This book provides a comprehensive, image-rich guide to ultrasound-guided simplified intra-arterial embolization (called "Dochu" procedure), making it an essential resource not only for interventional radiologists, but also pain specialists, sports physicians, orthopedic surgeons, and  physicians for general practice. Unlike traditional catheter-based techniques, this innovative approach streamlines embolization, enhancing efficiency, accessibility, and patient comfort. By addressing the gap in standardized education, this book offers step-by-step procedural guidance, detailed case studies, and high-resolution imaging, enabling readers to master this technique with confidence. Whether you are an experienced practitioner or a newcomer to embolization, this resource bridges the knowledge divide, equipping you with cutting-edge insights and practical skills to revolutionize non-surgical pain treatment.