The further development of the active urine collection device: a novel continence management system

Tinnion, E., Jowitt, F., Clarke-O'Neill, S., Cottenden, A.M., Fader, M. and Sutherland, I. (2003) The further development of the active urine collection device: a novel continence management system. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 217 (4), 291-296. (doi:10.1243/095441103322060749).

Abstract

Continence difficulties affect the lives of a substantial minority of the population. Women are far more likely than men to be affected by urinary incontinence but the range of management options for them is limited. There has been considerable interest in developing an external urine collection system for women but without success to date. This paper describes the development and preliminary clinical testing of an active urine collection device (AUCD), which could provide a solution for sufferers. The device uses stored vacuum, protected by a high bubble point filter, to remove urine as quickly as it is produced. This allows a small battery-operated pump to provide the required vacuum, enabling the device to be portable.
Two different types of non-invasive patient/device interface were developed, and tested by volunteers: urinal and small pad. The slimline urinal was popular with users although liquid noise was a problem. The pad interface was successful on occasions but further work is necessary to produce a reliable pad.
This study has successfully demonstrated that a prototype AUCD liquid handling system can remove urine at clinically relevant flowrates. While further development is required, volunteer tests have shown that the AUCD could be a useful advance in continence management.

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