Patent application number | Description | Published |
20080228075 | Combination Imaging and Therapy Transducer With Therapy Transducer Amplifier - A combined ultrasound imaging and therapy transducer ( | 09-18-2008 |
20080249409 | Method of Using a Combination Imaging and Therapy transducer to Dissolve Blood Clots - A combined ultrasound imaging and therapy transducer includes a linear array of imaging transducer elements. First and second linear arrays of therapy transducer elements extend longitudinally along respective first and second sides of the imaging transducer elements and are canted inwardly toward each other. The imaging and therapy transducer is used with an ultrasound imaging system to locate clots in a region of interest. After the region of interest has been perfused with a microbubble contrast agent, the therapy transducer elements are driven by an amplifier located in the transducer to dissolve the clot. The use of the imaging transducer elements and the therapy transducer elements can be interleaved so that the therapy can be conditioned on an ultrasound image showing substantial destruction of the contrast agent microbubbles, re-perfusion of microbubbles in the region of interest, or the continued presence of the clot. | 10-09-2008 |
20080319316 | Combination Imaging and Therapy Transducer - A combined ultrasound imaging and therapy transducer includes a linear array of imaging transducer elements. First and second linear arrays of therapy transducer elements extend longitudinally along respective first and second sides of the imaging transducer elements and are canted inwardly toward each other. The imaging and therapy transducer is used with an ultrasound imaging system to locate clots in a region of interest. After the region of interest has been perfused with a microbubble contrast agent, the therapy transducer elements are driven by an amplifier located in the transducer to dissolve the clot. The use of the imaging transducer elements and the therapy transducer elements can be interleaved so that the therapy can be conditioned on an ultrasound image showing substantial destruction of the contrast agent microbubbles, re-perfusion of microbubbles in the region of interest, or the continued presence of the clot. | 12-25-2008 |
20090124907 | Ultrasonic 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 for and identifies pixel or voxel regions where this early wash-in of contrast occurs and denotes these pixel or voxel locations in a parametric image. The pixel classifier analyzes pixel or voxel values from a sequence of images and identifies suspicious regions in an image by uniquely coding the points in a parametric liver image where early wash-in occurs. | 05-14-2009 |
20100056924 | CONTROL 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, termed inertial cavitation. Echo signals from microbubbles are bandpass filtered to produce signal components in a subharmonic band, indicative of stable cavitation, and signal component in a higher harmonic band indicative of inertial cavitation. Detection of the mode of cavitation is used to automatically or manually control the mode of cavitation by controlling the transmitted acoustic energy of the system. | 03-04-2010 |
20100160779 | ULTRASOUND SYSTEM FOR CEREBRAL BLOOD FLOW IMAGING AND MICROBUBBLE-ENHANCED BLOOD CLOT LYSIS - An ultrasonic diagnostic imaging system is described which utilizes one or more transducer arrays affixed to the head of a patient to diagnose and treat stroke victims. The transducer headset produces a two or three dimensional image of the vasculature inside the cranium, preferably assisted by a microbubble contrast agent. A vascular flow map is produced by the system which may be diagnosed for signs of a blood clot. If a blood clot is detected, a therapeutic beam is transmitted while the contrast agent is present to break up the blood clot by the disruption of microbubbles. The headset may also be used in a monitoring application to detect the recurrence of blood clots in a stroke victim. | 06-24-2010 |
20110263985 | Dual Path Color Doppler Imaging System and Method for Simultaneous Invasive Device Visualization and Vasculature Imaging - An ultrasound imaging system ( | 10-27-2011 |
20120143058 | PROPAGATION-MEDIUM-MODIFICATION-BASED REVERBERATED-SIGNAL ELIMINATION - Acquired echo data is corrected to reduce content from ultrasound that has undergone at least one reflection off the probe surface, for example, to reduce corresponding reverberation artefacts from imaging. In some embodiments, the propagation medium, i.e., layer or adjoining layers, through which the reverberation occurs, is, after a set of echo radiofrequency data ( | 06-07-2012 |