公开(公告)号：US20230320615A1

公开(公告)日：2023-10-12

申请号：US18193138

申请日：2023-03-30

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Masahiro FUKUSHIMA ,  Kazuya OKAMOTO

IPC: A61B5/055

CPC classification number: A61B5/055 ,  A61B2017/00911

Abstract: In a medical image diagnostic apparatus according to an embodiment, an array coil includes a first substrate and a second substrate. At least one coil element is formed on the first substrate. The second substrate is a substrate different from the first substrate, and is laminated on the first substrate. At least one coil element is formed on the second substrate. A first coil element formed on the first substrate intersects with a second coil element formed on the second substrate in plan view from a laminating direction from the second substrate laminated on the first substrate toward the first substrate.

公开(公告)号：US20200241098A1

公开(公告)日：2020-07-30

申请号：US16774116

申请日：2020-01-28

Applicant: Canon Medical Systems Corporation

Inventor： Kensuke SHINODA ,  Kazuto NAKABAYASHI ,  Hitoshi KANAZAWA ,  Kazuya OKAMOTO ,  Hiroshi TAKAI ,  Nobuyuki KONUMA ,  Yuichi YAMASHITA

IPC: G01R33/56 ,  G06T5/00 ,  G06T5/50 ,  G06T7/00 ,  A61B5/055 ,  A61B5/00

Abstract: A medical image processing apparatus of embodiments includes processing circuitry. The processing circuitry is configured to acquire a data and a g-factor map. The data is generated as a result of a reception by an RF coil. The processing circuitry is configured to determine strength of denoise performed on the data on the basis of the g-factor map and perform the denoise on the data.

公开(公告)号：US20190072626A1

公开(公告)日：2019-03-07

申请号：US16123545

申请日：2018-09-06

Applicant: Canon Medical Systems Corporation

Inventor： Kazuya OKAMOTO

IPC: G01R33/36 ,  G01R33/34

Abstract: An array coil according to an embodiment includes a plurality of element coils, a first electrically-insulative coupler, and a second electrically-insulative coupler. Each of the plurality of element coils has a first fixation point and a second fixation point. The plurality of element coils are two-dimensionally arrayed in a first direction and a second direction while overlapping one another. The first electrically-insulative coupler is configured to couple together two or more of the first fixation points in the first direction. The second electrically-insulative coupler is configured to couple together two or more of the second fixation points in the first direction.

公开(公告)号：US20250164590A1

公开(公告)日：2025-05-22

申请号：US18949108

申请日：2024-11-15

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Kazuya OKAMOTO

IPC: G01R33/36 ,  G01R33/34

Abstract: A magnetic resonance imaging apparatus includes a top plate on which a reception coil for receiving a magnetic resonance signal is disposed, a top plate communication unit, and a frame communication unit. The top plate communication unit is disposed in an interior of the top plate and configured to be movable inside the top plate. The frame communication unit is disposed in a position at one end of a frame having a bore where the top plate is inserted. The magnetic resonance imaging apparatus executes communication between the top plate communication unit and the frame communication unit.

公开(公告)号：US20250164589A1

公开(公告)日：2025-05-22

申请号：US18953529

申请日：2024-11-20

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Kazuya OKAMOTO ,  Masanori OZAKI

IPC: G01R33/34 ,  G01R33/3415

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a receiver coil that receives a magnetic resonance signal, and a couchtop that a subject is placed on and that moves the subject to an imaging region. The couchtop has a space to stow the receiver coil in one or more portions of: widthwise side portions of the couchtop; lengthwise end portions of the couchtop; and a bottom portion of the couchtop. The receiver coil is configured to be used by being pulled out and/or pushed out from the one or more portions of the couchtop.

公开(公告)号：US20230301597A1

公开(公告)日：2023-09-28

申请号：US17701032

申请日：2022-03-22

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Mark SPRING ,  Yoshinori HAMAMURA ,  Kazuya OKAMOTO ,  Sojiyuuro KATO ,  Kazuyuki SOEJIMA

IPC: A61B5/00 ,  H02J50/40 ,  H02J7/00 ,  H02J50/12 ,  G01R33/36

CPC classification number: A61B5/704 ,  H02J50/402 ,  H02J7/0068 ,  H02J50/12 ,  G01R33/36

Abstract: A patient couch for use in a medical imaging system that includes a gantry, a power supply unit and a driving unit for positioning the patient couch with respect to the gantry. The patient couch includes at least a first connector for supplying a wireless coil (e.g., a radio frequency (RF) coil for an MRI imaging apparatus) with power. The patient couch is detachably connected to the gantry. The power supply is configured to supply the first connector with power and an optional clock synchronization signal.

公开(公告)号：US20230116931A1

公开(公告)日：2023-04-20

申请号：US18084613

申请日：2022-12-20

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Yuichi YAMASHITA ,  Kazuto NAKABAYASHI ,  Hitoshi KANAZAWA ,  Kazuya OKAMOTO ,  Hiroshi TAKAI ,  Nobuyuki KONUMA ,  Kensuke SHINODA

IPC: G01R33/56 ,  G06T5/00 ,  G06T5/50

Abstract: According to one embodiment, a medical information processing apparatus includes processing circuitry configured to derive an index value with respect to noise included in data associated with magnetic resonance signals collected by each of a plurality of reception coils, adjust a degree to which noise is removed from the data associated with the magnetic resonance signals based on the derived index value, remove noise from the data associated with the magnetic resonance signals based on the adjusted degree, and perform compositing of the data associated with the magnetic resonance signals from which noise has been removed.

公开(公告)号：US20240303829A1

公开(公告)日：2024-09-12

申请号：US18443422

申请日：2024-02-16

Applicant: CANON KABUSHIKI KAISHA ,  CANON MEDICAL SYSTEMS CORPORATION

Inventor： Ryuichi NANAUMI ,  Kazuhiko FUKUTANI ,  Kazuya OKAMOTO

IPC: G06T7/246 ,  G06T5/50 ,  G06T5/73

CPC classification number: G06T7/246 ,  G06T5/50 ,  G06T5/73 ,  G06T2207/10088 ,  G06T2207/20201 ,  G06T2207/30004 ,  G06T2207/30196 ,  G06T2207/30204

Abstract: An object motion measurement apparatus includes an imaging device which images an object; and at least one memory and at least one processor which function as: a body motion acquisition unit configured to acquire information related to a motion of the object from an image imaged by the imaging device; an index acquisition unit configured to acquire from the image imaged by the imaging device an index which reflects vibration of an imaging apparatus, which is different from the imaging device and images the object; and an output unit configured to output the index to the imaging apparatus.

公开(公告)号：US20220260659A1

公开(公告)日：2022-08-18

申请号：US17734351

申请日：2022-05-02

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Kensuke SHINODA ,  Kazuto NAKABAYASHI ,  Hitoshi KANAZAWA ,  Kazuya OKAMOTO ,  Hiroshi TAKAI ,  Nobuyuki KONUMA ,  Yuichi YAMASHITA

IPC: G01R33/56 ,  G06T5/00 ,  G06T5/50 ,  A61B5/055 ,  A61B5/00 ,  G06T7/00

Abstract: A medical image processing apparatus of embodiments includes processing circuitry. The processing circuitry is configured to acquire a data and a g-factor map. The data is generated as a result of a reception by an RF coil. The processing circuitry is configured to determine strength of denoise performed on the data on the basis of the g-factor map and perform the denoise on the data.

公开(公告)号：US20200003854A1

公开(公告)日：2020-01-02

申请号：US16451059

申请日：2019-06-25

Applicant: CANON MEDICAL SYSTEMS CORPORATION

Inventor： Kazuya OKAMOTO

IPC: G01R33/36 ,  G01R33/3415

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a receiver array coil structured with a plurality of receiver coils. Each of the receiver coils included in the receiver array coil includes a coil element, a first tuning element configured to tune a tunable frequency of the receiver coil to a desired frequency, and a series circuit including a switching element and a second tuning element and being connected in parallel with the first tuning element. The switching element is configured to disconnect the first tuning element and the second tuning element from each other at the time of transmitting and is configured to arrange the first tuning element and the second tuning element to be electrically conductive with each other at the time of receiving. At least two receiver coils positioned adjacent to each other among the plurality of receiver coils are decoupled from each other.