They are intended for use in introduction of interventional or diagnostic devices into the neurovascular and peripheral vascular system.

Microcatheter is used to inject diagnostic agents (such as contrast agents), therapeutic agents (such as pharmaceutical preparations, embolic materials), and support appropriate guidewire into the peripheral or coronary vasculature

MicroCatheter  provide a supportive passage for delivery of diagnostic and treatment devices or substances through tortuous lesion in peripheral vasculature.