Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

48 results about "Breathing nose" patented technology

Nasal device for improving nasal breathing

A method of manufacturing a device for facilitating or improving nasal breathing in a human user is disclosed. The method may begin with receiving a digital scan of an exterior of a nose of a human user. Based on the digital scan, a first virtual three-dimensional model of the exterior of the nose may be created. Once created, the first virtual three-dimensional model may be deformed to produce a second virtual three-dimensional model of the exterior of the nose. The deforming may include moving selected surfaces outward to simulate the flexible tissues on the sides of the nose being in an improved or optimum position for nasal breathing. Based on the second virtual three-dimensional model, a virtual three-dimensional model of a nasal dilation device may be created. An additive manufacturing process may be used to produce a tangible instance of the nasal dilation device, which may be delivered to the human user. When worn by the human user, the nasal dilation device may hold the flexible tissues on the sides of the user's nose in an improved or optimum position for nasal breathing.
Owner:MAGNESS R JOSEPH

Respiration monitoring system based on screen printing and manufacturing method thereof

The invention belongs to the technical field of respiration monitoring, provides a respiration monitoring system based on screen printing and a manufacturing method thereof, and aims to solve the problems of low integration level, complicated operation, high use cost and the like of existing respiration monitoring equipment. The device is composed of a flexible circuit board, a sensor and an electronic component. The sensor comprises a strain sensor and a temperature sensor, and the strain sensor and the temperature sensor are prepared on the surface of the flexible circuit board through a silk-screen printing technology; the electronic components are attached to the surface of the flexible circuit board, and the sensor and the electronic components are in conductive interconnection through the flexible circuit board. The respiration monitoring system is attached to the lower portion of a nostril and used for monitoring nasal respiration airflow. According to the manufacturing method based on the silk-screen printing technology, integration of the flexible circuit board and the sensor is achieved, the nose breathing airflow and temperature monitoring function is achieved, the airflow detection sensitivity of a monitoring system is improved, and the breathing monitoring accuracy and functionality are also improved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Multimodal respiratory system disease related data acquisition system and method

This invention discloses a multimodal respiratory disease-related data acquisition system and method. The data acquisition system includes a disposable oral-nasal breathing interface, an oral-nasal breath sound acquisition module, a bidirectional flow / differential pressure sensing module, a temperature and humidity auxiliary acquisition module, a chest and back multi-channel auscultation module, a channel auscultation front end, a trimodal respiratory data acquisition box, a mobile terminal annotation module, a clinical label association module, and a local storage module. The data acquisition method is as follows: Step 1, prepare the oral-nasal breathing interface and acoustic coupling patch; Step 2, start the trimodal respiratory data acquisition box; Step 3, the patient performs quiet breathing; Step 4, the patient performs a maximal inhalation followed by a forceful exhalation; Step 5, associate the clinical examination results with the acquired data; Step 6, output risk scores, abnormality prompts, or classification prompts. Beneficial effects: Reduces wind noise interference, allows acoustic signals and lung function data to be acquired at the same time reference, and reduces frictional noise and poor contact.
Owner:JILIN UNIVERSITY

Instrument for nasal respiration training and sleep aiding instrument

The invention relates to the technical field of rehabilitation auxiliary equipment, and discloses an instrument for nasal respiration training and a sleep aiding instrument.The instrument comprises a fixing belt, a training mechanism is mounted in the fixing belt, a fixing box is mounted on the right side of the front portion of the training mechanism, and mounting mechanisms are arranged on the upper side and the lower side in the fixing box correspondingly; an adjusting mechanism is installed on the right side of the interior of the fixing band, the training mechanism comprises two inflatable airbags, and the exteriors of the two inflatable airbags are fixedly connected to the rear side of the fixing band. Softer and fit clamping experience is provided through the inflatable air bag, complex alternate breathing instructions can be accurately executed through independent control of the electromagnetic valve, a closed-loop feedback system is formed by adding the pressure sensor, it is ensured that the clamping force is always kept within a safe and effective threshold value, discomfort caused by excessive compression is avoided, and the safety and reliability of the device are improved. And the scientificity and safety of training are greatly improved.
Owner:NINGXIA MEDICAL UNIVERSITY GENERAL HOSPITAL

Nasal breathing sensing device

A wearable device for being worn on a nose of a person comprises a main body 10 configured to be coupled to the septum of the nose. A first sensor housing 21, fixed to the main body, comprises a first sensor unit, which is configured to detect an airflow out of a first nostril, and detect airflow into the first nostril. The device may comprise a first sensor to measure airflow out of the first nostril and a second sensor to measure airflow into the first nostril. The first sensor housing may be configured to divert the flow path of air flowing out of the first nostril away from the second sensor, and may divert the air flowing into the first nostril away from the first sensor. The sensors may comprise temperature, humidity, heart rate and / or pressure sensors. A processor may calibrate the first sensor unit based on the nasal shape of the user, and may adjust the sampling rate of the first sensor unit based on the noise of the data obtained. Fig. 5
Owner:ALI MAHDAVI

Dual chamber patient interface with airflow regulation

ActiveUS12673176B2Nasal passageNasal passages
A patient interface may include a dual chamber cushion assembly having a nasal chamber and an oral chamber. The nasal chamber may be arranged to deliver pressurized breathable gas to a patient's nasal passages, and the oral chamber may be arranged to deliver pressurized breathable gas to the patient's oral passages. The nasal chamber may be pressurized to a different level than an oral chamber to promote nasal breathing. An air passage may fluidly connect the nasal chamber and the oral chamber so that pressurized breathable gas may flow from the nasal chamber to the oral chamber.
Owner:RESMED PTY LTD

Rotatable tracheostomy tube plug

The utility model discloses a rotatable tracheostomy tube plug, which belongs to the technical field of medical instruments and comprises a plastic tube, two fixed plug sheets are fixedly connected onto the plastic tube, the two fixed plug sheets are fixedly connected and distributed at an opening at the top end of the plastic tube diagonally, and two rotary plug sheets are connected into the plastic tube in a threaded manner. The two rotary blocking pieces are fixedly connected and distributed on the lower sides of the two fixed blocking pieces in a diagonal mode, the plastic pipe is fixedly connected with a latex oxygen supply pipe, and the outer surface of the plastic pipe is sleeved with a plurality of rubber strips. According to the utility model, the two fixed blocking pieces and the two rotary blocking pieces are matched, so that the opening at the top end of the plastic tube is gradually changed from being sealed by 1 / 2 to being sealed by 3 / 4, and finally, the complete sealing effect is achieved, the purpose of gradually blocking the tube is achieved, the ventilation volume is gradually blocked and controlled, and a patient gradually adapts to mouth and nose breathing; and the adverse reaction of a patient caused by sudden complete tube blockage is avoided.
Owner:THE FIRST AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY OF CHINESE PEOPLES LIBERATION ARMY

Combustion-based metabolite detection device and method

The application discloses a combustion mode-based metabolite testing device and method. The metabolite testing device comprises a combustion control module, a respiratory gas flow control module, an exhaled gas heating and humidifying control module, a respiratory gas separation module, a control unit and a computer. The combustion control module is used for simulating human exhaled gas; the respiratory gas flow control module is used for simulating human respiratory flow; the exhaled gas heating and humidifying control module is used for simulating the temperature and humidity state of human exhaled gas; and the respiratory gas separation module is used for simulating the human mouth and nose breathing process. The control unit is responsible for the control of motors and valves, and the computer is responsible for data acquisition, calculation analysis and result display. The testing method is to set human metabolic parameters, connect a human metabolic tester and test, and finally perform quality inspection analysis on the metabolic parameters of the human metabolic tester according to the test result. The application can be applied to the application scene of human metabolic tester accuracy evaluation, and realizes easy, economical and effective verification of the human metabolic tester.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Multi-layer antibacterial mask

The utility model relates to the technical field of mask structures, in particular to a multi-layer bacteriostatic mask which comprises a mask body and a sealing adjusting mechanism, the mask body comprises a veneering layer, a filtering layer, a first bacteriostatic layer, a second bacteriostatic layer and a third bacteriostatic layer, and the first bacteriostatic layer, the second bacteriostatic layer and the third bacteriostatic layer are all of a structure shaped like a Chinese character'hui '; the sealing adjusting mechanisms are symmetrically arranged on the two sides of the outer portion of the mask body, each sealing adjusting mechanism is provided with a hook-and-loop fastener and three bent grooves, and the hook-and-loop fasteners limit the edge space of the mask body after being bent; the five-layer screen cloth structure is adopted, microorganisms at the mouth and nose breathing position can be effectively blocked, filtered, inactivated and sterilized, the blocking and filtering effect of the mask on tiny dust and droplets is improved, the sterilization effect can be achieved, and the using effect of the mask is better; the gaps between the edges of the mask and the face are controlled by means of the bends on the two sides of the mask body and the pasting area of the hook-and-loop fasteners, so that the mask is better in sealing performance, better in using effect and wider in applicability.
Owner:SANYU GONGSHOU (JINAN) HEALTH TECHNOLOGY CO LTD

Nasal respiratory interface and adjustable headgear

A headgear, for use in combination with a breathing apparatus, has a plastic or elastomer core and a fabric or textile casing. The headgear, or portions thereof, may also include a length adjustment arrangement that permits adjustment of a length of a section of the headgear. The length adjustment arrangement can comprise overlapping strap portions of the headgear. In some configurations, the overlapping strap portions can be covered by a sleeve. The sleeve can be secured to the headgear by overmolded end caps. A nasal respiratory interface can include a frame having a front surface, a rear surface, and an aperture extending from the front surface to the rear surface. The frame can have an oval form with a truncated height portion. The interface can also include a seal for a nasal pillow. The seal can be attached to the frame.
Owner:FISHER & PAYKEL HEALTHCARE LTD

Devices and methods for encouraging nasal breathing

Devices and methods are provided for inhibiting mouth breathing and / or improving nasal breathing, e.g., for PAP users or users with other sleeping problems. In an exemplary embodiment, an adhesive device is provided that includes an elongate membrane comprising first and second ends and side edges extending between the first and second ends, a first surface comprising an adhesive layer. The adhesive layer may be a low tack adhesive that is adherent to skin, yet is also easily removable without leaving significant residue. Optionally, the device may include one or more valves to provide one-way flow across the membrane, one or more weakened regions in the membrane, and / or one or more tabs to facilitate removal of the membrane from over a user's mouth.
Owner:BLACK JED ERIC +2

A head-worn device capable of improving sleep quality

The utility model discloses a head wearing device capable of improving sleep quality, comprising: the lower jaw drag belt, the connecting place of lower jaw drag belt is provided with female and son pastes, female and son pastes are mutually adhered fixed between, both sides of lower jaw drag belt are provided with ear hole and are provided with ear cover at ear hole place, the outside of lower jaw drag belt is provided with velcro. The utility model discloses the connecting place of lower jaw drag belt is provided with female and son pastes, female and son pastes are mutually adhered fixed between, according to the length of lower jaw drag belt of patient need adjustment, to guarantee the comfort degree of patient use, support the lower jaw through the physical mode, make it keep slightly forward or closed state, promote the mouth nose breathing, reduce the risk of snore and airway collapse, both sides of lower jaw drag belt are provided with ear hole and are provided with ear cover at ear hole place, and the ear cover part reduces the outside environment noise, reduces the stimulation of patient's own snore to hearing simultaneously, so that the patient will not be frequently awakened because of own snore.
Owner:INNER MONGOLIA AUTONOMOUS REGION MENTAL HEALTH CENT (INNER MONGOLIA AUTONOMOUS REGION THIRD HOSPITAL INNER MONGOLIA AUTONOMOUS REGION BRAIN HOSPITAL)

Preparation method of common-structure bimodal respiration sensor based on printing technology

The invention discloses a preparation method of a common-structure bimodal respiration sensor based on a printing process, and aims to solve the problem that an existing respiration sensor cannot monitor and recognize a mouth-nose respiration mode. According to the device, NaCl is loaded on leather fibers through ultrasonic soaking to form a humidity-sensitive layer. Then, a G / PEDOT: PSS positive electrode and a Zn negative electrode are sequentially subjected to silk-screen printing on the substrate, and after drying and curing, silver paste is smeared at end points to form a lead area; the sensor responds to temperature change through positive electrode resistance, and responds to humidity change through open-circuit voltage between the positive electrode and the negative electrode. Based on the difference between the breath temperatures of the mouth and the nose, various breathing modes can be stably recognized in real time, and accurate distinguishing between mouth breathing and nose breathing is achieved. The system has high customizability, the dual-mode common structure design of the system has important significance on the development of wearable and multi-mode sensors, and the system can be widely applied to the fields of sleep respiratory disease monitoring, respiratory rehabilitation management and the like.
Owner:NANJING TECH UNIV

Use of eddy currents in exhaled air for authentication

Device, including: - a processor; - a camera that the processor can access; and - a storage device that the processor can access and that contains instructions that can be executed by the processor to: - Receiving at least one image of eddy currents in exhaled air from the camera; - Comparing at least one image with at least one template; and - in response to the comparison, determining whether a user needs to be authenticated; - wherein the at least one template comprises at least one nasal breathing template representing nasal breathing and at least one mouth breathing template representing mouth breathing, wherein the comparison comprises comparing the at least one image with both the at least one nasal breathing template and the at least one mouth breathing template, and wherein the instructions are executable to authenticate the user in response to the fact that the at least one image matches one of the at least one nasal breathing template and the at least one mouth breathing template.
Owner:LENOVO (SINGAPORE) PTE LTD

Oral appliance for promotion of nasal breathing during sleep

A custom-fitted oral appliance designed without vents to restrict oral breathing is disclosed. When wearing the oral appliance, a wearer (or patient) is encouraged by the appliance to breathe through his / her nose when asleep. The custom-fitted oral appliance is uniquely designed to restrict oral breathing (of the wearer) when asleep, for promoting an optimal breathing routine whenever asleep, which is nasal breathing. The appliance is designed to place a wearer's lower jaw in a relaxed position, keeping it there when asleep.
Owner:OLIVER WILLIAM LAURENCE

Intelligent mouth-nose respiration monitoring device

The invention discloses an intelligent mouth-nose respiration monitoring device, and belongs to the technical field of medical equipment, the intelligent mouth-nose respiration monitoring device comprises moving plates, a connecting block, a linkage assembly, a mouth detection assembly, a transmission assembly, a belt, a mounting shell and a nose detection assembly, the connecting block is mounted on the inner surface of the mounting shell, and a plurality of moving plates are in transmission connection in the connecting block; the two ends of the transmission assembly sequentially penetrate through the connecting block and the mounting shell, one end of the nose detection assembly is in transmission connection with the transmission assembly, one part of the nose detection assembly is connected with the transmission assembly through a belt, one end of the mouth detection assembly is in transmission connection with the transmission assembly, and one part of the mouth detection assembly is connected with the transmission assembly through a belt. One end of the linkage assembly is installed in the installation shell, and the linkage assembly is connected with the transmission assembly in a meshed mode. The problem that in the prior art, due to the fact that breathing equipment cannot be adjusted according to the positions of the mouth and the nose of a patient, detection data are not accurate is solved. And the practicability and the universality of the device are improved.
Owner:AFFILIATED CHILDRENS HOSPITAL OF CAPITAL INST OF PEDIATRICS

Method and Apparatus for Monitoring Nasal Breathing

This disclosure is directed to a nasal breathing monitoring system with a sensor (e.g., an ultrasonic transducer or microphone) to be placed on or near the outside of the user's nose and record a signal corresponding to the user's nasal breathing. The recorded breathing signal may be digitized and analyzed, e.g., based on its spectral characteristics, in order to determine one or more breathing characteristics of the user's breathing. The system may then adjust some system parameter based on the determined one or more breathing characteristics, e.g., a signal gain, a filter, feedback to the user, etc. The system may also use the one or more breathing characteristics to: recognize a particular user's identity, present a breathing exercise to a user, tailor particular user feedback, or compare the user's breathing characteristics to historical breathing data for the user and / or historical breathing data from other users obtained via an anonymized database.
Owner:APPLE INC

Nasal respiratory assembly

A nasal respiratory assembly includes flexible tubing connected to a fluid source. The flexible tubing includes a pair of receptacles through which the fluid is dispensed, a pair of posts, and a connector with a central opening sized and shaped to cooperate with one of the receptacles. Each post includes a flange sized and shaped to fit over the nostril of a patient; a main body comprising a passageway configured therein.
Owner:SNAP CPAP LLC

Self-sanitizing respiratory assembly and methods of making and using the same

Nasal respiratory assembly includes flexible tubing connected to a fluid source. The flexible tubing includes a pair of receptacles through which the fluid is dispensed, a pair of posts, and a connector with a central opening sized and shaped to cooperate with one of the receptacles. Each post includes a flange sized and shaped to fit over the nostril of a patient; a main body comprising a passageway configured therein.
Owner:SNAP CPAP LLC

Wearable mouth-nose respiration monitor based on humidity principle

The utility model relates to the field of medical detection, in particular to a wearable mouth-nose respiration monitor based on the humidity principle, which comprises a main body shell, a closed cavity and an open cavity are arranged on the main body shell, a battery and a circuit board are arranged in the closed cavity, and the circuit board comprises a data processing module and a wireless communication module. The data processing module is connected with the nasal channel humidity sensor and the oral channel humidity sensor; the battery supplies power to the circuit board and the sensors; the upper half part of the open cavity is provided with a nasal channel humidity sensor, and the lower half part is provided with a mouth channel humidity sensor; a baffle is arranged between the mouth channel and the nose channel; a nose pad structure is arranged on the upper portion of the main body shell and connected with a flexible bandage, mouth breathing and nose breathing intensity of a user are detected according to the principle relation that the expired air volume of the human body is in direct proportion to the water molecule content, and meanwhile the frequency and duration breathing indexes of mouth breathing and nose breathing of the user can be monitored. And monitoring data can be transmitted to external equipment.
Owner:HOSPITAL OF STOMATOLOGY XIAN JIAOTONG UNIVERSITY

Apparatus and method for sealing the oral cavity to promote nasal breathing

An apparatus for sealing the oral cavity of a subject to promote nasal breathing, comprising a body having, a front surface, a rear surface, wherein the rear surface is positioned opposite the front surface, a perimeter, wherein the perimeter defines the boundary between the front surface and the rear surface, a first side, a second side, wherein the first side and the second side are located on opposite edges of the body, a lateral axis running from the first side to the second side, a first end, a second end, wherein the first end and the second end are located on opposite edges of the body, and a longitudinal axis running from the first end to the second end, wherein the body is configured to fit into a vestibular oral cavity of a subject, and a rim, wherein the rim is coupled to the perimeter of the body.
Owner:SOMNOSEAL

Artificial mouth and nose breathing training rehabilitation device

ActiveCN222341921Ugood treatment effectpromote recoveryGymnastic exercisingArtificial mouthNose breathing
The utility model relates to the technical field of breathing assisting devices, and discloses an artificial mouth and nose breathing training rehabilitation device which comprises a fixing pipe, an air inlet pipe is fixedly installed on the top of the fixing pipe, a pressure gauge is fixedly installed on the top of the portion, on one side of the air inlet pipe, of the fixing pipe, and a fixing ring is fixedly installed on the inner wall of the fixing pipe. A sliding plate for sealing and separating the inner cavity of the fixing pipe is lapped on the upper surface of the fixing ring. According to the artificial mouth and nose breathing training rehabilitation device, when the rehabilitation condition of a patient reaches a certain stage and larger resistance is needed for lung breathing exercise, air can be injected into a resistance cavity through an air inlet pipe through an external air inflation device according to index feedback of a pressure gauge, the pressure intensity of the resistance cavity is increased to the pressure intensity needed by the patient at the stage, and then the patient can do lung breathing exercise. Meanwhile, due to the fact that the air inlet pipe can be inflated and deflated, the adaptability of the device to patients in different stages is improved, and the device has better market generalization performance.
Owner:王志黉

Non-woven fabric mouth tape supporting nasal breathing with integrated silicone gel

A mouth tape for promoting nasal breathing during sleep comprises a non-woven fabric substrate with an adhesive surface for adhering to perioral skin, and an integrated silicone gel section with a gentle adhesive surface for contacting the lips. The silicone gel section is positioned within the non-woven fabric substrate, creating a configuration where sensitive lip tissue contacts only the gentle silicone gel while the stronger adhesive of the non-woven fabric provides secure attachment to less sensitive perioral skin. This design maintains mouth closure throughout sleep while allowing trauma-free removal upon waking. Included ventilation features enhance user comfort. The invention solves the long-standing problem of balancing secure adhesion with gentle removal in mouth tape applications.
Owner:MILLER GINA EVERETT

A breath luminescent mask and an interactive method and system based on the breath luminescent mask

The present application belongs to the technical field of sensor, and particularly relates to a breathing light-emitting mask, and an interactive method and system based on the breathing light-emitting mask. The breathing light-emitting mask comprises a mask body, a breathing light-emitting sheet and an alternating power supply. The breathing light-emitting sheet is used for emitting light with different intensities according to the mouth breathing or nose breathing action of a user. The breathing light-emitting sheet is a multi-layer structure, comprising a substrate layer, an electrode layer, a dielectric layer, a light-emitting layer and a sensing layer. The electrode layer is an interdigital electrode printed on the substrate layer; the light-emitting layer is prepared from alternating current electroluminescent powder and is located above the electrode layer; the sensing layer is prepared from a water-absorbing gel doped with a soluble ionic compound; and the sensing layer of the breathing light-emitting sheet faces inward. The interactive method encodes the light-emitting responses of the breathing light-emitting mask to nose breathing and mouth breathing as 0 and 1, and uses a multi-bit binary signal to realize information transmission. The present application solves the problem of the limitations of the existing interactive methods based on limb actions and voice.
Owner:BEIJING INST OF NANOENERGY & NANOSYST

A sleep monitor for monitoring breathing status

The present invention relates to a sleep monitor for monitoring respiratory status, comprising a monitor body and a finger-clip pulse monitoring component, an oral-nasal breathing monitoring component and a chest-abdomen belt connected to the monitor body through a wire, wherein the oral-nasal breathing monitoring component comprises a wearable piece attached to the philtrum surface, the bottom of the wearable piece is fixedly connected with a mouth breathing detection ring arranged above the lips, the top of the wearable piece is connected with an annular airbag ring through a connecting pipe, and the bottom of the annular airbag ring is fixedly connected with a nasal breathing detection ring, and the present invention relates to the technical field of sleep monitors. The sleep monitor for monitoring respiratory status is not easy to fall off through the arrangement of the finger-clip pulse monitoring component and the oral-nasal breathing monitoring component, and can accurately distinguish and effectively detect oral breathing and nasal breathing, and compensates for the interference of signals through the change of chest and abdomen resistance, and can effectively monitor the respiratory status in the sleeping state, with better use effect.
Owner:SHANGHAI BERRY ELECTRONICS TECH

Nasal breathing device

This invention discloses a nasal breathing device, comprising: a conduit component having an oxygen supply channel internally configured therein, the conduit component having two radially protruding air supply connectors, both of which are connected to the oxygen supply channel; oxygen hoses, the proximal ends of two oxygen hoses being connected to the two ends of the conduit component respectively, and the distal ends of the oxygen hoses being connected to an air source; nasal plugs, two nasal plugs being attached to the two air supply connectors respectively; the nasal plugs having sidewalls and bottom walls defining an air outlet and an air supply cavity, wherein after the nasal plugs are inserted into the nostrils, the air supply outlet faces the nostrils, the bottom wall faces away from the nostrils, and an attachment sleeve is configured on the bottom wall, the attachment sleeve being fitted onto the air supply connectors; an inhalation valve is configured at the junction area between the nasal plugs and the air supply connectors, the inhalation valve allowing gas in the oxygen supply channel to flow into the air cavity of the nasal plug while restricting gas in the air cavity from flowing back into the oxygen supply channel; an exhalation valve is configured on the bottom wall of the nasal plug, the exhalation valve allowing gas in the air cavity to flow to the outside while restricting outside gas from flowing into the air cavity.
Owner:EMERGENCY GENERAL HOSPITAL

Protective device for pesticide spraying

The utility model discloses a protection device for pesticide spraying, which belongs to the field of protection equipment, and comprises a head cover, a shoulder bandage, a mouth-nose respirator and a hose, a shoulder cape is nested at the bottom end of the head cover, the head cover and the shoulder cape are bonded and fixed through colloid, an air suction pipe is embedded at the top end of the head cover, an air inlet cover is mounted at one end of the air suction pipe, and an air outlet cover is mounted at the other end of the air suction pipe. A filter element is arranged in the air inlet cover, the mouth-nose respirator and the hose are both arranged in the head cover, one end of the hose is connected with the bottom end of the air suction pipe, the other end of the hose is connected with the mouth-nose respirator, and hook-and-loop fastener rough surfaces are sewn and fixed to the two sides of the shoulder cape. The shoulder cape protects the neck of the user, protection is more comprehensive, the mouth-nose respirator, the air suction pipe, the air inlet cover and the filter element are adopted in the breathing mode, air above the head of the user is sucked, the pesticide content is lower, and the user is safer after being filtered through the filter element.
Owner:SHENGJIE FAMILY FARM IN TAIHE COUNTY

Snoring prediction method based on pulse wave physiological indexes in a wake state

This invention discloses a method for predicting snoring during sleep based on physiological indicators of pulse waves in a waking state. By recording pulse wave data of different breathing behaviors while awake, physiological indicators are extracted to predict whether a subject snores at night, overcoming the current problem that snoring assessment requires a sleep state. The steps are as follows: recording pulse wave signals during natural breathing, mouth breathing, and nasal breathing while awake; denoising the signals and evaluating the validity of the cycle; extracting features based on the valid pulse wave cycle; using the subject's awake pulse wave features as input features, querying whether the subject snores during sleep as sample labels to construct a training set; training a classifier; and inputting test data of new users in a waking state into the trained classifier to predict whether they snore during sleep. This invention provides a predictive method for assessing snoring during sleep in a daytime waking state.
Owner:SOUTH CHINA UNIV OF TECH

Nasal breathing device

The invention discloses a nasal breathing device which comprises a catheter component, an oxygen supply channel is arranged in the catheter component, two air supply connectors protruding in the radial direction are arranged on the catheter component, and the air supply connectors are both communicated with the oxygen supply channel; the near ends of the two oxygen hoses are connected to the two ends of the catheter component respectively, and the far ends of the oxygen hoses are connected to an air source; the two nose plugs are attached to the two air supply connectors respectively; the nasal plug is provided with a side wall and a bottom wall which are used for limiting an air outlet cavity and an air supply outlet, after the nasal plug is inserted into the nostrils, the air supply outlet faces the nostrils, the bottom wall deviates from the nostrils, an attachment sleeve is arranged on the bottom wall, and the air supply connector is sleeved with the attachment sleeve; an inspiration valve is arranged in the connection area of the nose plug and the air supply connector, allows air in the oxygen supply channel to flow to an air cavity of the nose plug and limits the air in the air cavity to reversely flow to the oxygen supply channel; an exhalation valve is arranged on the bottom wall of the nose plug, allows air in the air cavity to flow to the outside and limits external air from flowing to the air cavity.
Owner:EMERGENCY GENERAL HOSPITAL

Sleep state snoring prediction method based on pulse wave physiological indexes in waking state

The invention discloses a sleep state snoring prediction method based on pulse wave physiological indexes in a waking state, which is used for predicting whether a subject snoring at night by recording pulse wave data of different breathing behaviors in the waking state and extracting the physiological indexes from the pulse wave data so as to solve the problem that current snoring evaluation needs to be performed in the sleep state. The method comprises the following steps: recording pulse wave signals during natural breathing, mouth breathing and single-nose breathing in a waking state; carrying out denoising and periodic validity evaluation on the signal; feature extraction is carried out based on the effective pulse wave period; the method comprises the following steps: by taking pulse wave characteristics of a sober subject as input characteristics, inquiring whether the subject snore or not during sleeping as a sample label, and constructing a training set; the classifier is trained; for the trained classifier, test data of a new user in a waking state are input, and whether the new user snore or not during sleeping can be predicted. According to the invention, a prediction method under a day waking state can be provided for evaluating whether snoring occurs during sleep or not.
Owner:SOUTH CHINA UNIV OF TECH