The CLI and PAD Treatment ecosystem comprises a tightly coupled supply chain that transforms raw inputs into clinically delivered therapies. Upstream activities involve raw material and component suppliers that furnish polymeric matrices, drug‑elution platforms, and catheter hardware. Midstream participants—including OEM manufacturers, technology firms developing drug‑elution technologies, system integrators that assemble and qualify complete delivery systems, and distributors that manage inventory and logistics—convert these inputs into market‑ready products. Downstream, hospitals, vascular clinics, and ambulatory surgery centers purchase and apply the devices to patients, while reimbursement agencies and clinical guideline bodies shape demand. Value is captured primarily through device sales, service contracts, and data‑driven outcome monitoring, with each tier adding cost and differentiation. Leasing arrangements and outcome‑based contracts further distribute revenue across manufacturers and service providers, while aggregated performance data feed back into R&D cycles.