277 results about "Vital capacity" patented technology

An inhaler use monitoring system includes a tracker module adaptable to be secured to a variety of inhalers and having an activation sensor for sensing use of the inhaler, an internal memory for storing inhaler data, and a communications component for forwarding the stored usage data to a processor for analyzing the data. The system then provides the user with incentives, e.g., redeemable award points, for usage of the inhaler in a desired manner. The tracking module can accommodate both controller and rescue inhalers. Optionally, the system may also collect lung function data, e.g., from a spirometer, and can then process all of controller inhaler data, rescue inhaler data and lung function data, to generate alerts and other messages e.g., redeemable award points

A non-contact mechanism for encouraging and facilitating incentive spirometry, ensuring that it is performed adequately, in a timely manner, and for a sufficient duration is discussed. The embodiments also quantitatively and qualitatively keep a record of the incentive spirometry activity, including recording the performance in an electronic medical record. A non-contact monitoring system is used to generate a breathing waveform for a subject that may be compared to target waveforms. Visual and non-visual cues may then be provided to the subject to help guide the subject towards the desired breathing pattern.

A portable, handheld device for measuring lung- and airway-specific respiratory parameters. The device defines a chamber in fluid communication with a mouthpiece. A sensor and / or a flow sensor monitor pressure and / or airflow within the device. A respiratory gas source, e.g., an internal pump, or an external compressor, is also in fluid communication with the chamber and a mouthpiece. The device operates in an active phase and a passive phase. In the active phase, a subject forcibly exhales into the device and the sensors collect spirometric data. In the passive phase, the pump is activated to pump air from the device and inflate the subject's lungs to a specific capacity. The sensors monitor pressure and / or flow as the air is introduced into the subject's respiratory system. The data collected by the sensor is used to determine lung and airway specific parameters, including but not limited to, airway conductance, airway resistance, airway compliance and total lung capacity.

The invention provides a method for obtaining and evaluating spirographic and gas exchange data, comprising measuring a concentration of a breathing gas gc(Vx) for a plurality of volumes Vx of breathing gas mix, wherein the measuring is performed on inhaled breathing gas mix, further comprising determining an apparatus dead space ApDS, of breathing gas mix in the apparatus not taking part in gas exchange, by evaluating the measured concentrations gc(Vx) as a function of the volume V of the inhaled breathing gas mix. The use of inhaled breathing gas mix allows to determine the apparatus dead space, which is an important parameter when evaluating ventilation efficiency and the like. Furthermore, the invention provides a method in which inhalation and exhalation parts of a spirogram are synchronised, by matching features thereof, in order to further improve the accuracy of gas exchange volumes and derived data. Finally, the invention provides a spirographic device and a patient ventilation apparatus, incorporating the present method.

Methods and systems for patient participatory care and monitoring are provided for applications including respiratory care, ECG monitoring, capnography, infusion pump alarm prevention / management, pressure sore prevention, incentive spirometry, consciousness monitoring during sedation, pain management and other care and monitoring modalities. A patient in-the-loop system includes an input interface for receiving data acquired from a monitoring, controlling or sensing device, a storage device for storing the data at a first location, and a processor for analyzing artifacts in the data and determining whether the patient provided a deliberate action with respect to the device as a response to a prompt or query. The processor can further initiate a variety of prompts and / or output queries stored in the storage device at a second location to the patient. The data derived from these patient-in-the-loop techniques are formatted to be received and interpreted by electronic medical record and electronic record keeping systems.

An electronic cigarette with a lung capacity detection function and a control method. The electronic cigarette comprises a control module (10) used for controlling the electronic cigarette to atomize cigarette liquid, a flow sensor (20) used for detecting an air flow volume exhaled or inhaled by a user and generating a flow signal, and a prompting module (30) used for generating prompting information. The flow sensor (20) and the prompting module (30) are respectively connected to the control module (10). The control module (10) is also used for controlling, according to the flow signal, the prompting module (30) to generate prompting information. The electronic cigarette has effects of prompting the user so as to protect health of the user and making functions of a production diversified.

The invention relates to a comprehensive feedback type pulmonary rehabilitation assessment treatment instrument. The instrument comprises a central processor (100), a UART (universal asynchronous receiver / transmitter), a switching power supply (102), a thoracoabdominal breathing movement sensor (103), a vital capacity sensor (104), a blood oxygen saturation degree sensor (105), a surface myoelectricity sensor (106), a heart rate sensor (107), an inspiratory muscle force sensor (108), a signal generation module (116), a signal amplification module (113), an abdominal muscle stimulation electrode (109), a phrenic nerve stimulation electrode (110), a voice playing module (111), a WIFI (wireless fidelity) transceiving module (112), an ultrasonic positioning module (114), an oxygen consumption detection module (115), a man-machine interaction module (117) and a data storage module (118). The sensors of the instrument are used for monitoring various indexes including breathing, circulation, myoelectricity and the like respectively; the sensors are independently or unitedly used for various feedback treatment and also sequential low-frequency current stimulation on phrenic nerves on the neck and abdominal muscles, and a patient is trained to master correct and effective breathing movement. Various data are displayed and processed synchronously in real time, so that man-machine interaction is more convenient and more efficient.

An system for monitoring alcohol in the breath of a test client confirms the identity of the test client based on spirometric data. The system includes a sample chamber receiving a breath sample, an alcohol sensor measuring the alcohol content of the breath sample, and a spirometric sensor generating spirometric data from the breath sample over the test clients entire exhalatory phase. A processor analyzes the spirometric data with stored client characterization data for a known client to confirm the identity of the test client. The client characterization data can be a probability density in a phase space in which at least two spirometric variables (e.g., flow and volume time-series data) are correlated.

The invention discloses an intelligent massage chair which is provided with a seat, a massage mechanism and a control unit, wherein various massage modes are formed by the massage mechanism. The intelligent massage chair is characterized in that a cardiotachometer, a sphygmomanometer and a spirometer are arranged on the seat, a preset database with the combination of the data of the heart rate, the blood pressure and the vital capacity is formed in the control unit, each group of data in the database is correspondingly matched with the massage modes, and the corresponding groups of data in the database are automatically matched by the control unit according to the measured heart rate, the measured blood pressure and the measured vital capacity so as to select the corresponding massage modes. According to the massage chair disclosed by the invention, the proper massage modes are automatically selected according to the constitutions of patients, so that the massage chair has a proper treatment effect to users.

The invention belongs to the field of biomedical engineering, and relates to a method for synchronously monitoring the concentration of carbon dioxide and breath flow amount in a main flow mode. The method comprises the steps that a sensor is made to output modulation light source signals with a fixed cycle by controlling flashing of a light source; a measurement channel voltage of an infrared sensor, a reference channel voltage of the infrared sensor and the voltage of a differential pressure sensor are obtained; for monitoring of breathed carbon dioxide, a measurement channel alternating component and a reference channel alternating component are extracted respectively according to the difference between the peak value and the valley value of the two channel collecting voltages of the infrared sensor; the concentration of the currently breathed carbon dioxide is calculated; the current breath flow amount is determined; the starting point of a breath cycle is determined; the current breath frequency value is calculated; whether the process is an exhale process or an inhale process is determined; the lung capacity value and the vital capacity are calculated. The method can accurately and reliably achieve synchronous monitoring of the concentration of the breathed carbon dioxide and breath pressure.

Determining functional residual lung capacity (FRC) by changing a subject's inspirium FiO2 by a predetermined amount, and a) for each breath in a series of breaths subsequent to changing the FiO2, determining expiratory tidal volume, determining expiratory fractional N2 tidal volume, multiplying the expiratory tidal volume by an absolute difference between the expiratory fractional N2 tidal volume of the breath and that of an immediately preceding breath for a first multiplication result, dividing the first multiplication result by the sum of the differences for a first division result, and multiplying the fractional N2 tidal volume by the sum of the first division results of the breaths for a second multiplication result, and b) dividing the sum of the second multiplication results of the breaths by the absolute difference between the fractional N2 tidal volume of the first and last breaths to produce a measurement of the subject's FRC.

A system for measuring spirometric flow rate using a microphone and a mobile computer device connected to or integrated with the microphone. The mobile computer device may include a processor and storage. The storage may be operatively connectible, e.g over a network, to a computer system used by a practitioner. The system has a transducer adapted for converting spirometric flow rate into an audible signal with an audio frequency characteristic of the spirometric flow rate. The microphone is external to the transducer and may be adapted to detect the audible signal having an audio frequency and to convert the audible signal to a corresponding electrical signal having the audio frequency. The audio frequency may be characteristic of a peak expiratory flow rate and the output result is characteristic of the peak expiratory flow rate.

An abdominal respiration training device comprises an inflatable abdominal belt, a breathing nose mask, an air pump, an air inlet valve, an air outlet valve and a host circuit. An air cushion is arranged in the inflatable abdominal belt and connected with the air inlet valve and the air outlet valve through an air conduction tube; the air inlet valve is connected with the air pump; the breathing nose mask is connected with an expiratory tube and an inspiratory tube; an expiratory sensing device and an inspiratory sensing device are arranged on the expiratory tube and the inspiratory tube respectively and feed detection signals back to the host circuit; and the host circuit opens and closes the air inlet valve and the air outlet valve according to the detection signals fed back by the expiratory sensing device and the inspiratory sensing device, and air inflation and air discharge of the air cushion can be switched through respiration are achieved. The abdominal respiration training device can help people perform abdominal respiration training, correct error respiration modes, and develop correct respiration modes; and plays an important role in increase of vital capacity and oxygen delivery capacity, improvement of a cardio-pulmonary function, removal of abdominal waste, improvement of abdominal blood circulation and prolonging of lives.

The invention discloses an exercise guiding method comprising: acquiring personal information of a user, wherein the personal information includes at least body fat percentage information, vital capacity information or age information; and determining, according to the personal information, a physical big data analysis model matching the current physical condition of the user; determining a big data exercise plan model matching the physical big data analysis model; generating individual exercise guidance information of the user based on the big data exercise plan model in order that the user takes exercise based on the individual exercise guidance information, wherein the exercise guidance information includes at least the personal physical analysis information, the individual recipe information, and the individual exercise plan recommendation information of the user. The invention also discloses an exercise guiding device and a computer readable storage medium. The method can enable the user to understand his / her current physical condition, to execute an exercise plan and a recipe matching his / her physical condition, and to obtain a better exercise effect.

An apparatus used in the medical industry, in order to increase transpulmonary pressure and respiratory volumes, to improve inspiratory muscle performance and re-establish the normal pulmonary hyperinflation, through the employment of electronic technology, providing audible, simulated, verbal, human sounding words, that assist, guide and prompt, increasing patient usage. In one embodiment, the Incentive Spirometer uses a capacitive sensing circuit for sensing movement of the float within the tube wall and for obtaining a measurement or reading of the patient's performance with the Incentive Spirometer. A tilt switch can also be included to prevent a patient from turning the Incentive Spirometer upside down.

The invention provides an electronic cigarette with a vital capacity detecting function and a control method. The electronic cigarette with the vital capacity detecting function comprises a control module, a flow sensor and a prompt module, wherein the control module is used for controlling atomized cigarette liquid of the electronic cigarette; the flow sensor is used for detecting exhaled or inhaled air flow of a user and generating flow signals; the prompt module is used for generating prompt information; the flow sensor and the prompt module are respectively connected with the control module; and the control module is also used for controlling the prompt module to generate prompt information according to the flow signals. The electronic cigarette can remind the user so as to guarantee health of the user, and functions of the product are diversified.

An incentive spirometry device designed to assist patients with respiratory therapy by means of an electronic air flow sensor that provides patients with visual or other positive feedback when they inhale or exhale at a predetermined flow rate or volume and sustain the act for a predetermined minimum time period. The objectives are to increase transpulmonary pressure and inspiratory volumes, improve inspiratory muscle performance, and re-establish or simulate the normal pattern of pulmonary hyperinflation. When the procedure is repeated on a regular basis, airway patency may be maintained and lung atelectasis prevented and reversed. By means of a connection to a personal computer, a video game like therapy session could enable patients to have a more effective and enjoyable session.

The invention discloses a lung capacity test system based on a microphone of a mobile phone. The system comprises a microphone, a first bias circuit and a second bias circuit and a central processor. An anode of the microphone is connected with a first bias voltage power supply terminal by the first bias circuit; and a cathode of the microphone is connected with a second bias voltage power supply terminal by the second bias circuit. The anode of the microphone is connected with an ADC_MICP port of the central processor; and the cathode of the microphone is connected with an ADC_MICN port of the central processor. When testing is carried out, it is only needed for a tested person to blow at the microphone; and then the central processor can carry out analog-to-digital conversion on an analog signal received by the microphone; the volume of gas blown by the test person can be measured according to the analog signal as well as the lung capacity of the tested person is calculated; and moreover, a signal waveform chart of the lung capacity can be dynamically displayed in real time. In addition, according to the invention, scoring can be carried out on the measured lung capacity; and corresponded health prompting information is output according to the scoring result.

The invention provides a breathing training device. The breathing training device comprises an inspiration training assembly, an expiration training assembly, a gas drainage assembly and a breathing terminal, wherein an inspiration floating part and an expiration floating part are respectively provided with an inspiration ventilation pipe and an expiration ventilation pipe which run through the inspiration floating part and the expiration floating part; an inspiration indicating float and an expiration indicating float are also arranged inside the inspiration ventilation pipe and the expiration ventilation pipe. The breathing training device not only enables inspiration training and expiration training to be synchronously carried out in the healthy breathing environment and improves vital capacity, but also has a function of indicating the recovery condition of the vital capacity.

The invention discloses a respirator simulation lung device for emergency nursing. The respirator simulation lung device is composed of a body, an upper substrate, a bottom substrate, a simulation lung cavity, a scavenging port, a flow sensor, a humidity sensor, a throttle control valve, an atomizing spray head, a DC servo motor, a cam, a belt, a connecting rod, a controller and a capacitive liquid crystal control screen, wherein the capacitive liquid crystal control screen is used for setting respiratory physiological parameters such as inspiratory / expiratory ratio, respiratory frequency, tidal volume and vital capacity by use of inputting of a doctor; the flow sensor is used for detecting the air flow passing through the scavenging port of the simulation lung cavity; the humidity sensor is used for detecting the humidity inside the simulation lung cavity; the controller is triggered to control the throttle control valve, the atomizing spray head and the DC servo motor to move according to the set respiration parameters, the detected flow signal and the humidity signal, thereby the air flow and the humidity. The respirator simulation lung device for emergency nursing well conforms to the human pulmonary respiration physiology, is simple in structure and high in practicability, and has an extremely high application value in occasions such as scientific experimental research, respiration physiology teaching and respiration related product inspection.

The invention belongs to the field of study on respiratory physiology and discloses a device and control method for simulating the spontaneous respiratory movement of the human lung. The device comprises a simulated lung cavity, springs, a pull rope, a flow sensor, a touch display screen, a motor driver, a direct-current servo motor and a control circuit. The respiratory physiological parameters including the inspiration and expiration ratio, the respiratory rate, the tidal volume and the vital capacity are input through the touch display screen; the flow of air passing by the air change port of the simulated lung cavity is detected by the flow sensor; a motor control signal is triggered by a microcontroller according to the set respiratory parameters and the detected flow signal; further the reeling and the unreeling of the pull rope are controlled by the motor; and finally the respiratory movement of the simulated lung cavity is controlled. The device disclosed by the invention is more in line with the respiratory physiology of the human lung and has extremely high application values in the aspects of scientific research, teaching and respiratory-related product testing.

The invention discloses a Chinese medicine compound for preventing and curing lung diseases and clearing human body toxin and a preparation method thereof; the medicine compound of the invention mainly comprises the following raw materials: skullcap, basil, radish seed, mint, radix peucedani, citrus aurantium, rhizoma atractylodis, schizonepeta, honeysuckle, notopterygium, bupleurum, pueraria, chrysanthemum, trichosanthes root, forsythia, dandelion, dyers woad leaf, radix isatidis, radix saposhnikoviae, root of herbaceous peony and cassia twig. The medicine compound of the invention can be prepared into any one commonly used oral preparation through a conventional Chinese medicine preparation method. The invention can significantly improve lung functions, improve the vital capacity, promote the blood circulation, clean the toxin in the body, has definite curative effect, and in addition, has the advantages of toxic and side effect, low price and the like.

The portable salt-therapeutic apparatus includes one casing with air inlet and air outlet, one filtering system and one sucking system inside the casing. The filtering system includes two rock salt filtering pore plates and inside rock salt; and the sucking system includes one chamber and one non-return valve set in the exhaust hole in the casing. The sucking system may also includes one separating plate with connecting holes for the air inlet to communicate with the casing chamber. The salt-therapeutic apparatus may also include one polarizing system between the filtering system and the sucking system and including one guide channel with two oppositely set magnets to form one negative magnetic field. The portable salt-therapeutic apparatus has convenient use, aerosol concentration capable of being adjusted automatically based on vital capacity, increased aerosol negative charge amount, and obvious medical health effect.

An abdominal respiration training aid comprises an inflatable abdominal belt, a nose cover, a respiration pipeline, an air pump, an extension-type air bag and a main machine circuit, wherein the extension-type air bag is connected with an air cushion in the inflatable abdominal belt through a first way air guide pipeline and a second way air guide pipeline, the air cushion in the inflatable abdominal belt is connected with the air pump through a third way air guide pipeline, at least the first way air guide pipeline and the second way air guide pipeline are provided with valves, the nose cover is connected with the respiration pipeline, the respiration pipeline is connected with a sensor, the sensor is used for detecting respiration frequency, the main machine circuit opens or closes the valves according to detection signals fed back by the sensor, and the air cushion in the inflatable abdominal belt can exhaust air into the extension-type air bag according to respiration rhythms, or the air cushion in the inflatable abdominal belt can store air from the extension-type air bag. The abdominal respiration training aid can help people to carry out abdominal respiration training and to develop an accurate respiration mode, and plays significant roles in increasing vital capacity, oxygen delivery capacity and a cardio-pulmonary function, discharging abdominal waste, improving abdominal blood circulation, and prolonging the life.

Systems and methods for monitoring incentive spirometry are disclosed. A patient measuring unit measures inhalation and / or exhalation flow and / or volume. The patient is instructed to follow a prescribed program of repeated inhalations and / or exhalations using the patient measuring unit. Feedback is provided to the patient to facilitate compliance with the prescribed program. All usage of the patient measuring unit is recorded and displays are provided for both the patient and an attending clinician. Prescribed performance targets are programmed, and alarms are set to indicate when prescribed targets are not met. Alarms can be set for minimum and maximum flow rates, minimum inhalation volume, minimum repeat count per set, maximum interval between sets, and maximum performance degradation compared to a recent average.

An apparatus used in the medical industry, in order to increase transpulmonary pressure and respiratory volumes, to improve inspiratory muscle performance and re-establish the normal pulmonary hyperinflation, through the employment of electronic technology, providing audible, simulated, verbal, human sounding words, that assist, guide and prompt, increasing patient usage. In the past, lack of usage of this simple plastic, antiquated, disposable unit, by the patient, has contributed to severe problems, such as pneumonia. Without prompting, the patient finds it hard to inhale into a tube repetitively, to improve their lungs. Previous applications of prior equipment has been poor, thus adding intelligence in the form of electronic technology, which prompts without assistance, is a tremendous advantage in helping not only the sighted, but also the blind as well, since normally only written information accompanies the incentive spirometer, thus, changing the use of this medical device as we know it today.