265 results about "Respiratory support" patented technology

There is provided a computer-implemented method for determining sleep misperception of a subject during a sleep session. The method comprises receiving sleep condition information. The sleep condition information comprises at least one of SDB information and insomnia information. The SDB information is representative of a sleep disordered breathing (SDB) condition of the subject based on a number of SDB events of the subject per unit of time. The computer-implemented method comprises receiving sleep quality information representative of a quality of sleep of the sleep session experienced by the subject. The computer-implemented method comprises determining a degree of sleep misperception based on the sleep condition information and the sleep quality information. The sleep misperception is representative of a difference between a subjective total sleep time of the sleep session experienced by the subject and an objective total sleep time of the subject in the sleep session.

The present disclosure relates to systems and methods for controlling a pressure level of a gas mixture delivered to a patient via a pressure support device adapted to provide respiratory support to the patient over time. More specifically, the systems and methods described herein enable accurate detection of active inspiration of a patient and rapid triggering of increased inspiratory positive airway pressure pulses. Further, the described systems and methods rely on patient pressure measured along the turbulent gas flow path, and find particular applications when the pressure support device is configured to provide non-zero positive end expiratory pressure.

The present invention discloses an intelligent respiratory support and airway clearance auxiliary system, method, device and storage medium, which relates to the field of medical data processing technology. The data acquisition module is used to obtain real-time parameter data; the respiratory analysis unit analyzes the blood oxygen saturation, oxygen partial pressure and carbon dioxide partial pressure data; the lung image data analysis unit intelligently analyzes the lung auscultation image data to identify the lung sputum blockage; the ventilator waveform analysis unit identifies abnormal waveform data based on the waveform data of the ventilator; the airway clearance module is used to determine whether it is necessary to start the Ilohen expectoration breathing mode according to the intelligent analysis results. The present invention uses advanced data processing technology and algorithms to monitor the patient's breathing in real time, and promptly discover and deal with airway problems. Through systematic data collection and analysis, the efficiency and accuracy of airway clearance are improved, the patient's treatment effect is improved, and the patient can actively expectorate while using a ventilator.

The invention discloses an automatic cough identification method for respiratory support equipment, which comprises the following steps of: setting an air leakage threshold, judging whether the air leakage at the current moment is less than the air leakage threshold, if so, executing the next step, otherwise, re-initializing; acquiring flow information of the current task, performing filtering processing to obtain filtering flow of the current task, and calculating a filtering flow difference value between the filtering flow of the current task and the filtering flow of the previous task; the filtering flow difference value and the pressure difference value are judged; if the filtering flow difference value is larger than the pressure difference, 1 is added to the counting value, and the next step is executed; and judging whether the flow waveform has a wave trough, if so, judging whether the counting value is greater than a counting threshold value, and judging whether the absolute value of the current task wave trough value is greater than the average value of the absolute values of the wave trough values of the first N respiratory cycles, and if so, marking the current timestamp as a cough time node. The technical problem that existing respiratory support equipment cannot automatically recognize the cough of a patient and perform early warning is solved.

Provided is an airflow device, for example a respiratory support device, comprising a flow path along which air is displaceable, and an acoustic absorber arranged along at least part of the flow path. Cavities are defined in a material of the acoustic absorber for absorbing sound. The airflow device also comprises an acoustically transparent layer between the flow path and the acoustic absorber. The acoustically transparent layer is configured to transmit sound in the flow path to the acoustic absorber to enable the acoustic absorber to absorb the sound. The acoustically transparent layer has an exterior surface for exposing to the air in the flow path, and an interior surface facing away from the flow path and towards the acoustic absorber.

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.

A connector for a respiratory support system having a first part, a second part, and a retention element. The first part is configured to engage a portion of a respiratory conduit and the second part is configured to engage with another component. The first and second parts together define an internal lumen for the passage of gas through the connector. The retention element defines an outer wall and the first part of the connector comprises a wall spaced inwards from the outer wall, defining a cavity therebetween to receive said portion of the respiratory conduit. The wall of the first part has one or more outwardly-projecting protrusions configured to engage said portion of the respiratory conduit. At least one distance between a surface of the protrusion(s) and an inner surface of the outer wall is less than a maximum wall thickness of the portion of the respiratory conduit.

The calibration method of the mechanical valve is applied to respiratory support equipment and comprises the steps that the mechanical valve is controlled to be opened according to at least three different preset opening states; acquiring corresponding current data and gas flow data of the mechanical valve in different preset opening states; wherein the mechanical valve in a preset opening state corresponds to a group of current data and gas flow data; performing linear fitting on the current data and the gas flow data to obtain linear model parameters; the linear model parameters are input into a preset linear dynamic compensation function, and dynamic compensation parameters corresponding to the mechanical valve are obtained through calculation; and performing dynamic calibration compensation on the original corresponding relation between the current data and the gas flow data according to the dynamic compensation parameters to obtain a new corresponding relation between the current data and the gas flow data. In this way, accurate and efficient dynamic calibration compensation can be carried out on the original corresponding relation between the current data and the gas flow data of the mechanical valve.

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

The invention relates to the technical field of medical instruments, in particular to a tracheal intubation through tracheostomy, which comprises a catheter and a respiration assisting mechanism, a sliding tube is in vertical sliding fit with the inner wall of the lower end of the catheter, the lower end of the sliding tube is wedge-shaped, and air holes are formed in the side wall of the lower end of the sliding tube; an air bag fixedly sleeves the outer wall of the catheter; the guide pipe is slidably sleeved with a chassis, the top of the chassis is fixedly connected with an elastic clamping sleeve, and buffering grooves are symmetrically formed in the two sides of the clamping sleeve. The airbag is positioned below the chassis; the top end of the catheter is fixedly connected with a connector for connecting a respiration assisting mechanism; the catheter is internally provided with an inner drainage assembly used for cleaning sputum attached to the inner wall of the catheter and an outer drainage assembly used for cleaning sputum attached to the outer wall of the catheter. A driving assembly used for driving the sliding pipe to vertically slide in the guide pipe is arranged in the guide pipe. The tracheostomy tube is complete in structure, and the respiratory tract smoothness of a tracheostomy patient or the respiratory support effect of the tracheostomy patient in operative anesthesia can be effectively 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.

There is provided a computer-implemented method for determining sleep misperception of a subject during a sleep session. The method comprises receiving sleep condition information. The sleep condition information comprises at least one of SDB information and insomnia information. The SDB information is representative of a sleep disordered breathing (SDB) condition of the subject based on a number of SDB events of the subject per unit of time. The computer-implemented method comprises receiving sleep quality information representative of a quality of sleep of the sleep session experienced by the subject. The computer-implemented method comprises determining a degree of sleep misperception based on the sleep condition information and the sleep quality information. The sleep misperception is representative of a difference between a subjective total sleep time of the sleep session experienced by the subject and an objective total sleep time of the subject in the sleep session.

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 present invention provides an anesthesia machine and a ventilation control method, wherein a breathing circuit delivers a second gas with an anesthetic to a patient so as to provide anesthesia breathing support for the patient. A ventilation module receives a first gas so as to provide breathing support for the patient at a first ventilation frequency by using the first gas. The anesthesia machine provides, according to a breathing support mode received by a human-computer interaction device, anesthesia breathing support for the patient and / or provides breathing support for the patient. Therefore, the anesthesia machine can be used to provide corresponding ventilation support for a patient as needed in a clinical scenario. The anesthesia machine has a widened range of applications and needs no additional apparatus.

The utility model belongs to the technical field of medical first-aid equipment, and discloses a full-automatic breathing balloon pressing device which comprises a breathing balloon body and a support, the breathing balloon body comprises a balloon, one end of the balloon is connected with a connecting pipe communicated with an inner cavity of the balloon, and the inner wall of the connecting pipe is connected with a pressure sensor and a flow meter respectively. According to the scheme, manual operation is replaced with the automatic pressing structure, and the problems that a traditional breathing balloon is unstable in pressing frequency, uneven in force, fatigue and the like are solved; a pressure sensor and a flow meter are combined to realize real-time monitoring and intelligent regulation and control, so that the ventilation pressure and the tidal volume are effectively controlled, and the safety is improved; the adjustable fixing assembly adapts to various balloon sizes, and stable pressing is ensured; the common and advanced modes adapt to different treatment requirements and are widely applied to pre-hospital first aid and intensive care, and the respiratory support efficiency and reliability are remarkably improved.

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.

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.

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.

To provide a device in which an oral tracheal intubation is replaced with a nasal tracheal intubation.SOLUTION: In a device in which an oral tracheal intubation A including a semicircular tube 1 and a guide tube 2 is replaced with a nasal tracheal intubation, the side of the semicircular tube is provided with an opening for placement of the guide tube or tracheal intubation. The diameter of the guide tube is smaller than that of the semicircular tube, and magnetic portions paired with each other are provided on the inner wall of the semicircular tube as well as on the side wall of the guide tube near the end position. The device can effectively assist in replacing the oral tracheal intubation with nasal tracheal intubation, reduce the multiple risks that may exist in the process of replacing intubation, improve the patient's respiratory support method, and improve the prognosis.SELECTED DRAWING: Figure 3

The invention relates to a device (100) and system for positive pressure ventilation (PPV) and continuous positive airway pressure (CPAP) therapy, the device comprising: a fresh gas flow inlet (2) arranged to receive a fresh gas flow from a fresh gas flow tube (22) connectable thereto; a patient interface end (3) arranged to connect with a patient interface; an outlet (4) having an open end (5); a variable flow CPAP generator (6) comprising a first, second and third connection portion (10, 11, 12), wherein the first connection portion is connected with the fresh gas flow inlet, the second connection portion is connected with the patient interface end, and the third connection portion is connected with the outlet, wherein the generated CPAP level is adjusted by varying the fresh gas flow to the variable flow CPAP generator. The device further comprises an internal leak channel (9) arranged to extend between the fresh gas flow inlet and at least one of the patient interface end and the outlet, so as to create an internal fresh gas leak flow therebetween, bypassing the first connection portion of the variable flow CPAP generator, which internal fresh gas leak flow is added to the fresh gas flow provided by the variable flow CPAP generator in PPV mode. A simplified device and system, respectively, are provided which are easy to use and allow for quick switching between PPV and CPAP therapy without the need to change equipment.

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 invention belongs to the technical field of medical instruments, and particularly relates to an anesthesia respirator which comprises an anesthesia respirator body and a PLC arranged on the anesthesia respirator body, the PLC controls operation of the anesthesia respirator body through a built-in program, and the anesthesia respirator further comprises a lower air guide seat fixedly arranged on the upper side of the anesthesia respirator body and used for guiding air in the lower side of the anesthesia respirator body. And the lower air guide seat is fixedly provided with an upper air guide seat through a support frame. The switching speed of the soda lime filter cartridge can be adjusted in real time according to the amount of waste gas generated by metabolism of a patient, the problem that resources are wasted or use is affected due to the fact that soda lime is replaced at a fixed time in traditional equipment is solved, in addition, the soda lime filter cartridge can be rapidly and automatically switched, the replacement time is greatly shortened, and the working efficiency is improved. The waste gas treatment interruption is avoided, the continuity of respiratory support of a patient is guaranteed, meanwhile, the device has multiple waste gas pretreatment functions of flow monitoring, sterilization, turbulent flow, temperature control and the like, and the waste gas treatment efficiency and quality are improved.

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.

The utility model discloses a heating and humidifying device applied to a breathing off-line patient in the technical field of medical equipment, which comprises an atomizer main machine, an atomizing air outlet, an air inlet pipe and a liquid supplementing assembly are respectively arranged on the atomizer main machine, the air inlet pipe is used for connecting an oxygen catheter, the atomizing air outlet is in butt joint with a heating detection assembly, and the liquid supplementing assembly is in butt joint with the liquid supplementing assembly. The heating detection assembly is communicated with a mist pipe, the liquid supplementing assembly comprises a liquid conveying pipe detachably connected with the atomizer main machine, the top end of the liquid conveying pipe is connected with a sterilization water storage bag, a second flow adjusting valve is installed on the liquid conveying pipe, and the heating detection assembly comprises a heating pipe detachably connected with an atomization air outlet. A monitoring pipe with a built-in temperature and humidity sensor is arranged at the end, away from the atomization air outlet, of the heating pipe. The problems that a humidifying device does not have the heating and humidifying functions, and sterilization water in the humidifying device needs to be added by medical staff are solved.

There is provided a computer program product, comprising instructions which, when executed by a processing unit, cause the processing unit to carry out a method for controlling a respiratory support device to provide a pressurized airflow to a subject. The method comprises the steps of receiving a respiratory signal representative of respiratory information of the subject, determining at least one of a hypoxia and a hypercapnia based on the respiratory signal, and providing a control signal to the respiratory support device in response to determining the at least one of a hypoxia and a hypercapnia. Further, there is provided a respiratory support device for providing a pressurized airflow to a subject.