Artificial urethral valve driven by SMA actuators with transcutaneous energy transmission system

Mami Tanaka; Kazuhiro Abe; Feng Wang; Haruo Nakagawa; Yoichi Arai; Yoshikatsu Tanahashi; Seiji Chonan

doi:10.3233/jae-2003-271

Artificial urethral valve driven by SMA actuators with transcutaneous energy transmission system

Mami Tanaka, Kazuhiro Abe, Feng Wang, Haruo Nakagawa, Yoichi Arai, Yoshikatsu Tanahashi, Seiji Chonan

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

This paper presents the development of a mechanical SMA urethral valve driven by a portable transcutaneous energy transmission system, which is powered by batteries. Structure of the valve was improved by introducing a bite mechanism in order to prevent the pinch of urethra by the valve. The cycling characteristics and energy transmission efficiency were examined by laboratory tests. Experimental results show that the stable operation can be obtained by introducing a voltage regulating circuit to the energy transmission system and utilizing the sinusoidal oscillation in the energy transmission system can enhance the transmission efficiency. Furthermore, the function of the valve system was tested by the vitro and vivo animal experiments.

Original language	English
Pages (from-to)	23-30
Number of pages	8
Journal	International Journal of Applied Electromagnetics and Mechanics
Volume	18
Issue number	1-3
DOIs	https://doi.org/10.3233/jae-2003-271
Publication status	Published - 2003
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.3233/jae-2003-271

Cite this

Artificial urethral valve driven by SMA actuators with transcutaneous energy transmission system. / Tanaka, Mami; Abe, Kazuhiro; Wang, Feng; Nakagawa, Haruo; Arai, Yoichi; Tanahashi, Yoshikatsu; Chonan, Seiji.

In: International Journal of Applied Electromagnetics and Mechanics, Vol. 18, No. 1-3, 2003, p. 23-30.

Research output: Contribution to journal › Article › peer-review

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AU - Tanahashi, Yoshikatsu

AU - Chonan, Seiji

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AB - This paper presents the development of a mechanical SMA urethral valve driven by a portable transcutaneous energy transmission system, which is powered by batteries. Structure of the valve was improved by introducing a bite mechanism in order to prevent the pinch of urethra by the valve. The cycling characteristics and energy transmission efficiency were examined by laboratory tests. Experimental results show that the stable operation can be obtained by introducing a voltage regulating circuit to the energy transmission system and utilizing the sinusoidal oscillation in the energy transmission system can enhance the transmission efficiency. Furthermore, the function of the valve system was tested by the vitro and vivo animal experiments.

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Artificial urethral valve driven by SMA actuators with transcutaneous energy transmission system

Abstract

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