12 results about "Phonocardiogram" patented technology

Disclosed is a system for monitoring a heart condition in a companion animal. The system can collect electrocardiogram data of a companion animal through a capacitive electrocardiogram sensor without prior preparation such as hair removal, collect phonocardiogram data and ballistocardiogram data through a phonocardiogram sensor and a ballistocardiogram sensor, and generate cardiogram-integrated data available for diagnosing a heart condition in the companion animal by merging the electrocardiogram data, the phonocardiogram data, and the ballistocardiogram data.

A body-worn patch sensor for simultaneously measuring a blood pressure (BP), pulse oximetry (SpO2), and other vital signs and hemodynamic parameters from a patient featuring a sensing portion having a flexible housing that is worn entirely on the patient's chest and encloses a battery, wireless transmitter, and all the sensor's sensing and electronic components. It measures electrocardiogram (ECG), impedance plethysmogram (IPG), photoplethysmogram (PPG), and phonocardiogram (PCG) waveforms, and collectively processes these to determine the vital signs and hemodynamic parameters. The sensor that measures PPG waveforms also includes a heating element to increase perfusion of tissue on the chest.

Systems and methods for identifying third heart sounds (S3) and fourth heart sounds (S4) within phonocardiogram (PCG) and electrocardiogram (ECG) data are disclosed herein. An example computer-implemented method includes collecting (i) PCG data and (ii) ECG data of a user via a digital stethoscope and applying a cardiac acoustic algorithm to the PCG data and the ECG data to identify an S3 or an S4. The example method further includes extracting a respective portion of the PCG data and the ECG data that includes the S3 or the S4, generating a graphical user interface (GUI) that includes a link to an interactive visual representation of (i) the respective portion of the PCG data and (ii) the respective portion of the ECG data, and causing the GUI to be displayed for viewing by a second user.

A digital stethoscope with additional sensors for measuring orientation, positional changes, infrared radiation, strain, and electrophysiology is disclosed. Enhancements to Al driven system(s) and methods as a result of the additional sensors are disclosed. Methods and device implementations enabled by this feature set include providing instruction to a user for improved use of the digital stethoscope in obtaining sound from the body of a patient, automatic exam segmentation, automatic subject orientation capture, and motion capture not possible with a traditional stethoscope transducer alone. A further disclosure of a method for managing heart failure is described.

The application discloses a pulmonary arterial hypertension recognition device and method based on multiple ECG and PCG signals, and relates to the technical field of biomedicine. The device comprises the following steps: limiting the landing points of the aortic valve closing candidate peak and the pulmonary valve closing candidate peak in the main peak anchor point time boundary and the ECG segment key turning point time interval of the double-anchored split segment set, performing adjacent beat backtracking replacement and multi-channel consistent voting reservation on the candidate peak of the cross-beat jump, and generating a physiological consistency split segment set; according to the physiological consistency split segment set, gathering the split sequence of the multiple PCGs, and performing beat-level splicing and window-in-consistency closure on the right heart load related morphological items of the multiple ECGs, and generating a pulmonary arterial hypertension recognition diagnosis set. The application realizes high-precision synchronization of multiple ECG and PCG signals, eliminates device differences and noise interference, guarantees the reliability of feature extraction, and improves the stability of pulmonary arterial hypertension recognition.

The application relates to the technical field of healthcare informatics, in particular to a seismocardiogram analysis system and method based on accelerometer data, wherein the system comprises a heart vibration detection unit, a motion artifact detection unit and a data processing unit. The heart vibration detection unit is arranged to collect a sternum vibration signal generated by heart activity. The motion artifact detection unit is arranged to detect a sternum posture signal generated by thoracic activity during breathing. In the application, the data processing unit acquires signals of the heart vibration detection unit and the motion artifact detection unit, encodes the signals into vector group data, performs digital filtering on the vector group data, preliminarily performs band-pass filtering to retain only low-frequency signals, and performs modal decomposition on the sternum vibration signal based on a VMD algorithm to decompose the SCG signal in the sternum posture signal based on parameter characteristics of the sternum posture signal as a constraint condition.

A wearable cardiac ultrasound patch, a cardiovascular disease identification system, and method thereof integrate a silicon photonic integrated circuit layer with a microelectromechanical integrated circuit layer into an optical fiber micro-sensor, which is encapsulated with a computing chip as a single unit. This allows the examinee to perform cardiac ultrasound detection and processing in a wearable and convenient manner, free from time or geographic constraints. The silicon photonic elements in the silicon photonic integrated circuit layer and the piezoelectric elements in the microelectromechanical integrated circuit layer are stacked and arranged in a two-dimensional array, enabling the wearable cardiac ultrasound patch to scan at more angles. Furthermore, the cardiovascular disease identification system of the present invention can process the examinee's cardiac ultrasound signals, electrocardiography (ECG) signals, and phonocardiography (PCG) signals. These three data types cross-validate one another, improving the detection rate of comprehensive cardiovascular diseases and reducing the time and misdiagnosis rate for physicians diagnosing cardiovascular diseases.

A sensing apparatus (102) for cardiac measurements and diagnostics is provided. The sensing apparatus comprises a phonocardiography (PCG) sensor (108) configured to sense heart sounds, and a mechanocardiography (MCG) sensor (109) configured to sense heart-induced motion, wherein the MCG sensor comprising a 3-axis gyroscope and a 3-axis accelerometer. The PCG sensor and the MCG sensor are arranged within a common sensor housing configured to be placed onto a patient's thoracic wall. A cardiac diagnostic system (100) is also provided, comprising a PCG sensor, MCG sensor, at least one electrocardiography, ECG, electrode, and a processor (104), wherein the processor is configured to capture signals from the PCG sensor, the MCG sensor, and the at least one ECG electrode synchronously. Computer-implemented methods for predicting cardiac anomalies and heart failure based on synchronous PCG, MCG, and ECG signals are also provided.

The application discloses a flexible electrode for integrated sensing of electrocardio and heart sound. The dry electrode is used for noninvasive collection of human body surface Laplace electrocardio signals. The dry electrode and a collection system thereof are composed of three parts. The first part is a multilayer bioelectric dry electrode based on silk screen printing, which is composed of a. an electrocardio signal collection electrode (right limb RA), b. an electrocardio signal collection electrode (left limb LA) and c. an electrocardio signal collection electrode (right leg RL). The second part is d. a front-end signal conditioning circuit, which is composed of a filter circuit and a power follower. The filter circuit is used for filtering high-frequency noise such as electromyographic noise and part of low-frequency baseline drift signals. The power follower is used for inhibiting signal attenuation, providing low output impedance, enhancing signal anti-interference ability, improving system signal-to-noise ratio and ensuring signal integrity. The third part is e. a system processing and transmission circuit, which is composed of a filter, a main control chip and a Bluetooth module. The main control chip part completes processing of the Laplace signal, and obtains a Laplace electrocardiogram.

This invention relates to the field of smart wearable technology, and particularly to a smart ring. The smart ring includes an outer shell and an inner shell, which are connected and enclose a ring-shaped cavity. The ring-shaped cavity contains a circuit module and a functional module. The circuit module includes a battery and a circuit board, which are disposed within the ring-shaped cavity and arranged along the circumferential direction of the smart ring. The functional module includes a photoplethysmography (PPG) acquisition module and a phonocardiogram (PCO) acquisition module, both mounted on the circuit board and corresponding to the battery along the diameter of the smart ring. The smart ring has a wearing state. In this state, the PPG acquisition module acquires pulse wave signals, and the PCO acquisition module acquires heart sound signals. The main objective of this invention is to provide a smart ring designed to acquire the user's physiological characteristic information.

A system and method are described that provides non-invasive detection and quantification of systolic and diastolic heart failure, including subclinical, asymptomatic systolic and diastolic heart failure. The invention is a novel method for processing physiological data and deriving clinical implications and prognosis. The invention is based on extracting data from simultaneous data streams of electrocardiogram, phonocardiogram, and left ventricular pressure to be graphically displayed in a Wiggers diagram that depicts the entire cardiac cycle.

The present application relates to the technical field of medical devices, and provides a heart sound and electrocardiogram synchronous collector and a heart sound and electrocardiogram detection system. The present application provides a heart sound and electrocardiogram synchronous collector, which comprises a conductive adsorption unit and a collection unit. The conductive adsorption unit can be adsorbed on the human skin. The collection unit is connected to the conductive adsorption unit, can collect a heart sound signal, and can collect an electrocardiogram signal through the conductive adsorption unit. The present application provides a heart sound and electrocardiogram synchronous collector and a heart sound and electrocardiogram detection system, which can solve the technical problem of low efficiency of synchronous collection of an electrocardiogram signal and a heart sound signal in the prior art.