In vitro performance of the Vortex Intelligent Stone Optimized Removal (VISOR) system versus the flexible and navigable suction ureteral access sheath (FANS) on stone clearance efficiency and intrarenal pressure control - Takeaways - MDSpire
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Comparative Evaluation of the Vortex Intelligent Stone Optimized Removal (VISOR) System and the Flexible Navigable Suction Ureteral Access Sheath (FANS) for Stone Clearance and Intrarenal Pressure Management in vitro

  • By

  • Wenjun Gao

  • Li Fang

  • Jia-Lun Kwok

  • Baiyang Song

  • Steffi Kar Kei Yuen

  • Vineet Gauhar

  • Yue Cheng

  • Bohan Wang

  • September 17, 2026

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  • 1

    Kidney stone disease affects 5-10% of individuals, with a 50% recurrence rate within 5 years.

  • 2

    The VISOR system integrates a dual-channel ureteroscope for concurrent irrigation and suction, enhancing stone clearance efficiency.

  • 3

    The study compared the VISOR system's performance against the FANS approach using a 3D-printed renal model.

  • 4

    Primary outcomes included single-session stone clearance, operative time, total laser energy use, and removed stone mass.

  • 5

    The VISOR system features automated intrarenal pressure monitoring to potentially reduce complications during procedures.

Original Source(s)

In vitro performance of the Vortex Intelligent Stone Optimized Removal (VISOR) system versus the flexible and navigable suction ureteral access sheath (FANS) on stone clearance efficiency and intrarenal pressure control

  • by Wenjun Gao, Li Fang, Jia-Lun Kwok, Baiyang Song, Steffi Kar Kei Yuen, Vineet Gauhar, Yue Cheng, Bohan Wang

  • September 17, 2026

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