199 results about "Pneumoconiosis" patented technology

The invention provides a method and a device for measuring the concentration of coal dust in a mine based on data fusion. The method comprises the steps of measuring the concentration of particles with the particle size a which is greater than or equal to 5 microns and the concentration of small particles with the particle size a which is less than or equal to 5 microns by collecting the scattering light energy near the coal dust which forwards + / - 8 degrees and backs + / - 180 degrees; preprocessing light signals; setting the number of nerve cells on a hidden layer of a nerve network; performing nerve network training identification on collected sample information to be treated so as to gradually reduce an error to be within a required range; correcting nerve network data fusion model parameters acquired by multiple layers of forward nerve networks BP according to Rosin-Rammler function distribution of the particle size of the coal dust; calculating the concentration of the coal dust in the space by inputting the concentration value of the large particles and the concentration value of the small particles into a corrected nerve network data fusion model. The method and the device realize reasonable dust measurement and control on a coal mine and have an important significance for control over the pneumoconiosis possibility of workers.

The invention discloses a medicine-and-food dual-purpose preparation for treating pneumoconiosis, clearing away the lung-heat and nourishing the heart and a preparation method for the medicine-and-food dual-purpose preparation. The medicine-and-food dual-purpose preparation is made of aizoon stonecrop herb, herba houttuyniae, polygonatum kingianum, polygonatum odoratum, platycodon grandiflorum, almond, radix glycyrrhizae, lilies, folium mori, white fungus, coix seed, citrus, mint and green tea. The medicine-and-food dual-purpose preparation can be used as a medicine and has the functions of clearing away the lung-heat, relieving cough and reducing sputum and the functions of promoting blood circulation to remove blood stasis, nourishing the heart and smoothing the sphygmus. The medicine-and-food dual-purpose preparation is also healthy food. The raw materials adopted by the medicine-and-food dual-purpose preparation are medicine-and-food medicines, can be eaten for a long time and cannot generate any toxic and side effect on a human body. The medicine-and-food dual-purpose preparation is healthy and health-protection; the lung organ is stimulated to secrete mucus and promote sputum excretion through functions of the components, and the self-cleaning function of the lung is realized; the blood is purified; the oxyhemoglobin saturation is enhanced; the heart can be protected from being injured; therefore, the medicine-and-food dual-purpose preparation has the effects of preventing and treating the pneumoconiosis and cardiovascular diseases.

The invention discloses a CT image processing system for pneumoconiosis, and the system comprises an image processing server which comprises a CPU, a graphic processor and a DICOM reading-writing unit connected to the graphic processor, wherein the DICOM reading-writing unit reads a CT image from the graphic processor and analyzes the CT image; a CT image preprocessing unit which carries out the gray scale inhomogeneity correction, denoising and artifact removing of the CT image analyzed by the DICOM reading-writing unit; an image segmenting unit which carries out the pulmonary parenchyma segmentation, pulmonary nodule segmentation and pulmonary nodule false positive target segmentation of the CT image after preprocessing; a depth network learning unit which extracts the high-dimensional features of a sub-image block where a pulmonary nodule region is located after the segmentation; and an SVM classification unit which receives the high-dimensional features for classification. The system is high in classification precision of the data of the CT image, and is stable in robustness.

The invention relates to a healthy tea and preparation method thereof, specially to a healthy tea for treating asthma cough and preparation method thereof. Asthma cough is a common respiratory disease, and the disease can be caused by trachitis, emphysema, pulmonary heart disease, bronchiectasis, pulmonary fibrosis, and pneumoconiosis; the incidence of asthma cough is highest when climate is dry or cold in spring and winter, and the disease is most common in middle-aged and aged people. Taking traditional Chinese medicine theories as a guide and combining with the long-history Chinese tea drink culture, the healthy tea for treating asthma cough of the present invention is elaborately prepared from main materials of tea and honey, and medicinal materials of glycyrrhiza, bamboo leaf, sterculia lychnophora, loquat leaf, rabdosia rubescens, Chinese yam, cinnamon, artemisia capillaries, radix adenophorea, balloonflower, tangerine peel, rhizoma pinelliae, and fritillaria. The healthy tea can effectively improve human immunity, eliminate inflammations in pulmonary tracheae and bronchus, so that treatment effects of dispersing phlegm, dispelling crux, relieving asthma and stopping cough are achieved.

The invention relates to an in-classroom and out-of-classroom integrated interaction system based on big data analysis which consists of a teacher end, a student end and a parent end. The system is used for integrating in-classroom and out-of-classroom activities, and problems of a conventional teaching mode can be well solved through information technology and big data analysis technology; efficiency of teaching, learning and supervising can be improved. Teachers teaching is not limited to in-classroom teaching, writing with chalk is not required, and pneumoconiosis can be prevented.

The invention relates to a method for extracting and analyzing nidus areas in pneumoconiosis gross imaging. The method comprises the following steps that the feature vector F1 of a 2k-1 dimension is calculated, pre-training is carried out, a feature vector F2 is calculated, a support vector machine classifier h0 used for judging whether an area is the nidus areas or not is trained, multi-classification support vector machine classifiers h1-hk used for judging an area class are trained, the pneumoconiosis gross imaging is input, the features of the nidus areas are extracted, the nidus areas are classified, and statistical characteristic calculation is carried out on the nidus areas. Spatial expansion is carried out on image pixels to from small surface element areas, the surface element areas are classified by the trained classifiers, the surface element areas with the low classification confidence coefficient are finely processed, and the different nidus areas are extracted accurately. The method is high in efficiency, small in error and free of man-machine interaction.

The invention discloses a dust-suppression foaming agent used for coal mine excavating work surfaces. The dust-suppression foaming agent comprises the following raw material ingredients in percentage by weight: 15 to 20 percent of sodium dodecyl benzene sulfonate, 20 to 25 percent of lauryl sodium sulfate, 2 to 4 percent of wetting agent, 1 to 3 percent of foam improver, 1 to 2 percent of sodium cellulose glycolate and 50 to 60 percent of water. All ingredients are proportionally mixed and uniformly stirred at the room temperature. The generation of dust can be suppressed from a source. The invention can effectively prevent the diffusion of the dust and inhabit the occurrence of pneumoconiosis for easy-dust-generation operation places such as work surfaces of integrated mining and integrated excavating. The foam is fine and has small grain diameter and high viscosity, the dust grains with small grain diameter can be easily humidified, the absorption performance on the dust is strong, the foam coverage surface is wide, foaming times are high, the maximum foaming times can reach 12 times, the dust suppression efficiency on full dust is as high as 96 to 99 percent, and the dust suppression efficiency on respiratory dust is as high as more than 90 percent.

The invention provides a lung tissue image segmentation method based on deep learning, and belongs to the technical field of medical image segmentation. The lung tissue image segmentation method comprises the steps that an X-ray chest radiograph image is input into a segmentation model, the segmentation model is obtained through training of multiple sets of training data, and each set of trainingdata in the multiple sets of training data comprises the X-ray chest radiograph image and a corresponding gold standard used for identifying lung tissue; and output information of the model is obtained, and the output information comprises a segmentation result of the lung tissue in the X-ray chest radiography image. According to the lung tissue image segmentation method, the segmentation of the lung tissue of the X-ray chest radiography is realized through an improved Deeplabv3+ deep learning method, and the problems of local convergence and false positive segmentation when the lung tissue issegmented by using a traditional method are solved; the lung tissue image segmentation method respectively obtains 95.3% of MIoU and 94.8% of MIoU on the public data set and the pneumoconiosis data set; and the false positive problem of the FCN network is solved, and the segmentation accuracy of ribs at the thoracic diaphragm angle and on the X-ray chest radiography in the SCAN network method isimproved.

The invention mainly relates to a dust reducing and removing device for a mine, in particular to a wet type dust collector for a crag lane or a half coal crag lane suitable for tunneling a working face of the crag lane or the half coal crag lane. The wet type dust collector is formed by combining an air intake pipe assembly, a frame, a wet filter type dust collector, an axial flow fan and a water quality filter component, wherein the wet filter type dust collector, the axial flow fan and the water quality filter are all arranged on the frame; the air intake pipe assembly consists of an air intake square pipe I, an air intake square pipe II, an air intake square pipe III and a negative pressure air duct; the air intake square pipe I, the air intake square pipe II, the air intake square pipe III and the negative pressure air duct are connected in turn; an air inlet at the front of the axial flow fan is connected with the negative pressure air duct; and an air outlet of the axial flow fan is connected with the wet filter type dust collector. The device has efficient dust removing effect, greatly improves the visibility of a tunneller operator, further improves the work efficiency, effectively prevents production workers from pneumoconiosis and plays an important role in ensuring physical and mental health of the workers for tunneling the working face and safe production of a coal mine.

The invention discloses a micro fluxgate lung magnetic signal detection device which comprises a lung magnetizer (1), a micro fluxgate lung magnetic signal detection sensor (2), a circuit system (3) of the micro flux-gate lung magnetic signal detection sensor and a data acquisition and processing system (4). The lung magnetizer (1) is adopted for magnetizing the lung to be detected and magnetized signals are converted to electrical signals through the micro fluxgate lung magnetic signal detection sensor (2). The electrical signals are amplified and filtered through the circuit system (3) of the micro fluxgate lung magnetic signal detection sensor, and then the signals enter the data acquisition and processing system (4) for A / D conversion, storage and analysis. The micro fluxgate sensor based on the micro-fabrication technology, adopted in the invention, replaces the conventional fluxgate sensors and superconducting quantum interference devices and has a resolution being up to a level of 10<-11>T. The micro fluxgate lung magnetic signal detection device is mainly applied to the fields of the early diagnosis of pneumoconiosis, the index measurement of dust in the environment, status judgment of lung functions, identification and judgment of other lung diseases, and the like.

The invention relates to a traditional Chinese medicine for treating pneumoconiosis and drug-tolerant pulmonary tuberculosis and a preparation method thereof, which improve and eliminate the pathological residues through the synergy of all medicine according to the dialectic theory of the traditional Chinese medicine, thus leading the body fluid and other organic substances to be transferred to the lung and achieving the effect of rapidly relieving and getting rid of disease and health recovery. The traditional Chinese medicine prepared in the invention comprises the raw materials with weight ratios as follows: 8-12 parts of cordyceps sinensis, 3-7 parts of tokay, 250-350 parts of Pinellia tuberifera, 25-300 parts of Chinese wolfberry, 250-350 parts of Bletilla hyacinthina reichb, 15-50 parts of balloon flower, 3-20 parts of mulberry bark, 3-20 parts of shizandra berry, 250-350 parts of liquorice root, 45-55 parts of bulb of fritillary, 15-25 parts of almond, 15-25 parts of Tatarian Aster Root, 25-35 parts of coltsfoot, 15-25 parts of Blackberrykiky Rhizome, 8-12 parts of root of straight ladybell, 8-12 parts of dried orange peel, 8-12 parts of sugared sesame powder, 10-20 parts of polygala tenuifolia, 8-12 parts of red tangerine peel, 15-25 parts of ginkgo seed, 15-25 parts of trichosanthes kirilowii shell, 15-25 parts of white muscardine silkworm, 8-12 parts of placenta hominis, 4-8 parts of Scutellaria baicalensis, 8-12 parts of radix peucedani, 8-12 parts of perilla seed.

The invention discloses a heavy type intelligent environmental-friendly grain moving and purifying system. The impurities in the grain materials are separated through a screening device, then the grain materials are concentrated through a winnowing device, and the output grain after being cleaned reaches a national standard. Negative-pressure gathering points are arranged at the positions at which impurities and dust leak at the feeding positions and discharging positions of a dedusting device, the screening device and the winnowing device. Multilevel gathering and recycling on impurities and dust are conducted through the dedusting device, a separating device and a tail gas purifying device, and the emitted tail gas reaches an emission standard of national environmental protection. The functions of large processing quantity processing and protecting environment are achieved. Dust pollution in field operation environment is controlled effectively, and the effects of controlling the occurring frequency of professional pneumoconiosis is achieved. The product performance is improved greatly, and the development of industry technology is accelerated. The market share of the product is facilitated, the added value of the product is increased at the same time, and both the economic benefit and the social benefit of an enterprise are improved.

Methods are disclosed for treating, preventing or reducing the risk of developing occupational lung diseases, such as pneumoconiosis. In several embodiments, the methods include administering a therapeutically effective amount of the suppressive ODN to a subject having or at risk of developing a pneumoconiosis, thereby treating or inhibiting the pneumoconiosis. In several examples, thee subject can have or be at risk of developing silicosis, asbestosis or berryliosis. The method can include selecting a subject exposed to, or at risk of exposure to, inorganic particles, including, but not limited to silica, asbestos, berrylium, coal dust, or bauxite.

The invention discloses a dust removing method and a device of cantilever-type comprehensive mechanized development machine; limited sealing space is formed among the external space of the cutting head of the development machine, the development machine body and the coal rock body; the dust powder produced in the process of cutting and smashing the coal rock through the cutting head of the development machine is sealed in the sealing space; the dust powder in the sealing space is removed through the spraying dust removing device; the dust powder in the sealing space is pumped out through the dust removing fan and purified. The invention can greatly reduce the dust powder produced in the cutting process of the development machine, prevent the dust powder dispersing in the working environment and effectively intercept the dust powder flying so as to purify the air and prevent the operator suffering from pneumoconiosis. The device has higher economic and social benefits.

The invention discloses a healthy tea and a preparation method thereof, and in particular relates to a healthy tea for treating old lung disease and a preparation method thereof. Old lung disease is the general term of respiratory diseases, such as chronic bronchitis, emphysema, pulmonary heart disease, bronchiectasis, pulmonary fibrosis, pneumoconiosis and the like. The old lung disease more and more affects the daily life of a patient due to being associated with the symptoms of cough, air deficiency and the like year after year and with the addition of the development of the disease per se. The healthy tea for treating old lung disease is guided by the traditional Chinese medicine theory and is refined from raw materials of honeysuckle, liquorice, scaphium scaphigerum, dried pineapple, loquat leaf, rabdosia rubescens, cinnamon, oriental wormwood, indigowoad root, platycodon grandiflorum, dried orange peel, rhizoma pinellinae praeparata, bulb of fritillary, tea and honey. The healthy tea can effectively improve human body immunity, and eliminate the inflammation of lung trachea and bronchus, thereby achieving the curative effect on removing phlegm and relieving cough.

The invention relates to a detection method of pneumoconiosis nodules. The method comprises the following steps: S1, converting a CT image of a DICOM format into a lung image of a numpy array format,and reading CT image data information; S2, carrying out morphological operations to obtain a parenchyma image retaining only lung parenchyma; S3, dividing the parenchyma image into multiple small blocks of small-block images; S4, sending the small-block images into a convolutional neural network for screening and diagnosis of the pneumoconiosis nodules, and obtaining a detection result; and S5, storing the detection result as a csv format. According to the method, the number of the pneumoconiosis nodules and coordinate areas where the same are located are detected through converting, the morphological operations and screening of the CT image, automatic diagnosis of a pneumoconiosis symptom is realized, and the problem that pneumoconiosis identification requires massive medical resources isalleviated.

The present invention relates to a new Chinese Tibetan medicine-chongcao qingfei capsule with the functions of moistening lung, supplementing qi, relieving cough and asthma for curing pulmonary diseases of acute and chronic bronchitis, pulmonary emphysema, pneumoconiosis, tabacosis pulmonum and pneumosilicosis, etc. Said new type Chinese Tibetan medicine is made up by using 100 traditional Chinese Tibetan medicinal materials of stemona root, bletilla tuber, oyster shell and others through a certain preparation process.

The invention provides a composition for preventing pneumoconiosis and a preparation method thereof, wherein the composition is prepared from cordyceps militaris, frosted mulberry leaves, tea polyphenols, gingkgo, fructus monordicae extracts, barbary wolfberry fruits, peach kernels, apricot kernels, and malto dextrin, and the preparation method comprises the steps of: (1) soaking the gingkgo, barbary wolfberry fruits, frosted mulberry leaves, peach kernels and apricot kernels in water; (2) heating the soaked materials to be boiling, leaching, then carrying out flocculation precipitation on leach liquor, and concentrating a supernatant fluid into a thick paste; (3) continuously adding water into the rest materials, heating and leaching; (4)mixing and concentrating the two-time extracts into a thick paste, carrying out vacuum drying and then crushing; (5) sieving the extract, and fully mixing with the cordyceps militaris nano powder, malto dextrin, tea polyphenols and fructus monordicae extracts; and (6) fully mixing the extract with the mixture to be uniform, mixing with alcohol, and palletizing. The composition has an obvious free radical scavenging action, reduces ceruloplasmin, obviously restrains pneumoconiosis fibrosis, and greatly improves the respiratory symptoms of patients with pneumoconiosis.

The invention discloses a mining dust collection device and a mining dust collection method. The mining dust collection device comprises a dust collection tank, a multifunctional liquid storage tank and an efficient filtering tank, wherein a high-pressure spray head, a rough filtering net and a fine filtering net are sequentially mounted from top to bottom inside the dust collection tank; the diameters of the rough filtering net and the fine filtering net are equal to each other; the edges of the rough filtering net and the fine filtering net are clung to the inner cylinder of the lower shellof the dust collection tank; a gap is formed between the inner cylinder and the lower shell of the dust collection tank; the left side wall of the lower shell of the dust collection tank is communicated with a first conveying tube; a first electronic valve is mounted on the first conveying tube; the right end of the inner cylinder of the lower shell of the dust collection tank is communicated witha fifth conveying tube; the fifth conveying tube penetrates out from the lower shell of the dust collection tank and is divided into two branches rightwards; one branch is communicated with the multifunctional liquid storage tank through a third electronic valve; the other branch is communicated with the efficient filtering tank through a fourth electronic valve. Two different dust collection methods can be selected according to different mounting modes of the device, and residents or staff in mining areas can be prevented from breathing diseases such as pneumoconiosis.

The invention discloses multifunctional atomization treatment medicine leading-in equipment for pneumoconiosis treatment. The atomization treatment medicine leading-in device comprises an atomizationmedicine box and an atomizer body arranged at the top of the atomization medicine box, a mist gathering cover is arranged outside the atomizer body, the mist gathering cover is fixedly arranged at thetop of the atomization medicine box in a sealed mode, a suction pipe is arranged at the bottom of the atomizer body in a penetrating mode, and the bottom end of the suction pipe extends into the atomization medicine box and is fixedly connected with a liquid suction ball head. According to the invention, atomization treatment of long-time inhalation can be carried out on a patient, which is beneficial to ensure more ideal efficacy, a liquid medicine can be continuously stirred and uniformly shaken, so that the phenomenon that the liquid medicine is precipitated is prevented, the atomized liquid medicine can give full play to the medicine effect, the liquid medicine can be heated so as to meet the breathing requirements of different patients, and the problem that a patient feels uncomfortable after the cold atomized liquid medicine is inhaled into the body in the past is solved.

The invention discloses a visual lung washing machine for preventing leakage and lung injury, which comprises a pressure control device, a flow control device, a temperature control device, a time control device, an image real-time monitoring device, a lung lavage and pumpback device and a multi-cavity bronchial tube. By adopting the visual lung washing machine for preventing the leakage and the lung injury, the lung washing time is obviously shortened, a standardized lung washing device and a lung washing flow are provided for the treatment on pneumoconiosis, and the problems that consumed lung washing time is long, the washing efficiency is low, and the probability of occurrence of complications is higher at present are solved.

The invention provides a grinding machining method. The grinding machining method comprises the steps that 1, 3D data of a to-be-machined workpiece are acquired; 2, the acquired 3D data and standard 3D data are matched through a computer, and a defective portion is obtained; and 3, the defective portion is machined and ground repeatedly through a machining laser. The invention further provides a grinding machining device. The grinding machining device comprises a robot, 3D imaging equipment, the machining laser and the computer; the robot drives a tool to drive the to-be-machined workpiece todo linear motion on the y axis in the longitudinal direction of the workpiece, 3D point cloud data of the whole workpiece are acquired through the 3D imaging equipment and matched with the standard 3Ddata, and the defective portion is obtained; and the robot moves to the machining position in the y-axis direction, and the machining laser machines and grinds the defective portion repeatedly. According to the technical scheme, full automation is achieved, manpower is saved, pneumoconiosis is eliminated, a large amount of labor cost is reduced, the machining speed is high, and the efficiency ishigh.

The invention discloses an individual dustproof respirator efficiency test experiment device and method, and relates to the technical field of pneumoconiosis prevention and treatment. The experiment device comprises two animal experiment cavities, a connecting pipe and a humanoid respiration simulator, wherein the two animal experiment chambers are a first experiment chamber and a second experiment chamber respectively, and a dust production system is arranged in the first experiment chamber; an individual dustproof respirator filter material is arranged in the connecting pipe and used for filtering dusty airflow flowing through the connecting pipe. The influence of dust on the lung health of a mouse and the dustproof effect of an individual dustproof respirator can be displayed more accurately and visually; experimental results are presented by comparing lung anatomy and pathological sections of the mouse, so that strong visual impact is caused to people, and a greater warning effectis achieved; and meanwhile, in the experiment process, according to the fact that the respiration of the human body is more similar to sinusoidal circulation flow, the accurate simulation of the respiration of the worker during operation is realized by utilizing the humanoid respiration simulator technology, and the experiment result is more accurate.

The invention provides a quantitative evaluation method for a risk of electric welder pneumoconiosis caused by electrowelding fume occupation exposure.The method comprises the steps that risk identification, exposure evaluation, dosage-reaction evaluation and risk characterization are adopted; a statistical distribution test is performed through SPSS software on the basis of on-site detection data of the electrowelding fume concentration to obtain probability distribution of the received fume concentration; a logistic model is selected to serve as a dosage-reaction model of the electric welder pneumoconiosis, model parameters are determined through population epidemiology data, and a dosage-reaction model used for evaluating the electric welder pneumoconiosis caused by electrowelding fume occupation exposure is obtained; Monte Carlo simulation of a carcinogenic risk value is performed by adopting crystal ball software, and the risk of the electric welder pneumoconiosis caused due to the fact that a crowd works in the electrowelding fume exposure environment for a long term is characterized.The quantitative evaluation method for the risk of the electric welder pneumoconiosis caused by electrowelding fume occupation exposure is completely presented for the first time and applied to occupational hazard evaluation of building projects and occupational hazard risk management of the electric welder pneumoconiosis.

The invention discloses a breath training rehabilitation device for a pneumoconiosis patient. The device comprises a bottom plate, vertical plates, an air-blowing pipe and a mounting pipe; the two parallel vertical plates are fixed on the top surface of the bottom plate; a plurality of movable balls are movably arranged in the mounting pipe; one end of the mounting pipe is rotatably connected between the two vertical plates through a pin shaft; the mounting pipe is obliquely arranged; the end, close to the vertical plate, of the mounting pipe is higher than the other end of the mounting pipe;an electric push rod is hinged to the vertical plate; the tail end of a telescopic rod of the electric push rod is rotationally connected with a shell of the mounting pipe; the end, far away from thevertical plate, of the mounting pipe is open, and is in sliding connection with the air-blowing pipe; a positioning bolt used for positioning the air-blowing pipe is spirally arranged on the outer wall of the mounting pipe; and an air-blowing head is arranged at the end, far away from the mounting pipe, of the air-blowing pipe. The device is simple in structure and convenient for breath training of the pneumoconiosis patient; cleaning of the air-blowing pipe is facilitated, so that internal sanitation is ensured; the device is healthy and environment-friendly in use; and the strength of the breath training can be adjusted.

The invention relates to an efficient multifunctional protective mask for avoiding pneumoconiosis and an application thereof. The efficient multifunctional protective mask comprises a mask body provided with a goggle, an exhaust fan, a power supply and a handle, and is characterized in that a smoke and gas exhausting device for exhausting mixed miscellaneous smokes entering the mask body is arranged in a hole of the mask body corresponding to a nose part; the smoke and gas exhausting device comprises a self-locking inner sleeve and a self locking outer sleeve which are separately arranged on the inner side and the outer side of the hole in the mask body and are combined together to form an air discharging pipeline fixed on the mask body, and the smoke and gas exhausting device cooperates with a negative pressure generated by the operation of the exhaust fan on the mask body to exhaust smokes and exhaled gases in the mask body; the inner cavity of the smoke and gas exhausting device is a spiral ventilation structure. Obviously, the efficient multifunctional protective mask provided by the invention fully and exhaustively gives play to blowing and adsorbing effects of front and back surfaces of the exhaust fan, and the three gears of wind speeds can efficiently exhaust smokes and gases and shield light at the same time, so that the health environment of practitioners is protected, and as a protective hat for a welder, a flame gas cutting worker, a paint sprayer and a polisher, the efficient multifunctional protective mask has very good social and economic benefits, and gets extensive promotion and application.

The invention provides umbilical cord mesenchymal stem cells for treating lung diseases and a preparation method thereof. The umbilical cord mesenchymal stem cells provided by the invention can be used for preparing drugs for preventing or treating pneumoconiosis injury and fibrosis. The drugs are high in safety and good in intervention and treatment effect on corresponding diseases when being applied to lung disease treatment, especially pneumoconiosis lung injury and fibrosis thereof, quantitative production can be achieved through mature cell culture technical means, and the medicine has bright application prospects.

The invention provides a dust suction blackboard eraser. The dust suction blackboard eraser comprises an erasing strip and a fixed plate, wherein the erasing strip is fixed on a plate surface on one side of the fixed plate; the fixed plate is further fixedly provided with an electrostatic guide plate and an electrostatic generator; the electrostatic generator is electrically connected with the electrostatic guide plate. The problems that a blackboard and chalks are commonly used for teaching in schools, and a lot of chalk dust is generated in a use process and diseases including pneumoconiosis and the like are easy to cause after the dust is inhaled by a human body, so that the damages to the human body is very great, the pneumoconiosis nearly becomes an occupational disease of teachers and the dust also has larger damages to students are solved. The dust suction blackboard eraser belongs to the field of teaching tools.

The invention discloses fritillaria superfine powder as well as a preparation method and application thereof. The preparation method comprises the following steps: step 1, selecting materials and cleaning; step 2, drying and sterilizing; step 3, grinding and pulping; step 4, pre-freezing slurry; step 5, freezing and drying; step 6, smashing for multiple times into the fritillaria superfine powder with a grain size of 0.5-2 [mu]m. The fritillaria superfine powder is prepared by the preparation method. The fritillaria superfine powder prepared by the preparation method is taken as an only active ingredient to be applied to the preparation of a drug for treating a pulmonary disease. The fritillaria superfine powder disclosed by the invention is used for treating pneumothorax, pulmonary bullous, emphysema, pulmonary shadow, lung cancer, pulmonary heart disease, respiratory failure, pulmonary embolism, pulmonary abscess, pneumonia, neonatal pneumonia, infantile pneumonia, trachitis, asthma, pulmonary tuberculosis, pneumoconiosis and / or interstitial lung disease and has the advantages that the treatment effect is obvious, the condition of a patient is stable, the life quality of the patient is improved, the weight of the patient is increased, the immune function of the patient is improved, and the medication is safe.

The invention relates to a pneumoconiosis expert diagnosis system. The diagnosis system comprises a server, a client and system software, wherein the system software comprises an information input module, an expert database information generation module and an automatic diagnosis module; the information input module is used for completing input of chest radiography information, chest radiography reading opinion and diagnosis results; the expert database information generation module is used for automatically generating an expert database according to the recorded training level data and establishing correspondence between chest radiography characteristic parameters and diagnosis results; the automatic diagnosis module is used for performing automatic calculation by virtue of the expert database data according to key data of the recorded chest radiography and chest radiography reading opinion, and feeding back the diagnosis opinion. The pneumoconiosis expert diagnosis system has the advantages that the correspondence is established between the chest radiography information and the expert diagnosis opinion, the expert database can be formed for performing automatic calculation and feeding back the diagnosis opinion, and a novel expert diagnosis system can be formed and has wide application prospects in clinical popularization and application.