257 results about "Hearts lungs" patented technology

The invention relates to the technical field of medical health information, and particularly discloses a heart rehabilitation training control method based on muscle force and electrocardiosignal real-time monitoring, which comprises the following steps: firstly, calculating real-time myoelectricity intensity to quantify muscle load, synchronously analyzing electrocardiosignals and respiratory frequency to obtain a cardiopulmonary state, and correcting physiological indexes in combination with a trunk motion state; then, a multi-parameter fusion result is generated through a weighted fusion algorithm, and the relevance between the muscle force load and the heart response is comprehensively reflected; then, the system judges the training intensity through a preset threshold model, generates a voice feedback instruction in real time to adjust the action of the patient, and adaptively updates training parameters to match the rehabilitation progress of the individual; meanwhile, the system continuously monitors multi-parameter changes, and automatically triggers an early warning mechanism when abnormal risks are detected, so that training safety is ensured. According to the method, the limitation that a traditional scheme depends on a single index is overcome, and personalized and dynamic heart rehabilitation training closed-loop control is achieved.

The invention relates to the technical field of medical equipment, in particular to a cardiopulmonary sound and electrocardiogram rapid screening system suitable for emergency treatment scenes. The system comprises a heart and lung sound acquisition unit, an electrocardiogram acquisition unit and an intelligent analysis unit. And the intelligent analysis unit realizes signal synchronization by establishing a cross-modal time sequence alignment model, adaptively matches the physiological state by adopting a dynamic time window adjustment mechanism, and introduces multiple rounds of verification processes to ensure the result reliability. The system can automatically complete synchronous collection, feature extraction and fusion analysis of the heart and lung sound and the electrocardiosignals, the diagnosis accuracy is remarkably improved while the screening speed is guaranteed, and reliable technical support is provided for rapid screening of heart and lung diseases in the emergency department.

The invention relates to substituted pyrazolo piperidine carboxylic acids, their salts and to processes for their preparation, and also to their use for preparing medicaments for the treatment and / or prophylaxis of diseases, in particular cardiovascular and cardiac diseases, preferably heart failure with reduced and preserved ejection fraction (HFrEF, HFmrEF and HFpEF), hypertension (HTN), peripheral arterial diseases (PAD, PAOD), cardio-renal and kidney diseases, preferably chronic and diabetic kidney disease (CKD and DKD), cardiopulmonary and lung diseases, preferable pulmonary hypertension (PH), and other diseases, preferably neurodegenerative diseases and different forms of dementias, fibrotic diseases, systemic sclerosis (SSc), sickle cell disease (SCD), wound healing disorders such as diabetic foot ulcer (DFU).

The invention relates to the technical field of medical first-aid equipment, and provides intelligent cardio-pulmonary resuscitation equipment based on physical sign information fusion, which comprises a physical sign monitoring module which is integrated with an electrocardiogram monitoring unit, an end-tidal carbon dioxide (ETCO2) monitoring unit and a carotid artery blood flow ultrasonic sensor and is used for acquiring electrocardiosignals, ETCO2 concentration and carotid artery pulse data of a patient in real time; the circulation optimization module comprises an in-vitro double-lower-limb pressurization device, promotes lower limb vein blood backflow through periodic air pressure pressurization, and is provided with a pressure sensor for dynamically adjusting the pressurization intensity. Through the intelligent pressing mechanical arm, the pressing track and the springback strength can be dynamically adjusted according to the pressing effective coefficient (CCF), personal errors caused by fatigue of an operator and individual differences are avoided, high standardization and stability of pressing operation are achieved, cardio-pulmonary resuscitation effectiveness is remarkably improved, lower limb vein blood backflow is promoted through periodic air pressure pressurization, and the cardio-pulmonary resuscitation effect is improved. A pressure sensor is arranged to dynamically adjust the pressurization intensity, and the success rate of cardio-pulmonary resuscitation is increased.

Methods, devices and systems are described for decreasing the activity of the sympathetic nervous innervation to and from the lungs and the vessels supplying the lungs to treat pulmonary medical conditions such as asthma. In one embodiment, the method may involve advancing an intravascular instrument to a target location in a blood vessel within the intercostal vasculature to ablate either or both the sympathetic afferent and efferent nerves lying within the paravertebral gutter including the visceral fibers that travel to the cardiothoracic cavity and abdominopelvic viscera and the T1 to T4 / 5 sympathetic chain. In another embodiment, an intravascular instrument may be advanced to the bronchial vessels to ablate either or both the sympathetic afferent and efferent nerves in and around the posterior pulmonary plexus. In one embodiment the ablative agent is a neurolytic agent delivered in a gel. This approach may be utilized to treat other cardiac and pulmonary diseases.

The invention relates to the technical field of remote monitoring, in particular to a chronic respiratory disease patient remote monitoring system based on the Internet of Things, which comprises a physiological baseline initialization module, an event response delay measurement and calculation module, a cardiopulmonary coupling phase quantization module and a decompensation risk early warning module. According to the method, an individual blood oxygen and cardiopulmonary coupling health baseline is established to provide accurate reference for subsequent analysis, then the blood oxygen recovery time after apnea is measured and calculated, the physiological response delay characteristic of an individual is quantified, and the characteristic is used for setting a dynamic analysis window to continuously calculate the phase difference between a breathing mode and a blood oxygen signal, so that the phase difference between the breathing mode and the blood oxygen signal is calculated. By continuously comparing the current phase difference with the individual health baseline and triggering early warning when the difference value continuously exceeds a specific range, the early sign of the instability of the cardiopulmonary system can be effectively captured, the conversion from passive response type alarm to active predictive early warning is realized, and a precious time window is provided for preventing decompensation.

A pad carrying an array of ECG electrodes can be used to measure ECG signal amplitudes and AMSA, a signal analyzer determines a cardiac position with respect to the pad, and an indication of cardiac position with respect to indicia can be provided on a top surface of the pad for output to the user to guide in performing chest compressions during CPR. The pad may integrate a defibrillator electrode. The apparatus may be an automated external defibrillator (AED).

The invention discloses a critical patient rehabilitation evaluation system based on artificial intelligence, particularly relates to the technical field of medical information and intelligent rehabilitation evaluation, and is used for solving the problems that in an intensive care unit, multi-source data are not synchronous, nursing and treatment events are often caused, sedation and ventilation fluctuation pollution is caused, and the problem of serious illness is solved. And thus, the problem of distortion in judgment of which level cannot move nowadays and can move to can be solved. A unified time base is established through three types of anchor points of nursing, body position and cardiopulmonary rhythm, passivity and autonomy are judged in an influence time period, and the passivity is deducted and reserved; and then sedation, circulation, respiratory support and medication are compiled into safety budget with delay, linkage evidence quantity and uncertainty adjustment release rhythm, and degradation and rollback are triggered by an anti-fact track of margin segmentation, so that an executable prescription of'activity, reachable grade and reason 'is output beside a bed, event pollution and physiological fluctuation are inhibited, and the aim of preventing and treating the patient is fulfilled. And maloperation and missed operation are reduced.

The present disclosure provides a method for assessing cardiorespiratory health. The method comprising: generating mechanical movement data associated with a torso of a subject's body using a plurality of ballistocardiography (BCG) sensors; filtering the mechanical movement data to extract respiratory signal waveforms and heart signal waveforms; decomposing the respiratory signal waveforms into thoracic, diaphragmatic, and abdominal breathing components based on waveform characteristics and anatomical location of the plurality of BCG sensors; analyzing phase differences between the thoracic, diaphragmatic, and abdominal breathing components over time to quantify a degree of synchrony or asynchrony; evaluating relative contributions of thoracic, diaphragmatic, and abdominal breathing components to an overall breathing effort; identifying a breathing abnormality based on the analysed phase differences and the evaluated relative contributions; and detecting a potential cardiorespiratory condition based on the identified breathing abnormality.

Systems, devices, and methods provide up-to-date defibrillation shock recommendations. In an example method, multiple segments of an electrocardiogram (ECG) of an individual are detected from an individual receiving chest compressions. The multiple segments are evaluated to determine whether the individual is exhibiting a shockable heart rhythm. A medical device outputs a recommendation indicating whether a defibrillation shock is advised based on the most recent determination of the individual's heart rhythm. For example, the medical device outputs an up-to-date recommendation on-demand in response to an input signal from a user. In some examples, the medical device updates the recommendation based on ongoing analysis of the ECG.

The application discloses a ganoderma lucidum compound composition for improving immunity, which is prepared from ganoderma lucidum, ginseng, astragalus, licorice, cistanche, schisandra chinensis, cyperus rotundus, pericarpium citri reticulatae viride, melia toosendan, radix codonopsis, atractylodes, dioscorea, chuanxiong, angelica sinensis, radix rehmanniae preparatae, ligustrum lucidum, medlar, pinellia ternata, poria cocos and white mustard seed, and can be used for treating low immunity caused by heart-lung qi deficiency by supplementing heart qi, tonifying lung and spleen, dispersing liver and resolving stagnation, and activating blood circulation.

The invention relates to the technical field of biological medicines, in particular to a pharmaceutical composition and application thereof in preparation of a medicine for treating the heart-lung qi deficiency type pulmonary heart disease. The pharmaceutical composition consists of 21-27 parts of astragalus membranaceus, 13-17 parts of semen lepidii, 7-10 parts of cassia twig, 21-27 parts of ligusticum wallichii, 7-10 parts of rhizoma alismatis, 5-7 parts of platycodon grandiflorum and 2-4 parts of Chinese dates. Compared with the prior art, the cassia twig is adopted to replace fructus psoraleae in an original formula, and meanwhile, the medicinal material specifications of the fried semen descurainiae, the raw ligusticum wallichii and the salted rhizoma alismatis are preferably selected. The invention also provides three preparation methods of the pharmaceutical composition, namely a water extraction and alcohol precipitation method, an alcohol extraction and water extraction combined method and a crushing and mixing method. Experimental results show that the pharmaceutical composition has remarkable effects on improving heart functions, lung functions, blood-gas indexes, right ventricular hypertrophy and the like of pulmonary heart disease model animals, meanwhile, the hepatotoxicity risk of fructus psoraleae is avoided, and the pharmaceutical composition has a good clinical application prospect.

The invention provides a cardiac postoperative respiratory function monitoring system and method. The method comprises the steps that photoelectric volume pulse wave signals of a patient during cardiac postoperative breathing are collected through an intelligent optical sensor; extracting a heart rate variability signal of the patient, and determining a quantitative index of respiratory sinus arrhythmia of the patient through the heart rate variability signal; determining the arterial pressure variability of the patient according to the arterial pressure waveform, and fusing the arterial pressure variability and the quantitative index of the respiratory sinus arrhythmia to obtain the cardiopulmonary coupling strength; according to the cardiopulmonary coupling strength and the shallow and fast breathing index of the patient, combining a pre-trained failure prediction model during breathing machine withdrawal, outputting a failure risk value during machine withdrawal of the patient; and outputting a machine withdrawal decision support report of the patient according to the failure risk value and a preset individualized early warning threshold value. According to the scheme, the cardiac postoperative withdrawal risk can be evaluated based on the dynamic cooperation mechanism between the cardiovascular system and the respiratory system.

A heart-lung stop prediction device includes: right and left sound detection sections for detecting sounds generated by heartbeat fluctuation at right and left corneal wind sites, respectively, and detecting sounds generated by breathing fluctuation at the right and left corneal wind sites, respectively; a calculation section for calculating a stress index of a mammal based on the sounds generated by heartbeat fluctuation and the sounds generated by breathing fluctuation detected by the right and left sound detection sections; a prediction section for predicting a heart-lung stop period of the mammal based on the stress index calculated by the calculation section; and a notification section for notifying the heart-lung stop period predicted by the prediction section.

Among other things, in one aspect, we describe a system for assisting with cardiopulmonary resuscitation (CPR). The system includes at least one sensor; and one or more processors configured for calculating a chest compliance relationship based on data received from the at least one sensor, and determining a neutral position of chest compression based at least in part on a feature of the chest compliance relationship. The system can take the form of an active compression-decompression device.

The utility model provides a portable intelligent temperature-control low-body-temperature emergency rewarming cap which is suitable for emergency rewarming treatment of low-body-temperature wounded persons in an outdoor extremely low-temperature environment. The rewarming cap comprises a cap body, a carotid artery rewarming device and an intelligent control system, the carotid artery rewarming device is internally provided with a graphene heating piece and a heat conduction silica gel pad, and the carotid artery is accurately heated to achieve the in-vivo rewarming effect; the intelligent control system integrates a temperature sensor and a heart rate sensor, monitors the heating temperature and the heart rate in real time, and dynamically adjusts the heating power and feeds back the vital signs of the wounded through a microprocessor; a heating patch storage box is arranged on the lower portion of the intelligent control system, a folding front chest heating patch capable of being unfolded on the chest is arranged in the heating patch storage box, the core body temperature is increased by rewarming the front chest cardiopulmonary area through the body surface, and the problems that an existing low-body-temperature rewarming device is low in efficiency of the body surface rewarming mode and inconvenient to carry are solved.

A mobile bodily imaging system for determination of a lung fluid content is provided, comprising: a stepped-frequency radar generator that generates one or more tone and transmits the one or more tone into a chest of the patient; a sparse deconvolution inversion algorithm to detect reflection points indicating tissue interfaces within the patient and create a sparsity-based image; an initial model generated using Markov Chain Monte Carlo or Deep Neural Network estimates; and a final model generated using a neural renderer, wherein the neural renderer is provided with confirmed data that permits the neural renderer to predict the form of the reflection points, wherein the neural renderer creates an image that is compared to the sparsitybased image, and wherein the neural renderer creates refined images in a number of iterations and / or based upon a predetermined threshold of a difference between the refined neural renderer image and the sparsity-based image.

A cardiopulmonary management system includes a multi-sensor device and a controller. The multi-sensor device includes an elongated body having a first end and a second end, a first electrode disposed at the first end of the body, a second electrode disposed at the second end of the body, an electrical circuitry disposed near a middle of the body, and a sound sensor. The multi-sensor device is configured to be disposed on a skin of a subject and to measure cardiopulmonary parameters from the subject. The controller is configured to derive a score of sound change, heart rate change, thoracic impedance change, respiratory rate change, QRS wavelength change, QT interval change, electromechanical activation time change, and left ventricular systolic time change based on the measured cardiopulmonary parameters. The controller is further configured to control an operation of the system when the derived score is greater than a threshold.

The first-aid kit with the cardio-pulmonary resuscitation device comprises a first-aid kit body, a front face plate, a top plate and a rear face plate, the front face plate, the top plate and the rear face plate are of a U-shaped structure and wrap the first-aid kit body, grooves are formed in the two sides of the rear face plate, side plates supporting the front face plate and the rear face plate are movably installed in the grooves, and the front face plate and the rear face plate are connected through the side plates. The other end of each side plate is provided with a positioning assembly connected with the front panel. The first-aid kit is simple in structure, the first-aid kit body can be protected through the front panel, the top plate and the rear panel, during cardio-pulmonary resuscitation, the rear panel, the top plate and the front panel can be opened and transversely arranged, the width is increased after the side plates are opened, a patient can sit on the rear panel, the top plate, the front panel and the side plates, the back of the patient can be supported, and the patient can be prevented from being injured. Therefore, the cardiac compression quality is ensured.

The invention system is a wearable device that detects an impending or onset of cardio-respiratory arrest and remediates the condition by injecting an appropriate reversal drug depending upon the drug that triggered the arrest. It can detect and remediate arrests caused by drugs such as opioids, benzodiazepine or alcohol. Using self-test and other checks, it ensures that the system is operationally ready and that no near-expiration or expired drug is administered.

The present application relates to the cross technical field of speech signal processing, respiratory physiological monitoring and artificial intelligence, and specifically discloses a respiratory-speech pause signal analysis system and method. The present application synchronously collects speech and respiratory signals, extracts language-adapted pause parameters and physiological indexes, performs time sequence alignment and correlation analysis, and then fuses a prediction model and a true-false recognition model for intelligent analysis, thereby solving the problems that traditional heart-lung function detection relies on professional equipment and cannot be remotely and non-contactly monitored, and that existing speech analysis lacks a physiological coupling mechanism, leading to the inability to identify synthetic speech and insufficient cross-language adaptation, and realizing the dual ability improvement of non-contact respiratory physiological state evaluation and speech fraud recognition.

A chest-compression apparatus (1) for cardiopulmonary resuscitation is described. The apparatus comprises a support structure (2) that is configured to span from a person's shoulders to a person's crotch and to hold a chest compressor (3) over the person's chest when in use on a person in a supine position. It also comprises a chest compressor (3) mounted or mountable on the support structure (2). The support structure (2) is configured to span longitudinally over or along the person's chest from at least a region above the person's pelvis (11) to a region above the person's clavicles (12) when the person is in the supine position. In an embodiment, the apparatus (1) includes a backboard (7) for positioning under the person. The support structure 2 can be Y-shaped and attachable to the backboard (7).

Provided is a hybrid ring-type smart stethoscope and a method for producing the same, and the hybrid ring-type smart stethoscope includes: a connection part which has a hollow hole into which a user's finger is inserted; an upper structure which is provided on the top of the connection part; and a lower structure which is provided on the bottom of the connection part, and has a measurement module collecting body-related information, which includes the user's heartbeat or respiratory information, by coming into contact with the user. The method of producing a hybrid ring-shaped smart stethoscope includes the steps of: preparing a connection part for wearing on a user's finger; installing an upper structure on the top of the connection part in a foldable manner; and installing a lower structure on the bottom of the connection part in a foldable manner. Therefore, the hybrid ring-type smart stethoscope can effectively auscultate a user's pulse and cardiopulmonary sounds, and is conveniently portable on an ordinary day.

The invention relates to the technical field of medical health, and discloses a cardiopulmonary ultrasound assessment method and system for premature infant BPD early warning. The method comprises the steps that premature infant heart rate variability, pulmonary artery systolic pressure and respirator parameter data are synchronously collected through an HL7 FHIR protocol interface, and a BPD early warning basic data set is obtained; performing weighted fusion on the ratio of SDNN to RMSSD, the square ratio of pulmonary artery to systemic circulation systolic pressure and oxygenation parameters in the data through an algorithm to obtain a CPDI value; the CPDI and the cardiopulmonary parameters are combined to evaluate the pulmonary vascular resistance load, and a PVRL index is obtained; the CPDI, the PVRL, the gestational age and the body weight adjustment factor are fused, and a BPD occurrence risk score is obtained; and dividing risk levels according to the scoring interval and generating an early warning result. According to the method, the problem that premature infant BPD early warning lacks cardiopulmonary system multi-parameter fusion analysis and individualized risk assessment in the prior art is solved, and continuous dynamic early warning and accurate risk layering based on CPDI and PVRL indexes are achieved.

A defibrillator (200) employing a shock delivery circuit (207) and a defibrillation controller (204) for advising an administration of a cardiopulmonary resuscitation procedure on a heart of a patient by defibrillator (200) in accordance with a rescue protocol including a cardiopulmonary resuscitation protocol and a shock protocol by defibrillator (200). During an ongoing execution of the cardiopulmonary resuscitation protocol by defibrillator (200), the defibrillation controller (200) determines a probable rescue outcome of the heart of the patient or an improbable rescue outcome of the heart of the patient from a shockable cardiac rhythm of an electrocardiogram of the heart of the patient. Based on a determination of the probable rescue outcome of the heart of the patient, the controller (204) pretimely terminates the ongoing execution of the cardiopulmonary resuscitation protocol by the defibrillator (200) and initiates a succeeding execution of the shock protocol by the defibrillator (200) for the shock delivery circuit (207) to deliver the defibrillating shock to the heart of the patient.

The invention provides a traditional Chinese medicine composition for treating pulmonary arterial hypertension right heart failure, which is characterized in that the traditional Chinese medicine composition is prepared from the following raw material medicines: safflower carthamus, polygonum cuspidatum, semen lepidii, white mulberry root-bark and astragalus membranaceus. Various components in the traditional Chinese medicine composition are scientific in compatibility and play a synergistic effect, the cardio-pulmonary function of a right heart failure rat suffering from pulmonary arterial hypertension can be improved, the hemodynamics of pulmonary artery can be improved, the pathological damage and fibrosis degree of cardiac muscle tissue can be relieved, the inflammation level can be reduced, and the remarkable treatment effect on the right heart failure suffering from pulmonary arterial hypertension can be achieved; the clinical application value is higher, and the medical application prospect is wide.

The invention relates to the technical field of first-aid medical equipment, and discloses a cardio-pulmonary resuscitation control system capable of automatically adjusting thoracic springback pressure, and the system comprises a pressure monitoring module which is used for monitoring the real-time pressure between a pressing mechanism and a thoracic cavity; the analysis module is used for analyzing the monitored real-time pressure and obtaining an analysis result about whether the thoracic cavity is completely rebounded or not; the control module is used for controlling the pressing mechanism according to the analysis result, so that the real-time pressure between the pressing mechanism and the thoracic cavity meets the target pressure when the thoracic cavity completely rebounds. The chest spring-back pressure monitoring device can monitor, analyze and control the pressure during chest spring-back in real time, and by controlling the lifting speed of the pressing head and automatically adjusting the chest spring-back pressure, complete spring-back of the chest in the cardiopulmonary resuscitation stage is guaranteed, blood circulation and effective ventilation are guaranteed, and the cardiopulmonary resuscitation effect is improved; the pain point of sufficient springback of the chest after pressing is solved, closed loop of pressure monitoring and control during springback of the chest is achieved, and important data support is provided for clinic.

The invention relates to the technical field of medical equipment, in particular to a cardiac compression device for cardiovascular disease emergency treatment, which comprises a frame body, and a compression assembly for assisting in cardiac compression, a ventilation assembly for assisting in ventilation and an intermittent assembly for interval ventilation are arranged on the frame body. The pressing assembly comprises a lower pressing block, a poke rod and a rotating wheel, and the lower pressing block is connected to the frame body in a sliding mode; the poke rod is hinged to the top of the lower pressing block, and the end, away from the lower pressing block, of the poke rod is eccentrically hinged to the rotating wheel. A driving assembly for driving the rotating wheel to rotate is arranged on the frame body; the driving assembly is used for driving the ventilation assembly and the intermittent assembly to operate synchronously, so that the intermittent assembly assists in interval ventilation. By means of the one-source multi-drive design of the driving assembly, the functions of pressing, ventilation and intermittent control are integrated into the same power source, first-aid operation is achieved in an automatic operation linkage mode, manual operation deviation is reduced, and the quality stability of cardio-pulmonary resuscitation is improved.

The invention discloses a lung sound recognition method based on period synchronization self-supervised cardiopulmonary decoupling. The method comprises the following steps: acquiring a single-channel auscultation audio training sample set and to-be-recognized audio, and preprocessing the single-channel auscultation audio training sample set and the to-be-recognized audio; performing time-frequency analysis on the preprocessed signal to obtain a time-frequency characteristic; calculating cardiac cycle information representation according to the time-frequency characteristics; constructing a cardiopulmonary decoupling recognition model containing coding, decoupling, decoding reconstruction and classification networks, and optimizing model parameters by using a training target containing reconstruction consistency, period synchronization, and characterization decoupling and classification constraint; and during identification, inputting the time-frequency characteristics extracted from the audio to be identified and the cardiac cycle information representation into the trained model, and outputting a lung sound identification result. The method has the advantages that heart sound interference can be restrained under the single-channel condition, recognition accuracy and robustness are improved, training is completed without heart sound labeling, and labeling cost is reduced.

The external sternum fixing device comprises a fixing band and a bandage, one end of the fixing band is connected with the bandage in a sewing mode, the upper side of the other end of the fixing band is connected with a side fixing rod in a sewing mode, and the bandage bypasses the side fixing rod and is detachably connected with the side fixing rod. The external sternum fixing device solves the problems that in the prior art, an external sternum fixing device is inconvenient to operate by a single person of a patient, needs to be assisted by nursing personnel for fixing, cannot be conveniently and timely adjusted in tightness and cannot be conveniently detached, fixed and worn. And the connection relation among all parts cannot be conveniently adjusted, so that the comfort degree is seriously influenced. The external sternum fixing device is reasonable in structural design, is formed by sewing flexible cloth, is comfortable in material, is suitable for long-term use, meets the comfort requirement of a patient after a cardiac surgery on close fitting, and solves the problem of skin itch caused by using cloth chest straps in clinic. The connecting structure is arranged at the armpit position, a user can conveniently adjust the tightness by himself / herself, and the device is suitable for being used by patients in the first-stage and second-stage rehabilitation periods of the heart and the lung.