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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8187187 | Shear wave imaging Shear wave imaging is provided in medical diagnostic ultrasound. A region is imaged to determine a location in which to calculate shear velocity. The shear velocity is estimated for the location. The imaging may guide the identification of the location, reducing the... | 05/29/2012 |
| 8187185 | Ultrasound diagnostic apparatus The present invention provides an ultrasound diagnostic apparatus capable of appropriately evaluating dynamic characteristics of a bone. The ultrasound diagnostic apparatus obtains an interpolated line 52a representing a bone surface shape based on ech... | 05/29/2012 |
| 8187186 | Ultrasonic diagnosis of myocardial synchronization An ultrasonic diagnostic imaging method and system are described for detecting abnormalities in the synchronicity of heart wall stimulation. Points on opposite sides of a chamber of the heart are identified in a starting ultrasound image, then tracked through at lea... | 05/29/2012 |
| 8167804 | Measurement of tissue elastic modulus An optimized elastic modulus reconstruction procedure can estimate the nonlinear elastic properties of vascular wall from intramural strain and pulse wave velocity (PWV) measurements. A noninvasive free-hand ultrasound scanning procedure is used to apply external fo... | 05/01/2012 |
| 8162834 | Hemoglobin contrast in ultrasound and optical coherence tomography for diagnosing diseased tissue, cancers, and the like A novel contrast mechanism for diagnosing diseased tissue using Ultrasound, Doppler Ultrasonography, Optical Coherence Tomography, or optical Doppler tomography coupled with an externally applied temporally oscillating high-strength magnetic field. ... | 04/24/2012 |
| 8147410 | Method and apparatus for ultrasound imaging and elasticity measurement A method for performing ultrasound imaging and elasticity measurement, the method includes scanning an object to obtain a B-mode ultrasound image, selecting an A-mode signal from the B-mode ultrasound image, transmitting a high frame rate ultrasound signal, by a sel... | 04/03/2012 |
| 8137275 | Tissue complex modulus and/or viscosity ultrasound imaging Complex response of tissue is calculated as function of a convolution relationship associated with measured strain with applied stress. In the Fourier or frequency domain, the convolution is a simple algebraic computation, such as multiplication. The complex respons... | 03/20/2012 |
| 8133179 | Method of displaying an elastic image A method of displaying an elastic image, comprising: a) performing transmission/reception of an ultrasound signal along a plurality of scan lines set on a target object to obtain first ultrasound data, the target object including a plurality of tissues; b) performin... | 03/13/2012 |
| 8128564 | Apparatus and method for imaging shear modulus within a body An apparatus and method for imaging a shear modulus within a body is disclosed. A method for imaging a shear modulus in accordance with the present invention includes generating an elastic wave inside an object to be measured; detecting the elastic wave ongoing insi... | 03/06/2012 |
| 8109877 | Method for determining a position of an object utilizing and ultrasonic imaging device A system is disclosed for determining a position and a change in the position of an anatomical structure. The system utilizes a surgical navigation system and a substrate that is capable of being removably mounted to an outer surface of a patient's body. The substra... | 02/07/2012 |
| 8100831 | Direct strain estimator for measuring elastic properties of tissue Ultrasound data of a biological tissue is acquired in a relaxed state and a tensed state. A strain is estimated directly from the relaxed state ultrasound data and the tensed state ultrasound data by way of an imaginary part of a complex correlation function. In est... | 01/24/2012 |
| 8079957 | Synchronized three or four-dimensional medical ultrasound imaging and measurements Ultrasound imaging is synchronized with measurements. Generating three-dimensional representations is synchronized with measuring one or more parameters. For example, measurements are preformed based on navigating through a volume. The measurements are linked to the... | 12/20/2011 |
| 8057390 | High-resolution mapping of bio-electric fields A current source density mapping system includes an ultrasound transducer emitting an ultrasound wave traveling along an ultrasound beam directed at a mapping field in a region of living tissue and an ultrasound pulser delivering a transmit pulse to said ultrasound ... | 11/15/2011 |
| 8047990 | Collagen density and structural change measurement and mapping in tissue A method and system for two and three dimensional mapping of tissue density and/or structural changes from image data and/or spatial reflected or transmitted signal maps, and correlating the maps to changes in collagen density. The method and system includes the ste... | 11/01/2011 |
| 8043216 | Method of displaying elastic image and diagnostic ultrasound system To carry out objective or definitive diagnosis on the basis of an elastic image regardless of experience and proficiency, a method of displaying an elastic image includes the steps of measuring ultrasound cross-section data of a cross-section region of a subject by ... | 10/25/2011 |
| 8043217 | Method and apparatus to quantify specific material properties of objects using real-time ultrasound burst spectrography technique Real-time Ultrasound Burst Spectrography (RUBS) is a technique in which a target is stimulated using a specialized ultrasound burst signal delivered by an imaging or non-imaging ultrasound transducer and the frequency spectrum of the resulting response is analyzed a... | 10/25/2011 |
| 8029444 | Method for estimating tissue velocity vectors and tissue deformation from ultrasonic diagnostic imaging data A method is disclosed for estimating tissue velocity vectors and oriented strain from ultrasonic diagnostic imaging data. Reference points are defined from evaluation of image data derived from reflected ultrasonic beams in order to determine the direction of motion... | 10/04/2011 |
| 8016757 | Non-invasive temperature estimation technique for HIFU therapy monitoring using backscattered ultrasound Ultrasound data are collected from a thermal source and a mass of tissue before initiating therapy to measure two parameters of the bio-heat transfer equation (BHTE). The parameters are the thermal diffusivity (K) of the tissue and the magnitude of the thermal sourc... | 09/13/2011 |
| 8002707 | Apparatus which displays medical trend graph and related information An ultrasound diagnosis apparatus including an ultrasound probe, an image processor, a measurement processor, a graph processor, and a display. The ultrasound probe includes a plurality of piezoelectric transducers and is configured to insonify and receive an echo s... | 08/23/2011 |
| 7946987 | Ultrasonic diagnostic apparatus The present invention aims at providing an ultrasonic diagnostic apparatus capable of displaying a stable spatial distribution of elastic characteristics for each heart beat without depending on the measurement of blood pressure and the accuracy or stability of such... | 05/24/2011 |
| 7918794 | Method and system for determining total body fat, and method and system for determining body composition A method of determining the total body fat of a person comprising measuring a subcutaneous fat thickness at four points on the person's body, located in the right anterior part of the left mid-thigh, in the left anterior part of the right mid-thigh, in the right dor... | 04/05/2011 |
| 7905835 | Method for assessing mechanical properties of an elastic material A method for assessing mechanical properties of an elastic material includes obtaining volumetric ultrasound data sets of the elastic material in two different states of compression. First ultrasound image data of a first hypersurface region of interest (ROI) is sel... | 03/15/2011 |
| 7901356 | Ultrasonic bone assessment apparatus and method An invention is disclosed for locating a region of interest in the calcaneus. A pair of ultrasound transducers are positioned on the medial and lateral sides of the heel, respectively. The positioning is based on a size of a portion of the body of a subject upon who... | 03/08/2011 |
| 7901355 | Skin analysis apparatus including an ultrasound probe The present invention relates to an analysis apparatus for analyzing the skin, the which includes an ultrasound probe arranged to analyze the skin along an axis and a vibrator arranged to emit at least one shear wave to a region of the skin extending about the axis.... | 03/08/2011 |
| 7878976 | Method and system of thermoacoustic imaging with exact inversion The present invention is directed to a method and system of TCT imaging whereupon an exact inversion formula is used for reconstruction of TCT data. The present invention utilizes inversion formulae that are of the filtered backprojection and ρ-filter types. ... | 02/01/2011 |
| 7862510 | Ultrasonic bone assessment apparatus and method An apparatus and method for the assessment of various properties of bone is provided. A pair of ultrasound transducers are applied to skin on opposite sides of a bony member. The transducers may be single-element or array transducers. An ultrasound signal is generat... | 01/04/2011 |
| 7833160 | Blood viscosity measurement device A blood viscosity measurement device has a flow rate calculating section that calculates a flow rate of blood flowing through a blood vessel of a living body. An inner diameter calculating section calculates an inner diameter of the blood vessel. A blood pressure da... | 11/16/2010 |
| 7785259 | Detection of motion in vibro-acoustography Harmonic motion is produced in a subject using vibro-acoustography. An ultrasonic imaging system repetitively interrogates the subject and the Doppler shift in the reflected echo signals is analyzed to measure the phase and amplitude of harmonic motion produced in t... | 08/31/2010 |
| 7771356 | Ultrasound tympanoscope A system and method for examining a patient for an ear disorder. Reflectance ultrasound is applied to a portion of the ear to determine the presence of ear effusion in a middle ear. If ear effusion is present, motion of the tympanic membrane is induced and ultrasoun... | 08/10/2010 |
| 7766832 | Ultrasonic diagnostic device and image processing device A means to which at least two ROIs are input, a calculating means that calculates strain values of tissue with respect to the at least two ROIs by applying a pressure onto an object, and a display means that displays the strain values of the at least two ROIs so as ... | 08/03/2010 |
| 7753847 | Ultrasound vibrometry A method for measuring a mechanical property of a subject includes using an ultrasonic transducer to apply ultrasonic vibration pulses to a vibration origin in the subject in an on-off time sequence in order to impart a harmonic motion at a prescribed frequency to t... | 07/13/2010 |
| 7744535 | Method and apparatus for acoustoelastic extraction of strain and material properties An ultrasound machine processes ultrasonic data according to acoustoelastic properties of the materials to obtain strain information without specific assumptions with respect to the material properties of the measured material or a variety of different material prop... | 06/29/2010 |
| 7736315 | Method and apparatus providing improved ultrasonic strain measurements of soft tissue The variation in acoustic properties in soft tissues, such as biological tissues, as a function of strain may be modeled to improve elastographic measurements and to obtain direct measurements of strain or material properties and pre-stress. ... | 06/15/2010 |
| 7722538 | Conductance-imaging catheter and determination of cavitary volume Systems and methods for calibrating calculations based on catheter-originated measurements. One embodiment comprises a method for calibrating volume calculations for a fluid-filled cavity, such as a heart chamber. In this method, a first catheter configured to measu... | 05/25/2010 |
| 7713201 | Method and apparatus for shear property characterization from resonance induced by oscillatory radiation force A method for determining a shear elasticity and shear viscosity of a material based on resonance characteristics. A focused ultrasound wave is directed at the material to induce oscillations in the material, and a velocity of the material is measured. A spectrum of ... | 05/11/2010 |
| 7708692 | Ultrasonic diagnostic apparatus and method for controlling the same An ultrasonic diagnostic apparatus includes: a transmitting section for driving an ultrasonic probe sending out an ultrasonic transmitted wave toward a body tissue of an organism; a receiving section for receiving an ultrasonic reflected wave, produced by getting th... | 05/04/2010 |
| 7682310 | Method and related system for measuring intracranial pressure A method for measuring intracranial pressure in an intracranial area filled with micro-bubbles formed by an injected contrast agent includes: (1) emitting an ultrasound signal having a bandwidth to the intracranial area, (2) receiving an echoed signal from a micro-b... | 03/23/2010 |
| 7678051 | Panoramic elasticity ultrasound imaging Using compression, tissue elasticity data from two or more different fields of view is acquired. Since different amounts of compression may be used for the different fields of view, the dynamic range of the elasticity data is updated. A panoramic elasticity image is... | 03/16/2010 |
| 7632232 | Ultrasonic detection of ear disorders An apparatus and method for determining ear fluid viscosity. A transducer is operable to transceive a signal to interact with a fluid-containing portion of the ear. The viscosity of the fluid is determined using the transcieved signal. ... | 12/15/2009 |
| 7601120 | Method and device for the non-invasive assessment of bones A method for the in vivo non-invasive characterization of the material and architectural properties of a bone in which an ultrasonic wave is introduced into a bone in such way as to produce one or more guided wave modes within the bone, and the signals emerging from... | 10/13/2009 |
