Abstract: Provided is an ultrasound diagnostic apparatus that measures the modulus of elasticity of a vascular wall, wherein only M-mode images for heartbeats necessary for the measurement are displayed. The problem is solved by, when freeze is implemented during a B/M-mode display, displaying an M-mode image after discarding a heartbeat at the time of freeze and possibly also a heartbeat immediately before freeze.

Abstract: A cover part of an optical fiber is sandwiched and pressed between a pressure welding blade and a bottom surface part. As a result of this, in a case where an external force which pulls out the optical fiber from a housing, movement of the optical fiber is suppressed by a pressing force, which makes it difficult for a ferrule to go away from a mating optical fiber. Thus, efficiency in communication with the mating optical connector can be improved.

Abstract: Provided is an ultrasound diagnostic apparatus that measures an elastic modulus of a vascular wall, the apparatus allowing selection of a heartbeat suitable for the measurement of the elastic modulus. The problem is solved by storing M-mode images at predetermined intervals in the azimuth direction in a B-mode image, selecting a position in the azimuth direction in the B-mode image, and displaying the M-mode image of the selected position together with the B-mode image.

Abstract: Disclosed are an ultrasound diagnostic apparatus and an ultrasound image producing method capable of producing a spatial compound image with reduced artifacts. Reception data of frame images is repeatedly acquired in a data acquisition cycle of four frames such that, of three frame images for use in producing a spatial compound image, the angle difference in steering angle between two frames for which the acquisition of reception data is most temporally separated is smaller than a maximum value among the angle differences in steering angle between two frame images among three frame images having different steering angles, and each time reception data of two frame images or reception data of another two frame images is acquired, three frame images sequentially produced based on reception data for three frames sequentially acquired hitherto are synthesized to produce a spatial compound image.

Abstract: There is provided an acoustic wave image generating apparatus and method capable of obtaining an image with good visibility of a needle. In a case where ultrasound waves having an intensity distribution centered on a first direction are transmitted to a subject, ultrasound echoes return from the subject. Ultrasound echo data indicating the ultrasound echoes are phased and added along lines in virtual reception directions. As the ultrasound transducers transmitting ultrasound waves are updated, a plurality of first ultrasound images are obtained. Since the ultrasound images having various angles can be obtained, an image with good visibility of a needle can be obtained in a case where the needle is inserted into the subject.

Abstract: Disclosed are an ultrasound diagnostic apparatus and an ultrasound image producing method capable of producing a spatial compound image with reduced artifacts. Reception data of frame images is repeatedly acquired in a data acquisition cycle of four frames such that, of three frame images for use in producing a spatial compound image, the angle difference in steering angle between two frames for which the acquisition of reception data is most temporally separated is smaller than a maximum value among the angle differences in steering angle between two frame images among three frame images having different steering angles, and each time reception data of two frame images or reception data of another two frame images is acquired, three frame images sequentially produced based on reception data for three frames sequentially acquired hitherto are synthesized to produce a spatial compound image.

Abstract: Disclosed are an ultrasound diagnostic apparatus and an ultrasound image producing method capable of producing a spatial compound image with reduced artifacts. Reception data of frame images is repeatedly acquired in a data acquisition cycle of four frames such that, of three frame images for use in producing a spatial compound image, the angle difference in steering angle between two frames for which the acquisition of reception data is most temporally separated is smaller than a maximum value among the angle differences in steering angle between two frame images among three frame images having different steering angles, and each time reception data of two frame images or reception data of another two frame images is acquired, three frame images sequentially produced based on reception data for three frames sequentially acquired hitherto are synthesized to produce a spatial compound image.

Abstract: Disclosed are an ultrasound diagnostic apparatus and an ultrasound image producing method capable of producing a spatial compound image with reduced artifacts. Reception data of frame images is repeatedly acquired in a data acquisition cycle of four frames such that, of three frame images for use in producing a spatial compound image, the angle difference in steering angle between two frames for which the acquisition of reception data is most temporally separated is smaller than a maximum value among the angle differences in steering angle between two frame images among three frame images having different steering angles, and each time reception data of two frame images or reception data of another two frame images is acquired, three frame images sequentially produced based on reception data for three frames sequentially acquired hitherto are synthesized to produce a spatial compound image.

Abstract: Disclosed are an ultrasound diagnostic apparatus and an ultrasound image producing method capable of producing a spatial compound image with reduced artifacts. Reception data of frame images is repeatedly acquired in a data acquisition cycle of four frames such that, of three frame images for use in producing a spatial compound image, the angle difference in steering angle between two frames for which the acquisition of reception data is most temporally separated is smaller than a maximum value among the angle differences in steering angle between two frame images among three frame images having different steering angles, and each time reception data of two frame images or reception data of another two frame images is acquired, three frame images sequentially produced based on reception data for three frames sequentially acquired hitherto are synthesized to produce a spatial compound image.

Abstract: An ultrasound diagnostic apparatus comprising: an ultrasound probe which has ultrasound transducers transmitting ultrasonic waves, receiving an ultrasonic echo reflected by a subject, and outputting a reception signal according to the received ultrasonic echo; an image producer which produces a B-mode image and an M-mode image from the reception signal output from the ultrasound transducers; and a boundary detector which detects a blood vessel anterior wall boundary in the B-mode image using a time phase of the M-mode image corresponding to the B-mode image.

Abstract: A cover part of an optical fiber is sandwiched and pressed between a pressure welding blade and a bottom surface part. As a result of this, in a case where an external force which pulls out the optical fiber from a housing, movement of the optical fiber is suppressed by a pressing force, which makes it difficult for a ferrule to go away from a mating optical fiber. Thus, efficiency in communication with the mating optical connector can be improved.

Abstract: A cover includes a body attached to a housing containing a terminal connected to an electric wire, and that includes an electric wire leading portion, and a lid to be fitted to the body. The cover includes a guide receiving portion on an outer surface of a distal end of one of the lid and the body, and a guide portion on a distal end of the other. The guide receiving portion has an inclined surface inclined toward an inner surface of the guide receiving portion along a fitting direction. The guide portion guides a distal end of the guide receiving portion. The guide portion protrudes outward perpendicularly to the fitting direction. The guide portion has an inclined surface on an inner surface of the distal end of the other of the lid and the body.

Abstract: A cover includes a body attached to a housing containing a terminal connected to an electric wire, and that includes an electric wire leading portion, and a lid to be fitted to the body. The cover includes a guide receiving portion on an outer surface of a distal end of one of the lid and the body, and a guide portion on a distal end of the other. The guide receiving portion has an inclined surface inclined toward an inner surface of the guide receiving portion along a fitting direction. The guide portion guides a distal end of the guide receiving portion. The guide portion protrudes outward perpendicularly to the fitting direction. The guide portion has an inclined surface on an inner surface of the distal end of the other of the lid and the body.

Abstract: Disclosed are an ultrasound diagnostic apparatus and an ultrasound image producing method capable of producing a spatial compound image with reduced artifacts. Reception data of frame images is repeatedly acquired in a data acquisition cycle of four frames such that, of three frame images for use in producing a spatial compound image, the angle difference in steering angle between two frames for which the acquisition of reception data is most temporally separated is smaller than a maximum value among the angle differences in steering angle between two frame images among three frame images having different steering angles, and each time reception data of two frame images or reception data of another two frame images is acquired, three frame images sequentially produced based on reception data for three frames sequentially acquired hitherto are synthesized to produce a spatial compound image.

Abstract: A radio tomographic image generation device includes a reconstruction unit for generating a plurality of reconstructed images of different iteration numbers by a successive approximation process; a region segmentation unit for obtaining information about structure based on radiographic image signals, and segmenting, based on the information about structure, a region, of which the tomographic image is generated, into a plurality of segmented regions having different information about structure; and an image combining unit for generating partial tomographic images by using the reconstructed images of different iteration numbers for the individual segmented regions based on the information about structure of the individual segmented regions, and generating a tomographic image of a subject by using the generated partial tomographic images for the individual segmented regions.

Abstract: An ultrasound diagnostic apparatus, which transmits an ultrasonic wave toward a subject by an ultrasound probe, produces ultrasound image data based on obtained reception data by a diagnostic apparatus body, and displays an ultrasound image, includes a dilation processor which performs dilation processing on the ultrasound image data based on a dilation radius to produce dilated image data, an erosion processor which performs erosion processing on the ultrasound image data based on an erosion radius different in magnitude from the dilation radius to produce eroded image data, a difference processor which calculates difference between the dilated image data and the eroded image data to produce difference image data, and an edge enhancer which performs edge enhancement processing on the ultrasound image data based on the difference image data to produce edge enhanced image data.

Abstract: Provided is an ultrasound diagnostic apparatus that measures the modulus of elasticity of a vascular wall, wherein only M-mode images for heartbeats necessary for the measurement are displayed. The problem is solved by, when freeze is implemented during a B/M-mode display, displaying an M-mode image after discarding a heartbeat at the time of freeze and possibly also a heartbeat immediately before freeze.

Abstract: Provided is an ultrasound diagnostic apparatus that measures an elastic modulus of a vascular wall, the apparatus allowing selection of a heartbeat suitable for the measurement of the elastic modulus. The problem is solved by storing M-mode images at predetermined intervals in the azimuth direction in a B-mode image, selecting a position in the azimuth direction in the B-mode image, and displaying the M-mode image of the selected position together with the B-mode image.

Abstract: The ultrasound diagnostic apparatus includes an image data generator for generating ultrasound image data based on reception data, a resolution adjuster for adjusting a resolution of the ultrasound image data to generate adjusted ultrasound image data, an edge determiner for determining an edge of a structure contained in an ultrasound image based on the adjusted ultrasound image data to obtain edge information of the structure, and an image processor for performing image processing including denoising or edge enhancement on the adjusted ultrasound image data or on the ultrasound image data generated in the image data generator based on the edge information to generate processed ultrasound image data.

Abstract: A radio tomographic image generation device includes a reconstruction unit for generating a plurality of reconstructed images of different iteration numbers by a successive approximation process; a region segmentation unit for obtaining information about structure based on radiographic image signals, and segmenting, based on the information about structure, a region, of which the tomographic image is generated, into a plurality of segmented regions having different information about structure; and an image combining unit for generating partial tomographic images by using the reconstructed images of different iteration numbers for the individual segmented regions based on the information about structure of the individual segmented regions, and generating a tomographic image of a subject by using the generated partial tomographic images for the individual segmented regions.