A new method for measuring urine volume and flow rate during voiding is presented. The method is based on the determination of the time an ultrasonic pulse wave needs to travel from the bottom of a collecting vessel to the fluid/air surface and back. Results of calibration and some technical characteristics are compared with those of the DISA Mictiometer.

Mictiometer, Rotameter, Ultrasonic, Uroflowmetry, Volumeter
dx.doi.org/10.1159/000280183, hdl.handle.net/1765/107284
Urologia Internationalis
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Rollema, H.J. (H. J.). (1978). Ultrasonic volumetry, a new principle for uroflowmetry; comparison with the disa mictiometer. Urologia Internationalis, 33(1-3), 88–100. doi:10.1159/000280183