91 results about "Upper respiratory spaces" patented technology

A facemask and accessories which overcomes the adverse effects and limitations of current designs by moving the maxilla and mandible in forward direction, which assists in correcting maxillary and mandibular skeletal and dentoalveolar deficiency and help expand the upper airway by advancing the mandible. This is accomplished by a design that is supported only by forehead and produces forces in front of maxilla and mandible. The extra-oral facebow design is characterized by providing two independent force adjustments, one above the forehead and the other one in front of the face by attachments to the upper and lower jaw bones and teeth. In particular, the two independent adjustments are provided by a fully adjustable forehead pad and bilateral adjustable bows on opposite sides of the facebow's extra-oral frame to provide protracting forces.

The invention relates to a chin electrical stimulation combined upper airway muscle group training system and method based on bioelectric feedback, and belongs to the field of upper airway muscle group training. Comprising a pressure detection module used for detecting a pressure value in an upper respiratory tract muscle group training process; the myoelectricity acquisition module is used for detecting myoelectricity numerical values in the training process of the upper respiratory tract muscle group; the electrical stimulation output module is used for stimulating partial nerve excitation and muscle contraction of the muscle group of the upper respiratory tract of the trainee; the signal conditioning module is used for carrying out preprocessing and analog-to-digital conversion on signals transmitted among the modules; and the control module is used for controlling signal interaction in the whole training process. And the display interaction terminal is used for interacting with the trainee. Based on bioelectricity feedback, a new individualized electrical stimulation and upper airway muscle group training treatment mode is newly established, accurate electrical stimulation and training intensity are formulated, and fatigue and injury are avoided.

Devices and / or methods for treating sleep disordered breathing may include stimulation of a single nerve, multiple nerves, as well as other tissues relating to upper airway patency.

Systems and methods for treating a patient's mucus hypersecretion condition are disclosed herein. Certain implementations may involve a method for reducing mucus secretion in an upper airway of a patient to treat at least one of post nasal drip or chronic cough. The method may include advancing a treatment delivery portion of an energy-based treatment device into a nostril of the patient. The treatment delivery portion may contact mucosal tissue of the upper airway without piercing the mucosal tissue. The treatment delivery portion may deliver treatment to at least one tissue selected from the group of the mucosal tissue and another tissue underlying the mucosal tissue to modify a property of the at least one tissue and thus treat at least one of post nasal drip or chronic cough in the patient.

The invention provides an upper respiratory tract muscle group mechanical property measuring and evaluating method based on signal characteristics. Firstly, a force signal of an upper respiratory tract muscle group is collected through a sensor; after the signals are subjected to voltage amplification filtering and digital processing, key characteristic variables including the maximum muscle force, the muscle force stability, the total acting amount, the fatigue index and the overall testing time are generated. In order to improve the evaluation accuracy, a multi-level machine learning model is introduced, and the multi-level machine learning model comprises a basic TabTransform structure, a contrast learning framework and a meta-learning technology so as to realize deep analysis of a feature complex interaction relationship. In the model training process, through comparative learning of unlabeled data, the feature representation capability is enhanced; an MAML framework is adopted to quickly adapt to a small amount of labeled data, and a comprehensive target of disease grading and curative effect prediction is taken into account by utilizing a multi-task learning strategy. Finally, the performance index of the model on the verification set is remarkably improved, and efficient evaluation and rapid deployment can be achieved in practical application.

The disclosure provides systems and methods for treating obstructive sleep apnea using an inertial measurement unit (IMU) comprising an accelerometer and a gyroscope, wherein the IMU is configured to detect chest and / or abdominal movement by a patient during the inspiration and expiration stages of a respiratory cycle and to generate positional data based on the detected movement. Positional data generated by the IMU is used by an implanted stimulation system to determine when to deliver electrical stimulation to a nerve which innervates an upper airway muscle, such as the hypoglossal nerve, to treat sleep apnea.

The invention discloses a multi-substituted cyclodextrin supramolecular material as well as a preparation method and application thereof and a pharmaceutical composition, and relates to the technical field of supramolecular materials, and the multi-substituted cyclodextrin supramolecular material is obtained by coordination of multi-substituted cyclodextrin and metal ions. The CD-pMOF prepared by the preparation method disclosed by the invention has relatively strong drug loading capacity, and shows an excellent protective effect on unstable drugs; and the prepared CD-pMOFs with different sizes respectively have relatively good upper respiratory tract and lung deposition effects, and have wide application prospects in inhalation drug delivery systems.

A method for treating viral infections caused by viruses whose survival time depends on temperature (e.g., cold viruses, flu viruses, COVID-19, etc.) is based on administrating to a subject an effective amount of thermal energy transferred from a hotter liquid product to the colder subject using a predetermined combination of the temperature of the liquid product, the duration of time of supplying the liquid product, and the amount of the liquid product. This method of treatment inactivates viruses in the upper respiratory tract and gastrointestinal tract of the subject and enhances the response of the immune system, thereby preventing complications and accelerating the recovery of the infected subject.

Therapeutic inhaled antibodies and methods of delivering these therapeutic antibodies are described herein that may sustain the concentration of the therapeutic inhaled antibody in the upper respiratory tract (URT) and lower respiratory tract (LRT) as well as in the blood even after a single dose. The compositions and methods described herein can provide therapeutically relevant levels of an inhaled antibody delivered by inhalation in a single dose delivered at a frequency of once a day or less. These methods can result in concentrations in both the URT and LRT that are higher than a clinically relevant minimum threshold concentration.

The invention relates to an intubation bougie (10) comprising a body (11) and a distal portion (12) formed by at least three elastomer segments (121, 122, 123) with increasing flexibility from one end of said distal portion (12), which is integral with the body (11), to a free end of said distal portion (12) intended to enter the upper airways of a patient. These segments are preferably articulated to one another. A sheath (200) surrounding the segments (121, 122, 123) and a ball end (210) advantageously complement said distal portion (12). The invention also relates to a method for producing such an intubation bougie (10).

The invention discloses a segmentation modeling method for improving bronchial branch identification precision, and belongs to the technical field of medical image processing and respiratory tract three-dimensional reconstruction. According to the method, high-resolution acquisition is performed on a respiratory tract CT image, and preliminary segmentation of a tracheal tree is completed in combination with gray threshold setting and a region growing algorithm; and a reference line is introduced at the bifurcation, and dynamic region growth based on density gradient is adopted, so that refined identification of the sixth-level bronchial branch is realized. And then carrying out iteration correction on the generated model for multiple times, manually comparing anatomical features to delete pseudo branches and complement missing branches, and completing smoothing and NURBS curved surface construction in Geomagic software. And finally, splicing and fusing the bronchial branch model and an independently generated upper respiratory tract model to obtain a complete three-dimensional respiratory tract combination model, and ensuring that the error between the three-dimensional respiratory tract combination model and an original CT image is controlled within 0.8 mm through deviation analysis. According to the method, the recognition precision of the fine bronchial branches can be remarkably improved, the defect of misrecognition or missing division of traditional threshold segmentation is overcome, and the obtained three-dimensional model can be used for aerosol drug deposition simulation, respiratory system disease diagnosis, surgical planning and design and evaluation of personalized inhalation devices.

The present invention relates to a tongue muscle neuromuscular stimulator, comprising a tongue muscle contact assembly, an electrode assembly and a battery assembly. The electrode assembly comprises a first electrode, a second electrode, a wire and a conductive connecting block. There are two first electrodes and two second electrodes respectively. The tongue muscle contact assembly comprises a tongue muscle contactor and a second electrode movable block. Through the tongue-mimicking structure of the tongue muscle contact assembly, the tongue muscle contactor can be placed in the oral cavity to contact the tongue. The first electrode and the second electrode of the electrode assembly can stimulate the muscles outside and inside the tongue of the upper respiratory tract to achieve a therapeutic effect on the tongue muscle. In addition, under the elastic deformation action of the first spring, the second electrode movable block not only effectively fits the lower end of the tongue to adapt to different tongue muscle shapes before treatment, but also further improves the therapeutic effect of the tongue muscle, thereby solving the problem that the tongue muscle trainer achieves the purpose of treatment or recovery by training the tongue muscle strength, has a long treatment or recovery cycle, and is difficult to train the tongue muscle nerves.

The invention relates to the technical field of medical instruments, in particular to an oral cavity and upper respiratory tract sterilizing and purifying device which comprises an occlusion piece, an oral cavity pipe fitting, a nasal cavity pipe fitting and a superoxide supply device, a hinged frame U-shaped pipe is hinged to the hinged frame occlusion piece in a limited mode along the transverse axis, and the hinged frame U-shaped pipe can be switched between a use position and an idle position in a swinging mode; in the use position of the hinge frame, the second output ends of the two hinge frames swing upwards to the positions corresponding to the nostrils of a patient of the hinge frame; when the hinge frames are in idle positions, the second output ends of the two hinge frames swing downwards to the positions far away from the nostrils of the patient with the hinge frames, and the device has the advantages that through the integrated design, disinfection and killing of the oral cavity and the upper respiratory tract are achieved, and the treatment efficiency is improved. The occlusion piece, the oral cavity pipe fitting, the nasal cavity pipe fitting and the superoxide supply device are organically combined, so that a disinfecting and killing mode which is convenient to use and comprehensive in function is realized.

The invention belongs to the technical field of health-care products, and particularly relates to a probiotic composition for improving health of an oral cavity and an upper respiratory tract and a preparation method of the probiotic composition. Oral health is an important component of whole body health. Bacterial infections in the oral cavity, such as caries and periodontal diseases, not only influence the oral cavity, but also possibly harm the whole body health and influence the quality of life. The oral cavity is a portal of the respiratory tract, and bad oral hygiene may cause the accumulation of tartar, plaque, soft dirt and the like in the oral cavity and becomes a repository of pathogenic bacteria of the respiratory tract. When the immunity is low, the bacteria may enter the lung through the respiratory tract to cause respiratory tract and even lung infection. The invention discloses a probiotic composition for improving health of oral cavity and upper respiratory tract, which has the effects of resisting inflammation, resisting infection, preventing decayed teeth, protecting oral mucosa, preventing and treating bad breath and the like through the synergistic effect of streptococcus salivarius subsp. Thermophilus K12, lactobacillus rhamnosus CRL1505, lactobacillus salivarius NHNK612, lactobacillus mucus NHNK606 and the like.

The invention relates to the technical field of medical instruments, in particular to a nasal cavity insertion type trachea cannula examination and administration device which comprises a flexible outer tube, when the nasal cavity insertion type trachea cannula examination and administration device is used, one end of the outer tube is inserted into the throat position from the nasal cavity of a patient, and the other end of the outer tube is located outside the patient and electrically connected with control equipment; the observation head is arranged at one end, extending into the body of the patient, of the outer tube and is electrically connected with the control equipment; the dosing tube is arranged along the outer tube, one end of the dosing tube is fixedly connected and communicated with a liquid ring, the liquid ring is arranged at one end, close to the observation head, of the outer tube and fixedly connected with the inner wall of the outer tube in an attached mode, and liquid medicine is atomized through the liquid ring and sprayed to the throat edema position. According to the device, upper respiratory tract edema examination, administration treatment and trachea cannula and trachea gap detection can be achieved at the same time, the problems that upper respiratory tract edema examination is inconvenient, administration is not timely, and trachea cannula and trachea gap detection is lacked are solved, the operation process is simplified, the workload of medical staff is reduced, and the rehabilitation speed of a patient is increased.

The present invention provides a temperature-corrected analyte detection method, and relates to the following steps: after a series of analyte calibrators with different concentrations are added into an immunoassay test strip, using an optical analyzer to measure, at each segmented temperature point, a signal value generated after the analyte calibrator of each concentration is captured on a detection pad of the immunoassay test strip; drawing a corresponding equation by taking a T / C value at each segmented temperature point as an X axis and the concentration of the analyte calibrator as a Y axis; and then, performing temperature segmentation according to n selected segmented temperature points, and in different temperature segments, using different formulas to perform calculation. The temperature-corrected analyte detection method can be used for more accurately detecting myocardial markers, upper respiratory tract viral infections, metabolic hormones, gastrointestinal panel markers, allergens, and the like on the basis of time-resolved fluorescence immunoassay.

The present invention relates to a single cell cylindrical battery, such as a button cell or a button battery, that can be regarded to have the shape of a slice of a cylinder, and to a method preventing upper digestive and upper respiratory tract injury after accidental ingestion of the single cell cylindrical battery. It is noted that in some case ingestion has even led to the death in particular of children or small size adults, or people with a mental limitation, or people with a prior narrowing of structures in which the battery can be lodged. The structures in which the battery can be lodged are both the pharyngeal, upper digestive and upper respiratory tracts. As ingestion itself can not always be prevented, a relatively safe battery has been developed, which mitigates problems associated with ingestion.

The invention discloses an upper respiratory tract auxiliary breathing device and a control method thereof.The device comprises a tongue fixator, a lower jaw fixator and a linkage device, the tongue fixator is used for fixing the tongue and driving the tongue to move synchronously, and the lower jaw fixator is used for fixing the lower jaw and driving the lower jaw to move synchronously; the linkage device is respectively connected with the tongue body fixer and the lower jaw fixer and is used for enabling the tongue body fixer and the lower jaw fixer to be mutually linked; when the tongue body fixator drives the tongue body to move from a first tongue body position to any second tongue body position, the linkage device drives the lower jaw fixator to drive the lower jaw to move from a first lower jaw position to a corresponding second lower jaw position; or when the lower jaw fixator drives the lower jaw to move from the first lower jaw position to any second lower jaw position, the linkage device drives the tongue fixator to drive the tongue to move from the first tongue position to the corresponding second tongue position. The device can reduce the limp and numb feeling on the acting part of a patient after long-time use.

The utility model provides an upper respiratory tract simulation training model, which comprises a bottom plate, a connecting assembly and a training assembly, and is characterized in that the top of the bottom plate is fixedly connected with a first fixing block; the connecting assembly is arranged on one side of the first fixing block and comprises a chest shell, a cervical vertebra body and an occipital bone. According to the upper respiratory tract simulation training model, a real human anatomical structure is restored through the cervical vertebra body, the occipital bone, the airway, the mandible and the like, the upper respiratory tract structure is convenient to learn and understand, the structure part is provided with a normal version and a lesion version, the mandible shell can be pulled outwards, an instrument can enter a correct position conveniently, and the training efficiency is improved. Under the action of a first fixing block and a bottom plate, actual operation training of a laryngeal mask and a laryngoscope is facilitated, under the action of a second fixing block and the bottom plate, an occipital bone, a front skull, a cervical vertebra body and the like are conveniently driven to be subjected to angle fixation, body position adjustment needed during operation is facilitated, and use flexibility is enhanced.

The object of the invention, which relates to a speaking valve (1) and to a method for using the speaking valve (1) on a tracheotomy patient, is to provide a solution in which the speaking valve (1) is robust and can be produced easily and cost-effectively. In addition, the speaking valve (1) is intended to make it possible to control an air flow during exhalation through the upper respiratory tract. Furthermore, the dead space volume inside the speaking valve (1) is to be minimized. This object is achieved by the arrangement in that at least one air outflow opening (8) which can be sealingly closed by means of a closure element is arranged in a wall of the housing (2) of the speaking valve (1), in that the closure element is a separate hollow truncated cone (9) mounted rotatably within the housing (2) of the speaking valve (1), and in that at least one opening (16) corresponding to the air outflow opening (8) is arranged in the hollow truncated cone (9).

A method for treating sleep apnea provides an implantable device having at least one layer of piezoelectric material sandwiched by an outer electrode and an inner electrode, implanting the implantable device inside the tongue of a patient, and generating electricity when the implantable device deforms, such that the electricity flows to the hyoglossus nerve to stimulate it, thereby moving the tongue to open the upper airway of the patient.

The invention discloses application of medical supplies, and particularly relates to new application of an arm pressing belt. The belt comprises a belt body, one end face of the belt body is provided with a bonding position, and the other end face of the belt body is provided with a corresponding bonding position. Or one end of the belt body is provided with an inflection ring, and the other end face of the belt body is provided with a bonding part and a bonding corresponding part; the arm pressing belt is bound on an arm to prevent and treat hypertension and type 2 diabetes mellitus, protect brains of patients with hyperlipidemia and hyperuricemia, prevent and treat Alzheimer's disease and Parkinson's disease, prevent and treat acute upper respiratory tract infection, and prevent and treat myopia of teenagers and children. The application has the advantages that blood supply of left and right common carotid arteries and left and right vertebral arteries can be increased, the effect of increasing blood supply of the head and the brain is achieved, and the disease symptoms are improved.

The present application relates to the technical field of medical apparatus, and particularly relates to an oral cavity and upper respiratory tract disinfection and purification device, which comprises a bite piece, an oral cavity pipe piece, a nasal cavity pipe piece and a superoxygen supply device, and the articulated frame U-shaped pipe is articulated on the articulated frame bite piece along a transverse axis and can swing between a use position and an idle position; in the articulated frame use position, the two articulated frame second output ends swing upward to positions corresponding to the nostrils of the patient; in the articulated frame idle position, the two articulated frame second output ends swing downward to positions away from the nostrils of the patient, which has the beneficial effect of realizing oral cavity and upper respiratory tract disinfection through integrated design and improving treatment efficiency. The bite piece, the oral cavity pipe piece, the nasal cavity pipe piece and the superoxygen supply device are organically combined to realize a convenient and comprehensive disinfection mode.

Described herein are compositions, methods, kits and devices for the treatment and / or prevention of a wide spectrum of disease conditions. In particular, bacterial populations described herein are live, purified bacteria for the modulation, restoration and / or promotion of the microbiome in the upper respiratory tract of a subject, including the nasal cavity, to promote health. Such bacterial populations may include single or multiple strains for bacteria. The multiple strains of bacteria may be strains from the same or different species, including species of Corynebacterium and / or Dolosigranulum pigrum.

The present invention relates to a cleaning device (1, 1′) for nasal cavities comprising a hollow main body (2) comprising an air inlet (11) and defining a housing space (4), at least one respiratory care device (5, 35) for the upper or lower respiratory tracts, removably coupled to the main body (2) and an activation element (16). The device (1, 1′) further comprises a compressor unit (13) adapted to be inserted in said housing space (4) and comprising a hollow motor support (14) adapted to contain a compressor (15) and defined between a bottom (3) and an upper end (16) close to the housing of the respiratory care device (5, 35). The main body (2), the compressor unit (13), and the at least one respiratory care device (5, 35), when assembled, define an inner suction chamber (17) comprising a flow inlet (18), a compressor flow inlet (20), and a flow outlet (19). The motor support (14) comprises a channel (21), preferably longitudinal, along an outer wall (22) of the motor support (14) defined between the air inlet (11) and the flow inlet (18) of the suction chamber (17).

The invention discloses a sputum suction connecting tube, and relates to the technical field of medical instruments, in particular to a sputum suction connecting tube which comprises an inner tube, the sputum suction end of the inner tube is slidably sleeved with an outer tube, the front end of the inner tube is wrapped with a buffer layer, and an air cavity is formed between the buffer layer and the inner tube. A negative pressure moving ring capable of moving inwards through negative pressure is arranged on the inner wall of the sputum suction end of the inner tube, and an air bag capable of inflating the air cavity is arranged on the inner side, close to the negative pressure moving ring, of the inner wall of the sputum suction end of the inner tube. The covering cylinder at the end part of the outer tube is flexibly propped against the buffer layer at the front end of the inner tube, so that when the outer tube carries the covering cylinder to enter the upper respiratory tract in advance and is fixed at a preset position, the inner tube can be independently pushed forwards to go deep into the lower respiratory tract, and colonized florae in the upper respiratory tract are effectively prevented from invading the lower respiratory tract along with the sputum suction tube by utilizing the physical isolation effect of the outer tube; the iatrogenic pulmonary infection risk is reduced.

A tracheotomy catheter comprises a fixed wing and a catheter body, the fixed wing is arranged at the outer end of the catheter body, the inner end of the catheter body is movably sleeved with a movable installation sleeve, the movable installation sleeve is provided with an air bag structure, and the upper side of the movable installation sleeve is connected with a telescopic secretion suction pipe opening structure and a movement control device. The air bag structure is further connected with an air inflation device through an air inflation pipe structure, and the telescopic secretion suction pipe opening structure, the movement control device and the air inflation pipe structure all penetrate through the fixing wings along the outer wall of the catheter body. According to the tracheotomy catheter indwelling for a long time, the air bag is prevented from pressing the fixed position of the trachea wall for a long time, and the surface of the air bag is prevented from being adhered to the trachea wall, so that the clinical problems of tracheal mucosa blood supply disorder, local ulcer, avascular necrosis or perforation, even esophagus erosion and the like are completely avoided; and the upper respiratory secretions can be completely extracted and discharged.

A tracheostomy trainer includes a head pivotally connected to a neck and a chest, he head, neck and chest define an interior space, and the neck defines a tracheostomy opening. The trainer further includes a tube entrance coupled to a mouth, an upper airway tube fluidly coupling a chest tube to the tube entrance, the upper airway tube residing at least partially in the head and at least partially in the neck, and the chest tube fluidly coupling the upper airway tube to a lung bag. The chest tube resides at least partially within the chest, and the lung bag resides within the chest. At least one of the upper airway tube or the chest tube defines a trach tube opening, the trach tube opening aligning with the tracheostomy opening, the upper airway tube, the chest tube, and the lung bag comprising an air tight fluid path, wherein fluid enters and exits the air tight fluid path via the mouth and the trach tube opening.

The invention discloses a lung function training device which comprises a shell, an air outlet end and a blowing nozzle are arranged at the left end and the right end of the shell respectively, a fixing base is arranged on the side, close to the air outlet end, of the inner wall of the shell, a reed is fixedly connected to the side face of the fixing base, and a bypass cavity is formed in the side, close to the blowing nozzle, of the inner wall of the shell. By arranging the shell, the reed and the diaphragm, firstly, a patient actively blows air to impact the reed, so that the reed generates a primary vibration source, when the frequency of pressure pulsation generated by the reed is close to or consistent with the inherent frequency of the diaphragm, the diaphragm enters a resonance state, then the diaphragm generates an ultimate vibration source, vibration is transmitted to the whole shell, and the vibration is transmitted to the whole shell. The high-frequency vibration is utilized to effectively reduce the viscosity and adhesive force of sputum, so that the sputum is loosened from the airway wall, and exhaled air flow generated by blowing can also help the loosened sputum to move towards the oral cavity.

The invention relates to the technical field of medical care and rehabilitation medicine, and discloses a method for establishing reverse airflow to assist sound production through a subglottic suction tube, and the method comprises the following steps: executing airway cleaning, keeping a tracheotomy cannula air bag full, and blocking a tracheal gap by using the air bag; constructing a reverse air supply passage for connecting an external air source and the subglottic suction tube; gas supply equipment is started, and the gas flow is adjusted through a progressive strategy; on-off of a gas path is controlled according to sound production requirements, so that gas is ejected from the subglottic suction tube and is limited by blocking of the air bag to form upward reverse airflow to impact the vocal cord. The air bag is used as a physical barrier to reconstruct subglottic positive pressure, vocal cord vibration is effectively driven to recover the speech function of a patient on the premise that a tracheotomy ventilation mode is not changed and the risk of aspiration by mistake is not increased, the problem that the tracheotomy patient cannot make a sound for a long time is solved, and meanwhile recovery of physiological reflex of the upper respiratory tract is promoted through fluid stimulation.