194 results about "Patient ventilated" patented technology

The invention relates to the technical field of biomedical engineering, and discloses an acute respiratory distress syndrome mechanical ventilation adaptive adjustment control system, which comprises a data acquisition module, a signal preprocessing module, a physiological parameter calculation module, a prediction module, a decision and control logic module and the like. Wherein the prediction module predicts a dynamic lung compliance change trend by using a long short-term memory neural network model, and the decision and control logic module generates a ventilation parameter adjustment instruction according to a prediction result and a clinical safety rule. By adopting the technical scheme, the system overcomes the hysteresis of traditional feedback regulation, reduces the risk of breathing machine related lung injury, optimizes oxygenation and carbon dioxide removal efficiency, and provides an accurate, safe and individualized mechanical ventilation treatment scheme.

The invention discloses a patient transfer intelligent monitoring platform based on the Internet of Things and the intelligent wearing technology, and relates to the technical field of transfer intelligent monitoring, and the platform comprises an intelligent wearing equipment module which is used for carrying out the time sequence collection of physical sign data in a transfer process, and obtaining a physical sign monitoring data sequence; the medical equipment interconnection module is used for carrying out simultaneous multi-terminal data acquisition; the data transmission network module is used for determining an infusion pump infusion speed analysis result, a physical sign abnormal mode analysis result, a monitoring terminal abnormal mode analysis result and an oxygen consumption reserve analysis result; and the alarm and display module is used for graded alarm and shared display of the electronic handover bill. The technical problems that in the prior art, continuous dynamic monitoring cannot be achieved in the transferring process of the invasive mechanical ventilation patient, the early warning capability is lacked, and handover communication is not smooth are solved, and the technical effects that physical sign data and medical equipment parameters in the transferring process of the patient are collected in real time, and transferring monitoring continuity and handover efficiency are improved are achieved.

The invention provides a method and system for determining the volume of the end-expiratory lung and a breathing machine, and relates to the technical field of breathing detection.The method comprises the steps that the volume-impedance relation of the lung of a target object is obtained; and determining the end-expiratory lung volume of the target object based on the absolute impedance of the lung of the target object at the end-expiratory moment and the volume-impedance relationship. According to the method and system for determining the end-expiratory lung volume and the breathing machine, the end-expiratory lung volume can be determined, lung function evaluation, mechanical ventilation strategy guidance, prognosis improvement and the like are facilitated, and the practicability is high. And meanwhile, the device also has the advantages of no radiation, no invasion, low cost, convenience in operation, less time consumption, no requirement on special working environment, low matching requirement on patients, bedside operation, suitability for critical patients and the like.

The invention provides an intelligent pressure-reducing non-invasive mechanical ventilation mask based on a flexible pressure sensing technology, which comprises a mechanical ventilation mask, a display and alarm module and a mask state AI analysis system, and aims to solve the problem that the existing non-invasive mechanical ventilation mask is easy to cause pressure injury to the face of a patient in the use process. The flexible pressure sensing technology is combined with the non-invasive mechanical ventilation mask, the pressure magnitude and the pressure distribution condition of the mask and all contact parts of the face of a patient are accurately sensed, and a basis is provided for adjusting the mask wearing mode and pressure parameters; through pressure information fed back in real time, the wearing state of the mask is adjusted in time, pressure distribution is optimized, local pressure is prevented from being too high, and therefore pressure injury is effectively prevented. Flexible sensing and intelligent prevention are integrated, when it is monitored that the pressure exceeds a preset threshold value, the system automatically sends out an early warning prompt signal, meanwhile, prevention analysis is conducted according to the state of a patient, medical staff is reminded to adjust the face mask wearing state in time, and intelligent prevention is achieved.

A system for generating an assurance value for autonomous ventilation of a patient is provided, and includes a computer, a storage device, a ventilator, and a device for acquiring patient physiological data associated with the patient. Instructions are provided that, when executed by the computer, cause the computer to generate the assurance value using a method which includes: determining an adaptive patient digital twin and a correlated ventilator model; receiving patient physiological data during a time period; processing the adaptive patient digital twin and the correlated ventilator model to generate expected patient physiological data during a second time period; receiving the patient physiological data during the second time period; and processing the patient physiological data during the second time period and the expected patient physiological data during the second time period to generate an assurance value associated with the adaptive patient digital twin and the correlated ventilator model.

1. Name of the designed product: Non-invasive respirator (HepoRes R2). 2. Use of the designed product: Medical equipment for treating patients with respiratory insufficiency requiring mechanical ventilation. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The application provides a decision-making method for the whole process of mechanical ventilation weaning, characterized by comprising the following steps: acquiring various index data of a patient at a first frequency to construct a patient index database; identifying an offline window period through key index data in the offline window period in the patient index database and AI captured dynamic behavior signals; in the offline window period, starting and performing a spontaneous breathing test, acquiring key index data of the offline window at a second frequency, generating a spontaneous breathing test tolerance score, and pushing a suggestion to medical staff on whether to perform weaning based on the spontaneous breathing test tolerance score; after the medical staff wean, monitoring key outcome index data at a third frequency, evaluating the recovery of the patient to obtain an evaluation result, and judging whether to intervene according to the evaluation result. In the whole weaning process, different frequencies are used to acquire corresponding index data at different stages, ensuring accurate grasp of the patient's condition.

The utility model discloses an outdoor build treatment place fast cut formula ventilation device, specifically related to indoor ventilation technical field, including installation frame and air pipe, the bottom end of air pipe is through installation frame and is with its through bearing swing joint, and the bottom swing of air pipe is provided with fan, and the inside fixed connection of installation frame has support plate, is provided with mobile assembly on support plate, and mobile assembly includes second stepper motor, screw rod, slide and moving plate, and second stepper motor fixed mounting is in the inside one side of installation frame. The utility model discloses through fan work produces suction, extracts the air in treatment place, and indoor air is discharged through air scoop, and second stepper motor works and drives fan and standpipe horizontal movement, and make fan and standpipe away from air pipe, and external air can enter air pipe through air scoop, and finally through installation frame into treatment place, simple operation can be switched to natural ventilation and mechanical ventilation quickly.

A test platform for simulating patient conditions. In accordance with methods, systems, platforms and modules, the controller of a ventilator, may be tested. Where the ventilator manages automated mechanical ventilation controllers' maintenance of peripheral oxygen saturation (SpO2) for a simulated patient, an analogue blood oxygen output signal that is responsive to the fraction of inspired oxygen (FiO2) and the peak inspiratory pressure ventilator settings of the ventilator is tested by a test platform controller. Where the ventilator manages end-tidal carbon dioxide (EtCO2) of a simulated patient, operation of the test platform controlled by the platform controller of the test platform in providing carbon dioxide generation, lung compliance (CL) and airway resistance (RAW) states while providing an EtCO2 level that is responsive to changes in tidal volume and respiratory rate changes of the patient is tested.

The present disclosure provides a unique solution for assisting in the ventilation of lungs of subject that is performed by artificial mechanical ventilator. The solution of the present invention improves the efficiency of the ventilation effect by applying desired pressure profile on portions of the upper body part of the subject in synchronization with the mechanical ventilator operation, thereby creating a desired pressure profile or gradient in the lungs airways to ensure that air pumped into the lungs by the mechanical ventilator spreads more homogeneously in the lungs than without the intervention of the system of the present invention. The application of pressure is determined after analyzing data from sensors of the system that are placed on a plurality of portions on the upper body part of the subject and data received from the mechanical ventilator. These sensors sense data indicative of the ventilation profile within the lungs, i.e. pressure profile along different portions of the lung. The system provides extra-thoracic pressure on the rib cage according to pre-defined and adaptive algorithms based on the physiological status, the respiratory mechanics, and the inhomogeneous nature of lung injury. By applying pressure to the hyperventilated areas and reducing the transpulmonary pressure gradient, the system prevents hyperinflation trauma to the open areas and atelecto-trauma to the closed areas. The system is synchronized with the mechanical ventilator and adapt to changes in the patient's respiratory mechanics.

This invention discloses an intelligent ventilation and control system for hazardous waste containers, relating to the fields of ventilation systems and control technology. It aims to solve the technical problems of traditional hazardous waste container ventilation systems, such as low ventilation efficiency, high energy consumption, inability to dynamically adjust ventilation volume according to the hazardous waste status, and the tendency to lead to the accumulation of harmful gases or resource waste. The system includes: a container monitoring module, located inside and outside the container, for collecting environmental parameters; an intelligent ventilation execution module, used to coordinate with the ventilation and natural ventilation openings to adjust the ventilation state inside the container; a linkage control center, used to process monitoring data and generate control commands; and an energy supply unit, providing power to all modules of the system. This invention, through a dynamic strategy of "natural ventilation priority + mechanical ventilation assistance," accurately matches the ventilation needs of different hazardous wastes, solving the core problem of existing systems' inability to dynamically adjust according to the characteristics of hazardous waste and the real-time environment.

This invention provides a ventilation and defogging system for integrated utility tunnel ventilation, relating to the field of ventilation control technology. The system further includes: a circulation pipe assembly fixedly connected to the main body of the utility tunnel and the ventilation shaft; and a mechanical ventilation component, the bottom of which is installed on top of a firewall, and the top of which is inserted into the ventilation shaft. Air within the main body of the utility tunnel is dehumidified and purified by the circulation pipe assembly, and then returned to the interior of the main body of the utility tunnel via the mechanical ventilation component. This isolates the external environment while achieving internal air circulation, dehumidification, and purification within the main body of the utility tunnel, thus optimizing the air quality inside the utility tunnel.

A mechanical ventilation assistance device includes at least one electronic controller configured to receive positional data of a patient; determine a position of an imaging device configured to obtain imaging data of the patient based on the received positional data; and display, on a display device, a representation of the determined position of the imaging device.

The utility model discloses a mechanical ventilation newborn restraint belt belongs to restraint belt field. A mechanical ventilation newborn restraint belt, including main body pad, the both sides of main body pad are close to the end part and are installed with first trunk band and second trunk band respectively, the bottom of first trunk band is equipped with second magic tape wool surface, the top of second trunk band is equipped with the second magic tape hook surface cooperation of second magic tape wool surface main body pad's both sides close to the middle part are equipped with two connecting belts, and the arm band is slidably installed on the connecting belt, the utility model discloses a main body pad and the first trunk band and the second trunk band and the arm band and lower limbs connecting belt that are connected with main body pad are set up, and when using, can conveniently and fastly restrain the upper body and the limbs of newborn, can adjust the activity range of newborn through the arm band and lower limbs connecting belt after restraint, improve the comfort degree, and simple and convenient operation improves the restraint efficiency.

The utility model relates to the technical field of seed fumigation, in particular to a roadway circulation fumigation system suitable for a seed stack, which comprises a layer-changing transfer device, a circulation fumigation device, a tail gas treatment device, a mechanical ventilation device and at least one group of roadways, the layer-changing transfer device is used for conveying the seed stacks into the roadway; the circulation fumigation device is communicated with each roadway and is used for introducing a fumigant into each roadway for seed fumigation; the tail gas treatment device is communicated with the circulation fumigation device and is used for purifying and discharging tail gas generated in each roadway; and the mechanical ventilation device is communicated with the circulation fumigation device and is used for ventilating each roadway. The seed fumigating device can shorten the fumigating time, save the production cost, ensure that the concentration of the fumigant in the roadway is uniform and the fumigant is in full contact with the seeds, improve the utilization rate of the fumigant and improve the seed fumigating quality.

This invention relates to the field of ventilator technology, and discloses a method, device, ventilator, and medium for managing mechanical ventilation in a ventilator. The method includes: acquiring mechanical ventilation parameters; determining that the ventilator is operating in a target ventilation mode based on the mechanical ventilation parameters, performing leak detection on the ventilator, and obtaining a leak detection result; when the leak detection result indicates that mechanical ventilation is normal, performing oxygenation management on the target subject, and obtaining an oxygenation management result; when the oxygenation management result indicates that blood oxygen saturation reaches a preset oxygenation threshold, performing pH testing on the target subject, and obtaining a pH testing result; when the pH testing result indicates that the pH is within a preset pH testing range, maintaining continuous operation of the ventilator in the target ventilation mode. This invention simplifies complex adjustment processes through algorithmic control, reduces repetitive work, lowers the professional requirements for operators, and thus improves adjustment efficiency.

The present invention proposes a method for energy-saving temperature control in pig houses based on a multi-objective optimization algorithm. The specific method is as follows: first, CFD is used to establish a temperature field response model in the pig house under mechanical ventilation mode, and the Elman neural network is combined to obtain a rapid temperature field prediction model. Then, the time period that needs to be regulated is divided into multiple regulation sub-periods, and the average value of the environmental factors inside and outside the house in the first 5 minutes of the sub-period is obtained as the input of the regulation model. With the control effect and the minimum control energy consumption as the goal, the fitness evaluation function is constructed using the above-mentioned neural network rapid prediction model. Finally, the control parameters are optimized using the improved INFO algorithm that adds chaotic mapping and adaptive t-distribution strategy. The energy-priority preference decision method is used to select the optimal solution from the non-inferior solution set for sub-period control. This method combines numerical simulation with Internet of Things technology, and at the same time uses a multi-objective optimization algorithm to optimize the control parameters, which is conducive to saving energy consumption and improving efficiency.

A mechanical ventilation system comprises a plurality of ventilation therapy sub-systems. Each of the ventilation therapy sub-systems is adapted to assist a respiratory function of the patient. The system also comprises a detector of the respiratory drive of the patient, an operator interface receiving one or more control parameters, and a main controller. The main controller assigns a therapeutic contribution to each of the ventilation therapy sub-systems based on the respiratory drive of the patient and on the control parameters. The controller modulates the respiratory drive of a patient by controlling each of the plurality of the ventilation therapy sub-systems according to its assigned therapeutic contribution. Distinct ventilation therapy sub-systems may apply negative pressure on the abdomen of the patient, deliver a non-pressurizing inspiratory flow to the patient, or induce a positive pressure in the airways of the patient.

1. The name of the design product: emergency rescue breathing machine. 2. The use of the design product: the design product is used to provide continuous and stable mechanical ventilation support during patient transfer, ensuring the respiratory safety of patients in multiple scenarios such as pre-hospital emergency, in-hospital transfer, and long-distance referral. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a kind of application system of sitting eight-sections in COPD mechanical ventilation patient, including nurse hierarchical intervention module, man-machine synchronization module, multi-dimensional monitoring early warning module and continuity management module.The advantages of the present application: improve self-care ability of daily life, improve the critical level of patient course, reduce the hospitalization time of patient, promote the early rehabilitation of COPD mechanical ventilation patient, enhance lung function after exercise this project after discharge, avoid repeated attacks, improve the quality of life, reduce the admission rate, improve patient and family satisfaction, shorten the hospitalization time of COPD patient, reduce hospitalization expenses, reduce the readmission rate, also reduce the economic burden for society.

The invention discloses a residential building intelligent ventilation control method, system and device based on health requirements and natural ventilation potential and a storage medium, and relates to the technical field of building environment and energy conservation, and the method comprises the steps: determining the minimum ventilation quantity of the health requirements of a target control region based on the dosage-reaction relation between the ventilation quantity and regional population health; collecting the real-time natural ventilation quantity of the target control area; according to the minimum ventilation quantity and the real-time natural ventilation quantity required by health, whether a mechanical ventilation system needs to be started or not is judged; and controlling the mechanical ventilation system to operate according to the optimal intermittent operation control strategy. According to the method, the health demand ventilation target is set based on the dose-reaction relationship between the ventilation quantity and the human health, and compared with control based on single pollutant concentration, the method can more comprehensively reflect the human health demand. The optimal intermittent operation strategy of the mechanical ventilation system is determined through a multi-objective optimization algorithm, the health risk and energy consumption are balanced, and energy-saving and efficient ventilation control is achieved.

The invention discloses a multi-airway leaflet lung mechanical ventilation system, and relates to the technical field of medical equipment, the multi-airway leaflet lung mechanical ventilation system comprises a controller, an air path module and a catheter module, the air path module is electrically connected with the controller, and a pipeline is connected with the catheter module; the conduit module is connected with the controller; the conduit module comprises a ventilation pipeline and a plurality of branch ventilation conduits, and the branch ventilation conduits are in pipeline connection with the gas path module; and a motion control module is arranged on the branch ventilation guide pipe and is connected with the controller. Independent ventilation of a plurality of lung areas is achieved under one device, refined ventilation treatment is conducted on different lung areas, meanwhile, real-time monitoring of ventilation conditions of different lung areas can be achieved, and the treatment effect of mechanical ventilation is improved.

The present application relates to pig breeding equipment technical field, and disclose a kind of temperature control ventilation control energy-saving type piglet nursery pig house, including chassis, including chassis, the top of the both sides of chassis is fixedly connected with ventilation support, the top of ventilation support is fixedly connected with ventilation pipe, the both ends of ventilation pipe are fixedly installed with filter screen, the top of ventilation pipe is fixedly connected with air regulating duct.The space in the pig house is divided by protective fence, the effect that ventilation volume is proportional to the aggregation of piglet is realized, and respiratory diseases and other problems caused by poor ventilation in pig dense area are avoided;By installing fan in the air pipe, the ventilation effect in piglet dense area is strengthened, natural ventilation and mechanical ventilation are combined, and it is more energy-saving and environment-friendly;By adding temperature rising spiral in ventilation long groove, the wind blown after passing through air pipe becomes hot air by temperature rising, to avoid piglet from catching disease due to chilling in the process of winter ventilation.

The invention discloses a clinical prediction method for PACU precise extubation of an old general anesthesia long-term mechanical ventilation patient, and belongs to the field of clinical medicine statistics, and the method comprises the steps: S1, carrying out the inclusion of the patient according to a preset inclusion standard and an exclusion standard; s2, informing the elderly patients meeting the inclusion standard of agreement; s3, anesthesia resuscitation is conducted on the old general anesthesia patient entering the PACU, and then whether the patient can conduct a spontaneous respiration test or not is judged according to evaluation before off-line and predefined off-line preparation of an SBT test; s4, bedside lung ultrasonic examination is carried out before tube drawing, the trachea cannula is pulled out after the SBT test is passed, nasal catheter oxygen inhalation (3 L / min) is conventionally carried out after tube drawing, the blood oxygen saturation degree is recorded, and blood gas analysis examination is carried out 5 min after tube drawing; s5, predicting the possibility of tube drawing through the column diagram constructed by the method; according to the invention, medical staff can be guided to determine the preparation condition of extubation of old patients after general anesthesia, and long-term negative effects related to extubation failure can be reduced as much as possible.

This disclosure provides a breathing recognition method applicable in a ventilation apparatus. In the breathing recognition method, an airway pressure and a gas flow rate can be acquired during mechanical ventilation; correlation data corresponding to the airway pressure and the gas flow rate can be determined according to the airway pressure and the gas flow rate; and a breathing state of a patient can be recognized according to a change in the correlation data.

The application discloses a mechanical ventilation related complication monitoring method, comprising: obtaining minimum positive end-expiratory pressure information and minimum oxygen concentration information of a user; judging whether the minimum positive end-expiratory pressure information and / or the minimum oxygen concentration information satisfies a first preset condition, if yes, determining that the current monitoring information is first monitoring information and the corresponding first monitoring time; obtaining a second monitoring time range according to the first monitoring time, and obtaining the user's daily body temperature abnormality identifier or white blood cell value abnormality identifier, pathogenic bacteria information and the user's continuous use of new antibacterial drug information in the second monitoring time range; judging whether the above information satisfies a second preset condition, if yes, determining that the current monitoring information is second monitoring information; if not, judging whether the body temperature abnormality identifier or the white blood cell value abnormality identifier and the user's continuous use of new antibacterial drug information satisfies a third preset condition, if yes, determining that the current monitoring information is third monitoring information.

The invention provides a multifunctional automatic maritime single sick and wounded transferring device and method, and relates to the technical field of maritime rescue, the multifunctional automatic maritime single sick and wounded transferring device comprises a hovercraft body, a middle-layer plate is fixed to the top of the hovercraft body, and a central controller, a cardio-pulmonary resuscitator, a defibrillation monitor, a mechanical ventilator, a pressurization infusion apparatus and a lithium battery are fixed in the middle-layer plate; a first plate body is fixed to one end of the top of the middle-layer plate, and a second plate body is hinged to one end of the first plate body. According to the device, the central controller is set according to the position needing to be transported, then the hovercraft body and the wounded person are moved to the sea surface from the ship, fan blades are driven by a servo motor to rotate, wind power is generated to push the hovercraft body to move, an electric telescopic rod stretches out and draws back, a conveying rod is driven to move, and then a rotating shaft is driven to rotate by a certain angle; the moving direction of the hovercraft body is controlled by changing the direction of the fan blades, and the hovercraft body is navigated to a designated place, so that the effect of quickly and automatically transporting the wounded can be achieved.

A mechanical ventilation evaluation auxiliary device comprises at least one electronic processor; and a non-transitory storage medium storing instructions readable and executable by the at least one electronic processor to execute a mechanical ventilation assessment assistance method, the mechanical ventilation assessment assistance method comprising obtaining an image of a patient (P) undergoing mechanical ventilation; generating or updating a patient-specific lung model of at least one lung of the patient based on the obtained images; simulating a patient's response to mechanical ventilation therapy using the generated or updated patient-specific lung model; comparing the simulated response to an actual response of the patient to the mechanical ventilation treatment; based on the comparison, determining an imaging recommendation for acquiring an image of the at least one lung of the patient; and outputting the determined imaging recommendation.

The present invention relates to a face mask (also called full face) for respiratory therapy, in particular for non-invasive mechanical ventilation, with a low value of CO2 rebreathing. The mask according to the invention is of the type comprising a shaped shell (11) configured so as to cover at least the mouth, the nose and the eyes of a patient when the mask is worn, and is characterised in that it comprises, on said shaped shell (11) an inlet fitting (17) for the connection to a pipe through which a ventilation apparatus supplies the mask with a mixture of air and oxygen, and an outlet fitting (15), separate from said inlet fitting (17), for the discharge of air exhaled by the patient. With this arrangement, the mask according to the invention allows drastically reducing the phenomenon of carbon dioxide rebreathing, very harmful for the patient subjected to ventilation.

The invention relates to a non-invasive respiratory assistance system (10) comprising, at the top, a respiratory mask (11) anatomically shaped to cover at least the nose of a patient's face, said mask (11) comprising a front face (13) and a through channel (14) intended to be hermetically connected with a mechanical ventilation device, and a medical device (1) for maintaining airway patency, comprising a longitudinal guide (2); grasping means (3) and a component (4) comprising a spatula; said system (10) comprising means for fixing and locking said device (1) in insertion within the mouth of said patient; said device (1) being mounted through-hole between said mask (11) and said fixing and locking means, said grasping means (3) and said control means (5) being located on the side of the front face (13) of said mask (11). Figure for the abstract: Fig. 20