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公开(公告)号：US09763597B2
公开(公告)日：2017-09-19
申请号：US12108070
申请日：2008-04-23
申请人： Sean Bedilion Fain , Krishna N. Kuprad , Xu Zhai
发明人： Sean Bedilion Fain , Krishna N. Kuprad , Xu Zhai
IPC分类号： A61B5/05 , A61B5/055 , G01R33/34 , G01R33/341 , G01R33/3415
CPC分类号： A61B5/055 , G01R33/34046 , G01R33/34053 , G01R33/341 , G01R33/3415
摘要： A local breast coil is designed to be tightly coupled to the natural shape of the pendant breast to provide high SNR for diagnostic MR imaging applications, while still providing access for interventional procedures through openings in the coil. In accordance with one configuration, the coil has a symmetrical design, such that the coil can be rotated about the breast to position an opening in the coil proximate to a desired portion of the breast without incurring registration or other alignment or artifact errors due to inhomogeneous B1 excitation. Furthermore, the coil is designed to facilitate medial and lateral imaging of the breast. The coil is combined with a patient support system that facilitates rotation of the coil and interchangeability of the coil to match the configuration of the coil to the position of the breast being imaged.
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公开(公告)号：US09726470B2
公开(公告)日：2017-08-08
申请号：US13974753
申请日：2013-08-23
申请人： Stephan Biber , Gerhard Metz
发明人： Stephan Biber , Gerhard Metz
IPC分类号： G01B7/00 , G01R33/36 , A61B5/055 , G01R33/341
CPC分类号： G01B7/003 , A61B5/0555 , A61B2562/08 , G01R33/341 , G01R33/3692
摘要： A method and a device for identifying a position of a local coil of a magnetic resonance imaging scanner relative to a position of a patient couch are provided. The device includes at least one reading unit that is configured to determine a position of at least one label at the local coil relative to the at least one reading unit. The device also includes a position determination apparatus that is configured to determine the position of the patient couch relative to the magnetic resonance imaging scanner. The device includes a position determination apparatus that is configured to determine the position of the local coil relative to the patient couch based on the determined position of the at least one label and the determined position of the patient couch.
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公开(公告)号：US20170212198A1
公开(公告)日：2017-07-27
申请号：US15328816
申请日：2015-07-22
发明人： Mitsuhiro BEKKU , Yuko SUWA , Munetsugu KOHARA , Masanori OZAKI
IPC分类号： G01R33/565 , G01R33/56 , G01R33/341
CPC分类号： G01R33/5659 , G01R33/341 , G01R33/5608
摘要： For the purpose of effectively suppressing shading generated in an image due to B1 inhomogeneity, there are performed an acquiring step of acquiring magnetic resonance signals simultaneously received at a body coil and a surface coil; a filtering step of applying image-based filtering for suppressing shading due to B1 inhomogeneity to a first image according to received signals from the body coil; a calculating step of calculating a sensitivity of the surface coil based on the image-based-filtered first image and a second image according to received signals from the surface coil; and a correcting step of correcting sensitivity unevenness in the second image using the sensitivity.
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公开(公告)号：US09696392B2
公开(公告)日：2017-07-04
申请号：US14774501
申请日：2014-03-14
IPC分类号： G01R33/34 , G01R33/565 , G01R33/341 , G01R33/385 , G01R33/48 , G01R33/54 , G01R33/56
CPC分类号： G01R33/34046 , G01R33/34007 , G01R33/34084 , G01R33/341 , G01R33/3415 , G01R33/365 , G01R33/385 , G01R33/4818 , G01R33/482 , G01R33/546 , G01R33/5608 , G01R33/565
摘要： A method of data acquisition at a magnetic resonance imaging (MRI) system is provided. The system receives at least a portion of raw data for an image, and detects anomalies in the portion of raw data received. When anomalies are detected, the system can correct those anomalies dynamically, without waiting for a new scan to be ordered. The system can attempt to scan the offending portion of the raw data, either upon detection of the anomaly or at some point during the scan. The system can also correct anomalies using digital correction methods based on expected values. The anomalies can be detected based on variations from thresholds, masks and expected values all of which can be obtained using one of the ongoing scan, previously performed scans and apriori information relating to the type of scan being performed.
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公开(公告)号：US20170156629A1
公开(公告)日：2017-06-08
申请号：US15344319
申请日：2016-11-04
发明人： Hyun-hee Jo , Se-jin Yoo
IPC分类号： A61B5/055 , G01R33/341 , G01R33/56 , A61B5/00 , G01R33/54
CPC分类号： A61B5/055 , A61B5/0555 , A61B5/4312 , A61B5/748 , A61B2576/02 , G01R33/546 , G01R33/5601 , G01R33/5608
摘要： A medical imaging apparatus and method capable of simultaneously displaying sagittal plane images and axial plane images of both breasts and navigating through the images . The medical imaging apparatus includes a data acquirer configured to acquire first volume data including first sections of a left breast and a right breast of an object, an image processor configured to generate second volume data including second sections of the left breast and the right breast of the object, based on the first volume data, generate a sagittal plane image and an axial plane image of the first breast and the second breast, based on the first volume data or the second volume data. A display is configured to display a user interface (UI) screen image including the sagittal plane image and the axial plane image.
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46.发明授权公开(公告)号：US09655542B2
公开(公告)日：2017-05-23
申请号：US14581266
申请日：2014-12-23
申请人： ASPECT IMAGING LTD.
发明人： Uri Rapoport , Itzchak Rabinovitz
IPC分类号： A61B5/055 , G01R33/30 , G01R35/00 , A01K1/06 , A01K1/03 , G01R33/36 , G01R33/341 , G01R33/383
CPC分类号： A61B5/0555 , A01K1/03 , A01K1/0613 , A61B2503/40 , A61B2503/42 , A61D3/00 , G01R33/30 , G01R33/341 , G01R33/3628 , G01R33/383 , G01R33/583 , G01R35/00
摘要： An animal handling system (AMS), for positioning an immobilized animal in a predefined configuration therein, comprising an automated tuning unit, including: a proximal portion, held outside a medical device including: at least one inner shaft, and at least one outer shaft, the at least one inner is telescopically maneuverable within the at least one outer shaft providing a variable telescopic mechanism; and a distal portion including: a configurable encapsuable life support system (ELSS), the ELSS is rotatable about a longitudinal axis of the at least outer shaft and the at least inner shaft and translationally moveable parallel to the longitudinal axis by means of the maneuverable telescopic mechanism.
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公开(公告)号：US20170123023A1
公开(公告)日：2017-05-04
申请号：US15318090
申请日：2015-06-10
发明人： Kyoungnam KIM
IPC分类号： G01R33/341 , A61B5/055
摘要： A radio frequency (RF) surface coil unit and a magnetic resonance imaging (MRI) system including the same are provided. The RF surface coil unit is a bulk-type RF surface coil, and includes a plurality of RF coil elements formed on a cylindrical-shaped base, wherein at least one pair of the plurality of RF coil elements include facing RF coil elements that are electrically connected to each other and are formed as one channel.
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公开(公告)号：US20170108562A1
公开(公告)日：2017-04-20
申请号：US15318201
申请日：2015-06-10
发明人： Kyoungnam KIM
IPC分类号： G01R33/341 , G01R33/36 , A61B5/055
CPC分类号： G01R33/341 , A61B5/055 , A61B5/0555 , G01R33/3415 , G01R33/365
摘要： A radio frequency (RF) surface coil unit and a magnetic resonance imaging (MRI) system including the same are provided. The RF surface coil unit includes multiple loop-shaped RF coil elements including at least one first RF coil element having a loop shape and at least one second RF coil element formed in the at least one first RF coil element. The at least one first RF coil element and the at least one second RF coil element are electrically connected to each other and formed as one channel.
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公开(公告)号：US20170082716A1
公开(公告)日：2017-03-23
申请号：US15260535
申请日：2016-09-09
申请人： Andreas Greiser , Maria Kröll , Dominik Paul , Steffen Schröter , Jens Thöne
发明人： Andreas Greiser , Maria Kröll , Dominik Paul , Steffen Schröter , Jens Thöne
IPC分类号： G01R33/567 , G01R33/341 , G01R33/28
CPC分类号： G01R33/5673 , G01R33/283 , G01R33/341 , G01R33/546
摘要： A method is provided for recording, with a magnetic resonance device, magnetic resonance data of a target region of a patient moved by their breathing. An optical camera arranged in a bore of the magnetic resonance device directed onto the patient is used. Image data of the patient recorded by the camera before and/or during the recording of the magnetic resonance data is evaluated to form breathing information describing the breathing state and the breathing information is used for triggering and/or movement correction and/or assessment of a process in which a patient holds their breath.
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公开(公告)号：US09599688B2
公开(公告)日：2017-03-21
申请号：US13750984
申请日：2013-01-25
申请人： VISTA CLARA INC.
IPC分类号： G01R33/44 , G01R33/32 , G01N24/08 , G01V3/14 , G01R33/341
CPC分类号： G01R33/448 , G01N24/081 , G01R33/32 , G01R33/341 , G01R33/445 , G01V3/14
摘要： NMR relaxation time estimation methods and corresponding apparatus generate two or more alternating current transmit pulses with arbitrary amplitudes, time delays, and relative phases; apply a surface NMR acquisition scheme in which initial preparatory pulses, the properties of which may be fixed across a set of multiple acquisition sequence, are transmitted at the start of each acquisition sequence and are followed by one or more depth sensitive pulses, the pulse moments of which are varied across the set of multiple acquisition sequences; and apply processing techniques in which recorded NMR response data are used to estimate NMR properties and the relaxation times T1 and T2* as a function of position as well as one-dimensional and two-dimension distributions of T1 versus T2* as a function of subsurface position.
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