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470 results about "Performed Diagnosis" patented technology

The completed identification of a disease or illness by examining the signs and symptoms.

Cardiovascular imaging and functional analysis system

A cardiovascular imaging and functional analysis system and method is disclosed, wherein a dedicated fast, sensitive, compact and economical imaging gamma camera system that is especially suited for heart imaging and functional analysis is employed. The cardiovascular imaging and functional analysis system of the present invention can be used as a dedicated nuclear cardiology small field of view imaging camera. The disclosed cardiovascular imaging system and method has the advantages of being able to image physiology, while offering an inexpensive and portable hardware, unlike MRI, CT, and echocardiography systems.The cardiovascular imaging system of the invention employs a basic modular design suitable for cardiac imaging with one of several radionucleide tracers. The detector can be positioned in close proximity to the chest and heart from several different projections, making it possible rapidly to accumulate data for first-pass analysis, positron imaging, quantitative stress perfusion, and multi-gated equilibrium pooled blood (MUGA) tests..In a preferred embodiment, the Cardiovascular Non-Invasive Screening Probe system can perform a novel diagnostic screening test for potential victims of coronary artery disease. The system provides a rapid, inexpensive preliminary indication of coronary occlusive disease by measuring the activity of emitted particles from an injected bolus of radioactive tracer. Ratios of this activity with the time progression of the injected bolus of radioactive tracer are used to perform diagnosis of the coronary patency (artery disease).
Owner:NORTH COAST IND INC

Method and apparatus for displaying body sounds and performing diagnosis based on body sound analysis

InactiveUS6790183B2Rapidly and accurately detecting body sound abnormalitiesUltrasonic/sonic/infrasonic diagnosticsAuscultation instrumentsDigital dataSignal processing circuits
A lung sound diagnostic system for use in collecting, organizing and analyzing lung sounds associated with the inspiration(s) and expiration(s) of a patient. The system includes a plurality of transducers that may be placed at various sites around the patient's chest. The microphones are coupled to signal processing circuitry and A/D converters which digitize the data and preferably provides the digital data to a computer station. A data collection and organization program, executing on the computer station, organizes and formats the data into a combination display for display or printing. The combinational display includes at least two display elements. In a first display element, the data is shown for both inspiration and expiration combined in a first time scale. In a second display element, the data for inspiration and expiration are shown individually in a second time scale that is time-expanded relative to the first time scale. The system may also include application programs for detecting and classifying abnormal sounds. The resulting information may be displayed in a variety of formats to facilitate diagnosis. Additionally, the system may include an analysis program for comparing selected criteria corresponding to the detected abnormal sounds with predefined thresholds in order to provide a likely diagnosis.
Owner:STETHOGRAPHICS

Rotating patient chair with ear diagnosis and treatment unit

InactiveUS6916065B2Shortening time of medicalMinimizing space of roomEar treatmentOperating chairsTreatment effectSwitch box
The present invention relates to a rotating patient chair mounted with an integrated ear diagnosis and treatment unit that controls the position of a microscope 48 and a monitor 50 rotating around the rotating patient chair 30 at a predetermined angle or 180 degrees, the unit including: suctioners 44, 52, a treatment board 46, a blood pressure tester 54 and a manipulating switch box 40 for controlling the diagnosis and treatment tools, and the monitor 50 and the microscope 48 positioned in correspondence with the patient's ears anatomically positioned at 180 degrees to enable the patient to observe all of the treatment processes to the ear parts including the thin, dark auditory canals and eardrums on the monitor 50 installed at an opposite side and to enable the practitioner to explain all of the treatment processes shown on the monitor to the patient and his guardians, thereby improving reliability on the practitioner and the treatment processes and maximizing the treatment effects, and performing diagnosis and treatment processes to the patient's ears by not letting the practitioner or patient move around but merely by rotating the ear diagnosis and treatment unit, minimizing discomfort and inconvenience to the practitioner or patient, shortening the medical treatment time and minimizing the space of a treatment room occupied by the diagnosis and treatment unit.
Owner:PARK & RYOUNG

Cancer pathology auxiliary diagnosis method based on artificial intelligence technology

The present invention discloses a cancer pathology auxiliary diagnosis method based on an artificial intelligence technology. The method comprises the following steps of: canning a plurality of digital pathology images of a system into a computer, performing marking of diseased areas by pathologists to form a digital pathology image database; performing preprocessing of the digital pathology images to form a data set for algorithm training, performing sample collection, and forming a data subset for training; allowing a full convolutional network to use the data subset for training to performiteration training to regulate parameters, and constructing an artificial intelligence analysis module; scanning diagnosis pathology images, and decoding the diagnosis pathology images to access the artificial intelligence analysis module; and performing diagnosis and marking of the diagnosis pathology images by employing the artificial intelligence analysis module, and performing feedback of themarked pathology information to doctors. The cancer pathology auxiliary diagnosis method based on the artificial intelligence technology is high in diagnosis accuracy and can effectively assist doctors in discrimination of cancer pathology information.
Owner:云鲲医疗科技(上海)有限公司

Establishing method of rolling bearing intelligent diagnosis model based on convolutional neural network

The invention relates to a design method of an establishing method of a rolling bearing intelligent diagnosis model based on a convolutional neural network. Firstly a one-dimensional vibration signalis mapped into two-dimensional image information, and the two-dimensional image data are used for training a network model; and then the structural parameters of the convolutional neural network in the application process are analyzed and the better network parameters are selected so that the convolutional neural network structure having high mechanical fault classification capacity is obtained. Accurate identification and classification of the mechanical fault under the complex condition of different loads and different rotating speed can be realized; and the convolutional neural network model can greatly enhance the feature extraction capacity of the neural network by establishing the multilayer network, mastering of manual technology for mass signal processing and dependence on the diagnosis experience can be overcome, the fault features can be directly acquired from the original time domain signal through the learning mode to perform diagnosis, and adaptive extraction of the faultfeatures and intelligent diagnosis of the state of health under the condition of TB level data volume per hour can be realized.
Owner:CHANGAN UNIV

Hardware-in-loop-based automation test system for automobile diagnosis, and method thereof

The invention relates to a hardware-in-loop-based automation test system for automobile diagnosis, and a method thereof. The hardware-in-loop-based automation test system for automobile diagnosis comprises a gearbox ECU module, a complete vehicle test environment module, an automatic operation test task module and a measurement calibration tool which are connected successively to form a loop, wherein the gearbox ECU module sends a gearbox control command to the complete vehicle test environment module; the complete vehicle test environment module returns the simulation vehicle driving parameter information; the gearbox ECU module sends a communication signal for the complete vehicle and calibration to the measurement calibration tool; the measurement calibration tool returns a command for modifying calibration parameters; the automatic operation test task module sends a control command to the complete vehicle test environment module and the measurement calibration tool; and the complete vehicle test environment module and the measurement calibration tool send the simulation vehicle driving parameter information and the communication signal for the complete vehicle and calibration to the automatic operation test task module respectively. The hardware-in-loop-based automation test system for automobile diagnosis, and the method thereof can modify the calibration parameters and the complete vehicle environmental parameters under different conditions, and can perform diagnosis test, and has no need for manual intervention and is efficient and accurate.
Owner:SHANGHAI AUTOMOBILE GEAR WORKS

Detection method and system for pathological voice

The invention belongs to the technical field of noise detection, and provides a detection method for pathological voice. The method comprises the following steps of collecting the voice of a patient to be detected, conducting characteristic parameter extraction and selection on the collected voice signal, enabling optimized parameters to enter a constructed classifier model for conducting disorder grade evaluation, and outputting the detected voice disorder grading result. According to the detection method for the pathological voice, a computer and scientific judging standards are used, a professional voice processing algorithm is adopted, a doctor can be partially or completely replaced for diagnosing the patient, the result is used as the diagnosis reference for the doctor, and the contingency of the diagnostic process is reduced to the greatest extent. In addition, the detection method is easy to implement, convenient to use and high in diagnosis accuracy, an ordinary medical worker can master the detection method through simple training, the defect that medical resources are not enough in remote areas and small cities is overcome to some extent, and the disease of the patient can be diagnosed nearby and treated as soon as possible. Moreover, the specific and quantified grading mode is provided for the voice disorder, corresponding data logs are provided at each stage in the treatment process of the patient, the doctor can completely track and know the state of the disease through the data, and the treatment process of the patient is ensured to the greatest extent.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Capacitive voltage transformer error state evaluation method and system thereof

The invention discloses a capacitive voltage transformer error state online monitoring method and a system thereof. The method comprises the steps of through synchronous triggering of a synchronous signal unit, acquiring and calibrating measurement data of an operation three-phase capacitive voltage transformer, establishing a threshold which represents a statistics characteristic parameter of thecapacitive voltage transformer error state and a statistics characteristic quantity of a standard normal operation state by means of a principal component analysis method; acquiring measurement dataof the three-phase capacitive voltage transformer in the operation state, according to a statistics characteristic parameter, representing a statistics characteristic quantity of the three-phase capacitive voltage transformer error state by means of an adaptive principal component analysis method, and comparing the statistics characteristic quantity with a statistics threshold for determining whether the error state of the capacitive voltage transformer is normal; and when the statistics characteristic quantity of the measured data exceeds the statistics threshold, performing diagnosis on theerror abnormity of the capacitive voltage transformer. The capacitive voltage transformer error state online monitoring method and the system thereof can realize real-time online evaluation on the error state of the capacitive voltage transformer.
Owner:武汉格蓝若智能技术股份有限公司

Superficial venous image augmented reality method and device based on perspective projection

InactiveCN103226817AAugmented reality implementationAugmented reality easyImage enhancementImage analysisModel parametersPerspective transformation
The invention relates to a medical image augmented reality method and a device based on a projection technology, belongs to the field of wisdom medical treatment, and provides a means capable of assisting a doctor in performing diagnosis and treatment. The device is mainly characterized in that an infrared light source, an infrared camera and a projector constitute a light path, perspective transformation model parameters of target points before and behind a projection are determined by a calibration technology, and then a superficial image to be augmented is directly projected on the surface of patient skin after augmented transformation. According to the method and the device, geometrical model parameters of the projector and the infrared camera are obtained during calibration, the augmented image can be coincided with a real affected part accurately after the perspective transformation, and the augmented reality of the superficial image is realized. According to the method and the device, since only a placement relationship between the projector and the infrared camera is required to be determined, the transformation operation can be conducted in real time after a single calibration operation in a specific environment. Therefore, a hardware framework is simple and easy to realize, and the method and the device have good instantaneity and practicability.
Owner:WUHAN UNIV

Health cloud intelligent service platform based remote monitoring wrist positioner

The invention discloses a health cloud intelligent service platform based remote monitoring wrist positioner. The monitoring wrist positioner is connected with a cloud positioning management platform through network communication, wherein the cloud positioning management platform is arranged in a health cloud intelligent service platform and the monitoring wrist positioner is used for performing real-time monitoring on the health state of a user and performing timely and effective feedback; the health cloud intelligent service platform comprises a blood pressure, pulse and body temperature regular automatic test and management platform, a remote medical service system, a home self-test system, a community old-age health care medical service system, the cloud positioning management platform, an short message and WeChat service platform and other health intelligent analysis platforms; the statistical analysis is performed on data collected through the monitoring wrist positioner through the systems and diagnostic conclusions, related suggestions and matters needing attention are given regularly. According to the health cloud intelligent service platform based remote monitoring wrist positioner, the medical staff do not need to perform diagnosis and analysis on a patient personally to implement the self-service check of the user and accordingly medical resources and the user time are saved and meanwhile the characteristic service and the whole health service can be provided.
Owner:湖南泉涌信息科技有限公司

Agent-based construction method and device of intuitionistic fuzzy theory medical diagnosis model

The invention discloses an agent-based construction method and device of an intuitionistic fuzzy theory medical diagnosis model. With the adoption of a sensor technique and an artificial intelligence technology, remote and automatic acquisition and transmission of patient symptom are achieved; diagnosis analysis is carried out on the patient symptom by an intelligent medical diagnosis model built based on an intuitionistic fuzzy theory; the patient symptom is continuously updated and completed by a systematic knowledge module, namely a symptom-disease knowledge base and a disease-medicine knowledge base, and the diagnosis effect of the system is improved and enhanced; and on the condition that the existing medical staff, resources and technology are limited and the ageing population of China is faster, agent-based intelligent medical diagnosis system (AIMD) design is changed to ATM in a substantialization way and is installed in an aged community, convenient and high-efficiency medical services are provided for a patient through self-service terminal services, and the medical stress is effectively relieved. By the medical service mode, the medical clinic time is saved, and the medical cost is also reduced.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Method and apparatus for displaying body sounds and performing diagnosis based on body sound analysis

A lung sound diagnostic system for use in collecting, organizing and analyzing lung sounds associated with the inspiration(s) and expiration(s) of a patient. The system includes a plurality of transducers that may be placed at various sites around the patient's chest. The microphones are coupled to signal processing circuitry and A / D converters which digitize the data and preferably provides the digital data to a computer station. A data collection and organization program, executing on the computer station, organizes and formats the data into a combination display for display or printing. The combinational display includes at least two display elements. In a first display element, the data is shown for both inspiration and expiration combined in a first time scale. In a second display element, the data for inspiration and expiration are shown individually in a second time scale that is time-expanded relative to the first time scale. The system may also include application programs for detecting and classifying abnormal sounds. The resulting information may be displayed in a variety of formats to facilitate diagnosis. Additionally, the system may include an analysis program for comparing selected criteria corresponding to the detected abnormal sounds with predefined thresholds in order to provide a likely diagnosis.
Owner:STETHOGRAPHICS
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