Artificial SMA valve for treatment of urinary incontinence: Upgrading of valve and introduction of transcutaneous transformer

M. Tanaka, K. Hirano, H. Goto, T. Namima, K. Uchi, Z. W. Jiang, H. Matsuki, Y. Tanahashi, S. Orikasa, S. Chonan

研究成果: Article査読

13 被引用数 (Scopus)

抄録

This paper is concerned with the development of an artificial urethral valve driven by shape memory alloy actuators, which is attached onto the urethra of a urinary incontinence sufferer for treating the involuntary micturition. Three types of compact cylindrical valves are assembled and their opening and closing functions are examined experimentally. The updated valve is heated and opened by using the transcutaneous energy transformer consisting of a pair of flexible spiral-formed copper wire coils. The experiment using the canine urinary canal verifies that the total system of the valve and the transformer works well as an artificial sphictor muscle and controls the urinary flow through the canal appropriately.

本文言語English
ページ(範囲)97-112
ページ数16
ジャーナルBio-medical materials and engineering
9
2
出版ステータスPublished - 1999

ASJC Scopus subject areas

  • 生体材料
  • 生体医工学

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