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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 8385506 | X-ray cathode and method of manufacture thereof The disclosed embodiments include embodiments such as an X-ray tube cathode filament system. The X-ray tube cathode filament system includes a substrate and a coating disposed on the substrate. In this cathode filament system, an electron beam is emitted from the co... | 02/26/2013 |
| 8284899 | X-ray tube having a focal spot proximate the tube end An x-ray tube having a reduced spacing between the focal spot of an anode and an adjacent end wall of an evacuated enclosure is disclosed. This in turn positions the tube relatively closer to the chest wall of a patient during mammography procedures. In one embodime... | 10/09/2012 |
| 8254526 | Thermionic electron emitter and X-ray source including same A thermionic electron emitter (1) is proposed comprising an inner part (2) including a heatable flat emission surface (3) and an outer part (4) including a surrounding surface (6) substantially enclosing the emission surface and a ... | 08/28/2012 |
| 8223923 | X-ray source with metal wire cathode An X-ray source with a cathode (2) that includes a first wire (4) having optionally thermal loops (12, 14) between an emission loop (10) and first and second ends (6, 8). A spiral second wire (30) is wound around the wire ( | 07/17/2012 |
| 8213575 | X-ray generating apparatus According to the X-ray generating apparatus of this invention, a potential corresponding to that of a housing is applied to a first electrode, closest to a cathode, of at least two intermediate electrodes arranged between the cathode and a target. Therefore, even if... | 07/03/2012 |
| 8175222 | Electron emitter and method of making same One example embodiment includes an electron emitter. The electron emitter comprises a conductive member that defines a plurality of filament segments that are integral with each other. Each filament segment includes an intermediate portion and an interconnecting por... | 05/08/2012 |
| 8155273 | Flat panel X-ray source A radiation source which can emit X-ray flux using electron beam currents from a cathode array formed on the window through which the radiation will exit the source. The source can be made in formats which are compact or flat compared with prior art radiation source... | 04/10/2012 |
| 8077829 | Electron emitter apparatus and method of assembly An electron emitter assembly, and methods of assembly, is disclosed. The emitter assembly includes an electron emitter that is secured to a support device in a manner such that the emitter is substantially thermally isolated from the support device. ... | 12/13/2011 |
| 8031839 | X-ray tube According to one embodiment, a distance from an X-ray tube central axis to an outer side surface of a cathode electron gun in a direction perpendicular to the longitudinal direction of a filament coil is made less than a distance from the X-ray tube central axis to ... | 10/04/2011 |
| 8000449 | Emitter for X-ray tubes and heating method therefore It is described an emitter (26, 40) for X-ray tubes comprising: a flat foil with an emitting section (30, 46); and at least two electrically conductive fixing sections (31-34; 41-44); wherein the emitting section (30, 46) is... | 08/16/2011 |
| 7924983 | Thermionic emitter designed to control electron beam current profile in two dimensions An electron emitter assembly for use in an x-ray emitting device or other electron emitter-containing device is disclosed. In one embodiment, an x-ray tube is disclosed, including a vacuum enclosure that houses both an anode having a target surface, and a cathode po... | 04/12/2011 |
| 7903788 | Thermionic emitter designed to provide uniform loading and thermal compensation An electron emitter assembly for use in an x-ray emitting device or other electron emitter-containing device is disclosed. In one embodiment, an x-ray tube is disclosed, including a vacuum enclosure that houses both an anode having a target surface, and a cathode po... | 03/08/2011 |
| 7903789 | X-ray tube electron sources An X-ray tube includes an emitter wire enclosed in a suppressor. An extraction grid comprises a number of parallel wires extending perpendicular to the emitter wire, and a focusing grid comprises a number of wires parallel to the grid wires and spaced apart at equal... | 03/08/2011 |
| 7864925 | Cathode A cathode has a cathode head in which is arranged a surface emitter is arranged that emits electrons upon the application of a heating voltage. At least one electrically conductive barrier plate that is galvanically separated from the surface emitter extends up to t... | 01/04/2011 |
| 7864924 | Scanning X-ray radiation X-ray radiation is generated at a target that emits x-ray radiation in response to being struck by accelerated electrons, the electrons being emitted by a cathode that emits electrons in response to being illuminated by electromagnetic radiation from a source, and t... | 01/04/2011 |
| 7860219 | Cathode assembly with integral tabs A cathode shield can comprise a shield body, a pair of tabs for defining a focal spot length, and a lip for concentrically aligning the cathode shield relative to a mounting element and/or an electron source of a cathode assembly. The tabs may be integral with the s... | 12/28/2010 |
| 7831020 | X-ray tube and X-ray source including it The present invention relates to an X-ray tube, having a structure for realizing improvement of a magnification factor of a magnified transmission image, and an X-ray source that includes the X-ray tube. The X-ray tube includes: a target housing unit, housing an X-r... | 11/09/2010 |
| 7809115 | Diode for flash radiography A flash radiography diode includes a cathode and an anode. The cathode includes a frustum member with a bore extending through the frustum member. The anode is a tapered anode made of an electrically conductive material and oriented toward the cathode. The anode and... | 10/05/2010 |
| 7738632 | X-ray tube with transmission anode An x-ray tube has a cathode that generates free electrons; an anode on which the free and accelerated electrons strikes so that x-ray radiation is generated; a cooling channel with coolant flowing therethrough to cool the anode; a vacuum region between the cathode a... | 06/15/2010 |
| 7693265 | Emitter design including emergency operation mode in case of emitter-damage for medical X-ray application The invention relates the field of electron emitter of an X-ray tube. More specifically the invention relates to flat thermionic emitters to be used in X-ray systems with variable focus spot size and shape. The emitter provides two main terminals (3, 5) which... | 04/06/2010 |
| 7668296 | X ray tube assembly and method of manufacturing and using the X ray tube assembly In one embodiment, an X ray tube assembly is provided. The X ray tube assembly comprises an evacuated envelope, an anode disposed at a first end of the evacuated envelope and a cathode assembly disposed at a second end of the evacuated envelope. The cathode assembly... | 02/23/2010 |
| 7657002 | Cathode head having filament protection features A cathode assembly including certain features designed to protect the integrity of a filament contained therein is disclosed. In particular, the cathode assembly is configured to prevent damage to the filament should it inadvertently contact another portion of the c... | 02/02/2010 |
| 7657003 | X-ray tube with enhanced small spot cathode and methods for manufacture thereof An x-ray source produces a well-defined electron beam, without an undesirable halo. The x-ray source includes a housing, a cathode disposed within the housing, an anode spaced apart from the cathode for accelerating electrons emitted from the cathode and an x-ray em... | 02/02/2010 |
| 7609815 | High brightness—multiple beamlets source for patterned X-ray production Techniques for controllably directing beamlets to a target substrate are disclosed. The beamlets may be either positive ions or electrons. It has been shown that beamlets may be produced with a diameter of 1 μm, with inter-aperture spacings of 12 μm. An array of s... | 10/27/2009 |
| 7539286 | Filament assembly having reduced electron beam time constant A filament assembly for use in an x-ray emitting device or other filament-containing device is disclosed. In one embodiment, an x-ray tube is disclosed, including a vacuum enclosure that houses both an anode having a target surface, and a cathode positioned with res... | 05/26/2009 |
| 7529345 | Cathode header optic for x-ray tube A cathode header optic for an x-ray tube includes an elongate trench with opposite trench walls. A cup recess is formed in the trench between the opposite trench walls, and has a bounded perimeter. A cathode element is disposed in the trench at the cup recess. The c... | 05/05/2009 |
| 7512215 | X-ray tube electron sources An X-ray tube includes an emitter wire (18) enclosed in a suppressor(14, 16). An extraction grid comprises a number of parallel wires (20) extending perpendicular to the emitter wire, and a focusing grid comprises a number of wires (22) p... | 03/31/2009 |
| 7508917 | X-ray radiator with a photocathode irradiated with a deflected laser beam An x-ray radiator has an anode that emits x-rays, a cathode that thermionically emits electrons upon irradiation thereof by a laser beam, a voltage source for application of a high voltage between the anode and the cathode for acceleration of the emitted electrons t... | 03/24/2009 |
| 7486774 | Removable aperture cooling structure for an X-ray tube An x-ray tube having a removable aperture structure that can be detached from a portion of the x-ray tube without damaging either component is disclosed. The aperture structure includes heat conducting surfaces in communication with a coolant supplied to the fluid r... | 02/03/2009 |
| 7469040 | X-ray tube for high dose rates, method of generating high dose rates with X-ray tubes and a method of producing corresponding X-ray devices X-ray tube (11/12) for high dose rates, a corresponding method for generating high dose rates with X-ray tubes (11/12) as well as a method for producing corresponding X-ray devices (11/12), in which an anode (31/32) and a cathode (21/2... | 12/23/2008 |
| 7450690 | Reduced focal spot motion in a CT X-ray tube An x-ray tube assembly is provided comprising a tube casing assembly including a plurality of vertical mount posts. An insulator plate is mounted to the plurality of vertical mount posts such that the insulator plate can translate vertically on the posts. A cathode ... | 11/11/2008 |
| 7424095 | Modular X-ray tube and method of production thereof Modular X-ray tube (10) and method for the production of such an X-ray tube, in which an anode (20) and a cathode (30) are arranged in a vacuumized inner space (40) situated opposite each other, electrons (e−) being produced ... | 09/09/2008 |
| 7412033 | X-ray radiator with thermionic emission of electrons from a laser-irradiated cathode An x-ray radiator has a vacuum housing that can rotate around an axis, a cathode that thermionically emits electrons upon irradiation thereof by a laser beam, an anode that emits x-rays upon being struck by the electrons, an insulator that is part of the vacuum hous... | 08/12/2008 |
| 7403595 | X-ray tube system with disassembled carbon nanotube substrate for generating micro focusing level electron-beam Disclosed is an X-ray tube system with a disassembled carbon nanotube substrate for generating micro focusing level electron beams. A housing provides a vacuum space. An anode forms an electric field by a voltage applied from the outside and accelerates the electron... | 07/22/2008 |
| 7397898 | X-ray generator and method An x-ray tube comprises an envelope, an anode target rotatably mounted within the envelope, and a cathode and window assembly mounted within the envelope and spaced relative to the anode. The cathode and window assembly includes an electrically insulative ceramic ba... | 07/08/2008 |
| 7366280 | Integrated arc anode x-ray source for a computed tomography system An imaging system includes a gantry rotating around an object on a table. A cathode emitter is coupled to the gantry and generates an electron beam. An anode, also coupled to the gantry, is stationary with respect to the cathode emitter and generates an x-ray flux i... | 04/29/2008 |
| 7359485 | X-ray generating method and X-ray generating apparatus An electron beam with a circular cross section is flattened to form a flat electron beam with a flattened cross section. Then, the flat electron beam is irradiated onto a target, thereby generating an X-ray. Since the flat electron beam has high energy density, the ... | 04/15/2008 |
| 7359484 | Devices and methods for producing multiple x-ray beams from multiple locations An x-ray generating device includes at least one field-emission cold cathode having a substrate and incorporating nanostructure-containing material including carbon nanotubes. The device further includes at least one anode target. Associated methods are also describ... | 04/15/2008 |
| 7352846 | Filament for X-ray tube and X-ray tube having the same A coiled filament for an X-ray tube has a varied coil pitch to obtain a good uniformity of the longitudinal temperature distribution. The filament has a central region including plural turns having a same coil pitch, and end regions which include plural turns each o... | 04/01/2008 |
| 7346147 | X-ray tube with cylindrical anode A linear source of x-rays is disclosed wherein an elongated filament, mounted within a cylindrically formed anode, provides electrons around the filament, and along the length of said filament. The anode that comprises a high Z material such as gold, receives the el... | 03/18/2008 |
