamiya, K, Shiraishi, Y, Miura, H, Shiga, T, Hashem, MO, Yamada, A, Tsuboko, Y, Ito, T, Sano, K, Homma, D & Yambe, T 2014, Achievement of peristaltic design in the artificial esophagus based on esophageal characteristic analysis of goats’ specimen. in The 15th International Conference on Biomedical Engineering, ICBME 2013. vol. 43, Springer Verlag, pp. 372-374, 15th International Conference on Biomedical Engineering, ICBME 2013, Singapore, Singapore, 13/12/4. https://doi.org/10.1007/978-3-319-02913-9_95
Taira Y, Kamiya K, Shiraishi Y, Miura H, Shiga T, Hashem MO et al. Achievement of peristaltic design in the artificial esophagus based on esophageal characteristic analysis of goats’ specimen. In The 15th International Conference on Biomedical Engineering, ICBME 2013. Vol. 43. Springer Verlag. 2014. p. 372-374 https://doi.org/10.1007/978-3-319-02913-9_95
Taira, Yasunori ; Kamiya, K. ; Shiraishi, Y. ; Miura, H. ; Shiga, T. ; Hashem, M. O. ; Yamada, A. ; Tsuboko, Yusuke ; Ito, T. ; Sano, K. ; Homma, D. ; Yambe, T. / Achievement of peristaltic design in the artificial esophagus based on esophageal characteristic analysis of goats’ specimen. The 15th International Conference on Biomedical Engineering, ICBME 2013. Vol. 43 Springer Verlag, 2014. pp. 372-374
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