55 results about "Medical ventilator" patented technology

The invention discloses a method and a system for predicting a machine withdrawal behavior of a medical respirator, and relates to the technical field of artificial intelligence, the method for predicting the machine withdrawal behavior of the medical respirator comprises the following steps: acquiring first respiration data generated in the process that a current patient uses the medical respirator in real time; inputting the first respiration data into a trained neural network model; based on the first breathing data, the neural network model generates second breathing data generated after the current patient uses the medical breathing machine in a first time period in the future; whether machine withdrawal can be carried out currently is predicted in real time based on the second respiration data and the neural network model, intelligent prediction is carried out through the neural network model, automatic machine withdrawal decision support is provided by the neural network model based on multiple key parameters such as the respiration frequency, the tidal volume, the oxygenation index and the lung compliance index, the burden of manual judgment is reduced, and the working efficiency is improved. The prediction accuracy and efficiency are improved, and the risk of machine withdrawal failure is reduced.

The invention relates to the technical field of medical breather pipes, in particular to an adjustable pharyngeal breather pipe which comprises a seaming opening, and a through hole is formed in the seaming opening. The gas conduit comprises a main exhaust passage and an oxygen supply interlayer, a sampling gas passage is arranged in the main exhaust passage, and oxygen flows out from an area between the oxygen supply interlayer and the main exhaust passage; the adjusting assembly comprises an impeller; the cleaning mechanism comprises a clamping plug and is used for automatically adjusting the distance between the sampling gas channel and the oxygen outlet according to the oxygen outlet flow, the larger the oxygen flow is, the larger the distance between the sampling gas channel and the oxygen outlet is, and it is avoided that too much oxygen is inhaled to affect the detection result; meanwhile, mucus and water vapor are unblocked through reciprocating movement of the clamping plug, the sampling air channel is guided through the rolling ring, meanwhile, the water vapor of exhaled air is adsorbed, and the mucus and the water vapor are prevented from blocking the air guide pipe.

A connection piece for a medical ventilator assembly which comprises a main body with a first inflow end and a second inflow end, and an outflow end. The first inflow end and the outflow end define a channel with a longitudinal axis. The second inflow end comprises a one-way valve adapted to allow gas flow toward the channel. The connection piece further comprises a leak valve arranged downstream of the one-way valve. The second inflow end is shaped and / or oriented with respect to the channel such that a gas flow from the second inflow end enters the channel, at an entry point, at an angle of less than 90° with respect to a direction of the longitudinal axis at said entry point from the first inflow end to the outflow end.

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.

The invention relates to the field of medical instrument testing, in particular to a testing device and method for respiratory anesthesia equipment, and the device and method are characterized in that sine (half) wave airflow conforming to a testing standard is introduced into equipment to be tested for detection. A programmable controller in the control unit is adopted to drive the gas generation unit, the problems of noise and vibration existing in tests of an existing medical breathing machine and other breathing anesthesia equipment are solved, the starting and stopping process is more stable, and meanwhile higher precision is obtained. The functions of the modules are relatively independent; and each module has replaceability, and a single module can be modified, replaced or upgraded under the condition that other modules are not influenced, so that the flexibility is high, and the implementation is easier. According to the invention, the test information is fed back and output by collecting the test gas in the test process to participate in subsequent observation and adjustment, so that subsequent observation and adjustment are facilitated, and the test precision and reliability are improved.

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.

Title of the Invention: Lightweight vane wheel for motorized blower for medical ventilator. The invention relates to a vane wheel (1) for a motorized blower (10) for a medical ventilator (20), comprising a wheel body (2) having a general disc shape with a circular peripheral rim (3) and a central passage (4) with a central opening (4.1) for receiving a drive shaft (11) of an electric motor (12). The wheel body (2) comprises an upper face (2.1) carrying vanes (7) and a lower face (2.2). The upper face (5) has a gradual curvature towards the central opening (4.1) of the central passage (4). The wheel body (2) is configured, on the side of the lower face (2.2), to have longitudinal reinforcing ribs (8) and a three-dimensional reticulated structure (9) located at the center of the lower face (2.2) and traversed by the central passage (4).Motorized blower (10) of a medical ventilator (20) comprising such a bladed wheel (1) and medical ventilator (20) equipped with such a blower (10). Figure in the abstract: Fig. 3.

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 invention discloses a gas heating and humidifying device for a clinical severe breathing machine, and relates to the technical field of medical breathing machines, a rack is arranged above a water bath pool, a heating mechanism is arranged on the rack, the heating mechanism is arranged in the water bath pool, and an adjusting mechanism is arranged on the rack; a gas and water mist mixing device is arranged, so that dry gas is humidified, then mixed oxygen is fed into a gas flow guide pipe, oxygen in the gas flow guide pipe is heated through water bath heating, and the temperature rise degree of the gas can be adjusted by adjusting the length of the gas flow guide pipe immersed in warm water.

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.

The invention provides air flow detection equipment for a medical breathing machine, and belongs to the technical field of medical equipment. Comprising an airflow detection mechanism, the airflow detection mechanism comprises a machine body and a machine head, the machine body is sleeved with a shell, and a connecting pipeline is connected between the shell and the machine head. The protection assembly is arranged, so that the pipeline can be doubly limited, the sealing effect of connection between the pipeline and the machine head can be improved, the pipeline is prevented from being automatically separated, leakage caused by the poor sealing effect is avoided, the machine head can be protected in an anti-falling mode, the pipeline in a machine head insertion hole can be limited, stress of a port of a three-way pipe can be reduced, and the machine head can be hung; meanwhile, water vapor and secretions can be blocked and collected, so that the influence of the water vapor and the secretions on the sensing and measurement of the sensor on airflow is avoided, the airflow flowing is further prevented from being blocked due to the fact that the secretions and the water vapor block holes of the sensor, and the situation that the flow value detected by the detection device is relatively low is avoided; the normal work of the breathing machine and the ventilation effect of the patient are further influenced.

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

The present invention relates to the technical field of ventilators, and in particular to a carbon fiber skeleton pipeline for a medical ventilator, comprising: a soft pipeline, a carbon fiber resin composite skeleton, a carbon fiber electric heating wire and a carbon fiber filter layer. The soft pipeline is a tubular structure with openings at both ends and a breathing passage. The carbon fiber resin composite skeleton and the carbon fiber electric heating wire are both buried in the pipe wall of the soft pipeline, and the carbon fiber resin composite skeleton and the carbon fiber electric heating wire are both spirally wound on the soft pipeline along the axial direction of the soft pipeline. The carbon fiber electric heating wire has an electrode, which is led out of the soft pipeline by the carbon fiber electric heating wire. The carbon fiber filter layer is filled in the breathing passage of the soft pipeline. The present invention ensures stability and non-deformation by arranging a rigid support in the soft pipeline, and at the same time arranging a carbon fiber electric heating wire in the pipeline to ensure the temperature of the gas in the pipeline, thereby improving the comfort of the pipeline during use while keeping the pipeline shape basically unchanged.

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