Allows ultrasound guidance with four central IVs without tubes, the IV is shaped by the material itself. Loaded with blood simile, it allows to extract and inject liquid. Compact, does not degrade over time, does not lose volume. Two superficial vias equipped with double luer-lock outlets with anti-reflux plugs, and the two deeper vias without anti-reflux plugs. IV diameters of 8-10 mm, placed at 15 and 35 mm from the top.
Practices to be performed:
Intravenous cannulation.
Blood sampling.
Ultrasound-guided puncture.
Placement of catheters.