Abstract：
In the extracorporeal shock wave lithotripsy for infants, we used a medical polymer gel pad to assist ultrasonic positioning, so that the ultrasonic probe could be far away from the shock wave energy field. Although not affecting the ultrasonic positioning and monitoring effect, we discussed the protective effect of this method on the ultrasonic probe. A retrospective analysis was made on 21 infants (0-3 years old) who received ESWL in our hospital from June 2021 to February 2023. After the stones were accurately located by B-ultrasound before surgery, a 4 * 5 * 10 cm medical polymer gel pad was placed between the skin and the ultrasonic probe to keep the ultrasonic probe away from the shock wave energy field. The B-ultrasonic wave source locked the target stone through the gel pad, and the lithotripter Dornier Compact Delta II was used for lithotripsy. The extracorporeal shock wave lithotripsy was completed under the whole process of B-ultrasonic monitoring. All patients completed the surgery under ultrasound monitoring, and there were no abnormalities in the ultrasound probe during the surgery. The average stone size was 0.60 ± 0.21 cm, the surgical time was 39.8 ± 13.8 min, and the total energy of lithotripsy was 7.41 ± 4.35 J. There were no obvious complications in all patients after the surgery. After 2 weeks of ultrasound examination, the success rate of lithotripsy in 21 patients reached 85.7%. We believe that the use of the gel pad increases the distance between the ultrasonic probe and the skin, leaving the probe away from the shock wave energy field, avoiding the damage of the shock wave source to the ultrasonic probe, and does not affect the monitoring effect of ultrasound on stones and the success rate of lithotripsy, which is worthy of further promotion in the field of children\'s urinary stones.
摘要：
在婴儿体外冲击波碎石术中，我们使用医用聚合物凝胶垫辅助超声定位，这样超声波探头就可以远离冲击波能量场。虽然不影响超声波定位和监测效果，讨论了该方法对超声探头的保护作用。回顾性分析2021年6月至2023年2月在我院接受ESWL治疗的21例婴儿（0-3岁）。术前B超准确定位结石后,将4*5*10cm医用聚合物凝胶垫放置在皮肤和超声探头之间,使超声探头远离冲击波能量场。B超声波源通过凝胶垫锁定目标结石，碎石机DornierCompactDeltaII用于碎石。在B超监测的全过程下完成体外冲击波碎石术。所有患者在超声监测下完成手术，手术期间超声探头没有异常。平均结石大小为0.60±0.21cm，手术时间为39.8±13.8min,碎石总能量为7.41±4.35J，所有患者术后均无明显并发症。经过2周的超声检查，21例患者碎石成功率达85.7%。我们认为凝胶垫的使用增加了超声波探头与皮肤之间的距离，使探测器远离冲击波能量场，避免冲击波源对超声探头的损坏，且不影响超声对结石的监测效果及碎石成功率,在儿童泌尿系结石领域值得进一步推广。
