34 results about "Non-invasive ventilation" patented technology

The invention discloses invasive and noninvasive respiratory tract sepsis dual-purpose breathing equipment, and belongs to the technical field of medical instruments, the breathing equipment comprises a tracheostomy cannula and an air source assembly, the starting end of the tracheostomy cannula is used for being inserted into the trachea of a tracheostomy patient, the tail end of the tracheostomy cannula is located outside the neck of the patient, and the tail end of the tracheostomy cannula is provided with a speaking assembly; the tracheostomy device further comprises a tracheostomy mask which can cover the wound of the neck of the patient. The breathing equipment is provided with a first mode and a second mode; when the breathing equipment is in a first mode, the tracheostomy cannula is connected with the speaking assembly, and the tracheostomy mask is connected with the air source assembly; and when the breathing equipment is in the second mode, the tracheostomy tube is connected with the air source assembly. The first-mode invasive ventilation function and the second-mode non-invasive ventilation and sound production function are integrated into one set of equipment, so that multiple functions are integrated, medical staff do not need to prepare different equipment for different modes, and clinical management is simplified.

The invention provides a portable intelligent pressure adjusting device for a noninvasive ventilation mask for breathing nursing, and relates to the field of intelligent adjusting equipment. The portable non-invasive ventilation mask pressure intelligent adjusting device for breathing nursing comprises a mask, an adjusting module for adjusting the ventilation capacity is arranged at the front end of the mask and comprises an adjusting pipe, a connecting plate is fixedly connected to the side wall of the adjusting pipe, a rotating pipe is rotationally connected to the inner side wall of the adjusting pipe and close to the rear side, and the connecting plate is fixedly connected with the rotating pipe. A mounting pipe is rotationally connected to the rear side of the side wall of the rotating pipe, the rear end of the mounting pipe is fixedly connected with the front end of the mask, an air inlet pipe is fixedly connected to the front end of the adjusting pipe, and a monitoring device used for monitoring and adjusting the ventilation capacity is further arranged on the inner side wall of the adjusting module. By arranging the adjusting module, the ventilatory capacity and speed are effectively and rapidly adjusted, the treatment effect on a patient is improved, and the risk of the patient due to abnormal air pressure is reduced through real-time monitoring of the pressure sensor and the control unit.

The application discloses a new medical application of a noninvasive ventilator, in particular to a new application of the noninvasive ventilator for improving, relieving or treating human body gastroesophageal reflux related discomfort symptoms. The discomfort symptoms include but are not limited to stomach distension, abdominal distension, acid reflux, heartburn, retrosternal discomfort, night reflux, throat reflux discomfort and the like. The application firstly finds that the airway positive pressure generated by the conventional noninvasive ventilation can effectively improve the stomach distension and gastroesophageal reflux series symptoms which have long plagued the public through the physiological mechanisms of improving human body respiratory mechanics, adjusting the chest and abdominal pressure balance, reducing the diaphragm abnormal lifting and reducing the intragastric pressure. The application expands a new clinical application scene of the noninvasive ventilator, and the application is safe, noninvasive and long-term home use, the effect is stable, and has definite medical application value and popularization prospect.

The invention relates to the technical field of ventilation treatment devices, and discloses a device for providing ventilation treatment, which comprises a head-mounted assembly, a nose oxygen supply unit and a fixing unit, the head-mounted assembly comprises a hoop ring and a guide sheet attached to the outer arc surface of the hoop ring; the device effectively solves the problems of facial indentation, skin injury and claustrophobic fear caused by traditional head wearing, and remarkably improves the wearing comfort and long-term use willingness; the firm physiological structure of the teeth is used for anchoring, the problem that a traditional nasal oxygen cannula is prone to displacement and falling off is successfully solved, and the stability when the nasal oxygen cannula is worn is greatly improved; the fixing unit keeps the lip closing state in a physical mode, the air leakage condition of the mouth in noninvasive ventilation is avoided, the effectiveness of treatment is ensured, and the oral cavity is effectively prevented from being dry. According to the device, the modularized and quickly detachable design is adopted, a user is allowed to flexibly assemble the device according to requirements, convenience of daily use is considered, and the stability requirement in a specific scene is met.

1. Name of the Design Product: Bracket for Storage Rack of Respiratory Interface and Circuit. 2. Use of the Design Product: This partial design is used as a bracket for a storage rack of a respiratory interface and circuit, for placing or storing respiratory interfaces and respiratory circuits; the overall storage rack of the respiratory interface and circuit is used for respiratory therapy. Specifically, it is used to place or store different types of respiratory interfaces and respiratory circuits to facilitate the conversion between non-invasive ventilation therapy and nasal high-flow therapy. 3. Design Key Points of the Design Product: The key lies in the shape of the claimed part. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1. 5. Other Circumstances Requiring Explanation: Other Explanation: Solid lines are used to represent the claimed part, dashed lines are used to represent the parts not claimed, and dash-dotted lines are used to represent the boundary between the claimed part and the parts not claimed.

An embodiment provides a non-invasive ventilation patient interface. In one example, the patient interface includes a conduit having an entrainment opening and a nasal opening. The patient interface includes an orifice proximate to the entrainment opening and configured to expel a jet of gas and a surface having a first end and a second end, the first end being proximate to the orifice and extending substantially parallel to a flow direction of the jet of gas expelled from the orifice, the second end being closer to the nasal opening than the first end. In an operational state, the jet of gas adheres to the surface via Coanda effect, thereby entraining ambient air into the entrainment opening to deliver the jet of gas and the ambient air through the nasal opening of the conduit.

1. Name of the product in this design: Sleep Aspirin. 2. Purpose of this design: This design is intended for non-invasive ventilation treatment in professional medical institutions or at home for adult patients with sleep apnea, hypoventilation syndrome, or severe snoring. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The breathing device comprises a hollow head cover, an air bag is fixedly arranged at the lower end of the head cover in the circumferential direction, one side of the air bag is fixedly communicated with an inflation tube, two binding belts are hinged to the lower side of the front portion of the head cover, and two belt rings are fixedly connected to the lower side of the rear portion of the head cover. A locking component is fixedly connected to the binding belt, two or more hollow connectors are fixedly connected to the outer circumference of the front side of the head cover, quick-change components are inserted into the inner sides of the connectors, and external threads are formed in the front ends of the quick-change components. The utility model effectively solves the problems in the prior art that a gastroscope is inconvenient to enter and exit for a severe patient, the operation of a digestive endoscopy doctor is influenced when the patient is in a lateral position, and a breathing pipeline is inconvenient to quickly detach.

The invention discloses a non-invasive ventilation respirator with stable pressure, and belongs to the field of medical instruments. The breathing machine comprises a machine body, a breathing pipeline is arranged on the machine body, a mask is connected to the end of the breathing pipeline, an annular air bag is arranged on the edge of the mask, a detection box and an air injection box are connected to the outer wall of the breathing pipeline, the detection box is communicated with the breathing pipeline, an air injection pipe is communicated between the air injection box and the annular air bag, and the detection box is communicated with a limiting pipe. A piston plate is slidably connected into the limiting pipe, a rectangular rod is fixedly connected to the piston plate, a wedge block is connected to the rectangular rod, a valve is arranged on the air injection pipe, when the air pressure in the breathing pipeline is reduced, the length of the portion, sliding out of the limiting pipe, of the rectangular rod is reduced, and the high position of the wedge block can touch the valve so that the valve can be opened; the breathing machine can automatically detect whether the air pressure is low or not and timely improve the contact state of the mask and the face of a patient.

A bubble bilevel positive airway pressure (BiPAP) device includes a water reservoir; a motor; at least one pressure sensor for measuring pressure provided to the patient; and a controller configured to, based on set or adjustable inhalation and exhalation pressures for a patient, vary a depth of the water in the water reservoir.

An embodiment provides a system having a non-invasive ventilation patient interface. In one example, the system includes a headgear element and a non-invasive ventilation patient interface detachably coupled to the headgear element. The non-invasive ventilation patient interface includes a conduit having an entrainment opening and a nasal opening disposed along a conduit axis. A pressure sensing element is provided proximate to the nasal opening. One or more orifices proximate to the entrainment opening are configured to expel a jet of gas. One or more surfaces have a first end and a second end, with the first end being proximate to the one or more orifices and directing a flow of the jet of gas expelled from the one or more orifices, the second end being closer to the nasal opening than the first end. In an operational state, the jet of gas adheres to the one or more surfaces via the Coanda effect, thereby entraining ambient air into the entrainment opening to deliver the jet of gas and the ambient air through the nasal opening of the conduit.

The invention discloses an automatic telescopic child stomach tube device capable of preventing abdominal distension and regurgitation under noninvasive ventilation. The device is used for preventing abdominal distension of a child patient under noninvasive ventilation. A nasal gastrointestinal tube head, a controller, an automatic breathing machine airflow blocker, a stomach tube body and a supporting strip form a whole, the automatic breathing machine airflow blocker is fixed to the upper middle portion of the stomach tube, in the process of using the stomach tube, medical workers place the stomach tube with the automatic breathing machine airflow blocker into the stomach through the esophagus of a child patient, and the stomach tube with the automatic breathing machine airflow blocker is fixed to the upper middle portion of the stomach tube. After the controller is pressed down, the airflow blocker of the automatic breathing machine fills the gap between the stomach tube and the esophagus, the situation that airflow enters the stomach through the esophagus to cause abdominal distension of a child patient in the application process of the non-invasive breathing machine is avoided, meanwhile, the influence of gastric regurgitation on the child patient is prevented, and therefore the situation that feeding of the child patient is affected by non-invasive ventilation is prevented.

One embodiment provides a system having a non-invasive ventilation patient interface. In one example, the system includes a head-mounted element and a non-invasive ventilation patient interface removably coupled to the head-mounted element. A non-invasive ventilation patient interface includes a catheter having an entrainment opening and a nasal cavity opening disposed along a catheter axis. The pressure sensing element is disposed proximate the nasal cavity opening. One or more orifices proximate the entrainment opening are configured to discharge a gas jet. The one or more surfaces have a first end proximate the one or more orifices and directing a flow of a gas jet exiting the one or more orifices and a second end closer to the nasal opening than the first end. In the operational state, the gas jet adheres to the one or more surfaces via the Coanda effect to entrain ambient air into the entrainment opening to deliver the gas jet and ambient air through the nasal cavity opening of the catheter.

Systems and methods for non-invasive ventilation are provided. The systems may include a gas source that provides breathing gases to a patient through one or more of a primary flow path (PFP) and a flushing flow path (FFP). The system may include a control assembly configured to open and restrict gas flow through the PFP. When the PFP is open, a significant portion of the gas flows through the PFP while the remaining gas flows through the FFP. When the PFP is restricted, a significant portion of the gas flows through the FFP. Increased flow through the FFP may have a high velocity (especially relative to the flow through the PFP). Gas delivered through the FFP may be used to flush dead space. One or both flow paths may contribute to inspiratory positive airway pressure (IPAP), expiratory positive airway pressure (EPAP), and / or positive end expiratory pressure (PEEP).

A patient ventilation interface has a throat body defining a venturi throat open to ambient air, a nasal pillow disposed about the venturi throat to define a plenum chamber between the venturi throat and the nasal pillow, a nozzle arranged to output ventilation gas to the venturi throat, and a pressure sensing tube having a pressure sensing port positioned in fluid communication with the plenum chamber. The nasal pillow is an integral part of the throat body. An expected error in a sensed patient airway pressure P sense and a nozzle flow rate V' n of the nozzle can be corrected by applying a correction factor P delta indexed to the sensed patient airway pressure P sense . Delivery of ventilation gas output by the nozzle can be controlled in response to the corrected patient airway pressure.

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

The invention relates to a patient ventilation or breathing device and components therefore for use in all forms of respiratory apparatus ventilation systems including invasive and non-invasive ventilation, positive airway pressure therapy, Continuous Positive Airway Pressure (CPAP), and particularly Bi-Level therapy and treatment for sleep disordered breathing (SDB) conditions such as Obstructive Sleep Apnea (OSA), and for various other respiratory disorders and diseases. The invention particularly relates to a blower, to a blade, to a gasket, to a cable, to an impeller, to a gas inlet and inlet member, to an improved air path or fluid flow path and components thereof, and / or to a modular ventilation or breathing device as referred to above and particularly incorporating one or more of the other aspects of the invention.

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;

The present invention proposes a method and system for determining the triggering of spontaneous breathing in a neonatal non-invasive ventilation mode, the method comprising the following steps: 1) obtaining the expiratory pressure data Lastp of the subject at time t0; t0 ; 2) The airway pressure value monitored by the pressure sensor is low-pass filtered to obtain low-pass data FilterData t0 ; 3) According to the above two data, the predicted value of the expiratory pressure data at time t1 is obtained PLastp t1 ; 4) Repeat steps 1) to 3) until N expiratory pressure data and expiratory pressure data prediction values are obtained, and go to step 5); 5) Draw the actual expiratory pressure line Pn based on the expiratory pressure data; 6) Draw the expiratory pressure baseline line P based on the expiratory pressure data prediction value; 7) If the difference between the expiratory pressure baseline line and the actual expiratory pressure line is greater than the preset trigger value, it is determined that the person being tested has triggered spontaneous breathing.

One embodiment provides a non-invasive ventilation patient interface. In one example, the patient interface includes a catheter having an entrainment opening and a nasal cavity opening. The patient interface includes an orifice proximate the entrainment opening and configured to expel a gas jet and a surface having a first end proximate the orifice and extending substantially parallel to a flow direction of the gas jet expelled from the orifice and a second end closer to the nasal cavity opening than the first end. In the operational state, the gas jet adheres to the surface by the Coanda effect to entrain ambient air into the entrainment opening to deliver the gas jet and ambient air through the nasal cavity opening of the catheter.

1. Name of the Design Product: Bracket for Storage Rack of Respiratory Interface and Circuit. 2. Use of the Design Product: This partial design is used as a bracket for a storage rack of a respiratory interface and circuit, for placing or storing respiratory interfaces and respiratory circuits; the overall storage rack of the respiratory interface and circuit is used for respiratory therapy. Specifically, it is used to place or store different types of respiratory interfaces and respiratory circuits to facilitate the conversion between non-invasive ventilation therapy and nasal high-flow therapy. 3. Design Key Points of the Design Product: The shape of the claimed part. 4. Picture or Photograph Most Indicating the Design Key Points: Perspective View 1. 5. Other Situations Requiring Explanation: Other Explanation: Solid lines are used to represent the claimed part, dashed lines are used to represent the parts not claimed, and dotted lines are used to represent the boundary between the claimed part and the parts not claimed.

The utility model provides a fitting type adjustable neonatal noninvasive ventilation fixing device. The fitting type adjustable neonatal noninvasive ventilation fixing device comprises a cap bottom, a nose fixing band and a forehead fixing band. The cap bottom comprises a cap support and connecting bands arranged at the four corners of the cap support. The nose fixing band comprises a face passing band and two ear winding bands, the lower surface of the face passing band is detachably provided with artificial leather, the upper surface of the face passing band is provided with a first hook-and-loop fastener son surface and a first hook-and-loop fastener mother surface, the two ear winding bands are provided with hook-and-loop fasteners, and the two ear winding bands vertically bypass the ears of the child patient respectively and are detachably connected with the connecting band; the forehead fixing band comprises a first forehead fixing band and a second forehead fixing band, the two ends of the first forehead fixing band are detachably connected with the left connecting band and the right connecting band respectively, and the second forehead fixing band is detachably connected to the upper surface of the first forehead fixing band and used for fixing the trachea to the forehead of the child patient. According to the utility model, the split design is adopted, so that the oppression on the face of the newborn is reduced as much as possible while the head size of different newborns is adapted.

The utility model relates to the technical field of breathing masks, and discloses a noninvasive ventilation mask convenient for gastric tube indwelling patients to use, which comprises a mask main body, a wearing mask pad and a tube end interface, and an adaptive convex pad matched with an external trachea for matching is arranged at the right lower part of the surface of the wearing mask pad. An adaptive convex pad reserved for a trachea such as a nasogastric tube or a nasointestinal tube is arranged on the lower right portion of the surface of the wearing mask pad, a three-quarter circular cavity is formed in the adaptive convex pad, and when the trachea wearing mask pad is used by a patient with the nasogastric tube or the nasointestinal tube, the indwelling trachea can be clamped into the inner cavity of the adaptive convex pad to be attached to the wearing mask pad, so that the trachea wearing mask pad is convenient to wear. When the wearing mask pad is attached to the face of a patient in a wearing mode, the two sides of the cut-off position between the matched convex pad and the wearing mask pad can be gathered and closed through the inner side pressing pad, the sealing performance between an external trachea and an inner cavity of the matched convex pad is improved, air leakage in the mask body is prevented, and therefore noninvasive breathing ventilation can be conducted on the patient with the trachea indwelling.

The invention relates to a noninvasive ventilation and thermal stimulation coordinated time sequence scheduling and safety interlocking method, which comprises the following steps of: when a system is powered on or reset, closing thermal stimulation output, setting a prohibition mark and invalidating a control right token; and collecting and updating the ventilation state according to a preset period, wherein the state information at least comprises a stable sign and an alarm sign. The thermal stimulus output state may be altered only when the token is valid. And when the stable mark is true, the alarm mark is false and the prohibition mark is not set, executing token handover: initiating an application, receiving a grant and feeding back confirmation, and enabling the token to take effect after the confirmation is completed. And if the alarm sign is true or the stable sign is false, a prohibition sign is immediately set, so that the token is invalid and thermal stimulation output is closed. During the setting period of the forbidding mark, forbidding the change of the thermal stimulation output state; and after a preset condition that the stable sign is true and the alarm sign is false is satisfied, the prohibition sign is cleared, the token handover process is allowed to be executed again, and cooperative control and safety protection are realized.

The invention relates to the technical field of rat lung transplantation, and provides a rat intubation-free lung transplantation construction method, in an operation, a high-flow oxygen inhalation mask wrapping the mouth and the nose of a rat is used for conveying, heating and humidifying oxygen, effective oxygenation under autonomous respiration of the rat is maintained, tracheal intubation and mechanical ventilation support are not needed, and the operation is simple and convenient. The method specifically comprises the following steps: step 1, anesthesia and body position fixation; step 2, non-invasive ventilation support; step 3, performing surgical approach and exposure; step 4, fine dissociation of the pulmonary door structure; step 5, implanting a graft; and 6, closing the chest and resuscitating. Airway injury, postoperative infection and respirator-related lung injury caused by traditional tracheal intubation are thoroughly avoided, oxygen saturation in a rat operation is kept in a stable state through high-flow heating and humidifying oxygen inhalation and left-side clinostatism protection on the opposite lung, the death rate in the operation is greatly reduced, the pulmonary alveoli structure after lung transplantation is complete and free of inflammation infiltration, and the lung transplantation effect is good. The accuracy of research data is obviously improved, and the physiological status is better fit.

A system for reducing airway obstructions of a patient may include a ventilator, a control unit, a gas delivery circuit with a proximal end in fluid communication with the ventilator and a distal end in fluid communication with a nasal interface, and a nasal interface. The nasal interface may include at least one jet nozzle, and at least one spontaneous respiration sensor in communication with the control unit for detecting a respiration effort pattern and a need for supporting airway patency. The system may be open to ambient. The control unit may determine more than one gas output velocities. The more than one gas output velocities may be synchronized with different parts of a spontaneous breath effort cycle, and a gas output velocity may be determined by a need for supporting airway patency.

1. Name of the Design Product: Bracket for Storage Rack of Respiratory Interface and Circuit. 2. Use of the Design Product: This partial design is used as a bracket for a storage rack of a respiratory interface and a circuit, for placing or storing the respiratory interface and the respiratory circuit; the overall storage rack of the respiratory interface and the circuit is used for respiratory therapy. Specifically, it is used to place or store different types of respiratory interfaces and respiratory circuits to facilitate the mutual conversion between non-invasive ventilation therapy and nasal high-flow therapy. 3. Design Key Points of the Design Product: Lies in the shape of the claimed part. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1. 5. Other Circumstances Requiring Explanation: Other Explanation: Solid lines are used to represent the claimed part, dashed lines are used to represent the parts not claimed, and dotted lines are used to represent the boundary between the claimed part and the parts not claimed.