| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 600442000 | Tissue attenuation or impedance measurement or compensation | 48 |
| 20080214935 | METHOD AND APPARATUS FOR ASSESSMENT OF BONE AGE USING ULTRASOUND - A method and apparatus for controlling access of individuals to a service, device or location in order to restrict access to members of a particular age and/or gender category, by machine-sensing a predetermined biometric characteristic of the individual indicative of the particular age and/or gender category, and utilizing the machine-sensed characteristic for automatically controlling access of the individual. The method and apparatus are particularly suited to controlling access of children to certain Internet sites, TV programs, chat rooms, or other places inappropriate to children. | 09-04-2008 |
| 20080221449 | ULTRASONIC APPARATUS AND ULTRASONIC DIAGNOSTIC METHOD - An ultrasonic apparatus has a pulse transmission and reception unit, an envelope curve detection unit, a time difference detection unit, and an attenuation characteristic obtaining unit. The pulse transmission and reception unit transmits a first transmitted pulse that a frequency increases with time and a second transmitted pulse that the frequency decreases with time, further receives a first received pulse corresponding to the first transmitted pulse and a second received pulse corresponding to the second transmitted pulse. The envelope curve detection unit detects a first envelope curve based on the first received signal and a second envelope curve based on the second received signal, respectively. The time difference detection unit detects a time difference between the first envelope curve and the second envelope curve. The attenuation characteristic obtaining unit obtains a frequency dependent-attenuation characteristic of an ultrasonic base on the time difference. | 09-11-2008 |
| 20080242984 | Ultrasonic Attenuation Materials - Improved acoustic attenuation materials and applications are provided. An improved acoustic attenuation material may include a woven layer of fibers made of porous polymers, such as porous polytetrafluoroethylene (PTFE), that include interstitial space. An improved acoustic attenuation material may include sheets of porous polymers interleaved with layers of epoxy. The sheets of porous polymers may include through holes. An embodiment of an ultrasonic transducer that includes a backing with woven layers of porous PTFE fibers is provided. The ultrasonic transducer that includes a backing with woven layers of porous PTFE fibers may be used in a three-dimensional ultrasound imaging apparatus. An embodiment of an ultrasonic transducer that includes a plurality of sheets of porous PTFE interleaved with layers of epoxy is provided. The ultrasonic transducer that includes a plurality of sheets of porous PTFE may be used in an ultrasonic imaging catheter. | 10-02-2008 |
| 20080249412 | Preoperative and Intra-Operative Lens Hardness Measurement by Ultrasound - The present disclosure provides methods, systems, techniques and apparatus related to an instrumentation used to classify tissue before and/or during removal. The tissue can include any hard tissue/soft tissue interface, such as a cataract within a lens. Before an operation, an ultrasound image can be provided that gives a full scan of the targeted region, e.g., a lens, and provide a hardness profile. The profile could include a two or three dimensional map of the tissue hardness, assisting a surgeon to choose a suitable surgical procedure and strategy. During the operation, hardness measurements can be carried out real-time, in a constant manner, while the surgeon is working. This data can allow the handpiece to automatically adjust to the surgical conditions including the tissue hardness, increasing surgical performance, decreasing surgical procedure time and reducing the rate of complications. | 10-09-2008 |
| 20080275344 | Method and Apparatus for Categorizing Breast Density and Assessing Cancer Risk Utilizing Acoustic Parameters - A method for categorizing whole-breast density is disclosed. The method includes the steps of exposing breast tissue to an acoustic signal; measuring a distribution of an acoustic parameter by analyzing the acoustic signal; and obtaining a measure of whole-breast density from said measuring step. An apparatus is also disclosed. | 11-06-2008 |
| 20090264756 | TISSUE THICKNESS AND STRUCTURE MEASUREMENT DEVICE - A device is described that can be easily used to accurately measure and monitor tissue thickness and structure using ultrasound. The device comprises a remote control and data processing unit, a handheld ultrasound transducer with an integrated position sensor. | 10-22-2009 |
| 20100063393 | Method for Improved Ultrasonic Detection - This invention relates to a method of analyzing an ultrasound signal. The method comprises obtaining a time series of sequential data frames associated with an ultrasound signal reflected from and/or backscattered from a fixed location of a material under investigation, each data frame comprising a plurality of samples of the ultrasound signal, and subjecting to an analysis a sequence of one or more samples of the ultrasound signal, or a sequence of at least one parameter derived from one or more samples of the ultrasound signal, wherein a result of the analysis is related to one or properties or characteristics of the material. In one embodiment the method may be used for detecting, diagnosing, and/or assessing cancer and/or abnormalities in biological tissue. | 03-11-2010 |
| 20100152584 | METHOD FOR MEASURING VARIOUS PARAMETERS OF BONES AND JOINTS - A method of measuring a predetermined parameter of interest in a bone or joint of a subject's body, comprising embedding in the bone or joint an acoustical transmitter and an acoustical receiver spaced from the transmitter to define between them an acoustical transmission channel which includes a portion of the bone or joint exhibiting the predetermined parameter of interest, measuring the transit time of an acoustical wave transmitted through the acoustical transmission channel from the transmitter to the receiver, and utilizing the measured transit time to provide a measurement of the predetermined parameter of interest. | 06-17-2010 |
| 20100222678 | METHOD AND DEVICE FOR MEASURING A MEAN VALUE OF VISCO-ELASTICITY OF A REGION OF INTEREST - The invention relates to a method for measuring a mean visco-elasticity value for a soft material. Said method using a single probe carrying at least one transducer comprises the steps of:
| 09-02-2010 |
| 20100249590 | ULTRASONIC DIAGNOSIS APPARATUS AND ULTRASONIC IMAGE GENERATING METHOD - The composite wave obtained by combining a fundamental wave having the center frequency f | 09-30-2010 |
| 20120029355 | Bone Sonometer - A probe device is for performing a bone density measurement is disclosed. The device comprises at least one ultrasound source for providing ultrasonic pulses; a plurality of ultrasound detectors for measuring the differences in arrival times of said ultrasonic pulses; at least one dedicated data processing element adapted for determining differences in arrival times of ultrasonic pulses; means for transferring data from said at least one measurement transducer to said at least one dedicated data processing element; and communication means adapted to transmit data from said dedicated data processing element to a non-dedicated computing means. Unlike systems known in the art, the measurements of the times of arrival of the ultrasonic pulses are performed within the probe itself, obviating the need for a dedicated computer system or measurement card. | 02-02-2012 |
| 20120065507 | REDUCTION OF MOTION ARTIFACTS IN ULTRASOUND IMAGING WITH A FLEXIBLE ULTRASOUND TRANSDUCER - Reduction of motion artifacts from flexible transducers are provided in ultrasound imaging. Temporal and/or amplitude modulation of an acoustic radiation force impulse pushing pulse may be designed to control the motion of a moveable transducer. The motion may be controlled to stabilize the transducer in one position or in a predictable (e.g. linear) movement in order to better estimate tissue displacement. Reduced motion artifact may be provided with transmitted waveforms requiring less time and power than required of a brute force approach. For example, pre-loading transmissions may not be provided. As another example, pre-loading transmissions may require less than 10 ms. | 03-15-2012 |
| 20120095337 | SYSTEMS AND METHODS TO IMPROVE ULTRASOUND BEAMFORMING - Systems and methods are disclosed to receive a plurality of samples of an ultrasound beam, each of the plurality of samples associated with a tissue depth, determine, for each of a plurality of candidate depths, a difference between the sum of each of the plurality of samples which is associated with a tissue depth from the candidate depth to a predetermined distance below the candidate depth, and the sum of each of the plurality of samples which is associated with a tissue depth from the candidate depth to the predetermined distance above the candidate depth, determine the largest determined difference, and determine the one of the plurality of candidate depths associated with the largest determined difference. | 04-19-2012 |
| 20120116223 | SYSTEM FOR MEASURING AND TRACKING HUMAN BODY FAT - A system for evaluating health, wellness and fitness, and in particular, to a system that uses an ultrasound transducer to accurately measure fat thickness at a plurality of sites on the human body, records these measurements for long term monitoring, and based on the plurality of measurements calculates the total body composition. The system includes a central control unit to analyze the measurement and display the results in a variety of formats. | 05-10-2012 |
| 20120136251 | PROBE AND DEVICE FOR DETECTING ABNORMALITY OF INTERVERTEBRAL DISC - The present invention relates to a probe and a device for detecting abnormality of an intervertebral disc. More particularly, the present invention relates to a probe and a device for detecting abnormality of an intervertebral disc that gives vibration stimulation to the inner part of the intervertebral disc and obtains an ultrasonic image in order to sense the abnormality of the intervertebral disc causing discogenic pains and inspects whether the intervertebral disc is abnormal by measuring impedance in the intervertebral disc. | 05-31-2012 |
| 20120165670 | CONTRALATERAL ARRAY BASED CORRECTION OF TRANSCRANIAL ULTRASOUND ABERRATION - Ultrasound aberration, especially in transcranial imaging or therapy, is corrected by capturing the laterally two-dimensional nature of the aberration in the ultrasound being received, as by means of a two-dimensional receiving transducer array ( | 06-28-2012 |
| 20120190983 | METHOD FOR MEASURING AT LEAST ONE PROPERTY OF BIOLOGICAL TISSUE - A method for measuring at least one property of biological tissue, including: positioning an ultrasonic transducer opposite the biological tissue to be measured; generating an ultrasonic signal within the biological tissue; acquiring at least one ultrasonic signal reflected by the biological tissue; determining at least one parameter of the biological tissue using the acquisition of the ultrasonic signal reflected by the biological tissue, the at least one parameter being representative of the biological tissue; comparing the at least one parameter of the biological tissue with at least one reference parameter of a target biological tissue so as to confirm the hypothesis of the presence of the target biological tissue opposite the ultrasonic transducer; and determining at least one property of the biological tissue on the basis of the result of the comparison. The method can be directly used in the field of humans or animals. | 07-26-2012 |
| 20120259223 | ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC IMAGE DISPLAY METHOD - Provided is an ultrasonic diagnostic apparatus configured to appropriately display a region of interest that is intended to be observed in a 3-dimensional elastic image, and also provided is an ultrasonic image display method. The ultrasonic diagnostic apparatus includes an elastic opacity table creating section for creating, on the basis of the elasticity values, an elastic opacity table used for setting an opacity in the volume rendering of the elastic volume data. | 10-11-2012 |
| 20130012818 | ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An apparatus including: a unit for analyzing a frequency of the received ultrasonic wave; a unit to extract feature data of the frequency spectrum by performing an approximation to the calculated-frequency spectrum; a storage to store feature data of a frequency spectrum extracted based upon the ultrasonic wave reflected from plural specimens, and to store the specimens as being classified into groups; a unit to calculate a degree of association between the extracted feature data and each group by using a statistics of a population including at least the feature data of each group; a unit to allow the degree of association of the specimen to each group to correspond to different color components, and to generate ultrasonic image data by using a parameter formed by combining the different color components, based upon the calculation result; and a display to display the image corresponding to the ultrasonic image data. | 01-10-2013 |
| 20130030296 | ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An ultrasonic observation apparatus is provided with a signal amplifier which amplifies a signal of an ultrasonic wave received from a sample with an amplification factor according to a receiving depth in order to use the signal in generating a B-mode image, a B-mode image data generator which generates B-mode image data in which the amplitude of the signal of the ultrasonic wave amplified by the signal amplifier is converted into brightness for display, an amplification corrector which performs correction to cancel the influence of the amplification by the signal amplifier in order to make the amplification factor constant with respect to the signal of the ultrasonic wave amplified by the signal amplifier regardless of the receiving depth, a frequency analyzer which calculates a frequency spectrum by analyzing the frequency of the signal of the ultrasonic wave corrected by the amplification corrector, and a feature data extractor which extracts feature data of the sample by performing an approximation process and an attenuation correction process for reducing the contribution of the attenuation occurring in accordance with the receiving depth of the ultrasonic wave and the frequency in transmitting the ultrasonic wave. | 01-31-2013 |
| 20130030297 | AMBIENT SOUND VELOCITY OBTAINING METHOD AND APPARATUS - To obtain ambient sound velocity of a subject with high accuracy in a ultrasonic diagnosis apparatus. In an ambient sound velocity obtaining method that transmits ultrasonic waves from an ultrasonic probe, receives reflected waves reflected by a subject to obtain received signals, performs a receive focusing process on the received signals using receive delay times based on a plurality of sound velocity settings to obtain in-phase sum signals with respect to each sound velocity setting, and obtains an ambient sound velocity of the subject based on the in-phase sum signals with respect to each sound velocity setting, the in-phase sum signals with respect to each sound velocity setting is separated into an in-phase sum signal corresponding to a boundary portion in the subject and an in-phase sum signal corresponding to portions other than the boundary portion, an index is obtained based on at least either one of the in-phase sum signals, and the ambient sound velocity is obtained based on the index. | 01-31-2013 |
| 20130030298 | METHODS AND APPARATUS FOR ULTRASOUND IMAGING - Actual ultrasound attenuation in tissue is used to calculate gain compensation profiles which are used to create a uniform image. Axial, lateral, elevation gain profiles are used to correct the attenuation and ultrasound variation in each direction. In addition, automatic activation of the automatic gain compensation is described. | 01-31-2013 |
| 20130035594 | ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD OF THE SAME, AND COMPUTER READABLE RECORDING MEDIUM - An ultrasonic observation apparatus includes: a reference spectrum storage unit that stores a first reference spectrum in a first reception depth range and a second reference spectrum in a second reception depth range obtained based on a frequency of an ultrasonic wave received from a reference reflector; a frequency analyzer that calculates a frequency spectrum by analyzing a frequency of the received ultrasonic wave; and a corrected frequency spectrum calculator that calculates a corrected frequency spectrum by determining whether a reception depth of the frequency spectrum calculated by the frequency analyzer is the first reception depth range or the second reception depth range, and obtaining a difference, in a case of the first reception depth range, between the first reference spectrum and the frequency spectrum and a difference, in a case of the second reception depth range, between the second reference spectrum and the frequency spectrum. | 02-07-2013 |
| 20130041260 | METHOD FOR IMAGING A VOLUME OF TISSUE - A method for imaging a volume of tissue in a scan region, including: emitting, from transmitting transducers, acoustic waveforms toward the volume of tissue; detecting, with detecting transducers, a plurality acoustic signals derived from acoustic waveforms interacting with the volume of tissue; generating from the detected acoustic signals a plurality of variable attenuation maps, in which each variable attenuation map corresponds to acoustic signals detected by a respective detecting transducer and includes a plurality of variable attenuation coefficients mapped to the scan region; modifying at least a portion of the detected acoustic signals based on one or more variable attenuation maps; and generating a reflection rendering of the volume of tissue based on the modified acoustic signals. | 02-14-2013 |
| 20130041261 | METHOD AND SYSTEM FOR MULTI-GRID TOMOGRAPHIC INVERSION TISSUE IMAGING - The method of one embodiment for multi-grid tomographic inversion tissue imaging comprises receiving acoustic waveform data characterizing a volume of tissue, determining and refining models of the distributions of a first and second acoustomechanical parameter within the volume of tissue using a series of grids with progressively finer discretization levels, and generating an image based on at least one of the refined models of the first and second acoustomechanical parameters. The system of one embodiment for multi-grid tomographic inversion tissue imaging comprises ultrasound emitters configured to surround and emit acoustic waveforms toward a volume of tissue, ultrasound receivers configured to surround tissue and receive acoustic waveforms, and a processor configured to determine and refine models of the distributions of a first and second acoustomechanical parameter within a volume of tissue, and generate an image based on at least one of the refined models of the first and second acoustomechanical parameters. | 02-14-2013 |
| 20130046181 | Systems And Methods For Detecting Airway Occlusion - In one embodiment, airway occlusion detection is performed by applying ultrasonic pulses into the neck of a patient, receiving the ultrasonic pulses after they have passed through the neck, and analyzing the pulses to determine whether or not an airway of the patient is partially or fully occluded. | 02-21-2013 |
| 20130085389 | METHOD AND APPARATUS FOR ANORECTAL EXAMINATION - An anorectal probe system comprising; an anorectal probe assembly having an insertion end for insertion into a patient's rectum, said probe assembly including a transducer at or adjacent to the insertion end for collecting ultrasound data; a mounting in rotational engagement with said probe assembly at a point distal from the insertion end; said mounting pivotally coupled to the probe assembly at a point intermediate the insertion end and rotational engagement point; wherein on application of a moment about said pivotal coupling, said mounting and probe assembly are arranged to permit selective pivotal movement of the probe assembly about the coupling. | 04-04-2013 |
| 20130116564 | ULTRASOUND DIAGNOSTIC DEVICE AND ULTRASOUND DIAGNOSTIC METHOD - A microscopic change in structure of sound velocity or attenuation due to a pathological change can be grasped, the change being difficult to grasp with conventional measurement of an absolute value of sound velocity or attenuation. The above problem is solved by providing an ultrasound diagnostic device including an ultrasound probe including a plurality of ultrasound transducers transmitting ultrasound waves to an object and receiving ultrasound waves reflected from the object to output an ultrasound detection signal, a region-of-interest setting device setting a region of interest within the object, a transmission focus instructing device making the ultrasound probe transmit the ultrasound waves by focusing on the region of interest, a device setting at least one or more points of interest in the region of interest, a device finding a change in sound velocity or attenuation at the point of interest, and a device finding an index indicating a sonic variation or an attenuation variation based on the change in sound velocity or attenuation. | 05-09-2013 |
| 20130123627 | OBJECT INFORMATION ACQUIRING APPARATUS AND CONTROL METHOD THEREOF - Disclosed is an object information acquiring apparatus for acquiring object information, including: a probe including a plurality of elements arranged along at least a first direction and configured to sequentially perform transmitting of acoustic wave beams and receiving of reflected waves along the first direction by the plurality of elements; a scanning unit configured to set a second direction intersecting the first direction as a main scanning direction and move the probe at a predetermined speed; and a adjusting unit configured to acquire information on a measurement depth for acquiring object information in a transmitting direction of the acoustic wave beams and determine the number of times of transmitting of acoustic wave beams and receiving of reflected waves along the first direction based on the depth, resolution of the object information in the main scanning direction, and a moving speed of the probe. | 05-16-2013 |
| 20130123628 | ULTRASOUND DIAGNOSTIC DEVICE AND ULTRASOUND DIAGNOSTIC METHOD - The present invention provides an ultrasound diagnostic device including an ultrasound probe including a plurality of ultrasound transducers transmitting ultrasound waves to an object and receiving ultrasound waves reflected from the specimen to output an ultrasound detection signal, a region-of-interest setting unit setting a region of interest within the specimen, and a variation measuring unit measuring a sonic variation or an attenuation variation of ultrasound waves in the region of interest. | 05-16-2013 |
| 20130123629 | METHOD AND APPARATUS FOR MEASURING THE THICKNESS OF ADIPOSE TISSUE - Provided are body fat measuring techniques employed to date, usually applying a certain level of force to the tissue causing narrowing of the adipose tissue layer at the time of measuring. This creates a bias in the adipose layer thickness measurement results that is not accounted for when employing these methods. Provided is a current apparatus and method offering a solution for accounting for this bias thus improving the accuracy of body fat measurements. | 05-16-2013 |
| 20130225998 | Dispersive Ultrasound Technology as a Diagnostic Device for Traumatic Brain Injuries - Described herein is the use of ultrasound pulses at different frequencies to track the dispersion properties of intracranial tissues which may have been altered due to traumatic or other neurological brain injury. Dispersive ultrasound does not provide imaging, but it can provide data of significant diagnostic value by using decision support systems that can be trained as a medical diagnostic system for traumatic brain injuries applications to detect specific patterns of dispersion that are associated with specific intracranial injuries. | 08-29-2013 |
| 20130317364 | E-BRA AND METHODS FOR EARLY DETECTION OF BREAST TUMOR - An e-bra and a method of using the said e-bra for early detection of breast cancer are disclosed. The method requires women wear the e-bra once a week for ten minutes. The e-bra uses a high frequency electromagnetic wave or a low power laser to scan the breasts and the bounced echo strength is measured for identifying any size tumor in the breast tissue. When a tumor is detected, the e-bra sounds a warning signal to the woman and she needs to go to a doctor for further examination and evaluation. | 11-28-2013 |
| 20130345565 | Measuring Acoustic Absorption or Attenuation of Ultrasound - Acoustic absorption or attenuation of ultrasound is measured. To estimate acoustic absorption or attenuation, the displacement of tissue caused by stress at different frequencies is measured. The absorption or attenuation is calculated from the displacements. The incorporation of different frequencies provides another variable for solving for attenuation or absorption despite unknown tissue stiffness. | 12-26-2013 |
| 20140066767 | SYSTEM AND METHOD FOR NOISE REDUCTION AND SIGNAL ENHANCEMENT OF COHERENT IMAGING SYSTEMS - A system and method of processing an ultrasound signal may include, in response to receiving a set of complex frequency samples of the ultrasound signal inclusive of content data and noise at a first noise level and being used to image an anatomical region of a body, resampling multiple subsets of complex frequency samples from the set of complex frequency samples. The resampled subsets of complex frequency samples may be resampled from a first domain into a second domain. The transformed resampled subsets of complex frequency samples may be combined in the second domain to produce a result signal with a second noise level reduced from the first noise level. An image derived from the result signal may be displayed. | 03-06-2014 |
| 20140249415 | METHOD FOR DETERMINING, IN REAL TIME, THE PROBABILITY THAT TARGET BIOLOGICAL TISSUE IS OPPOSITE AN ULTRASONIC TRANSDUCER - A method for determining, in real time, the probability that target biological tissue is opposite an ultrasonic transducer, the method including: transmitting, via an ultrasonic transducer, an ultrasonic signal into biological tissue; the ultrasonic transducer receiving the transmitted ultrasonic signal which has been backscattered by the biological tissue; calculating at least two instantaneous parameters of the backscattered ultrasonic signal; calculating a predictive value of the presence of an acoustic signature of target biological tissue, the predictive value being calculated via a statistical law using the at least two calculated instantaneous parameters; estimating the probability that the target biological tissue is opposite the ultrasonic transducer, the estimation depending on the calculated predictive value and/or on at least one strength condition based on at least one of the two calculated instantaneous parameters. | 09-04-2014 |
| 20140276058 | Fat Fraction Estimation Using Ultrasound with Shear Wave Propagation - Fat fraction is estimated from shear wave propagation. Acoustic radiation force is used to generate a shear wave in tissue of interest. The attenuation, center frequency, bandwidth or other non-velocity characteristic of the shear wave is calculated and used to estimate the fat fraction. | 09-18-2014 |
| 20140350403 | APPARATUS FOR PROCESSING ULTRASONIC IMAGE AND METHOD THEREOF - An ultrasonic imaging method includes emitting ultrasonic pulses in different directions and acquiring ultrasonic echo signals from an object, calculating an attenuation rate of the ultrasonic echo signals, correcting the acquired ultrasonic echo signals based on the attenuation rate, and outputting the corrected ultrasonic echo signals as an ultrasonic image. | 11-27-2014 |
| 20140371589 | SUBJECT INFORMATION OBTAINING APPARATUS - A subject information obtaining apparatus includes a shape detector configured to detect the shape of a holding member holding a subject and a shape controlling unit configured to control the shape of the holding member based on result of a detection by the shape detector. | 12-18-2014 |
| 20150065880 | ULTRASOUND DIAGNOSTIC DEVICE, SOUND VELOCITY DERIVATION METHOD AND PROGRAM - An estimated value of sound velocity of a subject interior is derived more stably and with higher accuracy. A phasing processing section provides, to each of received signals that were generated by piezoelectric elements respectively, respective delay times that were computed on the basis of each of plural set sound velocities, and phases the received signals per set sound velocity. A degree of similarity deriving section derives, for each of the set sound velocities, a degree of mutual similarity among received signals that were phased by the phasing processing section. An optimal set sound velocity deriving section derives, as an optimal set sound velocity, an estimated value of sound velocity of the subject interior on the basis of the degree of mutual similarity among the received signals of each of the set sound velocities. | 03-05-2015 |
| 20150297173 | QUANTITATIVE TRANSMISSION ULTRASOUND IMAGING OF TISSUE CALCIFICATIONS - Methods and systems for imaging calcium in a subject are provided. In one aspect a method for imaging one or more micron-sized calcium deposits in a tissue of a subject can include delivering a transmission ultrasound wave field from a transmission transducer array to a body part of a subject, receiving transmission data from the transmission ultrasound wave field at a transmission receiver array, delivering a reflection ultrasound wave field from a reflection transducer array to the body part of the subject, receiving reflection data from the reflection ultrasound wave field at a reflection receiver array, generating speed of sound data from the transmission data, and refraction correcting the reflection data using the speed of sound data to generate a corrected reflection image showing a micron-sized calcium deposit image. | 10-22-2015 |
| 20150297174 | METHOD OF CHARACTERIZING TISSUE OF A PATIENT - A method for characterizing tissue of a patient, including receiving acoustic data derived from the interaction between the tissue and the acoustic waves irradiating the tissue; generating a morphology rendering of the tissue from the acoustic data, in which the rendering represents at least one biomechanical property of the tissue; determining a prognostic parameter for a region of interest in the rendering, in which the prognostic parameter incorporates the biomechanical property; and analyzing the prognostic parameter to characterize the region of interest. In some embodiment, the method further includes introducing a contrast agent into the tissue; generating a set of enhanced morphology renderings of the tissue after introducing the contrast agent; determining an enhanced prognostic parameter from the enhanced morphology renderings; and analyzing the enhanced prognostic parameter. | 10-22-2015 |
| 20150297188 | SYSTEMS AND METHODS FOR ESTIMATING ACOUSTIC ATTENTUATION IN A TISSUE - Systems and techniques for estimating acoustic attenuation in a tissue from time-varying radiation force information generated through the application of acoustic energy to the tissue from at least first and second focal depths are provided. An exemplary technique includes acquiring first signals representing oscillatory motion of the tissue in response to the radiation force proximate the first focal depth, and acquiring second signals representing oscillatory motion of the tissue in response to the radiation force proximate the second focal depth. The technique further includes estimating the oscillatory motion of the tissue from each of the first and second signals, and estimating the acoustic attenuation in the tissue from the estimated oscillatory motion of the tissue from the first and second signals. | 10-22-2015 |
| 20160066891 | IMAGE REPRESENTATION SET - A computer implemented method, a computerized system and a computer program product for image representation set creation. The computer implemented method comprises obtaining an image of a subject, wherein the image is produced using an imaging modality. The method further comprises automatically determining, by a processor, values to an image representation set with respect to the image, wherein the image representation set consists of semantic representation parameters of the image according to the imaging modality and according to a clinical diagnosis problem that is ascertainable from the image, wherein a total number of combinations of values of the semantic representation parameters is below a human comprehension threshold; and determining a decision regarding the clinical diagnosis problem based on the values of the image representation set of the image. | 03-10-2016 |
| 20160074017 | ULTRASOUND OPTIMIZATION METHOD AND ULTRASONIC MEDICAL DEVICE THEREFOR - Some embodiments of the present disclosure provide an ultrasonic optimization method and an ultrasonic medical apparatus therefor. The ultrasonic optimization method and the ultrasonic medical apparatus therefor optimize a transmit parameter of an ultrasound or compensate for a receive parameter thereof according to subject (human body) features identified by analyzing an echo signal of an impulse transmitted to the subject. | 03-17-2016 |
| 20160089112 | Ultrasonic Imaging System with Angularly Compounded Acoustic Radiation Force Excitation - An ultrasound machine for generating push-pulses to excite shear wave stimulation employs separated angled beams that converge at the target region to generate the push-pulses. In one embodiment, the beams are modulated by a set of apodization functions to reduce side lobes caused by the narrowing of the apertures of the beam as well as transducer heating by reducing the average energy deposited in each transducer element | 03-31-2016 |
| 20160187473 | ULTRASONIC ADAPTIVE BEAMFORMING METHOD AND ITS APPLICATION FOR TRANSCRANIAL IMAGING - A method for ultrasonic imaging a volume behind a barrier includes placing an array of elements of a probe adjacent the barrier. The local thickness and the sound speed in the barrier are estimated. A plurality of sub-apertures are defined in the array of elements, each sub-aperture defined by a different sub-set of adjacent ones of the array of elements. Ultrasonic waveforms are collected from each of the sub-apertures by focusing each sub-aperture approximately at the inner surface of the barrier. The ultrasonic waveforms through each of the sub-aperture elements are combined to generate a combined A-mode waveform. A profile of an inner surface of the barrier adjacent the probe is extracted based upon the combined A-mode waveforms. A correction is calculated based upon the profile of the inner surface. The volume behind the barrier is scanned using beamforming based upon the correction to generate an image of the volume. | 06-30-2016 |
| 20190142367 | PATIENT INTERFACE SYSTEM | 05-16-2019 |
