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    • 33. 发明申请
    • 磁気共鳴イメージング装置、受信コイル、寝台、及び中継ユニット
    • 磁共振成像装置,接收线圈,床和继电器单元
    • WO2014034817A1
    • 2014-03-06
    • PCT/JP2013/073231
    • 2013-08-29
    • 株式会社東芝東芝メディカルシステムズ株式会社
    • 森 秋夫高木 三男
    • A61B5/055
    • G01R33/36A61B5/055A61B5/0555A61B5/7203G01R33/30G01R33/34G01R33/341G01R33/3621
    •  実施形態に係る磁気共鳴イメージング装置(100)は、寝台(4)と、架台部(12)と、受信コイル(6)と、変換ユニット(20)と、収集ユニット(10)とを備える。寝台(4)は、被検体が置かれる。架台部(12)は、静磁場磁石(1)及び傾斜磁場コイル(2)を支持する。受信コイル(6)は、前記被検体から放射される磁気共鳴信号を受信する。変換ユニット(20)は、前記受信コイル(6)から出力される磁気共鳴信号をデジタル信号に変換して磁気共鳴信号データを生成する。収集ユニット(10)は、前記磁気共鳴信号データを収集する。そして、寝台(4)又は架台部(12)は、前記受信コイル(6)と前記収集ユニット(10)とを接続するコイルポート(13)を有し、変換ユニット(20)は、前記コイルポート(13)、又は、前記受信コイル(6)と前記コイルポート(13)とを中継する中継ユニット(30)に設けられる。
    • 根据实施例的磁共振成像装置(100)包括床(4),平台部分(12),接收线圈(6),转换单元(20)和收集单元(10)。 一个主题放在床上(4)。 平台部分(12)支撑静磁场(1)和梯度磁场线圈(2)。 接收线圈(6)接收从受检者辐射的磁共振信号。 转换单元(20)将从接收线圈(6)输出的磁共振信号转换为数字信号,并产生磁共振信号数据。 收集单元(10)收集磁共振信号数据。 床(4)或平台单元(12)还包括连接接收线圈(6)和收集单元(10)的线圈端口(13)。 转换单元(20)设置在线圈端口(13)上,或设置在在接收线圈(6)和线圈端口(13)之间提供继电器的中继单元(30)上。
    • 34. 发明申请
    • MRI SCANNER
    • MRI扫描仪
    • WO2013148310A1
    • 2013-10-03
    • PCT/US2013/032001
    • 2013-03-15
    • HOLOGIC, INC.
    • BRADSHAW, Kenneth
    • G01R33/385
    • G01R33/3852G01R33/30G01R33/3806G01R33/3808G01R33/3858G01R33/3875G01R33/445G01R33/48
    • Systems and methods for improving patient comfort and throughput of magnetic resonance imaging by providing at least one patient imaging area outside a bore of a magnet of a magnetic resonance imaging device. An embodiment of an apparatus for providing at least one patient imaging area outside the bore comprises a first shim disposed external to and spaced apart from a first opening of the bore to form a first patient imaging area between the first shim and the first opening, wherein the first shim is configured to direct a magnetic field of the magnet into the first patient imaging area to provide a first magnetic field in the first patient imaging area. Methods of magnetic resonance imaging outside the bore are also disclosed.
    • 通过在磁共振成像装置的磁体的孔的外部提供至少一个患者成像区域来提高磁共振成像的患者舒适度和吞吐量的系统和方法。 用于在孔外提供至少一个患者成像区域的装置的实施例包括设置在所述孔的第一开口的外部并与所述孔的第一开口间隔开的第一垫片,以在所述第一垫片和所述第一开口之间形成第一患者成像区域,其中 第一垫片被配置为将磁体的磁场引导到第一患者成像区域中,以在第一患者成像区域中提供第一磁场。 还公开了孔外的磁共振成像方法。
    • 35. 发明申请
    • MRI SYSTEM FOR MARGIN ASSESSMENT OF EX-VIVO SAMPLE
    • MRI系统用于评估样本
    • WO2013142459A2
    • 2013-09-26
    • PCT/US2013/032898
    • 2013-03-19
    • CLEAR-CUT MEDICAL LTD.KLEIN, David
    • GOLAN, Erez
    • G01R33/30
    • G01N24/082G01R33/30G01R33/341G01R33/3415G01R33/381G01R33/383G01R33/48G01R33/483G01R33/56375
    • A system for margin assessment of an ex-vivo tissue (25) is provided, including a magnetic resonance imaging (MRI) scanner (14) controlled by a control unit (12), and a tissue container (24) for holding a sample of an ex-vivo tissue (25). The MRI scanner (14) includes a coil-magnet assembly (31) including magnets (34), wherein the tissue (25), placed in the container (24), is placed under a constant static magnetic field (Bo), which is induced by the magnets (34), and the container (24) is positioned so the sensitive region is within a measured field of view (FOV) excited by one or more transmit/receive coils (38) operative to generate a time-varying RF B1 electro-magnetic field pointing towards the tissue (25), and wherein the container (24) is fixed on a moving table (40).
    • 提供了一种用于离体组织(25)的边缘评估的系统,包括由控制单元(12)控制的磁共振成像(MRI)扫描器(14)和用于保持样品的样品的组织容器(24) 离体组织(25)。 MRI扫描器(14)包括包括磁体(34)的线圈 - 磁体组件(31),其中放置在容器(24)中的组织(25)被放置在恒定的静态磁场(Bo) 由磁体(34)引起的,并且容器(24)被定位成使得敏感区域在由一个或多个发射/接收线圈(38)激发的测量视场(FOV)内,可操作地产生时变RF B1电磁场指向组织(25),并且其中容器(24)固定在移动台(40)上。
    • 36. 发明申请
    • INTERPOLATED THREE-DIMENSIONAL THERMAL DOSE ESTIMATES USING MAGNETIC RESONANCE IMAGING
    • 使用磁共振成像的内插三维热剂量估计
    • WO2013140284A1
    • 2013-09-26
    • PCT/IB2013/051726
    • 2013-03-05
    • KONINKLIJKE PHILIPS N.V.
    • KÖHLER, Max Oskar
    • G01R33/48
    • G01R33/4804A61B5/015A61B5/055G01R33/30G01R33/31G01R33/4814
    • The invention provides for a medical apparatus (400, 500, 600, 700, 800) comprising a magnetic resonance imaging system (402) for acquiring magnetic resonance thermometry data (442) from a subject (418). The magnetic resonance imaging system comprises a magnet (404) with an imaging zone (408). The medical apparatus further comprises a memory (432) for storing machine executable instructions (460, 462, 464, 466, 10, 660). The medical apparatus further comprises a processor (426) for controlling the medical apparatus, wherein execution of the machine executable instructions causes the processor to: acquire (100, 200, 300) the magnetic resonance thermometry data from multiple slices (421, 421', 421'') within the imaging zone by controlling the magnetic resonance imaging system; and interpolate (102, 202, 204, 302, 304) a three dimensional thermal dose estimate (444) in accordance with the magnetic resonance thermometry data.
    • 本发明提供一种包括用于从受检者(418)获取磁共振测温数据(442)的磁共振成像系统(402)的医疗装置(400,500,600,700,800)。 磁共振成像系统包括具有成像区(408)的磁体(404)。 医疗设备还包括用于存储机器可执行指令(460,462,446,466,10,660)的存储器(432)。 医疗设备还包括用于控制医疗设备的处理器(426),其中机器可执行指令的执行使得处理器从多个切片(421,421',...)获取磁共振测温数据(100,200,300) 421“),通过控制磁共振成像系统; 并根据磁共振测温数据内插(102,202,204,302,304)三维热剂量估计(444)。
    • 38. 发明申请
    • FAIL-SAFE AND EASY ACCESS LOCK FOR MRI RECEIVER COIL
    • 磁共振接收机线圈失效安全和轻松访问锁定
    • WO2012143827A1
    • 2012-10-26
    • PCT/IB2012/051791
    • 2012-04-12
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.FRIMAN, Olli, Tapio
    • FRIMAN, Olli, Tapio
    • G01R33/34
    • G01R33/34092G01R33/30G01R33/34007G01R33/34084G01R33/3415
    • A local radio frequency (RF) coil assembly (A) defining a pediatric patient receiving region (12) to be mounted to a patient support table (B) of an MRI scanner (E). The local RF coil assembly (A) includes a rigid coil body (16,18) operatively connected to an adjustable coil part (20) along a hinge axis (26). A carrier (F) is configured to receive a pediatric patient (C) and be positioned into engagement with the local RF coil assembly (A).An interlock assembly (51) holds the adjustable coil part (20) in a selected position (50) when the carrier (F) interacts with the adjustable coil part (20). At least one bearing (34, 36) is configured to pivot and bias the adjustable coil part (20) relative to the carrier (F) and gravity bias the interlock assembly and the carrier (F) into an interlocking engagement. The adjustable coil part (20) is gravity biased to the open position (28) when the carrier (F) is removed.
    • 定义要安装到MRI扫描仪(E)的患者支撑台(B)的儿科患者接收区域(12)的局部射频(RF)线圈组件(A)。 本地RF线圈组件(A)包括沿着铰链轴线(26)可操作地连接到可调节线圈部分(20)的刚性线圈体(16,18)。 托架(F)被构造成接纳儿科患者(C)并定位成与本地RF线圈组件(A)接合。互锁组件(51)将可调线圈部分(20)保持在选定位置(50 )当载体(F)与可调线圈部分(20)相互作用时。 至少一个轴承(34,36)构造成相对于所述载体(F)枢转并偏压所述可调节线圈部分(20),并将所述联锁组件和所述载体(F)重力偏置成互锁接合。 当载物(F)被移除时,可调线圈部分(20)被重力偏压到打开位置(28)。