[Comparison of the Accuracy of Measuring the Amount of Urine in the Bladder by Ultrasound Devices and Their Operability for the Bladder].

We investigated the accuracy and operability of two ultrasound devices for the bladder. The study included 232 adult patients who underwent surgery at our hospital. Before surgery, a nurse measured the amount of urine in the bladder using Lilium α-200® and Bladder Scan BVI 6100®.