39 results about "Nasal airflow" patented technology

The invention relates to the technical field of artificial intelligence, in particular to a breathing sleep state intelligent monitoring wireless integrated microsystem which comprises a breathing sleep state intelligent monitoring module, a central processing unit module and a monitoring terminal which are connected in sequence. Four physiological signals including chest and abdomen movement signals, blood oxygen data, mouth and nose airflow information and snore characteristics are collected through the intelligent breathing and sleep state monitoring module to replace traditional detection of more than 10 physiological signals, so that diagnosis of the sleep apnea-hypopnea syndrome is lighter; on the premise that PSG monitoring accuracy is guaranteed, lead setting is reduced, and portability is improved; the system is designed for adapting to non-professional personnel, and the operation process is simplified.

Improved personal protective equipment facial wear including, in one embodiment, an at least partly adhesive mask, and one or more adhesive eye shields. In one implementation, the mask avoids significant contact with the delicate periorbital skin of the wearer, yet provides a substantially airtight seal so as to preclude moisture vapor transfer and “fogging” of eyeware or instruments. In another implementation, adherence of the eye shield is at least partially overlapping with the mask and creates an at least partial seal around a perimeter of the eye shield. Further, an at least partial seal is formed around a perimeter of the mask. The mask and eye shield additionally prevent nasal air flow obstruction, and address the problem of skin irritation and attachment during normal facial expression and movement of the wearer.

An example computer system analyzes nasal airflow data to detect sleep disorders. The system can estimate the breathing cycle frequency on the pressure nasal airflow data. Based on this frequency, the system can calculate optimal smoothing window sizes. The system can perform a smoothing operation on the airflow data and auxiliary sensor data using these windows. Breathing cycles can be detected in the smoothed data streams. Cycles meeting artifact conditions but not sigh conditions can be removed as noise. Remaining clean cycles can be analyzed further. A transition segment between the peak of one cycle and trough of the next can be classified. Using this classification and the cleaned auxiliary data, the system can detect sleep disorder events.

The utility model belongs to the technical field of medical monitoring, and particularly relates to a pressure type nasal airflow snore sensor which comprises an outer shell and an airflow conduction connecting piece, a piezoelectric buzzer is arranged in the outer shell, a plurality of wires for transmitting signals are arranged on the piezoelectric buzzer, a sealing sleeve is sleeved outside the piezoelectric buzzer, a wire hole is formed in the sealing sleeve, and the airflow conduction connecting piece is connected with the sealing sleeve. A wire on the piezoelectric buzzer penetrates through the wire hole and the wire clamping groove to be connected with an external circuit board. The airflow conduction connecting piece comprises a nasal oxygen uptake hose connecting port and a sealing sleeve connecting air tap, the nasal oxygen uptake hose connecting port is communicated with the interior of the sealing sleeve connecting air tap, the nasal oxygen uptake hose connecting port is connected with a nasal oxygen uptake hose, and the sealing sleeve connecting air tap is used for guiding airflow in the nasal oxygen uptake hose into the surface of the piezoelectric buzzer. According to the sleep monitoring device, the comfort level of a wearer in the sleep monitoring process can be improved, medical staff can maintain the sleep monitoring device conveniently, the service life of the sensor can be prolonged, and manufacturing and using cost is reduced.

The utility model discloses a sleep mouth and nose breathing monitoring device. Relates to the technical field of medical instruments, and comprises a fixing substrate, a mouth-nose airflow monitoring assembly used for monitoring mouth-nose respiration when a patient sleeps is mounted on the fixing substrate, and elastic bandages used for fixing through the head or neck of the patient are mounted at the two ends of the fixing substrate; a signal transmission interface used for being connected with external respiration monitoring equipment is formed in the bottom of the fixed base plate; the flexible sensor in the nasal cavity monitoring port or the oral cavity monitoring port is used for monitoring airflow generated during breathing of the nasal cavity or the oral cavity of a patient, and breathing airflow data of the patient is transmitted to external breathing monitoring equipment for monitoring through the wire. The mouth-nose airflow monitoring assembly can be installed on the fixed substrate in a plug and jack matching connection mode. The utility model has the advantages of high monitoring sensitivity, high monitoring accuracy, good stability, good comfort and strong flexibility.

The application discloses a multimodal integrated severe respiratory support system based on nasal airflow and phrenic nerve combined stimulation, and relates to the technical field of respiratory support systems.The technical scheme is as follows: the system comprises a host device, a special composite nasal high-flow pipeline assembly and a special phrenic nerve electric stimulation electrode assembly.The special composite nasal high-flow pipeline assembly is connected with the host device through a multifunctional high-flow ventilation interface, and high-flow humidified oxygen therapy airflow is delivered to a ventilation object through a nasal plug catheter to implement nasal airflow stimulation; the special phrenic nerve electric stimulation electrode assembly is provided with a matching adapter connector matched with a non-standard foolproof electric stimulation output interface and a stimulation electrode attached to the target area of the neck or chest of the ventilation object to implement phrenic nerve electric stimulation.The system integrates a ventilator, phrenic nerve electric stimulation and nasal airflow stimulation, and implements continuous nasal airflow stimulation while realizing synchronization of phrenic nerve electric stimulation and the ventilator.

The invention provides a household nose and mouth breathing detection device which comprises a framework, sensors and a controller, the framework comprises a nose clip part, a connecting part and a ventilation part, and the sensors comprise a nose airflow sensor and a total airflow sensor. Wherein the nose clip part comprises a nose clip main body, and a first side wing and a second side wing which are respectively positioned on two sides of the nose clip main body, and the side wings are provided with nose airflow sensors; two ends of the connecting part are respectively connected to the nose clip part and the ventilation part; the ventilation part is provided with a total ventilation hole and a total airflow sensor, and the airflow of the mouth and the nose can pass through the total ventilation hole and can be detected by the total airflow sensor; and the controller is respectively connected with the nasal airflow sensor and the total airflow sensor. The device is small, exquisite and portable, operation of professionals is not needed, accurate nose and mouth breathing data can be obtained through simple operation of family users, and therefore whether the users breathe mouth or not can be conveniently and accurately judged.

The present invention relates to a method for detecting adult respiratory events based on time domain. The problem in the prior art that manual identification of respiratory events takes a long time, has inconsistent standards, and has low accuracy is solved. The method includes obtaining oral and nasal airflow signals, chest movement signals, and blood oxygen saturation signals; performing time domain division analysis on the oral and nasal airflow signals, obtaining signal amplitude data, and recording signal events; preliminarily classifying the oral and nasal airflow signal events according to the oral and nasal airflow signals and airflow snoring signals, and classifying them into temporary apnea events and temporary hypopnea events; combining temporary hypopnea events with blood oxygen saturation information to determine hypopnea events; comparing temporary apnea events with chest movement signal amplitude data to determine the type of apnea events. Compared with manual identification of respiratory time, the present invention has a shorter identification time, a unified identification standard, and a more accurate identification structure, so that a structure can be quickly and accurately automatically analyzed for reference by doctors.

Described herein is a nasal airflow disruption apparatus, and method of use, comprising an elongate strip of flexible material having a central area extending between two distal ends. The central area comprises a narrow portion being defined by an elongate recess. The apparatus is configured such that when the strip is positioned across the bottom of a nose and the distal ends are secured to either side of the nose, the central area partially covers the nostrils and creates first and second airflow zones in each nostril. The first airflow zone is distal to the tip of the nose, allows unencumbered airflow into an out of the nostril and is created by the elongate recess. The second airflow zone is proximal to the tip of the nose, disrupts airflow into and out of the nostril and is covered by the narrow portion.

The application discloses a nasal airflow simulation analysis method based on a labeled voxel calculation domain, an electronic device and a storage medium. The method comprises the following steps: acquiring a three-dimensional surface model of a nasal cavity, and constructing a voxel calculation grid based on a minimum containing box of the three-dimensional surface model and a preset voxel size; performing voxelization processing and label assignment on the voxel calculation grid to automatically construct an initial labeled voxel calculation domain; performing voxel domain processing and automatic marking of an opening boundary on the initial labeled voxel calculation domain to obtain a simulation labeled voxel calculation domain; automatically determining boundary conditions and numerical simulation parameters based on the simulation labeled voxel calculation domain and a preset breathing condition, establishing a numerical simulation model and iteratively solving the numerical simulation model to generate a nasal airflow simulation result. The application realizes full-process automation from a three-dimensional surface model to a airflow simulation result, significantly reduces manual grid division and boundary setting operations, and improves the efficiency and automation degree of nasal airflow simulation.

1. Name of the Design Product: Sleep Detector (BS10A). 2. Use of the Design Product: This product is applied to the monitoring and analysis of people's sleep events, and can conduct real-time monitoring and analysis on various sleep-related factors such as human nasal airflow, blood oxygen, heart rate, etc. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1.

A method of stimulating airways of a mammal may include cyclically occluding a nasal air stream at a frequency rate between 50 Hz to 650 Hz. An apparatus for stimulating airways of a mammal may include a fluid connection to each of a first and second naris of the mammal; and an occluding device configured to cyclically occlude a nasal air stream within each fluid connection at a frequency rate between 100 Hz to 650 Hz.

To provide an air flow controller in the nasal cavity which enables a subject to perceive an actual smell in the oral cavity during a meal through the posterior nasal cavity route.SOLUTION: The nasal cavity air flow control device 100 for making the subject perceive the odor includes a suction tube 1 inserted from the nostril H of the subject P, and a negative pressure suction means 2 for feeding the air containing the odor in the oral cavity into the nasal cavity N by sucking the inside of the nasal cavity N by negative pressure through the suction tube 1.SELECTED DRAWING: Figure 1

An information monitoring eye mask for measuring blood oxygen. The present invention discloses an information monitoring eye mask. The information monitoring eye mask comprises: an eye mask body, the eye mask body comprises a forehead portion; a headband, which is connected to the eye mask body; a signal processing and calculation module, which is arranged at the forehead portion of the eye mask body and arranged inside the eye mask body; a nasal airflow duct, which is connected to the signal processing and calculation module, the nasal airflow duct is at least partially arranged inside the eye mask body, the nasal airflow duct has a duct use end, and the duct use end is arranged outside the eye mask body; an ear measurement component, which is arranged on the headband, the ear measurement component is connected to the signal processing and calculation module, and the ear measurement component is used to be at least partially arranged on the human ear, and is used to measure blood oxygen and / or ear temperature. The information monitoring eye mask in the present invention fixes the nasal airflow duct in the eye mask body, the nasal airflow duct will not extend to both sides of the face, and the head movement will not cause any impact. And the ear measurement component can measure blood oxygen and / or ear temperature at the same time.

The application relates to the technical field of medical informatics, and discloses a method for identifying respiratory rhythm disorder of a critical patient, which comprises the following steps: calculating a basic rest variance based on a chest impedance signal; calculating short-time energy of the chest impedance signal and nasal airflow signal respectively; performing differential calculation on the impedance short-time energy to obtain an envelope energy first derivative trend; obtaining an adaptive drive ratio by using the basic rest variance and the trend; fusing the impedance signal to the airflow signal according to the adaptive drive ratio and the two kinds of short-time energy to generate a nasal airflow signal after compensation mapping; calculating discrete analytic orthogonal components of the two kinds of signals respectively to extract instantaneous phases; calculating a cross-modal instantaneous phase difference and reconstructing a real respiratory drive signal through orthogonal centripetal projection; finally, calculating a rhythm disorder severity index, and generating a rhythm abnormality identification Boolean flag through comparison.

This disclosure relates to a cylinder (50) for an aerosol generating apparatus (1), the aerosol generating apparatus, a method for diverting airflow in the cylinder for the aerosol generating apparatus, and a method for manufacturing the cylinder. The cylinder includes a mouthpiece body (2) having an outer surface (51) and an internal air passage (52). The internal air passage includes an inner surface (53) of the air passage and a mouthpiece opening (54) at an end (55) of the internal air passage. The mouthpiece body includes a plurality of nasal airflow passages (31) extending from the inner surface of the air passage to the outer surface of the mouthpiece body.

The invention provides a neural network model training method, a mouth-nose airflow signal reconstruction method and equipment. The method is applied to radar signal processing. The method comprises the following steps: acquiring a plurality of thoracico-abdominal movement signals acquired by a millimeter wave radar for a target object; processing the plurality of thoracico-abdominal movement signals by using a neural network model to obtain a reconstructed mouth-nose airflow signal and an apnea prediction result; calculating a regression error according to the reconstructed mouth-nose airflow signal and the real mouth-nose airflow signal, and calculating an apnea prediction error according to an apnea prediction result and an apnea label; performing weighted calculation according to the regression error and the apnea prediction error to obtain integration loss; and performing back propagation and gradient updating on the neural network model according to the integration loss, and optimizing model parameters. The mouth-nose airflow signal reconstructed by the neural network model is finer, more comprehensive and more accurate.

1. The name of the product of this design: Nasal airflow detection host. 2. Purpose of the product with this appearance design: It is used to connect the nasal airflow tube and the sleep monitor to assist in the detection and analysis of the human body's sleep condition by detecting the human body's nasal airflow information. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. The product of this design is a slender object, and its length is omitted.

This invention discloses a non-invasive rapid detection and diagnosis system for upper airway function, belonging to the field of upper airway function detection and medical diagnostic technology. It is applicable to upper airway function assessment in patients with mandibular retrusion and non-invasive diagnosis of adenoid hypertrophy in children. The system consists of a three-tiered architecture comprising a multimodal oral-nasal co-measurement instrument, a data acquisition and transmission module, and an intelligent diagnostic module. It integrates multiple types of sensors to simultaneously collect multimodal signals such as oral and nasal airflow, lip status, and neck airway breath sounds. After standardized processing, it achieves accurate grading and diagnosis of upper airway function and adenoid hypertrophy through hierarchical logic including three-dimensional feature extraction, respiratory pattern discrimination, core + auxiliary indicator grading diagnosis, and machine learning model verification. It is also equipped with multiple supporting functional modules and features non-invasiveness, dynamic operation, portability, and high diagnostic accuracy, filling a gap in related technologies.

An external nasal dilation device for enhancing nasal airflow includes a pair of pads, each of which has adhesive positioned on its lower face. The adhesive is used to removably attach the pads to opposed sides of a nose of a user. Each flap of a pair of flaps is hingedly attached to an upper face of a respective pad so that the flap is hingable relative to the respective pad. A panel is attached to and extends between the flaps. The panel is resiliently flexible so that the panel extends arcuately over a bridge of the nose. The panel exerts opposing forces to nostrils of the user to expand the nostrils, thereby enhancing nasal airflow through the nostrils.

An external nasal dilation device for enhancing nasal airflow includes a pair of pads, each of which has adhesive positioned on its lower face. The adhesive is used to removably attach the pads to opposed sides of a nose of a user. Each flap of a pair of flaps is hingedly attached to an upper face of a respective pad so that the flap is hingable relative to the respective pad. A panel is attached to each panel by an adhesive such that the panel extends between the flaps. The panel is resiliently flexible so that the panel extends arcuately over a bridge of the nose. The panel exerts opposing forces to nostrils of the user to expand the nostrils.

A cartridge is provided for an aerosol-generating device, including a mouthpiece body with an outer surface and an inner air channel including an air channel inner surface and a mouthpiece opening at a mouth end of the channel and being an outlet for a first part of a flow of the aerosol accessible to a mouth of a user; a liquid reservoir; and an aerosol generator that is a heater to heat liquid from the reservoir to form an aerosol, the mouthpiece body including nasal airflow passages extending from the inner surface to the outer surface, at least one of the passages is an outlet for a second part of the flow of the aerosol accessible to the user as aroma, and the cartridge being configured to dispense the aroma through the passages driven by a puff of the user and corresponding to a frequency and intensity of the puff.

The utility model discloses a multi-parameter acquisition device for a sleep monitoring system, which comprises a mouth-nose airflow acquisition unit and a main patch unit, and the main patch unit and the mouth-nose airflow acquisition unit form a conveying loop through a first lead; the number of the acquisition units is nine, and the acquisition units are respectively a first electroencephalogram acquisition unit, a second electroencephalogram acquisition unit and a third electroencephalogram acquisition unit which are electrically connected with the main patch unit; the first electro-oculogram acquisition unit and the second electro-oculogram acquisition unit are electrically connected with the main patch unit; the first behind-the-ear acquisition unit and the second behind-the-ear acquisition unit are respectively communicated with the first lead through a forking piece; the first mandibular collection unit and the second mandibular collection unit are communicated with the first wire through a bifurcation piece. Oral-nasal airflow, electroencephalogram, myoelectricity and electro-oculogram are integrated into one collection source to replace existing dispersedly-installed collection conductors, the installation steps of the monitoring system in the use process can be effectively reduced, the use efficiency of the monitoring system is improved, meanwhile, the number of the integrated collection conductors is optimized, and the comfort of a subject in the use process can be improved.

The embodiment of the invention discloses a treatment monitoring method and device, electronic equipment and a storage medium, and the method comprises the steps that body state data and target event times in a preset sleep cycle are continuously obtained, and the body state data comprise mouth-nose airflow data, blood oxygen data and blood pressure data; the target event times comprise the effective oxygen reduction times and the effective breathing event times; according to the physical state data and the number of target events, event reaction time indexes and boosting indexes are determined, the event reaction time indexes comprise an event boosting reaction time index, an oxygen reduction and boosting reaction time index and a reoxygenation and pressure reduction reaction time index, and the boosting indexes comprise an oxygen reduction and boosting index and a boosting load index; according to the event response time index and the boost index, a target treatment monitoring result is obtained, and the target treatment monitoring result is used for indicating the physical state fluctuation condition of the user in the sleep period and the treatment effect on the user.

1. The name of the product of this design: Sleep monitor (WS20A PRO). 2. The purpose of this product design: to measure human blood oxygen saturation, heart rate, nasal airflow concentration, and detect human sleep quality. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The present invention discloses a method and device for sleep apnea event localization based on a multi-scale convolutional neural network. The nasal and oral airflow, thoracic pressure, and abdominal pressure signals in sleep monitoring data are selected as the data basis, and a sleep apnea event automatic localization network model integrating multi-modal data is designed. The model mainly includes the following four parts: extracting multi-modal features from preprocessed time series data based on a feature extraction module; generating a prediction feature layer with multi-scale in both network depth and network width based on a multi-scale prediction feature layer generation module; adaptively adjusting the size and position of a preset box designed according to the receptive field based on a region generation module; and classifying based on the scale consistency features generated by candidate segments. The model of the present invention adopts an end-to-end training mode and can simultaneously realize the classification and localization of sleep apnea events.

The invention discloses a miniaturized ear-wearing polysomnosis monitoring device which comprises at least one main body (2) suitable for being worn on the ear, the main body comprises a shell, and a control unit (3) used for collecting, storing and processing various physiological data, an audio sensor (5) used for collecting audio signals and a blood oxygen sensor (6) used for collecting blood oxygen signals are arranged in the shell. And the multi-axis acceleration sensor (8) is used for acquiring body position information. The sound pressure gain effect and the bone conduction characteristic of the outer ear are innovatively utilized to effectively improve the audio signal gain, the sensitivity and reliability of snore and airflow sound detection can be effectively improved, and hypopnea and apnea parameters are obtained; the blood oxygen sensor (6) is adopted to obtain parameters such as blood oxygen saturation and heart rate; and a multi-axis acceleration sensor (8) is adopted to acquire body position information. According to the invention, parameters such as snore, mouth-nose airflow, oxyhemoglobin saturation, heart rate, body position and the like can be simply, conveniently and effectively collected, and more OSAHS patients can enjoy convenient clinical diagnosis service.

The present invention relates to the technical field of medical devices, and specifically discloses a disposable oral and nasal airflow collection nasal oxygen tube, comprising a collection component and a fixing component, the collection component is located at the front side of the fixing component, a nasal tube cleaning component, a nasal suction cleaning component and an oral tube cleaning component are arranged on the fixing component, the nasal tube cleaning component is located on one side of the collection component, the oral tube cleaning component is located on the other side of the collection component, and the nasal suction cleaning component is located below the collection component; the collection component comprises a nasal oxygen tube, a wearing cover, a low pressure sensor and a communicating vessel, the wearing cover is fixedly connected to the front side of the nasal oxygen tube, an oral breathing channel is opened on the rear side of the nasal oxygen tube, two nasal suction tubes are fixedly arranged on one side of the nasal oxygen tube away from the oral breathing channel, and a nasal collection channel and an oral collection channel are arranged on the left and right sides of the nasal oxygen tube respectively. The present invention can collect oral and nasal airflow at the same time, sense the pressure change inside the trachea, automatically clean the nasal oxygen tube, and make the wearing of the nasal oxygen tube more comfortable.

The utility model discloses a pressure type nasal airflow snore sensor which comprises a shell, a sensor body, a connecting assembly and a nasal oxygen uptake hose, and the sensor body is arranged in the shell and used for detecting the breathing motion state and the snoring state; the connecting assembly is connected with the shell; one end of the nasal oxygen uptake hose is used for being connected with the nasal cavity of the human body, and the other end of the nasal oxygen uptake hose is hermetically connected with the connecting assembly and can guide nasal cavity gas to the detection surface of the sensor body; according to the device, nasal cavity gas is guided into the detection face of the sensor body through the nasal oxygen inhalation hose, the breathing movement waveform and the snore movement waveform are detected through the sensor body, the breathing movement waveform and the snore movement waveform can be detected at the same time, the comfort degree of a wearer in the sleep monitoring process is improved, and the sleep quality of the wearer is improved. And the contact between the sensor main body and wet mouth and nose airflow is reduced, so that the service life of the sensor can be prolonged, and the manufacturing and use costs are reduced.

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