149 results about "Cardiopulmonary function" patented technology

A monitoring apparatus includes a housing configured to be attached to an ear of a subject, and a plurality of electrodes supported by the housing. The electrodes are configured to at least partially contact a portion of the body of the subject when the housing is attached to the ear of the subject, and are configured to detect and/or measure at least one neurological and/or cardiopulmonary function of the subject. The housing may include one or more physiological sensors configured to detect and/or measure physiological information from the subject and/or one or more environmental sensors configured to detect and/or measure environmental conditions in a vicinity of the subject.

The invention discloses a multiparameter biological information testing platform and a testing method, which adopts a movement human body as a testing object, acquires kinematic parameters, macroscopic action force of a human body and a supporting surface, distribution characteristics of sole pressure, bioelectric information of muscle groups of the human body and the like of all sections synchronously, monitors dynamic change characteristics of cardiopulmonary functions of the human body and provides theory and platform support for relevant studies and applications. The multiparameter biological information testing platform comprises a biological testing channel and integrated analysis software, wherein the testing channel comprises a synchronous clock server, a gait tactile information testing unit, a surface myoelectric acquisition unit, a high-speed image acquisition unit, an acceleration/angle testing unit and a heart rate/pulse testing unit. Under the uniform control of a center computer, all subfunction instruments are interconnected by an Ethernet interface, and realize accurate synchronization of time domains of all parameters by a clock synchronous server to form a comprehensive testing platform; each unit equipment also can be equipped with self-analysis software and a man-machine interface to form an independent instrument. The invention provides a multiparameter biological information acquiring integrated testing device and a testing method for the aspects of gait analysis, sports science research, movement function and health evaluation, basic tests and the like.

The invention relates to patient monitoring systems for monitoring cardiopulmonary function etc. by means of capacitive measurements. Furthermore, the invention relates to a method for monitoring cardiopulmonary function etc. by means of capacitive measurements. In order to provide a reliable technique for monitoring cardiopulmonary function etc., which is particularly suitable for home use, a patient monitoring system (1) for monitoring cardiopulmonary function etc. by means of capacitive measurements is proposed, said system (1) comprising a matrix (3) Many electrodes (2) arranged in the form, said electrodes (2) are suitable for being integrated with the bed (4) etc., each electrode (2) is individually selectable; ) etc., for determining the number of electrodes (2) by determining the capacitance of many electrodes (2); and for selecting a number of said The measured electrodes (2) and means (5) for performing capacitive measurements.

Methods for noninvasively evaluating indicators of cardio-pulmonary performance of a subject, such as cardiac output, pulmonary capillary blood flow, and blood carbon dioxide content, include obtaining data of an expiratory carbon dioxide signal and comparing data generated by an algorithmic lung model to the data of the expiratory carbon dioxide signal of a subject. The variables that are input into the algorithmic lung model are adjusted until the data generated thereby reflects that of the measured expiratory carbon dioxide signal with a desired degree of accuracy. Once the algorithmic lung model replicates the data of the measured expiratory carbon dioxide signal with the desired degree of accuracy, one or more of the input values may be used to determine one or more of the cardiac output, pulmonary capillary blood flow, or a blood gas content of the subject from which the expiratory carbon dioxide signal was obtained.

The invention discloses an exercise test scheme and a calculation method for a cardiopulmonary function, and belongs to the field of health assessment. A maximal oxygen uptake is a key assessment index of aerobic exercise ability and a core index to reflect an exercise cardiopulmonary function; moreover, in all-cause death attribution analysis, a low cardiopulmonary function is an all-cause death factor ranked first and therefore the assessment on the exercise cardiopulmonary function is very necessary; however, to directly test an oxygen uptake, a very precise instrument is required; and the equipment is expensive and therefore cannot be applied in the field of public fitness. In the method, by researching the shortages of a previous method in depth, an incremental load scheme that measures the maximal oxygen uptake under a secondary high intensity exercise is formulated; on the basis of observing a heart rate reaction after a small-load (25W) excise, a load at a second level is determined; and meanwhile, in a stage of an open test, effective data can be guaranteed to be collected; and based on this, according to a result obtained by the test, a new calculation method for the maximal oxygen uptake is provided; and the method of multipoint regression is adopted, so the error caused by heart rate fluctuation in previous two-point calculation is greatly reduced.

The invention discloses a quantitative cardiopulmonary system interaction analysis method which includes the steps: acquiring multi-lead physiological signals of a subject in nocturnal sleep; marking sleep stages of the signals and extracting an RR interval sequence, a PP interval sequence, a PTT sequence and an RA interval sequence; synchronously segmenting the four sequences according to 5-minute duration in the same sleep state and then extracting three characteristic parameters: low-frequency Shannon entropy, high-frequency Shannon entropy and transfer entropy; training a neural network, determining neural network parameters and building a neural network cardiopulmonary interaction evaluation model; evaluating the cardiopulmonary function of the subject by the trained neural network and outputting evaluation results. Cardiopulmonary coupling is analyzed by multi-variable time sequence analysis technology, multiple variables such as cardiac cycle, respiration and blood pressure are analyzed by a frequency domain and information analysis method, analysis deficiency of single variable is effectively remedied, so that a complicated regulation mechanism between cardiopulmonary systems is more accurately and comprehensively quantified, the coupling strength of cardiopulmonary interaction is quantified, and the direction of cardiopulmonary interaction can be judged.

The present invention provides a human body maximum oxygen uptake evaluation method based on a BP neural network. The method comprises the following steps: collecting subject's data, wherein the data includes the weight, the age, the sex, the time of running 1600m and the instant heart rate after running; obtaining the subject's sex information at the same time; and performing standard conversion of the sex, the age, the time of running 1600m and the instant heat rate after running to take as parameters, inputting the maximum oxygen uptake BP neural network, and measuring the subject's maximum oxygen uptake, wherein the maximum oxygen uptake BP neural network is provided with an input layer, an output layer and one hiding layer, the input is provided with 5 input nerve cells, the hiding layer is provided with 11 nerve cells, and the output layer is provided with one nerve cell. The human body maximum oxygen uptake evaluation method can rapidly obtain the accurate maximum oxygen uptake result with no need for expensive device investment and is suitable for population cardiopulmonary function analysis in a large sample size.

The invention discloses a wearable intelligent monitoring device, comprising a wearable carrier such as an ear hanger, glasses, glue sticker, bandage, etc. and a conversion module arranged in the wearable carrier. The wearable intelligent monitoring device comprises a wearable carrier such as an ear hanger, glasses, glue sticker, bandage, etc. Module one includes control chip, Bluetooth chip, battery, two-color LED indicator, nine-axis and vibration sensor, vibration motor, buzzer. Module 2 includes control chip, Bluetooth chip, polymer lithium battery, two-color LED indicator, nine-axis and vibration sensor, ECG monitoring module. Module 3 includes a control chip, a Bluetooth chip, a polymer lithium battery, a two-color LED indicator, an EMG & MMG monitoring module, a vibration and audioacquisition chip, and a directional sound collector. The device has the advantages of simple structure, comprehensive function and strong universality, and ensures that the user maintains a healthy posture under various conditions and has monitored the disease condition of the patient through the accurate detection of the changes of the curvature degree of the head, neck and lumbar vertebrae, thesound changes of the joint wear and tear, and the related nerve and cardiopulmonary function.

The invention provides a breath blocking trainer. The trainer comprises a U-shaped blowing nozzle made of a soft silica gel material, wherein the U-shaped opening end of the blowing nozzle covers themouth of a user, and the U-shaped bottom end of the blowing nozzle is connected with a blowing device; the blowing device comprises a cylinder, a piston arranged in the cylinder and an end cover at the bottom of the cylinder, the cylinder and the piston form a closed cavity, an O-shaped sealing ring is arranged at the top of the cavity, a sealing gasket for buffering is arranged at the bottom of the end cover, gas inlets and gas outlets are formed vertically in parallel in one side of the cavity, gas inlet adjusting knobs for adjusting the gas inlet volume are arranged at the gas inlets, and gas outlet adjusting knobs for adjusting the gas outlet volume are arranged at the gas outlets. According to the breath blocking trainer, exhalation time and speed of the user are controlled by settingdifferent gears of the gas outlets, so that the cardiopulmonary function of the user is effectively improved, and the trainer is simple in structure and convenient to carry.

The invention provides a cardiopulmonary function evaluation training device and a test method thereof. The device comprises a hardware system and a software system. The hardware system comprises a cardiopulmonary exercise experiment module, an aerobic training module, and an exercise training monitoring module. The software system comprises a patient information acquisition module, a cardiopulmonary exercise experiment data acquisition and experiment exercise pedal control module, a cardiopulmonary exercise experiment report generation module, a training exercise pedal control module and an exercise training monitoring data acquisition module. The beneficial effects of the cardiopulmonary function evaluation training device are as follows: the device is suitable for large-scale production, is reasonable design, has high safety and reliability, and is convenient operation; static vital sign information of a patient and vital sign information measured in a motion state can be used; andthe reason of limited movement of the patient is comprehensively evaluated in combination with the generation amount of muscle lactic acid in movement, a training prescription is provided for cardio-pulmonary function rehabilitation of the patient, and a training equipment cardio-pulmonary movement experiment report generation module is controlled through networking to achieve the purpose of movement training.

A biological-information detecting apparatus includes a first blood-flow measuring device provided at a seat surface of a seat, the first blood-flow measuring device measuring a condition of a blood flow of a popliteal artery of a measurement subject seated in the seat, a second blood-flow measuring device provided at a back of the seat, the second blood-flow measuring device measuring a condition of a blood flow of a thoracic aorta of the measurement subject, and a blood-pressure calculation device determining a pulse-wave propagation velocity and a degree of arteriosclerosis from blood flow data acquired by the first blood-flow measuring device and blood flow data acquired by the second blood-flow measuring device and calculating blood pressures of the popliteal artery and the thoracic aorta of the measurement subject based on the pulse-wave propagation velocity and the degree of arteriosclerosis.

A medical herb composition for the alleviation of cardiopulmonary ailments or the improvement of cardiopulmonary function in a mammal is disclosed. The medical herb composition comprises: Schisandra extract; Ginseng extract; Radix ophiopogonis extract; and Saliva miltiorrhiza extract. The medical herb composition comprising the extracts above is proved to be efficient in enhancing cardiopulmonary function of a mammalian patient without heart disease, enforcing energy and raising strength. The medical herb composition is also capable of reducing the symptoms of breathing difficulties and stagnation of vital energy.

The invention provides a dynamic physical examination method and an automatic corporeity evaluation system. The dynamic physical examination method includes two modes: 1) measuring blood oxygen, blood pressure and heart rhythm by enabling a person to hold breath; 2) measuring the blood oxygen, the blood pressure and the heart rhythm by enabling the person to continuously squat. Normal value of a static examination is used as a reference base line of a dynamic physical examination performed by using the dynamic physical examination method, and therefore heart and lung functions and a circulatory system of the person under pressure are evaluated. A breath holding examination aims at examining high value of the blood pressure and heart rhythm changes under the circumstance of organ tissue ischemia, and a continuous squatting examination aims at examining high value of the heart rhythm and blood pressure changes under the circumstance of exercise. The automatic corporeity evaluation system analyzes corporeity and potential disease risk of the person by combining dynamic physical sign measurement value with static physical examination normal value and using front end embedded software and background big data cloud computing. Then, corresponding health advice and corresponding medical service recommendation are provided.

A method and device for detecting a worsening of the cardiopulmonary state of a patient treated by a respiratory assistance device comprising means for gathering and processing parameters which are representative of

• • a first parameter that is representative of the patient's respiratory frequency over a first observation window, e.g. daily;
  • a second parameter that is representative of the percentage of cycles that were initiated by the patient during a second observation window, e.g. daily; and
  • a third parameter that is representative of the usage time of the device during a third observation window, e.g. daily.

The method is characterized in that it comprises the detection of a significant variation of one of said parameters for at least two consecutive or non-consecutive days within a consecutive period of n days, with n strictly greater than 3 and preferably ≥5; and in response thereto, generating an alert to the attention of said patient to inform him (or to the attention of a third party, such as a clinician) of a significant risk of worsening state cardiopulmonary.

The invention discloses a cardiopulmonary quintuplet detection kit , a rare earth nano fluorescence detection card thereof and a detection method thereof. The content of the cTnI/CKMB/Myo/D-Dimer/NT-proBNP in human blood can be accurately and quantitatively detected; a rare earth nano fluorescent microsphere detection technology is used; fluorescence interference of a sample can be avoided; the fluorescent microsphere is a rare earth fluoride near-infrared two-region light-emitting nano material and has a low background; the microsphere is connected with the antibody by virtue of a covalent bond, so that a labeled product is stable, has the characteristics of wide detection range, high sensitivity, high accuracy, rapidness, simplicity and convenience in detection and the like, and can helpdoctors to accurately diagnose the cardio-pulmonary function in the early stage.

The invention discloses a method and a device for generating a chronic disease exercise prescription. According to the method, the exercise risk of a patient is evaluated by analyzing clinical medicaldata and exercise test data of the patient, and then an exercise prescription is generated for the patient through a template, the clinical medical data and the exercise test data of the patient andthe exercise risk. The exercise prescription is composed of a circulation function exercise prescription, a cardiopulmonary function exercise prescription and a muscle function prescription. The action group number, the action number of each group, the rest time between the groups, the total exercise group number, the exercise time and the rest time between the groups of the cardiopulmonary function exercise prescription and the training intensity, the training group number, the training frequency and the rest time between the groups of the muscle function exercise prescription in the circulation function exercise prescription are all evaluated through the physiological state of the patient, in particular, the exercise risk evaluation. Exercise treatment carried out according to the exercise prescription disclosed by the invention has a very high curative effect on patients with chronic diseases such as diabetes. Meanwhile, the diagnosis and treatment efficiency of doctors is greatly improved.

The invention provides a physical fitness body-building evaluation system. The system comprises a user detection end, a data processing and control end, and a man-machine interaction end. The user detection end is used to obtain human body data. The data processing and control end forms a data report according to human body data. The man-machine interaction end is used for system management. The human body data includes human body sign data, and cardio-pulmonary function data and/or muscle strength data. The user checks the data report through the man-machine interaction end. The data report comprises one or more of human body composition data, the cardio-pulmonary function data, and the muscle strength data, a diet suggestion report and a motion protection report. Detection devices of the user detection end comprise one or more of a height and weight measuring instrument, a blood pressure measurement instrument, a human body composition analytical instrument, a power car or an oil block device. Through different detection devices, different physical condition information of users is measured, and then data of the user is integrated and analyzed to form a set of complete and scientific user guidance report.

The invention provides a double-handle pull-down trainer comprising a vertical frame; a training guideline panel is arranged on the vertical frame; an upper fixing frame and a lower fixing frame are mounted on the upper part and the lower part of the vertical frame respectively; a sliding rod is mounted on the upper fixing frame; the sliding rod penetrates through an enclosed counterweight barreland then is vertically mounted on the lower fixing frame; the enclosed counterweight barrel can move up and down along the sliding rod; the two sides of the enclosed counterweight barrel are providedwith connection blocks; the connection blocks are hinged to the enclosed counterweight barrel; the connection blocks are connected with loop chains; and the other end of each loop chain is connected with a pull handle. According to the double-handle pull-down trainer in the invention, counterweights on the fixed sliding rod are pulled by a human body for safely training leg muscle groups, arm muscle groups and back muscle groups, enhancing the cardiopulmonary function, improving the body flexibility and the coordination ability, improving the joint stability and realizing the rehabilitation effect on movement disorder, muscle weakness, muscle atrophy and other symptoms; and training personnel are helped to take exercise scientifically through a touch screen display according to the conditions of the training personnel, the fitness effect is displayed, and intelligent broadcast is carried out through voice.

The invention relates to a negative ion far-infrared latex product and a preparation method thereof. Negative ion powder and far-infrared ceramic powder are evenly mixed in a product body, the negative ion powder can freely release a certain amount of negative oxygen ions, and air containing the negative oxygen ions is breathed in the human body and then enters the human body for circulation so that the human vegetative nerves can be regulated, the cardio-pulmonary functions can be improved, respiration depth can be strengthened, the human metabolism is promoted and the human health can be benefited. The far-infrared ceramic powder launches far-infrared rays, the far-infrared rays can penetrate into the human tissue, and interstitial thermotherapy is conducted on the human body, wherein the principle of the interstitial thermotherapy is that the human body temperature is raised so as to relax blood vessels, the metabolic rate of the body is increased, and the effect of reinforcing ligaments, joint capsules and muscle elasticity is achieved. After the latex product is used for a long time, the self-healing capacity of the human body can be greatly improved.

A method for measuring anatomical dead space in a lung, the method comprising: (a) providing, in a supply of inspired gas, at least one indicator gas for inhalation by a patient during a test, the concentration of the indicator gas being controlled such as to follow a sinewave pattern over successive breaths; (b) measuring, over successive breaths, the flow rate and concentration of the indicator gas during both inspiration and exhalation of the patient; (c) fitting sinewave envelopes to the measured concentration values of the indicator gas over the successive breaths and, from the fitted sinewave envelopes, determining the inspired concentration, the mixed expired concentration, and the end expired concentration in respect of the indicator gas for each breath; and (d) calculating the anatomical dead space for each of a plurality of inspirations based on a conservation-of-mass principle. Also provided is a test apparatus for carrying out such a method, and a computer program or set of instruction code which, when executed, causes a processor to implement such a method.

The invention discloses a breathing auxiliary drainage apparatus and method. The apparatus comprises a drainage pipe, a liquid trap communicating with the drainage pipe, and a negative pressure generator communicating with the liquid trap so as to communicate with the drainage pipe through the liquid trap, wherein a drainage inlet is formed at one end, which is away from the liquid trap, on the drainage pipe, a pressure sensor is formed at the outer wall of the drainage pipe close to the drainage inlet, and the pressure sensor is electrically connected with the negative pressure generator through a transmission line formed in the drainage pipe and the liquid trap. By using the breathing auxiliary drainage apparatus and method, pressure in a thoracic cavity can be detected in real time, the pressure in the thoracic cavity is increased or decreased through combination with the breathing motion of a patient, accumulated gas and accumulated liquid in the thoracic cavity are effectively discharged, the compliance of lung is enhanced, a breathing function is improved, the burden of a cardiopulmonary function of the patient is mitigated, the need for breathing metabolism is met, at the same time, the possibility of endotracheal intubation for assisted ventilation is also reduced, and a series of correlated complications are avoided.