Patent application number | Description | Published |
20080262348 | ULTRASONIC DIAGNOSTIC APPARATUS AND CONTROL METHOD THEREOF - An ultrasonic diagnostic apparatus generates volume data by performing three-dimensional scan of a three-dimensional region with an ultrasonic wave. An input unit sets or changes at least one of a plurality of correlated scan conditions for the three-dimensional scan. A determination unit determines the other scan conditions of the plurality of scan conditions on the basis of at least one scan condition that is set or changed. A display unit displays at least one of the set or changed scan condition and the determined scan conditions. | 10-23-2008 |
20080267482 | ULTRASONIC IMAGE PROCESSING APPARATUS AND ULTRASONIC IMAGE PROCESSING METHOD - Three slices, i.e., Basal, Mid, and Apical slices, which correspond to clinically useful ASE segmentation are designated, and the positions of the three slices are tracked through at least one cardiac cycle by performing three-dimensional speckle tracking in the remaining time phases. Three C-mode projection images concerning the tracked positions are reconstructed. In addition, arbitrary myocardial wall motion parameters at the tracked positions are computed and displayed upon being superimposed on C-mode images or projected/displayed on a polar map. As a C-mode projection image method, one of the following techniques can be used detecting and projecting only movement components perpendicular to slices determined in an initial time phase, detecting and projecting average movement components of the respective walls, and tracking and projecting each myocardial position. The obtained C-mode images are simultaneously displayed together with markers indicating the positions of long-axis images and C-mode images. | 10-30-2008 |
20080317316 | ULTRASONIC IMAGE PROCESSING APPARATUS AND METHOD FOR PROCESSING ULTRASONIC IMAGE - Obtains the position of each of points composing the contour of a specific tissue shown in ultrasonic image data having been acquired at each time phase by pattern matching for each time phase. Obtains motion information of each of parts composing the specific tissue based on the position of each of the points composing the contour. For each time phase, obtain the differential value of the motion information of each of the parts by differentiating the motion information of each of the parts by time, and normalizes the differential value of the motion information. Assigns a color corresponding to the magnitude of the normalized differential value of the motion information to each of the parts displays an ultrasonic image at each time phase and furthermore display each of the parts of the specific tissue shown in the ultrasonic image of each time phase in the assign color. | 12-25-2008 |
20090024031 | ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC DIAGNOSTIC METHOD - An ultrasonic diagnostic apparatus includes an ultrasonic transmission/reception unit and an image generating unit. The ultrasonic transmission/reception unit transmits a first ultrasonic pulse having a maximum amplitude in a positive pressure, a second ultrasonic pulse having a maximum amplitude in a negative pressure and a third ultrasonic pulse derived by compounding the first ultrasonic pulse with the second ultrasonic pulse into an object in which a contrast medium is injected and obtains first, second and third reception echoes corresponding to the first, second and third ultrasonic pulses respectively. The image generating unit generates a compounded signal which is a nonlinear component from the contrast medium by a linear calculation of the first, second and third reception echoes and generates image data of the object by using the compounded signal. | 01-22-2009 |
20090060306 | ULTRASONIC IMAGE PROCESSING APPARATUS AND A METHOD FOR PROCESSING AN ULTRASONIC IMAGE - A contour specifying part receives volume data representing a subject acquired by transmission of ultrasonic waves to the subject, and specifies a 3-dimensional contour of a myocardium based on the volume data. A forming part sets a reference point on the contour of the myocardium, and forms an image generation plane including a plane substantially orthogonal to the contour of the myocardium at the reference point. An image generator generates image data on the image generation plane based on the volume data. A display controller controls a display to display an image based on the image data. | 03-05-2009 |
20090112088 | ULTRASONIC DIAGNOSTIC APPARATUS, IMAGE DATA GENERATING APPARATUS, ULTRASONIC DIAGNOSTIC METHOD AND IMAGE DATA GENERATING METHOD - An ultrasonic diagnostic apparatus includes a displacement measuring unit, a motor information measuring unit, a comparison parameter calculation unit and a parameter image data generating unit. The displacement measuring unit two-dimensionally measures displacements of a myocardial tissue in pieces of ultrasonic image data adjacent in time direction. The motor information measuring unit measures strains and strain rates of the myocardial tissue based on the displacements as motor information. The comparison parameter calculation unit calculates comparison parameters based on the strain rates, or the strains and strain rates. The parameter image data generating unit generates parameter image data using the comparison parameters. | 04-30-2009 |
20090204000 | ULTRASONIC DIAGNOSTIC APPARATUS - An ultrasonic diagnostic apparatus includes an image creating unit configured to create an image of an affected area and an image of a puncture needle inserted into a subject by means of an ultrasonic scanning operation, and a monitor configured to display the image of the affected area and the image of the puncture needle created by the image creating unit, wherein the image creating unit displays a tissue expected to be extracted from the affected area as an image on the monitor before the puncture needle is inserted into the affected area. | 08-13-2009 |
20090270732 | ULTRASOUND IMAGING APPARATUS AND METHOD FOR PROCESSING ULTRASOUND IMAGE - In time phases except a first time phase, a contour tracking part tracks the position of a region of interest based on image data acquired in each of the time phases. A re-tracking part receives correction of the position of the region of interest in a second time phase, and obtains the position of the corrected region of interest in and after the second time phase based on the image data acquired in and after the second time phase. From position information of the region of interest in and before the second time phase and position information of the corrected region of interest in and after the second time phase, a position calculator obtains position information of the region of interest in all the time phases. A computing part obtains motion information of a tissue within the region of interest based on the position information of the region of interest. | 10-29-2009 |
20090306508 | ULTRASONIC DIAGNOSTIC APPARATUS - An ultrasonic diagnostic apparatus disclosed herein comprises an ultrasonic probe which generates an ultrasonic beam, a volume data set collecting unit which collects a plurality of volume data sets corresponding to a plurality of three-dimensional scan ranges via the ultrasonic probe, the plurality of three-dimensional scan ranges partly overlapping one another, a region of interest setting unit which sets, in accordance with a user instruction, a region of interest on a first tomogram generated from particular one of the plurality of volume data sets, a tomogram generating unit which generates the first tomogram from the particular volume data set and also generates a second tomogram associated with a section including the region of interest from another volume data set corresponding to the three-dimensional scan range including the region of interest, and a display unit which displays the first tomogram and the second tomogram. | 12-10-2009 |
20090318803 | ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC IMAGE PROCESSING APPARATUS, AND MEDICAL IMAGE PROCESSING APPARATUS - A plurality of strain gauges defined by gauge endpoints are set in each time phase using motion vector information of tissue, and a three-dimensional strain gauge image in which each strain gauge is disposed at a three-dimensional position corresponding to, for example, an ultrasonic image in each time phase is generated and displayed. Moreover, an MPR image is set on volume data and is displayed in a predetermined form in a state where gauge coordinates are projected thereon. | 12-24-2009 |
20100041992 | ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC IMAGE DISPLAY APPARATUS, AND MEDICAL IMAGE DIAGNOSTIC APPARATUS - When displaying a plurality of images in different conformations in relation to information of a tissue motion typified by a heart wall motion, support information which is used to rapidly and easily visually confirm a relative positional correspondence relationship between an MPR image, a polar mapping image, and a three-dimensional image is generated and displayed. A marker indicative of a desired local position is set and displayed as required. Further, a position corresponding to the set or changed marker may not be present on the MPR image. In such a case, the MPR image always including a position corresponding to the set or changed marker is generated and displayed by automatically adjusting a position of an MPR cross section. | 02-18-2010 |
20100195887 | MEDICAL IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, ULTRASONIC IMAGING APPARATUS, ULTRASONIC IMAGE PROCESSING APPARATUS AND METHOD OF PROCESSING MEDICAL IMAGES - Based on medical image data acquired in each time phase included in a one-cycle interval, first tracking part tracks the position of a first region of interest set in a first time phase in each time phase and tracks the position of a second region of interest set in a second time phase in each time phase. Based on position information of the first region of interest and the second region of interest in each time phase, position correction part obtains position information of a region of interest in each time phase so that it passes through the position of the first region of interest in the first time phase and the position of the second region of interest in the second time phase. Motion-information calculator obtains motion information of a tissue based on the obtained position information. | 08-05-2010 |
20100198071 | ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC IMAGE PROCESSING APPARATUS, MEDICAL IMAGE DIAGNOSTIC APPARATUS, AND MEDICAL IMAGE PROCESSING APPARATUS - Position coordinate information of each point three-dimensionally forming a tissue corresponding to a diagnosis target at each time phase is obtained, a quantitative value for evaluating the movement of the tissue corresponding to the diagnosis target is calculated by using the position information, and the result is output in a predetermined form. Accordingly, since the quantitative value for evaluating the movement is calculated by using the three-dimensional position coordinate information without converting wall movement information obtained by a three-dimensional tracking process into two-dimensional information, it is possible to provide medical information with a higher degree of precision. | 08-05-2010 |
20100198072 | ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC IMAGE PROCESSING APPARATUS, MEDICAL IMAGE DIAGNOSTIC APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, ULTRASONIC IMAGE PROCESSING METHOD, AND MEDICAL IMAGE PROCESSING METHOD - In the case where a tracking process of a moving tissue performing a contraction movement and an expansion movement and represented by a cardiac wall is performed for one heartbeat from the ED | 08-05-2010 |
20100305445 | ULTRASONIC DIAGNOSIS APPARATUS AND DISPLAYING METHOD - According to one embodiment, an ultrasonic diagnosis apparatus includes a display unit to display an ultrasonic image, a comparison unit to compare the signal/echo intensity of a cardiac chamber portion of an ultrasonic image with the signal/echo intensity of a myocardial portion of the image, and an indication generating unit to generate a specific indication at a time point when the signal/echo intensity of the cardiac chamber portion changes from a higher value to a lower value than the signal/echo intensity of the myocardial portion or at another time point with reference to the time point. | 12-02-2010 |
20110190634 | ULTRASONIC DIAGNOSTIC APPARATUS AND MEDICAL IMAGE PROCESSING APPARATUS - In general, according to one embodiment, an ultrasonic diagnostic apparatus includes an image generating unit configured to generate medical images from a multislice which covers an area including the heart of an object. Each slice is almost perpendicular to the long axis of the heart. Each medical image is a short-axis image of the heart. A series of medical images captured at different times correspond to each slice. The embodiment generates a polar map associated with myocardial motion indices from a plurality of medical images. A polar map is segmented into segments. The embodiment calculates the average value of motion indices for each segment. The utility of an average value depends on the range covered by each segment. This embodiment matches the boundary of a segment with the position of a vein. This prevents a deterioration in the utility of average values due to the influences of veins. | 08-04-2011 |
20110319761 | ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC IMAGE PROCESSING APPARATUS - According to one embodiment, an ultrasonic diagnostic apparatus comprises a data acquisition unit configured to scan a region which includes at least part of a heart of an object and acquire ultrasonic data associated with the region, a curve acquisition unit configured to acquire temporal change curves of a wall motion parameter associated with a plurality of regions of the heart by using the ultrasonic data associated with the region to be scanned and a value acquisition unit configured to acquire an index value associated with cardiac wall motion by calculating a difference value of the wall motion parameter of two arbitrary regions, of the plurality of regions of the heart, at each phase in an analysis period by using temporal change curves associated with the two arbitrary regions, calculating a total sum of the difference values in the analysis period, and normalizing the total sum with a predetermined value. | 12-29-2011 |
20120165674 | ULTRASOUND DIAGNOSIS APPARATUS, IMAGE PROCESSING APPARATUS, AND IMAGE PROCESSING METHOD - According to one embodiment, an ultrasound diagnosis apparatus includes a motion information generating unit and a control unit. The motion information generating unit generates first motion information on cardiac wall motion of at least one of a left ventricle and a left atrium and second motion information on cardiac wall motion of at least one of a right ventricle and a right atrium, on the basis of a first volume data group and a second volume data group; generates first correction information and second correction information by correcting the first motion information and the second motion information such that the first motion information and the second motion information are substantially synchronized with each other, and generates a motion information image in which the first correction information and the second correction information are arranged along the time axis. The control unit controls to display the motion image information. | 06-28-2012 |
20130184583 | ULTRASONIC DIAGNOSTIC APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, AND MEDICAL IMAGE PROCESSING METHOD - According to one embodiment, a ultrasonic transmission/reception unit transmits/receives ultrasonic waves to/from a subject through the ultrasonic probe and generates an echo signal relating to a scan surface. An image generation unit generates an ultrasonic image relating to the scan surface based on the echo signal. A filter executes filter processing with respect to the ultrasonic image and extracts image constituent elements. A feature information generation unit generates feature information indicative of an amount of change in number of the extracted image constituent elements with respect to a change in characteristics of the filter. | 07-18-2013 |
20140100461 | ULTRASONIC DIAGNOSTIC APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, AND MEDICAL IMAGE PROCESSING METHOD - An ultrasonic diagnostic apparatus according to an embodiment comprises a data acquisition unit configured to execute ultrasonic scanning for a tissue region throughout a predetermined period and acquire a plurality of image data respectively corresponding to phases in the predetermined period; a positional information acquisition unit configured to acquire positional information of a region of interest in the tissue region at least one phase in the period by executing tracking processing using at least part of the plurality of image data; a shape information calculation unit configured to calculate shape information corresponding to the region of interest at least one phase in the period by using positional information of the region of interest at the at least one phase; and an output unit configured to output the shape information at the at least one phase. | 04-10-2014 |
20150018677 | ULTRASOUND DIAGNOSIS APPARATUS AND CONTROL METHOD - An ultrasound diagnosis apparatus includes a transmitter/receiver, a signal processor, and an image generator. The transmitter/receiver transmits, at least once in each scanning line, a first ultrasound pulse and a second ultrasound pulse whose amplitude corresponds to amplitude of the first ultrasound pulse modulated at a given ratio and acquires a received-signal group consisting of multiple received signals. The signal processor acquires, on the basis of a coefficient that reduces the energy of a first composite signal that is obtained by combining, in accordance with the given ratio, multiple received signals contained in the first received signal group acquired by the transmitter/receiver, a second composite signal by combining multiple received signals contained in a second received signal group that is acquired by the transmitter/receiver and that is different from the first received signal group. The image generator generates an ultrasound image based on the second composite signal. | 01-15-2015 |
20150080730 | ULTRASONIC DIAGNOSTIC APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, AND MEDICAL IMAGE PROCESSING METHOD - According to one embodiment, an ultrasonic diagnostic apparatus includes an ultrasonic probe, transmission unit transmitting a first ultrasonic wave for generating a shear wave in an object to a first region and a second ultrasonic wave to a second region, reception unit generating a reception signal based on the second ultrasonic wave, displacement amount calculation unit calculating a displacement amount of a tissue accompanying propagation of the shear wave to the second region by using the reception signal, arrival time decision unit deciding an arrival time when the shear wave has arrived at each position in the second region, based on a temporal change in the displacement amount concerning the each position, and image generation unit generating based on the arrival time and predetermined pixel values corresponding to the arrival times, a shear wave arrival time image with the pixel values being assigned corresponding to the arrival times. | 03-19-2015 |