G21F1/125

Interactive interventional shield
11244769 · 2022-02-08 ·

Disclosed is a radiation protection barrier. The radiation protection barrier includes at least one plain panel, each including an elongate frame, and a protective sheet attached to the elongate frame. The radiation protection barrier also includes at least one interventional panel coupled to the at least one plain panel, each of the at least one interventional panel(s) including an elongate frame, a protective sheet movably arranged on the elongate frame, a pair of sterile gloves arranged at an intermediate portion of the protective sheet, and a window configured on the protective sheet under the pair of sterile gloves. The radiation protection barrier further includes a plurality of wheel arrangements coupled to the elongate frames of the at least one plain and interventional panels.

RADIATION PROTECTION APPARATUS AND MATERIALS THEREFOR

The present invention relates to rigid structures and composite materials thereof for providing radiation attenuation/shielding. Some embodiments pertain to a radiation shielding apparatus including: a plurality of positionable radiation-shielding stacks of tiles. The stacks are subsequently and adjacently arranged in a contiguous configuration. A tile positioning mechanism allows movement of tiles within a stack between a stacked (retracted) position and an extended position. In the extended position, the tiles of each of the plurality of radiation shielding stacks at least partially overlap tiles of subsequent and adjacent tile stack at corresponding opposing side-margins thereof.

Functional footwear unit

The invention relates to a functional footwear unit, in particular in the form of knit-of-parts, which has preferably a particularly modular protective function against chemical and/or biological toxic and/or harmful substances, especially warfare agents. The invention also relates to the uses thereof.

FUEL DESIGN AND SHIELDING DESIGN FOR RADIOISOTOPE THERMOELECTRIC GENERATORS
20210391092 · 2021-12-16 ·

Provided is a fuel design configured to have a thickness that is equal to or less than a mean-free path of electrons emitted by a radioactive energy source to prevent electrons produced thereby from being stopped within the fuel design and thus decreasing the intensity of bremsstrahlung radiation generated within the fuel design. Additionally provided is a two-phase shielding system including a first shield formed of a first material having a thickness exceeding a mean-free path of an electron emitted from a radioactive source material so as to prevent the electron from passing through the first shield, and a second shield formed of a second material configured to prevent bremsstrahlung radiation generated by the electron from passing through the second shield.

METHOD FOR MITIGATING PASSIVE INTERMODULATION
20210380847 · 2021-12-09 ·

Materials and methods for mitigating passive intermodulation. A membrane for reducing passive intermodulation includes a first polymeric layer, a second polymeric layer, and a continuous metal layer encapsulated between the first and second polymeric layers. A self-adhesive radio frequency barrier tape includes a waterproof polymeric top layer, a metal-containing layer adhered by an adhesive layer to the polymeric top layer, a pressure sensitive adhesive layer adhered to the metal-containing layer, and a release liner on a bottom surface of the pressure sensitive adhesive layer. A method of mitigating passive intermodulation includes passing a probe over an area of interest, the probe being sensitive to an intermodulation frequency of interest, and identifying a suspected source of passive intermodulation when the amplitude of the probe output exceeds a threshold at the frequency of interest. The method further includes covering the suspected passive intermodulation source with a radio frequency barrier material.

Tungsten sheet and radioprotective clothing

A tungsten sheet includes a tungsten layer. The tungsten layer includes a binder resin and a plurality of tungsten particles included in the binder resin. A tungsten composition amount of the tungsten layer is at least 70% by mass (wt %). An average particle diameter of the plurality of tungsten particles is more than 1 μm and less than 15 μm.

HIGH-PASS RADIATION SHIELD AND METHOD OF RADIATION PROTECTION
20220165442 · 2022-05-26 · ·

A high-pass radiation shield for using during radiological examinations is provided. The shield comprises: a first sublayer having a first radiation attenuation material of atomic number from 21 to 30; and a second sublayer having a second radiation attenuation material of atomic number 56 or greater. The weight of the second radiation attenuation material is not greater than the weight of the first radiation attenuation material. The shield is configured for placement on a patient's body over the entire or a portion of the field of view (FOV) for protection of the organs, especially radiosensitive organs against radiation dangers emitted by an X-ray tube without degrading image quality. custom-character

RADIATION SHIELDING OVERLAY AND METHOD OF MANUFACTURE
20220165441 · 2022-05-26 ·

A radiation shielding overlay for a portion of a valve controller or a valve assembly. The radiation shielding overlay includes a layer including a base material and a second material infused within the base material. The base material has a first density and the second material has a second density higher than the first density, increasing a density of the layer. The layer is adapted to be disposed over a surface of a housing of a valve controller or a valve assembly, such that the layer blocks radiation from reaching a component disposed within the housing.

SYSTEM AND METHOD FOR STERILITY TESTING OF RADIOACTIVE MATERIALS

The invention relates to a system for testing the sterility of radioactive substances, to the use of the system for testing the sterility of radioactive substances, preferably radioactive pharmaceuticals and/or diagnostic agents, and to a method for testing the sterility of radioactive substances, wherein the system comprises an isolator (8) having a device for membrane filtration (9) and a filter bottle (1) surrounding the shield (5) against ionising radiation.

Atomic number (Z) grade shielding materials and methods of making atomic number (Z) grade shielding

In some aspects, this disclosure relates to improved Z-grade materials, such as those used for shielding, systems incorporating such materials, and processes for making such Z-grade materials. In some examples, the Z-grade material includes a diffusion zone including mixed metallic alloy material with both a high atomic number material and a lower atomic number material. In certain examples, a process for making Z-grade material includes combining a high atomic number material and a low atomic number material, and bonding the high atomic number material and the low atomic number together using diffusion bonding. The processes may include vacuum pressing material at an elevated temperature, such as a temperature near a softening or melting point of the low atomic number material. In another aspect, systems such as a vault or an electronic enclosure are disclosed, where one or more surfaces of Z-grade material make up part or all of the vault/enclosure.