Limitations
pain
This study had some limitations. First, the sample size was too small to draw. definitive conclusions. Thus, further studies with a larger number of participants are required to confirm our findings. Second, we did not use a clamping device developed in Japan. In hindsight, a device developed in Japan and adapted to the size of the Japanese population should have been used. Third, we did not perform urodynamic studies or storage function tests using a clamp device on any patient. Fourth, the evaluation of discomfort and pain is important for penile clamp devices because the structure of the device may cause damage to the skin tissue and adipose tissue [