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| Number | Title | Issue Date |
| 6603870 | Method and apparatus for visual servoing of a linear apparatus A method and system for visual servoing of a linear apparatus rotatable in a plane about a fixed point implements cross-ratios and provides alignment of the linear apparatus to the target in an image, such as a fluoroscope image in 3 iterations. The imagi... | 08/05/2003 |
| 6522720 | Method to measure the relative perfusion of the lungs The invention covers a method to determine the relative lung perfusion image with the fluoroscopic principle. Transmitted X-ray radiation through the lungs of the patient under examination is measured at least during one heart cycle. An image intensifier ... | 02/18/2003 |
| 6510237 | System for determining the concentration of a substance mixed with a fluorophor, its method of implementation The invention concerns a system, and its method of implementation, to determine the concentration of a substance mixed with a fluorophor and contained in one or more contacts of a matrix of contacts; it comprises: a microscope (1) associated with a magnifying ... | 01/21/2003 |
| 6490475 | Fluoroscopic tracking and visualization system A system employs a tracker and a set of substantially non-shadowing point markers, arranged in a fixed pattern or set in a fluoroscope calibration fixture that is imaged in each shot. The fixture is preferably affixed to the image detector of the fluorosc... | 12/03/2002 |
| 6449333 | Three-dimensional fluoroscopy and X-ray bulb for the same An object of the present invention is to provide a three-dimensional fluoroscopy for continuous stereoscopic observation of a human blood vessel by using a contrast medium, 3-D visualization in nondestructive inspection of materials, baggage check and so ... | 09/10/2002 |
| 6449502 | Bone measurement method and apparatus In a bone measurement method, an index value representing a condition of a structure of a bone tissue is acquired. Bone tissue pattern emphasis processing is carried out on a radiation image of an object, which contains at least the bone tissue, and in ac... | 09/10/2002 |
| 6385476 | Method and apparatus for intracardially surveying a condition of a chamber of a heart A condition, such as an electrical property, of a chamber of a heart is surveyed with a catheter having a condition sensor at its distal tip. A method for surveying the chamber includes the steps of acquiring a first image of the chamber containing topogr... | 05/07/2002 |
| 6332014 | Method of improving the quality of a fluoroscopic image A method for improving the quality of a fluoroscopic image where the image out of an image sequence of images which satisfies a predetermined minimum motion criterion is stored and this stored image is continuously displayed. The images may be acquired us... | 12/18/2001 |
| 6317481 | Stereo x-ray image processing A system, method, and computer-readable medium for capturing radiographic images and processing the captured images into stereo images. The images are captured using an X-ray imaging system that rotates freely about an anchor point and captures images of ... | 11/13/2001 |
| 6256372 | Apparatus and methods for stereo radiography A digital radiographic imaging system is described which includes an automatic X-ray exposure sequence during which two consecutive images of a target are obtained from two views separated by a translation of the X-ray emitter, wherein such translation is... | 07/03/2001 |
| 6256405 | Image forming apparatus An image forming apparatus includes image data memory for storing image data, an image displaying section for displaying an image on a CRT, a graphic data memory for storing graphic data corresponding to patterns for defining regions of interest in the im... | 07/03/2001 |
| 6249713 | Apparatus and method for automatically positioning a biopsy needle A computer-controlled method for automatically positioning a guide for a biopsy needle for its proper insertion into the body of a patient from a selected point on a surface of the body, so as to enter in a straight line passing through a designated targe... | 06/19/2001 |
| 6154517 | Fluorescent X-ray spectroscope Display is made of the spectrums of the fluorescent X-rays by using the ordinate axis as representing the square root of a fluorescent X-ray intensity and using the abscissa axis as representing the energy of the fluorescent X-rays.... | 11/28/2000 |
| 6118843 | Quantitative stereoscopic radiography method A method for stereoscopically displaying radiographic images of the internal structure of an object and determining the spatial coordinates of a selected feature image inside the object, including the steps of (a) producing a pair of left and right radiog... | 09/12/2000 |
| 6115449 | Apparatus for quantitative stereoscopic radiography Apparatus for stereoscopically displaying radiographic images of the internal structure of an object and determining the spatial coordinates of a defect image inside the object, comprising: (a) two image display devices; (b) a secondary platform to suppor... | 09/05/2000 |
| 6069932 | Apparatus and method for planning a stereotactic surgical procedure using coordinated fluoroscopy An apparatus and method is provided for coordinating two fluoroscope images, which permits accurate computer-based planning of the insertion point and angle of approach of a needle, drill, screw, nail, wire or other surgical instrumentation into the body ... | 05/30/2000 |
| 6005964 | Automatic machine vision microscope slide inspection system and method A system for automatically detecting the presence of contaminants in samples. The system includes a microscope, controllable stage positioner for holding slides under the microscope, a computer for controlling the stage positioner and a digital camera to ... | 12/21/1999 |
| 5951475 | Methods and apparatus for registering CT-scan data to multiple fluoroscopic images A method and system is disclosed for registering two dimensional fluoroscopic images with a three dimensional model of a surgical tissue of interest. The method includes steps of: (a) generating, from CT or MRI data, a three dimensional model of a surgica... | 09/14/1999 |
| 5799055 | Apparatus and method for planning a stereotactic surgical procedure using coordinated fluoroscopy An apparatus and method is provided for coordinating two fluoroscope images, which permits accurate computer-based planning of the insertion point and angle of approach of a needle, drill, screw, nail, wire or other surgical instrumentation into the body ... | 08/25/1998 |
| 5233639 | Stereoscopic fluoroscopy apparatus and method of producing stereoscopic X-ray images A stereoscopic fluoroscopy apparatus comprising an X-ray source means, a specimen to be X-rayed, an image intensifier unit means to produce images of the X-rayed specimen, recording means to record and output said images as image pairs, offset means to cr... | 08/03/1993 |
| 5163076 | X-ray image display apparatus According to the present invention, there is provided an X-ray image display apparatus to display an image of an object under test to which X-ray is irradiated comprising an image processor which the following functions: to form for right and left eyes a ... | 11/10/1992 |
| 5155750 | Stereoscopic radiographic inspection system An object (10) to be radiographically inspected is irradiated in a sequence of different positions with respect to an X-ray beam emitted by a single source (12). A single X-ray detector in an imaging system (13) produces a series of electronic signals cor... | 10/13/1992 |
| 5099859 | Method and apparatus for comparative analysis of videofluoroscopic joint motion Apparatus and method for generating successive video images of a moving bone of a subject. A fluoroscope generates a fluoroscopic image of the moving bone. A video camera detects the fluoroscopic image and converts the detected image into successive video... | 03/31/1992 |
| 5073914 | Stereoscopic x-ray apparatus A stereoscopic X-ray apparatus is provided in which X-rays are irradiated from the two foci of a stereoscopic X-ray tube to an object to be examined so as to obtain images of the object picked-up in two directions and which permits the object to be stereo... | 12/17/1991 |
| 4993404 | Fluoroscopy switching device An apparatus and method is disclosed for preventing accidental overradiation of a patient in surgical procedures involving both fluoroscopy and endoscopy. Video outputs from the fluoroscope and endoscope are connected to a switching device. The physician ... | 02/19/1991 |
| 4888794 | Method of generating an image of a layer of an object The invention relates to a method which enables spatial display in cases where X-ray images are formed from different perspectives which are situated far apart. To this end, from the single images a synthetic image of the examination zone is calculated fo... | 12/19/1989 |
| 4819255 | Stereo X-ray fluorography apparatus A stereo X-ray fluorography apparatus includes a stereo X-ray tube having right and left focal points for irradiating a subject, in alternate fashion, with X-rays, a television camera for picking-up right and left images, resulting from the X-rays emitted... | 04/04/1989 |
| 4769701 | Stereo X-ray installation An x-ray apparatus for generating an image of an examination subject, including an image pattern of an instrument, for the purpose of guiding the instrument, includes dual x-ray sources and a stereo viewer for generating a stereo image of the examination ... | 09/06/1988 |
| 4737972 | Stereoscopic fluoroscope arrangement A stereoscopic fluoroscope apparatus includes a pair of spaced x-ray tubes mounted on a support opposite a respective pair of x-ray image intensifiers having a pair of video cameras coupled thereto. The x-ray tubes and image intensifiers are positioned to... | 04/12/1988 |
| 4639867 | Digital fluoroscopy apparatus In a digital fluoroscopy apparatus, digital reference data is written in a given data position of digital image data where no medical information is contained. This digital reference data has contrast level information with respect to X-ray images of an o... | 01/27/1987 |
| 4544949 | X-Ray diagnostic apparatus and method It is desirable in a digital subtraction angiography to realize the stereoscopic X-ray image visualization of a blood vessel by means of an X-ray diagnostic apparatus. In accordance with the invention, the object such as blood vessels is projected by X-ra... | 10/01/1985 |
| 4434500 | Process for stereoscopic picture reproduction, in particular in respect of X-ray pictures A process for stereoscopic picture reproduction on an electronic picture screen of a prerecorded picture, and in particular an X-ray picture, is provided for achieving detail enhancement. The pre-recorded picture is scanned to generate an identical pair o... | 02/28/1984 |
| 4413352 | X-Ray stereoscopic cinematography apparatus An X-ray stereoscopic cinematography apparatus including an X-ray tube having at least a pair of focal spots from which X-rays are irradiated independently at an object to produce an X-ray image of an object under study, means for converting the X-ray ima... | 11/01/1983 |
| 4383328 | X-Ray stereoscopic cinematography apparatus An X-ray stereoscopic cinematography apparatus including an X-ray tube having at least a pair of focal spots from which X-rays are irradiated independently at an object under study to produce an X-ray image thereof, an image intensifier for converting the... | 05/10/1983 |
| 4214267 | Stereofluoroscopy system A stereofluoroscopy system has a source of radiation to radiate an object. The source may be one or two x-ray tubes. Conversion means receives radiation from the source and converts it into a composite video signal. The conversion means may include an ima... | 07/22/1980 |
