25 results about "Breathing cycle" patented technology

The embodiment of the invention provides a breathing machine inspiration detection method and device and a computer readable storage medium, and the method comprises the steps: collecting first pressure data and first flow data in a current breathing period, and calculating a target flow baseline according to the first pressure data, the first flow data and a preset fitting formula; calculating a virtual traffic baseline according to the target traffic baseline and the first traffic data; if it is judged that the inspiration triggering state is not reached or the virtual inspiration flow change rate in the inspiration triggering state is smaller than a preset flow change threshold value, second pressure data and second flow data of the next respiratory cycle are continuously collected, and the virtual inspiration flow change rate is calculated; and judging that inspiration is detected until the detected virtual inspiration flow change rate is greater than or equal to the preset flow change threshold value. According to the invention, the phenomena of inspiration detection delay, group delay and the like can be avoided, the difference between detected inspiration and actual inspiration is reduced, and the sensitivity of inspiration detection is improved.

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

The invention discloses a breathing state detection method and system based on deep learning and a breathing machine, and the method comprises the steps: carrying out the preliminary simple filtering of airflow and air pressure data, and removing the interference of high-frequency noise on subsequent slices; judging a breathing cycle according to the waveform of the breathing data, and slicing the airflow and air pressure data according to the breathing cycle; converting the data from the time domain to the time-frequency domain, and obtaining the time-frequency domain characteristics of the signal; and inputting the obtained signal time-frequency domain characteristics into a neural network algorithm of each subtask, and identifying various states of the current equipment. According to the breathing machine control method, the accuracy of the breathing machine control method and the use experience of a user are improved by combining a multi-state recognition network of convolution, ResNet and Transform, and the robustness is enhanced through multiple recognition and a voting mechanism.

The invention belongs to the technical field of medical apparatus and instrument control, particularly relates to an atomization control system for respiratory nursing, and aims to solve the problems of low medicine deposition efficiency, serious waste and incapability of precise medicine administration caused by the lack of the capability of sensing and responding to the real-time respiratory state of a patient in a traditional atomization device. The system comprises a breathing state real-time monitoring module, an aerosol generation and regulation module, an intelligent control center, a man-machine interaction interface and a cloud data collaboration platform. Breathing parameters are collected through a high-sensitivity sensor, the particle size and the output opportunity of fog drops are dynamically adjusted in combination with a dual-mode ultrasonic atomization technology, and accurate inspiration phase dosing is achieved; a self-adaptive learning engine is arranged in the intelligent control center, the breathing cycle can be predicted, atomization can be started in advance, and the response speed is increased; local closed-loop control and remote personalized management are supported, and the medicine utilization rate and treatment compliance are remarkably improved.

Provided herein are therapeutic devices effective to modulate lymphatic clearance in a subject or patient. The therapeutic devices have a platform configured for actuation of modes of lymphatic clearance, at least one wearable sensor that senses a phase(s) of the breathing cycle, a gating apparatus to synchronize actuation with the breathing cycle as detected by the wearable sensor and a power source. Also provided are methods for modulating lymphatic clearance in a subject using the therapeutic devices.

The present application relates to health exercise monitoring and intelligent sensing technology field, especially in training control system and method based on six word breathing method, including lower computer perception device module and upper computer analysis system;The lower computer perception device module includes: 12 joint positioning devices installed at the key joints on both sides of the human body trunk, and a breathing monitoring device installed on the chest for monitoring the breathing fluctuation;The upper computer analysis system includes a data acquisition module, a data analysis module, a training effective analysis module;In the present scheme, through the joint positioning device and the breathing monitoring device, the upper limb, the lower limb and the trunk skeletal chain model are constructed, the cosine determination is used to calculate the joint angle and the activity range, and the peak and valley characteristics of the breathing amplitude and the expiration phase slope are extracted;At the same time, a hierarchical standard training reference directory is established, and the single breathing cycle and the complete training sequence are sequentially quantified and evaluated through time sequence action matching.

The invention is a non-implantable device electro stimulator Vagus nerve synchronized by thoracic movements in humans to improve the body motor function of patients after suffering an ischemic stroke, consisting of an atrial mechanism with four Electrodes that stimulate the nerve branches located in an earpiece that electrically stimulate the endings of the Vagus nerve that are located in the area of the Cavum Conchae and the Cymba Conchae of the left ear and the right ear and which in turn connects wirelessly to a mobile application that configures the stimulation parameters, also has a breathing cycle sensing band to sense the breathing placed around the user's chest that measures the expansion and recoil of the chest during breathing.

The invention relates to a conventional breathing identity authentication method based on sonar perception, which comprises the following steps of: transmitting a high-frequency sonar signal by a loudspeaker of a smart phone, and synchronously recording breathing sounds and sonar echoes caused by chest movement; a signal synchronization algorithm is designed to align transmitted and received signals. A respiratory cycle segmentation method suitable for a low signal-to-noise ratio environment is developed by combining empirical wavelet transform and a deep learning technology to segment respiratory signals. And bimodal features are extracted from the breath sound and chest movement signals and input into an identity authentication model to identify the initial login identity of the user. Once the initial login identity of the legal user is confirmed, an identity holding stage is entered. In the stage, the identity authorization state of the user is continuously verified by monitoring and analyzing intermediate frequency signals influenced by chest movement in real time. The method is simple and convenient to operate and low in cost, breaks through the limitation of a respiratory cycle on authentication in a traditional continuous respiratory authentication method, and realizes high-frequency and continuous authentication of legal user identities.

A shock wave lithotripsy device includes a shock wave generation unit that irradiates shock waves to a stone in the body of a patient, a trigger information generation unit that generates trigger information at a time point in a breathing cycle when a focus, which is set within a movement path of the stone according to breathing, matches the stone, and a control unit that controls, on the basis of the trigger information, whether or not to irradiate the shock waves from the shock wave generation unit. The shock waves can be irradiated in response to changes in the position of the stone in the body caused by breathing.

The invention discloses an intelligent auxiliary breathing mask assembly. Comprising a mask main body provided with a supporting ridge and a segmented deformation space, and a buffer piece provided with a U-shaped curvature part. And when the concave surface of the curvature part is pressed, the side edge expands towards the two ends to reduce pressure and strengthen sealing. The processor controls circulating air inflation and deflation of all the spaces according to a preset period, and segmented pressure reduction and pressure sore prevention are achieved; the breathing cycle is judged by calculating the pressure change rate through high-frequency sampling, and synchronous switching of inspiration and expiration cycles is achieved; and based on the difference between the average tidal volume and the preset target, adaptively adjusting the deformation space state to correct the pressure set value. Through the combination of a refined structure and intelligent control logic, the sealing performance is guaranteed, and meanwhile the problems of instrument-related pressure damage and poor man-machine synchronism are effectively solved.

The invention belongs to the technical field of surgical robot navigation planning, and particularly relates to a vascular intervention surgical robot automatic navigation system and method based on artificial intelligence. According to the method, the influence of the respiratory rhythm of a patient on the blood vessel deformation is introduced, and the blood vessel structure reference datum changing along with the respiratory cycle is generated by recognizing the blood vessel center line and the lumen boundary in real time and dynamically compensating, so that the limitation of static image navigation is effectively overcome, and the adaptability to the dynamic change of the blood vessel in the operation is realized; meanwhile, the real-time blood flow velocity is vectorized, space registration is conducted on the real-time blood flow velocity and a blood vessel structure reference datum, a composite surgical navigation view providing visual advancing guidance for a robot is formed, and in addition, interaction feedback information is constructed by collecting the contact stress of a guide wire and the blood vessel wall and blood vessel wall stress distribution in real time; and carrying out quadratic programming on the motion trail on the basis, and realizing dynamic path optimization under the mechanical safety constraint through stress damage risk assessment and construction of a local obstacle avoidance potential field.

The invention provides a breathing exercise device, which comprises a main cavity, a main body, an auxiliary cavity and an auxiliary body, wherein an opening communicated with the outside is formed in the lower end; the sliding piece is installed in the main cavity in a sealed and sliding mode; the lower side of the air suction cavity is connected with the main cavity, and an air suction floating ball is arranged in the air suction cavity; the upper side of the expiration cavity is connected with the main cavity, and an expiration floating ball is arranged in the expiration cavity; the flow dividing mechanism is arranged on the inner side of the main cavity and divides the main cavity into two cavities, when inhaling is conducted through the inhaling cavity, the flow dividing mechanism can exhaust air stored in the cavity on the side connected with the exhaling cavity, and when exhaling is conducted through the exhaling cavity, the flow dividing mechanism can inhale air from the outside and store the air in the cavity on the side connected with the inhaling cavity. The technical problems that in the prior art, breathing circulation exercise cannot be conducted for a long time, and the breathing gas capacity cannot be accurately detected at the same time can be solved.

The application relates to the technical field of three-color lamp breathing effect control, and discloses a three-color lamp breathing effect control method, device, equipment and storage medium, the method comprises the following steps: obtaining breathing cycle configuration parameters of a target color channel; determining a breathing curve function of luminance changing with time based on the breathing cycle configuration parameters, wherein the breathing curve function comprises a luminance rising section and a luminance falling section; polling a current time point according to a preset time reference, determining a pulse width modulation duty cycle value of a current cycle according to a phase position of the current time point in the breathing cycle and the breathing curve function; generating a control signal according to the pulse width modulation duty cycle value, and performing breathing effect control on a light-emitting unit corresponding to the target color channel based on the control signal. The application can realize smoother breathing luminance change and obtain smooth breathing effect by constructing a continuous breathing curve function and calculating the duty cycle in real time based on the time phase.

The invention relates to the technical field of image processing, provides an image registration method, device and system and a storage medium, and can provide anatomical structure information with a wider imaging view field in an operation. The method comprises the following steps: acquiring a non-real-time preoperative image in a wide imaging view field and a real-time intra-operative image in a narrow imaging view field; when the real-time preoperative graph belongs to the first respiratory cycle, adjusting the value of the weight capable of being optimized in the deformation field statistical shape model based on respiratory movement to obtain a target deformation field to register the non-real-time preoperative graph and the real-time preoperative graph, obtaining registration related information according to the target value of the weight capable of being optimized for obtaining the target deformation field, and obtaining the real-time preoperative graph according to the registration related information. Obtaining an association relationship between the registration related information and a breathing state corresponding to the real-time intra-operative graph; when the real-time intra-operative graph belongs to a non-first respiratory cycle, registration related information associated with the respiratory state corresponding to the real-time intra-operative graph is obtained based on the association relationship, and the non-real-time pre-operative graph and the real-time intra-operative graph are registered according to the registration related information and the deformation field statistical shape model.

Preferred embodiments relate to devices and methods for stabilizing breathing during sleep including providing a face mask having a trap, the mask assembly defining a reservoir to retain CO2 from exhaled breath by a user; retaining CO2 from the exhaled breath, wherein the reservoir comprises a plurality of cavities that each retain a portion of exhaled CO2; and recirculating at least a portion of the retained CO2 to the user in one or more subsequent breathing cycles.

The invention relates to a method for operating a medical imaging device for generating an image data set of a measurement region of a patient which is influenced by respiratory motion, the measurement region comprising at least one z-position, the image data set comprising at least one slice image data set of the at least one z-position, the method comprising: providing a breathing curve of the patient by means of a first interface, which describes the respiratory motion of the patient over at least one breathing cycle; automatically deriving at least one measurement parameter by means of a calculation unit on the basis of the provided breathing curve, the derived measurement parameter determining a temporal resolution of the slice image data set; operating the medical imaging device to generate the image data set by means of a control unit on the basis of the automatically derived measurement parameter, wherein for the at least one z-position a plurality of projection data sets from different projection angles in a relative rotational motion between a radiation source of the medical device and the patient are detected and on the basis thereof the slice image data set of the image data set is generated.

The invention discloses an intelligent auscultation system based on multi-mode biological acoustic analysis and a closed-loop diagnosis method, and relates to the technical field of medical diagnosis equipment. The method comprises the following steps: collecting broadband biological acoustic signals covering heart sound and breath sound; extracting an endogenous physiological clock signal from the broadband biological acoustic signal; separating cardiac cycle acoustic data and respiratory cycle acoustic data based on the endogenous physiological clock signal; generating an initial pathological acoustic probability map; acquiring clinical anchor point data associated with the target patient from an external medical information system; and based on the clinical anchor point data, performing constraint calibration on the initial pathological acoustic probability map to generate a final diagnosis result. Closed-loop calibration is carried out on the pure acoustic analysis model by introducing clinical anchor point data, and the accuracy, reliability and clinical correlation of automatic auscultation diagnosis are improved.

The present disclosure provides an electric stimulation device and a control method thereof. The electric stimulation device comprises: an electrode, which is in contact with a target object in a use state and is used to electrically stimulate a target tissue of the target object; a sensor, which is used to collect breathing data of the target object; and a controller, which is electrically connected with the sensor and the electrode and is used to: determine a current breathing state of the target object according to the breathing data; determine a predicted breathing state of the target object in a next breathing cycle according to the current breathing state of the target object; determine a target stimulation parameter according to the predicted breathing state; and control the electrode to output a stimulation signal based on the target stimulation parameter. The stimulation signal is dynamically adjusted according to the breathing state of the user, so that the stimulation signal can accurately stimulate the muscle or nerve of the user and keep the airway of the user unobstructed.

1. Name of the product in this design: Operation module for a breathing demonstration dynamic graphical user interface for electronic devices. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: The graphical user interface of this product is used to guide patients in breathing training during imaging examinations (such as, but not limited to, CT scans); the operation module is used for users to perform click operations as needed, and to provide patients with real-time prompts on the duration of breath-holding, timing of breath-holding, timing of breathing, etc. during the respiratory cycle. 7. Human-computer interaction methods of the graphical user interface: Design 1's main view is the main interface for entering the breathing demonstration system, where users can click on the operation list in the middle of the screen to perform demonstrations; Design 2's main view is the main interface for entering the breathing demonstration system, where users can click on the operation list in the middle of the screen to perform demonstrations; Design 3's main view is the main interface for entering the breathing demonstration system, where users can click on the operation list in the middle of the screen to perform demonstrations; Design 4's main view is the breath-holding training main interface after the user enters the static breathing training system; when the user clicks "Play" on the main view, the interface automatically starts a countdown, and the interface jumps sequentially from Design 4's main view to Design 4's interface change state diagram 1 and Design 4's interface change state diagram 2; Design 5's main view is the main interface for entering the breathing demonstration system, where users can click on the operation list in the middle of the screen to perform demonstrations.

This invention belongs to the field of vacuum lamination technology and discloses a lamination breathing control method combined with vacuum extraction using a perforated plate. The lamination breathing control device includes a body with a movable push plate fixedly connected to it via a cylinder. The movable push plate is slidably connected to the middle of the body. Several guide plates slide against the outer side of the movable push plate, and both ends of the guide plates are fixed to the body. Through the cooperation of structures such as triangular plates, side plates, and rotating rods, the multi-layer chip components are conveniently and neatly arranged in the center. During the closing process, the side plates drive the triangular plates to automatically squeeze the four corners of the chip components, causing each layer of chip components to move synchronously and center. After the multi-layer chip components are neatly arranged, it facilitates balanced airflow during the breathing cycle. Furthermore, after the triangular plates rotate 180 degrees and retract into the side plates, the inner side of the side plates forms a flat surface, facilitating the next step of clamping and sealing.

There is a ventilator for mechanical ventilation during a breathing cycle including an inhalation cycle and an exhalation cycle. The ventilator is configurable to be in fluid communication with a supply of a first fluid. The ventilator includes an inhalation pathway and an exhalation pathway. A first fluid injector is in fluid communication with the supply of the first fluid for injecting the first fluid. The inhalation pathway receives the first fluid injected by the first fluid injector. A controller is operatively connected with the first fluid injector and programmed to selectively actuate the first fluid injector to inject the first fluid, which is received within the inhalation pathway such that an inhalation pressure in the inhalation pathway is within a predetermined range during the inhalation cycle.

The invention belongs to the technical field of medical instruments, and particularly relates to a flexible closing method and device for a voice coil motor type exhalation valve in an anaesthesia machine. The method comprises the following steps: controlling the voice coil motor to work at a set voltage lower than a rated working voltage of the voice coil motor; and the end-expiratory flow is monitored, and the exhalation valve is closed when the end-expiratory flow reaches a set threshold value. According to the method, the exhalation valve is closed in advance at a proper time according to the end-expiratory flow, and the exhalation action is not affected; in a voice coil motor, firstly, small voltage is used to enable an ejector rod to reach the position, no large valve closing sound is made, then the final target voltage is controlled, a valve is completely closed, the noise reduction strength can be automatically adjusted according to the breathing cycle, the performance and the noise reduction effect are achieved at the same time, by using a special formula, a curve of the voltage changing from small to large is very smooth, and the noise reduction effect is good. And the impact force is very small.

The invention belongs to the technical field of ultrasonic detection, and particularly relates to a diaphragm movement degree monitoring method, medium and system based on anatomical M-type ultrasound, and the method comprises the following steps: under two-dimensional ultrasound, taking liver or spleen as a main reference organ below diaphragm, and determining the position of diaphragm; under anatomical M-type ultrasound, the angle of the sampling line is adjusted through the image recognition model until the sampling line is perpendicular to the long axis of the diaphragm, and anatomical M-type ultrasound images of the diaphragm under at least three complete respiratory cycles are collected; taking an intersection point of the sampling line and the diaphragm long axis as a coordinate origin, and constructing a diaphragm movement time-distance curve through a movement track analysis algorithm; and extracting a quantitative index of diaphragm movement based on a time-distance curve. Compared with the prior art, the problems that a conventional M-type ultrasonic fixed sampling angle cannot adapt to a complex anatomical structure, and existing operation depends on manual work and is poor in repeatability are solved. According to the scheme, high-precision, automatic and high-repeatability monitoring on the diaphragm movement degree is realized.

Methods and apparatus involve generation of an anti-infection therapy. The method / apparatus may include a controller controlling setting of a respiratory flow therapy device for the therapy. The controller may compute a target flow rate profile for a patient using a margin function, such that the target flow rate profile, according to the margin function, exceeds a minimum inspiratory flow rate profile of the patient's inspiration. The controller may control setting the respiratory flow therapy device to generate a flow of air to a patient interface according to the target flow rate profile, where the generation may be in synchrony with a sensed parameter that is indicative of a breathing cycle of the patient.

To provide a perfume composition in which the expression of a retronasal aroma is controlled and which is suitable for a commodity by evaluating an influence on the flavor of an aroma component contained in a food discharged from the nose through the posterior nasal cavity when eating the food in consideration of an actual eating environment.SOLUTION: 1) A change in concentration of the aroma component with respect to time, which varies according to the respiratory cycle, is measured for the aroma component, 2) the total eating time is divided by an arbitrary time, and for each interval, a peak top average concentration, which is an average value of peak top concentrations included in each interval, is calculated, 3) an arbitrary ratio of the peak top average concentration to the maximum value is set as a reference concentration of the aroma component, and an interval in which the concentration first exceeds the reference concentration from the start of eating is used as an index (Tonset) to evaluate the influence on the flavor of the aroma component contained in the food. Based on the obtained evaluation, the mixing ratio of the flavor components contained in the food is adjusted to prepare a flavor composition.SELECTED DRAWING: Figure 1