The Application segment of the Coaxial Microcatheter System market is defined by the clinical procedures in which the device is deployed. Primary applications include neurovascular interventions, peripheral vascular procedures, and cardiac interventions. Neurovascular use, accounting for roughly 45% of market revenue, involves aneurysm coiling, stroke thrombectomy, and intracranial flow‑diversion, where the coaxial architecture enables precise navigation through tortuous cerebral vessels. Peripheral vascular applications, representing about 35% of the market, support peripheral artery disease treatment, lower‑extremity revascularization, and embolization of arteriovenous malformations, leveraging the system’s ability to deliver therapeutic agents over extended lengths. Cardiac interventions, contributing an estimated 20%, encompass coronary artery disease management, including chronic total occlusion recanalization and drug‑eluting balloon delivery. Each application category drives distinct demand patterns, regulatory pathways, and reimbursement structures, collectively shaping the overall market size. Accurate Coaxial Microcatheter System segmentation by application is essential for forecasting growth, allocating R&D resources, and aligning commercial strategies with clinical adoption trends.