Steerable versus Conventional flexible and navigable suction ureteral access sheath (FANS) flexible Ureteroscopy for Lower Pole stones Treatment: study protocol for a multicentre, randomised superiority trial (SCULPT trial)

Steffi Kar Kei Yuen Steffi Shusheng Liu Vineet Gauhar Haixing Mai Weiyang He Hao Hu Changxing Ke Yinbo Dai Lei Shan Yaodong Jiang Jingdong Yuan Zhengguo Cao Li Zuo Chunting Yang Bing Bai Xiaofang Bi Hengtai Zhao Ming Xi Ning Ding Shuo Deng Shan Tang Jianwen Zeng Jingzeng Du Wenqi Wu Jinxiang Ma Wen Zhong Zhijian Zhao Yongda Liu Jean de la Rosette Guohua Zeng Wei Zhu Steerable versus Conventional flexible and navigable suction ureteral access sheath (FANS) flexible Ureteroscopy for Lower Pole stones Treatment: study protocol for a multicentre, randomised superiority trial (SCULPT trial) Scopus Web of Science Белый список 2025

2026-05-02

10.1136/bmjopen-2025-103866 BMJ OPEN Introduction Flexible ureteroscopy has advanced modern stone management; however, lower pole renal stones remain a challenge due to suboptimal ureteroscope deflection and navigation using conventional flexible and navigable suction ureteral access sheaths (FANS). The SCULPT trial is designed to assess whether the novel steerable FANS—which enables active controlled deflection—can improve the success rate of lower pole access during flexible ureteroscopy.

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