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| Number | Title | Issue Date |
| 8092389 | Enhanced intraluminal flow measurement system using reference and combined signals An enhanced intraluminal flow measurement system and method is conducive for a low-power ultrasonic system that can use continuous-wave (CW) Doppler sensing and wireless RF telemetry. Applications include measurement of blood flow in situ in living organisms. Implem... | 01/10/2012 |
| 8075488 | Ultrasound diagnosis and treatment apparatus The invention provides apparatus and methods for semi-automatic or automatic imaging or treatment of occlusions in vessels using pulsed or unpulsed focussed sound waves, preferably ultrasound, in Doppler technology. The apparatus comprises at least one sound transdu... | 12/13/2011 |
| 8070684 | Method and system for evaluating valvular function A method and apparatus for enhancing evaluation of valvular function in terms of regurgitation is described. The techniques include a method and apparatus for monitoring flow across a valve and evaluating regurgitation through the valve. An ultrasound scanner with D... | 12/06/2011 |
| RE42803 | Ultrasonic method, system, and device for diagnosis of stroke A medical diagnostic method, system and related equipment particularly adapted to diagnose disorders of the blood circulation serving the head and neck, and especially the brain. A preferred use of the system is early, rapid, accurate, diagnosis of stroke, especiall... | 10/04/2011 |
| 7946990 | Ultrasound color flow imaging at high frame rates A method is provided to improve the frame-rate in color-flow ultrasound imaging using simultaneous spatially-distinct transmit beams with one or more frequency bands per transmit beam. Pulses of different center frequencies are used simultaneously in different (late... | 05/24/2011 |
| 7931594 | Regional anesthetic method and apparatus A system and method for regional anesthesia using ultrasound to assist in locating the anesthetic needle are disclosed. One or more piezo-electric crystal transducers is placed either at the tip of the needle or near the tip of the needle on a stylet which is insert... | 04/26/2011 |
| 7837625 | Ultrasonic image processor and ultrasonic diagnostic instrument In a tissue tracking imaging (TTI) method, a velocity distribution image from which a translation velocity component or a rotation velocity component resulting from movement of a body, etc. is removed is generated every time phase. By tracking a predetermined positi... | 11/23/2010 |
| 7806826 | Method and apparatus for eliminating abnormal blood flow velocities in a color flow image A method for eliminating abnormal blood flow velocities in an ultrasonic imaging system is provided in present invention. The method comprises: receiving signals of blood flow; pre-processing the received signals to generate velocity signs in real time; obtaining a ... | 10/05/2010 |
| 7789835 | Methods and systems for determining cardiac output based on a valve cross sectional area estimate Described herein are systems and methods for determining the cardiac output of a patient. One such method includes measuring the patient's height and the velocity time integral or stroke distance of blood flowing from the heart of the patient, and subsequently utili... | 09/07/2010 |
| 7771358 | System and method for grading microemboli monitored by a multi-gate doppler ultrasound system Systems and methods for grading signals from microemboli in blood flow monitored using a Doppler ultrasound system. Signals from microemboli in blood flow are graded by calculating a value related to a power for the signals from microemboli in blood flow and categor... | 08/10/2010 |
| 7682311 | Phase unwrapped velocity display for ultrasound medical imaging Phase unwrapping is applied to velocity data to remove aliasing artifacts. Phase unwrapping is applied on multidimensional regions of velocity data. The unwrapped velocity image is displayed. The displayed image may have high sensitivity to slow motion but may also ... | 03/23/2010 |
| 7604599 | Systems and methods for using dynamic vascular assessment to improve vascular stent placement, application, design and marketing The invention relates to systems and methods for assessing blood flow in single or multiple vessels and segments, for assessing vascular health, for conducting clinical trials, for screening therapeutic interventions for effect, for assessing risk factors, for evalu... | 10/20/2009 |
| 7591787 | Method for removing Doppler angle ambiguity A method of measuring blood flow including several steps. In an initial step a first ultrasound beam is oriented in a direction substantially perpendicular to the direction of the blood flow to be measured. Next, the Doppler spectrum obtained from the backscattered ... | 09/22/2009 |
| 7588538 | Ultrasonic diagnostic equipment and image processing apparatus After the establishment of the saturation state of a contrast medium which has flowed into a subject for scanning inside a patient given the contrast medium, scan is performed under a high acoustic pressure adapted to break the bubbles of the contrast medium, so as ... | 09/15/2009 |
| 7537568 | Doppler ultrasound method and apparatus for monitoring blood flow A pulse Doppler ultrasound system and associated methods are described for monitoring blood flow. A graphical information display includes simultaneously displayed depth-mode and spectrogram displays. The depth-mode display indicates the various positions along the ... | 05/26/2009 |
| 7534209 | Device and method for mapping and tracking blood flow and determining parameters of blood flow Provided herein is a method for use in medical applications that permits affordable three-dimensional imaging of blood flow using a low-profile easily-attached transducer pad, real-time blood-flow vector velocity, and long-term unattended Doppler-ultrasound monitori... | 05/19/2009 |
| 7513871 | Blood flow analysis system A portable apparatus for conveying blood flow parameters to a user, the apparatus comprising: a transducer device for providing for Doppler monitoring of flows within a patient; a processing unit interconnected to the transducer unit and adapted to extract a blood f... | 04/07/2009 |
| 7503896 | Method and apparatus for the noninvasive assessment of hemodynamic parameters including blood vessel location A method and apparatus for determining the mean arterial blood pressure (MAP) of a subject during tonometric conditions. In one embodiment, the apparatus comprises one or more pressure and ultrasound transducers placed over the radial artery of a human subject's wri... | 03/17/2009 |
| 7425198 | Method and apparatus for automatic location of blood flow with Doppler ultrasound A method and apparatus for combining therapeutic pulsed or continuous-wave ultrasound with diagnostic pulsed ultrasound are described. In both a therapeutic mode and in a diagnostic mode, the ultrasound is administered from a single probe to a patient suffering from... | 09/16/2008 |
| 7374539 | Method and apparatus for predicting material hypertension during pregnancy using coherence analysis of material and fetal blood velocity waveforms An embodiment of a method of predicting maternal hypertension during pregnancy is disclosed. The method may include measuring a maternal blood velocity waveform and measuring a fetal blood velocity waveform. The method may further include the calculation of a cohere... | 05/20/2008 |
| 7371219 | Ultrasound diagnosis apparatus operable in doppler mode An ultrasound diagnosis apparatus includes a probe, a controller, a processor, and an output unit. The probe is configured to perform an interleaving scan in Doppler groups of ultrasound beam directions so as to acquire first and second Doppler-mode image frames. Th... | 05/13/2008 |
| 7372983 | Method for automatic branch labeling The present invention relates to a method of analyzing an object data set in which a tubular structure having a plurality of branches and bifurcations occurs, wherein the object data set assigns data values to positions in a multi-dimensional space, which data value... | 05/13/2008 |
| 7347820 | Phased array acoustic system for 3D imaging of moving parts The invention relates to an ultrasound phased array imaging system comprising: probe (10) with a 2-D array of transducer elements (12) for acquiring 3-D ultrasound data of a volume of a body, including moving tissue and fluid flow; a beamforming system... | 03/25/2008 |
| 7343031 | Method of tracking position and velocity of objects' borders in two or three dimensional digital images, particularly in echographic images A method of tracking position and velocity of objects' borders in two or three dimensional digital images, particularly in echographic images. A sequence is acquired of at least two consecutive ultrasound image frames of a moving tissue or a moving object. The frame... | 03/11/2008 |
| 7341562 | Modulation and analysis of cerebral perfusion in epilepsy and other neurological disorders A system including an implantable neurostimulator device capable of modulating cerebral blood flow to treat epilepsy and other neurological disorders. In one embodiment, the system is capable of modulating cerebral blood flow (also referred to as cerebral perfusion)... | 03/11/2008 |
| 7338447 | Blood flow oxygen measurement system and method An apparatus for measuring physiologic tissues perfusion information including: a first device producing a first output indicative of blood flow of a patient; a second device producing a second output indicative of oxygen content of the blood; and a processor combin... | 03/04/2008 |
| 7338449 | Three dimensional locator for diagnostic ultrasound or medical imaging A location within a volume is determined from medical images. A region of interest or other location is examined from two different viewing directions. The user or processor indicates the region or point of interest in each of the different images. The desired point... | 03/04/2008 |
| 7338450 | Method and apparatus for performing CW doppler ultrasound utilizing a 2D matrix array An ultrasound system is provided comprising an ultrasound probe having a 2D matrix of transducer elements transmitting a continuous wave (CW) Doppler transmit signal into an object of interest. The CW transmit signal includes a dither signal component and the probe ... | 03/04/2008 |
| 7338452 | Ultrasonic diagnostic apparatus and method An ultrasonic diagnostic system according to the present invention has an ultrasonic transducer mounted on a catheter, an instantaneous distortion value calculator which calculates an instantaneous distortion value at the location to be evaluated in the blood vessel... | 03/04/2008 |
| 7331928 | Ultrasonic doppler bloodstream measurement device The present invention is for an ultrasonic Doppler blood flow measurement device with which high-speed computation is possible, even when a memory having the characteristic of different read/write speeds in the row direction and the column direction is used for the ... | 02/19/2008 |
| 7320675 | Method and apparatus for modulating cellular metabolism during post-ischemia or heart failure A drug delivery system detects a cardiac condition indicative of a need for increasing a cardiac metabolic level and, in response, releases a drug into tissue or blood to shift a source of metabolically synthesized energy fueling cardiac contraction from fatty acid ... | 01/22/2008 |
| 7313260 | Controlling thick-slice viewing of breast ultrasound data An adjunctive ultrasound mammography system and associated methods are described in which an ultrasound image being displayed near an x-ray mammogram image may be superimposed thereon or thereunder by a user for facilitating rapid comprehension of breast structures ... | 12/25/2007 |
| 7309313 | Vascular disease examining system and bypass vascular diagnosing device Disclosed are a vascular disease examination system capable of examining and diagnosing vascular diseases such as arterial obliteration by determining the feature quantities of blood flow velocity waveforms or blood pressure waveforms or blood flow rates, and a bypa... | 12/18/2007 |
| 7302850 | Ultrasonic diagnostic apparatus and image processing apparatus An ultrasonic diagnostic apparatus that performs high acoustic pressure and low acoustic pressure ultrasonic transmissions by switching at predetermined timing in the enhanced ultrasonography, and displays concurrently a replenishment image obtained through the low ... | 12/04/2007 |
| 7300414 | Transcranial ultrasound thrombolysis system and method of treating a stroke A method of transcranial ultrasound thrombolysis comprises the steps of providing a predetermined level of ultrasonic energy substantially throughout a primary treatment zone encompassing the M1 branch and M2 branches of the middle cerebral artery of an individual. ... | 11/27/2007 |
| 7295879 | Double helical antenna assembly for a wireless intravascular medical device A medical device, such as a cardiac pacing device for an animal, includes an intravascular antenna that has a first coil for engaging a wall of a first blood vessel to receive a radio frequency signal. The first coil includes a first winding wound helically in a rot... | 11/13/2007 |
| 7291111 | Apparatus and method for non-invasive diagnosing of coronary artery disease A non-invasive diagnostic tool and method for detecting an obstruction in a coronary artery, the diagnostic tool including a signal processor adapted to receive signals corresponding to a heart beat from a plurality of acoustic sensors attached to the chest of a pat... | 11/06/2007 |
| 7288068 | Automatic optimization for ultrasound medical imaging Methods and systems are provided for automatic optimization for ultrasound medical imaging. In one approach, velocity values are unwrapped to avoid aliasing artifacts. Multi-dimensional phase unwrapping is applied to the velocity data. The unwrapped velocity informa... | 10/30/2007 |
| 7270635 | Flow-rate conservative doppler estimate A new method is introduced to evaluate the flow through a constriction based on Doppler data and the principle of mass conservation. This principle, properly inserted within a combination of data rearrangements allows the extraction of the complete velocity field an... | 09/18/2007 |
| 7267650 | Ultrasound directed guiding catheter system and method A guiding catheter system employs a flexible shaft having a preformed bend at a distal end. An ultrasound transducer is mounted proximal to the pre-formed bend. The ultrasound transducer has a field of view directed to a distal tip of the guiding catheter. The guidi... | 09/11/2007 |
