Canon Medical Systems Corporation

Kabushiki Kaisha Toshiba

Akio Tetsuka

Hisayuki Uehara

Yuki Totsuka

Masaharu Soya

Shingo Abe

Daisuke Sato

Yusuke Kanno

Keisuke Sugawara

Katsunori Kojima

Katsuo Takahashi

Kansei Takahashi

Hiroyoshi Kobayashi

Jun Sakakibara

Yoshiyasu Hayashi

Makoto Kaneko

Masanori Matsumoto

Katsuie Ikawa

Hajime Yoshida

Yusuke Narabu

Izumi Watanabe

Takeo Matsuzaki

Yoshiyuki Sato

Hirona Oikawa

Masashi Hirasawa

Tomukazu Ono

Akira Mochiduki

Akira Mochizuki

Ikuo Hayashida

Kazutoyo Hirayama

Akiko Yamahana

Hiroshi Yoshida

An X-ray diagnosis apparatus according to an embodiment includes a processing circuitry. The processing circuitry is configured: to determine a region corresponding to a target object in an X-ray image, on the basis of the X-ray image; to calculate a statistical value related to the region, on the basis of a plurality of pixel values included in the region; and to set an X-ray condition related to generating X-rays, on the basis of the statistical value.

X-ray diagnosis apparatus and X-ray condition setting method

According to an embodiment, there is provided that processing circuitry configured to determine a first radiation timing at which a subject is irradiated with an X-ray, based on information on motion of an object in X-ray image data, the information on motion being calculated by the X-ray image data, the X-ray image data being associated with an electrocardiographic waveform of the subject, and repeatedly irradiate the subject with an X-ray at the first radiation timing per cycle of the electrocardiographic waveform of the subject.

X-ray diagnosis apparatus

An operation device comprises a detector configured to detect an operation on a virtual switch by an operator to operate an X-ray irradiation in an X-ray diagnosis apparatus, wherein the virtual switch is virtually set at a position settled relatively with respect to the operator and output circuitry configured to output a detection result of the operation detected by the detector to the X-ray diagnosis apparatus to be operated. This device eliminates the need for looking away from a display monitor every time the operator operates the X-ray diagnosis apparatus.

Operation device and X-ray diagnosis system

An X-ray diagnostic apparatus according to an embodiment includes: an X-ray tube including a target configured to generate X-rays in response to emission of electrons thereto, a plurality of filaments configured to emit electrons into substantially the same position on the target, and a grid used in common among the plurality of filaments; intermediate potential setting circuitry configured to set intermediate potential in a position between the plurality of filaments and the target by using the grid; and filament potential controlling circuitry configured to change one or more filaments selected from among the plurality of filaments to emit the electrons to the target, by controlling potential levels of the plurality of filaments with respect to the intermediate potential for each filament, in conjunction with switching of X-ray tube voltage.

X-ray diagnostic apparatus, and X-ray tube

According to one embodiment, an X-ray diagnostic apparatus includes an X-ray tube, a driver, a supporter, and processing circuitry. The X-ray tube including a rotating anode. The driver rotates the rotating anode. The supporter supports the X-ray tube in an inclinable manner. The processing circuitry acquires information indicating an attitude of the supporter and controls the driver based on information indicating the acquired attitude.

X-ray diagnostic apparatus and X-ray high-voltage generator

An X-ray diagnostic apparatus according to one embodiment comprises an X-ray tube, an X-ray detector, a holding mechanism, position specifying circuitry and control circuitry. The X-ray detector detects the X-ray which has been generated by the X-ray tube and has passed through an object placed on a top of a bed movable in an examination room. The holding mechanism holds the X-ray tube and the X-ray detector, and movable in the examination room. The position specifying circuitry specifies a position of the holding mechanism in the examination room and a position of the bed in the examination room. The control circuitry controls the holding mechanism in order to change a position and angle of the holding mechanism based on the position of the holding mechanism and the position of the bed.

X-ray diagnostic apparatus comprising a position specifying unit and a control unit

An X-ray diagnostic apparatus comprises an X-ray tube and processing circuitry. The X-ray tube includes a rotary anode. The processing circuitry is configured to derive an acquiring condition from a fluoroscopic image, and start to increase, in accordance with the acquiring condition derived, a rotating speed of the anode from a low rotating speed to a high rotating speed before the X-ray tube finishes emitting an X-ray to acquire the fluoroscopic image.

X-ray diagnostic apparatus and medical-information processing apparatus configured to control a rotating speed of a rotary anode of an X-ray tube by deriving an acquiring condition from a fluoroscopic image

An X-ray diagnostic apparatus according to embodiments includes an X-ray tube assembly and a grid potential control circuitry. The X-ray tube assembly includes a filament that emits electrons, a target that generates X-rays by receiving the electrons, and a grid having a potential for adjusting a potential gradient around the filament. The grid potential control circuitry switches the potential of the grid to a potential where the potential gradient around the filament becomes greater than a potential gradient generated by a potential of the filament and a potential of the target.

X-ray diagnostic apparatus

An X-ray diagnosis apparatus for obtaining an X-ray image comprises an X-ray radiator, a detector, a first mechanism, a second mechanism, a controller, and an image processor. The X-ray radiator is configured to radiate an X-ray to a specimen. The detector is configured to detect an X-ray data resulting from the X-ray. The first mechanism is coupled to the detector and is configured to shift the detector along a detecting plane of the detector. The second mechanism is coupled to the X-ray radiator and is configured to change a radiation direction of the X-ray against the detector. The controller is configured to control the second mechanism in accordance with the shift of the detector. The image processor is coupled to the detector and is configured to prepare a fluoroscopic image data as the X-ray image based on the X-ray data. The image processor also corrects a deformation of the fluoroscopic image data.

Growing community of inventors

Shioya-gun, Japan

Akio Tetsuka