Existing ESWL is lack of an automatic method to detect the position of kidney stone, so the shock wave miss-shot often happens.This situation often causes damage in human body.

• 然而，现行的震波碎石治疗由于缺乏一自动侦测肾结石位置的机制，使得震波常未准确聚焦在结石位置，不但降低治疗效率，更会对人体组织产生不可忽视的伤害。