Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

84results about How to "Improving the level of diagnosis" patented technology

Imaging method and device based on orthogonal multiple frequency ultrasonic stable-state echo signal

The invention discloses an imaging method and a device on the basis of orthogonal multi-frequency ultrasonic steady echo signal. The method uses an orthogonal frequency division multiplexing modulation type to form multi-frequency continuous baseband signals which are orthogonal with each other; the multi-frequency continuous baseband signals are modulated as multi-frequency ultrasonic continuous emission signals and sent out by an ultrasonic probe; the ultrasonic probe detects the steady echo signals which are reflected back; the steady echo signals are equivalent to the superposing signals; the received multi-frequency continuous baseband signals after modulation are orthogonally decomposed, each path of receiving signals are decomposed by the characteristic that each path of signals are orthogonal with each other, the amplitude of each interface reflection echo and the position thereof corresponding to the incident interface are calculated so as to carry out the image forming. The device of the invention comprises an ultrasonic probe, a control unit, and an operation unit, a receiving/emitting unit, a processing unit and a display unit which are respectively connected with the control unit; the ultrasonic probe is connected with the receiving/emitting unit; the processing unit is respectively connected with the receiving/emitting unit and the display unit; the method and the device of the invention has precise image forming and good anti-interference performance, and reduces the cost by adopting a single probe.
Owner:SOUTH CHINA UNIV OF TECH

Method and device for measuring acoustic impedance of living body based on ultrasound steady state reflection wave

The invention relates to a method for measuring the acoustic impedance of an organism based on ultrasound steady state reflected waves, which comprises that (1) multiple frequency continuous baseband signals which are mutually orthometric are structured by using orthogonal frequency division multiplexing modulation mode; (2) an ultrasonic probe sends out the multiple frequency continuous baseband signals; (3) an ultrasound transducer detects reflected state echo signals; and finally the amplitude of reflected waves of a no uniform reflecting interface and phase difference opposite to incident waves are found out by solving equations set. A device realizing the method comprises an ultrasonic probe, a control unit, a transceiving unit, a processing unit and a display element which are respectively connected with the control unit. The ultrasonic probe is connected with the transceiving unit. The processing unit is respectively connected with the transceiving unit and the display element. The method has high calculation accuracy, good anti-interference, good anti-noise capability. Only one probe is needed, thus causing that the cost of development devices is reduced. And the measuring method is simple and can be used in vivo experiment.
Owner:SOUTH CHINA UNIV OF TECH

Degradable dendritic macromolecule magnetic resonance contrast agent and preparation method thereof

The invention discloses a degradable dendritic macromolecule magnetic resonance contrast agent and a preparation method thereof. The degradable dendritic macromolecule magnetic resonance contrast agent is characterized in that a degradable dendritic macromolecule is used as a skeleton and micromolecular gadolinium chelates are connected to the degradable dendritic macromolecule so that the degradable dendritic macromolecule magnetic resonance contrast agent is formed. The degradable dendritic macromolecule magnetic resonance contrast agent has a relaxation rate of 17.4mM<-1>.s<-1> obviously higher than a relaxation rate of the common contrast agent, has a better MRI contrast effect, can be enriched in tumor tissue by enhanced permeation and retention effects of the degradable dendritic macromolecule magnetic resonance contrast agent, and improves MRI sensitivity and an early diagnosis level of cancers. The degradable dendritic macromolecule magnetic resonance contrast agent can be hydrolyzed by internal esterase catalysis and then is gradually discharged out of a human body so that the toxicity accumulation of gadolinium in a human body is avoided. The preparation method has simple processes, can be controlled easily and is suitable for industrial large-scale production.
Owner:ZHEJIANG UNIV

Tumor diagnosis and treatment nano-material based on manganese and dopamine, and preparation method and application thereof

The invention discloses a tumor diagnosis and treatment nano-material based on manganese and dopamine, and a preparation method thereof, and belongs to the field of magnetic resonance imaging mediatedphotothermal therapy diagnosis and treatment integration materials. The preparation method of the nano-material comprises the following steps: adding dopamine, bovine serum albumin and potassium permanganate into an aqueous medium, carrying out a reaction at room temperature, and self-assembling the obtained product to form the nano-material. Two oxidation reactions are simultaneously driven by one oxidizer, and in-situ polymerization self-assembling is driven to prepare an efficient manganese-based nanometer macromolecular contrast agent, so the relaxivity is high; and the nano-material hasa high photo-thermal conversion efficiency in a near-infrared region, can be applied to photothermal therapy as a photothermal therapy agent, can monitor the positions and the sizes of tumors and theenrichment state of the photothermal therapy agent in tumor tissues by means of a magnetic resonance technology, can be used to evaluate the therapy effect, and realizes magnetic resonance imaging mediated photothermal therapy diagnosis and treatment integration.
Owner:ZHEJIANG UNIV

Ultrasonic teaching system based on applet

The invention provides an ultrasonic teaching system based on an applet, and relates to the technical field of ultrasonic teaching, and the system comprises: a logic background terminal which stores apre-generated equipment use instruction and image teaching data of each examination part; at least one student terminal, which carries a applet, performs information interaction with ultrasonic equipment and the logic background terminal through the applet, and is used for identifying equipment information of the ultrasonic equipment and establishing communication connection with the ultrasonic equipment associated with the equipment information; loading an equipment use instruction corresponding to the equipment information according to the equipment information for students at the student terminal to check; performing simulation parameter adjustment on the ultrasonic equipment according to the equipment information, and displaying a simulation parameter adjustment result through a smallprogram for students to check; and an image teaching module, which is used for loading corresponding image teaching data for each examination part of the ultrasonic examination so as to be checked bystudents at the student terminal. Training of ultrasonic equipment and ultrasonic diagnosis is organically combined, so that a user can easily master the equipment, and diagnosis is facilitated.
Owner:上海深至信息科技有限公司

Clinical department browsing workstation aiming at PACS (Picture Archiving and Communication System) of hospital and application method thereof

InactiveCN102231176AConvenient wall hangingConvenient vertical placementSpecial data processing applicationsDigital imagingOutput device
The invention relates to a clinical department browsing workstation aiming at a PACS (Picture Archiving and Communication System) of a hospital, comprising a multipoint touch input device (1), a main controller module (2), a display and output device (3), and a power supply module (4), wherein the multipoint touch input device is used for detecting a plurality of touches simultaneously occurring at different positions on the display and output device, automatically converting the touch information into coordinate and touch point ID (Identity) information and transmitting the coordinate and touch point ID information to the main controller module; and the main controller module is used for receiving the coordinate and touch point ID information transmitted by the multipoint touch input device, grouping and storing corresponding touch point coordinates according to different touch point IDs, judging an operational command of a user through change of coordinate values among the different touch point IDs, and outputting a result to the display and output device; and the main controller module is used for calling related image data of an image server in the PACS system and converting the image data in a format of DICOM (Digital Imaging and Communication Of Medicine) file to a target file format and then outputting the target file format to the display and output device for displaying. The clinical department browsing workstation overcomes the defect of man-machine interaction in the traditional PACS image workstation and is beneficial to improving the performance and the configuration of the browsing workstation.
Owner:翁荣森 +2

Heat exchange unit fault diagnosis method and system based on edge calculation and neural network

The invention discloses a heat exchange unit fault diagnosis method based on edge calculation and a neural network, wherein the method comprises the steps that: all data of heat exchange unit equipment under different working conditions are collected in real time to form a sample data set, and the sample data set is transmitted to an edge calculation node which is disposed adjacently; the edge calculation node adopts a sliding window strategy for vibration data and extracts corresponding time domain features, frequency domain features and time-frequency domain features to form a vibration fault diagnosis feature vector; principal component analysis is carried out on the pressure data, the temperature data and the flow data, a plurality of principal component features are selected, the first-m principal component features with the contribution rate reaching a preset value are selected as principal component features, and leakage and blockage fault diagnosis feature vectors are formed; a fault diagnosis model based on a convolutional neural network is constructed according to the fault diagnosis feature vectors; and after feature extraction is carried out on the collected real-time operation data of a heat exchange unit, the fault diagnosis feature vectors are input into the fault diagnosis model for diagnosis, and a diagnosis result is generated.
Owner:CHANGZHOU ENGIPOWER TECH

Acupuncture medical data processing system and method, and information data processing terminal

The invention belongs to the technical field of data mining and discloses an acupuncture medical data processing system and method, and an information data processing terminal. The acupuncture medicaldata processing system comprises a statistical data set module; a multi-dimensional frequency statistic module; a correlation analysis module; a temporary data set module; an acupuncture prescriptionoptimization module; and a result statistic module. The acupuncture medical data processing system and method can effectively assist doctors in making medical decisions, improve the diagnosis level of doctors, make useful explorations for the construction of traditional Chinese medicine informatization, can be directly used to guide the formulation of clinical schemes, greatly improve the clinical efficacy and informatization level of acupuncture, break through the development bottleneck of the acupuncture industry, satisfy the needs of a majority of acupuncture clinicians for obtaining the latest evidence-based medical information and improving the level of diagnosis and treatment, satisfy the needs of the masses of people for obtaining feasible and effective acupuncture diagnosis and treatment schemes and preventing diseases, facilitate the high-efficient query anlysis of users, reduce the number of association rules, and improve the statistical efficiency of calculation.
Owner:成都成信高科信息技术有限公司

Information access inspection method based on substation secondary equipment panoramic information simulation

The present invention relates to the field of power construction and debugging, in particular to an information access inspection method based on substation secondary equipment panoramic information simulation. The method provided by the present invention, by simulation of secondary equipment information, implements simulation and check of information interaction between secondary equipment and a master dispatching station, and solves the problems of numerous application systems, a great number of information isolated islands as well as dispersive and low-efficiency secondary equipment access operations when conventional substation secondary equipment accesses to the master dispatching station. The method comprises: firstly, establishing a substation secondary equipment panoramic information simulation system; secondly, collecting secondary equipment information by using a secondary equipment online monitoring and analysis module of a D5000 platform; and finally, formulating a communication protocol between the secondary equipment online monitoring and analysis module and the substation secondary equipment panoramic information simulation system, so as to implement transmission of the secondary equipment information from the secondary equipment online monitoring and analysis module to the substation secondary equipment panoramic information simulation system.
Owner:STATE GRID HEBEI ENERGY TECH SERVICE CO LTD +2

Sphenoid needle type electrode for electroencephalogram detector

The invention provides a sphenoid needle type electrode for an electroencephalogram detector. The electrode comprises an electrode needle, a wiring terminal, an electrode connecting wire and an electroencephalogram tester, wherein the wiring terminal and the electrode needle are connected sequentially on the electrode connecting wire of the electroencephalogram tester; the electrode needle and the wiring terminal are fixedly or movably connected; the wiring terminal and the electrode connecting wire are fixedly connected; and the electrode connecting wire and the electroencephalogram tester are connected. The sphenoid needle type electrode has the characteristics of reasonable structure, simple operation, acupoint hit positioning, strong pertinence, high accuracy, accurate data, quick confirmed diagnosis, good effect, low cost, no pain of a patient, small economical burden and the like, and is simple to operate. Particularly, a needle type electrode structure is adopted, an acupoint hit positioning monitor technology is realized, the accuracy of monitoring data is improved to quickly diagnose the symptom of the patient, carrying is convenient, the accuracy of data collection is improved, the misdiagnose rate is reduced, and time and cost for medical treatment are saved, so that the electrode is an ideal mating electrode for a dedicated electroencephalogram tester for electroencephalogram data collection.
Owner:卢佩林 +1

Turbo-generator excitation winding turn-to-turn short circuit fault diagnosis method

The invention discloses a turbo-generator excitation winding turn-to-turn short circuit fault diagnosis method. The method comprises the following steps: 1) a generator finite element model is established, and a rotor fundamental frequency vibration and a phase angle caused by different excitation winding turn-to-turn short circuit faults are calculated to serve as a sample set of fault diagnosis;and 2) rotor vibration data during operation of the generator is collected online and in real time, the correlation degree between the vibration data and the fault sample set is obtained, and the fault degree and the fault position of the excitation winding turn-to-turn short circuit are obtained. According to the turbo-generator excitation winding turn-to-turn short circuit fault diagnosis method provided by the invention, according to the influence of electromagnetic and heat imbalance caused by the excitation winding turn-to-turn short circuit faults on the vibration of the rotor, the vibration characteristic is extracted, good diagnosis sensitivity is achieved, a new detection device does not need to be installed, thereby improving the fault diagnosis efficiency, and the method has the advantages of being simple and easy to implement and high in reliability.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Mobile pathology consultation method based on mobile remote pathology consultation platform

The invention discloses a mobile pathology consultation method based on a mobile remote pathology consultation platform. The method comprises the steps as follows: a primary hospital sends a remote consultation request to a superior hospital through the mobile remote pathology consultation platform; after the superior hospital receives the remote consultation request of the primary hospital, the mobile remote pathology consultation platform connect a corresponding pathology expert communication port of the superior hospital with a consultation group; a pathology expert of the superior hospitalaccesses the consultation group and looks up sample slice scanning data in the group, and the mobile remote pathology consultation platform records voice information and picture mark information fedback by the pathology expert through the communication port in real time and transmits the information to the rest communication ports in the consultation group. By the aid of the mobile pathology consultation method based on the mobile remote pathology consultation platform, cloud pathology consultation service is realized, the diagnosis level of the primary hospital can be improved, and the problems of lack of pathology doctors and weak technical levels of primary hospitals and hospital in remote areas in hierarchical diagnosis and treatment can be promoted to be solved in the cloud computing means.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV

Abnormal karyotype image library and construction method for same

ActiveCN104064108AIncrease the difficultyIncreased complexityMaps/plans/chartsDiseaseExternal quality assessment
The invention relates to an abnormal karyotype image library used in the medical field and a construction method for the same. Remainder adherent growth living cells used for chromosome disease diagnosis due to a diagnosis need and already confirmed to be provided with complicated chromosome abnormality are taken, and subjected to repeated generation amplification, cells are corrected, lowly-permeated, fixed and stored at minus 20 DEG C, then one type or more types of cell suspensions are taken and mixed according to the needed ratio, thus only one abnormal karyotype contained in each part of the cell suspensions is converted to various abnormal karyotypes with different ratios and easy to carry out misdiagnose, the image library is prepared through chromosome preparation and image capture, the difficulty and complexity of differential diagnosis and chimera diagnosis are improved by the prepared images, and more chromosome abnormal combined types of karyotype images can be prepared as needed; specimens are easy to get and waste redundant cells are used for teaching, technical examination, external quality assessment and resource sharing for chromosome analysis, and a remarkable effect is acted on timely discovery for diagnosis quality problems and improvement for a diagnosis level.
Owner:ATTACHED OBSTETRICS & GYNECOLOGY OSPITAL MEDICALCOLLEGE ZHEJIANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products