222 results about "Breathing system" patented technology

The invention particularly relates to a respiratory disease diagnosis device and method, and the device comprises a respiratory sound signal collection unit which is used for obtaining a current respiratory sound signal; the breathing sound signal preprocessing unit is used for performing segmentation processing and denoising processing on the current breathing sound signal to obtain a preprocessed breathing sound signal; the feature extraction unit is used for extracting multi-modal features of the preprocessed breath sound signals; and the detection unit is used for inputting the multi-modal features into a preset deep learning network model to obtain a respiratory system disease detection result. Therefore, through multi-modal feature extraction, dynamic fusion and an efficient classification strategy, the problems of relatively low feature identification degree, relatively low disease classification accuracy and the like in the process of researching disease diagnosis based on the breath sound signals in related technologies are solved, and the detection performance of chronic respiratory system diseases based on the breath sound signals is remarkably improved.

The invention relates to the technical field of data analysis, can be applied to business system platforms of financial science and technology, medical treatment and health and the like, and discloses a human body state characteristic value analysis method, device and equipment and a medium. Performing system state analysis on an endocrine system, a circulatory system and a respiratory system of the user according to the physical examination data to obtain a system state characteristic value set, constructing a physiological index vector and a disease course characteristic vector according to the physical examination data, and constructing a complication incidence matrix according to case data; performing complication association analysis on the user according to the physiological index vector, the disease course feature vector and the complication association matrix to obtain a complication feature value, analyzing a criticality feature value of the user according to a system state feature value set and the complication feature value to obtain a hazard feature value set, and performing weighted summation on the hazard feature value set to obtain a complication feature value set; and obtaining a human body state characteristic value. And the accuracy of human body state characteristic value analysis is improved.

The application provides a guide and breathing system for a bronchofibroscope, which comprises a cover body used for covering a throat and forming a closed cover cavity communicating with a trachea in use, and a pipeline structure fixedly connected with the cover body and comprising an endoscope pipeline and a ventilation pipeline which are independent of each other and communicate with the cover cavity, and a drainage pipeline arranged to pass through the inside of the cover body but not communicate with the cover cavity, so as to communicate with an esophagus through a drainage outlet on the cover body in use. When the guide and breathing system is used, the reflux of secretions of a patient during an endoscope operation can be disposed through the independent drainage pipeline, and the bronchofibroscope only occupies part of the space in the laryngeal mask channel in the case of the endoscope operation, so that the patient can inhale sufficient oxygen, and the safety of the patient during the operation of the bronchofibroscope is ensured.

The invention relates to a breathing system and a breathing method for artificial respiration of a patient. The invention further relates to a control assembly and a control method for controlling a breathing assembly belonging to a breathing system. The anesthetic meter member (38) provides an anesthetic gas mixture (Ng) having a predetermined theoretical concentration (conreq) of the anesthetic (Nm). The respirator (12) delivers a breathable gas mixture with an anesthetic gas mixture (Ng) to the patient-side coupling unit. The setpoint concentration (conreq) is specified in such a way that the setpoint concentration is at most equal to the calculated upper concentration limit (conmax). The higher the temperature in the anesthetic meter member (38), in the ventilator (12) and / or in the ambient environment, the higher the concentration upper limit (conmax). The present invention reduces the risk of anesthetic (Nm) coagulation.

The invention provides a cardiac postoperative respiratory function monitoring system and method. The method comprises the steps that photoelectric volume pulse wave signals of a patient during cardiac postoperative breathing are collected through an intelligent optical sensor; extracting a heart rate variability signal of the patient, and determining a quantitative index of respiratory sinus arrhythmia of the patient through the heart rate variability signal; determining the arterial pressure variability of the patient according to the arterial pressure waveform, and fusing the arterial pressure variability and the quantitative index of the respiratory sinus arrhythmia to obtain the cardiopulmonary coupling strength; according to the cardiopulmonary coupling strength and the shallow and fast breathing index of the patient, combining a pre-trained failure prediction model during breathing machine withdrawal, outputting a failure risk value during machine withdrawal of the patient; and outputting a machine withdrawal decision support report of the patient according to the failure risk value and a preset individualized early warning threshold value. According to the scheme, the cardiac postoperative withdrawal risk can be evaluated based on the dynamic cooperation mechanism between the cardiovascular system and the respiratory system.

The utility model relates to the technical field of grinding equipment, in particular to a hardware lock machining and grinding device which is characterized in that a rotating shaft is rotatably arranged in the middle of a box body, a grinding block is arranged at the bottom end of the rotating shaft, a driven gear located in the box body is arranged at the top end of the rotating shaft, and a first motor is arranged on one side of the box body; through the arrangement of the dust collection equipment and the filter cylinder, dust impurities generated in the grinding process can be effectively collected and filtered, floating of dust in air is reduced, the risk that workers inhale dust is reduced, the respiratory system health of the workers is protected, and the working efficiency is improved. And according to the grinding requirement of the hardware lockset, a second motor is started, a positioning shaft is made to rotate, a grinding block is adjusted to a proper grinding angle, the hardware lockset workpiece can be conveniently and continuously ground, and the applicability is high.

The utility model discloses a ferro-silicon alloy screening and classifying device, which belongs to the technical field of ferro-silicon alloy processing equipment and comprises a screening box, a screening component for sorting ferro-silicon alloy, a dust absorption component for absorbing and transferring dust generated in the sorting process and a purification component for purifying dust gas, the dust collection assembly is arranged on one side of the screening box, the purification assembly is arranged on the dust collection assembly, the screening assembly is arranged in the screening box, a connecting assembly is arranged between the screening box and the screening assembly, a sealing assembly is arranged on the purification assembly, and an inclined plate is fixedly arranged on the inner bottom wall of the screening box; dust gas in the screening box is absorbed and transferred under the action of the dust absorption assembly, and the dust gas is purified under the action of the purification assembly, so that the dust content in the air is reduced, and the situation that a respiratory system and the like of an operator are possibly damaged and occupational diseases such as pneumoconiosis are caused by long-term inhalation of ferrosilicon alloy dust is avoided.

The utility model discloses a closed circulating breathing diving outfit capable of underwater communication, which comprises a front chest part and a back part, shoulder straps are arranged between the front chest part and the back part, and a storage assembly is arranged at the outer end of the front chest part and is used for facilitating storage and wearing of the outfit and placement of a communication module; the breathing system is arranged on the outer side of the back, and the breathing system is used for achieving internal circulation operation of breathing and controlling the oxygen content of breathing gas. The utility model belongs to the technical field of diving devices, and particularly relates to a closed type circulating breathing diving device capable of achieving underwater communication.

The invention relates to medicine and can be used for overcoming stuttering by developing the rhythmic component of speech. Exercises are performed on a step-by-step basis. In a first step, exercises are performed for the muscles of the respiratory, phonatory and articulatory systems. In a second step, an individual non-speech rhythm is cultivated. In a third step, a sense of rhythm is developed. In a fourth step, a poetic speech rhythm is cultivated. In a fifth step, a prosaic speech rhythm is cultivated. In a sixth step, narrative and interrogative intonations are cultivated. In a seventh step, rhythmic processes are trained to become automatic in independent speech. The method makes it possible to overcome psychogenic and neurogenic stuttering, without the use of medication or the risk of relapse, and is suitable for all age groups.

A respiratory system with a flow generator can provide bubble CPAP therapy by controlling a pressure of a flow of gas delivered to a patient. A controller of the respiratory system can control a motor speed of its flow generator in order to control the pressure of the flow of gas. The controller can also detect the presence of bubbling and / or possible leaks in a gas path of the system. The respiratory system can include a high flow respiratory system.

The utility model discloses a bionic negative oxygen ion generating device which comprises a mounting shell, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator, a negative oxygen ion generator and a negative oxygen ion generator, and is characterized in that a fresh air inlet is formed in one side of the lower part of the mounting shell; a fresh air primary filter; a heat exchange core; a high efficiency filter; a fresh air fan; an exhaust primary filter; an exhaust motor; a negative ion generator module; a sensor module; a PTC heater; and a controller. The negative ion air purifier can release high-purity negative ions from the air purification level, actively purify air, settle pollutants such as dust and smoke, remove peculiar smell, sterilize and disinfect, effectively improve air quality, generate negative ions close to the nature in the health aspect, promote metabolism of a human body, enhance immunity, improve the functions of a respiratory system and a nervous system, and improve the health of the human body. The symptoms of respiratory diseases and mental stress are relieved.

FIELD: cardiology.SUBSTANCE: used as a component of the first stage of cardiac rehabilitation in patients with chronic heart failure (CHF), as well as an auxiliary component at all stages of cardiac rehabilitation. Warm-up exercises are performed – stretching exercises and movements in the joints of the upper body, followed by a basic set of breathing exercises lasting from 15 to 30 minutes, at least once a day, at least 5 days a week, for at least 8 weeks. At the first stage, the main set of exercises includes four exercises performed in sequence: abdominal breathing, chest breathing, breathing involving the shoulder muscles, breathing slowing. The first three exercises are performed for 5–10 breathing cycles with an interval between exercises of at least 1 minute, the fourth exercise contains 5–15 cycles, where each cycle includes an inhalation through the first nostril, followed by an exhalation and inhalation through the second nostril, then an exhalation through the first nostril . In the second and subsequent stages, the main set of exercises includes two exercises performed sequentially: an exercise for full breathing and an exercise for slowing down breathing. The full breathing exercise involves sequentially performing abdominal breathing, chest breathing, and breathing with the involvement of the shoulder muscles throughout one inhalation. The exhalation is performed in reverse order. The number of cycles of the full breathing exercise at the second stage is 15–20. The duration of each stage is at least 2 weeks, where at each subsequent stage, starting from the second one, the duration of the exercises performed in the main complex is increased by increasing the number of exercise cycles. Also the duration of inhalation and exhalation is increased when performing exercises to slow down breathing. The method improves the biomechanics of breathing: increases the depth of breathing, reduces the frequency of respiratory movements, increases the efficiency of breathing and reduces the activity of the inspiratory metaboreflex.EFFECT: exercise tolerance in patients with CHF improves.3 cl, 6 dwg, 3 ex

This application provides a liquid air supply system for breathing air, comprising: a liquid air storage tank, a high-pressure vaporization pump, a high-pressure vaporizer, a nitrogen input module, a buffer mixing module, an oxygen content detection module, and a control terminal; the high-pressure vaporization pump has a liquid inlet and a liquid outlet; the buffer mixing module has an air inlet and an air outlet; the liquid inlet of the high-pressure vaporization pump is connected to the liquid air storage tank, and the liquid outlet is connected to the high-pressure vaporizer; both the high-pressure vaporizer and the nitrogen input module are connected to the air inlet of the buffer mixing module, and the air outlet of the buffer mixing module is used to connect to the main gas supply pipe; the gas detection module detects the input gas data and output gas data of the buffer mixing module, and the control terminal controls the amount of nitrogen input from the nitrogen input module to the buffer mixing module based on the input gas data and the output gas data, enabling the safe and long-term output of air with the required oxygen content.

Ventilation methods and devices are described. The methods and devices can be used for treating respiratory diseases such as adult respiratory distress syndrome (ARDS). Embedded control software managing various functionalities of the disclosed ventilators is also presented.

The utility model discloses a multi-mode switchable sand blasting device which comprises a connecting pipe, the connecting pipe is installed on the side face of a protection box through an installation structure, the installation structure is composed of a connecting groove, an electric telescopic rod, a material storage box air suction cover, a filter box and an air suction pump in a combined mode, and the connecting pipe is arranged on the side face of the protection box. The connecting pipe penetrates through the side face of the protection box. A collecting mechanism used for sucking air is arranged on the side face of the connecting pipe. According to the multi-mode switchable sand blasting device, the connecting plate is made to move back and forth in the connecting groove through the connecting block, sand blasting can be conveniently conducted on metal parts of different shapes, when sand blasting waste does not need to be collected, the baffle is opened, the waste can be discharged out of the protection box, when the waste needs to be recycled, the suction pump is started, and the waste can be recycled into the storage box; multiple modes can be switched conveniently, waste gas can be filtered through a filter screen, harmful substances can be prevented from being inhaled into the respiratory system of a worker, and the protection effect is achieved.

This technology relates to one or more of the following: screening, diagnosis, monitoring, treatment, prevention, and improvement of respiratory disorders. [Solution] A server is provided which is programmed to automatically determine whether there are applicable upgrades to the code or data (e.g., software or firmware) stored in the electronic memory of a patient device, based on identification data that uniquely identifies the patient device. In response to the determination that there are applicable upgrades, a data package is delivered to the patient device via a first wireless transceiver, and the data package is to be automatically applied to the electronic memory of the patient device.

The application discloses a portable multifunctional dust removal breathing device and a breathing system, and relates to the technical field of coal mine dust prevention and control. The device comprises a dust removal breathing machine, a face mask, a wind supply pipe, an intelligent terminal and an integrated body. The face mask is connected with the integrated body through the wind supply pipe, the intelligent terminal is signal connected with the integrated body, the intelligent terminal is configured to collect physiological health parameters and send alarm information, and the integrated body is internally provided with a dust remover, a wind supply adjusting device and a control module. The control module is electrically connected with the dust remover and the wind supply adjusting device, the control module is configured to receive the physiological health parameters collected by the intelligent terminal, and adjust the wind supply amount of the wind supply adjusting device according to the physiological health parameters. The application solves the defects of the existing operation protection equipment and related system in the aspects of dust purification effect, breathing comfort, function integration, risk early warning capability, multi-dimensional data collection and application, and provides all-round protection for the occupational health of coal mine workers.

Methods and apparatus infer or indicate sleep stage(s) of a patient from a respiratory flow rate signal of the patient. The method may include applying a plurality of detection pathways to a signal representing a respiratory flow rate of the patient, wherein each detection pathway is configured to generate start events and end events indicating start times and end times of episodes respectively of a corresponding sleep stage, wherein each start event and each end event has a priority; and combining the start events and end events based on their priorities to produce an indication of the sleep stage of the patient. The apparatus may include a sensor configured to generate a signal representing a property of a flow of air within a patient interface; and a processor configured to implement a method of inferring a sleep stage of the patient from the signal.

The utility model relates to the technical field of polishing equipment, and discloses PDCPD product polishing equipment with a dust suppression structure, which comprises a main machine, a transmission box is fixedly mounted on the front side of the main machine, the output end of the main machine extends into the transmission box and is fixedly provided with a first bevel gear, a grip is fixedly mounted on one side of the main machine, and a first rotating shaft is rotatably mounted in the transmission box. A second bevel gear is fixedly mounted on the first rotating shaft in the transmission box, and the second bevel gear is in meshed connection with the first bevel gear. A cross-shaped fixing seat is arranged on a first rotating shaft, and a dust collecting cover is arranged at the lower end of a transmission box, so that the dust collecting box installed on the transmission box is in transmission connection with the first rotating shaft through an internal second rotating shaft, high-speed rotation of an impeller is achieved, and dust generated by polishing can be collected synchronously when a product is polished; therefore, the pollution to the production environment is reduced, and the health of the respiratory system of an operator is protected.

A respiratory system for providing respiratory support to a patient, the system comprising: a nasal interface and a gas conduit for delivering a flow of gases to an outlet of the nasal interface, and a flow controller for selectively controlling the flow of gas into nasal interface, the flow controller configured to operate when a pressure in the system is above a predetermined value to restrict or prevent the flow of gas into the nasal interface from the gas conduit.

An artificial intelligence-based system and method for scalable screening of individuals for respiratory infection, such as COVID-19. The system is trained to distinguish distinct latent features of cough sounds produced by a COVID-19 infected person from cough sounds produced by patients suffering from any other respiratory infection or involuntary cough sounds produced by a healthy person. Cough sound samples from individuals can be remotely collected and evaluated by the system for likelihood of the COVID-19 infection. Additionally, images of affected body parts, biomarkers, metadata, and other respiratory sound samples can also be used for screening.

A breathing system that supplies air containing reduced oxygen levels includes a mask, a housing, a valve or other air flow restrictor, and one or more sensors that detect the amount of oxygen present in the system. A user breathes into the mask, after which the air is moved into the housing, and subsequently through an expandable reservoir after which the air can be re-breathed by the user. One or more sensors may be mounted to the user as well as contained within the housing. In the event that the amount of oxygen in the system's recirculated air falls below a predetermined level, the valve may be opened to allow ambient air containing higher levels of oxygen to enter the system. The system may contain a carbon dioxide scrub medium, as well as other filters to maintain desired characteristic of the air within the system.

A respiratory system is configured to pressurize and deliver a flow of respiratory gas to a patient's airways. The respiratory system includes a cushion configured to sealingly engage the patient's face and a blower mounted to the cushion and configured to pressurize a flow of respiratory gas. An interface structure is attached to an outlet of the blower and an aperture in the cushion. The interface structure forms a gas flow path between the cushion and the blower. The gas flow path is configured to deliver the pressurized respiratory gas from the blower through the aperture in the cushion. The gas flow path is also configured to vent exhaled gas from the aperture in the cushion to atmosphere. The respiratory system also includes headgear configured to support the cushion and the blower on the patient's face.

The utility model provides a feeding structure for PE raw material processing, and relates to the technical field of PE processing. Supporting legs are arranged below the storage bin, a feeding groove is formed in the left side of the upper portion of the storage bin, a feeding port is formed in the left side of the feeding groove, the interior of the storage bin communicates with the interior of the discharging hopper, a hopper top cover is arranged above the discharging hopper, and a discharging screw is arranged below the discharging hopper. According to the utility model, the PE material particles can be effectively prevented from splashing, and the problem that the PE particles of the existing structure are inhaled by workers and hurt the respiratory system is solved.

A mask interface for a respiratory mask, in which the mask interface comprises a resilient mask housing at least partially formed from a textile and being configured to deform under pressure from an external force, such as when being pressed against a pillow, and to substantially return to its original shape either automatically or by manipulation by a user.

In one embodiment, there is provided a device for performing a plurality of respiratory diagnostic tests, comprising: a housing, a sensor assembly, and control circuitry configured to receive signals from the sensor assembly; wherein the device has a first configuration in which the device is configured to perform a first respiratory diagnostic test and a second configuration in which the device is configured to perform a second respiratory diagnostic test, wherein in the first configuration an airflow channel is defined through the device housing, the sensor assembly being configured to measure at least a first property of air in the airflow channel during the first respiratory diagnostic test, and wherein in the second configuration the airflow channel is modified relative to the first configuration, the sensor assembly being used to measure at least a second property of air in the airflow channel during the second respiratory diagnostic test. In another embodiment there is provided a stand-alone device is designed for performing an impulse oscillometry test.

This invention relates to a ventilation structure for a respiratory therapy system. In one embodiment, the ventilation structure includes a ventilation housing. The ventilation housing may define a flow path for exhausting airflow from the respiratory therapy system, an air inlet configured to allow airflow into the flow path, and an air outlet configured to allow airflow out of the flow path into ambient air. The ventilation housing may be configured such that the flow path includes a bend and deflection region in which the flow path changes direction by at least 90°. The ventilation housing may include a guide configured to guide the exhaust air radially or laterally outward from the ventilation housing.

A device for determining measurement values describing the function of the lungs or the respiratory system of a patient includes a mouthpiece including a tube for introducing respiratory air and for sucking in air, and a gas measurement space. At least one of the following gas sensors is arranged in the gas measurement space: nitrogen monoxide sensor, carbon dioxide sensor, oxygen sensor, carbon monoxide sensor, multi-gas sensor, sensor for volatile organic compounds, alkane sensor, infrared sensor, fiber optic sensor, resistance sensor, and semiconductor sensor. The gas measurement chamber is separated by a closable opening into a first gas measurement chamber and a second gas measurement chamber, the second gas measurement chamber being closed or closable. The closable opening opens a flow path from the first gas measurement chamber into the second gas measurement chamber. A gas sensor is arranged in the second gas measurement chamber.

The utility model discloses a wearable respiration monitoring device based on a flexible piezoelectric film material, and belongs to the field of wearable monitoring instruments. Comprising a signal receiving module (1), a signal processing module (2) and a data conversion module (3), the signal receiving module is electrically connected with the signal processing module, the signal processing module is electrically connected with the data conversion module, mechanical energy generated by human respiration is converted into an electric signal through a flexible piezoelectric material, and after rear-end signal processing, the electric signal is transmitted to the data conversion module (3). Information is transmitted to a mobile terminal through the Bluetooth module, so that accurate and real-time human body breathing state detection is realized, the human body life health condition is evaluated, and guardians are helped to know the respiratory system health condition and the life health condition of a user. The device has high-sensitivity and high-comfort human respiration monitoring capability, and provides an important promotion effect for the fields of sensing technology and wearable monitoring instruments.

The utility model discloses polishing equipment for carbon-carbon bolt production and processing, and relates to the technical field of carbon-carbon bolt production and processing. Polishing equipment for carbon-carbon bolt production and machining comprises a shell and a carbon rod arranged in the shell, a polishing assembly is arranged in the shell, and the polishing equipment further comprises a filter plate rotationally connected to the inner wall of the shell; due to the fact that the circle center of the guide groove does not coincide with the circle center of the rotating disc, the connecting rod can drive the connecting plate to move up and down under the action of the guide groove by rotating the rotating disc, and therefore the filter plate is driven to rotate in the shell in a reciprocating mode, and carbon powder falling on the surface of a carbon-carbon bolt on the filter plate is shaken off. And the carbon-carbon bolts can fall into the interior of the first containing cavity to be collected under shaking of the filter plate, and therefore the situation that carbon powder flies and is inhaled by the human body to cause serious damage to the respiratory system during sorting, and occupational diseases such as pneumoconiosis are caused is avoided.