102 results about "Respiratory support" patented technology

The invention relates to the technical field of breath monitoring, in particular to a big data intelligent health breath dynamic monitoring method and system and a terminal. The method comprises the following steps: acquiring a time domain interval of each respiratory cycle according to change characteristics of a respiratory pressure signal; further obtaining work doing amount corresponding to each breathing cycle, and dividing breathing modes; the newest seasonal period of the respiratory pressure signal is further extracted, and a respiratory stability coefficient is obtained according to the change characteristics of work doing amounts of respiratory periods with adjacent time sequences in the seasonal period in combination with the number distribution characteristics of the respiratory periods of the respiratory mode; furthermore, when the breathing stability coefficient is larger than or equal to the preset stability threshold value, the predicted breathing pressure signal is obtained and verified, and finally the predicted breathing mode is obtained according to the final predicted breathing pressure signal, so that the hysteresis of real-time processing is reduced, the response speed of breathing support is increased, and the comfort is improved.

The invention discloses a critical patient rehabilitation evaluation system based on artificial intelligence, particularly relates to the technical field of medical information and intelligent rehabilitation evaluation, and is used for solving the problems that in an intensive care unit, multi-source data are not synchronous, nursing and treatment events are often caused, sedation and ventilation fluctuation pollution is caused, and the problem of serious illness is solved. And thus, the problem of distortion in judgment of which level cannot move nowadays and can move to can be solved. A unified time base is established through three types of anchor points of nursing, body position and cardiopulmonary rhythm, passivity and autonomy are judged in an influence time period, and the passivity is deducted and reserved; and then sedation, circulation, respiratory support and medication are compiled into safety budget with delay, linkage evidence quantity and uncertainty adjustment release rhythm, and degradation and rollback are triggered by an anti-fact track of margin segmentation, so that an executable prescription of'activity, reachable grade and reason 'is output beside a bed, event pollution and physiological fluctuation are inhibited, and the aim of preventing and treating the patient is fulfilled. And maloperation and missed operation are reduced.

The invention belongs to the technical field of positive pressure ventilation, and particularly relates to an airway respiration supporting positive pressure ventilation device which comprises an assembly frame, a humidifier is installed above the assembly frame, an oxygen input port is installed above the humidifier, an atomization inhalation connecting port is formed in the front end face of the humidifier, and an air inlet is formed in the front end face of the atomization inhalation connecting port. An oxygen output port is formed in the front end face of the humidifier and located on one side of the aerosol inhalation connecting port, and the oxygen input port, the aerosol inhalation connecting port and the oxygen output port are all connected with guide pipes. During working, the conduits at different positions are installed in the oxygen input port, the aerosol inhalation connecting port and the oxygen output port respectively, the mask connected with the conduits is placed on the face of a patient, and then continuous positive pressure airflow generated by an external host enters the humidifier through the oxygen input port; the oxygen is discharged into the mask from the oxygen output port of the humidifier and the catheter and enters the airway of the patient, the airway can be expanded from the outside, and it is guaranteed that air can enter the mask smoothly.

The invention discloses a respiratory support aided decision-making method and system, and the method comprises the steps: obtaining lung image data of a patient, and carrying out the preprocessing of the lung image data, so as to extract a lung region of interest; inputting the lung region of interest into a prediction model to obtain image quantitative analysis data including lesion information; acquiring clinical index data of the patient, and fusing the clinical index data with the image quantitative analysis data to generate respiratory support comprehensive evaluation parameters; and outputting respiratory support decision auxiliary information based on the respiratory support comprehensive evaluation parameters. The respiratory support aided decision-making method and system provided by the invention aim at realizing automatic and objective analysis of the lung image, intelligently fusing the analysis result with the clinical indexes, and providing quantitative decision-making support for use of a respirator.

The invention relates to the technical field of respiratory medicine, in particular to a medicine inhalation device for the respiratory medicine, which comprises a breathing mask and a handheld cylinder connected to the breathing mask, and further comprises an auxiliary sputum excretion mechanism which is arranged on the breathing mask and connected with a sputum excretion collecting box through a sputum suction hose, and the sputum excretion collecting box is movably arranged on the side wall of the handheld cylinder. The problems that in the sputum excretion process, a pipeline needs to be disassembled frequently, operation is tedious, respiratory support continuity is damaged, infection risks are increased, an opening auxiliary structure is lacked, a sputum suction pipe is blocked when entering the throat, operation efficiency is low, the sputum suction pipe does not have an effective fixing mechanism, and sputum excretion cannot be carried out easily are solved. The problems that a patient unconsciously draws a tube, angle adjustment of an atomized liquid medicine barrel is limited, liquid medicine cannot be stably sucked when the body position of the patient changes, meanwhile, different devices need to be operated separately for atomization and sputum excretion, the workload of medical care is increased, adaptability is poor, and the use scene is limited are solved.

The application discloses a kind of respiratory support equipment sensor self-calibration method, comprising the following steps: S1, first sensor obtains first oxygen concentration N1, second sensor obtains second oxygen concentration N2;S2, the difference of first oxygen concentration N1 and second oxygen concentration N2 is calculated, and it is judged: if |N1-N2|<K, then execute step S3, if |N1-N2|>K, then execute step S4, K value is set threshold value;S3, obtain initial average concentration and the initial average concentration N0 as output concentration;S4, obtain several oxygen concentrations N1, N2, N3......Ni corresponding to several sensors, and carry out data fitting to it, obtain concentration optimal solution Ny, and the concentration optimal solution Ny is used as output concentration;S5, select the two sensors of measured oxygen concentration closest to optimal solution Ny as working sensor.The application solves the problem of low parameter accuracy caused by the error of sensor measured data or the error of sensor itself.

The present invention relates to a respiratory support device and / or its components. [Solution] The respiratory assist device comprises a housing with an engagement mechanism, an electrical component within the housing, and a removable component 171. The electrical component has a receiving portion. The removable component 171 has an electrical connector 178 that interlocks or interlocks into the receiving portion of the electrical component, helping to keep the removable component 171 connected to the electrical component. The removable component has a tab 172, the end portion 172b of which can be bent with respect to the rest of the removable component. An engagement mechanism 174 is provided on the end portion of the tab and engages with the engagement mechanism of the housing so that the removable component will not detach from the housing unless the end portion 172a of the removable component is actuated and the tab is bent.

1. The name of the design product: breathing machine main machine. 2. The use of the design product: equipment for providing breathing support for patients. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The application relates to the field of medical masks, in particular to a mask with a gastrointestinal mirror channel, which comprises a mask main body, an oxygen supply assembly, a gastrointestinal mirror channel assembly, an anti-aspiration assembly and a sealing adjustment assembly. The oxygen supply assembly provides clean and controllable breathing support through a multi-layer filter membrane and a flow adjustment function; the gastrointestinal mirror channel assembly is designed with a flexible sealing sleeve and an elastic support strip, thereby ensuring air tightness and adaptability during gastrointestinal mirror operation; the anti-aspiration assembly effectively deals with vomiting reflex or gastric content reflux through an arc-shaped baffle and a drainage groove; and the sealing adjustment assembly improves the adhesion and stability of the mask by using an air bag. The application can simultaneously realize breathing support and gastrointestinal mirror operation, and takes into account the safety and comfort of patients, thereby providing a perfect solution for digestive endoscopy.

This application relates to the field of medical device technology and provides a pressure adjustment method for a respiratory support device, comprising: obtaining the actual pressure value output by the respiratory support device; calculating the error between the actual pressure value and a target pressure value as a pressure error value; confirming whether the pressure error value is greater than the pressure allowable error ±2%; and when the pressure error value is greater than the pressure allowable error, adjusting the pressure relief area of ​​the gas delivery component to correct the actual pressure value to the target pressure value. By adjusting the pressure relief area of ​​the gas delivery component to correct the actual pressure value to the target pressure value, a constant output pressure is ensured under constant flow conditions.

The present application relates to the technical field of respiratory monitoring, in particular to a big data intelligent health respiratory dynamic monitoring method, system and terminal. According to the change characteristics of the respiratory pressure signal, the time domain interval of each respiratory cycle is obtained; further, the work amount corresponding to each respiratory cycle is obtained, and the respiratory mode is divided; further, the latest seasonal cycle of the respiratory pressure signal is extracted, according to the change characteristics of the work amount of the time series adjacent respiratory cycles in the seasonal cycle, combined with the number distribution characteristics of the respiratory cycles of the respiratory mode, the respiratory stability coefficient is obtained; further, when the respiratory stability coefficient is greater than or equal to the preset stability threshold, the predicted respiratory pressure signal is obtained and verified, and finally the predicted respiratory mode is obtained according to the final predicted respiratory pressure signal, the hysteresis of real-time processing is reduced, the response speed of respiratory support is improved, and the comfort is improved.

The invention relates to the field of medical apparatus and instruments, and discloses an anesthesia system and a medical device.The anesthesia system comprises a gas source module, a flow monitoring module, an anesthetic gas conveying system, a waste gas purification system, a rapid oxygenation module, a hyperbaric oxygen module, a negative pressure suction system, a manual control module and an auxiliary ventilation branch; the anesthetic gas conveying system provides anesthetic support and first respiratory support for a patient, the rapid oxygenation module provides second respiratory support for the patient, the air inlet end of the auxiliary ventilation branch is connected with the flow monitoring module, the air outlet end of the auxiliary ventilation branch is connected with the inspiration branch, and third respiratory support is provided for the patient. Various ventilation functions are integrated together, the application range of the anesthesia system can be expanded, use of extra equipment is reduced, the burden of a user is relieved, meanwhile, the auxiliary ventilation branch and an original anesthesia gas path share the flow adjusting, monitoring and oxygen concentration monitoring functions, the gas path structure is simplified, the cost of the anesthesia system is reduced, and the workload of the user is relieved.

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.

1. The name of the design product: portable first-aid equipment. 2. The use of the design product: for treating and monitoring vital signs of patients, such as respiratory support, infusion, injection, intravenous anesthesia, defibrillation support, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The invention discloses an airway clearance auxiliary system based on aged airway clearance parameters, and belongs to the technical field of medical auxiliary equipment. The airway clearance auxiliary system based on the aged airway clearance parameters comprises a multi-modal parameter acquisition module, an efficiency evaluation module, an intelligent adjustment module and a risk evaluation module. The problem that in the prior art, sputum excretion and respiratory support parameters cannot be dynamically and iteratively adjusted according to long-term monitoring data of a single elderly patient is solved. According to the method, full-process dynamic optimization of intervention parameters is achieved through a two-dimensional adjustment mechanism, the pertinence and effectiveness of airway clearance are improved, the method is particularly suitable for old users with large lung function fluctuation, timely risk management and control are achieved by comprehensively evaluating the clearance requirement level and potential risks of the users, and the risk management efficiency of the users is improved. Therefore, the whole-process safety control of airway clearance assistance is realized, the occurrence risk of adverse events is reduced, and a powerful guarantee is provided for safe use of elderly users.

1. Name of the product in this design: Therapeutic Ventilator. 2. Purpose of this design: A medical device for providing respiratory support to patients in professional medical institutions. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

The application discloses a verification method for triggering of a respiratory support device, a respiratory support device and a storage medium, and relates to the technical field of respiratory support devices. The method comprises the following steps: in step S1, when flow triggering is detected, the starting point time and the ending point time of flow triggering determination are acquired, and a real-time pressure curve segment in a time period from the starting point time to the ending point time is acquired; in step S2, the minimum pressure value is determined according to the real-time pressure curve segment, and the minimum pressure value is compared with a preset exhalation pressure value; in step S3, if the minimum pressure value is less than or equal to the preset exhalation pressure value, the pressure minimum point time corresponding to the minimum pressure value of the pressure curve segment is acquired; and in step S4, whether the flow triggering before the pressure minimum point time, the starting point time and the ending point time is a false triggering is determined according to the difference between the pressure minimum point time, the starting point time and the ending point time. The application aims to perform secondary verification on the pressure waveform after flow triggering, thereby effectively avoiding the false triggering phenomenon.

A method for controlling flow rate of gas comprising: delivering gas flow to patient at operating flow rate, and at intervals, receiving or determining, based on data from one or more sensors, first and second patient parameters indicative of patient's respiratory rate and heart rate, determining first status of respiratory rate based on first patient parameter and the first patient parameter received or determined at one or more previous intervals, determining second status of heart rate based on second patient parameter and the second patient parameter received or determined at one or more previous intervals, determining whether to adjust or maintain the operating flow rate based on first and second status, and based on determining that operating flow rate be adjusted, adjusting operating flow rate by an increment, and based on determining that operating flow rate be maintained, maintaining operating flow rate at the present operating flow rate.

There is provided a respiratory support device for providing pressurized air to a subject. The respiratory support device comprises a conduit, an acoustic generator, and an acoustic sensor. The conduit is for conveying an airflow. The conduit has an opening. The acoustic generator is adapted to generate an acoustic signal in the conduit at an acoustic frequency. The acoustic sensor is arranged outside the conduit. The acoustic sensor is adapted to generate a sensor signal representative of the acoustic signal. The respiratory support device comprises a membrane arranged to cover the opening to separate the acoustic sensor and the airflow from each other. The membrane is adapted to resonate at the acoustic frequency.

This invention relates to a method comprising receiving a pressure signal from a pressure sensor (17) and / or a flow signal from a pressure sensor and a flow sensor (16), and receiving signals from one or more sensors (56, 58, 60, 62) measuring different physiological parameters from the pressure sensor (17) and the flow sensor (16). The method includes detecting the onset of spontaneous breathing in a patient based on the pressure signal and / or the flow signal, and synchronizing the provision of respiratory support to the patient with the onset of spontaneous breathing detected using the pressure signal and / or the flow signal. The method includes calibrating parameters and thresholds to be used for detecting the onset of spontaneous breathing based on these signals. The method includes, after calibration, switching to: detecting the onset of spontaneous breathing in the patient based on these signals, and synchronizing the provision of respiratory support to the patient with the onset of spontaneous breathing detected using these signals.

The invention discloses a pressure adjusting method and system for double-level respiratory support equipment, and the method comprises the following steps: in the expiration stage of a user, setting expiration positive pressure as initial pressure; detecting the breathing state of the user in real time, and when it is detected that the user enters an inspiration state, performing linear fitting based on the first pressure value to obtain a slope value; a first linear model of the target inspiration positive pressure is established according to the slope value, and the expiration pressure is increased to the target inspiration positive pressure at the initial pressure increasing speed; and in the inspiration stage, the maximum user flow is updated in real time, when the inspiration stage is switched to the expiration stage, a second linear model of the target expiration positive pressure is established based on the maximum user flow, and the target inspiration positive pressure is reduced to the target expiration positive pressure at the initial pressure reduction speed. The technical problem that the pressure boosting or reducing speed of existing bihorizontal respiratory support equipment is too high is solved.

The invention discloses a respiratory support system and method with in-vitro negative pressure cooperating with electrical stimulation. The method comprises the steps that a signal detection module collects body surface respiratory muscle electromyography, thoracic posture, thoracico-abdominal deformation and respiratory airflow signals of a patient in real time; the negative pressure ventilation module generates negative pressure outside the thorax of the patient through a thoracic nail, a vacuum pump, a pressure reducing valve and a two-position three-way valve to reduce the pressure of a pleural cavity and pulmonary alveoli; the constant-current electrical stimulation module applies constant-current electrical stimulation to the diaphragm to enhance the contractility of the diaphragm; the control module receives the respiratory physiological signal, judges the respiratory intention of a patient through a built-in respiratory intention recognition algorithm, and controls the negative pressure ventilation and electrical stimulation module to realize triggering of an inspiration phase and an expiration phase and man-machine synchronization; through the synergistic effect of negative pressure ventilation and electrical stimulation, the respiratory support effect and man-machine synchronism are improved, and the device is suitable for adjuvant therapy of respiratory dysfunction patients.

An apparatus or kit for a respiratory support system for delivering humidified gas to a user or patient. The apparatus comprises a humidifier chamber in pneumatic communication with a gas source; an inspiratory conduit downstream of the humidifier chamber in pneumatic communication with the humidifier chamber; a filter downstream of the inspiratory conduit in pneumatic communication with the inspiratory conduit; and a patient interface for delivering humidified gas to a user or patient, wherein the patient interface is in pneumatic communication with, or configured to be placed in pneumatic communication with, the filter downstream of the filter.

The invention discloses neutral buoyancy diving equipment which comprises a back support body suitable for installing at least two gas cylinders. The buoyancy fine adjustment actuator is mounted on the back support main body; the power-assisted closed-loop air supply module is mounted on the back support main body, and the control system is electrically connected with the first motor and the second motor at the same time; wherein the control system is configured to synchronously control the first motor to generate compensation buoyancy opposite to buoyancy change caused by breathing action according to the detected breathing action of the diver while controlling the second motor to supply air to the diver. The device does not passively depend on manual adjustment of a diver, but can actively, synchronously and reversely generate compensation buoyancy, so that buoyancy fluctuation caused by physiological respiration is actively counteracted in real time, precise suspension is achieved, physical exhaustion of the diver is remarkably reduced, and safer and more comfortable power-assisted breathing support is provided.

The invention provides a common entropy balance adaptive control method and system, and belongs to the technical field of control systems. The system comprises a multi-mode physiological sensing module, a control decision module, an execution module and a feedback module, the signal output end of the multi-mode physiological sensing module is connected with the signal input end of the control decision module, and the instruction output end of the control decision module is connected with the instruction input end of the execution module. The state feedback end of the execution module is connected with the signal input end of the feedback module. The multi-mode sensing layer collects respiratory related entropy change and energy signals, the control decision layer generates instructions through a feedforward pre-judgment and self-adaptive algorithm, the execution layer adjusts ventilation through a rotary proportional valve, and the feedback layer monitors and corrects parameters. The system realizes co-entropy balance of a respiratory system, reduces invalid entropy increase, promotes autonomous respiration, improves the offline success rate, and provides a new'assistance but not substitution 'normal form for respiratory support.

The application provides a respiratory support device and an oxygen concentration detection method thereof. The method comprises the following steps: acquiring a gas characteristic of gas in a respiratory gas flow path and / or a device parameter of the respiratory support device; and determining a target oxygen concentration detection value according to the gas characteristic and / or the device parameter, and optionally outputting the target oxygen concentration detection value, wherein the target oxygen concentration detection value is obtained according to an oxygen concentration detection value of an ultrasonic oxygen sensor at a target moment or a target period when interference of interference gas on oxygen concentration detection meets a preset condition. Thus, the oxygen concentration detection value is not affected by interference, and the detection accuracy is improved.