Conduit (100) includes the lumen for having the catheter shaft of axial wall and longitudinally extending in axial wall. Lumen bounded on direction radially outward and radially inward. The lumen includes feeding partially (138) and the distinguished symbol (140) connecting with the feeding segment fluid flow. Lumen is configured as receiving contrast agent. The lumen can be formed by the channel (130) in the outer surface for the first axle (120) for being formed in catheter shaft and around the setting of the outer surface of first axle with the covering (115) for covering channel.
