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| Number | Title | Issue Date |
| 6122341 | System for determining target positions in the body observed in CT image data This invention relates to the quantitative determination of a target or volume in the living body relative to external apparatus based on CT (computer tomography) or other image data. The invention describes a means of taking CT image data of the anatomy ... | 09/19/2000 |
| 6106152 | X-ray exposure system and method for operating same An X-ray exposure apparatus has an x-ray radiator having an X-ray tube provided with collimators for the limitation of a radiated X-ray beam. The x-ray radiator can be displaced translationally and/or rotated angularly for the orientation in space of the ... | 08/22/2000 |
| 6097978 | Measurement confirmation devices and methods for fluoroscopically directed surgery The present invention provides methods and apparatus for measuring and/or marking the internal features of a patient body when those features are viewed under fluoroscopy or another medical imaging modality. Although suitable for the physiological measure... | 08/01/2000 |
| 6092928 | Apparatus and method to determine the relative position of a detector array and an x-ray tube focal spot An x-ray source (30) transmits a beam of x-rays through an examination region (E). A detector (28), in an initial spatial orientation relative to the source, receives the beam and generates a view of image data indicative of the intensity of the beam rece... | 07/25/2000 |
| 6081581 | X-ray illumination system and X-ray exposure apparatus An X-ray illumination system includes first and second X-ray mirrors for reflecting a synchrotron radiation beam, sequentially, a driving system for changing at least one of position and attitude of each of the first and second X-ray mirrors, a first meas... | 06/27/2000 |
| 6079876 | X-ray exposure system for 3D imaging An X-ray system has an X-ray apparatus, an X-ray source and an X-ray receiver on a carrier that is adjustable relative to a subject to be examined for registering 2D projections of a region of the subject from different projection angles with subsequent 3... | 06/27/2000 |
| 6076966 | Stand for X-ray image quality testing A test stand for use in testing the performance of an X-ray system constructed and arranged to project an X-ray beam along a defined path. The stand includes a vertical base, a first support extending horizontally from one end of the base for positioning ... | 06/20/2000 |
| 6056437 | Methods and apparatus for imaging system detector alignment The present invention, in one form, is a system which, in one embodiment, determines an x-ray beam z-axis profile and properly positions a detector array. Specifically, in one embodiment, signals intensities from the detector array are used to determine t... | 05/02/2000 |
| 6050724 | Method of and device for position detection in X-ray imaging The invention relates to a method of position detection in X-ray imaging, and to a device for carrying out such a method by means of an X-ray apparatus, a detector device, including at least two detector elements, and an indicator device. The exact associ... | 04/18/2000 |
| 6048097 | X-ray examination device with a C-arm In a stationary or mobile C-arm X-ray examination device with isocentric shifting of the C-arm, including rotation around a rotational axis, in order to enable an exact positioning of the patient, a light source is provided at the X-ray examination device... | 04/11/2000 |
| 6049586 | Non-destructive inspection apparatus and inspection system using it A non-destructive inspection apparatus has a radiation source, a radiation detector, a radiation source diver, a detector driver, a drive controller, a delay circuit, a radiation signal processing circuit, a memory, a computer, a display device, and an in... | 04/11/2000 |
| 6033111 | Color coding method and apparatus for an X-ray positioning system Color coding the components of a dental positioner, including an aiming ring, a bite block and an indicator arm allows the operator to assemble the correct positioner for proper positioning and alignment according to a particular dental area to be X-rayed... | 03/07/2000 |
| 6012841 | Periapical film holder A dental x-ray film holder and position device wherein the film holder and an associated biteblock can be rotated 180 degrees relative to a handle and associated x-ray beam alignment aid. Such rotation is facilitated by the use of a knurled knob on the en... | 01/11/2000 |
| 5954647 | Marker system and related stereotactic procedure Repeat fixation for medical procedures is accomplished using a non-invasive locator, specifically a bite plate. The bite plate has at least three fiducial markers on it. The fiducial markers may be LEDs, radiopaque markers for angiography or computerized ... | 09/21/1999 |
| 5933472 | Sliced level display for X-ray systems A slice level display for x-ray systems has a projector arranged next to a patient-support plate which emits light beam directed onto a patient on the support plate, projector being coupled to a drive system in order to displace an x-ray radiator and an e... | 08/03/1999 |
| 5923727 | Method and apparatus for calibrating an intra-operative X-ray system Apparatus for calibrating an intra-operative X-ray system having an X-ray source and a detector includes an optical camera associated with the X-ray source; an optical camera associated with the detector; an X-ray phantom placed within a field of view of ... | 07/13/1999 |
| 5917884 | Template for ensuring accurate patient positioning for upright X-ray examinations A template for aiding in the accurate alignment of a human subject undergoing upright X-ray examinations requiring one or more oblique views is formed of graphical indicia specially arranged for highly intuitive interpretation by the subject. The indicia ... | 06/29/1999 |
| 5912945 | X-ray compass for determining device orientation An apparatus and method for determining the orientation of a device with respect to an x-ray source. In one embodiment, the present invention is coupled to a medical device in order to determine the rotational orientation of the medical device with respec... | 06/15/1999 |
| 5878072 | Laser alignment cross hair An alignment cross hair apparatus for partially eclipsing a laser beam includes a laser generator that emits a laser beam. A frame includes a pair of members that cross one another at an intersection within the frame. The frame is attachable to the laser ... | 03/02/1999 |
| 5878104 | Method for producing tomosynthesis exposures employing a reference object formed by a region of the examination subject In a method for producing a tomosynthesis exposure a reference object is used which is formed by a region of the examination subject. It is thus possible to determine the distance of the beam transmitter to the beam receiver and to the examination subject... | 03/02/1999 |
| 5873822 | Automatic registration system for use with position tracking and imaging system for use in medical applications A system is disclosed for monitoring the position of a medical instrument with respect to a patient's body and for displaying at least one of a plurality of prerecorded images of said body responsive to the position of said medical instrument. In one embo... | 02/23/1999 |
| 5870450 | Universal radiographic/fluoroscopic digital room A universal radiographic/fluoroscopic room includes a digital imaging platform adapted to occupy operating and non-operating positions. A park function automatically moves the digital imaging platform between the operating and non-operating positions with... | 02/09/1999 |
| 5838764 | Medical system with adjustable handle A medical system with adjustable, movable components that can be set by disengageable brakes, in particular an X-ray diagnostic apparatus with a C-arm that can be adjusted in the height of its orbital position and angulation and that carries an X-ray sour... | 11/17/1998 |
| 5836898 | Lithotripsy combination comprising a therapy unit A lithotripsy combination, includes a therapy unit and a separate X-ray locating unit which has a first carriage and which can be coupled to the therapy unit via a coupling unit. The X-ray locating unit includes an X-ray source and an X-ray image converte... | 11/17/1998 |
| 5835562 | Medical radiological apparatus including optical crosshair device for patient positioning and forearm and spinal positioning aides A medical radiological apparatus, such as an x-ray bone densitometry apparatus includes patient positioning aides for accurate patient placement and consistent positioning during a single scanning procedure, or during subsequent procedures. An optical cro... | 11/10/1998 |
| 5828722 | X-ray diagnostic apparatus for tomosynthesis having a detector that detects positional relationships An diagnostic apparatus for generating X-ray exposures for tomosynthesis includes a position detector (2, 4) for registering the mutual positional relationship between the radiation transmitter (1) and/or the radiation receiver (3) and/or the object (7) u... | 10/27/1998 |
| 5808306 | X-ray detector The detector of the present invention comprises a plurality of densely packed x-ray detectors arranged into an array. Each detector preferably comprises a scintillator element which is optically coupled to a photodetector element, preferably with a fiber ... | 09/15/1998 |
| 5803912 | Positioning function mammographic biopsy function system with offset A motorized biopsy needle positioner employed in a mammographic needle biopsy system receives coordinate information representative of an identified point of interest within a patient's captive breast under examination and automatically positions a biopsy... | 09/08/1998 |
| 5772594 | Fluoroscopic image guided orthopaedic surgery system with intraoperative registration The present invention is an improved system for allowing an orthopaedic surgeon to safely determine the precise trajectory of insertion of a guide pin or screw into an object bone and to check the accuracy of the procedure using real time feedback. The sy... | 06/30/1998 |
| 5751788 | Universal radiographic/fluoroscopic digital room A universal radiographic/fluoroscopic "room" is constructed according to the present invention by combining a versatile group of X-ray examination system components, electrical and mechanical drive components, and sensing components, under the supervision... | 05/12/1998 |
| 5748696 | Radiation computed tomography apparatus A radiation computed tomography apparatus of this invention includes a couch, a top board which carries the patient and is slidably arranged on the couch, a gantry which has an opening and acquires projection data of a patient by guiding the patient carri... | 05/05/1998 |
| 5745548 | Apparatus for and method of adjustably precalibrating the position of the focal spot of an X-ray tube for use in a CT scanner system The invention provides a system for and method of precalibrating the position of the focal spot of an X-ray tube before its installation in a CT scanner system so that the focal spot of the tube is properly aligned with the off-focal aperture, slice-defin... | 04/28/1998 |
| 5737388 | Digital intraoral X-ray photography method and holder for picture plate or X-ray film Intraoral dental radiography based on X-ray photography. The radiography is performed with either a conventional film or a picture plate, in which case the dimensions of the picture may be corrected by means of a computer program while viewing the picture... | 04/07/1998 |
| 5712893 | Real time radiographic inspection system A real time radiographic inspection system for inspecting a part includes a first, generally cylindrical housing having inner and outer substantially cylindrical coaxially aligned walls defining a substantially annular chamber therebetween. First and seco... | 01/27/1998 |
| 5708696 | Positioning device for an X-ray machine A device (10) for positioning the location of an emitted x-ray (1 2a) has an optical mirror (20) having at least two leg portions (31, 32) separated by stepped portion (30) formed therewith. Leg portions (31, 32) and stepped portion (30) have substantiall... | 01/13/1998 |
| 5690108 | Interventional medicine apparatus Apparatus for assisting in the manual location, vectoring, and insertion of a medical instrument relative to a patient's body using medical imaging equipment providing a cross-sectional imaging plane and a monitor which displays a distance calibrated cros... | 11/25/1997 |
| 5689545 | Laser line projecting tool for leveling and alignment of X-ray equipment, and method of use A portable battery powered tool for aligning equipment in an X-ray room includes two spaced apart channel engaging connectors carried by a reference surface of the tool for engaging the usual recessed channels in the ceiling of the X-ray room, a laser car... | 11/18/1997 |
| 5675403 | Stress-free mount for imaging mask An imaging mount and apparatus that reduces or eliminates stress induced in an imaging mask mounted thereto. The mount comprises a support block and a trio of mounting pads connected thereto. At least two of the mounting pads are connected to the support ... | 10/07/1997 |
| 5657368 | Apparatus for positioning and marking a patient at a diagnostic apparatus An apparatus for positioning and marking a patient at a diagnostic apparatus, for example before and after being scanned in a computer tomograph, comprising at least four line lasers adapted to be displaced along an axis, two of said line lasers being arr... | 08/12/1997 |
| 5652779 | Film positioning system for dental X-ray procedures A film positioning system for dental X-ray and digital radiography procedures including a number of film or digital sensor carriers (bite wing, anterior, etc) each including a film or sensor holder on one end and an extending attachment rod, and an X-ray ... | 07/29/1997 |
