The Application dimension of Radiofrequency Ablation Catheter segmentation delineates market demand across distinct therapeutic areas. Cardiac arrhythmia procedures dominate, accounting for roughly 45% of total revenue, driven by the high incidence of atrial fibrillation and the established role of RF ablation in electrophysiology labs. Oncology represents the second largest slice at 30%, reflecting expanding use of RF catheters for tumor ablation in liver, kidney, and lung lesions, where minimally invasive options are gaining clinical acceptance. Neurology contributes about 15% of the market, primarily through treatment of movement disorders and pain syndromes where precise lesioning is required. Vascular applications, including peripheral artery disease and renal denervation, occupy an estimated 7% share, limited by procedural complexity and alternative energy sources. The residual 3% falls under Other indications such as gastro‑intestinal and endocrine interventions, which, while niche, provide incremental growth opportunities. Collectively, these application sub‑segments shape the overall market size by allocating capital, R&D focus, and adoption rates across the RF catheter ecosystem.