310results about "Respiratory masks" patented technology

A mask adapted for delivering pressurized air to a user, the mask comprising: an inner skeleton of a first resilient material encased to a sheet of a second resilient material to form a mask body having a cavity. The second resilient material is relatively more flexible than the first resilient material. The sheet has a face-contactable skirt portion extending away from a perimeter of the inner skeleton. The skirt portion comprises an outer layer and an inner layer for providing a variable contoured thickness to an outer sheet segment of the face-contactable portion. The face-contactable skirt portion has a flexible cavity edge defining a cavity opening for receiving a nasal region. The inner skeleton and the sheet have an aperture adapted to connect to an air delivery tube; the thinner flexible cavity edge is adapted to wrap into the cavity; when wrapped, the thicker contoured sheet segment wraps and seals around lateral sides of the nose.

This utility model discloses an active exhaust saturated oxygen therapy device, comprising an oxygen source, an oxygen therapy device, and an active exhaust structure connected sequentially via tubing. The oxygen therapy device includes a respirator, a saturated oxygen mask, and an elastic airbag connected sequentially. The active exhaust structure includes a vacuum tank and a vacuum pump. The elastic airbag has an inlet and an outlet. The saturated oxygen mask is connected to the inlet of the elastic airbag via tubing, and the outlet of the elastic airbag is connected to one end of the vacuum tank via tubing. The other end of the vacuum tank is connected to the vacuum pump. A vacuum pressure sensor is installed on the vacuum tank. This utility model solves the problems of reliance on chamber pressure for exhaust and uneven exhaust in existing technologies. This utility model can achieve uniform and efficient exhaust in low-pressure and zero-pressure environments. It can also effectively handle instantaneous high-flow exhalation, avoiding suffocation and improving the user experience for oxygen therapy personnel.

The application belongs to the technical field of medical apparatus and instruments, and particularly relates to a pressing type oxygen inhalation device for emergency treatment, which comprises an elastic air bag, an air inlet unit, an air outlet unit and an oxygen inhalation mask, the elastic air bag inhales oxygen through the air inlet unit, and the oxygen is supplied to a patient through the air outlet unit and the oxygen inhalation mask, and the device further comprises a fixing column coaxially arranged in the elastic air bag, wherein two movable rings are slidably arranged on the two sides of the fixing column in the elastic air bag, a plurality of elastic metal positioning pieces are arranged between the two movable rings, and the fixing column is provided with a driving mechanism for driving the two movable rings to move. The device can stably control the oxygen supply depth, avoid excessive oxygen supply or insufficient ventilation, intuitively display the exhalation state of the patient, optimize the pressing frequency, and quickly adjust the positioning parameters to meet the emergency treatment requirements.

A patient interface for delivering a flow of air at positive pressure relative to ambient air pressure to an entrance to the patient's airways to ameliorate sleep disordered breathing comprises a seal-forming structure to form a seal with a region of the patient's face surrounding an entrance to the patient's airways, a positioning and stabilising structure to provide a force to hold the seal-forming structure in a therapeutically effective position on the patient's head, and a connector assembly adapted to connect to an air circuit. The connector assembly comprises a loop member removably and releasably secured in an aperture of an attachment region of the patient interface and an elbow assembly connected to the air circuit and repeatedly connectable to and detachable from the loop member. The elbow assembly comprises an elbow member and a clip member. The clip member comprises a structure separate and distinct from the elbow member and is connected to the elbow member and releasably connects the elbow assembly to the loop member, the elbow member forming a seal with the loop member when the elbow assembly and loop member are connected to each other.

The utility model relates to the technical field of breathing mask, concretely is a breathing mask for anesthesia recovery, including breathing mask, the front side of breathing mask is provided with the mounting protruding, the front side of mounting protruding is provided with the mounting piece, the front side of mounting piece is provided with three fixed caps equidistance, the front side of mounting protruding is provided with three fixed columns equidistance, the inside of fixed column all is provided with the thread groove, the inside of fixed cap all is provided with the thread column, in the utility model, through the mounting protruding of breathing mask front side setting, with mounting piece connects, increases different user population when using breathing mask, selects the breathing mask of adapting to the size of user face, then again installs through fixed cap, is convenient for installation and dismounting, in the use process, only needs to replace different breathing mask according to the user, and mounting piece and fixed cap do not need to replace, reduces manufacturing cost.

The invention relates to a patient interface including a positioning and stabilising structure and a mask assembly including a plenum chamber and a seal forming structure, the positioning and stabilising structure including a headgear conduit extending along a crown of the patient's head from a first parietal bone to a second parietal bone; the plenum chamber including a first plenum chamber receptor assembly; wherein the first conduit connector assembly is configured to engage with the first plenum chamber receptor assembly, and be rotatable about an axis that extends through the first plenum chamber receptor assembly; and wherein when the first conduit connector assembly is engaged with the first plenum chamber receptor assembly the first conduit connector assembly is restricted from translating in a first direction perpendicular to the axis, and permitted to translate in an opposite second direction.

The application relates to the field of medical masks, in particular to a mask with a gastrointestinal mirror channel, which comprises a mask main body, an oxygen supply assembly, a gastrointestinal mirror channel assembly, an anti-aspiration assembly and a sealing adjustment assembly. The oxygen supply assembly provides clean and controllable breathing support through a multi-layer filter membrane and a flow adjustment function; the gastrointestinal mirror channel assembly is designed with a flexible sealing sleeve and an elastic support strip, thereby ensuring air tightness and adaptability during gastrointestinal mirror operation; the anti-aspiration assembly effectively deals with vomiting reflex or gastric content reflux through an arc-shaped baffle and a drainage groove; and the sealing adjustment assembly improves the adhesion and stability of the mask by using an air bag. The application can simultaneously realize breathing support and gastrointestinal mirror operation, and takes into account the safety and comfort of patients, thereby providing a perfect solution for digestive endoscopy.

The application discloses the technical field of medical appliances and relates to a noninvasive positive pressure mask which is reasonable in structure. The three groups of adhesive strips on flexible film pressure sensors are uniformly distributed and bonded on the surface of a sealing air bag, and the connecting pieces on the belt are arranged on the outer wall of the mounting column of the mask in a rotating connection mode through mounting holes. According to the fact that the mask is sleeved on the mouth and nose of a patient and the sealing air bag contacts the mouth and nose of the patient, the belt is pulled tight, and the magic tape on the belt is bonded, so that the mask is fixed and installed. When the belt is in a tight state, pressure monitoring can be carried out through the flexible film pressure sensor. When the pressure is too large, the tension of the belt can be loosened correspondingly, so that the belt in a relaxed state can guarantee that the contact surface of the mask and the skin of the patient is relieved from pressure, and the occurrence of pressure sores caused by too large pressure on the skin of the patient for a long time can be avoided.

This utility model relates to the field of ventilation therapy equipment, and discloses a ventilation therapy device, a nasal pillow mask and its pad. The pad (1) includes a pad body (11) forming a ventilation chamber. The pad body (11) has a ventilation interface (11a) for fluidly connecting the ventilation chamber to a ventilation pipeline connector (2) to allow the receiving of respiratory gas delivered by the ventilation pipeline connector (2) through the ventilation interface (11a) and supplying it to the patient's nasal cavity through the nasal pillow (12). The pad body (11) is provided with an exhaust hole (11b) for venting the patient's exhaled gas to the external space. When worn, the exhaust hole (11b) is located above the patient's upper lip. This pad can effectively shorten the distance between the exhaust hole and the patient's nasal cavity, thereby reducing the dead space volume in the nasal pillow mask. The patient's exhaled gas can be discharged from the exhaust hole in a timely manner, thereby effectively reducing the accumulation of carbon dioxide in the nasal pillow mask and ensuring a good therapeutic effect.

A gas delivery system, for providing gas to a wearer, includes a first body having a first cavity. The first body is supportable to a side of a nose and mouth of the wearer. A first adapter receives gas from a gas supply and provide the gas to the first cavity. A plurality of first openings in the first body to create a bolus of gas about the nostrils of the nose and the mouth. The first body, and a second similar body may be supported by an adjustable bridge on opposite sides of the nose and mouth of the wearer.

A breathing assistance apparatus comprising: a base unit (50); a portable display unit (3000, 3500, 4000) configured to removably connect to the base unit (50); and at least one sampling port (4600, 4700, 4701) coupled to or configured to removably couple to the base unit (50), the at least one sampling port (4600, 4700, 4701) being configured to connect with a sampling line (4602) associated with a patient, wherein the at least one sampling port (4600, 4700, 4701) is configured to, when the portable display unit (3000, 3500, 4000) is connected to the base unit (50), be accessible and minimise interference with the portable display unit (3000, 3500, 4000).

The respiratory interface assembly includes a patient interface, such as a nasal mask, and a headgear configuration. The headgear configuration may have one or more semi-rigid straps, which may be a composite structure of an outer fabric and a plastic core. The outer fabric may be knitted. The headgear configuration may include a composite rear portion having upper and lower straps configured to be adjustable relative to one another.

A coupling arrangement for use in securing a patient interface to the head of a patient. The fastening arrangement includes a first component having a source of a magnetic field and a second component having a mating component attracted to the source by the magnetic field. One or both of the source and / or a portion of the first component is moveable among: a shielded positioning wherein the source is shielded such that the maximum strength of the magnetic field outside of the first component is less than a predetermined value, and an unshielded positioning wherein the source is unshielded such that the maximum strength of the magnetic field outside of the first component is greater than or equal to the predetermined value.

A respiratory system for providing respiratory support to a patient, the system comprising: a nasal interface and a gas conduit for delivering a flow of gases to an outlet of the nasal interface, and a flow controller for selectively controlling the flow of gas into nasal interface, the flow controller configured to operate when a pressure in the system is above a predetermined value to restrict or prevent the flow of gas into the nasal interface from the gas conduit.

The application belongs to the technical field of medical devices, and specifically provides a baby respiratory nasal mask capable of adjusting the fitting degree according to the air pressure state, which comprises a respiratory nasal mask, an air pressure detection structure, a flexible air bag, an inflation valve structure, a flexible sponge, a fixed head cover and a tightness adjusting assembly; the respiratory nasal mask is connected with a breathing machine through a pipeline; the breathing machine is provided with a control module; the air pressure detection structure is installed on the respiratory nasal mask; the control module transmits an air pressure detection signal to the air pressure detection structure; the flexible air bag is installed on the end surface of the respiratory nasal mask in contact with the baby's face; the inflation valve structure is arranged on the flexible air bag; the flexible sponge is installed on the end surface of the flexible air bag away from the respiratory nasal mask; the fixed head cover is connected with the respiratory nasal mask through an elastic band; and the tightness adjusting assembly is installed on one end of the elastic band located on the fixed head cover. The tightness adjusting assembly drives the elastic band to adjust the tightness between the respiratory nasal mask and the baby's face to adapt to different babies.

A patient interface (1) is for aerosol treatment, having a base (2) to surround the patient's mouth and nose and engage the skin with a resilient seal, and with a strap (8) to attach to a patient's head. There is a support (3) on and across the base for supporting an aerosol delivery head with prongs (4, 5). An enclosed volume is formed in the interface by attachment of a shell (10), which has an extraction port (11) for attachment of an extraction system (20) to extract gas from this volume. An HFNT system includes a patient interface surrounding the nose and mouth and an aerosol delivery apparatus (4, 6), an extraction apparatus (20), and a controller (100) to control delivery of aerosol and / or gas to the interface and to extract gases from a volume enclosed by the interface. Because of the fully sealed volume within the interface there are a wide range of control scenarios possible, using pressure sensing in the volume, bypass valves (201), dynamically-controllable nebulizer (203).

A breathing system that supplies air containing reduced oxygen levels includes a mask, a housing, a valve or other air flow restrictor, and one or more sensors that detect the amount of oxygen present in the system. A user breathes into the mask, after which the air is moved into the housing, and subsequently through an expandable reservoir after which the air can be re-breathed by the user. One or more sensors may be mounted to the user as well as contained within the housing. In the event that the amount of oxygen in the system's recirculated air falls below a predetermined level, the valve may be opened to allow ambient air containing higher levels of oxygen to enter the system. The system may contain a carbon dioxide scrub medium, as well as other filters to maintain desired characteristic of the air within the system.

A patient interface includes a seal-forming structure having a textile membrane with at least one hole such that a flow of air at a therapeutic pressure is delivered to at least an entrance to a patient's nares and / or an entrance to a patient's mouth. In use, the seal-forming structure is structured and arranged to maintain a therapeutic pressure in a plenum chamber throughout a patient's respiratory cycle. The textile membrane includes a first portion that remains in a relaxed state and a second portion that remains in a tensioned state. The tensioned state of the second portion is structured to allow the seal-forming structure to include a three-dimensional shape having multiple curvatures.

This invention relates to a ventilation structure for a respiratory therapy system. In one embodiment, the ventilation structure includes a ventilation housing. The ventilation housing may define a flow path for exhausting airflow from the respiratory therapy system, an air inlet configured to allow airflow into the flow path, and an air outlet configured to allow airflow out of the flow path into ambient air. The ventilation housing may be configured such that the flow path includes a bend and deflection region in which the flow path changes direction by at least 90°. The ventilation housing may include a guide configured to guide the exhaust air radially or laterally outward from the ventilation housing.

The invention relates to a method for estimating an inhaled dose of a medicament when delivered to a user by an inhaler (12, 52). A predicted inhaled dose (PID) of the medicament is estimated from at least one first type parameter and at least one second type parameter. The first type parameter is related to a breathing pattern of the user and the second type parameter is related to the inhaler (12, 52).

Figs 1-16D & 66A-92D disclose a large variety of methods of forming the headgear for use in combination with a breathing apparatus comprising a unitary plastic core within textile casings. In some configurations, the plastic core material penetrates or bursts-through the textile casing of the straps. Some configurations include over moulding, alignment posts, T-joints and joint housings with injection aperture. Figs 17-65 & 93A-94C disclose a large variety of different headgear arrangements including top strap, front strap, rear strap and pairs of straps extending from the mask above and below the ear to meet behind the ear. Figs 95-121B disclose a large variety of connectors connecting the headgear assembly to the mask assembly where the headgear, mask and connector form a closed loop the the connector is disengaged with the mask assembly.

A respiratory pressure therapy (RPT) system may be configured to direct a flow of air to a therapeutic pressure above atmospheric pressure to a patient interface worn by a patient to treat a respiratory disorder The RPT system may include: a component that at least partly forms a passage for the flow of air at the therapeutic pressure, the component being one of the patient interface, a flow generator including a blower, an air circuit, or a humidifier; and a vaporization device that includes: a vaporization module including a vaporizer and a heating element; and a reservoir attached to the vaporization module, and the reservoir being configured to store water and provide water to the vaporizer for vaporization during use, wherein at least a portion of the vaporizer is exposed to the passage for the flow of air at the therapeutic pressure.

An interface for positive pressure therapy includes a mask assembly and a headgear assembly. The mask assembly comprises a mask seal that is adapted to underlie the nose and extend up the lateral sides of the nose to define an upwardly open valley in which the nose sits and wherein the nose of the user is exposed. The mask seal has a primary seal below the nose and a secondary seal alongside the nose.

A gas delivery conduit adapted for fluidly connecting to a respiratory gases delivery system in a high flow therapy system, the gas delivery conduit includes a first connector adapted for connecting to the respiratory gases delivery system, a second connector adapted for connecting to a fitting of a patient interface, tubing fluidly connecting the first connector to the second connector where the first connector has a gas inlet adapted to receive the supplied respiratory gas, one of electrical contacts and temperature contacts integrated into the first connector. The gas delivery conduit further can include a sensing conduit integrated into the gas delivery conduit, where the first connector of the gas delivery conduit is adapted to allow the user to couple the first connector with the respiratory gases delivery system in a single motion.

A respiratory assistance apparatus configured to provide a heated and humidified gases stream, comprising: a gases inlet configured to receive a supply of gases; a blower unit configured to generate a pressurised gases stream from the supply of gases; a humidification unit configured to heat and humidify the pressurised gases stream; a gases outlet for the heated and humidified gases stream; a flow path for the gases stream through the respiratory device from the gases inlet through the blower unit and humidification unit to the gases outlet; a sensor assembly provided in the flow path before the humidification unit, the sensor assembly comprising an ultrasound gas composition sensor system for sensing one or more gas concentrations within the gases stream.