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q SILENT MR Neuro. Package
q 神经系统应用软件包
Silent MR 3.0T delivers the highest image quality on rutine application and delivers advanced application such as DWI, PWI and DTI. All these will bring superb image quality and diagnostic confidence to your facility, even with the most challenging of patients.
Silent MR 3.0T能够得到最高的常规图像质量。无论是常规SE序列图像，还是GRE序列的图像，其高信噪比、高分辨率的影像能够实现最高的病变检出率，对先天性的疾病、感染性的疾病、肿瘤其他领域的疾病能够快速准确的得到它们的影像信息。不但如此，高分辨率成像和超快速成像技术对神经系统血管的疾病能够进行敏感准确的影像诊断。
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q Adaptive Phase Array for Spine Imaging
q 脊柱成像优化软件包
Based on Auto N-coil function, APA solved the problem by identifying the ghosting receivers beforehand and hardcoding these receivers in the coil configuration file. The ghosts occur in one or more elements of a multicoil array and extend physically beyond the selected FOV. These ghosts, which can run across the entire phase encoding dimension of the offending receiver’s image, often lie on the anatomy of interest. By calculating the mean for each intermediate image, the new version of APA identifies the right receiver’s images that contain ghosting and rejects them from the final combined image. APA achieves this by selecting the maximum mean of the signal from each coil and calculates the threshold of each image. APA runs during prescan. It is a new entry point in prescan just before Scan TR. The best receivers are found during prescan and a message is sent to bias off the unused coil elements. It is far more effective than Auto N-coil because the currents to the unused coil elements are actually turned off and hence there should be no interference from adjoining elements. This greatly reduces annefact.
在自动N-coil功能的基础上，脊柱成像优化软件包（APA）通过预先界定多线圈单元接收的伪影，重新编码线圈单元接收的配置来解决问题。伪影产生于固有的多单元相控阵并列采集时一个或多个线圈单元超出选择的扫描野范围之外。这些伪影会出现在整个相位编码方向上，并且经常影响到重要的解剖部位。通过计算中间图像的平均值，最新版本的APA功能准确的鉴别将会包含伪影的接收单元图像，并且在最后的联合图像中删除这部分信息。APA功能选择每个线圈单元信号的最大平均值并计算每个图像的域值。APA在TR之前的预扫描中执行，找到最佳的接收方式，并且传递信息偏置不用无效的线圈单元。APA功能比Auto N-coil功能远远有效，因为无效线圈单元内的电流被准确地切断了，没有来自邻近单元的干扰，因而非常明显地减少了伪影。 |
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q BodyPak.
q 体部优化成像软件包
BodyPak software is comprised of Fast Recovery FSE Breathhold Imaging, Dual-Echo Fast Gradient Echo Breathhold Imaging, and Multi-Angle SSFSE with ETL 352. Adding Fast Recovery capability, optimizing slice-ordering scheme for breathhold Acquisition, and blurring cancellation to reduce ghosting and improve image quality have improved the FSE-XL pulse sequence. FRFSE provides superior T2-weighted images in a single breathhold with high spatial resolution. Dual echo FGRE for T1-weighted breathhold Imaging the FGRE pulse-sequence has been improved to acquire both water fat in-phase and out-of phase images simultaneously in a single breathhold. These modifications provide excellent T1-weighted images with high spatial resolution. SSFSE with multi-angle and 352-ETL, the SSFSE pulse-sequence has been enhanced by adding multi-angle capability and a maximum ETL of 352, thus allowing the acquisition of higher spatial resolution of long TE MRCP images.
BodyPak 包括快速恢复快速回波序列FRFSE 屏气成像，双回波快速梯度回波屏气成像，和多角度单次激发352回波链的 FSE成像。FSE－XL序列由于融合了快速恢复的功能，优化了屏气采集的层面采集顺序，避免错层漏层，并且能消除模糊，降低伪影，大大提高了图像质量。快速恢复的快速自旋回波FRFSE可提供高级T2WI，在单次屏气过程中可进行高分辨率成像。双回波FGRE 的T1权重屏气成像，在单次屏气过程中同时采集水脂同相和水脂反相的图像。这些技术提供了优秀的高分辨率T1权重像。SSFSE强化脉冲序列具备多激发角度和352个回波链，能采集高空间分辨率长TE的MRCP磁共振胰胆管成像。
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q OS. Package
q 骨关节成像软件包
Silent MR 3.0T takes musculoskeletal imaging to new levels of exquisite detail. Leveraging 3.0T SNR complimented with multi-channel and high-density phased array capabilities, orthopedic applications are taken to levels of unprecedented image quality and spatial resolutions. The best magnetic homogeneity can deliver excellent Fat sat on each part of the musculoskeletal system.
在业界最好的磁场均匀性和肢体关节专用线圈的硬件基础上，结合良好的脂肪抑制技术和丰富的脉冲序列和软件，Silent MR 3.0T能够得到最好的骨关节图像，敏感发现骨关节的任何微小病变. |
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q Water Imaging
q 水成像软件包
Not only SSFSE, but GE’s exclusive FRFSE can achieve ultra-fast water imaging such as MRCP, MRU, MRM, etc.
Silent MR 3.0T不但具备SSFSE超快速水成像技术，而且GE独有的FRFSE水成像技术可以快速得到高分辨率的各部位水成像。如MR胆道系统水成像，MR泌尿系统水成像，MR脑脊液水成像等等。
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q Ultra short TR and TE
q 超短TR TE快速成像功能
This feature is an enhancement to the current products including the 3D Fast Gradient Echo, 3D Fast GRE/SPGR, 3D Fast TOF GRE/SPGR, PSD and makes shorter minimum TRs available. Shorter TR’s in 3D Contrast Enhanced Magnetic Resonance Angiography (MRA) are translated to reduced scan time. This allows you shorter overall scan time, more coverage, and higher spatial resolution. Shortened TRs, when combined with elliptical centric view ordering, allows a larger fraction of K space to be acquired during the arterial phase of the bolus, resulting in better contrast between arteries and background, including greater suppression of venous signal. In a multiphase exam, shorter TRs are translated to a higher temporal resolution. Multiphase 3D CEMRA (contrast enhanced magnetic resonance angiography) with sufficient temporal resolution allows the arteries of interest to be imaged without the enhancement of parenchyma, improving the conspicuity of the arteries.
此项高级功能强化了目前的产品序列如：3D Fast Gradient Echo三维快速梯度回波序列，3D Fast GRE/SPGR三维快速扰相梯度回波，3D Fast TOF GRE/SPGR三维快速时飞脉冲序列等等都可以获得更短的TR时间。短TR在三维增强的MRA血管造影中可以直接减少扫描时间，这就缩短了整体的检查时间，扫描覆盖范围更大，层数更多，空间分辨率更高。缩短TR，结合椭圆中心填充法，在增强的动脉期内大大扩展了K空间的采样，可获得优秀的动脉对比，并且很好地抑制了静脉的信号。在多时相采集中，短TR时间可获得更高的时间分辨率。多时相的三维增强磁共振血管造影3D CEMRA这种对时间分辨率要求很高的成像中，短TR成像可以获得纯动脉影像，摒除实质软组织和静脉的干扰，大大提高动脉成像的效率。
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q T1FLAIR
q T1加权自由水抑制成像
Compared to the T1 weighted spin echo sequences, T1 Flair images are displayed with improved contrast to noise, and signal-to-noise ratios. T1 FLAIR weighted images have an improved image contrast and more SNR than FSE images. It is less sensitive to magnetic field inhomogeneities and off-center FOV effects. T1 Flair pulse sequences are designed to scan the same number of slices as the T1 weighted spin echo sequence, but in a shorter scan time and achieve better tissue contrast-to-noise as well as signal-to-noise ratios.
T1加权自由水抑制成像比自旋回波T1加权像大大提高了对比噪声比和信号噪声比。同时，T1 FLAIR图像相比快速自旋回波序列图像也大大提高图像对比度和信噪比。对磁场的不均匀不敏感，也适用于偏中心扫描野的成像。T1 FLAIR脉冲序列优化设计，在同样扫描层数的情况下比自旋回波序列缩短扫描时间，并且获得更好的对比噪声比和信号噪声比。
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q FLAIR EPI
q EPI自由水抑制技术
Echoplanar imaging is what enables the rapid imaging required for studies like functional brain mapping. Both EchoPlanar and FLAIR EchoPlanar techniques make it easier to generate neuro studies from uncooperative patients who simply refuse to stay still long enough for conventional techniques.
EPI自由水抑制技术能够快速获得良好的头部图像信息，从而敏感发现头部病变，尤其是对难以良好合作的患者和难以持续较长时间检查的患者。
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q FSE-XL
q 快速自旋回波回波链技术
FSE-XL is Fast Spin Echo XL Imaging pulse Sequence designed for acquiring High Spatial Resolution and High Signal to Noise Ratio Images. It provides flexibility with TR, receiver BW, ZIP 512; also optimizing the Phase-Encode Ordering scheme as well as the Fractional NEX’s Optimized Data Acquisition.
FSE－XL是快速自旋回波序列，提供优化的多回波链FSE，应用于采集高空间分辨率，高信噪比的图像。可自由选择TR时间，接收带宽，ZIP技术等等。另外，还有优化的相位编码排序，优化的部分激励次数选择可提供最优的数据采集。 |
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q SSFSE-XL
q 超快速单次激发快速自旋回波
SSFSE-XL is Single Shot Fast Spin Echo XL Imaging pulse Sequence, designed for acquiring High Spatial Resolution and High Signal to Noise Ratio Images that provides an ETL of 512. It provides flexibility with TR, receiver BW, and ZIP 512. In addition, it also optimized the Phase-Encode Ordering scheme as well as the Fractional NEX Provide Optimized Data Acquisition. Applications: TypicallyHighResolutionandHigh SNR Cholangiopancreatographic Images are acquired.
SSFSE－XL是单次激发快速自旋回波序列，提供优化的512回波链FSE，应用于采集高空间分辨率，高信噪比的图像。可自由选择TR时间，接收带宽，ZIP技术等等。另外，还有优化的相位编码排序，优化的部分激励次数选择可提供最优的数据采集。应用于：高信噪比高分辨率的胰胆管成像等。
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q FRFSE
q 快速恢复快速自旋回波技术
GE’s exclusive Fast Recovery Fast Spin Echo(FRFSE), is the new sequence of choice for high-quality, high-speed, and high-contrast T2-weighted imaging in neurological, body, orthopedic and pediatric applications. Prescribe FRFSE rather than FSE, and you will be able to choose between shorter acquisition times and increased slice coverage.
GE独有的快速恢复快速自旋回波技术，能快速得到高图像质量、高对比度的T2加权像，尤其是在神经系统、体部、骨关节、儿科等领域，有着广泛的应用。
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q FRFSE-XL
q 快速恢复快速自旋回波回波链技术
GE’s exclusive Fast Recovery Fast Spin Echo (FRFSE) XL, is the new sequence of choice for high-quality, high-speed, and high-contrast T2-weighted imaging in neurological, body, water imaging, orthopedic and pediatric applications. You will be able to choose between shorter acquisition times and increased slice coverage.
GE独有的快速恢复快速自旋回波回波链技术，能快速得到高图像质量、高对比度的T2加权像，尤其是在神经系统、体部、水成像、骨关节、儿科等领域，有着广泛的应用。
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q i/Drive Pro
q 实时交互式成像
iDrive Pro Enables Real Time Interactive Imaging with a 2D FGRE/FSPGR Pulse.
Interactive with a 2D FGRE-FSPGR pulse
Intuitive point & click iDRIVE user interface makes extensive use of live, on-image navigation icons.
Geometric controls enabled with iDRIVE pro. Includes image plane location, obliquity, rotation, center of FOV and FOV size.
Contrast controls include the ability to toggle on/off spatial pre-saturation pulses, spectral saturation pulses, flow compensation and RF spoiling. In addition, a non-selective IR pulse may also be applied in real time.
Live thumbnail image icons are also for location/contrast bookmarking as well as the three plane home images. A simple click of any of these images will immediately return the user to the image representing the thumbnail. A circular image buffer is also included, with the added bonus that any image in the buffer can act as a bookmark.
A suite of localization tools consisting of draw line, 2 point and 3-point tools, are included to facilitate localization of complex anatomy.
Once localized, this anatomy can be quickly and easily attached to subsequent imaging series through the use of the Irks feature.
Other interactive abilities include swap phase/ frequency, 10 level undo/redo, built-in time, auto-NEX and pause.
A Set of Display/Review/Save Tools is also Included with iDrive Pro.
利用2D FGRE/FSPGR序列进行实时交互式成像，可实现快速扫描-重建-显示的速度
在线智能化引导交互成像,方便的图像导航式操作界面
实时控制层面定位及层面倾斜度，旋转度，扫描野中心以及扫描野的大小
图像对比度的控制可在开/关空间预饱和序列、频率饱和序列、流动补偿及射频脉冲扰相等之间自由切换。 另外，非选择性反转恢复序列也可用于实时成像
激活小图标显示或三平面法都可用于定位，在实时成像过程中，可存储数百幅图像于图像缓冲器中，并可将其显示为小图标, 点击小图标可立即使其还原回原始大小，也同书签功能一样可用作定位
含有一套定位工具，包括画线法，两点定位法，三点定位法等，可方便复杂解剖部位的定位成像
一旦定位，得到的解剖部位可方便地立即应用于下一序列
其他实时功能包括相位/频率交换、10级撤消/重做(Undo/Redo)功能、内置定时、自动激发次数和扫描暂停功能
iDrive Pro还包括显示/回顾/存储功能。
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q Elliptical centric encoding
q 椭圆中心相位编码法血管成像
The option of filling K-space Elliptic-centric encoding is the best way to get excellent vascular contrast and resoution. The centerlines of K- space have the greatest effect on contrast/signal. Normally the outer lines of K-space fill first, these lines are responsible for resolution. However, in an Elliptic-centric K-space filling, the centerlines are filled first. In addition, the centerlines of K-space should be acquired during peak contrast enhancement in order to avoid "ringing" artifacts. The image acquisition should begin after the vessel has filled with contrast to optimize centric K-space filling. This type of filling expands only upon Centric filling. It fills the center portion of K-space first, then filling the centerlines in the z-slice direction in a 3D volume. We can notice an increase in contrast between IV contrast and background tissue. Elliptic-centric can also help decrease respiratory motion and patient motion artifacts in non-breath-hold 3D Fast TOF sequences.
椭圆中心相位编码法是获得优异的血管造影对比和分辨率的最佳K空间填充方式。K空间的中心线信息对于图像的对比和信号最具影响。常规成像中K空间的边缘信号线先填充，而这一部分的信号更多地决定分辨率。在椭圆中心相位编码法填充中，最关键的K空间中心线的信息率先填充。这部分信号必须在造影剂峰值强化过程中采集，避免了环形伪影。图像优化了K空间填充，采集在血管填充造影剂之后开始。而且这种填充方式明显优于单纯的中心填充法，它在中心填充法的基础上，在三维容积的Z轴方向也同样填充K空间中心线。因此我们能够获得血管和背景噪声之间对比的明显提高。椭圆中心相位编码法在三维快速血管成像中也同时能降低呼吸运动伪影和病人的运动伪影。 |
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