Ultra-Catch-Four-Wire No-Tip Nitinol Basket The simple four-wire basket design allows for easy capture and release of stones. The no-tip design with round wires is safe for intrarenal use and minimizes tissue trauma during manipulation. The torque-responsive shaft and ergonomic handle provide the control and security to ensure safe and effective stone removal. Easy-grip gel-like handle for outstanding ergonomics and ease of use. Rotation wheel allows for single-handed operation – not seen before in stone retrieval baskets. Highly durable twisted-wire cage design maintains its shape and form even under extreme duress. Atraumatic distal tip designed for flexible ureteroscopy.