665 results about "Breath out" patented technology

A facial basin assembly includes a basin with a convex top side and a concave bottom side. The assembly features a mouthpiece to facilitate user breathing while their face is submerged in liquid. The mouthpiece is connected to a coupling device via one or more air flow conduits. This coupling device is designed to be removably inserted through a ledge of the basin and is adapted to direct the user's exhalation toward the bottom of the basin. The basin comprises a base portion and a curved portion, the latter allowing exhaled breath to escape into the environment.

Apparatus and methods for contact-free breath analysis are provided. One aspect provides a pneumatic circuit that can be used for analyzing a contact-free breath sample or a breath sample provided through an inlet tube. Some aspects provide apparatus that can be incorporated into a rearview mirror or steering wheel of a vehicle, or used as a standalone unit.

The invention provides an atomization control method and system based on a breathing machine, and belongs to the technical field of breathing gas instruments. The method comprises the steps that after receiving a handshake request signal from a second microcontroller, a first microcontroller establishes serial port communication connection with an atomizer based on the handshake request signal so as to receive an atomizer control protocol sent by the second microcontroller; wherein the handshake request signal is generated based on the operation that the communication wire is connected to the communication interface of the atomizer; the atomizer control protocol at least comprises an instruction required by the respirator to control the atomizer; determining a breathing stage corresponding to the patient according to the breathing information of the patient from the breathing sensor; and after an atomization control instruction is received and before a breathing phase enters, according to an atomizer control protocol, continuously generating an inspiration phase fog supply instruction and sending the inspiration phase fog supply instruction to the second microcontroller, so that the atomizer carries out synchronous fog supply along with the air supply airflow of the breathing machine based on a preset delayed fog outlet duration and stops fog supply in an expiration phase.

The invention relates to the technical field of emotional robots, and discloses an embracing emotional robot which comprises an inner shell, low-cost and high-simulation breathing simulation is achieved through cooperative control of an air pump and an air valve, and the embracing emotional robot is designed by combining simulation body temperature brought by a heating piece and synchronous action of a rotatable arm. The emotion robot can naturally rotate forwards when being embraced and is matched with simulated respiration and simulated body temperature, so that the immersion and emotion interaction experience of a user are remarkably improved; the operation cycle of the air pump strictly follows biological breathing characteristics, the inspiration stage accounts for 2 / 3 of the breathing cycle, the speed of the inspiration stage changes fast and slow, the expiration stage accounts for 1 / 3 of the expiration stage, smooth pressure relief is achieved through the air valve, and the highly-simulated breathing mode can effectively guide a user to breathe synchronously, so that parasympathetic nerves are activated, the anxiety level and heart rate fluctuation are reduced, and the user experience is improved. And the whole structure adopts a modular design, complex functions such as breathing simulation, embracing and body temperature simulation can be realized, the maintenance is convenient, and the device is particularly suitable for long-term accompanying scenes.

A mask-based diagnostic apparatus is provided for detecting a biomarker contained in exhaled breath of a test subject. An exhaled breath condensate (EBC) collector converts breath vapor received from the lungs and airways of the test subject into a fluid biosample. The EBC collector including a thermal mass, a condensate-forming surface and a fluid conductor disposed on the condensate-forming surface. A fluid transfer system receives the fluid biosample from the EBC collector. A biomarker testing unit receives the fluid biosample from the fluid transfer system and tests the fluid biosample for a target biomarker. A testing system support is provided for supporting the EBC collector, the fluid transfer system and the biomarker testing unit. The testing system support is configured and dimensioned to fit inside a face mask. A face mask is provided forming an exhaled breath vapor containment volume to hold the exhaled breath vapor in proximity to the EBC collector to enable the condensate-forming surface cooled by the thermal mass to coalesce the exhaled breath vapor into the fluid biosample.

The invention discloses an online analysis system based on hydrogen and methane expiration monitoring, and belongs to the technical field of respiration monitoring. Comprising a zero calibration module used for obtaining a first collection environment background carbon dioxide concentration; the original signal acquisition module is used for acquiring an expiration sample; the data processing module is used for processing the original signal data stream; the signal processing module is used for outputting the filtered concentration signal; the signal compensation module is used for obtaining the compensated hydrogen and methane concentration; the secondary zero calibration module is used for acquiring a reference carbon dioxide zero point; the baseline correction module is used for carrying out baseline correction; and the model building module is used for outputting trend judgment. By means of the online hydrogen and methane expiration analysis system, the technical effect that high-concentration precision is still kept under the expiration volume fluctuation and sensor nonlinear conditions is achieved, and the problem of measurement deviation caused by volume change, nonlinear response and carbon dioxide zero drift in the prior art is solved.

The invention relates to the technical field of medical intubation, in particular to patient-assisted breathing intubation equipment for nursing, comprising an intubation bed divided into an upper plank bed and a lower plank bed; the head adjusting mechanism comprises a pillow groove formed in the top end of the upper plate bed, an adjusting groove is formed in the inner wall of the pillow groove, and a first supporting plate is fixedly connected to an opening of the adjusting groove. 3, sensing the change of the exhaled air temperature of the patient through the thermistor plate, namely the human body exhaled air temperature (6-37 DEG C vs and the room temperature of 24 DEG C), and when exhaled air flow is in contact with the thermistor plate, triggering the change of a current signal by the temperature change. After the PLC detects sudden change of current, the single-shaft motor is automatically controlled to drive the headrest to rotate, the elevation angle of the head is accurately adjusted to the optimal intubation position through magnetic attraction transmission of the electromagnetic block and the permanent magnet block, a nurse does not need to manually and repeatedly adjust the elevation angle, and especially time is saved in an emergency. The preset position of the thermistor plate ensures the angle accuracy.

A one-way breath training device has a mouth insert engaged to a cage housing a movable baffle. The mouth insert has an air hole extending from a first end to a second end. The baffle moves within the cage between a backstop having air pathways therethrough to the second end of the mouth insert. The cage has one or more guidance tracks which the baffle moves along. When a user attempts to inhale through their mouth, the inflow of air pulls the baffle against the second end and blocks the air hole to prevent further air from entering the air hole. When a user exhales through the mouth insert, the outflowing air pushes the baffle against the backstop of the cage thereby opening the air hole and air pathways for the exhaled air to escape.

The invention belongs to the technical field of expiration detection, and particularly relates to an intelligent expiration tail end gas sampling device and method. The device specifically comprises a shell, a circuit board, a carbon dioxide sensor, a pressure sensor, a baffle, a top cover, a suspension plate, an air pump, a relay, a breathing mask, a mask connector with an internal small cavity, a thermal desorption tube, a TD tube, a Bluetooth module, an air path channel, a silicone tube and the like. End-expiratory gas collection is achieved through accurate triggering and flow control, and dead space gas mixing is avoided; collected gas is directly enriched into a thermal desorption (TD) adsorption tube, so that the loss of VOCs in the transmission and storage process is reduced; and through quantitative sampling volume control and an optimized pipeline material / structure, the adsorption / release and background pollution of the device body to the sample are reduced, so that the representativeness and sensitivity of sampling and the repeatability among different operators / different places are improved.

A CO2 and other gas compensation device includes a device body containing a respiratory gas CO2 compensation device. Inside the respiratory gas CO2 compensation device, an airway is set up. An output end of the airway is connected to a respiratory parameter detection module, which is connected to the respiratory terminal. Inside the respiratory terminal, a proximal pressure sensor and an end-tidal CO2 sensor are installed. The proximal pressure sensor and the end-tidal CO2 sensor are electrically connected to the respiratory gas CO2 compensation device. CO2 is compensated into the respiratory terminal through the respiratory gas CO2 compensation device. The respiratory parameter detection module can monitor parameters of incoming CO2. The respiratory gas CO2 compensation device, in coordination with the respiratory parameter detection module, achieves precise monitoring and adjustment of the incoming CO2, thereby accurately controlling the amount of CO2 compensation required by the patient and improving the treatment effect.

The utility model discloses a respiratory nursing lung function rehabilitation training device, and relates to the technical field of medical equipment. The device comprises a base, a connecting cylinder is fixedly connected to the upper surface of the base, a connecting plate is fixedly connected to the top end of the connecting cylinder, a connecting block is fixedly connected to the top of the connecting plate, a ventilation groove is formed in the connecting block, a breathing hose is fixedly connected to the position, close to the bottom, of the outer surface of the connecting cylinder, and a bottom plate is placed in the connecting cylinder; a top plate is arranged on the upper surface of the bottom plate, and two ends of a spring are fixedly connected between the bottom plate and the top plate. According to the breathing training device, through the installed air filter element, when a patient exhales into the training device, air can be blown into the connecting cylinder from one side of the spring, then enters the air filter element from one circle of the edge to be filtered, and then comes out of the middle of the air filter element to flow into the ventilation groove, so that the exhaled air is filtered; furthermore, the quantity of germs in exhaled air is greatly reduced, and the sanitary condition of the device in use is optimized.

The present invention discloses an adjustable resistance breathing trainer, comprising a housing, the top of which is provided with a first air inlet and outlet; a resistance movable upper cover, which is provided at the upper inner portion of the housing and can be raised and lowered along the housing; an exhaust port is provided on the side wall of the housing at a position corresponding to the exhaust chamber; a top seal is movably provided on the top of the resistance movable upper cover; a resistance movable lower cover is movably provided on the lower side of the resistance movable upper cover; an elastic member is provided between the resistance movable upper cover and the resistance movable lower cover; an inhalation resistance adjusting member is connected to the resistance movable lower cover via an external thread; the upper end of the resistance connecting member is connected to the top seal, and the lower end extends into the inhalation resistance adjusting member; an adjustable bottom cover is provided at the lower end of the housing; and an exhalation resistance adjusting member, the outer side of which is provided with an external thread and is engaged with the outer shell thread via the external thread. The present invention has a wide range of resistance coefficient adjustment levels and a controllable tolerance range, and is suitable for all training needs of different groups of people.

Systems, devices, and methods for determining a user's lung capacity may employ a sound-producing breathing device and a recording device such as a microphone included in a user electronic device (e.g., smart phone or tablet computer). A user may inhale or exhale through the sound-producing breathing device, thereby producing a sound that is received by the microphone and communicated to a processor. The processor may analyze the received sound recording to determine one or more sound intensity values over, for example, the duration of the received sound and / or points in time within the sound recording. The sound intensity values may then be used to determine the user's lung capacity.

A device of the present disclosure has an attachment section configured for attaching to a pressurized oxygen delivery system and covering vent holes on the pressurized oxygen delivery system configured for venting exhaled carbon dioxide (CO2). The device also has a tube fixedly coupled to the attachment section on a first end of the tube and a plurality of vent holes on a second end of the tube configured for eliminating the CO2.

The present invention relates to the field of medical device technology, and in particular to a home sleep apnea machine for monitoring sleep quality and a control method thereof, comprising: a nasal mask connected to an external ventilator body via an air inlet duct; when a gas flow sensor detects that a patient is in an exhalation state, an exhaust unit is started to continuously exhaust the gas in the nasal mask, so that the air pressure inside the nasal mask is rapidly reduced, thereby reducing the air resistance encountered by the patient when exhaling, which is beneficial for the patient to exhale; during the patient's exhalation process, when the detection unit detects that the pressure inside the nasal mask is lower than a set value, the control unit controls the exhaust unit to reduce the exhaust speed, so that the air pressure inside the nasal mask is stably maintained at a relatively low air pressure, which is convenient for the patient to exhale and can provide certain support to the patient's airway, thereby facilitating the patient's airway collapse due to excessively low air pressure.

The utility model discloses a household micro-pressure oxygen cabin air supply and exhaust path device which comprises a cabin body, an oxygen generator, a compressor, a console and a breathing mask, an air supply and exhaust assembly is arranged in the cabin body and comprises an inspiration collecting pipe, an expiration collecting pipe, a jet pipe and a one-way valve connector, and the inspiration collecting pipe is fixedly installed at the top of the inner wall of the cabin body; the expiration collecting pipe is fixedly installed at the bottom of the inner wall of the cabin body, a plurality of air holes are formed in one side of the inspiration collecting pipe and one side of the expiration collecting pipe, and the multiple one-way valve connector pieces are arranged. By means of the air supply and exhaust system, air in the cabin is discharged through the jet pipe, so that the expiration air collecting pipe is kept in a micro-negative-pressure state, carbon dioxide in the expiration air collecting pipe does not overflow into the cabin, the concentration of the carbon dioxide in the cabin is controlled to the maximum extent, and the risk that the concentration of the carbon dioxide is increased is avoided; the host capacity is controlled to the maximum extent under the condition of guaranteeing oxygen cabin requirements, so that the host capacity is more economical and reasonable.

The utility model relates to a battery explosion-proof box of an electric golf cart, which comprises a box body and a box cover capable of covering and locking on the box body, a pressure relief opening is arranged on the box body and / or the box cover, and a breathable flame-retardant layer is fixed in the pressure relief opening; the box body and the box cover are made of steel plates; the battery capacity of the electric golf trolley is 180-400 Wh. When the battery box is used, a battery can be arranged in the battery box, and when the battery is in thermal runaway, the pressure relief opening can discharge gas generated by the battery out of the battery box, so that explosion of the battery is limited in the battery box, explosives are prevented from being splashed out, and meanwhile, flame is isolated in the battery box by utilizing the breathable flame-retardant layer, so that the explosion of the battery is avoided. The fire hazard can be avoided, and the safety performance is improved.

The invention provides a multifunctional nose detecting and nursing device, and relates to the field of nasal cavity nursing equipment. The device comprises a shell, a first liquid bin, an air pump, a suction head and a gas detection assembly, the air pumping end of the air pump communicates with the interior of the first liquid bin through an air pumping pipeline and is used for pumping air in the first liquid bin to enable the first liquid bin to be in a negative pressure state; the suction head communicates with the gas inlet end of the gas detection assembly through a medium extraction pipeline, and the gas outlet end of the gas detection assembly communicates with the interior of the first liquid bin through a negative pressure gas channel. Due to the fact that the interior of the first liquid bin is in a negative pressure state, gas exhaled from the nose enters the gas detection assembly through the medium extraction pipeline to be detected and then enters the first liquid bin through the negative pressure gas channel, and the gas detection function is achieved. The functions of nasal cavity cleaning and nursing and nasal cavity expiration detection can be achieved at the same time through one device.

Embodiments of the disclosure include a breathing guidance method and a related apparatus. Some embodiments include obtaining sensor data. Some embodiments determine an action type of a user based on the sensor data. Some embodiments output a first prompt in response to determining that the action type of the user represents a first action type, where the first prompt is used to prompt the user to perform an inhalation action. Some embodiments output a second prompt in response to determining that the action type of the user represents a second action type, where the second prompt is used to prompt the user to perform an exhalation action, and is different from the second prompt.

The utility model discloses an atomizer for providing medicine mist based on respiration detection, and belongs to the field of medical atomizers. The atomizer comprises an atomization working assembly, a breathing mask, a breathing sensor, a control module and a switching valve, the breathing sensor comprises a detection tube, the detection tube is provided with two tube openings at different positions, one tube opening is connected with the breathing mask, the other tube opening is communicated with the atmosphere, and the two tube openings are respectively provided with an airflow detection element. The airflow direction in the detection tube is determined according to the sequence of airflow detected by the two airflow detection elements, whether a patient exhales or inhales is accurately detected, the detection of the breathing state is rapid and accurate, the influence of the humidity and temperature of breathing air is small, and the working stability is good; meanwhile, the control module is used for controlling whether the mist outlet of the atomization working assembly generates medicine mist or not according to the expiration or inspiration state, medicine mist generated by inspiration of the patient and medicine mist generated by stopping expiration of the patient are accurately achieved, medicine waste is reduced, and the atomization treatment effect is guaranteed.

An apparatus for detecting a biomarker comprises a droplet harvesting structure for converting breath vapor to a fluid droplet for forming a fluid sample and a testing system having a biomarker testing zone for receiving the fluid sample and detecting a biomarker. The droplet harvesting structure may include at least one of a hydrophobic field for receiving the breath vapor and forming the fluid droplet from the received breath vapor and hydrophilic channels for receiving the fluid droplet and channeling the fluid droplet towards the testing system. A fluid dam member may be provided disposed between the droplet harvesting structure and the biomarker testing zone.

The invention provides a respiration following atomization control system, which comprises a contact pin interface module, a flow signal interface module, an atomization sheet driving interface module, a flow signal interface module and an atomization sheet driving interface module, and is characterized in that the contact pin interface module at least comprises flow signal contact pins and atomization sheet driving contact pins; an analog-to-digital conversion port of the microcontroller is electrically connected with the flow signal contact pin through a signal acquisition circuit; the output end of the power driving module is electrically connected with the atomization sheet driving contact pin, and the control end of the power driving module is connected with the microcontroller; the power driving module comprises a voltage regulating unit, a BOOST circuit and an oscillating circuit which are electrically connected in sequence; wherein the microcontroller is configured to acquire a flow sensing signal through the signal acquisition circuit, and judge whether the breathing phase of a user is inspiration or expiration; when the inhalation phase is judged, the voltage regulating unit is controlled to output a first regulating voltage, and after the first regulating voltage is converted by the BOOST circuit and the oscillating circuit, an atomizing sheet connected to an atomizing sheet driving contact pin is driven to work; and when the expiration phase is judged, the voltage adjusting unit is controlled to stop outputting or output voltage lower than the first adjusting voltage.

The invention relates to the technical field of amphetamine drug detection, and particularly discloses a functional composite material, an expiration collection device assembled based on the functional composite material, a detection method and application. Wherein the functional composite material is formed by superposing and combining functional polypropylene cotton and a functional polypropylene film, the functional polypropylene cotton is obtained by modifying a polypropylene material with polydopamine and tetraethoxysilane, and the functional composite material can be assembled into the portable expiration collection device and is used for expiration collection. The invention also provides a detection method which comprises the following steps: enriching amphetamine drugs in exhaled air under the adsorption action of the functionalized composite material, then eluting the functionalized composite material, concentrating, carrying out constant volume filtration, and finally carrying out detection analysis by using high performance liquid chromatography-tandem triple quadrupole mass spectrometry. The method can be used for accurately and quickly screening the drug addicts, and is also suitable for screening the drug addicts with low drug intake and low drug concentration in expiration to pg level after long-time metabolism.

The utility model belongs to the field of protective accessories, and provides a breathing heat exchanger which comprises a frame. The multi-layer metal net is formed by pressing a plurality of layers of metal nets and is mounted in the frame, and the net edge of the multi-layer metal net is completely wrapped by the frame; the porous waterproof sheet is arranged in the frame and is arranged on the multi-layer metal net; the absorbent paper is arranged in a groove below the frame; heat and moisture of humid and hot air exhaled by people during exhaling are stored through the breathing heat exchanger, cold air is heated during inspiration, the temperature and humidity of the inhaled cold air are changed, the problem of how to keep out the cold in the breathing process of people is solved, in the cold environment, people inhale warm and humid air, and the breathing effect of people is improved. The limitation of a cold environment on free actions of human beings is eliminated.

The utility model relates to a gas collecting device for an expiration test, which effectively solves the problems that the existing expiration collecting device is inconvenient to remove interference gas, and is inconvenient to classify, collect and store gas exhaled by a detector in different time periods, so that the accuracy of an expiration test result is influenced. According to the expiration test gas collection device, cavity gas in a cavity of a detector can enter the gas circulation structure at the first time and is stored in the interference gas collection structure, so that the cavity gas is removed, and alveolar gas exhaled by the detector subsequently flows through the rotating structure and enters one gas storage bag in the gas storage structure; a filtering block in the rotating structure filters out part of non-target gas, so that the accuracy of a detection result is improved; the gas storage structure and the rotating structure can be convenient for a detector to store exhaled gas into different gas storage bags in different time periods, so that exhaled gas samples in different time periods can be stored in batches, and the accuracy of exhaled gas detection results is further improved.

The present invention relates to an exhalation sensor, a gas sensor, and an exhalation detection method. It is preferable to correct the influence of disturbances in a measurement. An exhalation sensor for detecting exhalation generated by respiration, the exhalation sensor being provided with: a light-emitting unit for irradiating light toward a path through which the exhalation passes; a first light-receiving unit that receives at least a portion of the light emitted by the light-emitting unit and outputs a first light-receiving signal corresponding to a light-receiving result; and a calculation unit that calculates a baseline for a waveform on the basis of a frequency component lower than a set first cut-off frequency of the first light reception signal, and detects expiration on the basis of a signal obtained by removing the baseline from the first light reception signal, said calculation unit calculating the first light reception signal.

The invention provides a breathing guide interaction method and equipment. The method comprises the following steps: acquiring a breathing waveform signal of a target object; determining a rhythm stability index and an amplitude mutation detection index of the target object in each respiratory cycle based on the respiratory waveform signal; in response to the condition that the duration of the rhythm stability index and the amplitude mutation detection index meeting the corresponding stability conditions is greater than or equal to a first preset duration, sending prompt information representing the start of respiratory guidance; an inspiration demonstration action is displayed through the interactive interface, an inspiration prompt instruction is sent, and the curve slope in the inspiration waveform signal is detected; in response to the fact that the time when the curve slope is smaller than a first preset threshold exceeds a second preset duration, displaying an expiration demonstration action through the interactive interface and sending an expiration prompt instruction; and in response to the fact that the time when the curve slope is smaller than a second preset threshold exceeds a third preset duration or the expiration stage duration exceeds a fourth preset duration, sending an expiration termination instruction.

The invention discloses an electric turbine anaesthesia machine with an automatic air supply function of an air storage bag and a method, and the anaesthesia machine comprises a turbine which is used as an active inspiration air source; a detachable air storage bag; an air supply one-way valve; the breathing circuit is connected between the turbine outlet and the patient end and comprises an inspiration branch provided with a flow diaphragm, an expiration branch provided with an expiration EV valve and an expiration flow diaphragm, and a patient breathing circuit tank assembly containing the air storage bag and the soda lime tank; a plurality of sensors; the control unit is electrically connected with and controls the turbine and the expiration EV valve, receives signals of the sensor and is used for achieving different breathing ventilation modes. According to the anesthesia machine and method, turbine driving is adopted, the tidal volume adjusting range is wide, and physical limitation of a folding bag is avoided; the air storage bag is externally arranged and replaceable, so that cleaning and maintenance are facilitated; a one-way valve automatic gas supply mechanism ensures continuous and stable gas supply; the device supports various breathing modes, and is suitable for various scenes such as anesthesia maintenance, postoperative awakening, oxygen therapy and the like.

The application discloses a kind of breathing valve online verification method, device and storage medium, and verification method includes: obtaining the first information of to-be-tested breathing valve, first information includes: ambient temperature, valve initial temperature, valve real-time temperature, target temperature, reference temperature, standard exhalation opening pressure and standard inhalation opening pressure;According to ambient temperature, valve initial temperature and target temperature, valve real-time temperature is adjusted to target temperature;Pressure verification test is carried out to to-be-tested breathing valve, and second information is obtained, second information includes measured exhalation opening pressure and measured inhalation opening pressure;According to first information and second information, qualified determination is carried out, and verification result is output.The application discloses breathing valve online verification method, device and storage medium, by obtaining valve temperature information, actively adjusting valve temperature to target temperature, executing pressure verification and carrying out qualified determination, fundamentally avoid the interference of ambient temperature to breathing valve, improve the accuracy and reliability of online inspection.