222 results about "Inhaled air" patented technology

The utility model relates to the technical field of medical instruments, and provides an external sputum suction tube assembly structure which is characterized in that the outer surface of a thick tube is fixedly connected with an air outlet tube, the outer surface of the air outlet tube is fixedly connected with a plurality of limiting rods, and the outer surfaces of the limiting rods are movably sleeved with air blocking covers; according to the air blocking device, when the air blocking device is used, after the air bag is extruded, air enters the thick pipe from the breather pipe and then enters the air outlet pipe, after the air is filled in the air outlet pipe, the air blocking cover can slide on the outer surfaces of the limiting rods, the limiting blocks limit the air blocking cover, and the air blocking cover can slide on the outer surfaces of the limiting rods; when the air bag is squeezed and inhales air, the air blocking cover and the magnet attract each other to block the hole of the air outlet pipe, it needs to be indicated that the air blocking cover is made of iron, and after the air outlet pipe is blocked, the thin pipe can suck sputum in the human body into the connecting pipe.

The utility model discloses a carbon dioxide absorber device with an artificial nose filter, which belongs to the technical field of medical instruments and comprises a shell, an air inlet is arranged at the top of one side of the shell, an air outlet is arranged on one side of the shell far away from the air inlet and opposite to the air inlet, and an artificial nose is mounted on the air outlet. A honeycomb-shaped division bar is arranged at the inner bottom of the shell, and a gap is reserved between the lower portion of the honeycomb-shaped division bar and the inner bottom of the shell. The artificial nose is arranged at the air outlet of the shell, so that the heat and the humidity of air exhaled by a patient can be kept, bacteria and viruses in the inhaled air are isolated, cross infection is effectively avoided, and the use safety and the functionality of the device are improved; the honeycomb-shaped division bars and the first sponge mat are arranged at the inner bottom of the shell, the inner space of the shell can be divided, the absorption area is formed at the top of the first sponge mat, the water vapor collection area is formed at the bottom of the first sponge mat, calcium lime can be prevented from being soaked, and the absorption effect is ensured.

Provided is a diagnostic support program that is possible to display a movement of an area whose shape changes for each respiratory element including all or part of expired air or inspired air.There are provided processing of acquiring a plurality of frame images from a database that stores images, processing of specifying of a cycle of a respiratory element including all or part of expired air or inspired air based on pixels in a specific area in each of the frame images, processing of detecting a lung field based on the cycle of the specified respiratory element, processing of dividing the detected lung field into a plurality of block areas and calculating a change in image in a block area in each of the frame images, processing of Fourier-transforming a change in image in each block area in each of the frame images, processing of extracting a spectrum in a fixed band including a spectrum corresponding to the cycle of the respiratory element, out of a spectrum obtained after the Fourier-transforming, processing of performing inverse Fourier transform on the spectrum extracted from the fixed band, and processing of displaying each of the images after performing the inverse Fourier transform, on a display.

The present disclosure relates generally to breathing apparatuses where inhaled air and exhaled air are separated into different channels to permit a user to inhale fresh air. These devices can optionally filter inhaled air and exhaled air. These devices may include valves to help guide inhaled air and exhaled air to desired locations.

A respiratory ventilator device is described herein. The respiratory ventilator device includes an inhaled air assembly and a pneumatic compressed air assembly. The inhaled air assembly includes an injector diaphragm housing including a flexible silicone rubber diaphragm dividing an interior volume into an inhalation air chamber containing inhalation air and a compressed air chamber for containing compressed air. The pneumatic compressed air assembly operates in a compression phase delivering compressed air into the compressed air chamber to inflate the flexible silicone rubber diaphragm to reduce a volume of the inhalation air chamber and channel the inhalation air to a patient respiratory circuit, and operates in an expansion phase removing compressed air from the compressed air chamber to deflate the flexible silicone rubber diaphragm to increase the volume of the inhalation air chamber and receive the inhalation air from the supply of oxygenated air.

The utility model relates to the field of buildings, in particular to an energy-saving hospital fresh air system based on wind power negative pressure, which comprises a ventilation pipeline provided with an air outlet. The wind power negative pressure system comprises a wind collecting structure; one end with a large opening area of the air collecting structure serves as an air inlet, and the other end with a small opening area serves as an air outlet; the lower side surface of the air outlet end of the air collecting structure is provided with an opening as an air suction port; the lower side surface of the air collecting structure at one end of the air outlet is a horizontal plane at the air suction port; the air suction port is a horizontally arranged opening; the air outlet is communicated with the air suction port; a one-way valve with the conduction direction facing the air suction port is arranged between the air outlet and the air suction port. The wind power negative pressure system further comprises a wind aligning system, and an action executing mechanism of the wind aligning system is in driving connection with the wind collecting structure. The air suction port, on the lower side face of the air outlet, of the air collection structure sucks air to the air outlet of the ventilation pipeline due to negative pressure, air, bacteria and viruses in a hospital are discharged, electric driving is not needed, and electric power is saved.

The invention relates to the technical field of ship air lubrication systems, in particular to a ventilation system and method serving a ship air lubrication system. The system comprises a ventilation system located between an upper deck and a lower deck of a ship, and comprises the following components: a mechanical air supply device used for heat dissipation of an ALS air compressor and ensuring that the ALS air compressor sucks air; the mechanical exhaust device is used for exhausting hot air of the ALS air compressor as soon as possible; and the air quantity balancing device is used for balancing air supply and air exhaust of the ship so as to maintain micro-positive pressure of the ship. The air supply mode and the air exhaust mode are flexibly switched according to seasons, full-speed operation in summer ensures sufficient air supply amount to remove heat, and air is exhausted in time to maintain air circulation; the energy consumption is reduced and the heat dissipation requirement of the equipment is ensured by speed-reducing operation in winter; an air supply outlet is provided with enhanced cooling, a balance ventilator is used for adjusting and maintaining micro-positive pressure, and stable operation of the ALS air compressor is guaranteed in all directions.

An improved suction nozzle structure for a breathing device comprises a suction nozzle structure body and the breathing device, the outer wall of the suction nozzle structure body is connected with the breathing device, and a limiting structure is arranged on the left side of the suction nozzle structure body. A user inserts a cavity and a reed into a suction nozzle structure main body through a suction nozzle, so that the suction nozzle drives a circular ring to move rightwards along the outer wall of the suction nozzle structure main body, the circular ring extrudes a clamping block to move inwards, the clamping block drives a second spring to be compressed, and when the clamping block corresponds to a clamping groove of the circular ring, the second spring is compressed; the elastic force of the second spring enables the clamping block to be clamped with the circular ring, so that when medicines are inhaled through the suction nozzle, air is inhaled through the bottom of the cavity than that of a user, and a reed is stressed to vibrate in the air flowing process, so that a sound is made to remind the user; and the reeds do not vibrate, so that no sound is generated.

The invention discloses a water outlet structure and discloses shower equipment with the water outlet structure, and the water outlet structure comprises a Venturi pipeline which comprises a water inlet channel, a throat part in a necking shape and an air inlet cavity which are communicated in sequence; the two ends of the one-way flow channel communicate with the atmosphere and the air inlet cavity correspondingly, and external air is unidirectionally conveyed to the air inlet cavity through the one-way flow channel. The water outlet channel is communicated with the air inlet cavity; under the one-way anti-overflow effect of the internal structure of the one-way flow channel, the opening of the air inlet end can be set to be relatively large, the air suction function is achieved, meanwhile, sharp noise caused by the small opening when air flows through the air inlet end can be effectively avoided, and the efficient noise reduction effect is achieved on the whole.

A powered air purifying respirator includes: a protective headgear including a face shield; a flexible material configured to seal gaps between an outer frame of the face shield and a head of a user to define a breathing zone; and an airflow system built into the protective headgear, the airflow system including: an air intake filter outside the breathing zone; one or more vents inside the breathing zone; one or more air ducts coupled to the air intake filter and the one or more vents; and a blower coupled to the one or more air ducts, wherein the blower is configured to suction air through the air intake filter to generate filtered air and is further configured to blow the filtered air through the one or more air ducts to direct the filtered air through the one or more vents into the breathing zone.

An oral appliance for the treatment of sleep disorder breathing in a patient has a U shaped appliance body with a front section and two arms. The appliance body has an inner wall and an outer wall, and a web interconnects the inner and outer walls forming an upper dental arch receiving channel. The front section of the body has an air inlet opening for taking in air during inhalation. The oral appliance also has an air outlet member with an air outlet and an air flow passageway connecting the air inlet opening with the air outlet.

The present invention discloses a bistable pulsed air pump and a method for pumping air by the pump. The bistable pulsed air pump includes a steady-state switching device, a lower support plate, a support frame, a first side baffle and a second side baffle. The lower support plate and the steady-state switching device are both installed on the support frame. The steady-state switching device includes a power element, a rotating body, a spring steel strip and an air storage bag. The rotating body can rotate under the drive of the power element. One end of the spring steel strip is fixed to one end of the lower support plate, and the other end is fixed to the rotating body. The spring steel strip is bent. The air storage bag is fixed between the lower support plate and the spring steel strip. The present invention uses the bending deformation of the spring steel strip to pump air and inhale air into the air bag. Since there is a critical position between the two steady states of the spring steel strip, it will deform rapidly under the action of elastic force after passing through the critical position, so as to achieve the effect of pulsed air pumping; in addition, since the present invention can remain standby under the condition of zero power of the power element after the air pumping is completed or the air inhalation is completed.

This product is a ventilation device that is attached to the doors or walls of facilities such as high-voltage power receiving equipment. It draws in air from inside the facility through an intake fan on the front of the enclosure, which is visible inside the facility, and expels the air outside the facility through an exhaust port on the bottom of the enclosure.

The invention relates to appliances for the inhalation of a mixture of air, vapor and particles of an active substance, with a liquid-containing vessel, such as hookahs. A novel method of heating a medium releases an active substance, which produces a mixture of air, vapor and particles of an active substance without combustion. A medium is heated, releasing particles of an active substance, for the inhalation of a mixture of air, vapor and particles of an active substance. The appliance includes a cartridge containing the medium, air entering the inhalation appliance is heated to a temperature of up to 400° C., then is passed around the cartridge and through the medium. A vaporization module for carrying out the method, a cartridge for a medium that releases particles of an active substance, and an appliance for the inhalation of a mixture of air, vapor and particles of an active substance.

The invention discloses a mask oxygen concentration testing device and method and relates to the field of testing. The mask oxygen concentration testing device comprises a test bin, an oxygen bottle, an oxygen supply device, a tool clamp, a breathing simulation device and an oxygen concentration detection device, and the tool clamp, the breathing simulation device and the oxygen concentration detection device are arranged in the test bin. The tool clamp is provided with two breathing interfaces communicated with the cavity, the breathing simulation device and the oxygen concentration detection device are connected with the two breathing interfaces respectively, and the oxygen supply device is connected with the oxygen bottle and the oxygen mask respectively; the oxygen supply device is used for conveying oxygen in the oxygen bottle to the cavity at a set flow rate, the breathing simulation device is used for alternately inhaling air from the cavity and exhaling air into the cavity at set pressure and frequency, and the oxygen concentration detection device is used for detecting the oxygen concentration in the cavity at the exhaling tail end of the breathing simulation device. The mask oxygen concentration testing device and method can comprehensively and accurately detect the oxygen concentration when the oxygen mask is worn for breathing.

The application discloses a foaming injection device, a foaming device and a foaming toilet. The foaming injection device comprises a foaming injection body, which is provided with a foaming cavity, an air suction port, an acceleration hole and a foam injection port connected with the foaming cavity. The foaming solution is accelerated into the foaming cavity of the foaming injection body through the acceleration hole, so that the foaming cavity of the foaming injection body generates negative pressure and air is sucked in through the air suction port. The air is mixed with the foaming solution to generate foam. The foaming injection device of the application utilizes the Venturi effect to generate negative pressure and automatically suck in air, so that the air and the liquid are mixed to generate foam. Therefore, the foaming injection device has the advantages of simple structure, small volume, convenient installation, low cost and high foaming efficiency.

The invention discloses trachea cannula balloon air pressure monitoring and adjusting equipment and an air pressure monitoring and adjusting method, and relates to the field of trachea cannula equipment. The reciprocating driving assembly drives the piston to reciprocate in the air pressure pipe, when the piston moves towards the outer side end of the air pressure pipe, the piston can suck outside air into the air pressure pipe through the one-way air inlet valve, when the piston moves towards the inner side end of the air pressure pipe, the piston conveys the sucked air to the balloon through the one-way air outlet valve and the air guide pipe, and reciprocating is conducted in this way; the piston is driven to reciprocate in the pneumatic tube to continuously inflate the balloon, so that the balloon is gradually bulged and flexibly supported in the trachea, the cannula is positioned, meanwhile, the air pressure in the tube and the balloon is monitored through the air pressure monitoring mechanism, and when it is monitored that the air pressure value reaches a preset value, inflation is stopped. Therefore, the inflation pressure of the balloon can be accurately controlled through the cooperation of automatic inflation and air pressure monitoring, and the comfort and the stability of tracheal intubation are improved.

Described herein is a breath training apparatus [100], comprising a breathing unit [102], a CO2 modulation unit [106, 108], and a control unit [112]. The breathing unit [102] has an enrichment airflow pathway [102c], and is adapted to provide inhalation air with enriched CO2 concentration. The control unit [112] comprises a CO2 actuator [112a, 112b], a CO2 sensor [112d], and a controller [112g]. The controller: receives the signals corresponding to CO2 concentration within the enrichment airflow pathway [102c] from the CO2 sensor [112d], compares the CO2 concentration with a defined CO2 concentration; and correspondingly controls the CO2 actuator [112a, 112b] for controlled manipulation of the CO2 modulation unit [106, 108], such that the controlled manipulation of the at least one CO2 modulation unit [106, 108] adjust the CO2 concentration within the enrichment airflow pathway [102c] at least substantially equivalent to the defined CO2 concentration.

The utility model discloses an external breathing assembly for controlling inhaled air according to a breathing state. The external breathing assembly comprises a detection control unit and a breathing unit, the detection control unit comprises a breathing sensor, a switching valve and a control module, and the breathing sensor is used for detecting the expiration or inspiration state in the breathing unit; the switching valve is connected with the breathing unit, the switching valve is further provided with an air supply connector used for being externally connected with an air supply unit, and the control module is in communication connection with the breathing sensor and the switching valve and used for controlling the switching valve to act according to the expiration or inspiration state detected by the breathing sensor; by means of the external breathing assembly, the effects of providing gas during inspiration and stopping providing gas during expiration are achieved, various gas inspiration systems can control gas inspiration according to the breathing state, universal applicability is achieved, waste of effective gas is reduced, and the device is particularly suitable for existing atomizers, oxygen inhalation devices and the like.

Disclosed are heat and moisture exchangers for use in treatment of sleep disordered breathing. In some examples the heat and moisture exchangers may be positioned within the plenum chamber of a patient interface, an air circuit connected to the patient interface or within a conduit of a positioning and stabilising structure. In examples the heat and moisture exchanger is configured to provide a pressure drop of less than 5 cm of H2O, when measured at a flow rate of 100 litres per minute, while maintaining a humidity level of inhaled air which is 10 mg / L or greater.

1. The name of the design product: electric air purification respirator. 2. The use of the design product: the design product is used as an electric air purification respirator, which can be worn on the head of the user to purify the inhaled air. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

To provide a suction device for a living body that controls suction pressure finely.SOLUTION: A suction device for a living body includes: a suction tank communicated with a suction tube inserted into a living body of a suction object for applying negative pressure; an air suction part for applying suction pressure to the suction tank; and a control part for executing power control of the air suction part. The air suction part includes an air pump for sucking air from the suction tank and an ambient air adjusting valve for causing ambient air to flow into the suction tank. The control part includes a pump control part for performing power control of suction power of the air pump and drawing air from the suction tank and an ambient air adjusting part for performing downward adjustment of the suction pressure applied to the suction tank by power control for opening the ambient air adjusting valve temporarily.SELECTED DRAWING: Figure 1

The utility model discloses an integrated artificial airway temperature and humidity pipeline, which relates to the technical field of medical auxiliary instruments and comprises an oxygen pipe communicated with the air outlet end of an oxygen bottle, and the air outlet end, far away from the oxygen bottle, of the oxygen pipe is communicated with a venturi tube used for balancing oxygen flow. Two heating pipe assemblies used for heating oxygen are arranged on the side, away from the oxygen pipe, of the Venturi pipe, and one end of one heating pipe assembly is communicated with the air outlet end of the Venturi pipe. The bent pipe is used for discharging gas exhaled by a patient, the light plastic ball is arranged at the top end of the bent pipe, the gas exhaled by the patient can blow the plastic ball to move upwards, the exhaust port in the bottom end of the hollow column is exposed, smooth exhaust is guaranteed, the plastic ball can be adsorbed when the patient inhales, the plastic ball moves downwards to block the exhaust port, and the exhaust port is not blocked. A patient is prevented from directly inhaling air in the environment into the artificial airway, so that the health of the patient can be guaranteed.

The utility model discloses a conveying belt detection device which comprises a supporting frame and a detection device body, the supporting frame is suitable for being erected above a conveying belt, the detection device body is suitable for being arranged on the supporting frame, the detection device is suitable for detecting the conveying belt, and the detection device body comprises a visual detection module and a dust guiding module. The dust guiding module comprises an air inlet, an air outlet and a draught fan, the air inlet is formed in the detection side of the visual detection module, the air outlet is formed in the non-detection side of the visual detection module, the draught fan is suitable for enabling air to enter the air inlet, and the draught fan is suitable for enabling air to exit the air outlet. And the feeding state of the conveying belt can be detected and monitored more clearly and effectively, so that the detection accuracy is improved.

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 device for filtering air for a user comprising a frame formed in a generally oval-shaped band, the band encircling the user's head, with an upper portion above the user's head and a lower portion proximate to and spaced apart from the user's chin, an intake aperture formed in the frame, and an intake air filter covering the intake aperture. The device includes an air mover chamber attached with an air-tight seal to an inside surface of the frame and communicating on one end with the intake air filter and communicating on another end with a filtered air supply inlet inside the device and an air mover disposed within the air mover chamber and configured to draw air through the intake air filter and push air out the filtered air supply inlet. The device also includes an exhaust aperture formed in the frame and an exhaust air filter covering the exhaust aperture. The device further includes a transparent face shield attached with an air-tight seal to a front surface of the frame, the shield providing a space for air between an inside surface of the face shield and the user's face, and a fabric component, at least a portion of which is air impermeable and extends from a back surface of the frame to cover a remaining portion of the user's head and encircle the user's neck.

A device for determining measurement values describing the function of the lungs or the respiratory system of a patient includes a mouthpiece including a tube for introducing respiratory air and for sucking in air, and a gas measurement space. At least one of the following gas sensors is arranged in the gas measurement space: nitrogen monoxide sensor, carbon dioxide sensor, oxygen sensor, carbon monoxide sensor, multi-gas sensor, sensor for volatile organic compounds, alkane sensor, infrared sensor, fiber optic sensor, resistance sensor, and semiconductor sensor. The gas measurement chamber is separated by a closable opening into a first gas measurement chamber and a second gas measurement chamber, the second gas measurement chamber being closed or closable. The closable opening opens a flow path from the first gas measurement chamber into the second gas measurement chamber. A gas sensor is arranged in the second gas measurement chamber.

To provide a waste processing apparatus capable of smoothly processing waste without requiring new underfloor plumbing work when installing a flush toilet indoors.SOLUTION: A waste processing apparatus 100 that receives wastewater discharged from a flush toilet 1 with a wastewater receiver 10 and discharges the received wastewater from the wastewater receiver 10 by suction of a vacuum suction device 2, comprises the wastewater receiver 10 connected to the flush toilet 1 and the vacuum suction device 2 connected to the wastewater receiver 10, wherein the wastewater receiver 10 has an inlet with a check valve connected to the flush toilet 1, an outlet connected to the vacuum suction device 2, and an intake that takes in air during suction by the vacuum suction device 2, and the check valve is in a closed state during suction by the vacuum suction device 2.SELECTED DRAWING: Figure 1