522 results about "Type ventilator" patented technology

The invention relates to a multi-parameter centralized monitoring method, system and equipment for a noninvasive ventilator and a medium. The method comprises the steps that firstly, original parameter data and coding rules of noninvasive respirators of all brands are obtained, format unification processing is conducted on the original parameter data by constructing a standardized data mapping table, and a parameter data set is obtained; transmitting the parameter data set to a local gateway by adopting a low-power-consumption Bluetooth protocol to generate an alarm data set; analyzing the dynamic change trend of the parameters by combining the parameter data set and the alarm data set, and generating a monitoring report data set; and finally, extracting a continuous abnormal trend based on the monitoring report data set, performing priority ranking according to the emergency degree to generate an intervention instruction, and tracking the processing state of the intervention instruction to obtain a final decision data set. According to the method, data intercommunication of noninvasive respirators of different brands is realized, the hysteresis of manual inspection is avoided, the timeliness and accuracy of abnormal response are improved, and the safety of patients is guaranteed.

The utility model discloses a breathing machine humidifying tank and a breathing machine system, and relates to the field of medical instruments. The breathing machine humidifying tank comprises a tank body, a guide sleeve, a telescopic water bag and an operating rod. The tank main body is provided with a highest water line; the telescopic water bag is located in the tank body and horizontally arranged, the top of the telescopic water bag is higher than the highest water line, the telescopic water bag comprises a telescopic sleeve and a hard end plate, one end of the telescopic sleeve is connected with the tank body, the hard end plate is connected with the other end of the telescopic sleeve, and a water suction and drainage hole is formed in the hard end plate and lower than the highest water line. The guide sleeve and the telescopic water bag are arranged in the same direction, and the guide sleeve is connected with the tank body and corresponds to the telescopic water bag in position. And the operating rod penetrates through the guide sleeve, is matched with the guide sleeve and is sealed with the guide sleeve, and the operating rod is connected with the hard end plate. The breathing machine humidifying tank is installed on the breathing machine main machine, and a temperature and humidity sensor and a push-pull structure are arranged in a matched mode to obtain the breathing machine system. According to the utility model, the temperature and humidity of the humidified air at the patient end can be optimal.

The invention relates to the technical field of general control or regulation systems, in particular to a critical patient respirator parameter adaptive optimization control method, which comprises the following steps of: acquiring and processing physiological signals; constructing a dynamic respiration mechanical model based on a sliding time window recursive recognition algorithm; a man-machine coordination index is calculated, and the desynchrony degree is quantified; generating a ventilation parameter adjustment scheme through the reinforcement learning strategy network; and executing smoothing parameter adjustment, and introducing a safety boundary and a secondary fine adjustment mechanism. The breathing state of the critical patient can be accurately perceived and intelligently regulated and controlled, the ventilation efficiency is guaranteed, meanwhile, the man-machine synchronism and safety are improved, the medical care burden is relieved, and the prognosis of the patient is improved.

The invention discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform has a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly stored, indoor environment air can be purified, and the like.

Disclosed is an NO delivery device for supplying an NO-containing gas, including an NO injection line, a flow rate measurement device and a valve device. The valve device is normally closed. An emergency line connected to the injection line includes an emergency solenoid valve, which is normally open, and a flow rate control device. An operating unit operates these elements. In the event of malfunction of the operating unit, the emergency solenoid valve passes to an open position, whilst the valve device passes to a closed position. The flow rate control device supplies the gas at a pre-fixed emergency flow rate of gas, determined on the basis of the gas flow rate measurements supplied by the flow rate measurement device during the normal functioning of the device prior to the malfunction. Gas supply installation including such an NO delivery device and a medical ventilator.

The invention provides a high ventilation method for maintaining equal carbonic acid through exogenous CO2 gas and a breathing device. Belongs to the technical field of gas exchange. The method comprises the steps that physiological monitoring data of a patient are collected in real time, and meanwhile parameters of a breathing machine are obtained; inputting the collected data into a pre-trained time sequence prediction model; performing data fusion based on the EtCO2 predicted value, the currently actually measured physiological data and the static parameters of the patient to form a comprehensive evaluation result; and through a control algorithm, an incremental adjustment instruction of the exogenous CO2 supplementary flow is obtained through calculation based on the comprehensive evaluation result. The CO2 demand is estimated in real time through a dynamic prediction model, static estimation is replaced, and the control accuracy and the response speed are remarkably improved; through a multi-modal data fusion technology, dynamic and static physiological parameters are comprehensively applied, so that a control strategy can better reflect the individualized physiological status of a patient.

The invention provides a control method and system for interaction between emergency simulation training and a real respirator, and the method comprises the steps: collecting control parameters of the respirator, and carrying out the preprocessing of the control parameters, and obtaining an equipment parameter vector; calculating a physiological response state based on the device parameter vector; the physiological response state comprises alveolar pressure and oxygenation estimation; based on the physiological response state, performing quantitative judgment on the disease stage of the patient to obtain a current disease stage, and executing a corresponding evolution instruction set; a medical specification operation reference table is constructed, a target interval is extracted from the current illness state stage and the evolution instruction set, the matching degree of the target interval and a reference interval is calculated, and the reference interval is extracted from the medical specification operation reference table; determining whether to continue evolution, enter relieving or mark training is completed based on the matching degree; the breathing gas of the patient is simulated and restored through the gas compressor and the gas mixing device and is conveyed to the real breathing machine.

The invention relates to the technical field of medical equipment, in particular to an edge calculation respirator system and method for adaptive ventilation control, and the system comprises a respirator end which is provided with an edge calculation module and a local control model; the edge calculation module is used for collecting multi-modal physiological parameters of a patient and performing data preprocessing on the multi-modal physiological parameters of the patient to generate a multi-dimensional feature vector; the local control model carries out real-time self-adaptive adjustment on ventilation parameters of the breathing machine based on the multi-modal physiological parameters of the patient and the baseline characteristics of the patient; the cloud server is in communication connection with the respirator end and is configured with a global optimization model; and the cloud server receives historical ventilation data of the respirator end, and the global optimization model performs training based on the historical ventilation data to generate a personalized ventilation strategy, and issues the personalized ventilation strategy to the respirator end for correcting adjustment of the local control model. According to the invention, low latency and high reliability of bedside control are guaranteed through a side cloud collaborative architecture.

A noise-reducing air passage device for use in respiratory machines, which includes a housing with an inner wall and an outer wall. The housing also has at least one gas inlet and at least one gas outlet, with the space through which the airflow moves from the inlet to the outlet forming the gas passage of the noise-reducing air passage device. The gas passage forms at least one chamber, within which a blower, serving as the core component of the noise-reducing air passage device, is placed. There is an inlet pipe at the gas inlet and an outlet pipe at the gas outlet. Additionally, the gas passage includes no foam.

A resting device (1) for an infant is disclosed, comprising: a central section (2) having a support surface (4) configured to hold the infant, having a first longitudinal edge, a second longitudinal edge opposite the first longitudinal edge; a first side section (10) extending from the first longitudinal edge, the first side section (10) being movable in a first plane relative to the central section (2); a second side section (20) extending from a second longitudinal edge, the second side section (20) being movable in a second plane relative to the central section (2); the resting device (1) further comprises at least one securing element (30, 31, 32) configured to receive and secure a tube, such as an IV tube, a monitor lead and / or a respirator tube. The invention also relates to a method for transferring an infant.

The application relates to a breathing machine pipeline condensate water collecting device, which comprises a connecting bottle and a collecting bottle. An accommodating cavity is formed on the connecting bottle, and the accommodating cavity is communicated with a breathing machine pipeline. A collecting cavity is formed on the collecting bottle. The device further comprises a plugging device, which comprises a plugging block, a reset member, a connecting mechanism and an adjusting mechanism. A communicating hole communicated with the accommodating cavity is formed on the connecting bottle. The plugging block is rotatably arranged on the connecting bottle and can plug the communicating hole. The reset member is arranged on the connecting bottle and connected with the plugging block. The connecting mechanism is arranged on the collecting bottle and connected with the connecting bottle. When the collecting bottle is connected with the connecting bottle through the connecting mechanism, the adjusting mechanism adjusts the position of the plugging block so that the plugging block no longer plugs the communicating hole. The application has the effect of reducing safety hazards.

This utility model discloses a ventilator connecting tube fixing mechanism, belonging to the field of medical equipment technology. It includes a clamping assembly for holding the ventilator connecting tube. The clamping assembly comprises a mounting plate and two arc-shaped plates. The sides of the arc-shaped plates have grooves, and two sliding plates are connected to the inner walls of the grooves. Movable plates are welded to the sides of the sliding plates. Threaded blocks are embedded and fixedly connected to the sides of the sliding plates and the two movable plates. Threaded blocks are threadedly connected to threaded rods. A limit bearing is interference-fitted to the end face of the threaded rod. A movable block is embedded and fixedly connected to the outer ring of the limit bearing. A clamping plate for holding the ventilator connecting tube is welded to the side of the movable block. A limit plate is welded to the side of the movable block away from the clamping plate. The side of the threaded block is slidably connected to the limit plate. This utility model improves the clamping and fixing effect of the ventilator connecting tube by clamping and fixing it within the corrugated grooves.

This invention belongs to the technical field of medical tubing condensate early warning equipment, and specifically relates to a device for condensate early warning in ventilator tubing collection cups. The device includes a U-shaped tube with a vertical through-hole in the horizontal section of the tube wall. A guide rod is movably fitted into the wall of the vertical through-hole. A threaded hole is formed in the wall of the vertical through-hole, and a first limiting bolt is threaded into the wall of the threaded hole. This invention's device features independent support for the patient bed, automatic correction of the collection cup's posture, and non-contact liquid level warning. The height and horizontal position of the device can be flexibly adjusted, solving the problems of traditional suspended collection cups easily tilting, leading to condensate accumulation and backflow; overload causing tubing connections to detach; and blind spots in manual inspections. It effectively improves the safety and stability of ventilator tubing ventilation, meets hospital infection control requirements, eliminates the risk of cross-infection, reduces nursing workload, and effectively protects patient safety.

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 discloses an early warning method, device and equipment for treatment data of a household breathing machine and a storage medium, and relates to the technical field of data processing, and the early warning method comprises the steps: obtaining current breathing sleep monitoring data, uploaded by the household breathing machine, of a user in a treatment process every preset period; analyzing the current breathing sleep monitoring data to obtain the use duration, the AHI frequency, the treatment pressure and the air leakage; according to a multi-condition early warning rule and at least one of the use duration, the AHI frequency, the treatment pressure and the air leakage, whether the household breathing machine meets early warning conditions or not is determined; when the household breathing machine meets the early warning condition, a target early warning mode is determined; and carrying out early warning on the household breathing machine through the target early warning mode. Comprehensive evaluation is carried out through the multi-condition early warning rule, once the household breathing machine meets the early warning condition, the user is reminded through a multi-channel early warning mode, and therefore the use safety and the treatment effect of the household breathing machine are effectively improved.

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.

A method and system for controlling the intake gas pressure of a ventilator, and a computer program product. The method comprises: acquiring a flow signal collected by a gas path flow sensor (101) and generating a collected flow function (S201); on the basis of the collected flow function, performing time domain signal reconstruction to generate a reconstructed signal (S203); on the basis of the reconstructed signal and a pressure signal collected by a pressure sensor (105), obtaining an estimated patient end pressure signal (S205); and on the basis of the estimated patient end pressure signal serving as a feedback signal for intake gas pressure closed-loop regulation, controlling the rotation speed of a fan (103) (S207). The collected flow signal undergoes time domain signal reconstruction to obtain the real-time flow reconstructed signal, so as to implement phase compensation of the collected signal, thereby implementing pressure control having a good tracking effect, and reducing device development costs.

An intelligent networked energy recovery ventilator includes a main body, a filtering component, an air guiding fan, a heat exchange core, a host driving controller and a gas detection module. The gas detection module is disposed in the main body and electrically connected to the host driving controller. The gas detection module detects temperature, humidity and air pollution in the air to generate detection data, the detection data is transmitted to a networked cloud computing service device through IoT communication, and the networked cloud computing service device collects, analyzes and monitors the detection data in real time and intelligently selects a control instruction for transmitting to the gas detection module to control the host driving controller to enable the air guiding fan and dynamically adjust operation frequency and output air volume of the air guiding fan, thereby achieving gas exchange and heat exchange between indoor field and outdoor field.

Systems are provided for a manifolded anesthesia ventilator system. The manifolded anesthesia ventilator system includes a core and a kernel. The core includes a common gas manifold and one or more module and the kernel encases the core and includes inputs and outputs fluidly coupled to the core and is further coupled to a shell.

The utility model belongs to the technical field of breathing tubes, and particularly relates to a telescopic water accumulation prevention breathing tube for a breathing machine. According to the technology, two corrugated breathing tubes and two connecting tubes are included, the two connecting tubes are located between the corrugated breathing tubes at the two ends, fixing tubes penetrating through the connecting tubes are arranged on the two corrugated breathing tubes and correspond to the two connecting tubes, the fixing tubes are rotationally connected with the connecting tubes, a guide tube of a Y-shaped structure is arranged between the two connecting tubes, and the guide tube is connected with the two connecting tubes. The two water inlet ends of the guide pipe are connected and communicated with the two connecting pipes, the water outlet end of the guide pipe is in threaded connection with a water accumulation bottle used for collecting water accumulated in the corrugated breathing pipe, and a sealing assembly used for dredging or blocking the water outlet end of the guide pipe is arranged at the water outlet end of the guide pipe. According to the corrugated breathing tube, accumulated water in the corrugated breathing tube can be well collected, meanwhile, the sealing performance of the corrugated breathing tube is ensured, and the oxygen supply effect of the corrugated breathing tube is ensured.

The utility model relates to the technical field of breathing machine fans, in particular to a fan volute structure for a breathing machine. The volute structure comprises an outer shell, a driving mechanism and a control part, the outer shell comprises an upper shell body and a lower shell body which are in butt joint, an air inlet is formed in the upper shell body, the upper shell body and the lower shell body are in butt joint, an air outlet is formed in one end of the outer shell body, an air cavity for communicating the air inlet and the air outlet is formed in the outer shell body, and the upper shell body is arranged in a concentric circle; the lower shell is not arranged in a concentric circle; the driving mechanism comprises a motor shell, a driving assembly, a fan blade piece and a first lower end cover, one end of the motor shell penetrates through the lower shell, the driving assembly is located in the motor shell, the rotating shaft is exposed out of the motor shell and connected with the fan blade piece, the fan blade piece is located in the air cavity, and the first lower end cover abuts against the motor shell and is connected with the lower shell; the control piece is contained in the first lower end cover, electrically connected with the driving assembly and externally connected with a power source. Efficient airflow conduction can be achieved, and the noise of the fan can be reduced.

The invention discloses a portable emergency breathing device, belongs to the technical field of emergency breathing, and aims to solve the problem that a corrugated pipe in the portable emergency breathing device is prone to being accidentally bent and extruded during use, and then the oxygen supply effect is affected. The portable emergency breathing device comprises a suitcase, a monitoring displayer is arranged in the suitcase, and a power source is arranged in the suitcase; an air supply assembly is arranged in the suitcase, a connecting pipe is arranged in the suitcase, a breathing machine is arranged in the suitcase, a telescopic assembly is arranged in the suitcase, an oxygen inhalation assembly is arranged in the suitcase, and a monitoring assembly is arranged in the suitcase. In case of failure, the bottom holding assembly automatically opens a standby passage, oxygen delivery interruption is avoided conveniently without manual intervention, the emergency reliability is improved through double guarantee, and the device adapts to pipeline accidents in emergency movement.

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.

Sedation device. The sedation device includes: a housing; the housing having a ventilator chamber and a juxtaposed vaporizer chamber; a filter installed between the ventilator chamber and the vaporizer chamber, forming a common breathable partition wall; the ventilator chamber having an inlet; the vaporizer chamber having an outlet for connection to a patient's breathing tube; and an vaporizer installed within the vaporizer chamber, wherein the inlet is positioned to guide air through the surface of the filter in the ventilator chamber and has an air guide ramp angled relative to the inlet and flared outward away from the inlet to guide incoming air inward from the inlet toward the filter and outward from the inlet through the surface of the filter; an elongated air distribution fin is installed on the outer wall of the ventilator chamber, aligned with the inlet at the inner end of the air guide ramp and extending away from the air guide ramp; the air distribution fin is perpendicular to the outer wall and located at the center of the outer wall, aligned with the inlet; the air distribution fin has a sharp leading edge facing the inlet.

This invention discloses an automatic oxygen concentration adjustment system for a ventilator, comprising an oxygen supply module, an air supply module, a gas mixing module, a gas output module, a detection module, and a control module. The gas mixing module includes an initial mixing unit and a secondary mixing unit. The initial mixing unit is equipped with a first concentration detection device, and the secondary mixing unit is equipped with a second concentration detection device. The initial mixing unit includes an outer shell and an inner shell. An oxygen inlet is provided at the upper part of the inner shell, and an air inlet is provided at the bottom of the outer shell. The inner shell includes an upper mixing section, a middle mixing section, and a lower mixing section that are connected to each other. An air inlet is provided on the upper mixing section, and the air inlets are distributed in a gradually denser manner from top to bottom. The diameter of the upper mixing section is larger than that of the middle mixing section, and the diameter of the lower mixing section is larger than that of the upper mixing section. A first fan is provided at the bottom of the air chamber. The lower mixing section is connected to the secondary mixing unit through a connecting pipe, and a second fan and a first concentration detection device are provided inside the connecting pipe.

The utility model discloses an anti-splashing breathing machine extension tube which comprises a sealing device. One end of the elastic element is connected with the sealing device; the sleeve is connected to the outer part of the elastic element in a sleeving manner; one end of the sleeve is connected with the sealing device; the air inlet assembly is communicated with the outer side of the sleeve; the ventilation pipeline is located in the sleeve, and the ventilation pipeline is connected with the other end of the elastic element; the one-way valve structure is arranged on the inner side wall of the end, close to the elastic element, of the ventilation pipeline and used for communicating the sealing device, the elastic element and the ventilation pipeline to form a first channel; the connector is of a cylinder structure with one end opened, a containing groove is formed in the cylinder structure, the connector is connected to the outer portion of the ventilation pipeline in a sleeving mode through the containing groove, and the end face of an opening of the connector is connected with the sleeve. By arranging the sealing device and the one-way valve structure, the situation that pollutants are splashed in the trachea intubation process can be avoided; in addition, through mutual cooperation of the air inlet assembly, the elastic element, the ventilation pipeline and the sleeve, functional adaptation and full-automatic switching in all modes can be achieved.

The invention relates to an airway protection system with synchronous cleaning and suction and axial oscillation, which belongs to the technical field of medical instruments and comprises a tracheal catheter module, a synchronous cleaning and suction execution module, an axial low-frequency oscillation module and a central control module. The tracheal catheter module is provided with a sealing structure and a double-cavity cleaning and sucking assembly, the synchronous cleaning and sucking execution module achieves cooperative operation of flushing and sucking, the axial low-frequency oscillation module can loosen secretions in the deep portion of an airway, and the central control module regulates and controls time sequence operation of all the modules. According to the system, through cooperative work of multiple modules, the problems that subglottic secretions are not thoroughly cleared away, gastric contents are in hidden reflux, and secretions in the deep part of an airway are low in clearance efficiency are solved, the occurrence rate of ventilator-related pneumonia can be reduced, the airway nursing safety is improved, and the workload of medical staff is relieved.