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30 results about "Quantitative ultrasound" patented technology
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Quantitative ultrasound. Measurement of the density of a body tissue, e.g., bone, by determining how rapidly sound travels through the tissue and how different sonic wavelengths are absorbed.
Method and system for displaying ultrasound data
InactiveUS20120116218A1Ultrasonic/sonic/infrasonic diagnosticsElectrocardiographyUltrasound imagingSonification
Methods and systems for displaying ultrasound data are provided. One method includes acquiring ultrasound image data and physiological monitoring data during an ultrasound imaging scan, generating quantitative ultrasound data from the acquired ultrasound image data and correlating the quantitative ultrasound data with the physiological monitoring data. The method also includes displaying the correlated quantitative ultrasound data and physiological monitoring data time aligned on a display.
Owner:GENERAL ELECTRIC CO
Positioning ultrasonic testing device and positioning ultrasonic testing method for curved welding component
ActiveCN106841398ASolve the problem of quantitative ultrasonic testing of complex curved surface partsMaterial analysis using sonic/ultrasonic/infrasonic wavesData acquisitionUltrasonic testing
The invention relates to a positioning ultrasonic testing device and a positioning ultrasonic testing method for a curved welding component and belongs to the field of ultrasonic testing. An ultrasonic probe of a testing device is connected with an ultrasonic testing module; the ultrasonic testing module is connected with an industrial computer through a PCI bus; a multi-connecting rod mechanical arm is connected with the ultrasonic probe; the ultrasonic probe can realize the test for different spatial positions and postures; five angle sensors on the multi-connecting rod mechanical arm are used for converting the angle change of each connecting rod in the multi-connecting rod mechanical arm into an electric signal and feeding back to a data collecting card; the electric signal is inputted to the industrial computer through a USB connecting line. The testing method comprises the following steps: treating a workpiece surface, arranging the position of a multi-connecting rod mechanical arm base and scanning the workpiece surface. The problem of difficulty in realizing the quantitative ultrasonic testing of the complex surface of the ultrasonic probe driven by a mechanical mechanism is solved. The high-precision online quantitative scanning is performed on an internal defect of the workpiece and the computer is used for fitting and forming numerical value and feeding back the image.
Owner:JILIN UNIV
High-real-time quantitative ultrasonic detection method based on multi-angle stereo matching
ActiveCN103575808ACompleteRealize quantitative detectionAnalysing solids using sonic/ultrasonic/infrasonic wavesSonificationStereo matching
The invention discloses a high-real-time quantitative ultrasonic detection method based on multi-angle stereo matching. Aiming at a serious restriction bottleneck between the fine quantitative representation capacity and detection instantaneity of defects of existing ultrasonic detection devices, a basic idea of a finite element is firstly introduced to rasterize a to-be-detected test piece, a plurality of ultrasonic transducers distributed in different directions of a space are utilized for sequentially irradiating grid cells, and a shifting relation between the fine quantitative representation capacity of the flexible coordinating defects and the detection instantaneity is realized by utilizing the wavelet-transform-based multi-resolution stereo matching correlation based on the acquisition of multichannel ultrasonic reflection echo signals. By collecting the multi-angle ultrasonic reflection echo signals, the high-real-time quantitative ultrasonic detection method has the advantage of complete carried information amount and is more beneficial to realization of the quantitative detection; by utilizing a basic theory of wavelet transform, the method has multi-resolution and time-frequency domain conjoint analysis capacities and is particularly suitable for time frequency signals such as ultrasonic waves and the like.
Owner:ZHEJIANG UNIV
Quantitative Ultrasound Imaging Based on Seismic Full Waveform Inversion
ActiveUS20210080573A1Quality improvementDetails involving processing stepsAnalysing solids using sonic/ultrasonic/infrasonic wavesFull waveformDestructive testing
This disclosure provides a system and method for producing ultrasound images based on Full Waveform Inversion (FWI). The system captures acoustic / (an)elastic waves transmitted through and reflected and / or diffracted from a medium. The system performs an FWI process in a time domain in conjunction with an accurate wave propagation solver. The system produces 3D maps of physical parameters that control wave propagation, such as shear and compressional wavespeeds, mass density, attenuation, Poisson's ratio, bulk and shear moduli, impedance, and even the fourth-order elastic tensor containing up to 21 independent parameters, which are of significant diagnostic value, e.g., for medical imaging and non-destructive testing.
Owner:THE TRUSTEES FOR PRINCETON UNIV
Thin film ultrasonic transmitter
InactiveUS20050107700A1Suitable for useAvoid difficultyUltrasonic/sonic/infrasonic diagnosticsAnalysing solids using sonic/ultrasonic/infrasonic wavesElectricityAcoustics
Owner:GE MEDICAL SYST GLOBAL TECH CO LLC
Phased Apply Ultrasound With Electronically Controlled Focal Point For Assessing Bone Quality Via Acoustic Topology And Wave Transmit Functions
InactiveUS20090112094A1Improve speed measurement accuracyMaximize efficiencyUltrasonic/sonic/infrasonic diagnosticsDiagnostic recording/measuringMedicineBone quality
A surface topology map technique and apparatus are disclosed for determining calcaneus thickness for imaging quantitative ultrasound measurements; improving measurement accuracy, particularly in in vivo applications.
Owner:RES FOUND OF STATE THE
Measurement device and detection method for bone density
InactiveCN101947116AThe sending and receiving process is completely symmetricalEliminate measurement errorsUltrasonic/sonic/infrasonic diagnosticsInfrasonic diagnosticsMotor driveMeasurement device
The invention discloses a measurement device and a detection method for detecting bone density by using an axial quantitative ultrasonic method in the technical field of medicinal instruments. A shell is fixedly connected with one end of a spring set, the other end of the spring set is connected with a side pad, an arm measurement groove is formed in the upper space of the side pad, and the opposite side of the side pad is provided with two same transmitting probes and a receiving probe; the two transmitting probes and the receiving probe are positioned on the same plane on one side of a partition board, and the bottom end of the receiving probe is connected with a transmission component; and a measured arm is put into the arm measurement groove, the spring set drives the side pad to move horizontally in the arm measurement groove, a rotating shaft of a step motor drives a screw to rotate so as to drive the receiving probe to move, the two transmitting probes transmit ultrasonic slow wave in turn, and the receiving probe converts the ultrasonic slow wave received twice into electrical signals for subsequent processing. The device and the method avoid the measurement error caused by the thickness of soft tissues on the bone, accurately position the position of the receiving probe, and improve the measurement precision.
Owner:JIANGSU UNIV
Constant-temperature numerical-control ultrasonic cleaning method and device
InactiveCN103721973AReduce volumeReduce manufacturing costCleaning using liquidsNumerical controlUltrasonic sensor
The invention discloses a constant-temperature numerical-control ultrasonic cleaning method and device. The constant-temperature numerical-control ultrasonic cleaning method includes the steps that the temperature of ultrasonic liquid inside the constant-temperature numerical-control ultrasonic cleaning device is detected, when the temperature of the ultrasonic liquid is higher than a set value, a certain amount of low-temperature ultrasonic liquid is added into the constant-temperature numerical-control ultrasonic cleaning device and evenly stirred, meanwhile, a certain amount of ultrasonic liquid is discharged out of the constant-temperature numerical-control ultrasonic cleaning device, and when the temperature of the ultrasonic liquid is lower than the set value, the ultrasonic liquid is heated to the set value. By means of the operation, constant-temperature and constant-amount dynamic balance of the ultrasonic liquid in the constant-temperature numerical-control ultrasonic cleaning device is maintained so as to achieve the aim of constant-temperature ultrasonic cleaning. The constant-temperature numerical-control ultrasonic cleaning device comprises a liquid storage tank. A technological material frame (1) is arranged on the upper portion of the liquid storage tank, a liquid inlet pipe is arranged on the lateral side of the liquid storage tank, a liquid outlet pipe is arranged on the bottom face of the liquid storage tank, a temperature sensor (2) and a heater (3) are arranged inside the liquid storage tank, and a magnetic stirring apparatus (7) and an ultrasonic transducer (8) are arranged below the liquid storage tank. According to the constant-temperature numerical-control ultrasonic cleaning method and device, a refrigerating system in a traditional constant-temperature ultrasonic cleaning device is eliminated, the production cost is greatly reduced, and the size of the constant-temperature ultrasonic cleaning device is reduced.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Tissue microstructure detection method based on empirical mode decomposition in quantitative ultrasound system
ActiveCN104138277AImprove estimation accuracyEliminate signal interferenceOrgan movement/changes detectionUltrasonic/sonic/infrasonic dianostic techniquesDecompositionPeak value
The invention discloses a tissue microstructure detection method based on empirical mode decomposition in a quantitative ultrasound system. The detection method comprises the steps that firstly, biological tissue ultrasound back-scattered signals are obtained; secondly, the back-scattered signals in a DOI are intercepted to serve as input data; thirdly, EMD is conducted on the input data so as to obtain a three-order intrinsic mode function and a residual term; fourthly, the energy spectrum of the three-order intrinsic mode function is extracted, similarity analysis is conducted on the energy spectrum of the three-order intrinsic mode function and the energy spectrum of the original signals, and a BIMF containing tissue microstructure information is determined; fifthly, the determined BIMF is estimated, and tissue scatterer spacing information is worked out. The method has the advantages that the BIMF is extracted, and useless information in non-coherent mode function items is removed; signals and noise interference of dispersion scatterers are eliminated, an interference peak value in a cepstrum is restrained, and the estimation accuracy of MSS is improved and can reach 90%-95%.
Owner:哈尔滨工业大学人工智能研究院有限公司
Quantitative Elastography with Tracked 2D Ultrasound Transducers
A method is described for acquiring 3D quantitative ultrasound elastography volumes. In one embodiment, the method comprises using a 2D ultrasound transducer to scan a volume of tissue through which shear waves are created using an external vibration source, the synchronized measurement of tissue motion within the plane of the ultrasound transducer with the measurement of the transducer location in space, the reconstruction of tissue displacements in time and space over a volume from this synchronized measurement, and the computation of one or several mechanical properties of tissue from this volumetric measurement of displacements. The tissue motion in the plane of the transducer may be measured at a high effective frame rate in the axial direction of the transducer, or in the axial and lateral directions of the transducer. The tissue displacements over the measured volume may be interpolated over a regular grid in order to make the computation of mechanical properties easier.
Owner:THE UNIV OF BRITISH COLUMBIA
Positioning ultrasonic testing device and positioning ultrasonic testing method for plane welding component
ActiveCN106841394ASolve complex, large-footprint problemsEnabling Quantitative Ultrasonic TestingAnalysing solids using sonic/ultrasonic/infrasonic wavesPreparing sample for investigationComputer moduleUltrasonic attenuation
The invention relates to a positioning ultrasonic testing device and a positioning ultrasonic testing method for a plane welding component and belongs to the field of ultrasonic testing. The structure of the device is as follows: an ultrasonic probe is connected with an ultrasonic testing module through a probe connecting line; the ultrasonic testing module is connected with an industrial computer through a PCI bus; a serial mechanical arm has a mechanical arm structure formed by the connecting rods in serial connection; the ultrasonic probe can realize the plane structure detection; an angle sensor on the serial mechanical arm is used for converting the angle change of each connecting rod into an electric signal and feeding back to a data collecting card; the electric signal is inputted to the industrial computer through a USB connecting line. The method comprises the following steps: treating a workpiece surface and scanning the workpiece surface. The invention has the advantages that the problems of complex ultrasonic scanning mechanism and large floor space can be solved; the quantitative ultrasonic testing of large-size welding component is realized; the high-precision online quantitative scanning is performed on an internal defect of the workpiece and the computer is used for fitting and forming numerical value and image.
Owner:JILIN UNIV
Method and system for displaying ultrasound data
ActiveCN102551800AUltrasonic/sonic/infrasonic diagnosticsElectrocardiographyUltrasound imagingSonification
Owner:GENERAL ELECTRIC CO
Quantitative elastography with tracked 2D ultrasound transducers
A method is described for acquiring 3D quantitative ultrasound elastography volumes. In one embodiment, the method comprises using a 2D ultrasound transducer to scan a volume of tissue through which shear waves are created using an external vibration source, the synchronized measurement of tissue motion within the plane of the ultrasound transducer with the measurement of the transducer location in space, the reconstruction of tissue displacements in time and space over a volume from this synchronized measurement, and the computation of one or several mechanical properties of tissue from this volumetric measurement of displacements. The tissue motion in the plane of the transducer may be measured at a high effective frame rate in the axial direction of the transducer, or in the axial and lateral directions of the transducer. The tissue displacements over the measured volume may be interpolated over a regular grid in order to make the computation of mechanical properties easier.
Owner:THE UNIV OF BRITISH COLUMBIA
Region of interest placement for quantitative ultrasound imaging
The invention relates to region of interest placement for quantitative ultrasound imaging. For region of interest (ROI) placement in quantitative ultrasound imaging with an ultrasound scanner (30), the ROI is automatically placed (14) using anatomy detection (10) specific to the quantification, signal processing (11) for clutter, attenuation, or noise, and / or identification (12) of regions of fluid. For quantification, multiple ROIs may be positioned automatically (14). The automatic placement (14) may improve consistency of measures over time and between sonographers and may provide for better image quality with less influence from undesired signals. As a result, diagnosis and / or treatment may be improved.
Owner:SIEMENS MEDICAL SOLUTIONS USA INC
Quantitative elastography with tracked 2d ultrasound transducers
A method is described for acquiring 3D quantitative ultrasound elastography volumes. A 2D ultrasound transducer scans a volume of tissue through which shear waves are created using an external vibration source, the synchronized measurement of tissue motion within the plane of the ultrasound transducer with the measurement of the transducer location in space, the reconstruction of tissue displacements and / or tissue velocities in time and space over a volume from this synchronized measurement, and the computation of one or several mechanical properties of tissue from this volumetric measurement of displacements. The tissue motion in the plane of the transducer may be measured at a high effective frame rate in the axial direction of the transducer, or in the axial and lateral directions of the transducer. The tissue displacements and / or tissue velocities over the measured volume may be interpolated over a regular grid in order to facilitate computation of mechanical properties.
Owner:THE UNIV OF BRITISH COLUMBIA
Quantitative elastography with tracked 2D ultrasound transducers
A method is described for acquiring 3D quantitative ultrasound elastography volumes. A 2D ultrasound transducer scans a volume of tissue through which shear waves are created using an external vibration source, the synchronized measurement of tissue motion within the plane of the ultrasound transducer with the measurement of the transducer location in space, the reconstruction of tissue displacements and / or tissue velocities in time and space over a volume from this synchronized measurement, and the computation of one or several mechanical properties of tissue from this volumetric measurement of displacements. The tissue motion in the plane of the transducer may be measured at a high effective frame rate in the axial direction of the transducer, or in the axial and lateral directions of the transducer. The tissue displacements and / or tissue velocities over the measured volume may be interpolated over a regular grid in order to facilitate computation of mechanical properties.
Owner:THE UNIV OF BRITISH COLUMBIA
Methods for Extracting and Quantifying Diagnostic Biomarkers From Ultrasound Microvessel Images
The present disclosure addresses a quantitative analysis of tumor vascularity patterns, with the goal of identifying biomarkers correlated with malignancy. Herein, we identify new types of quantitative ultrasound biomarkers of microvessel morphology that correlate with the state of the disease in question. We propose a novel method to automatically extract quantitative features related to the morphology and distribution of the vascular networks reconstructed from contrast-free ultrasound data. For instance, spatial vascularity pattern, bifurcation angle, Murray's deviation, fractal dimension and closet vessel distance were clearly depicted.
Owner:MAYO FOUND FOR MEDICAL EDUCATION & RES
Detection of microcalcifications in anatomy using quantitative transmission ultrasound tomography
Microcalcifications can be detected using quantitative ultrasound tomography. Refraction-corrected reflection images generated from a quantitative ultrasound system can be thresholded, and morphologically analyzed to isolate voxels corresponding to microcalcifications.
Owner:QT ULTRASOUND
Method and apparatus for quantitative ultrasound imaging using single-ultrasound probe
PendingUS20210177380A1Minimize reconstructionIntuitive imageMedical simulationReconstruction from projectionNerve networkRadiology
A method of operating an image device operated by at least one processor is provided. The method of operating an image device comprises generating beamformed RF-mode images including phase shift information for each incident angle by using multi-angle ultrasound-echo data, generating phase shift maps representing a displacement of speckle pattern between adjacent beamformed RF-mode images, and obtaining a speed-of-sound distribution image corresponding to the phase shift maps by using a deep neural network which is trained to reconstruct speed-of-sound distribution of a tissue from training phase shift maps.
Owner:KOREA ADVANCED INST OF SCI & TECH
Systems and methods for classifying and characterizing tissue using first and second order statistics for quantitative ultrasound parameter mapping
Systems and methods for classifying tissue using quantitative ultrasound techniques. Parameters are calculated directly from raw echo signal data acquired from a region of interest during an ultrasound scan and used to generate a parameter map. These parameters were calculated after normalizing the echo signal data with reference data to reduce the influence of variations in instrument settings, ultrasound beam diffraction and attenuation effects. First and second order statistical measures are computed from these parametric maps and used to classify the tissue or tissues in the region of interest. Using these systems and methods, organizations can be classified using different classification levels. For example, tissue characterized as malignant cancer can be additionally graded (eg, grade I, II or III).
Owner:SUNNYBROOK RES INST
Electronic phantom and method for electronically controlling a phantom for a quantitative ultrasound device
InactiveUS8438900B2Ultrasonic/sonic/infrasonic diagnosticsMaterial analysis using sonic/ultrasonic/infrasonic wavesSonificationTransducer
An electronic phantom and method for electronically controlling a phantom for a quantitative ultrasound device are provided. The electronic phantom includes a housing, a first transducer element within the housing configured to receive an ultrasonic signal from a quantitative ultrasound device and a second transducer element within the housing connected to the first transducer element. The second transducer element is configured to transmit a modified ultrasonic sound wave to the quantitative ultrasound device based on the received ultrasonic signal. The first and second transducer elements are positioned in a back to back configuration within the housing.
Owner:GENERAL ELECTRIC CO
A method and device for constant temperature digital controlled ultrasonic cleaning
InactiveCN103721973BReduce volumeReduce manufacturing costCleaning using liquidsNumerical controlUltrasonic sensor
The invention discloses a constant-temperature numerical-control ultrasonic cleaning method and device. The constant-temperature numerical-control ultrasonic cleaning method includes the steps that the temperature of ultrasonic liquid inside the constant-temperature numerical-control ultrasonic cleaning device is detected, when the temperature of the ultrasonic liquid is higher than a set value, a certain amount of low-temperature ultrasonic liquid is added into the constant-temperature numerical-control ultrasonic cleaning device and evenly stirred, meanwhile, a certain amount of ultrasonic liquid is discharged out of the constant-temperature numerical-control ultrasonic cleaning device, and when the temperature of the ultrasonic liquid is lower than the set value, the ultrasonic liquid is heated to the set value. By means of the operation, constant-temperature and constant-amount dynamic balance of the ultrasonic liquid in the constant-temperature numerical-control ultrasonic cleaning device is maintained so as to achieve the aim of constant-temperature ultrasonic cleaning. The constant-temperature numerical-control ultrasonic cleaning device comprises a liquid storage tank. A technological material frame (1) is arranged on the upper portion of the liquid storage tank, a liquid inlet pipe is arranged on the lateral side of the liquid storage tank, a liquid outlet pipe is arranged on the bottom face of the liquid storage tank, a temperature sensor (2) and a heater (3) are arranged inside the liquid storage tank, and a magnetic stirring apparatus (7) and an ultrasonic transducer (8) are arranged below the liquid storage tank. According to the constant-temperature numerical-control ultrasonic cleaning method and device, a refrigerating system in a traditional constant-temperature ultrasonic cleaning device is eliminated, the production cost is greatly reduced, and the size of the constant-temperature ultrasonic cleaning device is reduced.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Systems and Methods for Ultrasonic Characterization of Permafrost, Frozen Soil and Saturated Soil Samples
ActiveUS20220299476A1Analysing solids using sonic/ultrasonic/infrasonic wavesSoil characteristicsSoil properties
An ultrasonic sensing technique and a signal interpretation method based on a spectral element multiphase poromechanical approach overcomes critical gaps in permafrost, frozen soil, and saturated soil characterization. Ultrasonic sensing produces high-quality response signals that are sensitive to the soil properties. A transfer function denoting a ratio of induced displacement and applied force in the frequency domain, is independent of the distribution of the stress force applied by the transducer to the sample, and allows interpretation of the measured electrical signal using a theoretical transfer function relation to efficiently determine the most probable properties from response signals using an inverse spectral element multiphase poromechanical approach. This ultrasonic sensing technique enables rapid characterization of soil samples in terms of both physical and mechanical properties. The Quantitative Ultrasound (QUS) system can be used in a laboratory setup or brought on site for in-situ investigation of permafrost, frozen, and saturated soil samples.
Owner:UNIVERSITY OF MANITOBA
Tissue Microstructure Detection Method Based on Empirical Mode Decomposition in Quantitative Ultrasound System
ActiveCN104138277BImprove estimation accuracyEliminate signal interferenceOrgan movement/changes detectionUltrasonic/sonic/infrasonic dianostic techniquesDecompositionPeak value
The invention discloses a tissue microstructure detection method based on empirical mode decomposition in a quantitative ultrasound system. The detection method comprises the steps that firstly, biological tissue ultrasound back-scattered signals are obtained; secondly, the back-scattered signals in a DOI are intercepted to serve as input data; thirdly, EMD is conducted on the input data so as to obtain a three-order intrinsic mode function and a residual term; fourthly, the energy spectrum of the three-order intrinsic mode function is extracted, similarity analysis is conducted on the energy spectrum of the three-order intrinsic mode function and the energy spectrum of the original signals, and a BIMF containing tissue microstructure information is determined; fifthly, the determined BIMF is estimated, and tissue scatterer spacing information is worked out. The method has the advantages that the BIMF is extracted, and useless information in non-coherent mode function items is removed; signals and noise interference of dispersion scatterers are eliminated, an interference peak value in a cepstrum is restrained, and the estimation accuracy of MSS is improved and can reach 90%-95%.
Owner:哈尔滨工业大学人工智能研究院有限公司
Positioning ultrasonic testing device and method for curved surface welded parts
ActiveCN106841398BMaterial analysis using sonic/ultrasonic/infrasonic wavesComputer moduleUltrasonic attenuation
The invention relates to a positioning ultrasonic testing device and a positioning ultrasonic testing method for a curved welding component and belongs to the field of ultrasonic testing. An ultrasonic probe of a testing device is connected with an ultrasonic testing module; the ultrasonic testing module is connected with an industrial computer through a PCI bus; a multi-connecting rod mechanical arm is connected with the ultrasonic probe; the ultrasonic probe can realize the test for different spatial positions and postures; five angle sensors on the multi-connecting rod mechanical arm are used for converting the angle change of each connecting rod in the multi-connecting rod mechanical arm into an electric signal and feeding back to a data collecting card; the electric signal is inputted to the industrial computer through a USB connecting line. The testing method comprises the following steps: treating a workpiece surface, arranging the position of a multi-connecting rod mechanical arm base and scanning the workpiece surface. The problem of difficulty in realizing the quantitative ultrasonic testing of the complex surface of the ultrasonic probe driven by a mechanical mechanism is solved. The high-precision online quantitative scanning is performed on an internal defect of the workpiece and the computer is used for fitting and forming numerical value and feeding back the image.
Owner:JILIN UNIV
Turner syndrome bone health evaluation system and establishment method thereof
ActiveCN110544535AHigh reliability of resultsHealth-index calculationICT adaptationBone densityX-ray
The invention relates to a Turner syndrome bone health evaluation system and an establishment method thereof. The establishment method comprises the steps: setting a plurality of parameter acquisitionunits, setting a parameter processing unit, setting a judgment unit, setting an output unit and the like. By applying bone quantitative ultrasonic detection data obtained by an ultrasonic bone mineral density instrument to dozens of TS patients, it is found that the ultrasonic propagation speed and amplitude attenuation of the TS patients have positive and negative correlation with ages and haveno correlation with karyotypes of chromosomes. And further research shows that other data results are similar to bone quantitative ultrasonic detection data feedback results, have certain correlationwith the bone mineral density of the TS patient and have different amplitudes of influence on the bone health state of the TS patient. The research results are integrated, the advantages and disadvantages of X-ray absorption measurement, ultrasonic measurement, CT and other detection methods are combined, a multidirectional multi-systematic TS bone health evaluation system is established, and theestablishment of an early prediction, early intervention and early treatment medical mode for TS bone health decline is particularly important.
Owner:GUANGZHOU WOMEN AND CHILDRENS MEDICAL CENTER
High real-time quantitative ultrasonic detection method based on multi-angle stereo matching
ActiveCN103575808BCompleteRealize quantitative detectionAnalysing solids using sonic/ultrasonic/infrasonic wavesSonificationConjoint analysis
Owner:ZHEJIANG UNIV
Region of interest positioning for longitudinal monitoring in quantitative ultrasound
In order to carry out longitudinal monitoring of a patient by using quantitative ultrasound (QUS), one or more indicators of region of interest (ROI) position relative to the patient and one or more images from a past QUS imaging for the patient are stored. The indicator is add to an image with the ROI. For the subsequent QUS imaging of the patient, the indicator is used to position the ROI. In QUS monitoring, a same or fixed anatomy is monitored from examination-to-examination based on the placement of the ROI and by using a displayed indicator for the previous placement.
Owner:SIEMENS MEDICAL SOLUTIONS USA INC
Ultrasonic bone strength evaluating and diagnosing instrument
ActiveCN109480909AFaster and more scientific evaluationFaster and more scientific diagnosisOrgan movement/changes detectionInfrasonic diagnosticsEngineeringOsteoporosis
The invention discloses an ultrasonic bone strength evaluating and diagnosing instrument. The ultrasonic bone strength evaluating and diagnosing instrument comprises a transmitting module, a receivingmodule, a detecting region, a processing module, a calculation module and an output module, wherein transmitted signals transmitted by the transmitting module penetrate through the detecting region and are received by the receiving module; the processing module calculates phase velocity c according to sound velocity of the transmitted signals and the received signals; the calculation module calculates bone strength evaluating T indexes through the phase velocity c; and the output module outputs T index results. A quantitative ultrasonic measuring result is in direct contact with the inherentessence and the final result of osteoporosis, troublesomeness which is difficult to measure of BUA is reduced, the manufacturing cost and the using difficulty can be reduced remarkably, promotion andapplication are facilitated, and osteoporosis can be evaluated and diagnosed rapidly and scientifically.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI
Measurement device and detection method for bone density
InactiveCN101947116BThe sending and receiving process is completely symmetricalEliminate measurement errorsUltrasonic/sonic/infrasonic diagnosticsInfrasonic diagnosticsMotor driveMeasurement device
Owner:JIANGSU UNIV
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