83 results about "Fallout exposure" patented technology

The present disclosure describes methods and apparatus for renal neuromodulation via stereotactic radiotherapy for the treatment of hypertension, heart failure, chronic kidney disease, diabetes, insulin resistance, metabolic disorder or other ailments. Renal neuromodulation may be achieved by locating renal nerves and then utilizing stereotactic radiotherapy to expose the renal nerves to a radiation dose sufficient to reduce neural activity. A neural location element may be provided for locating target renal nerves, and a stereotactic radiotherapy system may be provided for exposing the located renal nerves to a radiation dose sufficient to reduce the neural activity, with reduced or minimized radiation exposure in adjacent tissue. Renal nerves may be located and targeted at the level of the ganglion and / or at postganglionic positions, as well as at pre-ganglionic positions.

A method for sensing physical, chemical, and biological characteristics of an environment is provided. The method comprises using a radio frequency identification (RFID) sensor component having a predetermined range of power initiation levels and having predetermined resonant circuit parameters comprising the steps of activating the RFID sensor component and determining whether a range of power levels, needed for activating the sensor component, is below the predetermined range of power initiation levels; sensing at least one of the physical, chemical, and biological characteristics of the environment; quantifying the sensed characteristic of the environment using one or more selected resonant parameters, wherein the selection of parameters is based in part on the range of power levels needed to activate the sensor.

Methods of and devices for detecting a measurable characteristic of the gas sample. The methods and devices are able to detect a value of or a change of measurable characteristic (e.g., such as chemical concentrations), a change of chemical compositions and / or biological responses of a living organism that are induced by a stressor. The biological responses are able to include cellular stress, damage, and immune responses. The stressor is able to include an exposure to ionizing radiation. The effects of the stressors are able to be monitored in terms of changes in the chemical concentrations and chemical compositions in an exhaled breath. The chemicals are able to function as bio-markers. The chemicals that are to be monitored are able to include nitric oxide, carbon monoxide, carbon dioxide, ethane, and other molecules related to specific disease resulting from the stressor.

Macro- and microfluidic devices and related technologies, and chemical processes using such devices. More specifically, the devices may be used for a fully automated synthesis of radioactive compounds for imaging, such as by positron emission tomography (PET), in an efficient, compact and safe to the operator manner. In particular, embodiments of the present invention relate to an automated, multi-run, microfluidic instrument for the multi-step synthesis of radiopharmaceuticals, such as PET probes, comprising a remote shielded mini-cell containing radiation-handing components.

A stent having a stent body made from a crosslinked bioabsorbable polymer is disclosed. A method of making the stent including exposing a tube formed from a bioabsorbable polymer to radiation to crosslink the bioabsorbable polymer and forming a stent body from the exposed tube is disclosed. The tube can include a crosslinking agent which induces crosslinking upon radiation exposure. Additionally or alternatively, the bioabsorbable polymer can be a copolymer that crosslinks upon exposure to radiation in the absence of a crosslinking agent.

The invention relates to method and apparatus for reconstructing a three-dimensional representation of a target volume inside an animal or human body.Hereto, according to the method step ii) is preceded by the steps of:a1) displaying said first two-dimensional image projection being obtained in step i) for a user using said displaying means,a2) acquiring a first operational orientation setting of said imaging means corresponding with said first imaging position;a3) defining based on said first operational orientation setting a first set of second operational orientation settings of said imaging means for orientation in a second imaging position;a4) selecting from said set one of said second operational orientation settings;a5) using said second operational orientation setting being selected for acquiring said second two-dimensional image projection of said target volume using said imaging means being positioned in the second imaging position corresponding to said second operational orientation setting.Accordingly, with these features an improved reconstructing method is obtained, wherein an optimal set of two-dimensional image projections is obtained and proposed, based on which a correct three-dimensional contour image of said target volume is being reconstructed. Thus with this correct three-dimensional contour image the diagnostician is capable of performing a more accurate diagnosis and subsequent treatment of the patient, which in turn is subjected to a less lengthy imaging treatment session, which is beneficial in terms of radiation exposure time, discomfort, etc.

An imaging method and apparatus, the method comprising collecting detector output data from a radiation detector positioned near a subject provided with a radio-active tracer, and resolving individual signals in the detector output data by (i) determining a signal form of signals present in the data, (ii) making parameter estimates of one or more parameters of the signals, wherein the one or more parameters comprise at least a signal temporal position, and (iii) determining the energy of each of the signals from at least the signal form and the parameter estimates. The acceptable subject to detector distance is reduced or increased, spatial resolution is improved, tracer dose or concentration is reduced, subject radiation exposure is reduced and / or scanning time is reduced.

A radiation exposure history indicator sheet comprises a base material sheet which has a color-changing layer on at least a part of the surface comprising: a polymer compound having a hydroxyl group and at least one group selected from a halogen group and an acetal group; a coloring organic electron donor compound; an active species-generating organic compound for making the organic electron donor compound colored by a radiation; and a radiation absorbent and / or a radiation-excite fluorescent agent.

Drugs and their compositions useful in preventing and treating negative side effects associated with radiation exposure or clinical radiotherapy are disclosed. More specifically, new compounds that can be administered systemically to patients exposed to radiation or undergoing radiotherapy and methods of using these formulations are disclosed.

Methods and kits are provided for assessing radiation injury and exposure in a subject. The methods comprise measuring the levels of at least two (2) protein biomarkers from different biological pathways and correlating the levels with an assessment of radiation injury and exposure. Additional use of peripheral blood cell counts and serum enzyme biomarkers, evaluated in the early time frame after a suspected radiation exposure, and use of integrated multiple parameter triage tools to enhance radiation exposure discrimination and assessment are also provided. The information obtained from such methods can be used by a clinician to accurately assess the extent of radiation injury / exposure in the subject, and thus will provide a valuable tool for determining treatment protocols on a subject by subject basis.

An apparatus and method for automatically loading drums into a drum container, in which, when the drums filled with radioactive waste are loaded into the drum container, the drums are fed to a designated position, and placed at a fixed position, reducing loading time and manpower as well as minimizing radiation exposure risk associated with radioactive waste treatment. The apparatus includes a drum feeder having conveyor modules transferring the drums and a turntable rotating a drum transferred to an orientation where the drum can be gripped, for sequentially loading the drums, a support frame on which a lid of the drum container is placed when the drums are being loaded, and a crane that grips and transfers the drum or the drum container lid.

The invention discloses a 3D print template for surgical puncture. The 3D print template comprises a template body and multiple columns with puncture holes; the columns are divided by seams penetrating through the puncture holes; outer rings are arranged on the outer sides of the columns; the template body is provided with locating rings. The invention further discloses a preparation method of the 3D print template for surgical puncture. By using the puncture template, the surgery time can be obviously shortened, and more importantly, the radiation exposure time of surgeons and patients can be obviously shortened; meanwhile, according to preoperative precise positioning, the puncture times can be reduced, the puncture angle is accurately determined, complications are avoided, and the curative effect is improved. Particularly, for patients suffering from congenital malformation and skeletal injury, the operation feasibility can be defined before an operation, and the puncture accuracy is improved.

A body-worn device comprising a radiation system to determine a raw radiation exposure of a user, and a user characteristic adjustment logic to adjust the raw radiation exposure based on user characteristics is described. The body-worn device in one embodiment further includes a recommendation calculator to determine a recommendation to the user, based on the adjusted radiation exposure.

A radiation detection system may include a mobile device having a flash memory. The device may monitor various characteristics of the flash memory to determine when damage to the flash memory has occurred from radiation exposure. The device may associate damage to the flash memory with a radiation dose, and determine a level of radiation to which the memory, and thus the device, has been exposed. The device also may determine a length of time and locations where the radiation exposure has occurred. If the device determines that the level of radiation exposure exceeds a threshold associated with a safe level of radiation exposure for a human user, the device may generate an alert to the user.

There is provided herein a system and method for obtaining measurements of radiation exposure in real time using OSL and for obtaining improved accurate OSL measurements over a greater range of radiation exposures. In a preferred embodiment a signal-versus-dose response is obtained from an OSL dosimeter that is linear over all doses and does not exhibit saturation effects. The desired response is preferably calculated from the measured OSL-versus-time response from a suitable dosimeter obtained during irradiation. To obtain the desired response from the measured OSL data each measured OSL point has to be corrected for the depletion of the trapped electron concentration that occurs during each illumination period.

The invention discloses a plasma molecular marker combination for predicting radiation damage. The invention provides application of eight target objects (uracil, adenosine, taurochenocholate, cholesteryl sulfate, linoleic acid, mono-2-ethylhexyl phthalate, thymine and 2-deoxyuracil) as biomarkers in the following steps, preparing a product for evaluating a radiation exposure dose, or evaluating the radiation exposure dose; and preparing a product for evaluating the radiation damage condition. The marker combination is advantaged in that mass spectrometry is used for detecting the level of small molecules in specific plasma, and that the eight target objects can serve as plasma biomolecular markers for predicting the radiation dose and the radiation damage degree is found. The method is ofgreat significance for quickly evaluating the irradiated dose and the radiation damage degree of large-scale irradiated crowds in the irradiated early stage after nuclear explosion or nuclear accidents so as to perform classified rescue and treatment and determine a treatment scheme.

The invention belongs to the technical field of biological detection and relates to application of has-miR-320d as a molecular marker for radiation exposure diagnosis. Due to application of has-miR-320d as the molecular marker for radiation exposure diagnosis, radiation exposure diagnosis can be implemented conveniently, rapidly, accurately and quantitatively.

A radiation shield for use in connection with computed tomography (CT) calcium scoring of a target area of a patient is provided. The shield is configured for placement over the target area and over one or more radiosensitive secondary areas adjacent to the target area such that x-rays are transmitted through the radiation shield and the target area for detection by an x-ray detector. The detected radiation can be processed for use in a calcium scoring procedure. The radiation shield is configured to reduce radiation exposure of the radiosensitive secondary areas during the calcium scoring procedure without substantially reducing the accuracy of the calcium score associated with the target area.

Various implementations include a device for holding and supporting a medical instrument in a position. For example, the medical instrument may include a percutaneous procedure apparatus, such as a needle (e.g., biopsy needle, anesthesia needle) or needle holder. In some implementations, the device holds and supports the percutaneous procedure apparatus and liberates the procedure operator's hands from direct beam exposure, which lowers the risk of complications and radiation exposure to patients and procedure operators. The device also increases the effectiveness of the procedure by holding and supporting the apparatus in the intended position.

Disclosed are a composition for the diagnosis of exposure to electromagnetic radiation, comprising an agent capable of measuring the expression level of the diagnostic marker, a diagnosis kit comprising the same, a method for detecting the diagnostic marker, and a method for the diagnosis of exposure to electromagnetic radiation. The diagnostic markers are very useful for monitoring and diagnosing exposure to electromagnetic fields, and can be used as instruments by which physiological mechanisms incurred upon electromagnetic radiation exposure are examined.

The present invention provides a device for displacing healthy or normal tissue away from radiation exposure during brachytherapy. In one embodiment, the device of the present invention comprises an inflatable component attached to the ring of a tandem and ring brachytherapy applicator. When the tandem and ring applicator is inserted, the balloon is deflated so that patient discomfort is minimized. Once the ring is in the correct position, the balloon is inflated and the rectum is displaced. The balloon remains inflated during any image guidance that is performed and for the duration of the brachytherapy treatment. The balloon is deflated prior to the removal of the ring from the body.

Problem to be SolvedThe present invention provides a technique replacing radiation exposure in decreasing or eliminating hematopoietic stem cells in an animal (particularly human) body.Solution A parenteral nutrition formula or an enteral nutrition formula substantially free of valine.

Methods and compositions comprising hematopoietic growth factor proteins and / or protein analogs thereof and / or combinations thereof and angiotensin converting enzyme inhibitors to treat the acute and long term adverse effects of radiation exposure in subjects who have been or will be exposed to radiation are disclosed.