Examination of natural esophageal mechanical properties for the design of an artificial esophagus

Yasunori Taira, Kurodo Kamiya, Yasuyuki Shiraishi, Hidekazu Miura, Mohamed Omran Hashem, Akihiro Yamada, Yusuke Tsuboko, Kyosuke Sano, Dai Homma, Tomoyuki Yammbe

Research output: Contribution to journalArticle

Abstract

In order to promote peristaltic function in the patients with the end stage of esophageal cancer, we have been developing an implantable artificial esophagus. Surgical treatments, such as gastroesophagostomy, are applied for alternative reconstruction in the patients, however, the peristaltic motion will be eliminated. In this study, we focused on the distributed function in the native esophagus and examined stress-strain characteristics from proximal to distal portion using freshly extracted goat’s esophagus. Prior to the measurement, we developed a new tension test apparatus. As a result, we could evaluate the circumferential esophageal characteristic variations. Then it was suggested that the circumferential stress analysis might be useful for more sophisticated design of artificial esophageal specifications, which would be consistent with the physiological demand as well as the passive structural effects.

Original languageEnglish
Pages (from-to)O-557-O-558
JournalTransactions of Japanese Society for Medical and Biological Engineering
Volume52
DOIs
Publication statusPublished - 2014 Aug 17
Externally publishedYes

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Mechanical properties
Stress analysis
Specifications

Keywords

  • Artificial esophagus
  • Esophageal elastic property
  • Goat experiment
  • Stress-strain test

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Examination of natural esophageal mechanical properties for the design of an artificial esophagus. / Taira, Yasunori; Kamiya, Kurodo; Shiraishi, Yasuyuki; Miura, Hidekazu; Hashem, Mohamed Omran; Yamada, Akihiro; Tsuboko, Yusuke; Sano, Kyosuke; Homma, Dai; Yammbe, Tomoyuki.

In: Transactions of Japanese Society for Medical and Biological Engineering, Vol. 52, 17.08.2014, p. O-557-O-558.

Research output: Contribution to journalArticle

Taira, Yasunori ; Kamiya, Kurodo ; Shiraishi, Yasuyuki ; Miura, Hidekazu ; Hashem, Mohamed Omran ; Yamada, Akihiro ; Tsuboko, Yusuke ; Sano, Kyosuke ; Homma, Dai ; Yammbe, Tomoyuki. / Examination of natural esophageal mechanical properties for the design of an artificial esophagus. In: Transactions of Japanese Society for Medical and Biological Engineering. 2014 ; Vol. 52. pp. O-557-O-558.
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