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1.发明授权公开(公告)号：US12205199B2
公开(公告)日：2025-01-21
申请号：US17577689
申请日：2022-01-18
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Abstract: An information processing method of an embodiment is a processing method of information acquired by imaging performed by a medical image diagnostic apparatus, the information processing method includes the steps of: acquiring noise data by imaging a phantom using a medical imaging apparatus; based on first subject projection data acquired by the imaging performed by a medical image diagnostic modality of a same kind as the medical image diagnostic apparatus and the noise data, acquiring synthesized subject data in which noise based on the noise data is added to the first subject projection data; and acquiring a noise reduction processing model by machine learning using the synthesized subject data and second subject projection data acquired by the imaging performed by the medical image diagnostic modality.
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公开(公告)号：US20250009304A1
公开(公告)日：2025-01-09
申请号：US18893919
申请日：2024-09-23
Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Inventor： Hongcheng YANG , Supratik BOSE
Abstract: A radiotherapy system is provided. The radiotherapy system may include a treatment component, an imaging component, and a table being movable between the treatment component and the imaging component along a first direction in a first coordinate system. The table may have a plurality of cross sections perpendicular to the first direction. The table may include a positioning line that extends along the first direction and have a positioning feature. The positioning feature may have a plurality of feature values. Each feature value may correspond to one of the plurality of cross sections.
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公开(公告)号：US20250000474A1
公开(公告)日：2025-01-02
申请号：US18763598
申请日：2024-07-03
Applicant: RefleXion Medical, Inc.
Inventor： Hewei GAO , Zhihui SUN
Abstract: Disclosed herein are methods for reducing beam-hardening artifacts in CT imaging using a mapping operator that comprises a hybrid spectral model that incorporates air scan X-ray intensity data acquired at two different effective mean energies. In one variation, the air scan X-ray intensity data acquired during a calibration session is combined with an ideal spectral model for each X-ray detector to derive the hybrid spectral mode. A mapping operator based on the hybrid spectral model is used to correct beam-hardening artifacts in the acquired CT projection data. In some variations, the mapping operator is a lookup table of monochromatic (corrected) projection values, and the acquired CT projection data is used to calculate the index of the lookup table entry that contains the corrected projection value that corresponds with the acquired CT projection data.
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公开(公告)号：US20250000470A1
公开(公告)日：2025-01-02
申请号：US18756119
申请日：2024-06-27
Applicant: Siemens Healthineers AG
Inventor： Magdalena HERBST , Marcel BEISTER , Thomas WEBER , Ludwig RITSCHL
Abstract: A computer-implemented method for operating an X-ray device during an imaging process on an examination object, comprises: ascertaining extension information from measurement data of at least one measuring device, the extension information describing extension of the examination object in at least one spatial direction; and parameterizing a reconstruction process based on the extension information; wherein an image dataset covering a reconstruction area is reconstructed in the reconstruction process from projection images of the examination object, which are captured in different projection geometries of an X-ray emitter relative to an X-ray detector of the X-ray device.
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公开(公告)号：US20240423562A1
公开(公告)日：2024-12-26
申请号：US18827885
申请日：2024-09-09
Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Inventor： Xiaofen ZHAO
IPC: A61B6/04 , A61B5/055 , A61B6/00 , A61B6/46 , A61B6/58 , G06F3/0482 , G06F3/04847 , G06T7/00 , G06T7/50 , G06T7/70
Abstract: Systems and methods for positioning in medical systems are provided. The system may obtain data associated with a scanning range of a subject. The system may also obtain an image of the subject on a couch of a medical radiation device. The image may be acquired by an imaging device when the couch is at a first position. The system may determine a position of the scanning range of the subject in the image. The system may further cause, based on the position of the scanning range in the image, the couch to move to a second position. The scanning range of the subject may be in a radiation region of the medical radiation device when the couch is located at the second position.
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Patent Agency Ranking
公开(公告)号：US12171601B2
公开(公告)日：2024-12-24
申请号：US18424006
申请日：2024-01-26
Applicant: Pulmera, Inc.
Inventor： Bryan I. Hartley , Rene Vargas-Voracek , Ke Li
Abstract: Systems, methods, and devices for medical imaging are disclosed herein. In some embodiments, a method for imaging an anatomic region includes receiving, from a detector carried by an imaging arm of an x-ray imaging apparatus, a plurality of images of the anatomic region. The images can be obtained during manual rotation of the imaging arm. The imaging arm can be stabilized by a shim structure during the manual rotation. The method can also include receiving, from at least one sensor coupled to the imaging arm, pose data of the imaging arm during the manual rotation. The method can further include generating, based on the images and the pose data, a 3D representation of the anatomic region.
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公开(公告)号：US20240415484A1
公开(公告)日：2024-12-19
申请号：US18816751
申请日：2024-08-27
Applicant: OXOS Medical, Inc.
Inventor： Jason FRANKLIN , Gregory Paul KOLOVICH , Evan RUFF , Addison SHELTON , Igor ZAMLINSKY
Abstract: Versatile, multimode radiographic systems and methods utilize portable energy emitters and radiation-tracking detectors. The x-ray emitter may include a digital camera and, optionally, a thermal imaging camera to provide for fluoroscopic, digital, and infrared thermal imagery of a patient for the purpose of aiding diagnostic, surgical, and non-surgical interventions. The emitter may cooperative with an inventive x-ray capture stage that automatically pivots, orients and aligns itself with the emitter to maximize exposure quality and safety. The combined system uses less power, corrects for any skew or perspective in the emission, allows the subject to remain in place, and allows the surgeon's workflow to continue uninterrupted.
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公开(公告)号：US20240398370A1
公开(公告)日：2024-12-05
申请号：US18804686
申请日：2024-08-14
Applicant: OXOS Medical, Inc.
Inventor： Evan RUFF , Paul BENNETT , Dhruv VISHWAKARMA , Gregory Paul KOLOVICH
Abstract: Methods and systems for x-ray and fluoroscopic image capture and, in particular, to a versatile, multimode imaging system incorporating a hand-held x-ray emitter operative to capture digital or thermal images of a target; a stage operative to capture static x-ray and dynamic fluoroscopic images of the target; a system for the tracking and positioning of the x-ray emission; a device to automatically limit the field of the x-ray emission; and methods of use. Automatic systems to determine the correct technique factors for fluoroscopic and radiographic capture, ex-ante.
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公开(公告)号：US12156755B2
公开(公告)日：2024-12-03
申请号：US17580732
申请日：2022-01-21
Applicant: Auris Health, Inc.
Inventor： Sean P. Walker , Serena H. Wong , June Park , Neal A Tanner
IPC: A61B6/12 , A61B5/00 , A61B6/00 , A61B6/03 , A61B6/58 , A61B8/12 , A61B90/00 , A61M25/01 , G01B11/14 , G01B11/24 , G01B21/04
Abstract: For position sensors, e.g., a fiber-based system, that build a shape of an elongated member, such as a catheter, using a sequence of small orientation measurements, a small error in orientation at the proximal end of the sensor will cause large error in position at distal points on the fiber. Exemplary methods and systems are disclosed, which may provide full or partial registration along the length of the sensor to reduce the influence of the measurement error. Additional examples are directed to applying selective filtering at a proximal end of the elongated member to provide a more stable base for distal measurements and thereby reducing the influence of measurement errors.
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公开(公告)号：US20240386565A1
公开(公告)日：2024-11-21
申请号：US18662161
申请日：2024-05-13
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Takahiro YODA , Yojiro SUZUKI
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires, from a storage unit that stores defect maps indicating an arrangement of defective detection elements in an X-ray detector including a plurality of detection elements that detect X-rays, a plurality of the defect maps at different timings, generates an interpolation target map regarding the positions of some of the detection elements included in any of the plurality of the acquired defect maps, and generates interpolated data, in which detection results by the X-ray detector are interpolated, on the basis of the generated interpolation target map.
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