Infusion device with preformed shape

摘要: An infusion guidewire or catheter for introduction through a selected path in patient's vascular system to site blood vessel and infusing drug agent into the vessel. elongated tubular body extends between proximal distal end having an device lumen (16) formed therein extending plurality of ports (18) segment (26) body. The is pre-biased assume configuration when positioned that tends present port toward wall low flow rate zone defining generally centrally disposed perfusion perfusing therethrough. A core wire (30) inserted said from changing allow advancement desired allowing on withdrawal (26).