481 results about "Breathing system" patented technology

The invention relates to the technical field of medical diagnosis, and discloses a blood oxygen monitoring system fused with sleep rhythm modeling, which comprises the following steps: identifying a sleep stage conversion moment through a photoelectric volume pulse wave signal, detecting a blood oxygen saturation valley value in a window after conversion, and calculating response lag duration; according to the method, the physiological rhythm is converted into a natural probe for the compensatory ability of the respiratory system, dual diagnosis of sleep staging and respiratory function is realized through a single-path signal, and meanwhile, body movement interference is converted into an observation window for the respiratory stress recovery ability. The diagnosis reliability in a home monitoring scene is remarkably improved, the system completes core analysis at an edge node, and a respiratory function evaluation report which can be directly used for clinical decision making is output.

The invention relates to the technical field of intelligent bed early warning, and discloses an intelligent bed integrated AI monitoring and early warning method and system, and the method comprises the steps: collecting sleep-related data, and carrying out formatting and quantity stiffening processing to obtain target sleep data; constructing a sleep stage thermodynamic diagram, analyzing the sleep cycle characteristics of the intelligent bed user, analyzing the body movement frequency condition of the intelligent bed user in the sleep process by using the target sleep data, and analyzing the overall sleep characteristics of the intelligent bed user; analyzing the sleep quality of the intelligent bed user, and when the sleep quality is poor, analyzing cardiovascular health characteristics and respiratory system health characteristics of the intelligent bed user so as to analyze preliminary health state characteristics of the intelligent bed user; and collecting sleep adjustment related data after the intelligent bed user uses the adjustment equipment, analyzing the health state adjustment characteristics of the intelligent bed user, and performing sleep health early warning on the intelligent bed user in combination with the preliminary health state characteristics. According to the invention, the early warning reliability of the intelligent bed integrated AI can be improved when the number of influence factors is large.

Methods and devices for analyzing non-volatile organics in exhaled breath and other aerosols using various diagnostic tools that enable rapid, low-cost point of care assays for several diseases including respiratory tract diseases such as COVID-19. The disclosed methods and systems selectively capture non-volatile organics in exhaled breath and other aerosols in a packed bed column. The non-volatile organics are eluted and samples are analysis using diagnostic devices including MALDI-TOFMS. The disclosed systems and methods provide for a diagnostic test result in less than about 20 minutes and provides for autonomous operation with minimal human intervention.

The invention relates to a neonatal respiratory distress risk assessment construction method, which comprises the following steps of: implementing non-intrusive micro-disturbance operation on a neonatal, and detecting respiratory rhythm phase drift, respiratory driving force low-frequency suppression and physiological tremor window change under disturbance so as to identify a pre-instability signal regulated and controlled by a respiratory system; collecting nerve and respiration feedback path data, analyzing the time difference between respiration instruction conduction and actual respiration starting, and identifying an abnormal decoupling phenomenon; based on multiple times of perturbation induction and feedback acquisition results, continuously monitoring the micro-adaptive recovery capability of the respiratory system of the newborn, and identifying the hidden fatigue trend of the respiratory system by judging progressive extension of respiratory frequency recovery time and gradual upward movement of respiratory power consumption; the respiratory redundancy regulation capability in the stress regulation process is monitored, premature intervention and repeated activation of an auxiliary breathing mode or a respiratory muscle group are judged, and the redundancy regulation critical compression phenomenon of a respiratory regulation system is analyzed to complete evaluation construction of the neonatal respiratory distress risk.

The invention relates to a medical device for evaluating physiological parameters of a respiratory system, and the device comprises a sampling device which is used for collecting detected exhaled gas after a rising inflection point of carbon dioxide; the gas sensor comprises a nitric oxide sensor and a carbon dioxide sensor; the processor is used for receiving the gas signal generated by the gas sensor; the processor is configured to establish a linear expression for calculating a risk parameter R according to the detected carbon dioxide concentration and nitric oxide concentration; the linear expression of the risk parameter R is shown in the specification; wherein the parameter is set as a constant; the parameter is nitric oxide concentration; the parameter is carbon dioxide concentration; and the parameter is a nitric oxide dynamic change rate function. Compared with the prior art, the method provided by the invention provides a more comprehensive evaluation capability for airway inflammation and abnormal ventilation.

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.

Various embodiments are directed to flow sensors and methods of using the same. In various embodiments, a flow sensor for measuring fluid flow within a breathing system may comprise a housing defining a flow channel and comprising: a housing body and a plurality of coupling members, wherein each coupling member defines an opening through the housing body, the plurality of coupling members comprising: a set of coupling members configured for coupling to a suction tube assembly, each of which is fluidly connected with the housing body via one of a plurality of bottom openings provided on a bottom side of the housing body such that the flow sensor facilitates a contaminant extraction operation defined by a contaminant present within the housing being extracted to the suction tube assembly through the coupling members; wherein each of the coupling members is integrally configured as part of the housing.

The invention relates to the field of intelligent medical treatment, in particular to a percutaneous lung channel acupoint electrical stimulation optimization system based on artificial intelligence, which comprises a multi-source data acquisition module (M1), a dynamic modeling module (M2) and a self-adaptive electrical stimulation module (M3). M1, collecting lung channel acupoint skin impedance, infrared thermal imaging, respiratory rhythm and cough frequency data in real time, and generating multi-source fusion features through space-time alignment; m2, based on a deep learning model, combining with a preset database to dynamically generate an electrical stimulation parameter combination, and ensuring parameter safety through impedance calibration and constraint optimization; and M3, adjusting the stimulation intensity according to the parameters, and setting an impedance threshold to trigger power-off protection. The traditional Chinese medicine meridian theory and the AI algorithm are fused, accurate acupoint positioning, personalized electrical stimulation and dynamic safety regulation are achieved, and the respiratory system disease treatment effect is improved.

The present invention discloses a portable respiratory system including a housing, a divider, a flow sensor, an elastic member, a rigid member, a blower and a flow limiter. By configuring the divider in the housing, the system is partitioned into an upper chamber and a lower chamber, wherein the flow sensor is located in the upper chamber and the elastic member is located in the lower chamber. The rigid member is fixed in the lower chamber, and defines an air inlet flow channel, a lateral flow channel, a transmission flow channel, and an air outlet flow channel. The blower is disposed in the elastic member and is operable to receive an airflow from the transmission flow channel and generate a positive pressure airflow. The flow limiter includes multiple pipes and is located in the lateral flow channel.

The invention relates to the field of respiratory rehabilitation training systems, in particular to a respiratory rehabilitation training guiding system based on virtual reality. The intelligent breathing rehabilitation system integrates virtual reality, breathing monitoring, health assessment and personalized training; the virtual reality display terminal displays a training scene and a real-time evaluation result, so that the interactive experience is enhanced; the respiration monitoring module accurately collects data, and the health evaluation module analyzes the data in real time and feeds back the data to the display terminal; the respiratory rehabilitation training platform dynamically adjusts training content and intensity according to a user instruction and evaluation feedback; the rehabilitation monitoring module tracks a breathing curve in real time, and training accuracy is ensured. And the sound output module provides prompts to guide correct breathing. The system realizes intelligent, personalized and interesting training, improves the effect and efficiency, enhances the enthusiasm and compliance of patients, and brings an innovative breakthrough to the field of respiratory rehabilitation.

The invention relates to a system and a method for determining a severity of a respiratory disease of a patient. The patient is instructed by a system to recite a phrase. The system receives the phrase recited by the patient as acoustic signal and analyzes the acoustic signal with respect to a severity of a respiratory disease. The result of the analysis is provided, which is indicative for the severity of the respiratory disease of the patient.

The invention provides an AI-based child respiratory system diagnosis assistance method and system, and relates to the technical field of diagnosis assistance, and the method comprises the steps: collecting multiple layers of breathing sound signals through a bionic sensing array, building an airflow track model, carrying out the signal enhancement, and generating an enhanced breathing sound signal. Generating three-dimensional breathing sound propagation data by using the acoustic reconstruction network, evaluating a breathing function in combination with airflow dynamics and acoustic parameters, tracking abnormal breathing sound and generating a characteristic distribution diagram; symptom evolution analysis is carried out through a medical knowledge inference engine, real-time monitoring data is output, accurate auxiliary diagnosis is achieved, and the diagnosis efficiency and accuracy of children respiratory system diseases are improved.

According to the mode switching method, the controller, the airway clearance equipment, the storage medium and the program product provided by the embodiment of the invention, the oscillation airflow under different oscillation frequencies is output after operation is performed for the preset duration in the airway oscillation mode or the mechanical inhalation and exhalation mode, and the oscillation airflow under different oscillation frequencies is output for any oscillation frequency. The method comprises the following steps: acquiring response information of a user to oscillation airflow at oscillation frequencies, determining an impedance parameter of the user according to the response information at each oscillation frequency, determining an operation mode at the next moment according to the impedance parameter, and executing the operation mode, according to the method, the response information of the user under the oscillation airflow is obtained to determine the impedance parameter representing the blocking condition of the respiratory system of the user, so that the adopted airway clearance mode is automatically adjusted according to the real-time breathing state of the user, and the sputum discharge effect is improved.

The invention provides a ventilation system of a supercharged engine. The first passage communicates the downstream intake part with the crankcase in order to ventilate the crankcase. A second passage communicates the upstream intake portion with the crankcase. The oil separator is provided in the second passage. A third passage communicates the downstream intake portion with the oil separator. The one-way valve restricts the flow of gas through the third passage from the oil separator toward the downstream intake portion.

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.

Disclosed is a respiratory system with the adjustable concentration of a hydrogen-oxygen generator, which is used for changing the concentration of the breathing gas of an assisted person, and comprises: a hydrogen-oxygen supply auxiliary device (13), a pure water electrolysis hydrogen-oxygen manufacturing machine (1, 1'), a wet bottle (3), and a hydrogen concentration detector (14). The pure water electrolysis hydrogen-oxygen manufacturing machine (1, 1') comprises: an ion exchange membrane (10, 10'), wherein the two sides of the ion exchange membrane (10, 10') are respectively coated with an oxidation catalyst layer (100, 100') and a reduction catalyst layer (102, 102'); a pair of an anode metal layer (110, 110') and a cathode metal layer (112, 112') with pores (114); an anode (120, 120') for guiding the anode metal layer (110, 110') and a cathode (122, 122') for guiding the cathode metal layer (112, 112'); and a sealed container body (2, 2') for containing the above-mentioned structure of the pure water electrolysis hydrogen-oxygen manufacturing machine (1, 1'), the sealed container body (2, 2') being provided with a water injection hole (20), a hydrogen hole (22, 22'), and an oxygen hole (24, 24'). The wet bottle (3) comprises: an oxygen transmission pipe (32), a hydrogen transmission pipe (30), a mixing and humid output pipe (34) connected to the hydrogen-oxygen supply auxiliary device (13), and a bottle body (36), wherein one end of the oxygen transmission pipe (32) and one end of the hydrogen transmission pipe (30) are separately inserted into clean water.

A system for measuring cardiovascular data includes an elongate member having a channel, a first expandable member carried by the elongate member and movable between a collapsed state and an expanded state by adjustment initiated externally of a subject, a first sensor disposed on a surface of the elongate member, second and third sensors disposed on a surface of the first expandable, a first optical sensor located at a first location in relation to the distal end of the elongate member and configured for obtaining photoplethysmographic data, and wherein the first expandable member in its expanded state is configured to interface with the subject's larynx for delivery of at least oxygen gas into the respiratory system of the subject, and the second and third sensors are configured to contact tissue in proximity to the larynx when the first expandable member is in its expanded state.

The invention belongs to the technical field of anaesthesia machines, and relates to an automatic target control method for the concentration of end-expiratory anesthetic gas of an anaesthesia machine and the anaesthesia machine. Calculating the deviation between the concentration of the end-expiratory anesthetic gas exhaled in the current respiratory cycle and a gas concentration set value; when the deviation and / or the change amount of the end-expiratory anesthetic gas concentration is larger than the threshold value, the flow of fresh gas used for flushing the anesthetic respiratory system is increased, and the anesthetic gas concentration of the fresh gas is adjusted till the deviation and the change amount of the end-expiratory anesthetic gas concentration are smaller than the threshold value; calculating predicted values of the concentration of the end-expiratory anesthetic gas in a plurality of future respiratory cycles; an anesthetic gas concentration optimization model is constructed and solved to obtain the optimal inhaled anesthetic gas concentration variation of each future respiratory cycle, so that the target flow of the fresh gas of each future respiratory cycle is calculated to control the conveying parameters of the fresh gas, and the final-expiratory anesthetic gas concentration is taken as an adjusting target to adjust the flow rate of the fresh gas. And the concentration of the end-expiratory anesthetic gas is effectively controlled through real-time feedback, dynamic prediction and adjustment.

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.

A respiratory system comprises a dual outlet blower. One of a first and a second outlet of the blower provides a flow of gases to one of a pair of nasal outlets of a nasal interface and the other one of the first and second outlets provides a flow of gases to the other one of the pair of nasal outlets of the nasal interface. In an alternative embodiment, one of the first and second outlets provides a flow of gases to a nasal outlet of an oro-nasal interface and the other one of the first and second outlets provides a flow of gases to an oral outlet of the oro-nasal interface.

Systems and methods are described and illustrated for percutaneously implanting a stimulation lead for treating sleep-related disordered breathing.

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 application discloses a kind of big depth manned submersible emergency breathing system, it is related to diving equipment field, including high-pressure oxygen cylinder, the high-pressure oxygen cylinder is connected with first high-pressure valve body assembly by air pipe, the second sound filter includes sound filter main body, air inlet connecting pipe, the outside of the air inlet connecting pipe is provided with the mounting mechanism for the first sound filter and air pipe connection;The threaded sleeve is distributed with the positioning mechanism for limiting the threaded sleeve.The application is positioned by setting positioning mechanism, by the threaded sleeve is screwed to air pipe and air inlet connecting pipe, air outlet connecting pipe between, at this time, the threaded sleeve can be limited by inserting second positioning pin into annular clamping groove, to increase the stability of air pipe and air inlet connecting pipe, air outlet connecting pipe between connection, then can be made L-shaped connecting rod, threaded sleeve lose positioning simultaneously by connecting mechanism, to provide the convenience for subsequent disassembly, replacement of equipment.

A medical tube comprises a tail to connect an embedded wire to an electrical component. The tail may comprise a flattened portion and an exposed portion to facilitate attachment of the medical tube to an electrical component. The tail may comprise a second flattened portion. One or more wires, such as a heater wire or a sensor wire, may be embedded in the medical tube. The medical tube may comprise a connector that comprises a printed circuit board to which the one or more wires is attached. The connector may comprise features to support the printed circuit board, aid in assembly of the one or more wires to the connector, and protect electrical components against liquid ingress.

A breathing system, comprising a breathing circuit comprising a plurality of breathing tubes; a flow sensor coupled to the breathing circuit, the flow sensor comprising a housing defining a flow channel and having a plurality of coupling members, wherein each coupling member of the plurality of coupling members defines an opening therethrough; and a suction tube assembly. A first set of coupling members of the plurality of coupling members is coupled to an end of the suction tube assembly via one or more connectors, one or more valves are disposed between the first set of coupling members and the suction tube assembly.

The utility model relates to the technical field of helmet production, in particular to a paint spraying device for helmet production, which comprises a base plate, the left side of the top of the base plate is fixedly connected with an automatic detection mechanism, the automatic detection mechanism comprises a U-shaped frame, the top of the U-shaped frame is fixedly connected with a second electric push rod, and the top of the base plate is fixedly connected with a top frame. Through cooperation of the collecting box, the draught fan, the conveying pipe, the collecting square barrel and the mounting plate, the waste paint collecting function is achieved, firstly, the draught fan is started through the controller, and under the action of suction force of the draught fan, raised paint mist enters the collecting box from the collecting square barrel, passes through the conveying pipe and finally enters the collecting box to be adsorbed and blocked in the box by the adsorption filter plate; the mechanism can effectively collect and treat raised paint mist generated by paint spraying, so that the situation that the surrounding environment is polluted due to the fact that the paint mist drifts around can be prevented, and meanwhile the situation that the drifting paint mist hurts the respiratory system of a worker can be avoided.