Abstract: A ventilation treatment device and a ventilation-control method are provided. During use, when a headband contacts a headrest, a first valve assembly contacts a second valve assembly to open first air holes and second air holes, thereby communicating a first chamber with a second chamber, such that air from an air source into the first chamber enters the second chamber and further enters a respiratory chamber of a patient connecting apparatus for inhalation by a patient; and when the headband is separated from the headrest, the first valve assembly and the second value assembly are separated to close the first air holes and the second air holes, thereby preventing the air in the first chamber and the second chamber from flowing out through the first air holes and the second air holes, respectively.

Abstract: Provided are a ventilation sound-diminishing apparatus and a ventilation therapy device. The apparatus comprises a sound-diminishing housing having a gas flow channel with flow channel side walls. A first flow channel side wall and a second flow channel side wall are arranged opposite to each other in a first direction. A plurality of first scattering bodies and a plurality of second scattering bodies are each arranged at intervals in a plurality of rows and columns provided on the inner surface of the side wall of the first flow channel and second flow channel, respectively. A predetermined distance is maintained between the first and second scattering bodies in the first direction. A specific frequency in a certain interval of sound wave is attenuated due to oscillation in the array structure, reducing the intensity of that frequency interval, reducing low-frequency noise in an intended elimination frequency band, and enhancing comfort of use.

Abstract: A breathing gas delivery pipe, a nasal catheter, and a ventilation therapy device. The breathing gas delivery pipe is used for delivering gas to a patient interface, and comprises a gas delivery pipe body (1); and the gas delivery pipe body (1) comprises a gas delivery channel (2) and a heat preservation structure used for preserving heat of the gas delivered in the gas delivery channel (2). In this way, the heat preservation structure preserves the heat of the gas delivery pipe body (1), so that the temperature drop in the gas delivery channel (2) can be effectively slowed down or avoided, thereby temperature drop of the gas delivered in the gas delivery channel (2) is further slowed down or avoided, and the generation of condensed water in the gas delivery channel (2) is avoided.

Abstract: A ventilation therapy device comprising: a main machine used for producing a therapeutic gas and comprising a main machine air inlet and a main machine air outlet; and a disinfection apparatus, the disinfection apparatus used for producing a high-temperature disinfecting gas, the disinfection apparatus communicated with the main machine air inlet or the main machine air outlet so as to introduce the high-temperature disinfecting gas into the main machine. By providing the disinfection apparatus communicated with the main machine, the ventilation therapy device can perform all-around disinfection on the entire air passage of the main machine by means of the high-temperature disinfecting gas produced by the disinfection apparatus, the disinfection is dead-corner-free, residue-free, high in safety, and low in cost, so that the problem of a risk of a germ presenting inside the ventilation therapy device when the ventilation therapy device is used by a patient can be thoroughly solved.

Abstract: The present disclosure relates to the technical field of aluminum-plastic film production and discloses a metal composite film comprising an outer substrate resin layer, an intermediate metal layer and a heat-fusible resin layer; an anti-corrosion layer is formed on a side of the intermediate metal layer, the side being in contact with the heat-fusible resin layer; the anti-corrosion layer is formed of an anti-corrosion solution by coating or heat treatment; the components of the anti-corrosion solution include a trivalent chromium compound, an inorganic acid and an organic resin; the trivalent chromium compound, the inorganic acid and the organic resin are in a mass ratio of (19-60):(3-60):(6-60). The components of the anti-corrosion solution may further comprise a titanate; the trivalent chromium compound, the inorganic acid, the organic resin and the titanate are in a ratio of (19-60):(3-60):(6-60):(1-10).

Abstract: A method and apparatus for determining a human-face size are provided. The method includes: collecting a first to-be-measured human-face image of a to-be-measured target, wherein the first to-be-measured human-face image includes a first to-be-measured human face of the to-be-measured target and a circular reference object; acquiring a first pixel value of the first to-be-measured human face, and a second pixel value of the circular reference object; in response to a circularity of the circular reference object being greater than a preset circularity threshold, acquiring an angle of inclination of the circular reference object; and according to the first pixel value, the second pixel value, the angle of inclination and an actual size of the circular reference object, determining a first size of the first to-be-measured human face.

Abstract: The present disclosure relates to the technical field of aluminum-plastic film production and discloses a metal composite film comprising an outer substrate resin layer, an intermediate metal layer and a heat-fusible resin layer; an anti-corrosion layer is formed on a side of the intermediate metal layer, the side being in contact with the heat-fusible resin layer; the anti-corrosion layer is formed of an anti-corrosion solution by coating or heat treatment; the components of the anti-corrosion solution include a trivalent chromium compound, an inorganic acid and an organic resin; the components of the anti-corrosion solution may further include a titanate; the components of the anti-corrosion solution may further include a fluoride. The use of the formula for the anti-corrosion solution within the range defined above in the present disclosure can significantly improve the initial peel strength of the intermediate metal layer and the heat-fusible resin layer of the metal composite film.

Abstract: The present disclosure relates to the field of lithium battery separators, and aims to provide a battery separator and a coating process thereof, a coating system and a battery. The coating process includes: initial heat setting of a polyolefin membrane, online coating of the polyolefin membrane, and heat setting of a coating membrane. The coating system includes a plurality of drying ovens disposed in a travel route of heat setting of a polyolefin membrane, and a coating apparatus for coating a coating slurry on the polyolefin membrane, which is disposed at a spacing position of adjacent drying ovens. When the online coating flow is disposed before the end of the heat setting of the polyolefin membrane, the polyolefin base membrane and the coating slurry are dried by using the temperature of the heat setting drying oven of the polyolefin membrane.

Abstract: A data processing method and device based on a positive pressure ventilation therapy machine is described. The method comprises: acquiring a current operating parameter and a current pressure value of a draught fan in the positive pressure ventilation therapy machine; finding a target relational expression corresponding to the current pressure value in a preset list according to the current pressure value, wherein the preset list comprises a plurality of pressure values and relational expressions corresponding to the plurality of pressure values, and each of the relational expressions corresponding to the plurality of pressure values is a relational expression between operating parameters of the draught fan and a gas flow output by the positive pressure ventilation therapy machine; and determining a current gas flow output by the positive pressure ventilation therapy machine according to the current operating parameter and the target relational expression.

Abstract: Provided are a water tank installation structure and a ventilation therapy device. The water tank installation structure comprises a water tank (10), an installation space (21), and a connection structure; the water tank (10) is arranged to fit into and out of the installation space (21) in a rotational manner; the connection structure is arranged to connect the water tank (10) to the installation space (21) when the water tank (10) is rotated into the installation space (21), and release the water tank (10) from the installation space (21) when the water tank (10) is disengaged from the installation space (21). The water tank installation structure simplifies the installation of the water tank (10), and facilitates the filling of the water tank (10) with water.

Abstract: The present disclosure relates to the field of battery separators, and in particular discloses a polyolefin microporous membrane with a thickness of 2 to 30 ?m, a puncture strength of 1000 to 2000 gf, a tensile strength of 3200 to 5000 kgf/cm2 along an MD direction, a tensile strength of 2800 to 4800 kgf/cm2 along a TD direction, a porosity of 40% to 57%, a maximum pore size of 33 to 48 nm, an air permeability of 10 to 400 s/100 ml, and an impedance of 0.3 to 0.952/cm2, and a manufacturing system thereof, and a coated separator and an electrochemical apparatus using the basal membrane. In the present disclosure, the polyolefin microporous membrane has excellent performance and its thickness, tensile strength, puncture strength, air permeability, porosity and thermal shrinkage rate all can satisfy the applications having high requirements for the thickness and mechanical strength of the microporous membranes.

Abstract: An embodiment of the present invention provides a mask, ventilation therapy equipment and a method executed based on the ventilation therapy equipment, and belongs to the field of ventilation therapy equipment. The mask comprises a mask body, acquisition units and output units, wherein the acquisition units are arranged on the mask body and are used for acquiring eye movement data of the eyes of a user; the eye movement data comprises action data of the eyes of the user; and the output units are connected with the acquisition units, and are used for outputting the eye movement data. By the mask, a ventilation therapy equipment system and the method executed based on the ventilation therapy equipment system, the operation intention expressed by the user with the eyes can be recognized so as to carry out follow-up control on the ventilation therapy equipment, and the user experience is greatly enhanced.

Abstract: Disclosed is a winding method using an air expansion structure, which accurately controls the winding process by preset inflation parameter values and preset winding parameter values, so as to create space for a membrane to contract after winding, that is, to relieve the stress of the membrane, so as to avoid the situation of deviation or innermost side wrinkling during winding of the membrane, and the rewinding procedure is not needed, so that the complexity of the working procedure is reduced.

Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.

Abstract: A blower device and a respirator including the blower device. The blower device comprises a case, a blower vibration source disposed within the case and a buffering assembly for associating the blower vibration source and the case, wherein the vibration absorption assembly comprises at least two of a locating buffering member associated with a top portion of the blower vibration source, a connection buffering member in which at least a part of the blower vibration source is received and a support buffering member associated with a bottom portion of the blower vibration source. The blower device is capable of effectively buffering vibration of the blower device, decreasing noise transmission and has a simple structure.

Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.

Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.

Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.

Abstract: A humidifier includes a housing, the housing is provided with a gas inlet, a gas outlet and a humidifying chamber for containing a humidifying liquid, and an external gas enters the housing via the gas inlet, flows through the humidifying chamber, and is discharged via the gas outlet; a water-absorbing-fiber device, wherein the water-absorbing-fiber device is provided inside the humidifying chamber, and extends in a longitudinal direction of the humidifying chamber, the water-absorbing-fiber device includes a first cross section, and the first cross section intersects with a gas-flow direction of the external gas after the external gas enters the humidifying chamber.

Abstract: A nasal plug for a nasal oxygen catheter, a nasal oxygen catheter, and a ventilation therapy device. The nasal plug comprises a body (1), which comprises a casing (11) and a cavity (12) located within the casing (11), and is provided with at least one gas outlet (2), the nasal plug further comprises a stop structure (3) that surrounds the at least one gas outlet (2) and extends from an inner wall of the casing (11) toward the cavity (12). The stop structure (3) surrounds the gas outlet (2) and extends from the inner wall of the casing (11) toward the cavity, thereby plays a role of preventing the condensed water on an inner wall of the cavity from entering the gas outlet, and solves the problem of water choking caused by the condensed water entering the patient's respiratory tract from the gas outlet.