1693 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.

The present invention relates to a nasal spray device comprising: a container; the pump assembly comprises a liquid conveying piece; the nose bearing structure is provided with a nose bearing opening; an air flow channel is formed between an air blowing opening and the nose bell opening of the mouth bearing structure; the locking mechanism comprises a locking element; the locking mechanism comprises a locking element linked with the locking element; when liquid suction is triggered, the liquid conveying piece moves in the first direction so as to suck liquid from the container. When liquid suction is completed, the locking element directly or indirectly locks the infusion piece so as to prevent the infusion piece from moving in the second direction to trigger spraying; when the pressure of the air flow blown in from the air blowing port is larger than a preset value, the air flow pushes the locking element to move to the opening position so as to open the air flow channel, and the locking element can be triggered by movement of the locking element so that locking can be relieved. According to the nasal spray device, the atomization difference effect caused by individual pressing force difference is avoided, hand pressing operation is omitted, operation is more convenient, and conveying and deposition of small-particle-size fog drop particles in the nasal cavity are facilitated through assistance of airflow.

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.

A method for treating a nasal airway to ameliorate one or more symptoms of rhinitis in a patient may involve activating a radiofrequency console attached to a stylus, bending a shaft of the stylus in at least one location to a desired angle, advancing a distal tip of the radiofrequency stylus into a nostril of the patient, applying pressure against nasal mucosa lining the nasal airway with a treatment surface of the distal tip, and delivering radiofrequency energy from one set of bipolar electrodes on the treatment surface of the distal tip to a second set of bipolar electrodes on the treatment surface, to treat tissue underlying the nasal mucosa, including at least one nasal nerve. The method may also involve contacting the distal tip with an additional tissue at another location and delivering radiofrequency energy to the additional tissue.

The invention discloses a nasal gel for treating allergic rhinitis and a preparation method thereof, and relates to the technical field of medicines. The nasal gel for treating allergic rhinitis is prepared from double-sensitive double-network drug-loaded gel microspheres and a temperature-sensitive gel material, the double-sensitive double-network drug-loaded gel microspheres are prepared from sodium alginate, a temperature-sensitive polymer, lactoferrin, a traditional Chinese medicine extracting solution and calcium chloride, the temperature-sensitive gel material is prepared from silk fibroin, carboxymethyl chitosan, K-carrageenan and genipin; the double-sensitive double-network drug-loading gel microspheres are loaded in the temperature-sensitive gel material, and after the temperature-sensitive gel material enters the nasal cavity, the temperature-sensitive gel material is quickly converted into gel to be adhered to nasal cilia, so that the removal of the double-sensitive double-network drug-loading gel microspheres by the motion of the nasal cilia is reduced, and the gel microspheres can better release a double-layer drug-loading system; the acting time of the medicine in the nasal cavity is prolonged, the bioavailability of the medicine is improved, the allergic rhinitis is effectively treated, and uncomfortable symptoms are relieved.

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 nasal foreign body taking-out device which comprises two operating rods, a clamping part and a first rotary driving part, the two operating rods are hinged to each other, one end of each operating rod is an imbedding end, the other end of each operating rod is an operating end, and the imbedding ends can be imbedded into the nasal cavity of the human body; the imbedding ends of the two operating rods are hinged with the clamping parts extending along the imbedding ends through first hinges; the first hinge is close to the inner side; the first rotation driving piece is arranged at the hinged position of the operating rod and the clamping part and can drive the clamping part to rotate towards the inner side around the first hinge. According to the nasal cavity foreign body taking-out device, the clamping end can be conveniently placed in the deep position of the nasal cavity, and meanwhile circular foreign bodies can be conveniently taken out.

The utility model relates to an anti-falling oxygen inhalation tube which comprises a catheter, a base and nasal tubes, an air channel is arranged in the base, two groups of nasal tubes are arranged on the base, the nasal tubes are communicated with the air channel, the catheters communicated with the air channel are arranged on two sides of the base, the catheters continuously convey oxygen into the nasal cavity of a patient through the nasal tubes, and two groups of fixing wings are further arranged on the base. The two sets of fixing wings are arranged on the two sides of the nasal tube respectively, mucilage glue is arranged on the base and the fixing wings, when the catheter conveys oxygen to the nasal cavity of a patient through the nasal tube, the fixing wings are attached to the nasolabial sulcus portion and the face of the patient through the mucilage glue, and then the base is firmly fixed to the face of the patient. The base is prevented from falling off when a patient moves on a bed, such as dining, washing on the bed and sleeping soundly at night, oxygen uptake sustainability of the patient is guaranteed, and life danger caused by unnecessary oxygen uptake interruption is avoided.

The utility model discloses an adjustable nasal cavity distraction device for plastic surgery, which comprises a nasal cavity distraction mechanism, the nasal cavity distraction mechanism comprises a support rod, a distraction driving component and a distraction device, the distraction device comprises a plurality of distraction flaps, the distraction flaps are arranged on the support rod in a circumferential array mode, the distraction driving component is sleeved on the support rod, and the distraction driving component is arranged on the support rod. The distraction driving assembly drives the multiple distraction petals to move up and down in a forward and reverse rotation mode so as to expand outwards or contract inwards, the multiple distraction petals can be driven to move upwards or downwards at the same time by rotating the distraction driving assembly, and therefore the function that the distraction device expands outwards or contracts inwards is achieved. The nasal cavity distraction device is suitable for different patients and can be adjusted in real time according to the recovery conditions of the patients in the recovery period of the patients, nasal cavity distraction devices of various specifications and types do not need to be prepared, waste is avoided, and operation is reduced.

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.