Development of an artificial urethral valve using SMA actuators

S. Chonan, Z. W. Jiang, J. Tani, S. Orikasa, Y. Tanahashi, T. Takagi, M. Tanaka, J. Tanikawa

研究成果: Article査読

48 被引用数 (Scopus)

抄録

The development of an artificial urethral valve for the treatment of urinary incontinence which occurs frequently in the aged is described. The prototype urethral valve is assembled in hand-drum form with four thin shape memory alloy (SMA) (nickel-titanium alloy) plates of 0.3 mm thickness. The shape memory effect in two directions is used to replace the urinary canal sphincter muscles and to control the canal opening and closing functions. The characteristic of the SMA is to assume the shape of a circular arc at normal temperatures and a flat shape at higher temperatures. Experiments have been conducted using a canine bladder and urinary canal.

本文言語English
論文番号004
ページ(範囲)410-414
ページ数5
ジャーナルSmart Materials and Structures
6
4
DOI
出版ステータスPublished - 1997 8

ASJC Scopus subject areas

  • Signal Processing
  • Civil and Structural Engineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering

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