23 results about "Individual dose" patented technology

The invention provides a radioactive source personal dose real-time monitoring device and a radioactive source personal dose real-time monitoring method based on a double-range self-adaptive mechanism. The radioactive source personal dose real-time monitoring device and method are suitable for intraoperative individual dose collection and dynamic evaluation in the tumor radiotherapy process. The device comprises a flexible attaching substrate, a first measuring range detection sub-module, a second measuring range detection sub-module, a self-adaptive scheduling unit, a temperature compensation module, a breathing synchronous correction module and a wireless communication module. The device can respond to different dose intensities in real time and adaptively switch or fuse channels; the collected dose projection is restored to a planned coordinate system through a breathing phase recognition and target region drift model, and dynamic target region dose tracking is achieved; temperature correction and wireless transmission functions are combined, and intraoperative data visualization and postoperative evaluation are supported. According to the invention, the precision and safety of radiotherapy dose monitoring are improved, and the method is especially suitable for radiotherapy management of areas with significant respiration-induced drift or adjacent key organs.

The invention provides a wireless electronic personal dosimeter capable of dynamically adjusting an alarm threshold value and a control method, and relates to the technical field of radiation monitoring. Comprising a detection module used for collecting historical dose data of a user and constructing a personal dose management library. And the wireless communication module is used for extracting accumulated dose data. And the man-machine interaction module is used for setting a fixed alarm threshold value, setting a personalized alarm threshold value according to the real-time accumulated dose and the accumulated dose data, comparing the fixed alarm threshold value with the personalized alarm threshold value in real time, and selecting a lower value as a real-time alarm triggering standard. And the alarming and updating module is used for judging whether the current dose of the user exceeds a real-time alarming triggering standard, if so, alarming, and uploading the current dose to the personal dose management library for updating. According to the invention, through setting the personalized alarm threshold value, the personal dose accumulation risk can be effectively reduced, the personnel in a low-dose environment for a long time can be more effectively protected, and personalized and precise management of radiation protection is realized.

The invention relates to a nuclear medicine medication nursing radioactive operation safety warning and evaluation system. The system comprises a sensing acquisition module, a behavior identification module, a dose evaluation module, a risk evaluation module, a risk grade division module, a warning and intervention module, a data storage and tracing module and a self-adaptive learning module. The system can collect parameters such as environment dose rate, individual dose rate, operation distance and time in real time in the processes of nuclear medicine preparation, split charging, injection and waste liquid disposal, analyze operation behaviors of nursing personnel in combination with action recognition results, dynamically calculate accumulated dose, and improve the accuracy of the operation of the nursing personnel. Risk indexes are constructed by comprehensively considering factors such as dosage ratio, liquid medicine residue activity and violation probability, and graded early warning is carried out; when the risk level exceeds a threshold value, triggering acousto-optic and terminal prompt, and generating an operation log for tracing; the system has data storage and self-adaptive optimization functions at the same time, model parameters can be corrected according to historical risk data, and long-term dynamic optimization is achieved.

Disclosed herein are immediate release oral dosage forms that contain abuse-deterrent and abuse-resistant features. In particular, the disclosed dosage forms can provide deterrence of abuse by ingestion of multiple individual doses. The disclosed dosage forms can likewise provide protection from overdose in the event of accidental or intentional ingestion of multiple individual doses. The dosage forms may also exhibit abuse resistant properties when physically manipulated, and also when physically manipulated and then administered in a manner not consistent with oral dosing. The dosage forms may also exhibit abuse resistant properties when administered in a manner intended to result in administration of the esketamine in a higher than therapeutic dose.

1. The name of the design product: personal dosimeter. 2. The use of the design product: the design product is used for monitoring the personal cumulative dose and dose rate caused by X and γ radiation in the nuclear radiation environment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

The utility model discloses a personal dose monitoring device based on intelligent wearing device, including dosimeter, the dosimeter bottom is equipped with adjustable quick -wearing mechanism, both sides of adjustable quick -wearing mechanism are equipped with connecting seat, be equipped with adjustable wearing mechanism on connecting seat, adjustable quick -wearing mechanism includes base and two embedded blocks, the base top is equipped with adjusting seat, the base inside is opened with movable slot, a plurality of limit posts are fixedly connected on the base inner wall, a plurality of movable round blocks are equipped on the limit post, belong to personal dose monitoring technical field. The personal dose monitoring device based on intelligent wearing device, through embedding the embedded block to the embedding seat, embedded block utilizes the slope and promotes the locking block to remove, and the locking block is locked to the inside of the card slot and is locked, and the convenient quick assembly and disassembly are carried out, and then the angle is adjusted to the adjusting seat, and the operation and use are convenient, thereby can effectively improve the convenience of use.

1. The name of the design product: personal dosimeter. 2. The use of the design product: for monitoring the personal cumulative dose and dose rate caused by X, γ radiation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

1. Name of the product in this design: Personal Dosimeter. 2. Purpose of this design: For monitoring the personal dose (neutron, X-ray and gamma rays) of radiation workers in nuclear technology applications, to ensure the life, health and safety of personnel. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention provides a pharmaceutical formulation that has 0.5-10 Ci (Curies) total activity of 2-(1-{6-[(2-[F-18]fluoroethyl)(methyl)amino]-2-naphthyl }ethylidene)malononitrile (F-18 Flornaptitril) that is suitable for separation into individual doses for use in medical imaging. The invention also includes a process for preparing Curie-scale pharmaceutical formulations of F- 18 Flornaptitril. The process minimizes radiolytic decomposition during the fluorination reaction to facilitate synthesis of F-18 Flornaptitril pharmaceutical compositions with Curie-scale activity levels.

The present invention provides methods for treating a patient having one or more conditions associated with IFNβ expression in the patient, comprising administering to the patient an anti-IFNβ antibody in a dosing regimen sufficient to ameliorate signs and symptoms of the one or more conditions by at least four weeks after initiation of treatment with the anti-IFNβ antibody, wherein the dosing regimen includes multiple individual doses separated by at least one week from each other, as well as formulations suitable for such methods.

1. The name of the design product: personal dose alarm (HAW-30OM Plus). 2. The use of the design product: radiation measuring instrument for personal radiation dose or radiation dose rate alarm of X, Y, neutron and other rays. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention belongs to the technical field of dose management, and particularly relates to a personal dose management system software personnel admission judgment method. The internal and external irradiation dose data are integrated, and when a person wearing the dosimeter enters and exits the control area, the exit reader automatically uploads the external irradiation data to the system. The system supports personnel and RWP information management, information is added in a single entry mode, an Excel batch import mode or an interface butt joint mode, and parameters such as an access state and a dose limit value are configured. A person needs to pass dual verification before entering the control area, wherein the dosimeter needs to meet system registration, non-control state and effective verification. A dose limit value adopts a default or self-defined threshold value, and after multi-level verification, a system side is allowed to enter an operation area to form a complete radiation safety management and control closed loop. The system has the advantages that the system judges the dosimeter information, the personnel information and the RWP information, the control area is allowed to enter when it is ensured that the dosimeter information and the personnel information are registration information in the system, and the safety and reliability of the system are improved.

The present invention is directed to an individual dose pod for use with an automatic brewing machine. The pod includes a cup, at least one pharmaceutical active ingredient, and a lid which seals the pharmaceutical active ingredient inside the cup and provides a barrier against environmental factors.

The present invention relates to a beta radiation personal dose equivalent H p (3) A secondary standard ionization chamber and a quantity transfer method, belonging to the field of metrological measurement technology, comprises the following steps: S1, establishing a physical model of human tissue and a phantom, and obtaining the H of a typical β nuclide under the phantom at an incident angle of ‑45° to +45° by simulation calculation. p (3) / D T Conversion coefficient database; S2, place the ionization chamber under the β radiation field, place the phantom next to the rear end of the ionization chamber, and calculate the corresponding D at the measurement point based on the electrometer current reading T ; S3, according to D T The measurement result is multiplied by the conversion coefficient of the corresponding β nuclide in the database at the corresponding incident angle to obtain H at the measurement point. p (3) The agreed value; S4, placing the monitoring device in the β radiation field, close to the phantom, and achieving value transfer by calculating the relative inherent error, statistical fluctuation, and angular response of the monitoring device. The use of the ionization chamber and value transfer method provided by the present invention can ensure that the measurement results of the radiation monitoring device are accurate and reliable.

1. Name of the product in this design: Radiation Tester (Card-type Personal Dosimeter with β Detection Window). 2. Purpose of this design: Primarily used for testing radiation. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the design points: bottom view.

The invention relates to the technical field of medical ring dosimeters, in particular to an operating device of a hand ring dosimeter for external irradiation personal dose monitoring, the operating device fixes the hand ring dosimeter through a mounting assembly, and a disinfection part and an identification generation part are arranged in the operating device. A first sliding seat and a second sliding seat in the operating device are connected with the mounting assembly through a detachable structure; the first sliding seat and the second sliding seat are arranged on the rotating arm in a sliding mode, the rotating arm is supported on the lifting seat in a rotating mode, and the lifting seat is arranged on the lifting driving part. The operation device moves the hand ring dosimeter to the identification generation part, and wearer information is generated on the identification part of the hand ring dosimeter; and the operating device moves the hand ring dosimeter into the disinfection part for soaking and disinfection.

The invention discloses a thermoluminescence personal dose automatic measurement system and method. The system comprises an automatic loading module, an automatic transfer module, an automatic disassembly and assembly module, an automatic annealing module and an automatic analysis module. The automatic sheet loading module is used for loading a dose sheet into a cartridge holder; and a thermoluminescent crystal is arranged in the dosage piece. The automatic transfer module is used for transferring the cartridge holder; the automatic dismounting and mounting module is used for dismounting and mounting the thermoluminescent crystal; the automatic annealing module is used for annealing the thermoluminescent crystal; and the automatic analysis module is used for sorting the annealed thermoluminescent crystals. According to the invention, old crystals in the dosimeter can be automatically split, and meanwhile, new crystals are filled. The whole process is fully automatic, the working efficiency is greatly improved, and the labor cost is reduced.

The invention belongs to the technical field of nuclear power radiation protection, and provides a nuclear power plant personal dose control value prediction method based on deep learning in order to solve the problems that in the prior art, static threshold setting cannot adapt to complex operation scenes, and personalized prediction is lacked. Preprocessing the in-out record data and extracting category features and numeric features to obtain an input feature vector; constructing a multi-modal deep learning model; training the multi-modal deep learning model by using a mean square error loss function; and performing preprocessing and feature extraction on task information of a to-be-predicted worker, and inputting the task information into the trained multi-modal deep learning model to obtain a personal dose control value prediction result of the to-be-predicted worker. According to the method, dynamic and personalized dose prediction can be realized, and the accuracy and safety of radiation protection of the nuclear power plant are remarkably improved.

This invention provides a device and method for real-time monitoring of individual radiation source dose based on a dual-range adaptive mechanism, suitable for intraoperative individual dose acquisition and dynamic assessment during tumor radiotherapy. The device includes a flexible attachment substrate, first and second range detection submodules, an adaptive scheduling unit, a temperature compensation module, a respiratory synchronization correction module, and a wireless communication module. The device can respond in real time to different dose intensities, adaptively switching or merging channels; through respiratory phase recognition and target drift modeling, it projects the acquired dose back to the planning coordinate system, achieving dynamic target dose tracking; and combined with temperature correction and wireless transmission functions, it supports intraoperative data visualization and postoperative assessment. This invention improves the accuracy and safety of radiotherapy dose monitoring, and is particularly suitable for radiotherapy management in areas with significant respiratory-induced drift or near critical organs.

The utility model relates to a thermoluminescent personal dose box which comprises an outer shell and an inner shell. The whole shell is cylindrical, and the two ends of the shell are hemispherical. The shell comprises an upper shell and a lower shell which are hermetically connected with each other; the inner shell comprises a dosage piece placing plate and a positioning plate, and a plurality of dosage piece placing grooves are formed in the dosage piece placing plate; a slot is formed in the positioning plate, and the dosage piece placing plate is inserted into the slot; the positioning plate is mounted in the shell; the whole shell is cylindrical, has an axisymmetric structure, and can meet the requirement of photon radiation for nondirectivity; the shell comprises an upper shell and a lower shell which are matched through a sealing ring to realize sealed connection, so that water and dust can be prevented from permeating; the dose box is made of a non-transparent material and has good light shielding performance.

The invention provides a medical radiation protection early warning method and device based on personal dose monitoring, and is applied to the technical field of data processing. According to the method, the standardized dose monitoring sequence is generated through multi-source data fusion and adaptive filtering, and then the individualized radiation accumulation model is constructed through Monte Carlo simulation and stratified sampling. On the basis of time-dose dependence characteristics, a linear quadratic model is coupled with a dose rate correction term to construct an evaluation equation, and the key organ absorbed dose is calculated in combination with a dynamic dose conversion matrix. Through data comparison, abnormal signals are identified, damage acceleration factors are defined, health archives are combined for grouping, a random forest algorithm is used for constructing a personalized early warning model, finally graded early warning and protection suggestions are output, and a complete early warning chain is formed.

The invention discloses an automatic calibration method for a personal dosimeter, and belongs to the technical field of personal dosimeters. Comprising the following steps: keeping the relative position of a detector in a personal dosimeter and an exemption source in a standard source tool unchanged; starting a calibration mode, and collecting an accumulated dose value in unit time; calculating the time difference between the time when the standard source tool is used for calibration last time and the time when the standard source tool is used for calibration, and determining the attenuation coefficient of an exemption source in the standard source tool according to the time difference; calculating an error value between the accumulated dose value collected last time and the accumulated dose value collected this time, and judging whether an error range meets an error requirement or not according to the attenuation coefficient; if not, the correction coefficient is changed, the accumulated dose value is collected again within the unit time, the error value is calculated, and calibration is completed until the error requirement is met. According to the invention, measurement errors caused by performance drift of the detector can be timely found and corrected through an automatic calibration process which is periodically triggered or triggered by a user.

1. The name of the design product: personal dose alarm (NC-200M). 2. The use of the design product: radiation measuring instrument for personal radiation dose or radiation dose rate alarm of X, Y, neutron and other rays. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.