244 results about "Ultrasonogram" patented technology

An ultrasonic endoscope device includes an optical image obtaining device that obtains an optical image of an examinee, an ultrasonic-image obtaining device that obtains an ultrasonic image of the examinee, a positional-information obtaining device that obtains positional information of the optical image obtaining device with respect to the examinee upon obtaining the optical image, and a matching circuit that matches up an optical image obtained from the optical image obtaining device with the ultrasonic image obtained from the ultrasonic-image obtaining device based on the positional information obtained by the positional-information obtaining device.

An ultrasonic diagnosis apparatus according to the present invention includes an ultrasonic endoscope having ultrasonic transducers for scanning ultrasonic wave in a living body three-dimensionally, an ultrasonic image creating portion of an ultrasonic observing apparatus for creating ultrasonic volume data based on an ultrasonic signal captured by the ultrasonic endoscope, a two-dimensional image select knob, keyboard, trackball, computing/control portion and display control portion for selecting a tomographic plane from the ultrasonic volume data by designating the angle of rotation about the straight line through two points designated on the ultrasonic volume data as the axis of rotation, and a monitor for displaying the tomographic plane selected during a scanning operation as a two-dimensional ultrasonic image.

The ultrasound diagnostic apparatus, ultrasound image generation apparatus and method transmit ultrasound waves to a subject into which a puncture tool is inserted, receive reflected waves reflected from the subject and the puncture tool, and generate echo signals of time-sequential frames based on the received reflected waves, and generate an ultrasound image of the subject based on the generated echo signals. These apparatus and method generate a differential echo signal between time-sequential frames from the echo signals, perform a tip detection process based on the differential echo signal to thereby detect at least one tip candidate including a tip end of the puncture tool, highlight a tip candidate of the puncture tool detected to thereby generate a tip image, and display the tip image of the highlighted puncture tool so as to be superimposed on the generated ultrasound image.

An ultrasonic diagnostic apparatus removes a speckle pattern using information on a direction (depth direction) that is substantially orthogonal to a plurality of ultrasonic images included in three-dimensional image data. For example, three-dimensional CFAR processing, two-dimensional CFAR processing, and a depth-direction arithmetic process are performed to discriminate a continuous structure that is three-dimensionally arranged from a local microstructure, thereby generating a microstructure extracted image.

An ultrasound diagnosis apparatus of the present invention has: an image generator configured to execute transmission/reception of ultrasound waves to chronologically generate ultrasound image data of plural frames; a multiresolution decomposition part configured to hierarchically perform multiresolution decomposition on the ultrasound image data to acquire first-order to n^th-order (n represents a natural number of 2 or more) low-band decomposition image data and first-order to n^th-order high-band decomposition image data; a feature amount calculator configured to calculate a feature amount based on the acquired low-band decomposition image data; a filtering processor configured to perform a filtering operation on the calculated feature amount; and a multiresolution composition part configured to execute multiresolution composition using the low-band decomposition image data and high-band decomposition image data to generate a composite image. Thus, the apparatus can efficiently reduce change in speckle/noise in the temporal direction and perform a process without a time phase delay.

A blood vessel ultrasonic image measuring method capable of facilitating the positioning of an ultrasonic probe and acquiring sufficient positioning accuracy is provided. Because of inclusion of an around-X-axis positioning step of causing a multiaxis driving device 26 to position an ultrasonic probe such that distances from respective ultrasonic array probes to the center of a blood vessel are equalized, and an X-axis direction positioning step and an around-Z-axis positioning step of causing the multiaxis driving device to position the ultrasonic probe such that the image of the blood vessel is positioned at the center portion in the width direction of the first short axis image display area G1 and the second short axis image display area G2, the positioning may be performed by using the positions in the longitudinal direction of the ultrasonic array probes relative to the blood vessel or the distances of the ultrasonic array probes to the blood vessel and, therefore, the ultrasonic probe may simply and easily be positioned on the blood vessel of a living body with higher accuracy.

An ultrasonic imaging apparatus capable of generating ultrasonic images including boundaries between different tissues and regions divided by the boundaries in which property of boundaries and the respective tissues can be distinctly identified. The ultrasonic imaging apparatus includes ultrasonic transducers for transmitting and receiving ultrasonic waves to output reception signals; a boundary information generating unit for generating information representing positions of boundaries based on the reception signals; a first image data generating unit for generating first image data representing property of a first region and/or a second region divided by the boundaries; a second image data generating unit for generating second image data representing property of boundaries based on the reception signals; and a tissue property image data generating unit for generating tissue property image data by locating images represented by the first and second image data in the region, based on the boundary position information.

A surgery guiding system comprises a three-dimensional imaging device, an ultrasonic scanning device and a processing device. The three-dimensional imaging device is used for obtaining a three-dimensional image of a lesion area of a patient before surgery; the ultrasonic scanning device is used for obtaining an ultrasonic image of the lesion area of the patient during the surgery in real time; and the processing device is connected with the nuclear magnetic resonance imaging device and the ultrasonic scanning device in a communication manner, and is used for registering the three-dimensional image and the ultrasonic image, and outputting a registered fusion image. The real-time image obtained during the surgery and the three-dimensional image obtained before the surgery are fused by the surgery guiding system, both the lesion area and the location of a surgical instrument can be showed clearly, the fused image is used as surgery guidance, and accordingly surgery can be guided accurately. The invention further provides a surgery guiding method.

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.

When a two-dimensional tomogram is to be displayed, motion information associated with a direction orthogonal to the tomogram is colored and mapped on the tomogram to be visualized by using the volume data of a TSI image. For example, a mapping image is generated by color-mapping shortening information at each point on a cardiac tissue on a short axis view by using the volume data of the TSI image. Superimposing and displaying the mapping image on the original short axis view makes it possible to simultaneously observe the shortening information even while a short axis view is obtained and observed.

Ultrasonograms (105, 106) are created by means of ultrasonic probe (104). Volume image data is created previously by using an image diagnosis apparatus (102) and stored in a volume data storage unit (107). From the stored volume image data, a tomogram corresponding to the scan surface of the ultrasonic images is extracted, and a reference image (111) is formed from the tomogram. The ultrasonograms and the reference image are displayed on the same screen (114). An area of the reference image corresponding to the viewing area of the ultrasonogram is extracted, and a reference image of the same portion as that of the ultrasonic image is displayed as a fan image and/or displayed with the same magnification as that of the ultrasonograms.

An ultrasonic image scanning system for scanning an organic object includes a container for containing a coupling medium for transmitting an ultrasonic signal to the organic object disposed therein whereby a simultaneous multiple direction scanning process may be carried out without physically contacting the organic object. The ultrasonic image scanning system further includes ultrasound transducers for transmitting the ultrasonic signal to the organic object through the coupling medium without asserting an image deforming pressure to the organic object. These transducers distributed substantially around a two-dimensional perimeter of the container and substantially at symmetrical angular positions at approximately equal divisions of 360 degrees over a two-dimensional perimeter of the container. The transducers are further movable over a vertical direction alone sidewalls of the container for a real time three dimensional (3D) image data acquisition. The container further includes sidewalls covered with a baffle layer for reducing an acoustic reverberation.

An ultrasound diagnostic apparatus in which an ultrasonic wave is transmitted toward a subject by an ultrasound probe, an ultrasound image is generated by a diagnostic apparatus body based on reception data thus obtained and an examination is performed based on the ultrasound image, including a display unit on which a plurality of examination portions corresponding to a series of examinations relating to ultrasound diagnosis are displayed in an order of time series in a single screen at a time, and a controller which highlights an examination portion corresponding to an examination being executed among the plurality of examination portions in the display unit, in which each of the plurality of examination portions is displayed as a body mark which indicates an examination position by the ultrasound probe.

Using pulsed-wave (PW) ultrasonography for determining an aliasing-free radial velocity spectrum of matter moving in a region. Includes: transmitting into the region a plurality of pulse trains of sound waves at two or more different pulse repetition frequencies; spectrally analyzing each pulse train, for evaluating a Doppler frequency spectrum associated with each pulse train; combining frequency components of Doppler frequency spectrum of each pulse train, for obtaining aliasing-free instantaneous Doppler frequency spectrum for the region; using Doppler effect for translating aliasing-free frequency spectrum to aliasing-free radial velocity spectrum. Implementable using pulsed-wave Doppler (PWD), color flow Doppler (CFD), tissue Doppler imaging (TDI), or pulsed-wave (PW) ultrasonography. Applicable to liquid or/and solid forms of matter, moving in a two- or three-dimensional region. Matter is any substance or material, composed of organics or/and inorganics, which is part of a non-living object, or, part of a human or animal subject.

The ultrasound examination apparatus according to an exemplary embodiment of the present disclosure is an ultrasound examination apparatus for observing an inside of a body of a living subject and includes: a transmitting probe that transmits ultrasonic waves to an inside of an examination target which is a part of the living subject; a receiving probe that detects microscopic displacement on a surface of the examination target without contact with the examination target, to detect reflected ultrasonic waves which are the to ultrasonic waves reflected from the inside of the examination target;

and a signal processing unit that generates an image of the inside of the examination target, based on the reflected ultrasonic waves during a scanning operation in which the transmitting probe is kept fixed with respect to the examination target and the receiving probe is moved with respect to the examination target.

The invention relates to an ultrasonic image processing system, for processing images in an image sequence representing a segment of artery explored along its longitudinal axis, said artery segment showing moving walls; this system comprising: acquisition means (21) for acquiring an ultrasonic image sequence of a segment of artery explored along its longitudinal axis and having walls moving in relation with the cardiac cycle; semi-automatic detection means (22) for detecting the artery walls in an image of the sequence; automatic rigid tracking means (23) for tracking the corresponding artery walls in other images of the sequence; evaluation means (24) for evaluating the artery wall motion and distensibility; and viewing means (154) for visualizing images. The invention further relates to an ultrasound examination apparatus having a curved array of transducer elements and coupled to this system, having viewing means to visualize the images.

An ultrasonic diagnostic apparatus according to the present invention has an ultrasonic probe for transmitting/receiving an ultrasonic wave to/from an object while the object is pressed, a phasing and adding unit for generating RF signal frame data of a cross-sectional site of the object on the basis of a reflection echo signal measured by the ultrasonic probe, an ultrasonic image generating unit for generating an ultrasonic image of the cross-sectional site of the object on the basis of the RF signal frame data, a measurement target setting unit for setting a measurement target to the RF signal frame data or the ultrasonic image, a measurement target position tracing unit for tracing a positional variation of the set measurement target, a displacement image generating unit for generating a graph representing transition of a press state applied to the measurement target on the basis of the positional variation of the measurement target, and a display unit for displaying the generated graph.

Disclosed herein is an ultrasonic diagnostic apparatus and ultrasonic image processing method. The ultrasonic diagnostic apparatus includes an ultrasonic transmission unit; An ultrasonic probe emits; An ultrasonic reception unit; An image processing unit; A sound velocity determination unit; and A control unit. Accordingly, there is an advantage in that the actual sound velocity of a reflected wave is estimated, so that high-quality ultrasonic images can be provided, and the time required for the estimation of a sound velocity can be reduced.