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Class 600/458 - Contrast enhancement


Subclass of Class 600 - Surgery
Definition: Subject matter wherein means are provided to intensify reflectivity
No. of applications: 128
Last issue date: 02/09/2012


1        
Application No.Application TitleIssue Date
20120035471Method and Devices for Sonographic Imaging
The present invention comprises methods and devices for generating and providing contrast medium for sonography of structures such as ducts and cavities. The invention provides for creation of a contrast medium comprising detectable acoustic variations between two phase...
02/09/2012
20110230765Motion Synchronized Destruction for Three-Dimensional Reperfusion Mapping in Medical Diagnostic Ultrasound Imaging
Destruction for reperfusion in medical diagnostic ultrasound is synchronized to motion. Perfusion data for a volume is acquired sequentially for different segments of the volume. For a given segment, such as a planar region, motion tracking within the segment is perform...
09/22/2011
20110208061ULTRASONIC LESION IDENTIFICATION USING TEMPORAL PARAMETRIC CONTRAST IMAGES
An ultrasonic diagnostic imaging system acquires a sequence of image data as a bolus of contrast agent washes into and out of a region of interest (ROI) which may contain a lesion. The image data of contrast intensity is used to compute a time-intensity curve at each po...
08/25/2011
20110190635ULTRASOUND SCANNER WITH GEL DISPENSER DEVICE ATTACHED TO OR INTEGRATED WITH AT LEAST ONE PROBE AND USE
The invention relates to an ultrasound scanner comprising a gel distributing device which is attached, or built into, at least one signal emitting probe. The ultrasound scanner is provided with a gel holder for gel used to transmit ultrasound waves for medical, paramedi...
08/04/2011
20110082374Method For Assessing Vascular Disease by Quantitatively Measuring Vaso Vasorum
A method and system for quantifying the extent of vaso vasorum with contrast enhanced ultrasound and correlating that quantitative value to the risk for vascular disease is provided. An ultrasound contrast agent is administered to a subject and images are obtained using...
04/07/2011
20110077524ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC CONTRAST IMAGING METHOD
Ultrasonic diagnostic arrangements (apparatus, methods, etc.) including: an ultrasonic probe or operation for transmitting an ultrasonic wave to an object to be tested and receiving an ultrasonic wave from the object; a transmitter or operation for pulse-driving the ult...
03/31/2011
20100312118Systems and Methods for Perfusion Enhanced Diagnostic Imaging
Systems and methods for enhancing diagnostic imaging by the means of increasing tissue perfusion and/or vasodilation, and thus, increasing imaging agent perfusion distribution and/or imaging agent uptake by tissue. The desired effects can be achieved by exposing the are...
12/09/2010
20100312117ULTRASONIC VISUALIZATION OF PERCUTANEOUS NEEDLES, INTRAVASCULAR CATHETERS AND OTHER INVASIVE DEVICES
An invasive medical device includes a fluid path of microbubbles which is imaged by ultrasound during use of the device. The fluid path extends through the device, preferably to the distal end of the device, so that the diffuse reflection of ultrasound from the microbub...
12/09/2010
20100298710THERAPY ASSESSMENT WITH ULTRASOUND CONTRAST AGENTS
An ultrasonic imaging apparatus and method are described for monitoring the progress of therapy for pathology such as lesions, tumors, and metastases by means of contrast agent imaging. A sequence of images are acquired as a bolus of contrast agent infuses the tissue co...
11/25/2010
20100298709METHOD FOR NONLINEAR IMAGING OF ULTRASOUND CONTRAST AGENTS AT HIGH FREQUENCIES
This invention employs multiple ultrasound pulse firings of either alternating phase and/or amplitude to detect nonlinear fundamental and subharmonic signals from microbubble contrast agents within living tissue, at high frequencies (≧15 MHz), e.g., with a linear arra...
11/25/2010
20100274135ULTRASONOGRAPHIC IDENTIFICATION OF A SENTINEL LYMPH NODE
A method of detecting at least one axillary sentinel lymph node using ultrasonography is described. The method comprises injecting an iron hydroxide compound into a patient at or near a suspected tumor site in the breast and waiting an amount of time required for the ir...
10/28/2010
20100256495SYSTEM AND METHOD FOR QUANTITATIVE 3D CEUS ANALYSIS
A method (50) for quantitative 3D contrast enhanced ultrasound (CEUS) analysis includes acquiring (54) an initial pair of ultrasound contrast and tissue images of an anatomy. A region of interest (ROI) or volume of interest (VOI) is established (56)...
10/07/2010
20100241001Ultrasound Methods, Systems and Computer Program Products for Imaging Fluids
Ultrasound systems for identifying a presence of injected fluid in a region of interest are provided. The ultrasound system includes a controller configured to obtain first and second image data sets of a region of interest from an ultrasound transducer array. A decorre...
09/23/2010
20100145196ULTRASOUND IMAGING METHOD COMBINED WITH THE PRESENCE OF CONTRAST MEDIA IN THE BODY UNDER EXAMINATION
An ultrasound imaging method for use in the presence of contrast agents is disclosed in which acoustic waves are transmitted at a fundamental transmission frequency and are focused on at least one scan line. Acoustic beams reflected from the body under examination and t...
06/10/2010
20100113933CHIRP REVERSAL ULTRASOUND CONTRAST IMAGING
The invention relates to a method for detecting and imaging ultrasound echo signals returned from a target object comprising microbubbles, said microbubbles being characterized by a resonance frequency, said method comprising the steps of irradiating said target object ...
05/06/2010
20100094133ULTRASOUND IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, DISPLAY APPARATUS, AND DISPLAY METHOD
An imaging part scans a predetermined site of a subject to which a contrast agent has been administered, with ultrasound waves, and thereby acquires plural frames of ultrasound image data. A contrast agent inflow detector detects the inflow of the contrast agent into ea...
04/15/2010
20100081893ACOUSTIC PALPATION USING NON-INVASIVE ULTRASOUND TECHNIQUES TO IDENTIFY AND LOCALIZE TISSUE ELICITING BIOLOGICAL RESPONSES AND TARGET TREATMENTS
Methods and systems for identifying and spatially localizing tissues having certain physiological properties or producing certain biological responses, such as the sensation of pain, in response to the application of intense focused ultrasound (acoustic probing or palpa...
04/01/2010
20100081938ULTRASONIC DIAGNOSTIC APPARATUS
An ultrasonic diagnostic apparatus includes a display device for displaying an ultrasonic image of a subject has been given a contrast medium, a setting device for setting a region of interest in an ultrasonic image displayed in the display device, and a computing devic...
04/01/2010
20100056924CONTROL AND DISPLAY OF ULTRASONIC MICROBUBBLE CAVITATION
An ultrasonic diagnostic imaging system is used to insonify a subject infused with a microbubble contrast agent. At low energy levels stable cavitation occurs as the bubbles oscillate radially without breaking up. At higher energy levels the bubbles dissolve or break up...
03/04/2010
20100036255ULTRASOUND DIAGNOSTIC APPARATUS
A signal generation unit 10 generates, and sends to a transmission circuit 12, a driving signal for forming a transmission pulse. A probe 14 is transmission controlled to transmit ultrasound at a transmission frequency which is set using, as a refer...
02/11/2010
20100022887Method for imaging intracavitary blood flow patterns
A method for identifying blood flow patterns based on contrast-enhanced ultrasound imaging and, in particular, echocardiography. The method includes indicating a blood flow type in the cavity through which imaged blood is flowing by correlating the identified blood flow...
01/28/2010
20100010342Tissue site markers for in vivo imaging
The invention is directed biopsy site markers and methods of marking a biopsy site, so that the location of the biopsy cavity is readily visible by conventional imaging methods, particularly by ultrasonic imaging. The biopsy site markers of the invention have high ultra...
01/14/2010
20090312637ULTRASOUND MONITORING AND FEEDBACK FOR MAGNETIC HYPERTHERMIA
A method and system of magnetic hyperthermia control using ultrasound thermometry, the method comprising: acquiring a reference set of ultrasound data corresponding to a tissue of interest (121); applying a plurality of magnetic nanoparticles (210) at the ...
12/17/2009
20090306514ULTRASOUND IMAGING APPARATUS AND METHOD FOR DISPLAYING ULTRASOUND IMAGE
An imaging part acquires a plurality of ultrasound image data by sequentially imaging the subject with ultrasound waves. A display controller causes a display to display, side by side, a plurality of ultrasound images based on the plurality of ultrasound image data acqu...
12/10/2009
20090299190Ultrasound Molecular Sensors and Uses Thereof
The present invention relates to the use of polymers as contrast agents for ultrasounds. The idea is to have a molecular imprint in the polymer that is specific for a given molecule or analyte. When that molecule binds to the polymer it induces a conformational change t...
12/03/2009
20090299191Extravasation Detection In An Ultrasound System
Embodiments for detecting extravasation in an ultrasound system are disclosed. The ultrasound system includes a Tx/Rx unit to transmit an ultrasound beam to a target object and receive ultrasound echoes reflected from the target object to thereby output receive signals....
12/03/2009
20090299189DUAL-FREQUENCY ULTRASOUND IMAGING OF CONTRAST AGENTS
A method and system for imaging a tissue having contrast agents dispersed therein by exciting nonlinear response of the contrast agents using dual-frequency ultrasound, including transmitting a dual-frequency ultrasound to a target zone having the contrast agents disper...
12/03/2009
20090299182ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC IMAGE DISPLAY METHOD
An ultrasonic diagnostic apparatus preferable for creating a sharper image from the signal originating from contrast medium and the signal originating from biological tissues and an ultrasonic image display method are provided.

The ultrason...

12/03/2009
20090270733ULTRASONIC IMAGING APPARATUS AND METHOD
An ultrasonic imaging method using an ultrasonic probe for applying a first ultrasonic beam to a first region of three-dimensional region of a subject with a contrast agent administered thereto and acquiring three-dimensional tomographic image information for the first ...
10/29/2009
20090234231Imaging Catheter With Integrated Contrast Agent Injector
Described herein are systems and methods that integrate the injection of contrast agents with imaging catheters. In an embodiment, an imaging catheter comprises a catheter sheath and an imager, e.g., ultrasound transducer. The imaging catheter further comprises a contra...
09/17/2009
20090227872METHOD AND APPARATUS FOR SUB-HARMONIC CONTRAST IMAGING
A non-linear response may be measured by transmitting a first pulse at an amplitude and transmit frequency, using an aperture having N elements. A first response is measured at a sub-harmonic frequency based on the transmit frequency. At least second and third pulses ar...
09/10/2009
20090204003TRACKING SELECTION FOR MEDICAL DIAGNOSTIC ULTRASOUND IMAGING
Data is captured for different contrast agent perfusion imaging options. For example, two different maximum intensity projection (MIP) combinations of frames are formed during scanning, one with motion correction and one without. As another example, the component frames...
08/13/2009
20090187103Contrast agent destruction effectiveness determination for medical diagnostic ultrasound imaging
The effectiveness of contrast agent destruction is determined. Locations of ineffectively destroyed contrast agents are identified. The response from undestroyed contrast agents may be distinguished from response from tissue due to saturation or from rapid perfusion. Th...
07/23/2009
20090187107ULTRASONIC DIAGNOSTIC APPARATUS AND CONTROL PROGRAM THEREOF
A transmission/reception unit executes first ultrasonic transmission using a sound pressure that does not substantially destroy the contrast medium bubbles and is required to obtain an ultrasonic image of the subject and a second ultrasonic transmission using a sound pr...
07/23/2009
20090187106Synchronized combining for contrast agent enhanced medical diagnostic ultrasound imaging
Contrast agent enhanced medical diagnostic imaging is provided. Frames of data from common phase periods are grouped. Motion correction is performed within each common phase group. An image representing contrast agents is formed from a combination of the frames within e...
07/23/2009
20090187100Method for Imaging Intracavitary Blood Flow Patterns
Heart diseases are detected by producing a series of ultrasound images that depict the blood flow pattern in the left ventricle at successive phases of the cardiac cycle. The blood flow pattern images are produced by injecting a diluted contrast agent and tracking the c...
07/23/2009
20090171215ULTRASONIC IMAGING APPARATUS
An ultrasonic imaging apparatus includes an image obtaining unit for irradiating an imaging region in a subject to which a contrast agent is injected with an ultrasonic wave and obtaining tomographic image information that draws the imaging region, an input unit for inp...
07/02/2009
20090124907Ultrasonic Diagnostic Imaging System and Method for Detecting Lesions of the Liver
Significant liver growths such as HCC lesions are detected during a contrast agent ultrasound exam by their early reception of contrast and brightening following a bolus injection, as compared with surrounding normal tissue and benign growths. A pixel classifier looks f...
05/14/2009
20090124908Method And Apparatus For Detecting Ultrasound Contrast Agents In Arterioles
A method and apparatus for ultrasound imaging of microbubbles of a contrast agent in arterioles while all microbubbles of the contrast agent have been eliminated in the capillaries of a patient and tissue signal response to ultrasound imaging is suppressed. This method ...
05/14/2009
20090112097ULTRASOUND IMAGING APPARATUS AND ULTRASOUND IMAGING METHOD
An ultrasound imaging apparatus includes: an image acquisition unit for emitting ultrasound waves to a subject administered with a contrast agent and for obtaining a B-mode image of the subject; an image memory unit for storing a plurality of B-mode images, obtained by ...
04/30/2009
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