Software for use in image guided surgery; computer software for integrating views of a patient with the tracked position of tools or instruments for use in computer assisted surgery; computer software for integrating representations of application tools and instruments with images of patients obtained by imaging modalities including Computed Tomography (CT), Magnetic Resonant Imaging (MR), Single Photon Emission Computed Tomography (SPECT) and Positron Emission Tomography (PET); computer hardware for medical use; computer hardware; surgery planning software; surgery planning software for use in image guided surgery; tool identification software used for use in image guided surgery; navigation software for image guided surgery; computer workstations comprising computer hardware and software for image guided surgery, spatial position sensors, tool interface units for tracking tools, universal handles, monitors and cart, and, application tools and instruments and component parts therefor for tracking surgical instrument location used for image guided surgery; tool offset calibrators; magnetic tool offset calibrators; distortion measurement devices for measuring distortions in a generated electromagnetic field; footswitches, namely, a computer input device triggered by a foot; computer input devices; optical tool offset calibrators

Medical devices, namely, registration and automatic registration devices for image guided surgery; tracking devices for medical devices to track the position and/or orientation of medical devices during image guided surgery; telemetry devices for medical applications; catheters; endoscopes; flexible endoscopes; bronchoscopes; tracked endoscopes; tracked flexible endoscopes; tracked bronchoscopes; tracked catheters; introducers; surgical instruments and apparatus, namely, needles, tracked needles, stylettes, tracked stylettes, bone screws, tracked bone screws, stylette pairs, cannula pairs, tracked cannula pairs, needle device introducers, tracked vertebroplasty needles, tracked needle device introducers, needle introducers, tracked needle introducers, biopsy needle guns, tracked biopsy needle guns, tracked k-wires, k-wires, bone wires, tracked bone screws, tracked multisensor guidewires, guidewires, tracked single sensor guidewires, vertebroplasty needles, aspiration needles, tracked aspiration needles, trackers for use in image guided surgery, cannulas, tracked cannulas; medical ultrasound equipment, namely, laparoscope ultrasound trackers, tracked laparoscope ultrasound, tracked ultrasound transducers, positioning aids for use in ultrasound imagery, transcutaneous ultrasound trackers, endorectal ultrasound trackers, ultrasound tracker calibrators; fluoroscope tracker and local calibrator therefor; tracked fluoroscope; fluoroscope tracker and integrated calibrator therefor; medical probes, namely, disposable button probes, tracked disposable button probes, reusable probes, tracked reusable probes; image guided surgery equipment, namely, universal adaptor for medical devices, disposable dynamic reference patches, skin patches for referencing, locatable guides, tracked locatable guides, reusable dynamic reference frames, steerable locatable guides, tracked steerable locatable guides, tracked clamps, tracked cutting devices, tracked shunts and introducers, tracked grasper, tracked brush, precision spatial measurement devices, tracked medical instrument adaptors, tracked positioning aids; steerable catheters; tracked steerable catheters; brush for use with the aforesaid metrological instruments; clamps for use with the aforesaid metrological instruments; cutters; scalpels; tracked scalpels; stents; tracked stents; positioning aids for use with the aforementioned metrological instruments; shunts and introducers; grasper; all being medical apparatus and instruments; image guided surgery systems, sold as a unit, namely, hardware and software and application tools and instruments and component parts therefor for tracking surgical instrument location; computer assisted surgery systems, sold as a unit, consisting primarily of computer hardware and software for image guided surgery, spatial position sensors, tool interface units for tracking tools, universal handles, monitors and cart; computer assisted image guided surgery systems, comprised of computer hardware and software for image guided surgery, spatial position sensors, tool interface units for tracking tools, universal handles, monitors and cart, and, application tools and instruments and component parts therefor for tracking surgical instrument location for medical use; computer assisted image guided surgery apparatus for using pre-operative and intra-operative images; computer assisted guided surgery system consisting of computer hardware and software for image guided surgery, spatial position sensors, tool interface units for tracking tools, universal handles, monitors and cart, and application tools and instruments and component parts therefor for tracking surgical instrument location, sold as a unit, for providing 3-dimensional visualization and navigation of instruments; surgical apparatus sold as a unit, namely, computer assisted surgery system consisting of computer hardware and software for image guided surgery, spatial position sensors, tool interface units for tracking tools, universal handles, monitors and cart, and, application tools and instruments and component parts therefor for tracking surgical instrument location, sold as a unit, for providing 3-dimensional visualization and navigation instruments; surgical apparatus sold as a unit, namely, image guided surgery system consisting of computer hardware and software for image guided surgery, spatial position sensors, tool interface units for tracking tools, universal handles, monitors and cart, and, application tools and instruments and component parts therefor for tracking surgical instrument location; surgical apparatus sold as a unit, namely, mobile system cart for use in image guided surgery, all being computer systems for medical use; surgical apparatus sold as a unit, namely, mobile system cart having electro-magnetic field generator, computer workstation and instrument connection unit; surgical apparatus sold as a unit, namely, image guided surgery cart having electromagnetic field generator, computer work station and connections for medical instruments and devices; surgical apparatus, namely, image guided surgical workstation; metrological instruments and equipment for image guided surgery to measure spatial location, orientation, temperature, impedance and photo spectrometry of surgical instruments or patient tissue

Retail store services, mail order services, on-line retail store services featuring precision spatial measurement devices, metrological instruments, metrological equipment, metrological devices, image guided surgery systems, computer assisted surgery systems, computer software and hardware for image guided surgery systems, computer hardware and software for computer assisted surgery systems, medical instruments and apparatuses, and medical devices; manufacturers' representatives in the field of precision spatial measurement devices, metrological instruments, metrological equipment, metrological devices, image guided surgery systems, computer assisted surgery systems, computer software and hardware for image guided surgery systems, computer hardware and software for computer assisted surgery systems, medical instruments and apparatuses, and medical devices; distributorship services in the field of precision spatial measurement devices, metrological instruments, metrological equipment, metrological devices, image guided surgery systems, computer assisted surgery systems, computer software and hardware for image guided surgery systems, computer hardware and software for computer assisted surgery systems, medical instruments and apparatuses, and medical devices; computerized online ordering services in the field of precision spatial measurement devices, metrological instruments, metrological equipment, metrological devices, image guided surgery systems, computer assisted surgery systems, computer software and hardware for image guided surgery systems, computer hardware and software for computer assisted surgery systems, medical instruments and apparatuses, and medical devices

Servicing of computer assisted surgery systems and tools; servicing of image guided surgery systems and tools; maintenance of computer assisted surgery systems and tools; maintenance of image guided surgery systems and tools