Surgical tool for positioning endoscopes and other surgical instruments utilized in the performance of laparoscopic and other surgery, and parts therefore, namely-- motorized and non-motorized trocars and mechanisms to facilitate entry of minimally invasive surgical tools into a body, attachment clamps and mechanisms, support arms, foot and hand controls, drive gears and drive mechanisms, power supplies, wire harnesses, motors and motor assemblies, housings and housing assemblies, all for use...