The various embodiments disclosed herein relate to percutaneous interface lines and related methods for implanting such lines. Each percutaneous interface line has an internal component coupleable to a percutaneous component with an internal connector. The percutaneous component can have a Y-shaped end having two arms, one arm having a lumen and another arm having at least one wire. The methods for implanting a percutaneous interface line include the use of a tunneling tool having a flexible rod and a replaceable dilator tip.
