14 results about "Nasal region" patented technology

The invention provides a nomeline nasal-brain delivery preparation for transnasal region mucosa administration, and an auxiliary material mixture of the nasal-brain delivery preparation comprises 1) phospholipid, and 2) any one of diluent ethyl oleate, isopropyl myristate, sesame oil or castor oil; optionally, the auxiliary material mixture can also comprise 3) a dissolving agent such as ethanol or diethylene glycol monoethyl ether, the auxiliary material mixture is a non-aqueous system, and a solution prepared from the mixture of the two or three auxiliary materials can be absorbed by the nasal meatus olfactory mucosa after being administrated through the nasal region mucosa, can be quickly conducted to the brain olfactory bulb region along olfactory nerves and cerebrospinal fluid, and can be used for treating the brain olfactory bulb. The problems that the peripheral side effect is high due to poor brain targeting of the medicine, the medicine takes effect slowly and the like are solved.

The invention relates to a system and / or an apparatus for an improved helmet system that may help reduce the severity of injuries by enhancing overall helmet protection through uniquely designed facemasks and facemask bumpers. The facemask and facemask bumpers that are particularly adapted to redistribute pressure and impact forces, decrease vibration, sudden shock, noise and / or the peak forces transmitted from the facemask to the rest of the helmet system. The facemask bumpers may be disposed into specific regions of the facemask, including the brow region, the glabella region, orbit region, the frontal region, the mandible (front, right and / or left side) region, the maxilla region, the nasal region, zygomatic region, the ethmoid region, the lacrimal region, the sphenoid region and / or any combination thereof.

Embodiments provide targeted delivery of powder medications (high and low dose) within the nose and to different nasal regions. Oscillating jet technology provides a unique approach to minimize hotspot formation and the associated irritation associated with high powder mass applications together with improved posterior surface area coverage and improved drug absorption for locally acting or systemically and neurologically targeted medications.

Disclosed herein are protective apparatuses, and associated systems, for minimizing the risk of transmission of SARS-CoV-2 and / or other infectious diseases between individuals in close proximity to one another including, for example, transmission through droplets projecting from the mouth or nasal region of an infected individual. Said apparatuses may comprise a substantially transparent shield component and a handle component comprising a connecting aspect. The protective apparatuses may comprise light emitting diodes and associated control means. The protective apparatuses of the present disclosure may further comprise a camera communicatively connected to a display screen.

A mask assembly can include a mask seal. In some configurations, the mask assembly can be configured to be fully positioned lower than a bridge of a nose of a face of a user and to provide an exposed bridge of the nose of the user. The mask seal can comprise a nasal region comprising at least one nasal opening, a first paddle on a first side of the nasal region and a second paddle on a second side of the nasal region. The first paddle is configured to contact one side of the nose of the user and the second paddle is configured to contact the other side of the nose of the user.

A mask is configured to contact a face of a user along a contact surface of the mask, where the contact surface is formed from a plurality of components, and the mask includes: a nose component configured to contact a nasal region of the user along a first portion of the contact surface of the mask, the first portion of the contact surface has a customized configuration to fit a configuration of the nasal region of the user; and a main assembly configured to contact a cheek region and a mandible region of the user along a second portion of the contact surface of the mask. A corresponding method of manufacturing a mask is also disclosed.

The invention generally relates to systems and methods for targeting of specific tissue(s) of interest within a sino-nasal region of a patient, specifically sinus regions (i.e., ostia and sinus cavities), for the treatment of chronic sinusitis conditions.

The utility model relates to a nose area heating mask which comprises a mask body, a pair of fixing bands and at least one heating piece, the fixing bands are connected to the two sides of the mask body respectively, and the heating piece is installed on the upper portion of the mask body and heats air around the nasal cavity of a user when the user wears the mask on the face. Air entering the nasal cavity is heated to a proper temperature, so that the integrity of a respiratory mucosal barrier and the activity of immune cells are favorably maintained, and the defense capability on viruses is enhanced.

The invention discloses a person respiration non-contact detection method based on single-reflection schlieren. The method comprises the steps that a schlieren video stream of a mouth and nose area of a subject is collected through a single-reflection schlieren imaging device; the schlieren optical system is configured to enable a light spot of the light source, which is gathered back through the reflector, to fall on the edge of an entrance pupil diaphragm of the imaging lens, and the physical edge of the entrance pupil diaphragm is utilized to partially shield the gathered light spot so as to form a virtual knife edge effect; performing frame-by-frame processing on the schlieren video stream, and in a region of interest (ROI) below the mouth and the nose, calculating a characteristic statistic representing airflow disturbance intensity, namely a respiratory airflow intensity signal; performing baseline drift removal and frequency domain filtering processing on the respiratory airflow intensity signal to obtain a standardized respiratory waveform; on the basis of the breathing waveform, multi-dimensional breathing parameters including the real-time breathing frequency, the relative breathing depth and the inspiration and expiration ratio are calculated through a self-adaptive waveform feature extraction algorithm; and analyzing transient characteristics and periodic laws of the respiratory waveform, and identifying apnea, cough or sneezing events.

The application provides a breathing support oxygen inhalation tube, which comprises a communicating oxygen inhalation anterior nasal cavity and an oxygen inhalation tube; fixed bands are arranged on both sides of the oxygen inhalation anterior nasal cavity, and a flexible intranasal tube is arranged on the oxygen inhalation anterior nasal cavity in correspondence with the nasal cavity; the side wall of the oxygen inhalation anterior nasal cavity corresponding to the nasal cavity is obliquely away from the nostril, and correspondingly, the connecting part of the flexible intranasal tube and the oxygen inhalation anterior nasal cavity is arranged as an enlarged plugging part which is matched with the nostril, and the enlarged plugging part is located outside the nasal cavity; a pressure relief port with an area of 15-25 mm 2 is arranged on the base of the oxygen inhalation anterior nasal cavity corresponding to the skin of the anterior nasal region; when the patient is in apnea, high-flow oxygen inhalation with a flow rate of 40-70 L / min is implemented, the enlarged plugging part is intermittently lifted to plug the nostril, and the patient can be provided with 30-70 cmH2O pressure of inhalation support; the structure is simple, the cost is low, the oxygen inhalation tube is disposable, and the oxygen inhalation tube is safe and reliable.

This invention provides a nasal guard, which can be constructed according to various manufacturing techniques (e.g. molding. 3D printing, etc.) for use during nasal sinus and skull base surgery to reduce aerosolized transmission to protect surgical staff, conserve the volatile supply of personal protective equipment (PPE) and reduce the introduction of particles into the operating room. The novel nasal guard, according to embodiments of this invention, can be readily applied to the patient's nose / nasal region during surgery and, while exposing the nostrils for access by surgical procedures, reduces aerosol emission from the nares. This allows for an adequate seal on a variety of face sizes / shapes without impeding access for surgical tools and / or does not otherwise interfere with surgical approach. The nasal guard herein is also compatible with standard suction equipment. The nasal guard is easy-to-use and ergonomic, and can be (is) constructed from biocompatible materials.

The present application relates to the technical field of cell induced differentiation culture and cell culture medium preparation, and provides a cell culture medium and a use thereof in inducing the directional differentiation of olfactory mucosa mesenchymal stromal cells into melanocytes. The culture medium has a clear composition, and the components used are all conveniently and readily available mature commercial components. The culture medium can be used to induce olfactory mucosa mesenchymal stromal cells into melanocytes expressing tyrosinase and containing melanin particles, and has the advantages of a simple induction method and autoinduction to avoid ethical problems. In addition, the olfactory mucosa mesenchymal stromal cells are isolated from the nasal mucosa tissue, the nasal mucosa tissue is conveniently available, the nasal region has an abundant blood supply, and the wound is small and heals rapidly without causing continuous damage to the human body. The prepared melanocytes can be used as seed cells for treating vitiligo diseases and have wide prospects.

The utility model discloses a kind of nasal mask ventilation structures. Including: nasal mask, nasal mask is equipped with air inlet, air outlet and overflow passage, overflow passage is communicated with air inlet and air outlet, air inlet is used to supply outside gas to enter overflow passage, nasal mask is used to wear in nasal region of human body, so that the gas in overflow passage can flow to human nasal cavity by air outlet;Headwear, headwear is used to wear in head of human body, headwear includes headwear main body and two connecting bands, two connecting bands are respectively detachably connected to the opposite two side walls of nasal mask;One of nasal mask and connecting band is equipped with connecting piece, the other is equipped with connecting groove, connecting piece and connecting groove are detachably matched. The nasal mask ventilation structure of the utility model solves the problem that the traditional nasal mask's binding belt cannot be detached, leading to the difficulty in cleaning and disinfecting, and the problem of the existing detachable nasal mask structure complexity.

The application discloses a kind of child mouth breathing monitoring method, device, equipment and medium, comprising: using non-contact sensor group synchronous acquisition target child during sleep Multimodal physiological data, Multimodal physiological data at least include face thermal imaging video stream, chest and abdomen micro-motion signal and environmental audio signal;Multimodal physiological data is handled, respectively extract and breathe related Multimodal features, Multimodal features include based on the thermodynamic change feature of extracting oral-nasal region in face thermal imaging video stream, based on the respiratory effort waveform of extracting in chest and abdomen micro-motion signal, and based on the sound source spatial position and spectral feature of extracting respiratory sound in environmental audio signal;Multimodal features are input to pre-trained mouth breathing identification model, and the judgment result that target child occurs functional mouth breathing event in specific time period is output;Based on the judgment result, the mouth breathing monitoring report of target child is generated.