Medical apparatus in the nature of a medical workstation comprised primarily of computer hardware, computer operating software, and a LCD screen display, and also including electronic nerve stimulators for spinal cord and nerve detection and surveillance, sold as a unit, used primarily for gathering and displaying patient image data for use during surgical procedures; Medical apparatus in the nature of a medical workstation comprised primarily of computer hardware, software, and a LCD screen display, and also including electronic nerve stimulators for spinal cord and nerve detection and surveillance, used primarily for gathering and displaying patient image data for use during surgical procedures, for use in the fields of spinal cord and nerve detection and surveillance, surgical planning, and surgical navigation during surgical procedures; Medical apparatus in the nature of a medical workstation comprised primarily of computer hardware, computer operating software, a LCD screen display, optical cameras, and also including optical navigation sensors for navigation in the nature of surgical instruments being active and passive markers affixed to the proximal end of a surgical tool for navigation purposes, and also including electronic nerve stimulators for spinal cord and nerve detection and surveillance, sold as a unit, used primarily for gathering and displaying patient image data for use during surgical procedures, for use in the fields of spinal cord and nerve detection and surveillance, surgical planning, and surgical navigation during surgical procedures