An Ostium comprehensive product line offering excellent transitions, smooth insertion, available with echogenic tip, used to introduce guide wires in the body by puncturing the femoral artery during Percutaneous Transluminal Coronary Angioplasty. Designed for anterior, single wall, arterial puncture, this device with its tapered luer hub allows for trouble free, trauma/discomfort free guidewire insertion by reducing total insertion and retraction forces, and reduces blood spillage