1282 results about "Nose" patented technology

The present disclosure pertains to head-mounted dual-sided photoplethysmography (PPG) systems and methods for blood flow measurement. In one embodiment, a system comprises a frame designed to be worn on a user's head, integrating a first PPG device positioned on the first side of the user's nose and a second PPG device on the opposite side. Each PPG device includes a light source and photodetector, enabling the capture of optical signals indicative of blood flow within the nasal tissue. A computer is operatively connected to both PPG devices, responsible for obtaining first and second signals from each side and processing these signals to calculate comprehensive measurements of the user's blood flow. This dual-sided configuration enhances measurement accuracy and reliability by mitigating motion artifacts and improving signal quality compared to traditional single-sided PPG systems.

The invention relates to a disease diagnosis and treatment method, system and device based on ear-nose-throat endoscope images and a medium, and the method comprises the steps: synchronously collecting dual-spectrum images through time sequence triggering, and solving the problem of shielding of an anatomical structure caused by mucus flow; a dynamic mucus displacement field is modeled through pixel gradient, and misjudgment of a traditional segmentation method on static lesions and dynamic secretions is eliminated; a deformable convolutional layer is adopted to correct the spatial offset of white light and a narrow-band image, and the mismatch of a multi-mode characteristic due to optical scattering is overcome; and finally, a real-time surgical navigation mark and a clinical treatment scheme are synchronously generated based on topological attributes of the focus probability graph, and a closed-loop link from image analysis to diagnosis and treatment decision is realized. According to the method, the functions of mucus interference suppression, cross-modal accurate registration and real-time diagnosis and treatment assistance are integrated in a breakthrough manner, and the focus recognition accuracy and clinical operation efficiency of the endoscope image are remarkably improved.

The invention relates to the field of intelligent medical treatment, in particular to an obstructive sleep apnea syndrome detection method and device based on multi-modal data and a program product. Comprising the following steps: S1, acquiring time sequence frame data of infrared thermal imaging of a tester in real time; s2, extracting chest and abdomen position data and air temperature data of a nose and mouth area based on the infrared thermal imaging time sequence frame data; s3, calculating to obtain breathing waveform data through thoracic and abdominal position data in the time sequence frame data; s4, air temperature change curve data are obtained through air temperature data calculation in the time sequence frame data; s5, performing phase correlation on the breathing waveform data and the airflow temperature change curve data to calculate a breathing ratio; comparing the respiration ratio with a preset threshold value, and judging that the obstructive sleep apnea syndrome occurs when the respiration ratio is greater than the preset threshold value. The method can effectively identify the obstructive sleep apnea syndrome, and has a good clinical value.

A soaking device and methods of using are used to cool and / or to heat a face of a person for a purpose of inducing a desired and / or intended outcome in that person. The cooling and / or the heating of the face may be sufficient to induce the desired and / or the intended outcome in that person. The desired and / or intended outcome may relate to: release of at least one type of neurotransmitter; trigeminal nerve stimulation; (indirect) vagus nerve stimulation; transdermal drug delivery; bypass of the blood-brain-barrier (BBB); aesthetic medicine; cardiovascular; dermatological; ears, nose, and throat (otolaryngological); ophthalmological; neurological; psychological; endocrinological; and / or rheumatological benefits to that person. At least one step of the method may include receiving at least some of the face within an immersion-liquid for at least a minimum amount of time while the immersion-liquid is within a temperature-range and while the immersion-liquid is within the soaking device.

To provide a beauty apparatus capable of correcting the nose by electrification.SOLUTION: A beauty apparatus 1 comprises a pair of bodies 2A and 2B and a connection part 3 for connecting the pair of bodies. The connection part 3 holds the bodies 2A and 2B so as to sandwich the nose by the bodies 2A and 2B. Electrodes are disposed on opposite surfaces of the bodies 2A and 2B, and electrically conductive antislip members 6A and 6B are disposed so as to cover the electrodes. The bodies 2A and 2B apply voltage to the electrodes.SELECTED DRAWING: Figure 1

The invention discloses a child mouth breathing monitoring method, device and equipment and a medium, and the method comprises the steps that a non-contact sensor group is used for synchronously collecting multi-mode physiological data of a target child in the sleep period, and the multi-mode physiological data at least comprises a face thermal imaging video stream, a thoracic and abdominal micro-motion signal and an environment audio signal; the multi-modal physiological data is processed, multi-modal features related to respiration are extracted respectively, and the multi-modal features comprise thermodynamic change features of mouth and nose areas extracted based on a face thermal imaging video stream, respiratory effort waveforms extracted based on thoracic and abdominal micro-motion signals, and the respiratory effort waveforms extracted based on the thoracic and abdominal micro-motion signals; extracting a sound source spatial position and a spectrum feature of breathing sound based on the environment audio signal; inputting the multi-modal features into a pre-trained mouth breathing recognition model, and outputting a judgment result of the functional mouth breathing event of the target child within a specific time period; and generating a mouth breathing monitoring report of the target child based on the judgment result.

The invention provides a multi-mode ear-nose-throat patient rehabilitation scheme optimization method and system, and the method comprises the steps: S1, obtaining the ear-nose-throat pathology data of a patient, carrying out the preprocessing operation of the ear-nose-throat pathology data, carrying out the fusion, generating a rehabilitation feature tensor, comprehensively integrating the physiological signals, image features and clinical text data of the patient, and carrying out the recognition of the rehabilitation feature tensor; the limitation of a single data type is broken through, iterative optimization is carried out through the rehabilitation prediction model constructed in the steps S2 and S3 in combination with an improved genetic algorithm, the rehabilitation effect is accurately predicted, training parameters are dynamically adjusted, the accuracy and effectiveness of rehabilitation treatment are improved, finally, quantitative evaluation indexes and evaluation are combined through the step S4, and the rehabilitation treatment accuracy and effectiveness are improved. And the scientificity of the scheme is judged according to a mean threshold value, so that the fitness, implementation safety and expected effect reasonability of the scheme are guaranteed, the treatment risk is reduced, and a safer and more efficient auxiliary rehabilitation scheme is provided for the patient.

An interface for positive pressure respiratory therapy includes a mask assembly having a mask seal and a mask shell. The mask assembly is positioned lower than and exposes a bridge of the user's nose. The mask seal includes first and second portions on respective first and second sides of a nasal region that contact opposing sides of the user's nose. The first and second portions each include supports that help maintain a shape of the mask seal. A pair of covers can be supported relative to the mask assembly and adjacent a respective one of the first and second portions of the mask seal. The covers limit expansion of the first and second portions of the mask seal in response to pressurized air within the mask seal. The supports of the first and second portions can transfer load from the mask seal to the covers.

The invention provides a respiratory function training device and method.The training device comprises an airway model, a respiratory port connected with one end of the airway model, a sensor unit arranged in the airway model and used for monitoring respiratory data, and a resistance adjusting module used for adjusting respiratory resistance; the breathing port is a mouth-nose mask or a mouth-holding mouth; the sensor unit is used for monitoring the airflow speed in the airway model, the pressure in the airway model and the temperature of breathing gas and transmitting the data to the controller, and the controller controls the resistance adjusting module to act according to breathing data so as to adjust the breathing resistance. The sensor unit is arranged in the airway model to collect the breathing data of the patient for monitoring in the training process, the controller controls the resistance adjusting module to act according to the breathing data, the breathing resistance can be automatically adjusted, the resistance adjusting module does not need to be manually adjusted, and more intelligence is achieved.

The invention discloses a device for assisting atomization treatment of children in the technical field of atomization treatment, which comprises an atomization cup, one side of the atomization cup is communicated with an adjustable atomization cover, the adjustable atomization cover comprises a mouth wrapping cover, the mouth wrapping cover is communicated with the atomization cup, and the edge of the mouth wrapping cover can be attached to the edge of the mouth of the children; the adjusting valve is arranged between the mouth wrapping cover and the atomizing cup, the adjusting valve can control the output quantity of the atomizing cup along with the change of the distance between the mouth wrapping cover and the atomizing cup, and the larger the distance between the mouth wrapping cover and the atomizing cup is, the smallest the output quantity of the atomizing cup is; the upper connecting cover is fixedly installed at the upper end of the mouth wrapping cover, and the upper connecting cover can wrap the lower portion of the nose of the child; according to the child breathing assisting device, a child patient can be assisted in breathing, and the output amount of atomized liquid medicine can be adjusted to be matched with the breathing frequency of a child.

The present disclosure describes methods of administering N-acetylcysteine (NAC) via intranasal nose-to-brain administration. The effect of intranasal NAC nose-to-brain administration can be monitored using an analytical technique, for example, magnetic resonance spectroscopy (MRS). In some embodiments, intranasal nose-to-brain NAC can be used to treat a condition, for example, a brain injury.

The invention relates to the technical field of medical instruments, and discloses an adjustable respiratory resistance type end-expiratory carbon dioxide monitoring nasal mask which comprises a nasal mask body, an end-expiratory carbon dioxide collecting tube, an oxygen conveying hose and a connector assembly arranged at one end of the nasal mask body and used for connecting the end-expiratory carbon dioxide collecting tube and the oxygen conveying hose. The connector assembly comprises a double-channel connector connected with the nasal mask body, a partition plate is fixedly connected to the inner wall of the double-channel connector, and when the inspiration resistance is adjusted through the arranged inspiration adjusting mechanism and expiration adjusting mechanism, the hand wheel assembly is manually operated to control the blocking film assembly, so that the caliber size of the oxygen delivery port is changed, and the oxygen delivery effect is improved. The larger the diameter of the oxygen delivery port is, the smaller the inspiration resistance is, when the expiration resistance is adjusted, the reel assembly is manually operated, so that the total gas displacement of the exhaust hole in the exhaust buckle is changed, the larger the total gas displacement of the exhaust hole is, the smaller the expiration resistance is, and therefore the effect of improving the treatment accuracy is achieved.

The invention discloses an underground breathing flow monitoring method and system based on adaptive filtering, and the method comprises the steps: collecting an airflow signal at the mouth and nose of a miner in real time through an MEMS hot film sensor, and synchronously collecting a body vibration signal through an acceleration sensor, and obtaining original breathing data containing dynamic interference and corresponding vibration data; the method comprises the following steps: preprocessing original breathing data containing dynamic interference and corresponding vibration data to obtain a digital breathing flow signal and a standardized reference vibration signal; jointly inputting the digital respiratory flow signal and the standardized reference vibration signal into a filtering processing model based on an LMS adaptive algorithm to obtain a target respiratory flow signal; performing data analysis on the target respiratory flow signal, and calculating to obtain a real-time respiratory flow value, respiratory frequency and tidal volume parameters of the monitored object; the real-time breathing flow value, the breathing frequency and the tidal volume parameters obtained through calculation are locally displayed in real time, and monitoring of breathing flow data during underground operation is achieved.

A safe disconnect coupler for medical tubing includes a coupler body that mates with a stalk, the coupler body having protruding cylindrical male nose portion that mates into a receptacle of the stalk. A resilient O-ring around a base of the nose mates into a circumferential detent groove in the receptacle. The O-ring and detent groove are shaped such that the nose and stalk are held slightly apart, and a small, calibrated (e.g., 1 N) tensile force is needed to pull them apart. However, when a bending force is applied to the coupler assembly, the nose bears against the inside of the stalk, keeping the two aligned such the bending force alone will not pry them apart. For a Foley catheter, an additional adapter can open a balloon injection port when pulled, and / or the coupler can be kitted with the drain bag.

The present disclosure provides embodiments of a personal protective device which include one or more sensors. The personal protective device is in the form factor of a filtered mask to cover the nose and the mouth of the subject when in use. One or more sensor modules are connected to the mask for detecting one or more parameters related to an inhalation and or exhalation of the subject. The mask is held onto the face of the subject by one or more support members.

A pull tab for a container lid includes a nose configured to apply downward pressure on a frangible region of the container lid, a rivet receiving portion adjacent to the nose that includes a rivet aperture therethrough, a lift portion located distally from the nose, and a finger hole located in proximity to the lift portion. Side edges of the finger hole include one or more upward bends, placed such that the lift portion is elevated relative to a bottom plane of the pull tab, thereby facilitating user actuation of the pull tab and enabling efficient stacking of a plurality of the container lids during manufacturing thereof to facilitate shipment and storage thereof. An indentation formed in the container lid cooperative with the lift portion provides additional grasping space. Novel methods of manufacturing are also disclosed.

The invention relates to the technical field of intelligent wearing monitoring, in particular to a multifunctional head-mounted device for improving anxiety and depression symptoms in the perioperative period, which comprises a main body base, an electric treatment assembly and a power supply assembly are arranged on the main body base, extending ear hooks are arranged at two ends of the main body base, binding straps are arranged on the extending ear hooks, and a nose pad block is arranged at the bottom of the main body base. The electric treatment assembly is in signal connection with an evaluation and control system, heart rate monitoring assemblies are arranged on the extension ear hooks, and an eye movement monitoring assembly is arranged at the bottom of the main body base; a displacement monitoring assembly is arranged on the main body base, and a respiration monitoring assembly is arranged on the nose pad block. According to the invention, physiological parameter monitoring, anxiety and depression assessment and percutaneous nerve stimulation treatment functions are integrated, and multi-node fixed design and real-time dynamic data processing are combined, so that redundant steps depending on preposed medical assessment in the traditional technology are omitted, doctors can remotely and accurately adjust personalized schemes based on dynamic data, and the accuracy of diagnosis and treatment is improved. The anxiety depression intervention efficiency and reliability in the perioperative period are improved.

The fixing device comprises a U-shaped elastic connecting tube, the middle of the U-shaped elastic connecting tube is communicated with the high-flow nasal catheter, a first nose connecting end and a second nose connecting end are arranged at the opening ends of the U-shaped elastic connecting tube respectively, the end of the first nose connecting end is wrapped with a first nasal cavity protective layer, and the end of the second nose connecting end is wrapped with a second nasal cavity protective layer. The end part of the second nose connecting end is wrapped with a second nasal cavity protection layer; the U-shaped elastic connecting pipe, the first nose connecting end, the second nose connecting end, the first nasal cavity protection layer and the second nasal cavity protection layer are adopted, the first nasal cavity protection layer and the second nasal cavity protection layer are added to be in contact connection with the interior of the nasal cavity of a patient, and therefore the interior of the nasal cavity of the patient is protected; the phenomenon that the interior of the nasal cavity is ulcerated when a patient uses the high-flow nasal catheter is prevented, and the comfort level of the patient using the high-flow nasal catheter is improved.

A comfortable, well-sealing respiratory mask with an annular comfort layer. The respiratory mask includes a rigid component, an elastic component, and an annular comfort layer. The rigid component is equipped with a gas delivery interface and an annular interface; the elastic component is connected to the rigid component and features a first accommodation area designed to house the user's mouth and nose or only the nose. On one side of the elastic component far away from the rigid component, there is at least one pressing part designed to seal at least a portion of the user's nose; the annular comfort layer has a second accommodation area that communicates with the first accommodation area, covering at least part of the pressing part and jointly forming a sealed surface with the elastic component.

This application relates to nasal seals and breathing interfaces. A nasal mask is disclosed, the nasal mask having a sealing housing and a flexible nasal seal that is connected or connectable to the sealing housing to define a mask cavity. The nasal seal extends between a face-contacting side and an outer side. The nasal seal has a contact surface that has an edge defining a nasal receiving opening leading into the mask cavity and is configured to seal around a user's nose. The nasal seal also has a sub-nasal support that is fixedly connected within the seal and is configured to extend within the mask cavity and have a contact surface that is oriented to contact at least a portion of the lower surface of the user's nose.

The invention relates to a non-invasive respiratory assistance system (10) comprising, at the top, a respiratory mask (11) anatomically shaped to cover at least the nose of the face of a patient, said mask (11) comprising a front face (13) and a through-channel (14), which is intended to be hermetically connected to an artificial ventilation apparatus, and a medical device (1) for maintaining the permeability of the airways, comprising a longitudinal guide (2); gripping means (3) and a member (4) comprising a spatula; said system (10) comprising means for fixing and locking said device (1) inserted within the mouth of said patient; said device (1) being mounted to pass through between said mask (11) and said fixing and locking means, said gripping means (3) and said control means (5) being located toward the front face (13) of said mask (11).

A set of designs for an electrically heated respirator / face mask to kill or deactivate airborne viruses and bacteria by creating a seamless thermal and / or humidity chamber / barrier around the wearer's nose and mouth area; in addition to efficiently filtering the tiny particles according to NIOSH N95 standards, it reduces the chance of contracting the disease. The designs include various combinations: a disposable or reusable N95 respirator with or without an exhalation valve, disposable or reusable medical face mask, both with or without integrated and replaceable filter layers, and a reusable respirator with filter cartridges. Each design comprises multiple layers with an active thermal filter with a heating element, which is made of graphene. The respirator is connected via a USB cable to a power unit. A control module is used to turn the device on and off and optionally control the inner temperature and humidity through sensors.

The invention relates to a knitted full-forming face protection product and a preparation method thereof, and belongs to the technical field of full-forming knitting. The knitted full-forming face protection product comprises a knitted full-forming mask, and the knitted full-forming mask comprises a first hanging rope part, a first light reflecting part, a mask face part, a mask ventilation part, a second light reflecting part, a nose wing protruding part and a second hanging rope part. The first hanging rope part, the first light reflecting part, the mask face part, the mask ventilation part, the second light reflecting part, the nose wing convex part and the second hanging rope part are integrally connected; and / or, the knitting fully-formed mask comprises a third hanging rope part, a mask lower jaw part, a third light reflecting part, a mask face part, a mask ventilation part, a fourth light reflecting part, a nose wing upheaval part, a mask forehead part and a fourth hanging rope part. The third hanging rope part, the mask lower jaw part, the third light reflecting part, the mask face part, the mask ventilation part, the fourth light reflecting part, the nose wing upheaval part, the mask forehead part and the fourth hanging rope part are integrally connected. According to the invention, masks or masks can be simply and efficiently produced.

The invention discloses an intelligent classification and recognition method for ear-nose-throat lesion images, and relates to the technical field of image recognition, and the method comprises the steps: synchronously collecting a nasopharynx white light image and an i-Scan image, screening an image meeting a quality standard, carrying out the correlation of pathology and grading labeling, and constructing a data set containing a multi-center case; the white light image and the i-Scan image are subjected to denoising processing, key mark points are extracted, image registration is completed, a mucous membrane surface area, a submucous membrane blood vessel area and a lymphatic tissue enrichment area are divided through semantic segmentation, and feature enhancement is carried out on different areas; extracting morphological features and textural features from the enhanced image, calculating feature importance weights and fusing the feature importance weights into low-dimensional feature vectors; the benign and malignant dichotomy model and the pathological type multi-classification model are respectively constructed, and classification results are output in combination with a doctor diagnosis rule base and verification indexes, so that the accuracy and clinical practicability of ear-nose-throat lesion diagnosis are remarkably improved.

The invention discloses portable equipment for measuring methane emission of ruminants in real time. The portable equipment comprises an equipment main body, the equipment main body is worn on the face of the ruminants, and the peripheral end of the equipment main body is connected with a fixing band; the invention belongs to the technical field of ruminant methane emission determination, and aims to solve the problems that in the prior art, methane determination technical equipment is heavy or an SF6 tracer method sampling system is complex in structure, high in sampling efficiency and low in sampling cost. The technical effects of the device are as follows: through the arrangement of a dual-channel non-dispersive infrared sensor module and a gas concentration analysis module, on the basis of a constant-rate SF6 gas release device preset in the rumen, exhaled gas is collected near the mouth and nose of the ruminant, so that the exhaled gas is collected near the mouth and nose of the ruminant; and the concentrations of CH4 and SF6 are detected in real time by using a non-dispersive infrared (NDIR) sensor.

A filtering facepiece respirator is provided. The filtering facepiece respirator includes a facemask adapted to fit over the nose and mouth of a wearer, where the facemask comprises a mask body containing a filtering structure. A harness is coupled to the mask body for securing the facemask on the face of the wearer, and a mechanical valve is coupled to a portion of the mask body proximate the wearer's mouth. The valve may be adjusted between a first mode of operation and a second mode of operation, where in the first mode of operation is permitted to flow through the valve on exhalation but not on inhalation and in the second mode of operation air is obstructed from flowing through the valve on exhalation and inhalation. There is an optional third mode of operation where air is permitted to flow through the valve on inhalation and exhalation.

A patient interface assembly has a patient interface and a securement system for the patient interface and / or patient interface tubing. The patient interface has a body and at least one nasal prong extending from the body. The at least one nasal prong has a gas inlet for fluid communication with a supply of breathable gas, and a gas outlet configured to direct a flow of gas towards a nare of the user's nose. The at least one nasal prong further includes an exterior surface, at least a portion of the exterior surface is a sealing surface configured to seal the nare of the user's nose. The securement system has a two-part releasable attachment or connection arrangement, the arrangement comprising a first patch and a second patch.

Described herein is a method for treating a narrowed region of a lumen in the ear or nose of a patient. The method includes advancing a catheter within the lumen such that a distal end of the catheter is positioned proximate to the narrowed region, filling a fillable member to expand the fillable member within the lumen, and generating at least one shock wave from at least one shock wave emitter. The at least one shock wave creates one or more fractures in a bony structure of the narrowed region of the lumen that dilate the narrowed region.

One variation of a respirator apparatus includes a shield center section, a filter assembly, and a gasket. The shield center section defines: a transparent center region configured to align with a nose and a mouth of a user; and a filter window laterally offset from the transparent center region. The filter assembly includes a filter media and a seal: encircling a perimeter of the filter media; and defining a center groove configured to mate with a rim of the filter window to transiently retain the filter assembly within the filter window. The gasket is arranged on a rear face of the lens center section and configured to: seal against a face of the user; and locate the lens center section and the filter assembly offset from the face of the user to form an airflow channel to direct airflow across a glabrous cheek region of the user.

The invention relates to the field of medical auxiliary equipment, in particular to a multifunctional stomach tube capable of monitoring intragastric pressure and pH value in real time, which comprises a catheter, a monitoring assembly, a power supply assembly and a fixing assembly, the fixing assembly comprises a nose bracket, a binding piece and a locking piece are mounted on the nose bracket, the locking piece comprises an outer shell and an inner shell, and a mounting cavity is formed between the outer shell and the inner shell; a driving part is connected into the mounting cavity and connected with a driving gear, the driving gear is meshed with a gear ring, the gear ring is meshed with a driven gear, a spiral sliding groove is formed in one side of the gear ring, and a fixing plate is arranged in the spiral sliding groove in a sliding fit mode; a trigger part is installed on one side of the fixing plate and used for monitoring the pulling force generated by the patient to the catheter and the pressure generated by the fixing plate to the catheter, and when the real-time pulling force and pressure data monitored by the trigger part exceed the pulling force threshold value, the controller sends an instruction to the driving part. The pressure and pH value in the stomach can be monitored at the same time, the fixing mode is stable and reliable, and high intelligence is achieved.