The invention discloses a pressure lithecbole, includes a base having a circular arc concave focusing ultrasonic probe, which is arranged on the base of circular arc concave focusing center, the water sac is provided with a row of stone above the base, the device also includes one or more of the ultrasonic transducer, ultrasonic probe and ultrasonic transducer focus axis extension line the ultrasonic energy of one or more ultrasonic transducers were focused on a focusing area, so that the adjustment of water bag filling degree, will focus on the stone positioning in ultrasonic transducer. The utility model can solve the problems of residual stone and stone removing after extracorporeal lithotripsy and minimally invasive surgery, especially solving the problem of residual stones and stones removing in the renal lower calyx.
【技术实现步骤摘要】
【技术保护点】
１．一种声压排石机，包括具有圆弧聚焦凹面的基座，设于基座圆弧聚焦凹面中心的Ｂ超探头，基座上方设有水囊，其特征在于：所述的声压排石机还包括一个或一个以上的超声换能器，超声换能器的焦点与Ｂ超探头中轴延线重合，一个或一个以上的超声换能器的超声能量均集中于一个聚焦区，以使得调整水囊的充盈度，将结石定位在超声换能器焦点上。
【技术特征摘要】
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