PMID: 9184901Jun 1, 1997Paper

Application of hydrogen absorbing alloys to medical and rehabilitation equipment

IEEE Transactions on Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society
Y WakisakaT Ifukube

Abstract

As power sources for rehabilitation equipment, electric, hydraulic, and pneumatic actuators have been used. However a more human-sized and higher powered actuator that can reduce the equipment size is desired. A new metal hydride (MH) actuator that uses the reversible reaction between the heat energy and mechanical energy of a hydrogen absorbing alloy has recently attracted much attention. The MH actuator is characterized by its small size, low weight, noiseless operation and a compliance similar to that of the human elbow joint. Therefore, the MH actuator has the characteristic of being light and easy to use and so is suitable for use in medical and rehabilitation applications. Some lifting devices using this actuator have already been developed and are being used for the care of the aged and disabled. The characteristics of the MH actuator are presented and then some applications are introduced in this paper. It is our opinion that in our aging society the MH actuator will play an important role in the development of medical and rehabilitation equipment.

Citations

May 7, 2008·Biomedical Materials·Marie-Charlotte CrevierStéphane Bédard
Apr 25, 2018·Technology and Health Care : Official Journal of the European Society for Engineering and Medicine·Kyong KimChang Ho Yu

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