12 results about "Pulmonary respiration" patented technology

The invention relates to the technical field of automatic identification of animal behaviors, in particular to an automatic identification method for pulmonary respiration behaviors of giant salamanders, and the method comprises the steps: obtaining an initial video image of a target region; preprocessing the initial video image to obtain a standard video image; performing feature enhancement on the standard video image to obtain an enhanced feature image; performing multi-scale respiratory behavior feature extraction on the enhanced feature image to obtain depth feature maps of different scales; performing multi-level feature aggregation on the depth feature maps of different scales, and generating an aggregated feature map; and generating an identification result based on the aggregated feature map. According to the method, the problems that the omission ratio of manual monitoring of the breathing behavior in a night low-contrast scene is high and long-term efficient and objective monitoring is difficult to realize due to night walking and cave habits of the giant salamander are solved.

The invention relates to the technical field of data processing, in particular to a double-cavity trachea cannula ventilation state data processing method which is executed by a computer system and comprises the following steps: acquiring a pulmonary respiration related sound-sensitive sensing signal associated with a double-cavity trachea cannula and position associated parameters of a cannula detection end and target lung tissue; based on the deviation between the position correlation parameter and a preset reference parameter, performing deviation compensation on the sound-sensitive sensing signal through a preset signal adjustment algorithm, and outputting an optimized signal; and carrying out feature extraction and anomaly judgment on the optimized signal, and finally outputting monitoring data and early warning information containing a judgment result. According to the method, accurate compensation, efficient analysis and intelligent judgment of sound-sensitive sensing signals are achieved through a computer system, the problems that in traditional double-cavity trachea cannula monitoring, the signals are prone to being interfered by position deviation, and the abnormal recognition precision is low are effectively solved, reliable ventilation state monitoring support can be provided for clinic, and diagnosis and treatment safety and efficiency can be improved in an assisting mode.

The application discloses a kind of lung respiratory compliance value detection data processing methods, comprising the following steps: setting experimental animal grouping situation and each group quantity requirement, set data exception and exclusion standard;Run a level experiment, obtain a level experimental data and judge according to a level acceptance standard, obtain a level processing result;Carry out two levels of experiment, obtain two levels of experimental data and judge according to two levels of acceptance standard, obtain two levels of processing result;Carry out three levels of experiment, obtain three levels of experimental data and judge according to three levels of acceptance standard, obtain three levels of processing result;According to the processing result of each level obtained in the above steps, the final result of test substance is obtained.The method of the application constructs the specific method of lung respiratory compliance value detection data processing, guarantees data quality from the source, improves accuracy through hierarchical verification, and provides reliable efficacy evaluation basis.

The utility model belongs to the technical field of medical apparatus and instruments, and concretely relates to a gas circuit device for simulating lung respiration demonstration, which comprises three-way valves, connecting pipes and air bag simulation lungs. The air bag simulation lungs are multiple and are respectively paired with the multiple three-way valves. The pipe opening at one end of the first three-way valve is connected with the pipe opening of the second three-way valve through the connecting pipe. The pipe opening at the other end of the three-way valve is connected with the air bag simulation lung. The gas circuit device is connected with the breathing machine, the various valves and clamps are adjusted, and the corresponding waveform changes and other parameters in the digital display screen of the breathing machine are observed, so that the correlation between the breathing machine setting and the pathological state of the lung of the sick child is understood, the gas circuit device of the simulation lung has high visibility and operability in the teaching machine training, and helps to cultivate the clinical thinking and practical ability of the trainees.

The invention belongs to the technical field of industrial water treatment, and particularly relates to a microbial carrier for enhancing mass transfer and application thereof. The microbial carrier for enhancing mass transfer provided by the invention comprises a hydrogel carrier and a microbial stationary phase embedded in the hydrogel carrier, wherein the hydrogel carrier is provided with micro cavities and micro pore channels (communicated pore channels). According to the microbial carrier for enhancing mass transfer, in an up-flow fluidized bed reactor, due to the shear force action of fluid flowing and rising, cavities and pore channels in hydrogel particles form a dynamic fluid channel, periodic'inhalation 'and'exhalation' processes are generated, and an efficient mass transfer environment with a synergistic effect is formed; according to the mass transfer mode similar to pulmonary respiration, the hydrogel carrier in the reactor continuously updates internal reactants and products, so that the activity and metabolic efficiency of microorganisms are remarkably improved.

The application is a kind of simulated breathing human device with aerosol injection function, comprising a human body half model, a simulated lung breathing device is arranged in the torso of the human body half model, a nasal cavity air pipe and an oral cavity air pipe are arranged in the head cavity of the human body half model, an opening and closing valve is arranged on the nasal cavity air pipe and the oral cavity air pipe, the nasal cavity air pipe and the oral cavity air pipe are connected with the simulated lung breathing device through the air pipe, the nasal cavity air pipe is communicated with a nasal cavity, the oral cavity air pipe is communicated with an oral cavity, further comprising an aerosol injection device communicated with the nasal cavity, a detection membrane box is arranged at the upper end of the head cavity of the human body half model, the detection membrane box is connected with a sampling point at the trachea of the neck, a sampling point at the upper part of the nasal cavity and a sampling point at the oral cavity through a sampling pump device and a sampling pipeline, and a filter membrane is arranged in the detection membrane box. The application realizes aerosol injection and sampling in the simulated process such as breathing, and provides a physical experimental device for virus transmission mechanism research.

The present application relates to the technical field of drug efficacy and activity testing, and discloses a method for evaluating the biological activity of a pulmonary surfactant. In the method for evaluating the biological activity of a pulmonary surfactant provided by the present application, neonatal rabbits with pulmonary surfactant deficiency are selected as experimental subjects, and the effect of a test pulmonary surfactant on improving lung compliance in the neonatal rabbits is assessed through pulmonary administration; the experimental data results are used as the basis for evaluating whether the drug efficacy and biological activity meet requirements. The method provides high accuracy, reproducibility, and sensitivity, involves simple operational steps, and has broad applicability.

The utility model discloses a respiratory training device for chronic obstructive pulmonary disease, and relates to the technical field of respiratory training for chronic obstructive pulmonary disease, according to the respiratory training device for chronic obstructive pulmonary disease, an air blowing head is connected with an air inlet adjusting assembly, one side of the air inlet adjusting assembly is connected with a first training assembly, and a second training assembly is arranged above the first training assembly; the air inlet adjusting assembly comprises an air inlet pipe and an air inlet adjusting structure, the blowing head is connected with the air inlet pipe in a clamped mode, the air inlet adjusting structure is arranged on the air inlet pipe, the first training assembly comprises a first training shell and a first air flow detector, and the first air flow detector is installed on the first training shell; the second training assembly comprises a second training shell and a second air flow detector, the second air flow detector is installed at the top of the second training shell, detection of the air blowing amount is achieved through the first air flow detector and the second air flow detector, operation is convenient, the first training assembly is convenient to carry when being used, and the training efficiency is improved. Gravity of an internal structure does not need to be overcome, and burden of a patient is relieved.

The invention discloses an electrical multi-mode signal acquisition and digital processing system for lung respiration monitoring, relates to the technical field of medical electronic detection, and establishes a corresponding detection circuit and a data processing module based on a sensor array. According to the electrical multi-mode acquisition and digital processing system for lung respiration monitoring, a digital phase sensitive detection technology is combined, detection signals are post-processed on the software level, the scale of a hardware circuit is reduced, and the whole capacitance impedance coupling detection system is simpler. Meanwhile, the reduction of the scale of the hardware circuit is also helpful for reducing the interference influence of the circuit on the measurement signal, the common-mode interference can be effectively eliminated, the sensitivity degree of the system to the human body breathing process is improved, and the real-time accurate detection of the human body breathing process is realized. The whole technical scheme is compact in structure, strong in anti-interference capability and suitable for various practical application environments.

The application is a bionic device for simulating various physiological characteristics when a human being breathes normally, comprising a human body half model, a simulated lung breathing device arranged in the trunk of the human body half model, a nasal cavity trachea and an oral cavity trachea arranged in the head cavity of the human body half model, an opening and closing valve arranged on the nasal cavity trachea and the oral cavity trachea, the nasal cavity trachea and the oral cavity trachea connected with the simulated lung breathing device through the trachea, the nasal cavity trachea being communicated with a nasal cavity, the nasal cavity being provided with a PTC ceramic heating sheet, an ultrasonic atomizer and a temperature and humidity sensor, the ultrasonic atomizer being connected with a liquid supply device, the simulated lung breathing device being wrapped with a heat tracing band outside, the oral cavity trachea extending to an oral cavity and being sealedly connected with a flow sensor, and the simulated lung breathing device being connected with a CO2 injection device. The application can simulate the airflow movement of human body breathing under different parameters, can warm, humidify and regulate the end-expiratory CO2 content of the breathing gas, and provides a physical experimental device for virus transmission mechanism research.

The application relates to the technical field of automatic identification of animal behavior, in particular to an automatic identification method for lung breathing behavior of giant salamanders, which comprises the following steps: acquiring an initial video image of a target area; pre-processing the initial video image to obtain a standard video image; performing feature enhancement on the standard video image to obtain an enhanced feature image; performing multi-scale breathing behavior feature extraction on the enhanced feature image to obtain deep feature maps of different scales; performing multi-level feature aggregation on the deep feature maps of different scales to generate an aggregated feature map; and generating an identification result based on the aggregated feature map. The application helps to solve the problems that the artificial monitoring of the breathing behavior of giant salamanders in a low-contrast scene at night is prone to high missing detection rate and long-term efficient and objective monitoring is difficult to realize due to the nocturnal and cave-dwelling habits of the giant salamanders.

The invention relates to a transbronchial pulmonary nodule microwave ablation soft antenna, and aims to solve the problems that in the pulmonary nodule ablation process of an existing microwave ablation needle, due to up-and-down fluctuation of tissue during lung breathing, the ablation needle is prone to displacement, and the moisture of lung tumor tissue is too little; comprising a soft antenna body, a handle assembly, a water inlet hose and a water outlet hose. The soft antenna can enter lung tumor tissue through an instrument channel of a bronchoscope when pulmonary nodules are subjected to biopsy sampling, due to the fact that the antenna is the soft antenna and can fluctuate up and down along with the tissue when the lung breathes, the phenomenon of displacement of an ablation needle is avoided, meanwhile, micropores are evenly distributed in the periphery of a microwave emitting head of the soft antenna, and the microwave emitting head can be used for emitting microwaves. Water can be provided for tumor tissue through the cooling water channel, and carbonization of ablation tissue is reduced.