The Angiographic Entry Needles segmentation by application delineates three primary usage domains: Diagnostic Imaging, Interventional Radiology, and Cardiology. Diagnostic Imaging accounts for roughly 40 % of total demand, driven by routine cerebral and peripheral vascular studies that require precise arterial access with minimal trauma. Interventional Radiology follows with an estimated 35 % share, reflecting its role in minimally invasive therapies such as tumor embolization, aneurysm repair, and arteriovenous fistula creation, where needle reliability directly influences procedural success and patient outcomes. Cardiology, representing the remaining 25 %, is anchored in coronary and peripheral interventions, including chronic total occlusion recanalization and structural heart disease procedures, where needle design must accommodate high‑flow environments and complex catheter pathways. Collectively, these application segments shape the overall market size by allocating capital expenditure, research focus, and volume production according to the procedural frequency and clinical criticality of each domain.