394 results about "Breath out" patented technology

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.

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 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.

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.

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.

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.

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 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 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.

The invention relates to the technical field of micro-grid atomizers, and discloses a breath triggering micro-grid atomizer based on a thermocouple sensor, which comprises a second port and a third port of a three-way pipe, the breathing sensing module is provided with a differential sensing array on a flexible circuit board, and a sensing unit at least comprises a thermocouple sensor; the atomization module integrates an impedance measurement circuit and a driving circuit on a flexible circuit board, and a micro-grid transducer is multiplexed to sense the self state; the controller carries out weighted fusion on sensing unit signals in the differential sensing array and predicts the inspiration starting moment, a pre-triggering instruction is sent out at the expiration end stage to drive the energy converter to pre-charge atomized liquid medicine at low power, impedance characteristics are synchronously collected to obtain the micro-grid efficiency value, the inspiration phase carries out compensation and correction on driving power according to the real-time flow proportion and the efficiency value, and the micro-grid efficiency value is adjusted according to the real-time flow proportion and the efficiency value. And applying a reverse pulse to the expiratory phase to clean the micro-grid and recording the effect to predict the subsequent cleaning opportunity. Closed-loop control of respiratory phase prediction triggering, staged scheduling and efficiency self-calibration is achieved.

The technology described herein relates to methods and systems of detecting surrogate circumvention events based on a data-driven process. Common methods of circumvention include having a sober individual provide the breath sample or using various mechanical or electronic devices to mimic human breath (“surrogate samples”). In other instances, the assigned offender may drive a different vehicle (“surrogate vehicle”) other than the vehicle with the installed interlock device. The technology described herein records data events associated with breath tests to determine whether a surrogate circumvention event has likely occurred. The data events may include time-series sensor measurements from the BAIID and / or patterns of passed, failed, and skipped breath tests to predict the occurrence of the surrogate circumvention events.

The application discloses a self-adjusting breathing training device, which comprises a gas control valve sleeve, the gas control valve sleeve comprises an inclined side wall, the gas control valve sleeve comprises a breathing interface and an atmosphere interface, a movable valve plug is arranged between the breathing interface and the atmosphere interface, and a gas path channel is formed between the edge of the movable valve plug and the inclined side wall. The application can accurately quantitatively control the size of impedance, so that the load of a patient in a training process is within a controllable range, the analysis and adjustment of a training plan of the patient are facilitated, the gas path channel can be adjusted and adapted according to the training intensity of the patient to obtain different impedance, the inspiratory muscle can be trained, and the expiratory muscle and the inspiratory muscle can be simultaneously trained in one breathing cycle.

This invention provides an atomizing gas recovery device and an atomizing device, including a housing and a filter membrane within the housing. The housing includes a rear shell and a front shell. The front shell includes a front cover and an inhalation component. The front cover has a front shell positioning port, and the rear shell has an outlet and a rear shell mounting positioning port. The filter membrane is an annular sheet. The inhalation component passes through the front shell positioning port, the filter membrane, and the rear shell mounting positioning port. The inhalation component has an exhalation port and an exhalation one-way valve in its middle section, located inside the housing. The inlet at one end of the inhalation component's tube connects to the outlet of the atomizing device. The filter membrane is fitted onto the inhalation component between the exhalation port and the inlet, allowing exhaled gas to exit through the exhalation port, push open the exhalation one-way valve, pass through the filter membrane, and overflow from the outlet on the rear shell. The outlet of the atomizing device is connected to the inlet of the inhalation component. The design is reasonable, simple, and compact, with high aerosol transmission efficiency, facilitating the recovery of exhaled gas, and is easy to operate.

The invention relates to the field of biomedicine, and discloses an expiration marker combination for diagnosing oral squamous cell carcinoma as well as application and a screening method of the expiration marker combination. Wherein the expiration marker combination comprises 29 oral expiration markers, a scoring model is constructed through the relative content of VOC signals of the expiration markers, the scoring model can be used for evaluating the oral squamous cell carcinoma risk of a patient, and the invention further discloses a screening method of the expiration marker combination. According to the screening method, a multi-algorithm feature union set strategy is adopted, the algorithm advantages of UTest, Boruta, LGBM, RF and the like are integrated, the limitation of a single algorithm is overcome, and the OSCC related expiration markers are recognized to the maximum extent. The core marker screening basis is clear, the PTR-TOF-MS detection process is standard, an interpretable verification mechanism is constructed, clinical popularization is facilitated, invasive biopsy dependence is reduced, diagnosis efficiency and patient compliance are improved, and important clinical and social values are achieved.

The application discloses a Helicobacter pylori breath test signal denoising fitting method and system, and belongs to the technical field of medical detection and signal processing. The method processes the continuous monitoring signal of the 13CO2 / 12CO2 isotope ratio in exhalation: firstly, the original signal is subjected to band-pass digital filtering to suppress high-frequency noise; then, low-frequency drift is eliminated through adaptive baseline correction to generate a drift-removed signal; subsequently, a robust peak value recognition algorithm is used to extract physiological response characteristics; finally, the identified peak value is taken as the center, a nonlinear function with physiological constraints is used for local fitting, and the Delta Over Baseline value is calculated based on the generated fitting curve with high precision. The application effectively solves the signal distortion problem caused by breathing fluctuations, instrument noise and the like in in vivo detection, realizes high-fidelity restoration of the Helicobacter pylori metabolic response, and significantly improves the detection accuracy and reliability of the breath test.

The invention relates to the technical field of emergency rescue equipment, in particular to a compressed oxygen self-rescuer with a hand-free wearing function, which comprises a protective shell, an oxygen bottle, a switch hand wheel, an air storage bag, an extension soft bag, an air distribution layer, an absorption tank, an exhalation pipe and a split plate, by prolonging the closed space jointly formed by the soft bag and the air storage bag, it is ensured that the finally formed closed space can still be rapidly filled with oxygen-enriched air output by the low-pressure air supply end of the oxygen bottle, the situation that the inflation time is prolonged due to the too large volume can be avoided, and the situation that breathing resistance is increased due to the too small volume can also be prevented; according to the utility model, the soft material is prevented from collapsing and twisting due to insufficient inflation, the airflow channel is ensured to be always unblocked, and a user can feel obvious airflow support when inhaling the first breath, so that the panic emotion is effectively relieved.

The utility model discloses an aviation oxygen supply mask body matched with a composite valve, which belongs to the technical field of masks and comprises a mask, the mask comprises a mask body, a sound transmission hole and a breathing hole, the sound transmission hole is arranged on the front end face of the mask body, the breathing hole is arranged on the lower side of the front end of the mask body, and the composite valve is arranged on the mask body. The first protective cover is fixedly installed on the lower side of the front end of the breathing hole and arranged at the breathing hole. By means of the mode, an expiration device and an inspiration device of a wearer are integrated, so that maintenance is facilitated.

Systems or apparatus may be configured with method(s) for hyperarousal disorder such as for determining settings that control respiratory therapy for slowing a patient's breathing. They may be configured to determine an interim target breathing rate less than a current spontaneous rate. They may be configured to derive target inspiratory time and expiratory times based on the interim target breathing rate. They may be configured to compute, with first function(s), a parameter set for generating a variable treatment pressure waveform based on target inspiratory / expiratory times. They may be configured to determine pressure settings by generating the waveform with the computed parameter set and second function(s). They may be configured to reduce the interim target breathing rate in response to a subsequent spontaneous breathing rate slowing down toward the interim target rate. They may be configured to generate feedback such as graphics / sound to provide information to promote slowing of breathing.

The utility model provides a circulating air supply type breathing device which comprises a main body of a closed structure, and the main body comprises an inspiration chamber, a carbon dioxide adsorber and an expiration chamber which are sequentially communicated with one another; an inspiration air bag capable of stretching out and drawing back in the axial direction of the inspiration cavity is arranged in the inspiration cavity, and an expiration air bag capable of stretching out and drawing back in the axial direction of the expiration cavity is arranged in the expiration cavity. The breathing mask is respectively communicated with the inspiration air bag and the expiration air bag through an inspiration pipeline and a breathing pipeline; the air supply port is communicated with the air suction air bag; and the one-way valves are arranged in the inspiration pipeline, the expiration pipeline, the bottom of the inspiration air bag, the bottom of the expiration air bag, the expiration cavity, the air supply port and between the carbon dioxide adsorber and the inspiration cavity. The breathing mask is simple in structure, low in cost and capable of recycling exhaled air and improving comfort and safety of operators.

This utility model relates to a manometer for a provocation test, comprising: a main unit having a display screen; a pressure measuring head electrically connected to the main unit; and a mouthpiece detachably and sealed to the pressure measuring head, enabling the pressure measuring head to detect and display the pressure of the gas exhaled through the mouthpiece during the provocation test on the display screen. The mouthpiece contains a breathable membrane. This utility model has a simple structure, is easy to use, and can display the expiratory pressure during a Valsalva maneuver provocation test in real time.

The utility model discloses an adjustable breathing dumbbell, including training ware body, being equipped with tubular cavity in training ware body, the tubular cavity is slidably connected with counterweight, and one end of tubular cavity is equipped with air inlet hole, and the air inlet hole is connected with expiration pipe, adjustment assembly, adjustment assembly includes the sealing seat and the adjusting cap of rotation connection, and the sealing seat is fixed in the other end of tubular cavity, and the sealing seat is equipped with air outlet hole, and the adjusting cap is equipped with adjusting hole, and in the process of adjusting cap rotation, adjusting hole and air outlet hole partly or all communicate. When the product is used, the user can change the communication aperture of air outlet hole and adjusting hole by rotating adjusting cap, thereby adjusting the outflow resistance of air in tubular cavity, need not increase or reduce counterweight, can adjust the blowing resistance of the product, and use is more convenient.

The utility model discloses a medical nasal cavity filtering plug which comprises a first shell, a second shell and a connecting mechanism for connecting the first shell with the second shell, and a first limiting check block, a second limiting check block and filtering cotton are arranged in each shell. The first limiting stop block is arranged in the center of the bottom of the shell and comprises a column structure connected with the bottom of the shell and a cap structure arranged on the top of the column structure. The second limiting stop block is arranged on the inner wall of the shell; an air flow channel is formed in the bottom of the shell, and the filter cotton covers the air flow channel; gaps are reserved between the upper surface of the filter cotton and the first limiting stop block and between the upper surface of the filter cotton and the second limiting stop block. Due to the structural design inside the shell, impedance of the filter cotton cannot be increased during inhalation, the filter cotton and the shell can be separated and opened during exhalation, impedance is reduced, breathing comfort is improved, and pollen, dust, soft flocks, PM2.5, second-hand smoke, formaldehyde, tail gas and other particles in air can be effectively filtered out.

Device for breathing training with individual resistance adjustment by means of a movable adjustment ring with a teardrop-shaped opening at the mouthpiece and a closure cap, characterized in that the movable adjustment ring (5) with teardrop-shaped opening (6) at the mouthpiece (2) enables an individual adjustment of the exhalation resistance at the air outlet opening (4) and the closure cap (7) enables safe and clean storage of the breathing trainer (1).

The invention discloses a positive pressure type air respirator full face mask with a dual-mode connector, and relates to the field of respiratory protection equipment, the positive pressure type air respirator full face mask comprises a full face mask main body and an air supply connector seat communicated with the full face mask main body, and the full face mask main body is further communicated with a chemical oxygen connector seat; the full face mask body is provided with a connecting mechanism used for being connected with a chemical oxygen self-rescuer, a lever support is fixed in the chemical oxygen connector seat, a sealing assembly used for sealing an expiration opening of the chemical oxygen connector seat is arranged on the lever support, and a stirring mechanism used for driving the sealing assembly to move is arranged in the chemical oxygen connector seat. The double-mode connector function is achieved, the double-mode connector can be conveniently connected with and detached from the chemical oxygen self-rescuer, the technical effect that the expiration opening is effectively sealed and opened is guaranteed, and the reliability and practicability of respiratory protection are improved.

The application discloses a breath metabolomics disease knowledge graph construction method and device, and the method comprises the following steps: acquiring a disease gas data set; preprocessing the disease gas data set to obtain a disease gas pretreatment data set; processing the disease gas pretreatment data set to obtain a breath metabolomics disease knowledge graph. The application significantly improves the recognition accuracy of diseases and gas entities and their relationships, makes the correlation between breath VOCs and diseases more intuitively present, realizes efficient organization and management of data, and promotes in-depth development of breath VOCs and disease research.

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.

Described herein are a system and a method for automatically guiding and evaluating a user's performance during structured breathing exercise sessions. The system retrieves predetermined breathing patterns, including sequences of inhales, exhales, and breath-holds across one or more rounds. Each round includes at least two stages: a breath-hold stage and a first full breath stage immediately following the breath-hold. The system provides real-time guidance through sensory cues, receives user-initiated or automatic signals marking stage transitions, records the duration of each stage, and determines ideal or target durations. A longer first full breath duration indicates improved breath-hold performance and reduced stress. The system generates a final score for each round by combining breath-hold and first full breath durations, reflecting performance, relaxation, lung function, tolerance metrics, and the like. Aggregate session scores are computed across rounds, offering insights into exercise suitability, session effectiveness, and physiological adaptation over time.