9 results about "UVC Radiation" patented technology

The present invention provides a device, system, and method of using the same that can safely and effectively transmit therapeutic or germicidal ultraviolet (UV) radiation, such as UVC radiation or UVA radiation. [Solution] The treatment device comprises a base component and a head component. The head component has a distal portion and a proximal portion. The distal portion of the head component is configured to contact the target eyelid, and the proximal portion is configured to be attached to the base component. The distal portion of the head component is configured to transmit a therapeutic dose of energy from a plurality of energy sources, including an ultraviolet C (UVC) radiation source, an infrared (IR) radiation source, and an ultrasonic source. The plurality of energy sources are configured to transmit a therapeutic dose of energy to the target eyelid at a predetermined output when the distal portion of the head component contacts the eyelid.

The invention discloses an efficient inactivation method for microorganisms on the surface of a sterile bottle, which comprises the following steps: S1, cleaning the surface of the sterile bottle by using clear water and a neutral cleaning agent, and drying the surface by using compressed air until no residual moisture exists; s2, 250-260 nm low-pressure mercury lamp equipment is fixed to the side wall of the refrigerating chamber, a lamp tube and the bottom face of a sterile bottle are kept horizontal, the radiation range covers the bottom of the bottle, the input voltage is 200-240 V, and the working frequency is 50-60 Hz; s3, adjusting the power output of the low-pressure mercury to be 30-80% of the rated power, recording the initial irradiance value range to be 10-50 [mu] W / cm < 2 >, and measuring and calibrating the irradiance by using a standard irradiatometer; s4, a low-pressure mercury lamp is started to continuously irradiate the bottom face of the sterile bottle, the irradiation time is calculated according to the inactivation dosage and the actually-measured irradiance, the low-pressure mercury lamp is fixed to the side wall of the refrigerating chamber, it is ensured that a lamp tube and the bottom face of the sterile bottle are kept horizontal, the distance and the included angle are controlled, and uniform and effective covering of UVC radiation on the bottom face of the sterile bottle is achieved; therefore, irradiation dead angles can be eliminated to the greatest extent.

A system for illuminating with UVC radiation plants on a ground, the system comprising: a platform which comprises a mounting frame (6) and is movable over the plants and the ground and towards a first direction (F); one or more UVC projectors (3) mounted on the mounting frame (6) and configured to generate UVC radiation and collimate and project it downwards towards the plants and the ground; two or more reflector assemblies (7) which are mounted on the platform and arranged below the one or more UVC projectors (3) and between the mounting frame (6) and the ground, and are configured to reflect non-collimated radiation which is emitted by the one or more UVC projectors (3) has a directional component towards a second direction (A) which is perpendicular to the first direction (F). Also, a use of the system, and a method.

The current invention relates to a packaging for a sterilizable object, comprising: a bag, which bag comprises at least two opposing walls, wherein each wall has a thickness of at least 10 μm and at most 60 μm and is made of an ultraviolet-C (UVC) transmissive thermoplastic polymer, the at least two walls defining a first compartment for receiving the sterilizable object; and a UVC indicator, which UVC indicator comprises a photochromic ink suitable for changing color after exposure to UVC radiation. The invention also relates to a use of the packaging.

The invention relates to an irradiation-resistant solvent-resistant polycarbonate composition as well as a preparation method and application thereof, and belongs to the technical field of compositions of high-molecular compounds. The radiation-resistant and solvent-resistant polycarbonate composition disclosed by the invention is prepared from the following components in parts by weight: 90 to 100 parts of polycarbonate, 0.05 to 1 part of polybutylene terephthalate, 0.05 to 1 part of a triazine ultraviolet light absorber and 0.02 to 1 part of a phosphite stabilizer, the melt mass flow rate of the polybutylene terephthalate under the conditions of 250 DEG C and 2.16 kg is greater than or equal to 12 g / 10 min. The polycarbonate composition has good mechanical properties and excellent solvent resistance after being subjected to UVC radiation.

The elevator car (1) comprises an input device (2) arranged on a first car side wall (4) and a UVC radiation device (3) arranged on the car roof (6) for irradiating the input device (2) with radiation in the UVC range. The UVC radiation device (3) has a plurality of UVC-LEDs (7) as radiation sources arranged next to each other in the horizontal direction. The UVC-LEDs (7) are arranged in the UVC radiation device (3) in such a way that the radiation direction points upwards. Each radiation source is assigned a reflector (13) embodied as a concave mirror. The UVC-LEDs (7) and the reflectors (13) are mounted in a box-shaped housing (10).

Provided are instrument treatment systems, the systems including an insertable portion, the insertable portion being configured for insertion into the bore of a medical imaging system, the insertable portion comprising at least one source of UVC radiation, the insertable portion optionally being constructed to as to be essentially non-interactive with and non-affect by a magnetic field of the medical imaging system. Also provided are related methods of operating the disclosed systems as well as methods of sanitizing the internal bore of a medical imaging system, such as a magnetic resonance system.

The present invention discloses a fast air sterilizing apparatus based on a chamber for the circulating air stream sterilization which comprises from a UVC radiation source, which is focused by reflection on a filter grid made out of pure quartz microfibers which is 90% transparent by the UVC radiation, it produces through constructive interference a multi diffraction pattern with points of amplified relative intensity and this multi diffraction pattern irradiates deeply onto a new type of HEPA filter, with the result of destroying and eliminating all of the trapped into the filter pores pathogens such as microbes, fungi (aspergillus, Candida), Clostridium difficile, bacteria and viruses including SARS COV 2.

A method for the sterile connection of a cut end (13) of a silicone tube (1) with a connection element (2), the method comprising sterilizing the cut end (13) using ultraviolet C (UVC) radiation (5) and then connecting the cut end (13) with the connection element (2), thereby providing an adhesive-free connection. A device for implementing the method, the device comprising an operating chamber within which are arranged: a tube support configured to receive a silicone tube (1), an additional support configured to receive a connecting element (2), a UVC radiation source (5) configured to sterilize the silicone tube, and a driver configured to move the supports relative to each other. The UVC radiation (5) may comprise VUV (vacuum ultraviolet) radiation. UVC radiation can also cause surface activation of the silicone tube (1). The connecting element (2) can be a second silicone tube.