50results about How to "Prevent breathing" patented technology

Methods and systems are described to automatically obtain and analyze a lung airway gas sample from the breath of a person for compositional analysis. These techniques may provide an improved method for example for accurately and reliably measuring nitric oxide for asthma assessment in young children and non-cognizant patients.

The invention discloses an orthopedic device for correcting noses. The device comprises a support, a sleeve ring, an inner shaft, splints, control buttons, rubber columns, connecting plates, a telescopic rod, nasal plugs, air inlets, threaded tubes, threaded joints, support rods, air outlets, joint balls, vibration pumps, power blocks and a spring. The invention has the beneficial effects that theinside of the nasal plug is hollow, and the support rod and the nasal plug at the bottom are connected with the threaded joint through the threaded tube so that when the nasal plugs are inserted intothe nostrils, the hot air exhaled by the nostrils can flow out along the inside of the support rods, preventing the nasal plugs from blocking the nostrils and affecting the breathing of the user, making the user uncomfortable when using the device. Moreover, the support rods and the nasal plugs are convenient to disassemble, facilitating to clean the nasal plugs; the sanitation of the device is ensured; the vibration pump is arranged inside the splint, and the vibration pump is connected to the rubber columns through the joint balls, so that the rubber columns can massage the nose.

The invention provides a digital communication controller and a control method. The controller is mainly composed of a display board, an audio board and a digital processing board, wherein the audio board comprises a power circuit, an audio receiving amplifier, a microphone signal compression amplifier, a volume gating and control digital output circuit and a switching circuit. Received audio signals are subjected to voltage and power amplification through the audio receiving amplifier and are then converted to differential output, differential input is converted to single-end input for received microphone signals through the microphone signal compression amplifier, and compression amplification and transmission out are then carried out. The communication controller is not subjected to electromagnetic interference, breath sounds can be filtered well, and the speech definition is enhanced.

Methods, devices and kits for treating bruxism while sleeping. The nostrils of a nose of a patient are blocked, thereby preventing the patient from breathing through the nostrils. The patient is then allowed to sleep, while the nostrils remain blocked, whereby the patient is forced to breathe through the mouth.

The invention discloses a gas injection oil production process in a double-layer oil pipe. The gas lift process comprises the following steps that a small oil pipe is put into a main oil pipe, and a gas lift valve is arranged on the small oil pipe; nitrogen or natural gas is injected into the small oil pipe; and oil is discharged from the annular spaces of the small oil pipe and the main oil pipe,and gas lift production is carried out. The process has the beneficial effects that when a conventional gas lift pipe column is injected with nitrogen or natural gas, the outer wall of an oil pipe and a casing pipe are seriously corroded, the casing pipe can be well protected from being corroded, and oxygen-containing gas does not directly contact the casing pipe; a gas exchange lifting pipe column or a gas injection pipe column of an original well production pipe column is avoided, the well repairing period is reduced, the yield is improved, and the operation cost is saved; and later leakagefinding, leakage blocking and channeling plugging workover are reduced, and operation cost is saved.

The invention provides an exhaust gas protection and collection system for an injection molding machine. The exhaust gas protection and collection system comprises a movable support and a fixed support. The fixed support is provided with a left mold. The movable support is provided with a right mold, wherein a mold cavity is formed by the right mold and the left mold. A collection cover extending to the position above the mold cavity is installed at the top of the fixed support. A draught fan is arranged at the top of the collection cover and communicated with an exhausting pipe. A gas insulation hanging curtain is arranged at the portion, close to the operation side, of the collection cover. A pair of sliding rails are arranged at the top of the movable support. The collection cover is supported on the sliding rails. By the adoption of the exhaust gas protection and collection system for the injection molding machine, due to the fact that the gas insulation hanging curtain, the collection cover, the draught fan and the exhausting pipe are arranged on the operation side of the injection molding machine, in the mold opening process of the injection molding machine, a molded finished plastic product can be conveniently taken out along a seam in the gas insulation hanging curtain, operators can be prevented from breathing smoke particles through the gas insulation hanging curtain, the smoke particles near the molds can be quickly absorbed through the collection cover and the draught fan, air pollution is reduced, and the human body is prevented from being hurt by the smoke particles.

The present invention provides a functional mask that is a mask that covers a user's nose and mouth, has hanging members connected on both sides thereof, is made of a fabric material, and comprises: a frontal member formed at the front thereof; a first cover attached to cover the inner surface of the frontal member; a filter member interposed between the frontal member and the first cover; and a top blocking member attached in a widthwise direction to the inner top portion of the first cover. The functional mask according to the present invention is completely pressed against a user's face so as to block the entry of external impurities such as fine dust and pollutants, provides a secure wearing feel, prevents fogging of glasses when the mask is worn, and enables the filter member and an antibacterial member to be attached and detached such that replacement of same is made easy and the mask can be used hygienically, thereby having possibilities for industrial use.

A helmet breath guard add-on which is capable of effectively preventing steam formation in a helmet shield, thereby removing inconveniences when wearing a helmet, is disclosed. The breath guard may be made from a flexible yet solid elastomeric material providing for an adequate elastic adjustment, and allowing a fit to a wide variety of different helmet user faces. Preferably, the single piece nature of the breath guard allows for the prevention of leaks for adequate helmet fog reduction. The elastic nature of the material allows the breath guard to generally keep its shape even when distorted from the putting on and the removal of the helmet.

The invention discloses a super-hydrophobic porous chitosan/Ag@AgCl-TiO2 composite material and an environmentally-friendly mask. Chitosan serves as a raw material, polyvinyl alcohol serves as a flexible agent, silica gel serves as a pore forming agent, Ag@AgCl-TiO2 serves as functional particles, and the super-hydrophobic porous chitosan/Ag@AgCl-TiO2 composite material which comprises criss-crossmicro-nano pore channels is formed on a sterile medical gauze framework through hydrophobic nano-SiO2 sol after-treatment. The environmentally-friendly mask uses the composite material as an independent assembly and disassembly function layer, and therefore cleaning and replacement are convenient. The composite material can effectively resist the inhalation of fog and haze particles, effectivelyavoid droplet transmission of bacteria, viruses and the like, and has a self-cleaning effect under the condition of illumination of sunlight, ultraviolet light and the like. In addition, the compositematerial has the super-hydrophobicity, and the phenomena that the composite material swells in the exhalant weak-acidity water vapor, the pore channels are blocked, and breathing is affected can be avoided. As a result, the environmentally-friendly mask can be repeatedly used and is suitable for the regions with fog and haze and the novel coronavirus pneumonia epidemic situation medium and low risks.

The invention relates to an air sterilization and disinfection method and system based on the plasma technology. The air sterilization and disinfection system comprises a shell, a power source, a draught fan, a plasma generator and flexible cloth, wherein the power source, the draught fan, the plasma generator and the flexible cloth are arranged in the shell. The power source is used for supplyingpower to the plasma generator and the draught fan. The flexible cloth is arranged on the outer side of the plasma generator. Water, containing plasmas, generated by the plasma generator is attached to the surface of the flexible cloth. An air inlet and an air outlet are formed in the shell, a ventilation channel is formed in the shell, and the air inlet and the air outlet are formed in the two sides of the flexible cloth. By means of the air sterilization and disinfection system, the plasma technology is adopted, water and a plasma polar plate are adopted for generating water containing the plasmas, the water containing the plasmas has the high oxidizing property and can generate a redox reaction with bacteria and various microorganisms, and the purpose of sterilization and disinfection is achieved.

The invention discloses a baby carriage and a seat pocket mechanism. The baby carriage mainly comprises a frame, a seat pocket fixing rod and a seat pocket. The seat pocket fixing rod is provided with multiple locking ports from bottom to top. A lock catch device is installed on the seat pocket and matched with the locking ports so that the seat pocket can move up and down relative to the seat pocket fixing rod. When the position of the seat pocket needs to be adjusted, only the lock catch device needs to be unlocked, the seat pocket is pulled to be vertically adjusted to the needed height, the lock catch device is matched with the locking port corresponding to the height to achieve the locking function, and therefore the height of the seat pocket is adjusted and a baby has multilayer view when sitting on the seat pocket. In addition, safety use of the baby carriage can be guaranteed by arranging a corresponding lock catch structure; meanwhile, when the baby carriage needs to be folded, a push rod can be allowed to be rotated only by pulling of a pull handle, and the folding function is achieved; and when the baby carriage is pushed to make a turn, two front universal wheels turn in the same direction, and the baby carriage is convenient to push.

The invention discloses carving equipment capable of clearing wood chips and carrying out grinding. The carving equipment comprises an equipment box body, wherein a transmission cavity is fixedly connected to the end wall of the lower side of the equipment box body, and a transmission device is arranged in the transmission cavity; a machining cavity is formed in the equipment box body, a fixing table is fixedly connected to the end face of the lower side of the machining cavity, and a fixing device is fixedly connected into the fixing table; a moving box is fixedly connected to the end face ofthe right side of a Z-axis sliding block, a machining device is fixedly connected into the moving box, and a grinding device is fixedly connected into a grinding box; an auxiliary cavity is fixedly connected to the end wall of the lower side of the equipment box body, and a clearing device is arranged in the auxiliary cavity; and a fan box is fixedly connected to the end wall of the right side ofthe equipment box body, and a collecting device is arranged in the fan box. According to the carving equipment capable of clearing the wood chips and carrying out grinding, automatic carving machining and grinding integration can be achieved on wood, meanwhile, the wood chips generated by machining can be cleared and collected, and the use efficiency is high.

The invention discloses a method for actively killing injurious insects in a grain bulk by using a gas-solid two-phase flow. The method comprises the following steps: spraying out powder by using a power sprayer, wherein the powder is mixed with air above the grain bulk or air in a ventilating duct to form a gas-solid two-phase aerosol; forming an air flow in the grain bulk by using a ventilator; enabling the gas-solid two-phase aerosol to move along with the air flow to form the gas-solid two-phase flow; and enabling the gas-solid two-phase flow to enter into the grain bulk via gaps among grains in the grain bulk to be actively contacted with injurious insects among the grains for actively killing injurious insects. By selecting proper insecticidal powder and selecting the gas-solid two-phase flow to apply powder, the insecticidal powder is fully and uniformly contacted with the grains and the method is low in requirement on leakproofness of the grain bulk, temperature, pest species, humidity and the like, easy to operate and harmless to human body.

An apparatus is provided for shading a sunbather's head and neck from the sun. The apparatus includes a canopy having a plurality of spaced apart ribs affixed thereto. A first end of each of the ribs is hingedly connected to and radiates from a first hub. There is a plurality of spaced apart braces having a first end hingedly connected to and radiating from a second hub and a second end of each of the braces is hingedly connected to one of the ribs. Further included is a mechanism that is engageable with each of the first and second hubs for extending and retracting the canopy. There is also a base member having at least three legs pivotally connected together. A top portion of the base member is hingedly connected to a second end of at least one of the ribs for supporting the canopy a predetermined height above ground.

A unitary body is placed inside the user's mouth, with an upper portion of a front face of the appliance and a lower portion of the front face of the appliance seated inside between the user's lips and the upper and lower front teeth and gums, where the teeth are loosely retained in teeth receiving channels in the body of the appliance.

A device for treating sleep disorders such as snoring and sleep apnea comprising an upper portion, and a lower portion; wherein a first bottom surface of the upper portion, is joined to a second top surface of the lower portion using a sealant. A method of treating sleep disorders such as snoring and sleep apnea includes using an oral appliance, and a positive airway pressure machine for assisting a user to breathe through the nose.

The invention discloses a clean type winding device for non-woven fabric processing. The clean type winding device comprises a base table, wherein an assembling frame is fixedly mounted at the top of the base table; a driving motor is fixedly mounted on the left side of the assembling frame; the output end of the driving motor is fixedly connected with a winding shaft; the winding shaft extends into the assembling frame; and a cloth winding roller is fixedly mounted on the surface of the winding shaft. According to the clean type winding device for non-woven fabric processing, electrons emitted by an electrostatic generator are combined with dust or fluff in air, so that the dust or fluff is electrified; and the air enters a sealing barrel cover through a dust removal pipe (a one-way inlet valve in the dust removal pipe enables the air to enter the sealing barrel cover only through the dust removal pipe), the dust or fluff in the air become charged particles, and a permanent magnet has a stable magnetic field, so that the dust or fluff in the form of charged particles deflects under the action of the magnetic field and Lorentz force, and falls into a dust storage box through the dust removal pipe.

The invention discloses a treatment device for fume generated in conversion process of vanadium pentoxide by ammonium metavanadate. The device is characterized by comprising a first-stage spraying temperature reduction device, a second-stage sulphuric acid spraying device, a third-stage sulphuric acid spraying device, a fourth stage alkali solution spraying device, a power supply control box, a diluted sulphuric acid tank, a alkali solution tank and a tap water inlet pipe, wherein the first-stage spraying temperature reduction device, the second-stage sulphuric acid spraying device, the third-stage sulphuric acid spraying device and the fourth stage alkali solution spraying device are sequentially connected, an air inlet is formed in one side of the first-stage spraying temperature reduction device, a first-stage corrosion preventing plastic self-absorbing pump is arranged on the other side, and an electric thermal coupling probe which is electrically connected with the power supply control box is arranged in the first-stage spraying temperature reduction device. The treatment device has the advantages that fume generated in the process in which the vanadium pentoxide is convertedby the ammonium metavanadate can be effectively treated and recycled to be reused, the atmospheric pollution can be effectively reduced, the influence on the respiration of a human body is avoided, the economical benefits are created, wastes are turned into treasures, dual-purpose is achieved, and the treatment device is suitable for popularization.

The invention discloses a dioxygen dual-cycle ventilation pressure-reducing boost shoe which comprises a shoe upper and a shoe sole. The shoe upper is provided with an exhaustion heat-dissipating device. The shoe sole is provided with a dioxygen dual-cycle exercise therapy device. The exhaustion heat-dissipating device is communicated with the dioxygen dual-cycle exercise therapy device via an exhaust pipe. An inlet air filter is arranged on the inner surface of the shoe upper. The inlet air filter is communicated with the air intake pipe of the dioxygen dual-cycle exercise therapy device via an air intake device. The dioxygen dual-cycle ventilation pressure-reducing boost shoe integrates the functions of pressure reduction and pain relief during exercise, circular ventilation, kinetic energy conversion and exercise assistance, and also has the advantages of removal of dirt and foul air from the shoe and easy cleaning.