1240 results about "Nasal passages" patented technology

The present invention discloses a multi-functional bionic nasal irrigator, comprising a base, wherein a water pump for pumping water is arranged in the base, a key panel is arranged on an outer surface of the base, and a water pump water outlet pipe orifice connected to the water pump is arranged at the top of the base. A water-mist spray nozzle device and a water-column spray nozzle device that can be flexibly switched and mounted are designed on the base, main motor power is automatically adjusted according to assembling of different spray nozzle devices, the base is connected to the water-mist spray nozzle device and the water-column spray nozzle device both by clamping, and a diameter of a mist point water outlet hole of an atomization sheet is reduced to 0.15-0.26 mm, so that water mist sprayed has a smaller particle size.

An external nasal dilator includes a flexible substrate having a top edge, bottom edge, a left edge, and a right edge that collectively define an outer perimeter of the external nasal dilator. A left recess is along the left edge and a right recess is along the right edge. The left recess and right recess divide the flexible substrate into two laterally opposed upper lobes and two laterally opposed lower lobes. An upper section including the two laterally opposed upper lobes carries an upper resilient member upper resilient member that applies a first dilating force to the internal nasal valves. A lower section including the two laterally opposed lower lobes carries a lower resilient member that is distinct from the upper resilient member and applies a second dilating force to the external nasal valves. An intermediate section longitudinally separates the upper resilient member and the lower resilient member.

The utility model discloses a nose hair trimmer tool bit and a nose hair trimmer adopting the same. Belongs to the technical field of vibrissa trimmers. According to the technical scheme, the tool apron comprises an inner tool apron body and an outer tool apron body which are connected in a sleeved mode, a plurality of inner tool bits are evenly distributed at the upper end of the inner tool apron body in the circumferential direction at intervals, a plurality of outer tool bits matched with the inner tool bits are evenly distributed at the upper end of the outer tool apron body in the circumferential direction at intervals, and the inner side faces of the free ends of the outer tool bits are first guide slopes; the utility model aims to provide a nose hair trimmer tool bit structure and a nose hair trimmer adopting a main scoring civilian head structure. The nose hair trimmer tool bit structure is ingenious in structure and can effectively shear nose hair which is attached to the inner wall of a nasal cavity or is close to the inner wall of the nasal cavity and grows in an abnormal state and nose hair located in a nasal vestibule. The device is used for trimming vibrissae.

A nasal irrigation device that includes a receptacle and a top that is selectively connectable to the receptacle, where the top includes a nozzle that is selectively rotatable to the receptacle, the nozzle including a finger placement area and a projection circumferentially located away from the finger placement area, the finger placement area and the projection being configured to facilitate rotation of the nozzle. Related processes of using and making such devices.

The invention relates to the technical field of medical instruments, and discloses a wearable obstructive sleep apnea early warning device which comprises a mask, an air pipe connector and two sets of fixing bandages, the air pipe connector communicates with the mask and is installed at the position, close to nostrils, of the mask, and the two sets of fixing bandages are installed on the two sides of the mask correspondingly; a nasal cavity rod is arranged at the position, close to the air pipe connector, in the mask. A rotating shaft is arranged on the outer side of the end, away from the airflow sensor, of the nasal cavity rod. Through the arrangement of a torsion assembly, a first limiting assembly, a nasal cavity rod and an airflow sensor, the airflow sensor is rapidly and accurately inserted into the nasal cavity, so that rapid and accurate wearing of the mask is achieved, the monitoring accuracy of the airflow sensor is improved, the data monitoring accuracy is improved, and by combining the design of a fixing bandage of the mask, the practicability is high. Meanwhile, the mask can be prevented from falling off due to turning of the patient in the sleeping process, and monitoring continuity and accuracy are improved.

The invention discloses a breath anomaly detection method and system based on gas monitoring, and relates to the technical field of breath anomaly detection.The breath anomaly detection method comprises the steps that mouth and nose gas signals in the breath process of a user are collected and preprocessed, and gas component separation is conducted through a microfluidic gas separation module; and performing differential analysis on separated gas components, calculating fluctuation of nasal cavity and oral cavity gas components, performing breathing mode recognition through 1D SNN, and establishing a personalized breathing mode library in combination with long-term health data of a user. Compared with the prior art, the method has the advantages that more accurate breathing mode recognition and anomaly detection are realized by combining differential analysis of multi-dimensional gas components and a deep learning model with a personalized breathing mode library, so that a more intelligent health management scheme is provided, and particularly, the method has remarkable advantages in coping with complex personalized differences and long-term health trends.

The visual Eustachian tube examination and treatment device with the suction function comprises an Eustachian tube endoscope, a sheath tube indexing and transposition locking assembly and a balloon assembly, wherein the balloon assembly is arranged between the sheath tube indexing and transposition locking assembly and the Eustachian tube endoscope. The sealing joint assembly of the balloon assembly is installed in the sheath tube indexing transposition locking assembly, the assembly is located outside the human body in the treatment process, the size of the sealing joint assembly can be properly enlarged according to the technological conditions, and the manufacturing difficulty of the balloon assembly is reduced; by changing the length of the sealing joint, the combination of the balloons with different lengths and the same endoscope is realized, and the endoscope is used for treating different patients; according to different relative positions of the treatment ear and the doctor caused by the lying position of the patient, the angle of the sheathing canal and the endoscope is adjusted; the balloon hollow tube is located in the sheath tube and forms a suction channel with the sheath tube, the end of the sheath tube is a suction inlet, and a suction tube externally connected with a negative pressure suction device is arranged on a sealing connector assembly in the balloon assembly, so that the nasal cavity aspirator has the suction function of cleaning hydrops in the nasal cavity.

Methods and devices for treating nasal airways are provided. Such devices and methods may improve airflow through an internal and / or external nasal valve, and comprise the use of mechanical re-shaping, energy application and other treatments to modify the shape, structure, and / or air flow characteristics of an internal nasal valve, an external nasal valve or other nasal airways.

The invention discloses a system and a method for monitoring and analyzing a breathing mode of an individual. The system integrates a first sensing device for a nasal cavity and a second sensing device for an oral cavity through monitoring equipment worn on the head and the face. The core of the method is that synchronous quantitative calculation of mouth and nose breathing flow is achieved for the first time through the schemes of hardware decoupling (parallel ultrasonic measurement of oral geometry and flow velocity) and algorithm decoupling (calculation of nasal cavity flow and area from coupling signals in combination with user calibration). According to the invention, the core biomarker ONFR is obtained, and the problem of ambiguity of oral respiration and apnea in the prior art is solved. The invention further discloses a multi-level precision framework, artifact recognition based on double IMUs and a'digital phenotype 'risk early warning technology based on cloud AI. The invention has important application value in the fields of sleep health, sports physiology and the like.

The utility model relates to the technical field of personal care equipment, and discloses a nasal irrigation nozzle assembly and a nasal irrigator, the nasal irrigation nozzle assembly is applied to the nasal irrigator, the nasal irrigation nozzle assembly comprises a spray pipe, a nozzle, a liquid outlet channel and a backflow channel, the spray pipe is used for being communicated with a main machine of the nasal irrigator, the nozzle is arranged on the spray pipe, and the nozzle is used for abutting against a nasal cavity and sealing the nasal cavity. The liquid outlet channel is arranged on the spray pipe or the spray head and used for allowing liquid pumped into the spray pipe by the host to flow out into the nasal cavity, and the backflow channel is arranged on the spray head and used for allowing liquid in the nasal cavity to flow out. By means of the nose washing spray head and the nose washing device, flowing-out liquid cannot be accumulated at the liquid outlet channel, it is guaranteed that the liquid can flow out of the liquid outlet channel, and the washing effect is good.

A nasal liquid absorption device to be disposed at least partially within a nose of a user, the nasal liquid absorption device including an attachment body to removably connect to the nose of the user, such that the attachment body is at least partially deformable to conform to a shape of the nose of the user, a plurality of absorption pads to absorb a fluid discharge within the nose, the plurality of absorption pads including a first of the plurality of absorption pads disposed at a first end of the attachment body, and a second of the plurality of absorption disposed at a second end of the attachment body opposite with respect to the first end, and a nasal decongestant disposed on or within at least a portion of each of the plurality of absorption pads to may alleviate or prevent a fluid discharge within the nose.

The utility model discloses a nasal cavity indwelling stomach tube fixing device which comprises a first half cover and a second half cover, the first half cover and the second half cover are movably connected through a telescopic piece, ear hanging belts are arranged on the sides, away from the telescopic piece, of the first half cover and the second half cover, circular rings are connected to the first half cover and the second half cover, and adhesive belts are arranged in the circular rings. The nasogastric tube is fixed in the circular ring through the adhesive tape, the nose bridge of a patient is covered with the first half cover and the second half cover, the positions of the first half cover and the second half cover can be adjusted through the telescopic piece, the nasogastric tube is suitable for noses of different patients, the nasogastric tube is fixed in the circular ring through the adhesive tape, and the top of the nasogastric tube is adhered to the top of the circular ring through the middle tape. The nasal cavity indwelling stomach tube is hung on the ears of a patient through the two ear hanging belts, and the phenomenon that due to the fact that adhesive tape is pasted for a long time and not replaced in time, the viscidity of the adhesive tape is reduced, and the indwelling stomach tube falls off is avoided.

A patient interface for delivering breathable gas to a patient includes a nasal prong assembly including a pair of nasal prongs structured to sealingly communicate with nasal passages of a patient's nose in use and headgear to maintain the nasal prong assembly in a desired position on the patient's face. The headgear includes side straps and rigidizers provided to respective side straps. Each rigidizer includes a first end portion that provides a connector structured to engage a respective end of the nasal prong assembly and an inwardly curved protrusion in the form of a cheek support that curves inwardly of the connector. The cheek support is adapted to follow the contour of the patient's cheek and guide a respective end portion of the side strap into engagement with the patient's cheek to provide a stable cheek support.

Embodiments of this disclosure provide a device operation method and apparatus, and an electronic device. In the device operation method, after obtaining a vibration signal collected by a bone conduction microphone connected to the electronic device, the electronic device extracts a vibration signal feature of the vibration signal, and then compares the extracted vibration signal feature with a control feature stored in the electronic device. When a comparison result is that the extracted vibration signal feature matches the control feature, the electronic device performs an operation corresponding to the control feature. The vibration signal collected by the bone conduction microphone may be a bone conduction audio signal, and the bone conduction audio signal is skin vibration triggered when a nasal cavity and / or a throat of a user who uses the electronic device make / makes a specific sound.

The invention belongs to the technical field of medical instruments. In order to solve the problems that an existing lung function detection device is low in detection result accuracy and cannot detect parameters such as the residual gas amount, the device for assisting in detecting the lung function of the chronic obstructive pulmonary disease patient is provided and comprises a detection device, a helium bottle, a sealing mask, a nose clip, an air suction pipe, an air outlet pipe, a sealing unit and a plugging switching mechanism; one end of the air suction pipe is connected with the helium tank, and the other end is connected with the plugging switching mechanism; one end of the air outlet pipe is connected with the detection device, and the other end is connected with the plugging switching mechanism; the nose clip is arranged at the upper end of the sealing mask. According to the embodiment of the invention, a subject cannot inhale external air and cannot exhale in-vivo air from the nasal cavity through the nasal clip, and the plugging switching mechanism can thoroughly open the pipe orifice of the air outlet pipe or the air inlet pipe, so that the subject can inhale or exhale easily, the detection accuracy is high, and the detection efficiency is high. And the method can be combined with a closed helium dilution method to obtain parameters such as residual gas amount.

A suction instrument includes a proximal end, a distal end configured to be positioned within or adjacent to an anatomical passageway of a patient, and a suction lumen extending between the proximal and distal ends. The suction lumen is configured to provide suction at the distal end. A navigation sensor is disposed along a portion of the suction lumen and is operable to generate an electrical signal corresponding to a location of the portion within the patient. A coupling feature is disposed at the proximal end and is configured to releasably couple the proximal end with a body.

Devices, systems, and methods for treating chronic rhinosinutisits (CRS) are described herein. The devices can have a guide member defining at least one lumen therethrough. A drug delivery component is advanced through the lumen to deliver a substance to the sino-nasal cavity of a patient. Once the drug delivery component is positioned at the desired area in the sino-nasal cavity, a user actuates the system to deliver the substance to the target area. Actuation of the system delivers the substance to the middle meatus, osteo-meatal complex, or other areas within the sino-nasal cavity of the patient.

The invention provides a device for collecting a nasal secretion sample. The device includes a sample collection member comprising a material for collecting a predetermined volume of a nasal secretion sample. The device further includes a handle and an elongated support member extending between the handle and the sample collection member and for supporting the sample collection member. The device is adapted for a user holding the handle to locate the sample collection member in contact with tissue at a target location inside the nasal cavity where the sample collection member collects a predetermined volume of a nasal secretion sample.

A nasal dilation system has at least two sets of nasal dilators. Each set includes one or more nasal inserts having a mesh wall comprised of interconnected struts and openings. The mesh wall forms a cannula. The inserts are designed to engage with the inner surface of nasal passages. The pattern of struts and openings of a first set differs from a second set, resulting in different impact patterns on the inner surface of nasal passages, reducing repeated impact of the same inner surface portion across multiple sets of nasal dilators.

The invention relates to the technical field of medical instruments, in particular to a nose wetting assembly and a nose mask provided with the nose wetting assembly.The nose wetting assembly comprises a fixing sleeve, a liquid absorption sponge is arranged at the end of the inner section of the fixing sleeve, a water bag is arranged on the outer section of the fixing sleeve and used for storing a wetting agent, and the liquid absorption sponge is arranged on the end of the inner section of the fixing sleeve. A liquid channel is further arranged on the portion, between the liquid absorption sponge and the water bag, of the fixing sleeve body. The water bag and the imbibition sponge are arranged on the two sides of the fixing sleeve respectively, in actual use, after the in-vivo section of the fixing sleeve is inserted into the nasal cavity of the human body, a wetting agent stored in the water bag can be continuously conveyed to the imbibition sponge through the flow guiding effect of the liquid channel, and therefore the wetting agent can be continuously wetted. In this way, the wetting agent absorbed in the liquid absorption sponge can be evaporated and released for a long time, the wettability of the nasal cavity of a nasal feeding tube patient is maintained, and compared with the mode that in the prior art, medical workers need to conduct nasal cavity wetting operation at intervals, the operation convenience is effectively improved, and the workload of the medical workers is relieved.

The invention discloses an electronic nose system for multi-component gas detection and an identification method thereof, and belongs to the technical field of gas sensing and mode identification. The system comprises a gas acquisition module, a multi-channel gas sensor array, a signal processing module, an operation core and a communication module, the gas collection module optimizes a gas flow path through a bionic nasal cavity structure design so as to improve the detection sensitivity; the multi-channel gas sensor array integrates a plurality of gas sensitive units and is used for synchronously detecting the concentrations of gases such as CO, VOCs, NO2 and H2S; the signal processing module is combined with an adaptive filtering algorithm and a wavelet denoising technology to eliminate cross interference; and the operation core performs dynamic classification on the multi-component gas characteristics through a neural network algorithm. According to the invention, the problems of cross sensitivity and low precision of a traditional electronic nose in multi-component detection are solved, and real-time monitoring and accurate identification of gas in a complex environment are realized.

The invention relates to a method for detecting ammonia exhaled by a nasal cavity, and belongs to the technical field of chemical analysis and detection. The method comprises the following specific steps: preparing standard gases of expiratory ammonia with different concentrations, sampling the standard gases into an ion mobility spectrometer, and sequentially detecting the standard gases to obtain quantitative standard curves with different concentrations; the method comprises the following steps: directly sampling exhaled air of the nasal cavity into an ion mobility spectrometry, obtaining an ion mobility spectrometry of a to-be-detected sample in real time, tracking a change curve of exhaled air ammonia signal intensity in real time, judging the ammonia of the nasal cavity at an exhaling end, obtaining a quantitative factor of the exhaled air ammonia of the nasal cavity, and calculating the ammonia concentration of the exhaled air ammonia of the nasal cavity according to a quantitative curve of the exhaled air ammonia of the nasal cavity. By adopting a direct photoionization single photon ion mobility spectrometry online detection technology, the method has very high sensitivity and specific signal response to low-concentration ppbv ammonia in human nasal exhaled gas, the concentration of ammonia in nasal exhaled gas can be monitored in real time, an effective detection method is provided for monitoring functions of organs such as liver and kidney, and the method is suitable for popularization and application. And life health is protected.

A dustproof nasal irrigator includes a nozzle assembly and a shielding cover. The nozzle assembly includes a nozzle seat, a raw liquid nozzle and a waste liquid nozzle, the raw liquid nozzle and the waste liquid nozzle are both connected to the nozzle seat, the shielding cover is detachably connected to the nozzle seat, a receiving cavity is provided in the shielding cover, and when the shielding cover is connected to the nozzle seat, the raw liquid nozzle and the waste liquid nozzle are both located in the receiving cavity.

The utility model belongs to the technical field of nasal dredging patches, and particularly discloses an external magnetic type nasal dredging patch which comprises a pair of attaching pieces and a pair of fixing pieces which are used for being attached to the two sides of the nose, the pair of fixing pieces are connected through a supporting piece to form a U shape, the pair of attaching pieces are located between the pair of fixing pieces, and the pair of fixing pieces are located between the pair of attaching pieces. The adsorption inner sides of the pair of fixing pieces are in one-to-one corresponding magnetic adsorption connection with the pair of attaching pieces through magnets. According to the external magnetic type nasal dredging paste, the supporting piece is connected with the pair of fixing pieces to form a U shape matched with the shape of the nose of the human body so as to provide enough and lasting lifting force, and meanwhile, the pair of fixing pieces are connected with the pair of attaching pieces attached to the two sides of the nose through the magnets in a magnetic attraction mode respectively. Outward lifting force is applied to the skin near the nose bridge for a long time, so that the whole upper part of the nasal cavity can expand outwards for a long time, a nasal cavity channel is enlarged, the ventilation capacity is improved, nasal obstruction is relieved, and long-time comfortable experience is provided for a user.

The present disclosure describes devices for intranasal drug delivery to targeted regions and sub-regions of a nasal cavity of a subject, including the turbinates. The devices may have a housing with a dispensing element, and a positioning or trigger element coupled to the housing that positions the dispensing element within the nasal channel and limits its depth of insertion. The dispensing element may comprise a side opening for dispensing a composition. Devices of the present disclosure may provide a convenient and effective way to deliver compositions intranasally to the targeted regions and subregions while limiting off-target delivery.

A nasal device includes a tip member having a first end and a second end, the second end of the tip member being oppositely disposed relative to the first end, the tip member including a first wall disposed at the first end thereof, the first wall defining a first aperture configured to be in fluid communication with a nostril of a person; a cover member disposed over a portion of the tip member, the cover member including a second wall overlapping at least a portion of the first wall of the tip member, the second wall defining a second aperture configured to be in fluid communication with the nostril of the person and the first aperture of the tip member, the cover member configured to provide a seal with the nostril of the person; and a vacuum source or a fluid container coupled to the tip member.

The embodiment of the invention provides a sound production device based on ultrasonic recognition, and the device comprises a transmitting type ultrasonic transducer which is used for transmitting an ultrasonic signal; the emission type ultrasonic transducer is installed in the oral cavity or the nasal cavity of a user or installed on the neck or the lower jaw of the user. The receiving type ultrasonic transducer is used for collecting ultrasonic signals; the analog-to-digital converter is used for converting the ultrasonic signal into a digital signal; the coding chip is used for coding the digital signal to obtain a coded signal; the processing module is used for performing voice recognition on the coded signal based on a voice recognition algorithm to obtain a synthesized voice signal; and the voice emitting module is used for driving a loudspeaker to emit a sound based on the synthesized voice signal. Therefore, the sound made by the user is more natural and rich in emotion, the communication efficiency of the user is improved, and the experience feeling of the user is improved.

The invention provides a mechanical arm trocar suitable for an auxiliary operation of a transnasal skull base surgical robot, and relates to the technical field of medical auxiliary instruments, the mechanical arm trocar comprises cylinder dividing pieces, an auxiliary mechanism is arranged between every two cylinder dividing pieces, and by arranging the auxiliary mechanisms, a worker can plug a cylindrical air bag into the inner side of the whole cylinder dividing piece, and the whole cylinder dividing piece is inserted into the cylindrical air bag; the cylindrical air bag is inflated through the inflation tube, so that the cylindrical air bag is gradually expanded, and further outward expansion force can be generated on the cylinder dividing piece; a first hinged hinge piece and a second hinged hinge piece which are connected with a first shaft sleeve and a second shaft sleeve on each hinge shaft slide in a second storage groove in the corresponding column dividing piece, and meanwhile, the first hinged hinge pieces and the second hinged hinge pieces can be stretched through extension springs connected with the first storage grooves; therefore, the inner wall of the nasal cavity of the patient can be gradually expanded, subsequent entering and exiting of a mechanical arm are facilitated, influence on an operation is avoided, and practicability is improved.

Disclosed are an irrigator component and a nasal irrigator. The irrigator component includes: a body, a water tank, a water tank, a first nozzle and a second nozzle. The body includes a first connection portion and a second connection portion; the water tank is configured to store cleaning liquid, and the water tank is connected to the first connection portion; the waste tank is configured to recycle the cleaning liquid, and the waste tank is connected to the second connection portion; and the first nozzle is communicated with the water tank and the second nozzle is communicated with the waste tank. The cleaning liquid is configured to enter user's nasal cavity through the first nozzle, and flow back to the waste tank from the second nozzle.

A method for diagnosing nasal cytology based on deep learning includes: reading in blocks a nasal cytology to be diagnosed in a sliding window; performing preprocessing on the window image and inputting the preprocessed window image into a trained cell detection model, a coordinate and a score of a bounding box of a detected target being obtained based on feature maps, and a bounding box set being obtained by filtering out bounding boxes with scores below a predetermined threshold; cropping an image from the window image based on coordinates of bounding boxes in the bounding box set, performing preprocessing on the image and inputting the preprocessed image into a trained cell classification model to output a cell category of the corresponding image, and performing post-processing to obtain a cell category of the nasal cytology to be diagnosed.