a percutaneous tube assembly is provided for performing minimally invasive surgery , the system comprising a percutaneous tube comprising a translucent main body ; an external attachment fixture attached to the main body ; an access channel longitudinally bored through the main body ; an internal attachment channel longitudinally bored through the main body , wherein the internal attachment channel comprises a partially smooth inner surface adjacent to a partially rough inner surface ; and an internal attachment , mating with the internal attachment channel .