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Conf Proc IEEE Eng Med Biol Soc. 2004;2004:2774-6. doi: 10.1109/IEMBS.2004.1403793.

A study on implantable urination assist systems - development of a bladder compression system.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

Kazuo Kiguchi, Yoshihiko Sakamoto, Jiro Uozumi, Keiji Nakashima


  1. Graduate Sch. of Sci. & Eng., Saga Univ., Japan.

PMID: 17270852 DOI: 10.1109/IEMBS.2004.1403793


We propose an urination assist system implantable in a patient who has difficulty in urination caused by the neuropathic bladder in order to assist the urination. The proposed system assists the urination by directly pushing the bladder of the patient using shape memory alloys (SMA). Peltier elements are used to control the temperature in the system. The effectiveness of the proposed system is evaluated by experiment with a bladder model.

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