The Full-Step Nephrostomy Set (PCN) is an advanced medical device designed for direct drainage of urine from the kidney to outside the body in patients with urinary tract obstruction or injury. This full-step set includes all components required for accurate and safe nephrostomy procedures, including a needle, guidewire, dilator, and nephrostomy catheter. Its high-quality materials and ergonomic design ensure smooth passage with minimal trauma to the kidney and urinary tract tissues, reducing the risk of infection and other complications. The Full-Step Nephrostomy Set is supplied sterile and provides safe and effective urological care in various clinical settings.