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20 results about "Ventilator circuit" patented technology

A breathing system or breathing circuit is a medical device used to deliver oxygen, remove carbon dioxide, and deliver inhalational anaesthetic agents to a patient. Originally developed for use in anaesthesiology, many variants of breathing system are in clinical use, but most comprise a source of fresh gas flow, a length of breathing tubing to direct the gas, an adjustable pressure limiting valve to control pressure within the system and direct waste away, and a reservoir bag to allow assisted ventilation.

Respiration intensive care method and system

The invention discloses a respiratory intensive care method and system, and the method comprises the steps: deploying an acoustic sensor on a respirator loop, and synchronously obtaining the ventilation parameters and optional temperature and humidity data of a respirator; preprocessing the acquired multi-modal data, and converting an acoustic signal into a time-frequency spectrogram; the preprocessed data are input into a multi-modal fusion fault recognition model, the model comprises a convolutional neural network branch used for extracting acoustic features and a recurrent neural network branch used for capturing time sequence dynamics, and the probability of a specific fault precursor is output by combining the features of all the branches through a fusion layer; and finally, performing early warning decision according to the probability. The invention also comprises a system for implementing the method. According to the invention, through deep fusion of acoustic, pneumatic and thermodynamic data, accurate prediction of fault precursor is realized, and an earlier time window is provided for clinical intervention, so that the monitoring safety is improved.
Owner:XINXIANG CENTER HOSPITAL

Ventilator circuit condensate collection device

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.
Owner:SHANDONG UNIV QILU HOSPITAL

A device for ventilator circuit trap condensate early warning

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.
Owner:HUNAN PROVINCIAL PEOPLES HOSPITAL

Condensate water collecting tank of breathing machine pipeline

The utility model belongs to the technical field of medical instruments, and relates to a condensate water collecting tank of a breathing machine pipeline, which comprises a supporting cylinder, a sticking sheet is fixedly arranged at the bottom of the supporting cylinder, a collecting cup is vertically and slidably arranged in the supporting cylinder, and a conducting pipe and an exhaust pipe are fixedly arranged at the top of the collecting cup. A positioning piece is rotatably arranged on the bottom surface in the supporting cylinder, a connecting piece is fixedly connected to the bottom surface of the collecting cup, the connecting piece is matched with the positioning piece in a clamping manner, a drainage hole is formed in the bottom surface of the collecting cup, and a drainage assembly is arranged at the bottom of the supporting cylinder and matched with the drainage hole. Compared with the prior art, the collecting cup has the advantages that the connecting block is fixed through the two clamping plates, the collecting cup is positioned in the supporting cylinder, the positioning structure of the collecting cup is located in the supporting cylinder, the collecting cup is installed in the downward moving process, operation is easy and convenient, the operation space is reduced, and a worker is not prone to colliding with the positioning structure in the moving process.
Owner:FIFTH AFFILIATED HOSPITAL OF ZHENGZHOU UNIV

Automatic discharging device for condensate water of breathing machine loop

The invention relates to the technical field of breathing machines, and discloses a breathing machine loop condensate water automatic discharging device which comprises a cup cover connected with a breathing machine loop pipeline and detachably installed at a top opening of a water collecting cup, and further comprises a water discharging pipe vertically installed at the bottom of the water collecting cup, one end of the water discharging pipe is located in the water collecting cup and serves as the inner end, and the other end of the water discharging pipe serves as the outer end. The other end is positioned outside the water collecting cup and is an outer end; the U-shaped channel is provided with a bending part and is arranged in the drainage pipe, one end of the U-shaped channel is open at the outer end of the drainage pipe, the other end of the U-shaped channel is open on the outer wall of the drainage pipe through a communication port, and the bending part of the U-shaped channel is located at the inner end of the drainage pipe. According to the automatic condensate water discharging device for the breathing machine loop, by arranging the U-shaped channel in the water discharging pipe and utilizing the siphon principle, when the liquid level in the water collecting cup rises to exceed the height of the bent part, water discharging can be automatically triggered, condensate water can be discharged in time without manual operation, and the workload of nursing staff is reduced.
Owner:XUZHOU CENT HOSPITAL

Breathing machine pipeline fixing device

The utility model discloses a breathing machine pipeline fixing device, which belongs to the technical field of breathing machines and comprises a mounting seat, two pipeline clamps are fixedly mounted at the top of the mounting seat, a universal ball is movably embedded in the bottom of the mounting seat, a connecting rod is fixedly mounted on the outer wall of the universal ball, a positioning component is fixedly mounted at the bottom of the connecting rod, and the positioning component comprises an arc-shaped plate. The arc-shaped plate is fixedly mounted at one end of the connecting rod, the two pipeline clamps on the mounting base can conveniently clamp and fix a breathing machine pipeline, the connecting rod is connected with the positioning assembly and the universal ball on the mounting base, then the mounting base and the two pipeline clamps on the top of the mounting base are conveniently mounted on the bed baffle through the arc-shaped plate, and positioning of the pipeline clamps is facilitated; the mounting shaft on the arc-shaped plate rotates to conveniently drive the clamping rod to swing, then the bed baffle is conveniently clamped, the positioning effect of the positioning assembly is improved, the mounting base rotates on the surface of the universal ball, the angle of the mounting base is conveniently adjusted, and then angle adjustment of the fixed pipeline is achieved.
Owner:伊书锋

Breathing machine loop joint pipe and breathing machine loop assembly

The utility model relates to the technical field of medical instruments, and discloses a breathing machine loop joint pipe and a breathing machine loop component, and the breathing machine loop joint pipe comprises a first connecting pipe, a second connecting pipe and a filtering part. One end of the first connecting pipe is suitable for being detachably connected with a trachea cannula, one end of the second connecting pipe is suitable for being detachably connected with a respirator loop, the filtering part is communicated with the other end of the first connecting pipe and the other end of the second connecting pipe, and a filtering material is arranged in the filtering part and is suitable for preventing sputum from the first connecting pipe from entering the second connecting pipe. Along with the work of the breathing machine, if a small amount of sputum of a patient enters the breathing machine loop joint pipe, the sputum can be blocked by the filter material and is prevented from entering the second connecting pipe and the breathing machine loop, medical staff only need to detach and replace the breathing machine loop joint pipe, the whole breathing machine loop does not need to be replaced, and therefore the labor amount of the medical staff is reduced, and the working efficiency is improved. And the structure is simple, the clinical cost is reduced, and the economic burden of a patient is relieved.
Owner:BEIJING ANZHEN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV

Breathing machine pipeline connector protective cover mold

The utility model relates to the technical field of respirator production, in particular to a respirator pipeline connector protective cover die which comprises a base, a first die holder arranged on the base, a second die holder arranged on the first die holder, a top plate arranged on the second die holder and a sliding forming mechanism. A first mold core is arranged on the first mold base, a second mold core is arranged at the bottom of the second mold base, the sliding forming mechanism comprises a movable base movably connected with the second mold base, an inclined pulling piece inserted into the movable base and a sliding forming piece movably connected with the movable base, and the sliding forming piece is inserted into the second mold core. And the sliding forming piece is movably connected with the second mold core. According to the utility model, the forming of the surface structure of the bent protective cover can be realized, and the sliding forming piece is driven by the moving seat to obliquely move and be separated from a product in the mold opening process after injection molding, so that the product can be conveniently and quickly demolded, the forming efficiency is high, and the batch production of the breathing machine pipeline interface protective cover is realized.
Owner:HUIZHOU XINRUIBAOYUAN MEDICAL TECH CO LTD

Mechanical ventilator with non-invasive option

A ventilator includes a bidirectional breath detection airline and a flow outlet airline. The flow outlet airline includes an airline outlet. The flow outlet airline is configured to be connected to an invasive ventilator circuit or a noninvasive ventilator circuit. The breath detection airline includes airline inlet. The airline inlet is separated from the airline outlet of the flow outlet airline. The ventilator further includes a pressure sensor in direct fluid communication with the breath detection airline. The pressure sensor is configured to measure breathing pressure from the user and generate sensor data indicative of breathing by the user. The ventilator further includes a controller in electronic communication with the pressure sensor. The controller is programmed to detect the breathing by the user based on the sensor data received from the pressure sensor.
Owner:GOLDMAN SEPHORIC LLC +1

Breathing machine pipeline auxiliary support

The utility model provides an auxiliary support for a breathing machine pipeline, which belongs to the technical field of medical instruments and comprises an installation disc, two front side hanging plates are arranged on the upper portion of the front end face of the installation disc and are arranged in a bilateral symmetry mode, and an adaptive groove used for being matched with the radian of the periphery of the pipeline is formed between the front side hanging plates and the installation disc. The front end face of the mounting disc is provided with two adaptive grooves, each adaptive groove is provided with an upward opening, the two adaptive grooves are used for hanging pipelines at the same time, the lower portion of the front end face of the mounting disc is provided with a front hook, a bearing groove is formed between the front hook and the mounting disc, the bearing groove is provided with an upward opening, and the bearing groove is used for hanging a breathing mask. According to the breathing machine pipeline auxiliary support, the probability that an object and a patient press the pipeline accidentally is reduced, the pipeline can be effectively opened, the situation that the included angle of the bent position is small cannot occur, and smoothness of the pipeline is guaranteed. The downward pulling force of the breathing mask on the pipeline can be reduced, and the problem that the included angle of the bent position of the pipeline is further reduced and the pipeline is damaged is avoided.
Owner:薛林峰

Test lung

PCT designated stageWO2025244028A1RespiratorsEducational modelsType ventilatorSurgery
[Problem] To provide a test lung which is resistant to mold and bacterial contamination to achieve a reduction in the risk of contamination and the burden of cleaning and which allows for visual confirmation of the appropriate time for replacement thereof to achieve a reduction in the burden of costs associated with the replacement. [Solution] This test lung comprises: a connector 8 detachably connected to a ventilator circuit 2; a shell 10 detachably connected to the connector 8 and provided with two flaps 12, the two flaps 12 being springy, detachable, and movable relative to each other; and a lung bag 11 detachably connected to the shell 10 and positioned between the two flaps 12. The connector 8 contains a filter compartment 9 having a hydrophobic vent filter 100, and further includes a confirmation hole 13 for confirming the state of the filter compartment 9.
Owner:DOI KAZUTO

Breathing machine pipeline fixing device

The utility model belongs to the technical field of breathing machine equipment, and particularly relates to a breathing machine pipeline fixing device which comprises a breathing machine pipe, the outer side of one end of the breathing machine pipe is sleeved with a transmission pipeline, and the outer sides of the breathing machine pipe and the transmission pipeline are sleeved with a fixing assembly. The fixing assembly comprises a fixing sleeve, a first extrusion ring, a second extrusion ring and a third extrusion ring, and the fixing sleeve is located on the outer side of the breathing machine pipe and the transmission pipeline. The fixing sleeve of the fixing assembly is connected to the outer side of the breathing machine pipe in a sleeved mode, the outer wall of the breathing machine pipe is squeezed through the first squeezing ring and the second squeezing ring, then one end of the conveying pipeline is connected to the outer side of the breathing machine pipe in a sleeved mode, and meanwhile the outer wall of the conveying pipeline is squeezed through the third squeezing ring on the inner wall of the fixing sleeve. And on the basis that the transmission pipeline is connected with the breathing machine pipe, the connecting stability of the breathing machine pipe and the transmission pipeline is further improved through extrusion limiting of the multiple extrusion rings.
Owner:刘璐

Breath actuated nebulizer for ventilator circuit

A ventilator circuit apparatus is disclosed for the administration of an aerosolized drug from a nebulizer through an endotracheal tube to a patient on a mechanical ventilator with humidification of the breathing gases. In an embodiment, the nebulizer can be disconnected without interrupting the airflow to the patient. In an embodiment, a T-fitting and three-way valve in the ventilator circuit permits the nebulizer to be bypassed by the airflow, allowing the nebulizer to be removed from the apparatus without interrupting the flow of breathing gases to the patient. In an embodiment, the nebulizer is breath-enhanced jet nebulizer. In an embodiment, the jet nebulizer is breath-actuated, by use of an air pressure sensor that toggles the flow of pressurized air to the nebulizer that drives the jet required for nebulization. A related method is also disclosed.
Owner:THE RES FOUNDATION FOR THE STATE UNIV OF NEW YORK

Condensate water collecting device for breathing machine pipeline

The invention discloses a breathing machine pipeline condensate water collecting device. The device comprises a water collecting cavity, wherein the water collecting cavity is provided with an air inlet, an air outlet and a bottom liquid outlet; the sensing module is embedded in the side wall or the bottom of the water collecting cavity, and the sensing module comprises a pH sensing unit, a conductivity sensing unit and a turbidity sensing unit; the signal processing unit is electrically connected with the pH sensing unit, the conductivity sensing unit and the turbidity sensing unit through flexible circuit boards; the wireless communication module is electrically connected with the signal processing unit; the power management module comprises a thin film lithium polymer battery and a thermoelectric power generation piece, the thermoelectric power generation piece is attached to the outer wall of the water collection cavity, and the output end of the thin film lithium polymer battery is electrically connected with the signal processing unit, the wireless communication module and the sensing module. The technical problems that in the prior art, a breathing machine pipeline condensate water collecting device is single in function and poor in infection early warning and system integration are solved.
Owner:SANYA HOSPITAL OF TRADITIONAL CHINESE MEDICINE

Tracheostomy cannula and breathing machine pipeline connecting device

The utility model provides a tracheostomy cannula and breathing machine pipeline connecting device, which belongs to the technical field of medical instruments and comprises a breathing machine extension tube, a tracheostomy cannula, a tracheostomy cannula, a tracheostomy cannula, a tracheostomy cannula, a tracheostomy cannula, a tracheostomy cannula, a tracheostomy cannula and a tracheostomy cannula. The tracheostomy tube sleeve comprises a second connector, the second connector is of a cylindrical structure, an unlocking groove is formed in the second connector in the axial direction of the second connector, a locking groove is formed in the second connector in the circumferential direction of the second connector, and the unlocking groove is communicated with the locking groove. The locking block can move in the axial direction of the second connector along the unlocking groove and can move in the circumferential direction of the second connector along the locking groove, and when the locking block is located in the locking groove, the locking groove limits the locking block to move in the axial direction of the second connector. The tracheostomy tube has the advantages that the breathing machine extension tube is inserted into the locking groove of the tracheostomy tube sleeve through the locking block of the first connector, so that the breathing machine extension tube is fixed to the tracheostomy tube sleeve, and the breathing machine extension tube is connected with the tracheostomy tube sleeve in the mode that insertion is conducted firstly and then rotation is conducted.
Owner:NINGBO FIRST HOSPITAL

Breath actuated nebulizer for ventilator circuit

A ventilator circuit apparatus is provided for the administration of an aerosolized drug from a nebulizer through an endotracheal tube to a patient on a mechanical ventilator with humidification of the breathing gases. Means to disconnect the nebulizer without interrupting the airflow to the patient is provided, with a T-fitting and three-way valve in the ventilator circuit that permits the nebulizer to be bypassed by the airflow, allowing the nebulizer to be removed from the apparatus without interrupting the flow of breathing gases to the patient. In embodiment, the nebulizer is breath-enhanced jet nebulizer. In an embodiment, the jet nebulizer is breath-actuated, by the use of an air pressure sensor that toggles the flow of pressurized air to the nebulizer that drives the jet required for nebulization.
Owner:THE RES FOUNDATION FOR THE STATE UNIV OF NEW YORK

Breathing machine, real-time leakage rate estimation method and system thereof and storage medium

PendingCN121565421ARespiratory masksMedical devicesAirway pressuresHigh-frequency ventilation
The invention discloses a breathing machine, a real-time leakage rate estimation method and system thereof and a storage medium, a breathing machine loop, a patient airway, a lung and leakage are modeled into a physical system, and a leakage coefficient can be estimated in real time at the same time by continuously monitoring equipment end flow and airway pressure and utilizing a parameter estimation algorithm. The problem that leakage compensation fails due to the fact that the zero flow point cannot be detected in the high-frequency ventilation mode is thoroughly solved, and the application range of the precise leakage compensation technology is expanded to all ventilation modes.
Owner:COFOE MEDICAL TECH CO LTD

Supraglottic airway device with a dynamic cuff with superior ventilating capability

ActiveUS12714814B2Autonomous breathingType ventilator
This invention is a device to be used with a system for supplying anaesthetic or respiratory gases into the airway of a human or an animal. This device is a supraglottic airway device, which includes a shaft with three tubes one for ventilation purpose and rest two for dynamic cuff inflation and other for suctioning purpose. The dynamic cuff is inflated by the gases supplied directly from the anaesthesia or ventilator circuit through a specialised adaptor via dynalumen. The “cuff inflation lumen” (“DynaLumen”) will also be having a locking mechanism to enable its use like a conventional LMA; i.e., the cuff can be left continuously inflated both during positive pressure ventilation as well as less during expiratory phase and during spontaneous respiration.
Owner:ANANTHANARAYANAN KALYANARAMAN +2

Fresh air ventilator circuit and fresh air ventilator self-adaptive adjusting method

The invention relates to the technical field of ventilation equipment control, and particularly discloses a fresh air ventilator circuit and a fresh air ventilator self-adaptive adjusting method.The multiple temperature detection modules, the multiple humidity detection modules and the multiple PM2.5 detection modules are electrically connected with the corresponding signal feedback input ends of an MCU respectively, and temperature sensors of the different temperature detection modules are arranged at different indoor position points; the humidity sensors of different humidity detection modules are arranged at different indoor positions, and the infrared scattering sensors of different PM2.5 detection modules are arranged at different indoor positions; and the air supply fan driving module, the air exhaust fan driving module and the stepping motor driving module are electrically connected with corresponding signal output ends of the MCU respectively. According to the fresh air ventilator circuit and the fresh air ventilator self-adaptive adjusting method, the problem that the current air exchange amount of a fresh air ventilator cannot be matched with the current overall indoor environment is solved.
Owner:GUANGDONG SHUNDE TUOHAO ELECTRONIC APPLIANCE CO LTD

Platform valve for breathing machine pipeline

The platform valve comprises a valve body, an upper cover and a breathing diaphragm, the valve body comprises a main body part and an exhaust part, an inner cavity is formed in the main body part, an exhaust hole communicated with the inner cavity is formed in the main body part, the exhaust part is arranged on the periphery of the exhaust part in a surrounding mode, and an exhaust channel is formed; the breathing diaphragm is installed at the upper end of the exhaust part, the upper cover covers the breathing diaphragm, a first through hole is formed in one end of the breathing diaphragm, a second through hole is formed in the end, away from the first through hole, of the upper cover, and a protruding structure is arranged on the peripheral side of the second through hole. The self-adaptive breathing apparatus has the advantages that self-adaptive adjustment can be achieved in the breathing process and the inspiration process, man-machine synchronism is improved, and use safety can be improved.
Owner:EXCELLENTCARE MEDICAL HUIZHOU