The device combined needle and dilator for catheterization, central venous and arterial

摘要

"The device combined needle and dilator for catheterization, central venous and arterial blood.With the present invention refers to a device for arterial or central venous catheterization, disposable.Comprising a needle (a) connected to a piston (P) perforated in the axial direction to allow the passage of a Seldinger wire; inserted in a dilator (d) with a tubular container (I) at the tip.The container (I) is complete with a vacuum side (s),That communicates with the inner part of the piston (P) and the hole in the needle (a) to allow the positioning of the needle into the vein is checked.And where communication is ocludida when said piston (P) is recessed or partially withdrawn from the container (I).The device is also complete with a Seldinger wire (f) with a corresponding feed mechanism (FM).