Abstract: An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section, which drives a probe that transmits an ultrasonic wave toward a subject; a receiving section, which receives an ultrasonic echo, produced by getting the ultrasonic wave reflected by the subject, through the probe, thereby generating a received signal; a property value calculating section for calculating property values of the subject based on the received signal over a period of time; a stability estimating section for sequentially estimating the degrees of stability of the property values that have been calculated over the period of time; and a presenting section for presenting the degrees of stability thereon.

Abstract: There are provided a transmission unit (102) and a reception unit (103) for transmitting and receiving an ultrasonic wave with respect to a subject, a tissue tracing unit (115) for analyzing a received signal to trace the movement of a tissue of the subject, and a property detection unit (120) for detecting a property concerning the movement of the tissue of the subject. The property detection unit (120) subjects either one of the received signal, a Doppler shift, and the movement of the tissue of the subject to signal processing, detects a property concerning the movement of the tissue of the subject that is in synchronization with a heartbeat, and generates an initializing pulse based on the detected property. The tissue tracing unit (115) is initialized by the initializing pulse.

Abstract: An ultrasonic diagnostic apparatus includes: a positional displacement calculating section for calculating the magnitudes of positional displacements at multiple measuring points within a body tissue; a thickness variation calculating section for calculating thicknesses or thickness variations, each measured between two arbitrary points within the tissue set with respect to the measuring points, based on the magnitudes of positional displacements; and a maximum/minimum value calculating section for finding the maximum and minimum thicknesses or thickness variations during a maximum value finding period and a minimum value finding period. At least one of the greatest thickness difference, strain and elastic property is calculated based on a difference between the maximum and minimum thicknesses or thickness variations.

Abstract: A subject-side apparatus 10A is provided with a cine memory 15 for sequentially storing an ultrasonic signal that is received by an ultrasonic wave transmission/reception portion 12 per each frame. Every time after freezing when moving a pointer for designating a frame to be reproduced in a hospital-side apparatus 20A, a communication line interface 14 of the subject-side apparatus reproduces a frame that is required to be retransmitted by a console 24 of the hospital-side apparatus from the cine memory, and retransmits it to a communication line interface 21 of the hospital-side apparatus via a communication line 30. Then, an ultrasonic image of the retransmitted frame is displayed on a monitor 23. When an examiner performs a diagnosis with respect to a subject in a remote location via the communication line, an ultrasonic image can be displayed with sufficiently suppressed degradation of an image quality compared with an image quality of an original image, even at a low data rate of the communication line.

Abstract: An ultrasonic diagnostic apparatus includes a transmission unit that transmits at least one ultrasonic pulse from a surface of a skin of a subject toward a blood vessel (21) thereof, a reception unit (3) that receives an ultrasonic echo reflected by the blood vessel and converts the same into an electric signal to obtain a signal of the ultrasonic echo along a depth direction from the surface of the skin, a movement detection unit (5) that analyzes a phase of the ultrasonic echo signal in a direction traversing the blood vessel so as to calculate a movement amount in each of a plurality of parts included in a blood vessel wall constituting the blood vessel and a vicinity of the blood vessel wall, and a boundary detection unit (7) that detects a boundary position between the blood vessel wall and a blood flow region (22) in a lumen of the blood vessel through which blood flows based on a variation in the calculated movement amount in each part.

Abstract: An ultrasonic diagnostic apparatus includes: a transmitting section for driving a probe transmitting an ultrasonic wave to a subject; a receiving section for amplifying a reflected echo, produced by getting the ultrasonic wave reflected by a tissue and received at the probe, to generate a received signal; an image processing section for generating a tomographic image of the subject based on the signal; a region setting section for setting an arbitrary range of the tomographic image as a region of interest; a motion information gathering section for getting the motion information of the subject at measuring points on the subject based on the signal; a property value calculating section for calculating the property values of target tissues of the subject, specified by the measuring points, by reference to the motion information; and a distribution plotting section, which gets the property measured values and plots a frequency distribution of the property values based on the property values of the target tissues

Abstract: There is provided an excellent biological signal monitor device that allows a living tissue moving in accordance with a body motion or a vibration to be observed as if it were standing still. A reverse correction processing unit (114) subjects a B-mode image to reverse correction based on a movement amount of the living tissue detected by a movement amount detection unit (113), and outputs the B-mode image corresponding to the living tissue moving in accordance with a body motion as quasi-still image information. An arithmetic processing unit (115) subjects the quasi-still image information from the reverse correction processing unit (114) to arithmetic processing such as averaging and filter processing, so as to remove a random noise component. As a result, it is possible to display, for example, a contour portion of a blood vessel wall as the living tissue clearly.

Abstract: There are provided transmission means (1) for transmitting an ultrasonic signal from a surface of a skin of a subject toward a blood vessel (21) of the subject, reception means (3) for receiving a reflected ultrasonic echo and converting the ultrasonic echo into an electric signal to obtain the ultrasonic echo signal in a depth direction from the surface of the skin, movement detection means (5) for analyzing a phase of the ultrasonic echo signal in a direction traversing the blood vessel to calculate a movement amount in each of a plurality of regions including a blood vessel wall and a vicinity of the blood vessel wall, analysis means (7) for analyzing a state of the blood vessel based on a variation in the calculated movement amount in each of the regions, boundary position detection means (8) for detecting a boundary position between the blood vessel wall and a blood flow region of the blood vessel based on a result of the analysis by the analysis means, and stability judgment means (15) for comparing the

Abstract: The ultrasonic diagnostic apparatus of the present invention includes: a transmitting section 14 for driving an ultrasonic probe 13 to send an ultrasonic transmitted wave to an organism's tissue; a receiving section 15 for amplifying an ultrasonic reflected wave, produced by getting the transmitted wave reflected by the tissue and received by the ultrasonic probe 13, to generate a received signal; a frame calculating section 19 for calculating shape measured values of the tissue based on the received signal and figuring out a spatial distribution frame, representing the spatial distribution of the shape measured values and/or property measured values of the organism every cardiac cycle, based on the shape measured values of the tissue; a difference calculating section 19 for calculating a difference between the shape measured values or property measured values of two of the spatial distribution frames calculated every cardiac cycle; a storage section for storing the shape measured values, property measured va

Abstract: An ultrasonic diagnostic apparatus includes: a transmitting section for driving a probe transmitting an ultrasonic wave to a subject; a receiving section for amplifying a reflected echo, produced by getting the ultrasonic wave reflected by a tissue and received at the probe, to generate a received signal; an image processing section for generating a tomographic image of the subject based on the signal; a region setting section for setting an arbitrary range of the tomographic image as a region of interest; a motion information gathering section for getting the motion information of the subject at measuring points on the subject based on the signal; a property value calculating section for calculating the property values of target tissues of the subject, specified by the measuring points, by reference to the motion information; and a distribution plotting section, which gets the property measured values and plots a frequency distribution of the property values based on the property values of the target tissues

Abstract: The ultrasonic diagnostic apparatus of the invention evaluates a shape or qualitative property of an organism's arterial wall tissue and includes: a delay control section 3 for controlling delays for ultrasonic vibrators 1 in an ultrasonic probe 2; a transmitting section 5 for driving the probe under the control of the control section 3 such that the probe 2 transmits a first ultrasonic beam toward different locations within a scan region, defined along the axis of the artery, every predetermined frame period; a receiving section 6 for receiving ultrasonic echoes, generated by getting the first beam reflected by the wall, at the probe every set of frame periods, thereby outputting a first group of ultrasonic echo signals; and a signal processing section 13 for calculating a thickness variation, or elasticity, of the tissue between measuring points on the tissue in response to the first group of echo signals.

Abstract: A tomographic image and a tissue characteristic image that are in conformity with each other in terms of time-phase and positional relationships can be displayed superimposedly, thereby providing an excellent ultrasonic diagnostic apparatus that enables an easy and detailed observation of a relationship between a structure and a characteristic of a subject tissue. During an operation of ultrasonic wave transmission/reception (in a live mode), a control part (100) allows a tomographic image to be renewed continuously, displayed on a monitor (107), and stored in a tomographic image memory (110), while allowing an elastic modulus image as a tissue characteristic image to be renewed per heartbeat, displayed on the monitor, and stored in an elastic-modulus-image memory (111) as a tissue characteristic image memory.

Abstract: A subject-side apparatus 10A is provided with a cine memory 15 for sequentially storing an ultrasonic signal that is received by an ultrasonic wave transmission/reception portion 12 per each frame. Every time after freezing when moving a pointer for designating a frame to be reproduced in a hospital-side apparatus 20A, a communication line interface 14 of the subject-side apparatus reproduces a frame that is required to be retransmitted by a console 24 of the hospital-side apparatus from the cine memory, and retransmits it to a communication line interface 21 of the hospital-side apparatus via a communication line 30. Then, an ultrasonic image of the retransmitted frame is displayed on a monitor 23. When an examiner performs a diagnosis with respect to a subject in a remote location via the communication line, an ultrasonic image can be displayed with sufficiently suppressed degradation of an image quality compared with an image quality of an original image, even at a low data rate of the communication line.

Abstract: There are provided transmission means (1) for transmitting an ultrasonic signal from a surface of a skin of a subject toward a blood vessel (21) of the subject, reception means (3) for receiving a reflected ultrasonic echo and converting the ultrasonic echo into an electric signal to obtain the ultrasonic echo signal in a depth direction from the surface of the skin, movement detection means (5) for analyzing a phase of the ultrasonic echo signal in a direction traversing the blood vessel to calculate a movement amount in each of a plurality of regions including a blood vessel wall and a vicinity of the blood vessel wall, analysis means (7) for analyzing a state of the blood vessel based on a variation in the calculated movement amount in each of the regions, boundary position detection means (8) for detecting a boundary position between the blood vessel wall and a blood flow region of the blood vessel based on a result of the analysis by the analysis means, and stability judgment means (15) for comparing the

Abstract: An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section, which drives a probe that transmits an ultrasonic wave toward a subject; a receiving section, which receives an ultrasonic echo, produced by getting the ultrasonic wave reflected by the subject, through the probe, thereby generating a received signal; a property value calculating section for calculating property values of the subject based on the received signal over a period of time; a stability estimating section for sequentially estimating the degrees of stability of the property values that have been calculated over the period of time; and a presenting section for presenting the degrees of stability thereon.

Abstract: An ultrasonic diagnostic apparatus according to the present invention includes: a transmitting section 14 for driving an ultrasonic probe 13 sending out an ultrasonic transmitted wave toward a tissue of an organism; a receiving section 15 for receiving an ultrasonic reflected wave, produced by getting the ultrasonic transmitted wave reflected by the tissue of the organism, through the ultrasonic probe to generate a received signal; a phase detecting section 17 for detecting the phase of the received signal to generate a phase detected signal; a positional displacement calculating section 31a for calculating the magnitudes of positional displacements at multiple measuring points, set on the tissue of the organism, based on the phase detected signal; a thickness variation calculating section 31b for calculating thicknesses or thickness variations, each measured between two arbitrary points set with respect to the measuring points, based on the magnitudes of positional displacements; and a maximum/minimum value

Abstract: An ultrasonic detecting portion 1 that transmits an ultrasonic wave to a subject and receives a reflected wave therefrom, an image display portion 6 that has a diagnostic image display region 8 for displaying a diagnostic image based on an image signal from the ultrasonic detecting portion and displays a setting button 9 and a cursor 7 of a pointing device for making a selection of a setting condition, and a control portion 5 that has a function of setting and changing the setting condition based on an instruction to select the setting condition are provided. A function in which a pop-up menu opens by locating the cursor on the operation button, and a function in which an alternative in the pop-up menu is selected by locating the cursor on the alternative and the alternative that is selected last is confirmed by moving the cursor to a region outside the pop-up menu are provided. It is possible to select a parameter of the operation button solely with a cursor operation of the pointing device.

Abstract: An ultrasonic diagnostic apparatus includes a transmission unit that transmits at least one ultrasonic pulse from a surface of a skin of a subject toward a blood vessel (21) thereof, a reception unit (3) that receives an ultrasonic echo reflected by the blood vessel and converts the same into an electric signal to obtain a signal of the ultrasonic echo along a depth direction from the surface of the skin, a movement detection unit (5) that analyzes a phase of the ultrasonic echo signal in a direction traversing the blood vessel so as to calculate a movement amount in each of a plurality of parts included in a blood vessel wall constituting the blood vessel and a vicinity of the blood vessel wall, and a boundary detection unit (7) that detects a boundary position between the blood vessel wall and a blood flow region (22) in a lumen of the blood vessel through which blood flows based on a variation in the calculated movement amount in each part.

Abstract: There are provided a transmission unit (102) and a reception unit (103) for transmitting and receiving an ultrasonic wave with respect to a subject, a tissue tracing unit (115) for analyzing a received signal to trace the movement of a tissue of the subject, and a property detection unit (120) for detecting a property concerning the movement of the tissue of the subject. The property detection unit (120) subjects either one of the received signal, a Doppler shift, and the movement of the tissue of the subject to signal processing, detects a property concerning the movement of the tissue of the subject that is in synchronization with a heartbeat, and generates an initializing pulse based on the detected property. The tissue tracing unit (115) is initialized by the initializing pulse.

Abstract: There is provided an excellent biological signal monitor device that allows a living tissue moving in accordance with a body motion or a vibration to be observed as if it were standing still. A reverse correction processing unit (114) subjects a B-mode image to reverse correction based on a movement amount of the living tissue detected by a movement amount detection unit (113), and outputs the B-mode image corresponding to the living tissue moving in accordance with a body motion as quasi-still image information. An arithmetic processing unit (115) subjects the quasi-still image information from the reverse correction processing unit (114) to arithmetic processing such as averaging and filter processing, so as to remove a random noise component. As a result, it is possible to display, for example, a contour portion of a blood vessel wall as the living tissue clearly.