68 results about "Respiration monitor" patented technology

A monitor which can detect respiration of a sleeping person without being affected by the attitude of the sleeping person or the indoor illumination light and can easily evaluate detected respiration quantitatively through image measurement. The monitor comprises means (1) for projecting a specified illumination pattern, means (5) for picking up the image of projected light continuously, means (7) for calculating inter-frame moving amount of the illumination pattern from the image of two frames acquired by the image pickup means at different times, means (8) for generating a moving amount waveform data comprising inter-frame moving amounts arranged in time series, and means (9) for detecting the movement of an object from the moving amount waveform data.

A method for determining respiration rate in a patient can include various parts. The respiration rate can be determined by measuring the heart's S2 split. The S2 split can be identified by observing the timing of the heart sounds. Other respiration related information, such as respiration phase and the occurrence of apnea, can be identified as well. A respiration monitor of this type may be useful for monitoring sub-acute patients, and outpatients. A sensor for the respiration monitor and an electrode for an ECG monitor may be combined into a single probe.

An improved non-invasive respiration monitor combines signals from a spirometer and laser chest displacement sensor to reduce signal error. The improved respirations signal can be used for position correction in radiation therapy and imaging applications and can be displayed to a user in breath control techniques.

An impedance variation respiration monitor determines the variation in human body impedance between two electrodes coupled to the surface of the body. One of the two electrodes is attached to the thorax below the armpit and the other of the two electrodes is attached to the leg extending from the opposing side of the thorax. The variation in impedance between these two electrodes measured by the monitor is closely correlated to the respiration rate of the subject and is particularly responsive to and indicates combined abdominal and thoracic breathing.

The invention provides a metabolism assessment system, which comprises a respiration monitoring module, a blood pressure and blood temperature monitoring module, a PH value measuring module, a living condition monitoring module, an impact factor monitoring module, an information processing module and a display module. The information processing module is in charge of continuously receiving, storing and transmitting information acquired by the respiration monitoring module and the impact factor monitoring module, calculating chest circumference and abdomen circumference differences of a sample between exhalation and inhalation under different impact factors, calculating a respiratory capacity within unit time in accordance with the chest circumference and abdomen circumference differences as well as a respiratory rate, and comparing the respiratory capacity with a preset threshold; and the information processing module, in combination with blood pressure, body temperature and PH value information, is used for analyzing work of respiratory dynamic performance and heart dynamic performance on blood circulation and lymphatic circulation, and for analyzing and assessing electromagnetic metabolism, chemical metabolism, mechanical metabolism and the like with the application of a correlation equation between the various impact factors. According to the comprehensive metabolism assessment system provided by the invention, human metabolism can be assessed by calculating the correlation equation on the basis of a big data technology.

The level of a respiration signal obtained from a laser sensor or the like is indicated on a respiration monitor according to an output condition set by synchronizing signal output control device. While the level of the respiration signal is indicated on the respiration monitor, a synchronizing signal output device outputs a synchronizing signal according to the output condition and the respiration signal to an X-ray control device, which controls a high-voltage generating device to energize an X-ray source to apply X-rays to an examinee.

A processing apparatus (6) for determining a respiration signal (34) of a subject (100) is presented. The processing apparatus (6) is configured to perform the steps of obtaining a movement signal (22) descriptive of a respiratory movement, determining a first quantity (24) descriptive of a rotation axis and/or rotation angle based on the obtained movement signal (22), and estimating a rotation axis (25) and/or rotation angle (26) based on the first quantity (24) and a rotation model, wherein the rotation model models the respiratory movement as a rotation around a single rotation axis. This model of the rotation can be further used as a feature for an instantaneous classifier descriptive of a movement artifact descriptive of a non-respiratory movement. Furthermore, a processing method, a respiration monitor (1, 91), a computer-readable non-transitory storage medium and a computer program are presented.

The invention discloses a wireless sleeping respiration monitor which comprises a data collecting device, a vibration waking-up device and a handheld terminal. The data collecting device comprises a heart sound/ respiration sound sensor, an audio collecting circuit and a bluetooth transceiving module. The vibration waking-up device comprises a vibrator, a vibration waking-up circuit and a bluetooth transceiving module. The data collecting device couples sound signals to the audio collecting circuit to perform amplification and digitalization through the heart sound/ respiration sound sensor and transmits the sound signals subjected to the amplification and the digitalization to the handheld terminal. The handheld terminal extracts heart sound signals and respiration sound signals according to audio signal processing and digital filtering, judges whether a user has a respiratory arrest situation in the fast sleep state according to characteristic values of the extracted heart sound signals and respiration sound signals, and performs audio waking-up on the user through audio waking-up signals. The vibration waking-up device performs on vibration waking-up on the user having the respiratory arrest situation in the fast sleep state through the vibrator.

A respiration monitoring apparatus comprises an image-acquiring unit that acquires images at predetermined timings, each image photographed in a direction inclined at a prescribed angle to a region-of-interest including at least one of a subject' s chest and abdomen; and an expiration/aspiration discriminating unit that determines a direction in which a pixel moves, from a positional change of the pixel in an image, on the basis of a plurality of images acquired at consecutive timings by the image-acquiring unit, and discriminates between the subject's expiration and aspiration on the basis of the direction determined.

Ultra wideband radar motion sensors strategically placed in an area of interest communicate with a wireless ad hoc network to provide remote area surveillance. Swept range impulse radar and a heart and respiration monitor combined with the motion sensor further improves discrimination.

The invention discloses a respiratory muscle training system in a motion state and a using method thereof. The respiratory muscle training system comprises a wearable respiratory monitoring module, aninteractive display module, a sports apparatus and a respiratory training management system. The wearable respiration monitoring module monitors parameters such as a respiration rate, a respiration flow rate, a respiration flow and heart rate of a subject in real time through a flow sensor and an electrocardio-electrode and transmits the parameters to the interactive display module. The interactive display module receives a training mode and training parameters issued by the training management system, compares the training mode and training parameters with respiratory and heart rate information obtained from the wearable respiratory monitoring module, and reminds a subject to adjust the respiratory rhythm and respiratory depth in real time; the sports apparatus is used for assisting a subject to keep respiratory training under set exercise intensity, so that the training effect can be improved; the respiratory training management system is a management tool for a rehabilitation doctor to sign and issue a training scheme and is used for making a respiratory training plan, setting differentiated training parameters, tracking and managing respiratory training process data and realizing continuous optimization of the respiratory training scheme.

The invention discloses equipment and system for intelligently sensing, monitoring, analyzing and conditioning the respiration of a user, aims at providing a smart, portable, precise and intelligent respiration monitoring instrument for families and individuals, and relates to the field of intelligent wearable medical apparatuses. The respiration monitoring instrument is used for monitoring sleep and movement respiration, and collecting respiration data, assisting in sleep, inhibiting snore, preventing apnea and the like. Modularized integrated design is adopted, respiration audio collecting and processing functions are integrated, the respiration monitoring instrument is integrated into small-size arc equipment, by making the respiration monitoring instrument worn at the nose of the human body, and additionally arranging a double-barreled audio collecting device, respiration audios are collected at a close range, data like sleep postures and movement postures is recorded, and the respiration and posture data is transmitted to an intelligent mobile phone (equipment) to be analyzed so that through a Bluetooth data module, the sleep and respiration can be intelligently assisted in being improved.

An actigraphy method includes receiving a physiological parameter signal as a function of time for a physiological parameter other than body motion (such as electrocardiography or a respiration monitor), computing a body motion artifact (BMA) signal as a function of time from the physiological parameter signal (for example, using a local signal power signal, a local variance signal, a short-time Fourier transform, or a wavelet transform over epochs of duration on order a few minutes or less), and computing an actigraphy signal as a function of time from the BMA signal, for example by applying a linear transform to the BMA signal and optionally applying filtering such as median removal and/or high-pass filtering.

The invention relates to a wearable respiration detection and protection device. The device comprises a body, a main control module and a respiration monitoring module; the respiration monitoring module comprises a temperature sensor; the body is provided with an air valve window, and the temperature sensor is arranged on the air valve window so as to generate real-time sensing data according to a condition of gas exhaled and inhaled by a human body; the main control module is used for judging the breathing condition of the human body according to the real-time sensing data generated by the temperature sensor. The device can be used for real-time respiration monitoring of general people, can also be used for real-time respiration monitoring of respiratory tract infected people, and can determine whether monitoring data are abnormal or not, so that timely processing can be carried out when respiration abnormity occurs.

The invention provides a respiration monitoring device based on array arrangement of sensors to acquire more complete human body respiration motion features so as to early warn and judge respiration related diseases. The respiration monitoring device comprises M inertial sensors for acquiring change features of a human body during respiration to serve as a sensor data packet, N signal transmittersfor sending the sensor data packet acquired by the inertial sensors to a signal receiver as well as the signal receiver for processing the sensor data packet to acquire accurate human body respiration motion features, wherein the signal receiver comprises a multidimensional data calculation part for posture calculation, a timing sequence signal reconstruction part for filtering and denoising andgenerating a reconstructed timing sequence signal, a fusion signal generation part for angle information fusion processing to generate a fusion signal, a posture yawing correction part for generatinga reset signal as well as a communication part for receiving and sending various signals.

The invention discloses a real-time respiratory signal monitoring method and device, a respiratory monitor and a storage medium, is applied to the technical field of intelligent equipment, and is usedfor solving the problem that existing detection equipment cannot complete preliminary judgment on respiratory tract abnormality. The method provided by the invention comprises the following steps: collecting an analog sound signal emitted by a respiratory tract of a target person in real time through a preset sensor; converting the analog sound signal into a digital sound signal, and performing data normalization processing; calculating each model coefficient of a time-varying autoregression model according to the digital sound signal after data normalization and the preset time-varying autoregression model; calculating the standard deviation of each model coefficient according to a preset time window; judging whether each model coefficient is suddenly changed on a time axis or not according to the calculated standard deviation; and if each model coefficient suddenly changes on a time axis, sending a signal about abnormality of the respiratory tract of the target person.

A method and system for respiratory monitoring and indicating intervention tool advancement timing during an intervention procedure. Features include monitoring the respiration of a subject using a respiration monitor, wherein the respiration monitor produces a respiratory signal indicative of a plurality of respiratory states of the subject, scanning the subject using an imaging device and generating a first imaging data set, wherein the imaging data set is associated with a respiratory state of the subject, and indicating when to advance an intervention tool based on the respiratory signal using an advancement indicator, such that advancement of the intervention tool occurs during the respiratory state of the subject, and where the subject need not hold his breath.

The invention discloses a medical respiration monitor respiratory resistance value calculating device, which is a functional module frame. A method for implementing the device comprises the following steps of: performing moving average filtering on original respiration oscillation pressure signal and flow signal obtained by data acquisition in a time domain to obtain a respiration pressure component signal and a flow component signal; subtracting the respiration pressure component signal and the flow component signal from the original respiration oscillation pressure signal and flow signal to obtain an oscillation pressure component signal and a flow component signal absorbed and refracted by lung tissues; and approximately calculating amplitudes and phases of the oscillation pressure component signal and the flow component signal by using a Fourier coefficient of a fundamental wave component in the oscillation component signal, thereby obtaining impedance components and/or reactance components of the signals. An approximate respiration resistance value can be obtained without Fourier conversion of huge operation; and the method is simple in calculation and has high practicability.

The invention relates to an instrument which can monitor, record and analyze frequency, intensity and the time ratio of exhaling and inhaling of human body respiratory movement, and has a function of an MP3 player. An oronasal airflow respiration sensor and a thoracoabdominal respiration sensor are adopted to respectively monitor respiration airflow at the position of the oronasal of the body and thoracoabdominal respiration movement changes, and therefore respiration data of the body can be overall gathered. After analog-digital (A/D) conversion, the respiration data are digitized. With a central processing unit (CPU) as a core, the functions such as analyzing, storing, displaying and transmission of the respiration data and an apnea warning function are achieved. Meanwhile, the function of the MP3 player is added, a nervous mood of a to-be-monitored person is alleviated to a certain degree by playing music, and the objectivity of respiratory monitoring is improved. Furthermore, a wireless technology and an internet technology broaden the usable range of the respiration monitor, so that a patient can self-monitor in the home, and contacting between the patient and a hospital and an emergency center can be convenient and fast.