Artificial Urethral Valve Using SMA Actuators (Fundamental Principle of Valve and the Verification of Opening/Closing Functions)

Seiji Chonan; Seiichi Orikasa; Zhong Wei Jiang; Takasige Namima; Mami Tanaka; Keiichiro Uchi; Jun Tanikawa; Kentaro Hirano

doi:10.1299/kikaic.64.1229

Artificial Urethral Valve Using SMA Actuators (Fundamental Principle of Valve and the Verification of Opening/Closing Functions)

Seiji Chonan, Seiichi Orikasa, Zhong Wei Jiang, Takasige Namima, Mami Tanaka, Keiichiro Uchi, Jun Tanikawa, Kentaro Hirano

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

Abstract

This paper is concerned with the development of an artificial urethral valve for treating urinary incontinence, which is driven by shape memory alloy actuators. Two types of valves, one with hand-drum form and the other with cylindrical configuration, are assembled and their opening and closing functions are examined experimentally by using the urethrae of male dogs. It is found that the cylindrical is better than the hand-drum form from the point of contact pressure with the urethra. A metallographical-mechanical model of the SMA plate is constructed and applied to the analysis of opening/closing functions of the valve. It is shown that the presented model well describes the motor functions of the artificial urethral valve.

Original language	English
Pages (from-to)	1229-1236
Number of pages	8
Journal	Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume	64
Issue number	620
DOIs	https://doi.org/10.1299/kikaic.64.1229
Publication status	Published - 1998
Externally published	Yes

Keywords

Analytical Model
Animal Experiment
Artificial Urethral Valve
Lower Urinary Tract
Shape Memory Alloy
Urinary Incontinence

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

Access to Document

10.1299/kikaic.64.1229

Cite this

Chonan, S., Orikasa, S., Jiang, Z. W., Namima, T., Tanaka, M., Uchi, K., Tanikawa, J., & Hirano, K. (1998). Artificial Urethral Valve Using SMA Actuators (Fundamental Principle of Valve and the Verification of Opening/Closing Functions). Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, 64(620), 1229-1236. https://doi.org/10.1299/kikaic.64.1229

Artificial Urethral Valve Using SMA Actuators (Fundamental Principle of Valve and the Verification of Opening/Closing Functions). / Chonan, Seiji; Orikasa, Seiichi; Jiang, Zhong Wei et al.

In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 64, No. 620, 1998, p. 1229-1236.

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

Chonan, S, Orikasa, S, Jiang, ZW, Namima, T, Tanaka, M, Uchi, K, Tanikawa, J & Hirano, K 1998, 'Artificial Urethral Valve Using SMA Actuators (Fundamental Principle of Valve and the Verification of Opening/Closing Functions)', Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, vol. 64, no. 620, pp. 1229-1236. https://doi.org/10.1299/kikaic.64.1229

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Artificial Urethral Valve Using SMA Actuators (Fundamental Principle of Valve and the Verification of Opening/Closing Functions)

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Keywords

ASJC Scopus subject areas

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