40results about How to "Reduce Radiation Damage" patented technology

The invention belongs to the field of medical image processing, and provides a differential CT image enhancement method based on noise level, which comprises six steps of data preprocessing, construction and training of a denoising network, construction and training of a super-resolution network, construction and training of a noise level classification network, CT image enhancement and data post-processing. According to the method, the noise level of the CT image is judged, different deep learning algorithms, namely a denoising or super-resolution model, are used for optimizing the quality of the CT image, the generalization ability is higher, and more complex and variable input data can be dealt with; data with noise are processed by using various traditional filtering methods and super-resolution pre-training models to obtain gold standard images required by training, so that time and energy are not required to be spent on collecting high-quality gold standard images in advance; the CT value of the output image is calibrated through post-processing operation, it is ensured that the CT value difference before and after enhancement does not affect the accuracy of clinical diagnosis, and compared with other methods without CT value calibration, the method has more practical application value.

The invention relates to a remote control pelvic fracture reduction system, which comprises a man-machine interaction automatic control unit, more than two servo driving systems and more than two pelvic rotary push-pull devices, and the man-machine interaction automatic control unit interacts through a man-machine interaction interface. A reset path automatic planning strategy is formulated based on an artificial intelligence algorithm of a pelvis unlocking reset path, and then servo driving of a high-precision servo motor is provided by each servo driving system according to the reset path automatic planning strategy; then, the pelvic rotating push-pull devices connected with the pelvic rotating push-pull devices are driven to execute axial displacement push-pull reduction actions in respective directions on the pelvic fracture blocks of the patient, so that cooperative and consistent multi-degree-of-freedom space linkage of the pelvic fracture blocks of the patient is completed, and angular rotation and axial push-pull reduction on a plurality of two-dimensional planes under remote automatic control are realized; intelligent, precise and minimally invasive reduction of serious displacement pelvic fracture is achieved, the access threshold of pelvic fracture treatment is lowered, and meanwhile perspective radiation injuries to medical staff and patients are reduced.

The utility model discloses an applicator accessory which comprises a protection disc, the protection disc is arranged on the side, away from an application source window, of an application source back, and a through hole is formed in the position, corresponding to a threaded hole in the application source back, of the protection disc; one end of the first screw penetrates through the through hole and the threaded hole and then is connected with the application source back, the other end of the first screw is provided with a first internal thread connector in the axial direction, and an internal thread through hole is formed in the middle of the first screw in the radial direction in a penetrating mode. One end of the second screw rod is connected with the internal thread interface or the internal thread through hole so as to realize transverse or longitudinal installation of the second screw rod and the first screw rod, and the other end of the second screw rod is provided with a second internal thread interface along the axial direction of the second screw rod; one end of the third screw is connected with the second internal thread connector, and the other end of the third screw is a screw tail. The application source is simple in structure and convenient to assemble, radiation injury to medical staff in the clinical treatment process can be effectively reduced, safety is improved, and clinical application of the application source in the nuclear medicine department is facilitated.

The invention relates to the technical field of medical apparatus and instruments, in particular to a tumor radiotherapy positioning and positioning multifunctional fixing device which comprises a base, a telescopic column is fixedly mounted at the upper end of the base, a supporting plate is arranged at the upper end of the telescopic column, a surrounding plate is fixedly mounted at the upper end of the supporting plate, and a supporting plate is fixedly mounted at the inner end of the surrounding plate. A plurality of through holes are formed in the outer surface of the supporting plate, a bidirectional supporting pipe penetrates through the through holes, a lifting device used for supporting and lifting a patient is arranged at the upper end of the bidirectional supporting pipe, a supporting connecting rod is fixedly installed on the outer surface of the bidirectional supporting pipe, the upper end of the supporting connecting rod is sleeved with a movable pipe, and a pressure reversing device is arranged in the movable pipe; the ball rod is pushed to move upwards through the hydraulic oil, so that limbs of a patient are slowly lifted and fixed, it is ensured that radioactive rays can accurately aim at and irradiate tumor parts, and the treatment precision and effect are improved.

The invention discloses a diagnosis and treatment probe of a targeted HER2 receptor and a labeled precursor, a preparation method and application of the diagnosis and treatment probe, and belongs to the technical field of radiopharmaceuticals. According to a biological orthogonal click chemical strategy, diagnosis and treatment are organically combined, HER2 is used as a target spot to design the nuclear medicine diagnosis and treatment integrated probe, the probe can achieve efficient and high-specificity tumor marking and treatment, and the accuracy and effect of clinical diagnosis and treatment are improved; meanwhile, by reducing accumulation of non-specific radioactive substances in the body, radiation damage to healthy tissue is remarkably reduced, a safe and effective treatment scheme is provided for patients, and potential clinical transformation prospects are achieved.

The invention discloses a method for assisting early judgment of adolescent idiopathic scoliosis based on a walking video. The method comprises the steps of obtaining two-dimensional key point coordinates of an AIS patient; deriving three-dimensional key point coordinates; calculating a corresponding power spectrum index; and obtaining the disease degree of the AIS patient. The method has the advantages that the AIS patient can conveniently monitor the development condition of the own illness state in real time; an AlphaPose system is adopted, and meanwhile, a DLT method is introduced, so that the capability of estimating coordinates of three-dimensional key points can be enhanced; the MAnE algorithm and the MGE algorithm are adopted, the walking characteristics of the AIS patient can be described from the two dimensions of time and space, and the characteristics of abnormal gaits can be obtained more clearly; a computer technology is applied to data acquisition, mathematics is applied to feature calculation, a doctor can be effectively assisted in AIS early diagnosis, a corresponding treatment scheme is formulated, and therefore the monitoring effect and safety can be improved, and the life quality of an AIS patient can be improved.

The invention discloses a gynecological tumor 3D printing implantation guide plate puncture path design method, and relates to the technical field of gynecological tumor radiotherapy. The method comprises the following steps of: A100, filling a vaginal cavity, and acquiring intracavity and pelvic cavity data through CT (Computed Tomography); a200, the position Ti of a puncture target spot is determined, and a virtual puncture model is constructed; a300, modifying the CT data based on the virtual puncture model to enable a puncture path in the puncture model to be different from surrounding tissues, and exporting the modified CT data; a400, a final guide plate model is constructed according to the corrected CT data, and an implantation guide plate is manufactured through 3D printing; the problem that the puncture path of the gynecological tumor implantation guide plate is difficult to design scientifically is solved.

The ablation catheter adapter comprises a supporting seat, a power coupling plate is arranged on one side of the supporting seat, butt joint holes are formed in the power coupling plate, and the butt joint holes are used for exposing a first power shaft, a second power shaft, a third power shaft and a fourth power shaft outside; the catheter supporting device is arranged on the supporting base and used for containing a control handle, the control handle is connected with an ablation catheter, and the control handle comprises a push button and a bending adjusting wheel; the push button driving device is arranged on the supporting seat, is connected with the first power shaft and is clamped with the push button; the rotary driving device is arranged on the supporting seat, is connected with the second power shaft and is connected with the catheter supporting device; the guide pipe bending adjusting driving device is arranged on the supporting seat and connected with the third power shaft and the bending adjusting wheel; and the guide wire driving device is arranged on the supporting seat and is connected with the fourth power shaft. According to the PFA ablation catheter capable of being remotely controlled, an operator can remotely operate the PFA ablation catheter outside an operating room.

The invention relates to the technical field of cables, and provides a high-temperature-resistant cable for photovoltaic power generation, which comprises a conductor, an insulating layer and a sheath, and further comprises a plurality of shading mechanisms and an air cooling mechanism, the shading mechanisms are used for shading the sheath, each shading mechanism comprises a mounting ring and a shading plate, the mounting ring is detachably connected to the outside of the sheath, and the shading plate is detachably connected to the outside of the sheath. The light shielding plate is mounted on the mounting ring, the light shielding plate is movably arranged on the mounting ring, one end of the light shielding plate is fixedly connected with a connecting plate, the other end of the light shielding plate is provided with a connecting port matched with the connecting plate, the connecting plate is detachably connected to the interior of the connecting port, and the air cooling mechanism is used for conducting air cooling on the sheath and comprises a driving shaft and fan blades. The driving shaft is rotationally arranged on the mounting ring, and the fan blades are fixedly connected to the outer portion of the driving shaft. According to the technical scheme, the problem that a photovoltaic cable in the prior art lacks an active cooling part and is easily damaged in a high-temperature light environment for a long time is solved.

This invention relates to a method and system for treating interface contaminants in a mixing and clarification tank, belonging to the field of nuclear fuel reprocessing. The method involves conveying interface contaminants to the final stage mixing and clarification tank via top-tank operation, separating the organic phase, and then returning the liquid containing interface contaminants from the final stage mixing and clarification tank to the organic phase inlet of the first stage mixing and clarification tank. The interface contaminants are dispersed by the agitation of the pump impeller within the mixing and clarification tank, thereby redissolving radioactive materials in the liquid. This invention utilizes in-situ treatment of interface contaminants and recovery of radioactive elements in a mixing and clarification tank, significantly reducing the accumulation of radioactivity in interface contaminants, mitigating radiation damage from organic solvents, and is simple to operate without requiring additional treatment equipment.

The invention relates to a device and method for evaluating the contact direction and contact force of a double-parameter sensor and a balloon catheter, and the double-parameter sensor comprises a central tube elastomer structure, a packaging material, a multimode optical fiber, and a nanometer silver powder reflection layer. The evaluation device comprises the double-parameter sensor, an optical power generation and data acquisition unit and a computer, and the evaluation method combines an array type optical fiber optical power signal with an LSTM neural network model, excavates the change characteristics of a light intensity signal in time, accurately measures and calculates the nonlinear strain and force borne by the elastomer in real time, and calculates the nonlinear strain and force of the elastomer in real time. Three-dimensional reconstruction is carried out according to the strain and force of the elastomer, and the pushing force and torque of the catheter are correspondingly adjusted directly according to the magnitude and direction of the contact force in the navigation or ablation process, so that the problem that the catheter blindly punctures the blood vessel wall in the navigation process or the pulmonary vein opening is insufficiently blocked in the balloon ablation process is solved, and the safety of an operation is ensured.

The invention relates to the technical field of medical treatment, in particular to an intelligent imaging system which comprises an X-ray tube, an intensity attenuation detection module, an image acquisition module and an adjustment control module. The adjustment control module judges whether to adjust the initial current size to obtain the temporary current size by comparing the real-time X-ray intensity attenuation value with the standard X-ray intensity attenuation range, and judges whether to adjust the temporary current size to obtain the target current size based on the image quality of the medical image generated by the X-ray with the temporary current size. According to the X-ray intensity attenuation value and the quality of the medical image, the initial current of the carbon nanotube array is adjusted, so that the radiation damage of X-rays to a human body is reduced while the high-quality medical image is obtained, and the efficiency and the safety of medical diagnosis are improved.

This invention relates to the field of medical device technology, specifically to an abdominal aortic aneurysm stent-assisted positioning device, comprising: an outer sheath; an inner tube and a positioning component coaxially sleeved inside the outer sheath; the proximal ends of the outer sheath and the inner tube being connected to maintain relative alignment between them; the positioning component being sleeved around the outer periphery of the inner tube and capable of sliding between the outer sheath and the inner tube; a through-hole being provided in the center of the inner tube, through which a guidewire can pass and slide within the inner tube. The abdominal aortic aneurysm stent-assisted positioning device provided by this invention has a simple structure and is easy to operate. It can effectively assist in locating the opening of the short iliac branch of the main stent in the abdominal aortic aneurysm cavity, improve the docking efficiency between the short iliac branch of the main stent and the extended iliac branch stent, reduce surgical time and risk, and decrease radiation damage.

The tongue cancer patient radiotherapy tongue depressor structure belongs to the technical field of tongue cancer radiotherapy auxiliary instruments, and comprises a lip baffle and a bite plate. A cooperative positioning mechanism is installed on the side of the bite plate away from the lip baffle. The cooperative positioning mechanism comprises a tongue depressor and two connecting plates fixedly connected to the bite plate. The tongue depressor structure can standardize the opening angle of the patient's oral cavity and standardize the extension position of the patient's tongue, effectively avoiding the problems of tongue micro-motion and body position deviation during the whole radiotherapy process, and ensuring the accuracy and repeatability of radiotherapy positioning. The first drainage tube and the second drainage tube can accurately aspirate sputum and saliva in the patient's oral cavity, prevent sputum and saliva accumulation from inducing stress reactions such as tongue micro-motion and involuntary swallowing, eliminate problems such as tongue displacement and target deviation during radiotherapy, and improve the accuracy of radiotherapy, treatment safety and patient comfort.

The invention relates to the technical field of medical instruments, in particular to an abdominal aortic aneurysm cavity support auxiliary positioning device. An inner tube and a positioning assembly are coaxially arranged in the outer sheath tube in a sleeving manner; the outer sheath tube is connected with the near end of the inner tube, so that the relative positions of the outer sheath tube and the inner tube can be kept consistent; the positioning assembly is arranged on the periphery of the inner tube in a sleeving mode and can slide between the outer sheath tube and the inner tube. A penetrating through hole is formed in the center of the inner tube, and a guide wire can penetrate through the penetrating through hole and slide in the inner tube. The auxiliary positioning device for the abdominal aortic aneurysm cavity support is simple in structure, easy and convenient to operate and capable of effectively assisting in positioning a main body support short iliac branch opening in an abdominal aortic aneurysm cavity, the butt joint efficiency of the main body support short iliac branch and an iliac branch extension support is improved, the operation time is shortened, the operation risk is reduced, and ray damage is reduced.

The invention discloses a characterization method of a microstructure and phase distribution of a lithium-rich manganese-based positive electrode material based on a 4D-STEM technology. According to the method, through a specific sample preparation process, 4D-STEM data acquisition parameter setting, multi-dimensional data processing and crystallographic information reconstruction, characterization of the intrinsic microstructure of the lithium-rich manganese-based positive electrode material with low damage, high spatial resolution and reliable statistics is realized. According to the method, the solid solution and the two-phase / nano-composite structure model can be clearly distinguished, phase distribution, lattice strain and an interface structure can be accurately represented, the limitation of a traditional representation means in structural analysis of the material is solved, and a key technical support is provided for structure-activity relationship research and performance optimization of the lithium-rich manganese-based positive electrode material.

The invention relates to the technical field of chip manufacturing, in particular to a carrier lifetime controlled single vacuum chamber wafer proton irradiation device, which comprises an irradiation vacuum chamber body, and an irradiation vacuum chamber front chamber door is arranged at the left end of the irradiation vacuum chamber body; a wafer storage unit is arranged on the left side of an inner cavity of the circular vacuum irradiation cabin, a beam irradiation unit is arranged on the right side of the inner cavity of the circular vacuum irradiation cabin, and a plurality of wafer trays are stored in the wafer storage unit; an irradiation conveying mechanism is further arranged in the middle of the inner cavity of the irradiation vacuum chamber body and used for moving the wafer trays from the wafer storage unit to the beam irradiation unit and moving the wafer trays back to the wafer storage unit from the beam irradiation unit. The method has the beneficial effects that the service life of a local carrier of the chip can be controlled, the irradiation depth can be accurately controlled, the accuracy can reach + / -1mu m, and the batch, automation, high efficiency and high safety of the irradiation process are realized.

The invention discloses a scintillator detector with a photonic crystal microstructure and a preparation method, and relates to the field of high-energy ray detection.The scintillator detector comprises a scintillator, a transmission layer, the photonic crystal microstructure and a light detection unit, the scintillator is located above the photonic crystal microstructure, and the transmission layer is located above the photonic crystal microstructure; the photonic crystal microstructure is arranged on the transmission layer, and the transmission layer is arranged on the optical detection unit; the scintillator absorbs incident particles and generates an optical signal incident to the photonic crystal microstructure, the photonic crystal microstructure focuses the optical signal and transmits the optical signal to a detection area of the optical detection unit through the transmission layer, and the optical detection unit converts the received optical signal into an electric signal. According to the scintillator detector, the field angle of the optical detection unit is increased by using the photonic crystal microstructure, and the efficiency of the scintillator fluorescence entering the optical detection unit is greatly improved, so that the sensitivity and the signal-to-noise ratio of the scintillator detector are improved.

The utility model relates to the technical field of orthopedic surgery auxiliary equipment, in particular to intelligent knee joint surgery auxiliary equipment which comprises a bottom plate, a containing box is fixedly installed on the upper surface of the bottom plate, a protective cover is movably sleeved on the outer side of the containing box, and a top plate is movably installed on the top of the containing box. A mounting hole is formed in the front end of the upper surface of the top plate, and DR inspection equipment is embedded in the mounting hole. The knee protection device solves the problem that when X-ray shooting is carried out on the knees of a patient through DR, protection is not in place, so that a non-target area is subjected to unnecessary radiation, and potential threats are caused to the health of the patient.

The utility model relates to the field of medical imaging and DSA clinical technology, and discloses a tissue model angle measuring tool which comprises a support. The first rotary table is rotationally connected to the support through a first rotary shaft, and a first angle sensor coaxial with the first rotary shaft is arranged on the first rotary table; the mounting frame is rotationally connected to the support through a second rotating shaft, the second rotating shaft is perpendicular to the first rotating shaft, a second angle sensor coaxial with the second rotating shaft is connected to the mounting frame, a second rotary table is further rotationally arranged on the mounting frame, the tissue model is detachably connected to the second rotary table, and the second rotary table is in transmission connection with the first rotary table through a transmission part. The first rotating shaft, the rotating axis of the second rotating table and the second rotating shaft intersect at a preset point. And by carrying out space angle measurement on the attitude required by the tissue model, the obtained numerical value of the required projection angle in the DSA is more accurate.

The utility model belongs to the technical field of in-vivo implantation of fracture, and discloses an in-vivo implantation device for femoral neck fracture, which comprises a main nail, a first auxiliary nail and a second auxiliary nail, the nail heads of the main nail, the first auxiliary nail and the second auxiliary nail are connected with limit connecting plates, and the nail tails of the main nail, the first auxiliary nail and the second auxiliary nail are connected with bone nail tail limit plates. The limiting connecting plate is further provided with a fastening screw. The femoral neck fracture internal fixation device is small in size, novel in structure and convenient to use and operate, and solves the problems that the femoral neck fracture internal fixation force is dispersed, the femoral neck fracture is easy to shift and cut out and the fixation is not firm by adopting a mode of combining the limiting fixing plate, the limiting fixing sleeve and the bone nail tail limiting plate according to the symptoms of the femoral neck fracture; and the occurrence of postoperative complications such as fracture nonunion and femoral head necrosis is reduced, so that the relative complexity of surgical operation is solved, the radiation injury of medical personnel caused by X-ray fluoroscopy is reduced, and the device is suitable for popularization and application.

According to the collimator control method and device in the spiral scanning mode, the equipment and the medium provided by the embodiment of the invention, the method comprises the steps that scanning parameter data corresponding to a target object are acquired, and the scanning parameter data comprise the scanning length, the reconstruction view field and the depth information of an image to be reconstructed; determining scanning space range information of the target object according to the scanning parameter data; the control strategy of a collimator is determined according to the scanning space range information, the position information of the scanning module and the moving direction of the scanning bed, the scanning module comprises an X-ray light source, the collimator and a detector, the collimator comprises a first collimation blade and a second collimation blade, and the detector comprises a first collimation blade and a second collimation blade; the position information of the scanning module comprises a focal brake distance, a focal point isocenter distance, a focal point detector distance, an X-ray light source width and a collimator opening degree. The absorption of invalid dose by a scanned person is saved to the maximum extent, and then the irradiation damage to the scanned person is reduced.

This invention discloses an irradiation device and a method for testing the performance of radiation detectors and scintillation crystals. The irradiation device includes a housing with several horizontally arranged partitions inside, spaced vertically to divide the housing into several chambers. Each chamber contains an irradiation unit. Each irradiation unit includes a rotating mechanism with a placement slot for placing a radiation source. The rotating mechanism is horizontally rotatable. An operating port is provided on one side wall of the housing, allowing the placement slot to extend out of the housing after the rotating mechanism rotates at a certain angle, facilitating the replacement of the radiation source within the placement slot. The bottom plate of the housing and all partitions have collimation holes corresponding to the placement slots, ensuring that the placement slots are positioned directly above the collimation holes after the rotating mechanism rotates, and all collimation holes are aligned on the same straight line. This invention can be used for scintillation crystal performance testing, radiation detector calibration, and scaling experiments, and can effectively reduce radiation damage to workers.

The invention discloses an intelligent high-frequency arc striking circuit which comprises an MCU, a charging control circuit, a discharging control circuit and a high-frequency inductor. The MCU is used for sending a charging control signal and a discharging control signal; the charging control circuit is connected with the MCU and is used for receiving and processing the charging control signal; the discharge control circuit is connected with the MCU and is used for receiving and processing the discharge control signal; a terminal 1 of the high-frequency inductor is connected with the charging control circuit, a terminal 2 of the high-frequency inductor is connected with the discharging control circuit, and terminals 3 and 4 of the high-frequency inductor are connected with an output main loop of an external electric welding machine. According to the invention, the frequency and voltage control of the high-frequency and high-voltage arcing circuit can be adjusted, different working frequencies and working voltages can be selected according to different use conditions, high-frequency interference can be effectively reduced, and radiation damage to human bodies can be reduced.

The utility model discloses a kind of repair cutters of reactor pressure vessel screw hole thread, comprising: with the base plate component of positioning installation of to-be-repaired screw hole, is equipped with middle positioning hole;It is equipped with the measuring ring of circumferential scale, with base plate component fixed connection, and with middle positioning hole centring arrangement;Tool-path component, insert middle positioning hole, and with measuring ring screw joint to adjust the height position and circumferential position of tool-path component relative to to-be-repaired screw hole;Cutting component, with tool-path component connection and follow tool-path component movement to mill the defect position of to-be-repaired screw hole.By rotating tool-path component relative to measuring ring rotation and lifting to adjust the advance of cutting component, while cutting component is cleaned to damaged screw hole thread, base plate component realizes overall positioning, measuring ring facilitates operator to control the feed speed of tool-path component, ensure the controllability of repair process.The repair efficiency of the utility model is high and effect is good, can reduce personnel exposure time, reduce personnel irradiation injury.

The present invention discloses a methionine fortified feed for improving radiation tolerance of mice, and relates to the field of biomedicine, and the methionine fortified feed comprises a basal feed, methionine, glycine, glutamine, vitamin E, selenium, zinc, and other trace elements and vitamins supplemented according to an AIN-93M formula. The methionine fortified feed capable of remarkably improving the radiation tolerance of the mice is prepared by scientifically and reasonably proportioning the components, is balanced and comprehensive in nutrition and high in oxidation resistance, can effectively relieve radiation injury and improve the survival rate and the radiation tolerance of the mice, and can be used for preparing the methionine fortified feed for improving the radiation tolerance of the mice. Important experimental basis and material support are provided for deeply researching a radiation injury mechanism, screening effective radiation protection medicines and optimizing a radiation treatment strategy.

The utility model relates to a radiotherapy positioning device capable of protecting an oral cavity, the front end of a device main body is provided with a boss, the front end of the boss is provided with a vent hole, and the rear end of the device main body is provided with a concave platform; a tongue depressor is arranged at the rear end of the device body, and the protection mechanism comprises protection plates arranged on the front portions of the upper end and the lower end of the device body; the limiting mechanism comprises a first tooth groove and a second tooth groove which are formed in the rear parts of the upper end and the lower end of the device main body. After the oral cavity protecting plate is placed in the oral cavity, the protecting plate can be placed between the lip and the gingiva, the lip and the gingiva are physically separated, a physical cavity is formed, and therefore physical separation is achieved, and radiation injury is reduced. The tongue depressor abuts against the tongue, limiting of the tongue is achieved, the tongue is prevented from influencing the placing stability of the device, dislocation of the device is avoided, the radiation accuracy is improved, in addition, a physical cavity is formed in the upper portion of the tongue, physical obstruction is formed, and radiation damage is reduced.

This application provides a heterogeneous multi-interface ultrafine-grained high-entropy alloy composite coating and its preparation method. The preparation method includes: (1) cold spraying heterogeneous multi-interface ultrafine-grained high-entropy alloy composite powder onto the surface of a substrate to prepare an ultrafine-grained high-entropy alloy composite coating; (2) heat-treating the ultrafine-grained high-entropy alloy composite coating under a protective atmosphere to obtain a high-performance heterogeneous multi-interface ultrafine-grained high-entropy alloy composite coating; wherein, the heterogeneous multi-interface ultrafine-grained high-entropy alloy composite powder is a composite powder with a heterogeneous multi-interface structure in which high-entropy alloy / refractory metal heterogeneous phase boundaries and ultrafine grain boundaries coexist. This application constructs an ultrafine-grained composite powder with abundant heterogeneous multi-interfaces, and then uses cold spray solid deposition to completely preserve its fine structure, thereby obtaining a heterogeneous multi-interface ultrafine-grained high-entropy alloy composite coating material with ultra-high strength, good ductility and toughness, and multi-functional service characteristics.

The invention relates to the technical field of medical X-ray control, in particular to a ray image control method based on image analysis, and the method comprises the steps: S1, collecting a target part image of a target object based on a plurality of time points; s2, determining a damage center and a damage radius of the image based on the single target part image, and determining a damage area of the target object according to the damage center and the damage radius; s3, determining a movement parameter of the damage center based on the position change condition of the damage center of the plurality of damage part images shot in the time sequence; s4, according to the movement parameters of the injury center and the injury area, determining the movement radius of the injury area of the patient; and S5, determining the irradiation range of the X-ray according to the movement parameter and the movement radius of the damage center. By accurately controlling the irradiation range of the X-rays, the X-rays can be focused to the target area more quickly, and radiation injury of the X-rays to a patient is reduced.