36 results about "Medical ventilator" patented technology

The invention discloses a constant-frequency positive-pressure superposition high-frequency oscillation supporting device and method applied to a breathing machine, and belongs to the technical field of medical breathing machines, and the constant-frequency positive-pressure superposition high-frequency oscillation supporting device comprises a monitoring module for monitoring physical state data of a patient; the evaluation module is used for evaluating whether auxiliary sputum excretion operation needs to be carried out or not according to the physical state data; the equipment control module is used for determining ventilation parameters of the ventilation equipment and foam driving parameters of the foam driving equipment according to the body state data; the ventilation equipment is used for providing ventilation airflow and ventilation pressure for the patient according to the ventilation parameters; the lung sputum monitoring module is used for monitoring the lung sputum discharge state of the patient and adjusting foam driving parameters according to the lung sputum discharge state. According to the breathing machine, the combination of ventilation and sputum excretion functions of the breathing machine is realized through a method of combining a foam-driven sputum excretion technology with a ventilation technology.

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.

1. The name of the design product: disposable heat and moisture exchange filter. 2. The use of the design product: for filtering air from the outlet end of a medical breathing machine. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Title “Medical Ventilator Adjustment Aid Device” The invention relates to a device (1) for adjusting a medical ventilator used to deliver breathing gas to a patient, comprising a main body (2) with two opposing surfaces (3, 4), a first series of slots (10) with locations (11) comprising an indication (12) relating to the patient's perception of the ventilation applied, and a second series of slots (20) with locations (21) comprising an indication for adjusting the ventilator (22). Indicator elements (13, 23) are movable relative to the slots (11) such that positioning the first indicator element (13) opposite one of the locations (11) of the first series of slots (10) simultaneously positions the second indicator element (23) opposite one of the locations (21) of the second series (20) of slots (20). Abstract figure: Figure 1

Title of the invention: Monitoring of a patient's intercostal muscle activity during assisted ventilation using a patch sensor. The invention relates to a monitoring system (1) for the respiratory muscle activity of a patient (P), in particular intercostal and / or diaphragmatic muscle activity, comprising a patch sensor (10) including mechanomyography measurement means (13) for performing successive measurements of the patient's muscle activity, and a medical ventilator (20) with control means (25) for processing the measurements performed by the mechanomyography measurement means (13). Display means (30) display an MMG curve (31) representing the patient's muscle activity, in particular intercostal and / or diaphragmatic muscle activity, over time (t) obtained from the processed measurements. Abstract figure: Figure 1

1. Name of the product of this design: medical ventilator. 2. Purpose of this design product: used as a medical ventilator to maintain or improve breathing, and used in the medical field. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. The bottom surface of this design product is difficult to see or cannot be seen during use, so the top view is omitted.

The invention relates to an installation (100) for supplying a gas mixture containing NO to a patient, comprising an NO delivery apparatus (1) and a medical ventilator (50), an NO injection device (24), a flow rate measurement device (25) and a gas sampling module (61). The medical ventilator (50) is an anaesthesia ventilator (150) comprising a gas outlet (151) to which the flow rate measurement device (25) is connected. The NO injection device (24) is arranged downstream of the flow rate measurement device (25), and the gas sampling module (61) is arranged downstream of the NO injection device (24), at a distance (D) of at least 30 cm.

1. The name of the design product: breathing mask. 2. The use of the design product: breathing mask for medical breathing machine. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: combination state figure 1.

This application provides a safety valve and a medical ventilator. The safety valve includes a valve body and an opening / closing assembly. The valve body includes a gas output channel with a gas inlet and a gas outlet, and an exhaust channel with an exhaust outlet. The gas inlet receives gas, which flows along the gas output channel and is delivered to the patient through the gas outlet. The exhaust channel is connected to the gas output channel via a connecting port. The opening / closing assembly includes a driving element and an opening / closing element. The driving element is disposed in the valve body and drives the opening / closing element to move, thereby connecting or disconnecting the exhaust channel between the exhaust outlet and the gas output channel. When the safety valve is in use and installed on the medical ventilator, the angle between the exhaust direction of the exhaust outlet and the direction of gravity is greater than 90 degrees. The safety valve of this application embodiment can effectively prevent condensate from flowing from the exhaust outlet to the outside of the safety valve.

Title of the invention Medical ventilator displaying the patient's airway opening pressure The invention relates to a medical ventilator (1) comprising gas supply means (2) for supplying respiratory gas to a patient circuit (3), pressure measuring means (4), flow rate determining means (5), data processing means (10) for processing the pressure and / or flow rate measurements, display means (11), and storage means (10.3) for storing a circuit compliance pressure / volume curve (C1) representing the compliance of the respiratory circuit. The data processing means (10) are configured to perform a determination of the AOP pressure and the display means (11) display the AOP pressure value (20). The AOP pressure is used to adjust a PEEP valve (13) arranged on the patient circuit (3). Abstract figure: Figure 1

Title of the invention Medical ventilator communicating with the electronic device of a pressurized gas container The invention relates to a ventilation assembly comprising a gas container (1), such as a pressurized oxygen cylinder, equipped with a gas distribution tap (2) and an electronic device (3) arranged on said gas distribution tap (2), and comprising data processing means (30), and a first communication system (32). A respiratory assistance device (4) is fluidically connected to the tap (2), and comprises a second communication system (40). The second communication system (40) is configured to transmit a use signal to the first communication system (32) in response to a start of gas distribution.The first communication system (32) receives said usage signal (S) and transmits it to the data processing means (30) in order to trigger a gas monitoring algorithm. Abstract figure: Fig. 1.

A system for ventilating a user includes a port for supplying a mixture of gases to the user for inspiration and for receiving a mixture of gases from the user after expiration a first tube having an inlet for receiving at least one gas to ventilate the user and an outlet in fluid communication with said port for supplying said at least one gas to the port for inspiration by the user, a second tube having a first end proximate to and in fluid communication with said port and a second end distal to said port, a venturi jet proximate to and in fluid communication with the second end of the second tube, wherein at least one gas can be supplied through said venturi jet to said port via the second tube, wherein the venturi jet includes a jet having an outlet and a venturi tube, the jet being in fluid communication with a venturi tube and the venturi tube being disposed between the jet and the second end of the second tube, whereby in use the user inspires said at least one gas to ventilate the user and gas expired by the user flows from the port through the second tube and the venturi tube to exit the system.

The disclosed technology relates to low-profile humidifiers for humidifying breathing gases from a medical ventilator. In an example, the low-profile humidifier includes a humidifier body that includes a liquid port; a pump in fluid communication with the liquid port; a valve in fluid communication with the pump; a nozzle in fluid communication with the valve; a controller that controls the valve and the pump. The low-profile humidifier also includes a removable flow channel that is removable from the humidifier body. The removable flow channel includes a gas inlet sized for connection to a conduit from a medical ventilator; a gas outlet; a conduit between the gas inlet and the gas outlet; a heated surface within the conduit to vaporize liquid droplets injected by the nozzle; and a through hole to receive the nozzle into the conduit.

The invention provides a medical breathing machine and a method and system for continuously measuring and calculating respiratory tract resistance and compliance of the medical breathing machine. The method comprises the steps that a pressure sensor obtains an airway opening pressure signal, and a flow sensor obtains a gas flow signal; the signal processing and calculating unit synchronously collects the two signals at a high sampling rate, and performs real-time integration on the flow signals to calculate the tidal volume; setting a sliding time window covering the current inspiration phase, and collecting data points containing pressure, flow and tidal volume values in the window; applying a least square method to perform linear regression fitting on data points, and solving respiratory tract resistance and respiratory system compliance based on a respiratory mechanics equation; recursively executing the steps of acquisition, calculation, window setting, data point collection and fitting; the man-machine interaction interface displays a calculation result trend chart, and an alarm is triggered when a numerical value exceeds a preset threshold value. According to the method, high-frequency synchronous sampling and recursive fitting of the sliding window and the least square method are adopted, continuous, real-time and high-precision measurement and calculation of successive respiration are achieved, and intermittency and hysteresis of a traditional method are overcome.

The utility model discloses a filtering device for a medical breathing machine, and particularly relates to the technical field of breathing machine filtering, the filtering device comprises a device shell, an air inlet filtering part is arranged on the inner side of the device shell, and an exhaust disinfection part is arranged behind the air inlet filtering part. The left ends and the right ends of the exhaust disinfection component and the air inlet filtering component extend to the outer side of the device shell, and the top end of the device shell can be opened and closed. According to the filtering device for the medical breathing machine, impurities on the filtering moving plate can be cleaned through a silica gel cleaning brush in the driving and collecting assembly, the driving and collecting assembly is taken out for cleaning, it is guaranteed that the filtering device is not blocked by dust in the subsequent filtering process, and therefore the continuous working performance of the filtering device is remarkably improved, and the service life of the filtering device is prolonged. In addition, exhaled air can be filtered and disinfected through cooperation of a cleaning filter element and a disinfection filter element contained in a collection and disinfection pipe in the exhaust and disinfection component, and pathogens and harmful substances in the exhaled air are effectively removed.

Title of the invention: Medical ventilator air path. The invention relates to a method for manufacturing a gas path, preferably air, for a medical ventilator, comprising an assembly of gas ducts or sections of gas ducts in fluidic communication with each other. At least a portion of the assembly of ducts or sections of gas ducts is produced using an additive manufacturing process. Abstract figure: Figure 1

A portable medical ventilator that uses pulsed flow from an oxygen concentrator to obtain higher oxygen concentrations, includes a positive pressure source to deliver pressurized air to a patient and a negative pressure source to trigger the oxygen concentrator. A patient circuit attached to a patient interface mask connects the ventilator to the patient. The ventilator includes a controller module configured to generate a signal to the negative pressure device to trigger the concentrator to initiate one or more pulses of oxygen from the oxygen concentrator. The pulses of oxygen are delivered directly to the patient interface through a multi-tube or multi-lumen patient circuit. The oxygen is not mixed with air in the ventilator or patient circuit and bypasses leaks in the patient circuit and / or patient interface.

Title of the Invention: Electrostatic Discharge Protected Medical Ventilator. The invention relates to a medical ventilator (1) comprising an internal metal frame (2) with a first electronic board (3) comprising first grounding means (3.1) electrically connected (30) to said frame (2); a support arm (10) fixed to the frame (2) and carrying a monitor (20) with a display screen (28) comprising a second electronic board (21) comprising second grounding means (21.1). The monitor (20) comprises an internal metal casing (22) electrically connected (32) to the second grounding means (21.1) of the second electronic board (21), and also to the first grounding means (3.1) of the first electronic board (3). Abstract Figure: Figure 2

To provide a facility for supplying a gas mixture containing NO to a patient.SOLUTION: The equipment comprises a NO delivery apparatus, a medical ventilator 50, a NO infusion device 24, a flow measurement device 25 and a gas sampling module 61. The medical ventilator 50 is an anesthesia ventilator 150 comprising a gas outlet 151 to which the flow measuring device 25 is connected. The NO injection device 24 is arranged downstream of the flow measuring device 25, and the gas sampling module 61 is arranged at least 30cm distance D downstream of the NO injection device 24.SELECTED DRAWING: Figure 2

Title of the Invention: Non-Invasive Ventilation Monitoring System. The invention relates to a monitoring system for a person receiving non-invasive artificial ventilation (NIV) using a medical ventilator supplying a breathing mask with a respiratory gas. The medical ventilator provides ventilation variables. A computer server receives and processes these ventilation variables to determine several statistical indicators for each variable and derive a ventilation quality score using a mathematical model that compares these statistical indicators with stored thresholds obtained through machine learning. Finally, at least one significant ventilation variable is identified among these variables, impacting the ventilation quality score more than the other ventilation variables. Abstract Figure: Figure 1

Title of the invention Non-invasive ventilation trend alert system The invention relates to a remote monitoring system (1, 10, 20) of one or more non-invasive ventilation (NIV) parameters of at least one patient under non-invasive ventilation (NIV) treated at home comprising computer data processing means (10) comprising data reception means configured to receive said at least one ventilation parameter originating from a medical ventilator (1) and transmitted by data transmission means (2, 3, 4) collecting said at least one ventilation parameter of said medical ventilator, and at least one processor implementing at least one algorithm to process said at least one ventilation parameter and obtain at least one processed value of said at least one ventilation parameter;comparing said at least one processed value with at least one stored threshold value, and triggering an alert when said at least one processed value exceeds said at least one stored threshold value; and alert means (20) configured to warn or inform a user (21) in response to an alert being triggered by said at least one processor of the data processing computer means (10). Preferably, it further comprises a medical ventilator (1) comprising parameter measuring means configured to measure at least one ventilatory parameter, in particular the respiratory rate or the duration of use. Abstract figure: Fig. 1;

A portable medical ventilator using pulse flow from an oxygen concentrator to gain higher oxygen concentration includes a positive pressure source to deliver pressurized air to the patient and a negative pressure source to trigger the oxygen concentrator. A patient circuit attached to a patient interface mask connects the ventilator to the patient. The ventilator includes a controller module that is configured to generate a signal to the negative pressure device to trigger the concentrator to initiate one or more pulses of oxygen from the oxygen concentrator. The oxygen pulses are delivered to the patient interface directly through multi-tube or a multi lumen patient circuit. The oxygen does not mix with air in the ventilator or in the patient circuit and bypasses the leaks in the patient circuit and / or patient interface.

A medical ventilator comprises a respiratory air connection for connecting a patient's respiratory apparatus, allowing the patient to be ventilated with breathable air. In addition, the ventilator comprises an actuator device for providing a respiratory air flow at the respiratory air connection. A control unit is configured to carry out a method as set forth in the claims when the respiratory apparatus is connected to the respiratory air connection.

The invention relates to the technical field of breathing machines, and discloses an efficient filtering and heat dissipation device of a medical breathing machine, the efficient filtering and heat dissipation device comprises a filtering frame, the top of the filtering frame is fixedly connected with the breathing machine, and a filtering part is arranged in the filtering frame; the filtering component comprises a triangular frame, the surface of the triangular frame is fixedly connected with the inner wall of the breathing machine, a mounting frame is fixedly connected to the bottom of the triangular frame, a clamping groove is formed in the inner wall of the mounting frame, and two side plates are arranged in the mounting frame. When oxygen flows in the filter frame, the sieve pore plate can treat the oxygen entering the filter frame, impurities such as cotton fibers in the oxygen are prevented from entering the filter frame, the filter plate can filter the oxygen again after the sieve pore plate filters the oxygen, and the situation that the quality of the oxygen is poor due to the fact that the oxygen contains the impurities is avoided; when the oxygen in the filter frame enters the breathing machine, the filter bag can filter small particles in the oxygen again.

Title of the Invention: Medical Ventilator with Improved Internal Frame. The invention relates to a medical ventilator comprising an internal frame (1) formed of a rigid three-dimensional structure (2) to which operating elements (8, 9, 10) of the ventilator are attached. The internal frame (1) includes openings (11) dimensioned to receive flexible fastening means (12), such as hose clamps, and the operating elements (8, 9, 10) of the ventilator are attached to the internal frame (1) using said flexible fastening means (12). Abstract Figure: Figure 3

The present invention provides a gas flow detection device for a medical ventilator, belonging to the technical field of medical equipment. It includes an air flow detection mechanism, and the air flow detection mechanism includes a body and a nose head. An outer shell is sleeved on the body, and a connecting pipeline is connected between the outer shell and the nose head. By setting a protection component, the present invention can double-limit the pipeline, improve the sealing effect of the connection between the pipeline and the nose head, prevent the pipeline from detaching by itself, avoid leakage due to poor sealing effect, protect the nose head from falling, limit the pipeline in the socket of the nose head, reduce the stress on the port of the tee pipe, and can also suspend the nose head. At the same time, it can block and collect water vapor and secretions, avoiding their influence on the sensor's perception and measurement of air flow, and further avoiding the blockage of the sensor pores by secretions and water vapor, resulting in the obstruction of air flow, thereby avoiding the low flow value detected by the detection device and further affecting the normal operation of the ventilator and the ventilation effect of the patient.

The invention discloses an automatic process control detection method and system for a medical breathing machine, and the method comprises the steps: synchronously collecting the operation parameters of the breathing machine through a multi-sensor network, and carrying out the time alignment and normalization preprocessing, and fusing the operation parameters into comprehensive state data; time sequence feature analysis is carried out based on an improved long-short-term memory network, capture of respiratory cycle features is enhanced by introducing a periodic gate and utilizing the respiratory cycle features, and risk feature vectors are generated by fusing static parameters of a patient; adopting a particle swarm optimization algorithm to dynamically adjust control parameters such as inspiration pressure, respiratory rate and oxygen concentration by taking risk minimization as a target; and a weighted fusion strategy is utilized to comprehensively calculate a time sequence risk, a control deviation and a real-time abnormal index, an adaptive control instruction is executed according to a risk level, and continuous optimization is realized through a closed-loop feedback mechanism. The corresponding system integrates a data acquisition module, a time sequence analysis module, a decision control module and a man-machine interaction module in an embedded platform, and supports real-time data processing.