Flexible Ureteroscope Stabilization Arm is a flexible holding arm with ergonomic handles that attaches to the CystoAssist® Mount Post. The Flexible Ureteroscope Stabilization Arm allows for clamping onto flexible ureteroscopes, ultrasound probes, renal sheaths etc. for hands-free stabilization during ureteroscopy - eliminating movement and fatigue. The Flexible Ureteroscope Stabilization Arm provides rigid holding strength and also allows for intra-operative adjustments as needed, quickly and easily.