Peripheral Vascular Micro Guidewire (0.010 - 0.021) segmentation by application reveals two dominant clusters: diagnostic and therapeutic use. Diagnostic applications, accounting for roughly 35 % of total volume, involve guidewire navigation during angiographic imaging of lower‑extremity arteries, where precise positioning enables high‑resolution contrast delivery. Therapeutic applications dominate the market at about 65 %, encompassing endovascular interventions such as peripheral arterial disease (PAD) recanalisation, chronic total occlusion (CTO) crossing, and adjunctive support for stent or atherectomy deployment. Within therapeutic use, the guidewire’s low‑profile diameter and enhanced torque response are critical for navigating tortuous femoropopliteal and tibial vessels, directly influencing procedure success rates and, consequently, market revenue. The relative weight of each application segment reflects procedural frequency and reimbursement structures, making therapeutic demand the primary driver of overall market size. This analytical breakdown underpins the broader market taxonomy for the micro‑guidewire segment. Emerging imaging‑guided platforms and hybrid procedures are expected to modestly increase the diagnostic share, though therapeutic demand will remain pre‑eminent through 2030.