公开(公告)号：US20180116524A1

公开(公告)日：2018-05-03

申请号：US15850370

申请日：2017-12-21

Applicant: FUJIFILM Corporation

Inventor： Yuzo AOSHIMA ,  Ryosuke OGURA ,  Fumito NARIYUKI ,  Masayoshi MATSUURA ,  Haruyasu NAKATSUGAWA

IPC: A61B5/00 ,  A61B6/00 ,  A61B6/12

Abstract: A radiography apparatus includes a radiation emitting device that irradiates a subject with radiation, a camera that captures an image of the subject to acquire a captured image of the subject, and a radiation detector that detects the radiation transmitted through the subject and generates a radiographic image of the subject. The driving state of at least one of the radiation emitting device or the radiation detector is controlled on the basis of whether the radiation detector is included in the captured image.

公开(公告)号：US20180000443A1

公开(公告)日：2018-01-04

申请号：US15623391

申请日：2017-06-15

Applicant: FUJIFILM Corporation

Inventor： Masayoshi MATSUURA ,  Naoaki HAGIWARA ,  Takeyasu KOBAYASHI

IPC: A61B6/00

CPC classification number: A61B6/56 ,  A61B6/4283 ,  A61B6/4405 ,  A61B6/587

Abstract: A radiation irradiation device includes a radiation generating part that generates radiation; an arm part having the radiation generating part attached to one end thereof; a main body part having the other end of the arm part connected thereto; an electric power supply part provided at the main body part; and a cable part for electrically connecting the power supply part and the radiation part. The electric power supply part has a battery part having lithium ion batteries connected in parallel, and a first booster circuit part that boosts a voltage output from the battery part. The radiation generating part has a second booster circuit part that further boosts a voltage that is boosted by the first booster circuit part and is input to the radiation generating part via the cable part which is extended along the arm part.

公开(公告)号：US20160183889A1

公开(公告)日：2016-06-30

申请号：US14936689

申请日：2015-11-10

Applicant: FUJIFILM CORPORATION

Inventor： Masayoshi MATSUURA

IPC: A61B6/04 ,  A61B6/10 ,  A61B6/00

CPC classification number: A61B6/54 ,  A61B6/0414 ,  A61B6/502

Abstract: A mammography apparatus includes: an imaging table housing a radiation detector that detects radiation that has passed through a breast of a subject; a first press member that presses the breast downward from above in a case in which radiation is being detected by the radiation detector; and a second press member that is provided facing the first press member and that presses the breast upward from below, wherein an end portion of the second press member at a chest wall side of the subject is supported by the imaging table.

Abstract translation: 乳房摄影装置包括：成像台，其容纳检测已经通过被检体的乳房的辐射的放射线检测器; 在辐射检测器检测到辐射的情况下，从上方将乳房向下方按压的第一按压部件; 以及第二按压构件，其面向所述第一按压构件设置并将所述乳房从下方向上挤压，其中所述被检体的胸壁侧的所述第二按压构件的端部被所述成像台支撑。

公开(公告)号：US20250160774A1

公开(公告)日：2025-05-22

申请号：US18939552

申请日：2024-11-07

Applicant: FUJIFILM CORPORATION

Inventor： Hisatsugu HORIUCHI ,  Masayoshi MATSUURA ,  Kyohei MORI ,  Tomoaki NAKASHIMA ,  Akihito BETTOYASHIKI

IPC: A61B6/00 ,  A61B6/10

Abstract: A radiation irradiation apparatus that is configured to independently travel from a decubitus table on which a subject can be placed, the radiation irradiation apparatus including: an attachment portion that allows the radiation irradiation apparatus to be attached to and detached from the decubitus table; a radiation irradiation portion capable of emitting radiation to the subject; a holding portion that is provided at a distal end portion thereof with the radiation irradiation portion and that holds the radiation irradiation portion to be displaceable; and a restriction mechanism that restricts displacement of the holding portion, in which the radiation irradiation apparatus is attached to the decubitus table through the attachment portion to release restriction of the displacement in the restriction mechanism.

公开(公告)号：US20220285121A1

公开(公告)日：2022-09-08

申请号：US17673735

申请日：2022-02-16

Applicant: FUJIFILM CORPORATION

Inventor： Masayoshi MATSUURA

IPC: H01J35/06 ,  H01J35/08 ,  H01J35/16 ,  H05G1/32

Abstract: A radiation tube that is used in a radiation source for radiography includes: an electron emitting unit that includes a cathode unit having an emitter electrode which emits electrons and a gate electrode; an anode unit that has an anode surface facing the cathode unit and collides with the electrons to generate radiation; a constant voltage supply unit that supplies a constant driving voltage to the gate electrode; and a vacuum tube that accommodates the constant voltage supply unit, the electron emitting unit, and the anode unit.

公开(公告)号：US20220208504A1

公开(公告)日：2022-06-30

申请号：US17695843

申请日：2022-03-16

Applicant: FUJIFILM CORPORATION

Inventor： Masayoshi MATSUURA

IPC: H01J35/14 ,  A61B6/02 ,  H01J35/06 ,  H01J35/08

Abstract: A radiation tube attachment member includes: a common substrate that supports one end side of each of a plurality of radiation tubes and holds the plurality of radiation tubes in a state in which the plurality of radiation tubes are arranged; and a positioning portion that is provided in the common substrate and locates a focus of each of the plurality of radiation tubes at which radiation is emitted at a target position.

公开(公告)号：US20250164414A1

公开(公告)日：2025-05-22

申请号：US18939554

申请日：2024-11-07

Applicant: FUJIFILM CORPORATION

Inventor： Hisatsugu HORIUCHI ,  Kyohei MORI ,  Ryosuke OGURA ,  Masayoshi MATSUURA ,  Koji TANINAI

IPC: G01N23/04

Abstract: A radiography system includes a decubitus table and a radiation source unit that is configured to be independently movable from the decubitus table and includes a radiation source. The radiation source unit is capable of being attached to and detached from the decubitus table, and has an attachment portion that supports at least a part of a weight of the radiation source unit in a state in which the radiation source unit is attached to the decubitus table. The decubitus table has a guide mechanism that guides a movement of the radiation source unit attached through the attachment portion.

公开(公告)号：US20240264209A1

公开(公告)日：2024-08-08

申请号：US18638601

申请日：2024-04-17

Applicant: FUJIFILM CORPORATION

Inventor： Masayoshi MATSUURA ,  Yuji IKEDA

IPC: G01R21/06 ,  H02M3/24

CPC classification number: G01R21/06 ,  H02M3/24

Abstract: A control device includes processor causing converter to output a direct current voltage corresponding to output target power, if the output target power is less than or equal to first threshold value and exceeds second threshold value, fix the direct current voltage to first voltage, fix frequency, and control pulse width such that a tube voltage record value matches the output target tube voltage, if the output target power is less than or equal to second threshold value, fix the direct current voltage to first voltage, fix the pulse width, and control frequency such that the tube voltage record value matches the output target tube voltage, and if the output target power is less than or equal to third threshold value, decrease the direct current voltage to second voltage, and control pulse width and frequency such that the tube voltage record value matches the output target tube voltage.

公开(公告)号：US20200337656A1

公开(公告)日：2020-10-29

申请号：US16858305

申请日：2020-04-24

Applicant: FUJIFILM Corporation

Inventor： Masayoshi MATSUURA

IPC: A61B6/00 ,  G01N23/046

Abstract: A radiography apparatus includes a radiation generation unit that has a plurality of radiation sources generating radiation toward a subject, a C-arm that supports the radiation generation unit in a first end portion as one end, a radiography unit that is provided in a second end portion as the other end of the C-arm to face the radiation generation unit and images the subject using radiation, an imaging direction designation unit that designates an imaging direction of the subject, and a radiation source selection unit that selects the radiation source for use in imaging among the plurality of radiation sources using the designation of the imaging direction.

公开(公告)号：US20190304736A1

公开(公告)日：2019-10-03

申请号：US16369988

申请日：2019-03-29

Applicant: FUJIFILM Corporation

Inventor： Masayoshi MATSUURA ,  Takeyasu KOBAYASHI ,  Shunsuke KODAIRA

IPC: H01J35/16

Abstract: An X-ray tube includes: a cathode assembly that emits electrons; an anode that receives the electrons and generates X-rays; an envelope that is a case having the cathode assembly and the anode accommodated therein; a first shielding portion that shields the X-rays between the envelope and the cathode assembly on a reference line that connects a center of a point where the electrons are generated and a center of a point where the X-rays are generated; and a second shielding portion that shields the X-rays between the envelope and the cathode assembly in a direction perpendicular to the reference line from the center of the electron generation point.