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| Number | Title | Issue Date |
| 7232256 | Intraoral radiographic dental x-ray packets having non-lead radiation shielding An intraoral x-ray film packet, comprising: an outer envelope; a film chip disposed within the outer envelope; and a non-lead sheet disposed within the outer envelope, the non-lead sheet being comprised substantially of tin. ... | 06/19/2007 |
| 7211814 | Standoff radiation attenuation system A radiation attenuation system suitable for use in radiological examinations includes a first portion comprising a radiation attenuation material and a second portion comprising a relatively non-radiation attenuation buffer region between the radiation attenuation m... | 05/01/2007 |
| 7211942 | Radiation image conversion panel There is provided a radiation image conversion panel having a sufficient quantity of emitted light and high graininess. The radiation image conversion panel has a phosphor layer containing a stimulable phosphor and a binder. The phosphor layer has at least two layer... | 05/01/2007 |
| 7126136 | Nanoparticle optical storage apparatus and methods of making and using same The present invention relates in general to nanoparticles exhibiting luminescence such as photostimulated luminescence or photoluminescence and optical switching processes based upon such properties, in more particular, the use of such photostimulated luminescence e... | 10/24/2006 |
| 7104686 | Radiographic apparatus A radiographic apparatus includes a detection section including photoelectric conversion elements that detect radiation that has been transmitted through a subject. The apparatus has a substantially rectangular detection surface; and a housing that contains the dete... | 09/12/2006 |
| 6918697 | Light treatment device and method, imaging cassette, dose measuring module and radiology apparatus Device and method of treatment of light obtained from X-rays, comprising a means of filtering the light with a cutoff frequency such that a first part of the spectrum of the light emitted by a light emitter is preserved, the first part of the spectrum being independ... | 07/19/2005 |
| 6908237 | X-ray processor automatic film feed An automatic x-ray film feed uses a timer and relay system to automatically develop a multiplicity of film slides one-by-one in an x-ray processor without requiring a user to manually advance the slides after each slides in developed. The timer activates a motor thr... | 06/21/2005 |
| 6859522 | Carotid artery filter system for single view dental panoramic radiographs A method and a suite of filters for detecting carotid artery calcification in a panoramic dental radiograph, including imposing a filter between an x-ray radiation beam source and an imaging medium, wherein the imposing attenuates the effect of the incident x-ray in... | 02/22/2005 |
| 6846606 | Phosphor screen and imaging assembly with poly(lactic acid) support A phosphor screen comprises an inorganic phosphor capable of absorbing X-rays and emitting electromagnetic radiation having a wavelength greater than 300 nm. The phosphor is disposed on a support that has a reflective substrate comprising a continuous poly(lactic ac... | 01/25/2005 |
| 6828077 | Mammography imaging method using high peak voltage A method of mammography imaging includes exposing a patient to a peak voltage greater than 29 kVp. The film used in this method comprises a cubic grain silver halide emulsion layer on one side of the support and a tabular grain silver halide emulsion layer on the ot... | 12/07/2004 |
| 6794106 | Radiographic imaging assembly for mammography A radiographic imaging assembly comprises a radiographic silver halide film having a film speed of at least 100 and a single fluorescent intensifying screen that has a screen speed of at least 200. This imaging assembly is particularly useful for mammography or imag... | 09/21/2004 |
| 6669363 | Radiation cassette A radiation cassette has a housing for accommodating a radiation image recording medium, a lid openably and closably mounted on a portion of the housing, a light-shielding plate disposed in a remaining portion of the housing, the lid being swingably mount... | 12/30/2003 |
| 6669364 | Cassette assembly for use with roentgen apparatus with automatic exposure control A cassette assembly comprising an X-ray cassette, with a tube side and a cover, and an intensifying screen wherein the cassette assembly further comprises a compensation element adapted to the intensifying screen so as to have a cassette assembly with pre... | 12/30/2003 |
| 6582120 | Method and X-ray device for the acquisition of a set of projection images of an object to be examined A method for the acquisition of a set of projection images for the reconstruction of a three-dimensional image data set of an object to be examined that is arranged in an examination zone, said acquisition being performed by way of an X-ray device that in... | 06/24/2003 |
| 6457860 | Light-weight imaging assemblies for oncology portal imaging Imaging assemblies comprise thin metal screens adjacent fluorescent intensifying screens. Such assemblies can be included as part of radiographic imaging assemblies in which a radiographic film is positioned behind the metal and fluorescent intensifying s... | 10/01/2002 |
| 6394649 | Radiation oncology portal imaging assembly and method of portal imaging Portal radiographic imaging can be carried out using any suitable imaging equipment because of a modification to the imaging assembly to give it more flexibility for various imaging conditions. The imaging assembly includes a radiographic film, and at lea... | 05/28/2002 |
| 6394650 | Photographic combination for use in radiography A photographic combination for use in radiography to project a refraction contrast image is disclosed, comprising a radiographic intensifying screen and a silver halide light sensitive photographic material, wherein the photographic material comprises a s... | 05/28/2002 |
| 6220751 | Apparatus for enhancing cephalometric images A filter for use in an x-ray film cassette for cephalometric imaging. The filter is interposed between the x-ray film being exposed an adjacent x-ray conversion screen. The filter has a substantially optically opaque portion that is aligned with the patie... | 04/24/2001 |
| 5925505 | Direct X-ray elements capable of handling in ambient light Direct X-ray films are disclosed capable of being handled in room light prior to and during processing. The films contain silver halide grains responsive to X-radiation that are sulfur sensitized. The films also contain a combination of processing solutio... | 07/20/1999 |
| 5757888 | X-ray apparatus In an X-ray apparatus, an X-ray film is placed in an closed space formed by front and rear sensitizer screen supports and a closing member fixed to one of the sensitizer screen supports so that a part of the X-ray film projects outside the closed space. T... | 05/26/1998 |
| 5757887 | Radiographic cassettes and apparatus and method for loading/unloading thereof The present invention relates to a radiographic cassette to be used for exposing a radiographic film to X-ray radiation, the radiographic cassette comprising a base element and an upper element, a front phosphor screen adhered to the inner portion of the ... | 05/26/1998 |
| 5734693 | Radiation exposure system A system of radiography includes the provision of a cassette which is to be subjected to exposure from radiation beam. The cassette includes a screen layer and a filter layer having regions of different optical density and an imaging film. The filter acts... | 03/31/1998 |
| 5659592 | Patient identification means for x-ray cassette A patient identification x-ray cassette comprising: a cover having a window in the cover with predetermined transmission characteristics; a prompt emission stimulable phosphor coated substrate positioned essentially below the window having a phosphor that... | 08/19/1997 |
| 5574768 | Screen film cassette A screen film cassette for radiographic use. The cassette includes front and rear screen-film combinations housed in container, and each screen-film combination includes a pair of intensifying screens which sandwich a film. A dividing filter is located be... | 11/12/1996 |
| 5524132 | Process for revealing defects in testpieces using attenuated high-energy x-rays to form images in reusable photographs A process and apparatus for revealing manufacturing defects in testpieces, such as printed circuit boards, by passing through high-intensity attenuated x-rays (above 150 Kilo-Volts) to reusable photo plates for revealing defects in the testpieces. The x-r... | 06/04/1996 |
| 5519753 | X-ray film cassette having externally latched identification window An x-ray cassette including a body having an interior configured to hold a sheet of x-ray film. The body has a window disposed for the transmission of light into the interior of the body. A shutter is mounted on the body. The shutter is free of apertures.... | 05/21/1996 |
| 5461660 | Medical X-ray recording system An X-ray recording system is provided characterised in that (i) a double sided X-ray film is arranged between an X-ray intensifying screen and a reflecting sheet material (ii) said reflecting sheet material has at least one reflecting side (iii) the total white lig... | 10/24/1995 |
| 5394987 | Cassette for stacks of sheets of x-ray film A cassette for a stack of superimposed sheets of X-ray film has a bottom wall, four sidewalls disposed at the upper side of and defining with the bottom wall a rectangular or square chamber for at least one stack of sheets, and a cover which is pivotally ... | 03/07/1995 |
| 5380636 | Multicontrast radiographic film-screen assembly The present invention relates to a symmetrical radiographic assembly comprising: a double side radiographic element which comprises a support and hydrophilic colloid layers coated on each side of said support, and an intensifying screen adjacent to each side o... | 01/10/1995 |
| 5376801 | Radiation film and energy subtraction processing method using the same A radiation film comprises a substrate and emulsion layers overlaid on opposite surfaces of the substrate. The radiation film is sandwiched between two radiation intensifying screens having different radiation energy absorption characteristics. Each of th... | 12/27/1994 |
| 5285490 | Imaging combination for detecting soft tissue anomalies A radiographic imaging combination that is capable of detecting soft tissue anomalies is described. This combination is particularly effective for neonatal radiography and comprises a source of X-radiation exhibiting a peak emission in the range of from 4... | 02/08/1994 |
| 5265148 | X-ray sheet film cassette An X-ray sheet film cassette has an upper cassette part, a lower cassette part adapted to face a radiation source and connected with the upper cassette part so that the cassette can be opened and closed. The lower cassette part has a frame and a plate con... | 11/23/1993 |
| 5221843 | Active energy selective x-ray image detection An apparatus and method for energy selective x-ray image detection. A source produces two fluxes of x-ray radiation with two different energy spectra. The fluxes are sequentially incident on the subject then on two layered planar detectors with control me... | 06/22/1993 |
| 5128978 | Film holder for autoradiographic imaging A film cassette designed to receive photosensitive film in a light protective envelope and maintain lighttight integrity while removing the protective envelope includes means for bringing a light emitting enhancer screen into intimate contact with the pho... | 07/07/1992 |
| 5091928 | Lead and lead oxide screens for use with x-ray films An improved intensifying lead screen for use with photographic, industrial X-ray films. This screen comprises a lead foil or lead oxide adhesively applied to a polyester support and optionally contains an overcoat or protective layer thereon.... | 02/25/1992 |
| 5086446 | X-ray sheet film cassette The X-ray sheet film cassette has a top part hinged to a base part. The bottom of the base part is provided with a frame enclosing a film supporting plate through which the radiation is transmitted. The supporting plate has a laminated structure including... | 02/04/1992 |
| 5086445 | Method and apparatus for referencing a cassette and/or an intensifying screen on a radiograph The present invention relates to a method and apparatus for imprinting information, particularly identifying an intensifying screen and cassette used to produce a radiograph, permanently on the radiograph.... | 02/04/1992 |
| 5063583 | Method and apparatus for testing radiographic film processors Methods and apparatus for determining film processor performance. Films for use in radiographic imaging, adapted to evaluate performance of a film processor which develops an image of a structure of interest on the films are provided. The films have expos... | 11/05/1991 |
| 5033046 | Device of x-ray intensifying and anti-diffusion screens for intra-oral dental radiographic plates A device of x-ray intensifying and anti-diffusion screens, for intra-oral dental radiographic plates of the kind employing a hermetic chassis cassette with a front and a back protective plate and having at least one intensifying plate emulsified with "rar... | 07/16/1991 |
| 5028518 | Radiographic thermographic imaging film Photothermographic emulsions sensitive to ultraviolet radiation can be coated on both sides of polymeric film which is inherently absorptive of the ultraviolet radiation, preventing crossover effects in cassette loading of the film.... | 07/02/1991 |
