"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20120012763 | Method and Apparatus Pertaining to Use of Jaws During Radiation Treatment These various embodiments are employed in conjunction with the use of both a multi-leaf collimator and jaws that are interposed between a source of radiation and a treatment target while sourcing radiation from the source of radiation towards the treatment target. Gener... | 01/19/2012 |
| 20110293069 | MEDICAL VIEWING SYSTEM FOR DISPLAYING AN X-RAY IMAGE A medical viewing system comprises an X-ray source, a collimator for limiting the X-ray radiation output of the X-ray source and a flat X-ray detector, wherein the collimator is adjustable such that the subsequent X-ray images acquired by the X-ray detector comprise a r... | 12/01/2011 |
| 20110200170 | Method and System for Treating Moving Target A method and system for providing intensity modulated radiation therapy to a moving target is disclosed. According to a preferred embodiment of the invention, a treatment plan for providing radiotherapy using a multi-leaf collimator (“MLC”) comprises a plurality of ... | 08/18/2011 |
| 20110188624 | TOMOSYNTHESIS WITH SHIFTING FOCAL SPOT AND OSCILLATING COLLIMATOR BLADES In a tomosynthesis system a static focal spot is moved in a direction opposite to and generally synchronized with the directional movement of an x-ray source and X-ray collimator blades are moved during each exposure in synchronization with the shifting of the static fo... | 08/04/2011 |
| 20110182492 | ANGIOGRAPHIC IMAGE ACQUISITION SYSTEM AND METHOD WITH AUTOMATIC SHUTTER ADAPTATION FOR YIELDING A REDUCED FIELD OF VIEW COVERING A SEGMENTED TARGET STRUCTURE OR LESION FOR DECREASING X-RADIATION DOSE IN MINIMALLY INVASIVE X-RAY-GUIDED INTERVENTIONS The present invention refers to an angiographic image acquisition system and method which can beneficially be used in the scope of minimally invasive image-guided interventions. In particular, the present invention relates to a system and method for graphically visualiz... | 07/28/2011 |
| 20110182404 | Collimator with an adjustable focal length The invention relates to a collimator with adjustable focal length, especially for use in X-ray testing devices whose operating principle is based on diffraction phenomena in an object. Fixed focal length collimators used in such X-ray testing devices have to be displac... | 07/28/2011 |
| 20100296631 | FILTERING OF A SOURCE OF PULSED RADIATION A source of pulsed radiation is coupled to a positionable filter. The positionable filter includes an element that produces an indication of a position of the filter. The source is configured to receive the indication of the position of the filter, and to regulate emiss... | 11/25/2010 |
| 20100278310 | MULTI-LEAF COLLIMATOR WITH ROTATORY ELECTROMECHANICAL MOTOR AND OPERATING METHOD Multi-leaf collimators have a guide frame (1) with a plurality of metal plates (3) arranged in a displaceable fashion, by which each individual metal plate can be displaced by an electric motor (M), with the electric motor (M) being a rotatory electromecha... | 11/04/2010 |
| 20100274120 | SYNCHRONOUS INTERVENTIONAL SCANNER When performing an interventional CT scan on a subject, radiation dose is limited by employing a dynamic collimator (142) that collimates X-rays emitted by an X-ray source (112). The X-ray source (112) and collimator (142) rotate around a VOI... | 10/28/2010 |
| 20100246752 | DYNAMIC COLLIMATION IN CONE BEAM COMPUTED TOMOGRAPHY TO REDUCE PATIENT EXPOSURE When performing a fly-by or helical CT scan of a subject, radiation dose is limited by positioning a dynamic collimator (142) between the subject and an X-ray source (112). The collimator moves axially with the X-ray source (112) along a volume of i... | 09/30/2010 |
| 20100246764 | SOURCE GRATING FOR X-RAYS, IMAGING APPARATUS FOR X-RAY PHASE CONTRAST IMAGE AND X-RAY COMPUTED TOMOGRAPHY SYSTEM A source grating for X-rays and the like which can enhance spatial coherence and is used for X-ray phase contrast imaging is provided. The source grating for X-rays is disposed between an X-ray source and a test object and is used for X-ray phase contrast imaging. The s... | 09/30/2010 |
| 20100189218 | THREE DIMENSIONAL IMAGE PROCESSING APPARATUS AND X-RAY DIAGNOSIS APPARATUS A three dimensional image processing apparatus includes a feature point designation unit which designates feature points on at least two selected images selected from a plurality of images in different radiographing directions, a three dimensional position calculation u... | 07/29/2010 |
| 20100177873 | Apparatus and Method to Facilitate Dynamically Adjusting Radiation Intensity for Imaging Purposes An x-ray-based radiation imaging apparatus (200) for use in imaging an object (201) can comprise a source of x-rays (202) having an output radiation intensity control input and a radiation intensity controller (207) operably coupled thereto. ... | 07/15/2010 |
| 20100166150 | Collimation apparatus for radiotherapy A radiotherapy apparatus comprises a means for producing a beam of radiation directed along a beam axis and having a width in first and second directions transverse to the beam axis, a multi-leaf collimator for selectively limiting the width of the beam in at least the ... | 07/01/2010 |
| 20100116993 | RADIOGRAPHY MEASURING APPARATUS AND RADIOGRAPHY MEASURING METHOD A neutron reactant layer (220) is directly coated inside an aluminum substrate (200) of an incident window (20). A first scintillator layer (201) is formed inside the neutron reactant layer 220, and a photoelectric conversion layer ( 05/13/2010 | |
| 20100119036 | Limiting An X-Ray Beam In Connection With Dental Imaging The present invention relates to limiting an x-ray beam used in connection with dental extra oral imaging by a plate mechanism (1) arranged to be operated by a drive mechanism including an actuator (3) arranged to move at least one plate element (2, 3 | 05/13/2010 |
| 20100111261 | ADD-ON-X-RAY-COLLIMATOR FOR NON-SYMMETRICAL BEAM COLLIMATION It is described a device (10) for non-symmetrical X-ray beam collimation of a X-ray tube (30), wherein the device comprises a housing (1), a X-ray absorbing plate (2) for collimating a x-ray asymmetrically, and a sleigh (3) for moving ... | 05/06/2010 |
| 20100091937 | X-RAY BEAM MODIFYING DIAPHRAGM AND DIAPHRAGM DEVICE A diaphragm and diaphragm device for the specific manipulation of x-ray radiation that emanates from an x-ray focus of a CT apparatus and serves for scanning an examination subject, wherein the x-ray focus and the diaphragm arranged relatively near to the focus can be r... | 04/15/2010 |
| 20100091939 | CIRCULAR MULTI-BEAM X-RAY DEVICE A multi-beam x-ray device has a multi-beam x-ray tube with an interior in the form of a circle. Focal spots of the x-ray radiation are arranged along the circle. An x-ray tube control unit controls the x-ray radiation emission such that an x-ray beam is emitted from eac... | 04/15/2010 |
| 20100091938 | MULTI-BEAM X-RAY DEVICE A multi-beam x-ray device has a multi-beam x-ray tube in the form of a polygon, wherein the focal spots of the x-ray radiation are arranged along the polygon sides. An x-ray tube control unit controls the x-ray radiation emission such that an x-ray beam is alternately e... | 04/15/2010 |
| 20100061511 | Modulatable Radiation Collimator The invention specifies a radiation collimator, in particular an x-ray collimator, which can be arranged between a radiation source outputting radiation and an object. The radiation collimator includes absorber channels arranged adjacent to one another which form a two-... | 03/11/2010 |
| 20100054408 | Irradiation Device and Collimator An irradiation device for radiation treatment and a collimator (1) are used to define a beam of high-energy rays (2) with beam limitation by means of an iris diaphragm (5) having adjusting elements (7), and a mechanism that is used to direct ... | 03/04/2010 |
| 20100054420 | ADJUSTING DEVICE FOR BARRIER BLADE OF SCATTERED X-RAY An adjusting device for a barrier blade includes a barrier blade for limiting scattered X-ray of a tube and a base plate for mounting the barrier blade. The adjusting device also includes a barrier blade support and a drive unit, wherein said barrier blade support inclu... | 03/04/2010 |
| 20100046713 | LEAF SEQUENCING ALGORITHM FOR MOVING TARGETS A method of providing intensity modulated radiation therapy to a moving target is disclosed. The target moves periodically along a trajectory that is projected onto a multi-leaf collimator (MLC) plane. The MLC plane is divided into thin slices parallel to the movement o... | 02/25/2010 |
| 20100008472 | LAMELLA COLLIMATOR AND BEAM THERAPY APPLIANCE A lamella collimator, in particular for a beam therapy appliance, is provided. The lamella collimator has a plurality of lamellae, which can be moved by a motor or motors in a movement direction in order to preset a countour of a beam path on an X-ray beam. Each lamella... | 01/14/2010 |
| 20090304150 | SLIT-SLAT COLLIMATION This invention is directed to a collimator and collimation techniques. Specifically, the invention is directed to a collimator and method for collimation wherein the collimator combines the resolution and sensitivity properties of pinhole Single Photon Emission Computed... | 12/10/2009 |
| 20090285749 | Apparatus and Method for Functional Neurological Screening A variable focus collimator device and method for functional neurological screening. The variable focus collimator uses sets of corresponding holes in two plates of gamma shielding material, arranged so that only gamma rays emitted from a defined focal region detected. ... | 11/19/2009 |
| 20090220046 | COLLIMATOR DEVICE FOR RADIOTHERAPY AND RADIOTHERAPY APPARATUS USING THE SAME Provided is a collimator device for radiotherapy including: a body including a first through unit and disposed on a path of high energy radiation which in use is irradiated toward a patient's treatment part; a frame including a through hole corresponding to the first th... | 09/03/2009 |
| 20090213990 | X-ray apparatus An investigative X-ray apparatus comprises a source of X-rays emitting a cone beam centred on a beam axis, a collimator to limit the extent of the beam, and a two-dimensional detector, the apparatus being mounted on a support which is rotatable about a rotation axis, th... | 08/27/2009 |
| 20090207975 | Multi-leaf collimator A multi-leaf collimator for use in a radiotherapeutic apparatus comprises a plurality of elongate narrow leaves arranged side-by side and supported in a frame, the frame having upper and lower formations for guiding each leaf into which extend ridges on the upper and lo... | 08/20/2009 |
| 20090196401 | Machine vision system A fluorescing marker is used in order to mark (for example) a leaf of a multi-leaf collimator and/or the reference points within the field of view. The markers are illuminated with light tuned to cause the markers to fluoresce at a wavelength different to that of the il... | 08/06/2009 |
| 20090129552 | X-RAY OPTIC WITH VARYING FOCAL POINTS An x-ray optical device delivers an x-ray beam with variable convergence. The convergence or the divergence of the x-ray beams varies over different parts of the reflector. The device may include an adjustable aperture to further select the convergence or divergence. Th... | 05/21/2009 |
| 20090074147 | APPARATUS FOR SHIELDING X-RAYS AND X-RAY DEVICE INCORPORATING SAID APPARATUS An X-ray shielding apparatus (40) and an X-ray device incorporating such an apparatus are described. The apparatus (40) comprises a stationary member (94) having an aperture and one or more shielding members (96, 98) movable in relation to th... | 03/19/2009 |
| 20090041188 | METHOD AND SYSTEM FOR FOUR DIMENSIONAL INTENSITY MODULATED RADIATION THERAPY FOR MOTION COMPENSATED TREATMENTS A deliverable four dimensional (4D) intensity modulated radiation therapy (IMRT) planning method is disclosed, for delivery using a linear accelerator with a dynamic multi-leaf collimator (DMLC). A 4D computed tomography (CT) scan is used for segmenting tumor anatomy on... | 02/12/2009 |
| 20090010395 | ADJUSTABLE APERTURE COLLIMATOR A collimator including an inner border whose inner perimeter defines an aperture, an outer border positioned outwards of the inner border, an enclosure being defined and bounded between the inner and outer borders, the enclosure being sufficiently filled with a radiopaq... | 01/08/2009 |
| 20080285718 | X-RAY DIAPHRAGM A diaphragm system for an x-ray apparatus for scanning an object is provided. The diaphragm system includes a diaphragm support arranged within a radiation path of an x-ray beam. The diaphragm support includes at least two different individual diaphragms. The at least t... | 11/20/2008 |
| 20080260103 | X-RAY IMAGING APPARATUS When a tabletop is rolling, an aperture specifying unit calculates an aperture of diaphragm blades such that a radiation field is to be R′ based on a rolling angle, where R′ is a radiation field having the same radiation area of X-rays after tabletop rolling as a ra... | 10/23/2008 |
| 20080247510 | ORTHOVOLTAGE RADIOSURGERY A radiosurgery system is described that is configured to deliver a therapeutic dose of radiation to a target structure in a patient. In some embodiments, inflammatory ocular disorders are treated, specifically macular degeneration. In some embodiments, other disorders o... | 10/09/2008 |
| 20080237482 | Variable collimation in radiation detection Apparatus for detecting radiation emitted from a number of volume elements of a body. The apparatus includes a first plurality of detector elements, each detector element being configured to output signals indicative of an intensity of radiation that is incident thereon... | 10/02/2008 |
| 20080084968 | Configuration of a Medical Radiotherapeutic Instrument A configuration of a medical radiotherapeutic instrument comprising a body of ray source, a switch and an end collimation body, a pre-collimation hole and a ray source cavity for placing ray source are defined on the body of ray source; the switch is a plentiful of pill... | 04/10/2008 |