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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7139601 | Surgical navigation systems including reference and localization frames A system for use during a medical or surgical procedure on a body. The system generates an image representing the position of one or more body elements during the procedure using scans generated by a scanner prior or during the procedure. The image data set has refe... | 11/21/2006 |
| 6348058 | Image guided spinal surgery guide, system, and method for use thereof A guide is disclosed for use in performing spinal surgery to prepare across a spinal disc and adjacent vertebrae an implantation space. The guide is associated with a computer controlled surgical navigation system employing an energy-detecting array to tr... | 02/19/2002 |
| 6236875 | Surgical navigation systems including reference and localization frames A system for use during a medical or surgical procedure on a body. The system generates an image representing the position one or more body elements during the procedure using scans generated by a scanner prior or during the procedure. The image data set ... | 05/22/2001 |
| 6226548 | Percutaneous registration apparatus and method for use in computer-assisted surgical navigation An apparatus and procedures for percutaneous placement of surgical implants and instruments such as, for example, screws, rods, wires and plates into various body parts using image guided surgery. The invention includes an apparatus for use with a surgica... | 05/01/2001 |
| 6190395 | Image guided universal instrument adapter and method for use with computer-assisted image guided surgery An apparatus is disclosed for use with a surgical navigation system. The apparatus comprises a universal instrument attachment device. The universal instrument attachment device preferably includes a tracking body onto which a position tracking array is f... | 02/20/2001 |
| 6167145 | Bone navigation system A system for use during a medical or surgical procedure on a body. The system generates a display representing the position of two or more body elements during the procedure based on an image data set generated by a scanner prior to the procedure. The ima... | 12/26/2000 |
| 6118845 | System and methods for the reduction and elimination of image artifacts in the calibration of X-ray imagers Image processing operations are used to improve images that include visual artifacts generated by calibration markers used in intrinsic calibration of an x-ray image. Artifacts introduced by opaque or semi-transparent calibration markers may be completely... | 09/12/2000 |
| 6021343 | Image guided awl/tap/screwdriver A trackable medical instrument for use in a computer assisted image guided medical and surgical navigation systems that generate images during medical and surgical procedures, includes a guide member having an emitter array for being tracked by the system... | 02/01/2000 |
