Canon Medical Systems Corporation

Toshiba Medical Systems Corporation

Kabushiki Kaisha Toshiba

Ko Fuchigami

Takuya Sakaguchi

Shinichi Hashimoto

Hiroyuki Ohuchi

Yoshiyasu Hayashi

Jun Sakakibara

Yuichiro Watanabe

Makoto Kaneko

Masaki Akiyama

Yusuke Kanno

Satoru Ohishi

Masahiro Ozawa

Shingo Abe

Kunio Shiraishi

Ryoichi Nagae

Tadaharu Kobayashi

Kazuo Imagawa

Hajime Yoshida

Mika Takaya

Koutaro Matsuo

According to one embodiment, the X-ray diagnosis apparatus includes an X-ray detector, X-ray diaphragm apparatus, and processing circuitry controlling the X-ray diaphragm apparatus to shield the X-rays from passing through a X-ray filter outside an aperture region or a partial region during a transition from first fluoroscopy employing an X-ray filter to second fluoroscopy employing diaphragm blades, generating a first and second fluoroscopic image during the first and second fluoroscopy respectively, generating a composite image during the second fluoroscopy by combining a non-ROI image of the first fluoroscopic image and a ROI image of the second fluoroscopic image, and displaying the first fluoroscopic image and the composite image on the display during the first and second fluoroscopy respectively.

X-ray diagnosis apparatus

An X-ray diagnostic apparatus according to an embodiment includes processing circuitry configured to acquire a plurality of X-ray images over time based on X-rays having passed through a subject injected with a contrast agent, to calculate a blood vessel region corresponding to an inflow path of the contrast agent leading to a predetermined position in the blood vessel region, based on a temporal transition of signal intensities of the contrast agent in the blood vessel region represented in the X-ray images, and to perform control to display the blood vessel region corresponding to the inflow path in a display mode that is different from that of a blood vessel region other than the inflow path on a display.

X-ray diagnostic apparatus and image processing apparatus

According to one embodiment, an X-ray diagnostic apparatus includes a holding device and processing circuitry. The holding device movably holds an X-ray generator and an X-ray detector. The processing circuitry generates an X-ray image of the subject, based on an output of the X-ray detector. The processing circuitry sets an interference judgment region between the holding device and an interference object, based on a landmark in the X-ray image. The processing circuitry controls movement of the holding device, based on the set interference judgment region.

X-ray diagnostic apparatus

According to one embodiment, a gesture detection supporting system for an X-ray diagnosis includes memory circuitry, a sensor, processing circuitry and an attaching instrument. The memory circuitry stores an operation content of an X-ray diagnostic apparatus. The operation content is related to a gesture by a user. The sensor senses a gesture. The processing circuitry detects the gesture, based on an output from the sensor; acquire the operation content of the X-ray diagnostic apparatus, from the memory circuitry, based on a detection result of the gesture; and output operation information to the X-ray diagnostic apparatus, based on the operation content. The attaching instrument attaches the sensor to a ceiling of an examination room, an arm for driving an X-ray tube and an X-ray detector, an intravenous drip stand, an injector of a contrast agent, an X-ray protective board and/or a display for displaying an X-ray image.

Gesture detection supporting system for X-ray diagnosis

An X-ray diagnosis apparatus according to an embodiment includes a calculating unit and a control unit. The calculating unit that calculates an angle between a specified position specified in an ultrasonic image generated through transmission and reception of ultrasonic waves by an ultrasound probe and a predetermined position in a radiographic space where a subject is radiographed based on information on a relative position between the radiographic space and a scanning space where the subject is scanned by the ultrasound probe. The control unit that controls an arm to move so that the subject is radiographed at the angle calculated by the calculating unit.

X-ray diagnosis apparatus and arm control method

An X-ray diagnosis apparatus according to an embodiment acquires a first X-ray image and a second X-ray image by using mutually-different radiation doses; acquires a third X-ray image based on X-rays radiated onto a region of interest of the subject and onto a region other than the region of interest in mutually-different radiation doses; obtains position information of the region of interest; and on a basis of the position information, generates a subtraction image by calculating a difference between the region of interest in the third X-ray image and a region corresponding to the region of interest in the first X-ray image and calculating a difference between the region other than the region of interest in the third X-ray image and a region corresponding to the region other than the region of interest in the second X-ray image.

An X-ray diagnostic apparatus includes a display, a holding device, bed device, a gesture detecting device and a processing circuitry. The holding device includes an X-ray irradiator, an X-ray detector, and a supporter that supports the X-ray irradiator and the X-ray detector. The bed device is available to place an object on. The gesture detecting device recognizes a gesture of a person. The processing circuitry identifies a state of the X-ray diagnostic apparatus based on at least one of the display, the X-ray irradiator, the X-ray detector, the holding device and the bed device, determines an operation detail based on a combination of the identified state and the recognized gesture, and operates at least one of the display, the holding device, the bed device, a speaker and a room light according to the determined operation detail.

An image processing apparatus according to an embodiment includes a determination unit and a display control unit. The determination unit that determines whether an X-ray image serving as a first image is to be displayed as a moving image or a still image and a second image is to be displayed as a moving image or a still image according to display states of the images. The display control unit that controls a display unit to display thereon at least any one of superimposed images of a combination of a moving image and a moving image, a combination of a moving image and a still image, and a combination of a still image and a moving image of the X-ray image and the second image, according to the determination made by the determination unit.

Image processing apparatus, X-ray diagnosis apparatus, and display method

An image processing system according to an embodiment includes an input unit, an output unit, an acquiring unit, and a display unit. The input unit receives setting of a landmark in first medical image data obtained by capturing a certain tissue of a subject. The output unit outputs data including information of the position of the landmark in the first medical image data as output data. The acquiring unit receives the output data and acquires, based on one or a plurality of pieces of second medical image data obtained by capturing the certain tissue of the subject and the position of the landmark, three-dimensional position information of the landmark in a three-dimensional capturing space of the second medical image data. The display unit displays image data obtained by superimposing the first medical image data on the second medical image data, based on the three-dimensional position information.

Image processing system, X-ray diagnostic apparatus, and image processing method

An image processing system according to an embodiment includes a first aligning unit, an output unit, a second aligning unit, and a display unit. The first aligning unit aligns first three-dimensional medical image data with second three-dimensional medical image data. The output unit outputs, as output data, data obtained by adding alignment information to the first three-dimensional medical image data and to the second three-dimensional medical image data or synthetic data obtained by aligning and synthesizing the first three-dimensional medical image data with the second three-dimensional medical image data. The second aligning unit receives the output data and aligns the second three-dimensional medical image data with one or a plurality of pieces of X-ray image data. The display unit displays image data obtained by aligning the first three-dimensional medical image data with X-ray image data based on an alignment result.

An image processing apparatus according to an embodiment includes an acquiring unit and a determination unit. The acquiring unit acquires information of a relative position between a radiographic space where a subject is radiographed by an X-ray diagnosis apparatus and a scanning space where the subject is scanned by an ultrasound probe. The determination unit determines a position almost the same as the position scanned by the ultrasound probe in the radiographic space, according to the information of the relative position acquired by the acquiring unit. The acquiring unit acquires the information of the relative position based on an X-ray image radiographed by the X-ray diagnosis apparatus.

Image processing apparatus, X-ray diagnosis apparatus, and registration method

A first generating unit generates a plurality of blood vessel image data sets at the plurality of imaging angles by performing subtraction processing for the plurality of mask image data sets and the plurality of contrast image data sets. A second generating unit generates a blood vessel volume data set including an artery region, a vein region, and a capillary vessel region by performing reconstruction processing for the plurality of blood vessel image data sets. A third generating unit generates a capillary vessel volume data set associated with the capillary vessel region by removing the artery region and the vein region from the blood vessel volume data set. A fourth generating unit generates a capillary vessel image data set by performing three-dimensional image processing for the capillary vessel volume data set.

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Otawara, Japan

Ko Fuchigami