Abstract: A radiation blocking shied for the hands of a clinical operator of fluoroscopic equipment during extended surgery or diagnostic testing.

Abstract: An apparatus for attenuating high energy radiation including an attenuation member for attenuating high energy radiation in a high energy radiation field emitted from a high energy radiation source towards a subject. A control unit is provided for selectively activating the attenuation member. A method for attenuating high energy radiation is also disclosed.

Abstract: A radiation protection device (3) for shielding radiation, in particular X-ray radiation, emitted from a radiation source comprises a first radiation protection panel (1), wherein the first radiation protection panel (1) has at least one recess (14, 15), and at least a second radiation protection panel (2), which is adjustable relative to the first radiation protection panel (1) in such a way that at least one recess (14, 15) can be covered by the second radiation protection panel (2). In a tomography procedure, the radiation protection device (3) according to the invention can be arranged flexibly between a surgeon and a scanner and can thereby protect the surgeon from the emitted radiation of the scanner. In particular, it can be arranged in front of an opening of a tunnel into which an object to be imaged, such as a patient or defined parts of the body of the latter, can be inserted, such that the opening in the direction of the surgeon is substantially covered.

Abstract: Radiation tomography apparatus of this invention has a shield that shields entering of radiation flying from outside of the gantry. The shield is formed of shielding pieces. Consequently, there is no need for manufacturing the shield in a large and expensive furnace. Accordingly, the radiation tomography apparatus may be provided that is easily manufactured and achieves suppressed cost. Moreover, with the radiation tomography apparatus of this invention, maintenance may be performed through removal of the shielding pieces without removing the entire shield.

Abstract: A method and device of shielding an area from radiation are provided. A radiation shield device may include first and second shells at least partially surrounding the area with the second shell being spaced apart from and further away from the area than the first shell. Both the first and second shells include a plurality of coils that are arranged in paired coil groupings and that encircle the area to be shielded from radiation. The coil groupings of the first shell may be configured to support current flow in an opposite direction to that in which the paired coil groupings of the second shell are configured to support current flow. As such, each coil grouping of the first shell has north and south poles that are correspondingly oppositely positioned from the north and south poles of the paired coil grouping of the second shell.

Abstract: Methods and systems for reduced temperature radiation sterilization of stents are disclosed.

Abstract: To include a step of installing a hollow container (1) at a predetermined portion of an object to be shielded (100), a step of feeding fluid into the container (1) via a hose (22) by a fluid feeding unit (2), and a step of transporting and filling a granular shielding material into the container (1) via the hose (22) by supplying the shielding material to the fluid by a shielding-material supply unit (3). With this arrangement, because a shielding material is fed into the container (1) together with the fluid and filled therein at a remote place from the object to be shielded (100), a worker does not need to approach the object to be shielded (100). Further, because a shielding effect is improved by the granular shielding material, an amount of radiation to the worker can be reduced easily and sufficiently.

Abstract: An electromagnetic wave absorbing device includes a ground layer formed of a metal conductor layer, a dielectric layer formed on the ground layer, and a unit cell pattern layer which is formed on the dielectric layer and made of resistive materials, wherein at least two electromagnetic bandgap-based unit cell patterns are periodically arranged on the unit cell pattern layer.

Abstract: An infrared signal blinder that blocks infrared light signals from reaching an infrared receiver that is configured with an electronic device. The blinder includes a hollow body portion having an inner surface and an outer surface, and further having a first open end and second open end. The first open end is larger than the second open end. Further, a base portion is provided at the first open end or the second open end. The base portion includes a bore that is at least partially aligned with the first open end or the second open end. The infrared signal blinder is coupleable to an electronic device configured with an infrared receiver. The infrared signal blinder is configured to shield at least one communication signal from reaching the infrared receiver.

Abstract: A method of partial breast radiation therapy includes placing within a breast cavity a substantially radio-opaque implant constructed of biocompatible material, said substantially radio-opaque implant supporting the tissue surrounding the breast cavity; and directing a radiation beam to said substantially radio-opaque implant serving as a target for delivery of radiation therapy to margins around the breast cavity, such that the radiation beam does not materially irradiate the whole of the breast.

Abstract: A shield for absorbing radiation emitted by a target during operation of a cyclotron. The shield includes an inner box structure having a recess for receiving the target. In addition, the shield includes a first plurality of shield elements arranged in a layered configuration about the inner box structure. The shield also includes an outer box structure for receiving the inner box structure and the first plurality of shield elements. Further, a second plurality of shield elements is arranged in a layered configuration about the outer box structure. The shield elements are arranged in both horizontal and vertical orientations and are removable.

Abstract: Shields that attenuate ionizing radiation (e.g., x-rays, gamma rays, etc.) include outer layers that minimize soiling. Removable shells that minimize soiling of shields for attenuating ionizing radiation are also disclosed. The soil-minimizing outer layers and shells may be formed from materials that resist soiling, that counteract soiling, or from which soiling may be readily removed. Methods for minimizing soiling of radio-opaque shields are also disclosed.

Abstract: A particle beam therapy system that prevents dispersion of a charged particle beam, reduction of the energy thereof, and upsizing of the system and can accurately monitor the opening shape of a multileaf collimator so as to perform high-accuracy particle beam therapy. An image-capturing unit that takes an image of an outer end of a respective downstream side face of a leaf plate is provided for each row of leaves in such a way as to be situated at a position that is at an outer side of an irradiation field; and adjusted in such a way that a foot of a perpendicular line from a viewpoint, of the image capturing unit, to the downstream side face of a leaf plate, is situated at a position that is at an inner side of the position of the outer end when the leaf plate is maximally driven in the departing direction.

Abstract: A radiation shield lid for shielding a radioisotope generator. The radiation shield lid includes an alignment structure configured to align the shield lid to a radioisotope generator.

Abstract: In one embodiment, a system for aligning collimators in an imaging system includes a transmitter coupled to a first detector and configured to transmit a beam, and a receiver coupled to a second detector and configured to receive the beam transmitted from the first detector. The alignment system also includes a cart comprising an alignment device with the cart configured to hold at least two collimators. The system includes a control system configured to align the first and second detectors with the at least two collimators using the alignment device.

Abstract: Disclosed are an electromagnetic wave absorber using a dielectric loss sheet, a method for fabricating the same, and a wind turbine blade having an electromagnetic wave function. The electromagnetic wave absorber comprises: a support layer for providing a resonant space of electromagnetic waves; a highly conductive backing layer assigned to a back surface of the dielectric support layer; and a dielectric lossy composite sheet layer formed on a front surface of the dielectric support layer, said dielectric lossy composite sheet layer having such a dielectric permittivity so as to generate a resonant peak with the electromagnetic waves reflected from the highly conductive backing layer.

Abstract: The invention relates to a material that absorbs electromagnetic waves, characterised in that it includes at least one textile layer printed using at least one conductive ink in accordance with at least one pattern including printed areas and non-printed areas in an arrangement suitable for a corresponding range of absorption frequencies.

Abstract: In one characterization, the present invention relates to a radiation-shielding assembly for holding a container having a radioactive material disposed therein. The assembly may, at least in one regard, be referred to as an elution shield and/or a dispensing shield. The assembly includes a body at least partially defining a cavity. There is at least one opening through the body into the cavity. The assembly may include a cap that at least generally hinders escape of radiation from the assembly through the opening. The cap may be releasably attached to the body in one orientation and may establish non-attached engagement with the body in another orientation. The assembly may include an adjustable spacer system for adapting the assembly for use with containers having different heights.

Abstract: An EMI shielding composite film for use in printed circuit boards has at least two layers, a top layer electrically conductive in all directions (isotropic), and a bottom layer electrically conductive only in the Z (thickness) direction (anisotropic) after thermo-compression. The bottom layer is in contact with the grounding pads of the circuitry of the electronic device to be shielded. The conductive top layer functions similarly to metallic boxes to prevent the electromagnetic radiation from both entering the boxes and escaping into the environment. The bottom layer interconnects the top conductive layer to the grounding pads on the PCB after thermo-compression so that electromagnetic waves collected by the top layer are directed and released to PCB grounding pads through the bottom layer.

Abstract: A method, a product and an apparatus suited to transform radioactive waste by forming an amalgam of crushed hazardous radioactive waste, such as spent nuclear fuel rods, mixed with copious amounts of lead pellets, also granulated, to form a mixture in which lead granules overwhelm, and which is then further enclosed between solid lead slabs and compressed between rollers under high pressure to render the rolled end product a compacted amalgam radiation-free for integration into the environment.

Abstract: The present invention relates to a radiation measurement instrument calibration facility with the abilities of lowering scattered radiation and shielding background radiation and it is capable of providing a suitable environment for performing performance test, calibration and experiment upon a radiation measurement instrument. In an embodiment, the calibration facility comprises: a shielding device, a collimator, a multi-source irradiator, a radiation baffle, a carrier, an electric door unit and a control unit. With the design of the calibration facility of the present invention, the interference coming from the background radiation and scattered radiation in the laboratory during the radiation measurement instrument calibration can be effectively reduced to enhance the accuracy of measurement or calibration for the instrument, and also the instrument calibration and testing can be performed in radiation fields of low-, medium- and high-dose rate levels to meet the requirements of ISO 4037-1 (1996) Standard.

Abstract: This disclosure describes an apparatus and inspection system that is useful to inspection tubes (e.g., boiler tubes). The apparatus can comprise a housing and a pair of translating baffles that engage the outside of the housing. In one embodiment, the housing moves relative to the translating baffles during rotation of the housing to change the orientation of the housing relative to the boiler tubes. The housing and the translating baffles maintain engagement to prevent radiation from leaking out of the housing and into the surrounding environment.

Abstract: A method to obtain gain-corrected measurements. A measurement tool having one or more arrays is provided, wherein the arrays include two co-located triaxial transmitters and two co-located triaxial receivers. Measurements are obtained using the transmitters and the receivers. Impedance matrices are formed from the obtained measurements and the impedance matrices are combined to provide gain-corrected measurements. The apparatus may alternatively be a while-drilling logging tool having one or more arrays, wherein each array comprises a transmitter, a receiver, and a buck, and wherein the signal received by the receiver is subtracted from the signal received by the buck or vice versa. A slotted shield may be incorporated into either embodiment of the tool. The slots may form one or more island elements. A material is disposed in the slots. The islands and shield body have complementary tapered sides that confine the islands within the shield body.

Abstract: A system for attenuating a primary radiation beam applied to a target area on a patient for generating an image of the target area during radiological examination includes a barrier formed of a radiation attenuation material and positionable over the target area to partially attenuate the primary radiation beam before the primary radiation beam reaches the target area. The barrier is configured to substantially extend around an entire periphery of the patient. The system also includes a buffer positionable between the barrier and the patient for offsetting the barrier from the patient. The buffer includes at least one flexible bag configured to retain a fluid. The at least one flexible bag is configured to improve the clarity of the image generated during the radiological examination.

Abstract: Radiation therapy equipment includes a multi-divided irradiation collimator leaf plates for setting irradiation field as approximately close to a target region as possible by avoiding backlashes due to a plurality of gears for driving a plurality of leaf plates. The plurality of leaf plates is respectively connected to a plurality of constant force springs that are coaxially supported by a pair of rotation shafts so as to be constantly forced in a closing direction. Each leaf plate is moved in an opening direction by rolling up a wire connected to the leaf plate.

Abstract: Novel nail gel curing devices and methods of their use are disclosed. Novel shields for nail gel curing devices and methods of their use are also disclosed. The devices and shields are useful for curing nail gels and more particularly where light emitting diode “LED” equipped devices are used to cure UV-VIS curable nail gel resins.

Abstract: Methods and systems for selection radiation exposure in sterilization of medical devices are disclosed.

Abstract: An x-ray tube electron shield is disclosed for interposition between an electron emitter and an anode configured to receive the emitted electrons. The electron shield includes expansion joints to accommodate thermal expansion.

Abstract: A body shield (10) is disclosed for protecting a user from harmful thermal and electromagnetic radiation. The body shield includes a multi-layered core (11) which is surrounded by an outer casing (12). The multi-layered core includes a first layer (14) of a magnetic metal alloy for shielding extremely low frequency electromagnetic radiation, a second layer (15) of a carbon based material for absorbing higher frequency electromagnetic radiation, and a third layer (16) of a non-magnetic material for reflecting higher frequency electromagnetic radiation. The outer casing includes a thermal resistant top layer (18) and a thermal resistant bottom layer (19) sealed around its periphery to the top layer.

Abstract: An integral shutter that is for use in several beamline applications. The shutter combines the features and properties of a pink beam photon shutter, a pink beam safety shutter, a pink beam fixed mask and a pink beam collimator. The device is important for synchrotron radiation facility personal safety. These assemblies are needed to guard against accidental positron beam loss during both injection and normal operation. Positron beam loss can result in high-energy radiation being directed into an experimental station.

Abstract: Disclosed are embodiments of an ion beam shield for use in an ion beam sample preparation apparatus and methods for using the embodiments. The apparatus comprises an ion beam irradiating means in a vacuum chamber that may direct ions toward a sample, a shield blocking a portion of the ions directed toward the sample, and a shield retention stage with shield retention means that replaceably and removably holds the shield in a position. The ion beam shield has datum features which abut complementary datum features on the shield retention stage when the shield is held in the shield retention stage. The shield has features which enable the durable adhering of the sample to the shield for processing the sample with the ion beam. The complementary datum features on both shield and shield retention stage enable accurate and repeatable positioning of the sample in the apparatus for sample processing and reprocessing.

Abstract: The present invention provides compositions for the protection against electromagnetic radiation. The compositions include a polymeric material including a polyamide such as nylon 6 or nylon 6, 6, barium sulfate and magnesium sulfate. The polymeric material upon exposure to incident electromagnetic radiation emits subtle electromagnetic oscillations at probiotic frequencies that counter adverse effects of incident electromagnetic radiation. The polymeric material may be formed into a protective housing for electronic devices and may be formed into protective fabrics.

Abstract: A radiation tunnel of an X-ray test device is shielded in by means of a radiation protection curtain in order that no impermissible radiation emerges. The radiation protection curtain is constructed from plates which are connected to one another in a manner of a downwardly suspended flat-top chain and are produced from a plastics composite that absorbs X-rays.

Abstract: Systems, devices, methods, and compositions are described for providing an x-ray shielding system including a flexible layer including a support structure having a plurality of interconnected interstitial spaces that provide a circulation network for an x-ray shielding fluid composition.

Abstract: An electron gun that serves to reduce the quantity of electron stimulated desorption and accomplishes vacuum evacuation efficiently with a sufficient degree of vacuum. An electron source 1 and an extraction electrode 6 are provided for emitting an electron beam 7 from the electron source 1. A first vacuum chamber 16 containing the electron source 1 is connected to a second vacuum chamber 9 via an aperture 8 provided in the extraction electrode 6. Each vacuum chamber is differentially evacuated with an independent vacuum evacuation means, and the generation of electron stimulated desorption gas 11 is reduced by securing a wide route of vacuum evacuation around the electron source 1 and intercepting the procession of back scattered electrons 12 emitted from the area with the electron beam 7 on the extraction electrode 6 by using a shielding electrode 22 given a prescribed potential.

Abstract: Disclosed herein are embodiments of a radiation shielding lid of a radiation shielding container (e.g., auxiliary radiation shield) designed to house a radioisotope generator assembly.

Abstract: A method comprises attenuating, while involved in a human adversarial situation, one's own emanated electromagnetic field at frequencies less than about 1 gigahertz by wearing one or more articles of apparel that include an electromagnetically shielding fabric. Another method comprises (i) providing to the user the one or more articles of apparel that include an electromagnetically shielding fabric, and (ii) instructing the user to wear at least one of the articles of apparel while involved in the human adversarial situation. The shielding fabric comprises a substantially continuous system of conductive fibers combined with a non-conductive fabric and attenuates the emanated electromagnetic field at frequencies less than about 1 gigahertz. Attenuating the emanated electromagnetic field at frequencies less than about 1 gigahertz decreases the likelihood of that emanated field affecting progress or an outcome of the human adversarial situation.

Abstract: Nuclear gauges, their components and method for assembly and adjustment of the same are provided. The nuclear gauges are used in measuring the density and/or moisture of construction-related materials. The nuclear gauge can include a gauge housing having a vertical cavity therethrough and at least one radiation detector located within the housing. The nuclear gauge can include a vertically moveable source rod and a radiation source operatively positioned within a distal end of the source rod. The nuclear gauge can also include a radiation shield assembly.

Abstract: A superhydrophobic electromagnetic field shielding material includes a curable resin and a carbon material, the superhydrophobic electromagnetic field shielding material including at least two depression patterns on an exposed surface. The at least two depression patterns may include a first depression pattern including a plurality of grooves having a same shape and a second depression pattern including a plurality of grooves having a same shape. The carbon material may be about 3 wt % to about 20 wt % based on the total weight of the superhydrophobic electromagnetic field shielding material.

Abstract: Attenuating, while in a given situation, a person's emanated electromagnetic field and the person's scent or odor, by the person wearing article(s) of apparel that include an electromagnetically shielding fabric. The shielding fabric comprises a substantially continuous system of conductive fibers combined with a non-conductive fabric. The conductive fibers attenuate both the emanated electromagnetic field and the emanated scent or odor. The given situation comprises hunting, animal handling, being in or on a body of water, or a human adversarial situation. Attenuating the person's emanated electromagnetic field decreases the likelihood of that emanated field affecting progress or an outcome of the given situation. Attenuating the person's emanated scent or odor decreases the likelihood of that emanated scent or odor affecting progress or the outcome of the given situation.

Abstract: A cryogenically cooled radiation shield device as well as an associated method are provided in order to shield an area, such as a space vehicle capsule, from radiation. The radiation shield device may have embedded cryogen storage. The radiation shield device may include inner and outer coil shells that extend about the area to be shielded. Each coil shell includes coils formed of a superconductive material and disposed within respective first conduits. The radiation shield device may also include a first storage tank configured to store a first cryogen liquid and disposed in fluid communication with the first conduits. The first storage tank is disposed between the inner and outer coil shells. The radiation shield device may further include a second conduit at least partially surrounding the inner and outer coil shells that is at least partially filled with a second cryogen liquid, different than the first cryogen liquid.

Abstract: An apparatus for control of a procedure, comprising: a communications interface; a control console, wherein the control console is adapted to provide control commands via the communications interface to at least one of: at least one imaging device or at least one medical instrument used to perform the procedure; and, at least one radiation shield attached to the control console and positioned between the control console and a patient on which the procedure is being performed, wherein the apparatus is separately movable from at least one of the at least one imaging device, the patient or the at least one medical instrument.

Abstract: Blackbody calibration standard including a main absorber and a secondary absorber, wherein the main absorber is comprised in a cavity and the secondary absorber is comprised in a cavity and the secondary absorber is arranged such that it surrounds the cavity comprising the main absorber.

Abstract: A sensor housing (10) in which a radiation sensor can be inserted through a sensor aperture (28) has blocking means (30, 32) that can move between an open position and a closed position. When the blocking means (30, 32) are in the closed position they prevent radiation from passing out of the sensor aperture (28). The blocking means may take the form of shutters that that close when the radiation sensor is removed, thus stopping radiation from passing through the housing (10).

Abstract: A panel for functioning as a barrier to radiation includes at least one layer for restricting the passage of radiation, and the layer for restricting the passage of radiation may be a layer of silicone impregnated with metal, such as tungsten and/or iron. The impregnated silicone layer may be mounted to and supported by at least one other structure of the panel. For example, the impregnated silicone layer may be positioned between, and laminated to, other layers of the panel. In one embodiment, the impregnated silicone layer is positioned between foam layers of the panel to form a core, and the core is positioned between exterior layers of the panel. One or more exterior layers of the panel may be in the form of sheet metal or any other suitable structure.

Abstract: The invention relates to a molded radiation protection element. Provision is thereby made for the base body to be a plate-shaped, metal plate-shaped or film-shaped base body comprising a cut, which encompasses a square, rectangular or a different geometric shape and for the base body to encompass a first surface side, which is provided with a coating, which consists of a first non-metallic material.

Abstract: Irradiation device for proton and/or ion beam therapy, said device comprising a radiation source, a beam guiding device, and a therapy room comprising a treatment site and an access, wherein the therapy room is arranged in a first plane, and the treatment beam is directed into the therapy room from a second plane above or below the first plane, and oriented towards the treatment site so that the treatment beam is directed away from the access. In the therapy room, a shielding is provided, which is open towards the treatment site and associated with the entrance region of the treatment beam into the therapy room so that the access is arranged on the side of the shielding opposing the treatment site, and a labyrinth leading from the access to the treatment site is provided laterally offset to the treatment beam proceeding in the therapy room and to the shielding.

Abstract: The present invention relates to a method for obtaining a shielding element for minimizing the penumbra of a beam of hadrons outside a target area, the hadron beam being guided in a longitudinal direction by an irradiation unit, and the beam having a width (?). The method includes: (i) defining a closed or open contour of said target area; (ii) providing a block having a longitudinal thickness capable of blocking the passage of said beam and having a lateral surface perpendicular to said longitudinal thickness; (iii) forming an aperture of a shape similar to said contour and crossing said longitudinal thickness of said block for letting through said beam, said aperture forming a longitudinal internal surface; and (iv) trimming said block so as to form a longitudinal external surface around said longitudinal internals surface, said longitudinal internal and longitudinal external surfaces delimiting a side wall.

Abstract: An X-ray shield for a horizontal X-ray procedure table includes a horizontal support bar for attachment thereto a first depending X-ray opaque curtain and a second support bar, the second support bar being moveably attached to the horizontal support bar to enable movement of the second support bar in both horizontal and vertical directions.

Abstract: A high voltage insulator and radiation shield made of barium sulfate composite having a polymer matrix and barium sulfate therein. The device may be made by casting. By means of use of various combinations of barium sulfate, other radiologically resistant materials, polymers, and third components, the physical, radiological and electrical properties of the finished products may be tailored to achieve desired properties. In addition, the invention teaches that radiation shielding, insulators, and combined radiation shield/insulators may be fashioned from the composite. A wide range of production methods may be employed, including but not limited to liquid resin casting.