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申请号:201811345684.3 公开号:CN111175681A 主分类号:G01R33/56
摘要:【中文】本发明公开了一种基于刀锋序列的磁共振成像方法。该方法包括:获取由表面线圈采集得到的三维数据;根据每条刀锋的位置信息,从所述三维数据中确定每条刀锋对应的多个内核数据;采集每条刀锋对应的多层混叠K空间数据;将所述每条刀锋对应的多层混叠K空间数据与所述每条刀锋对应的多个内核数据进行卷积,得到每条刀锋对应的多个非混叠K空间数据;以及对各条刀锋对应的多个非混叠K空间数据进行图像重建,得到多个非混叠图像。本发明还公开了实现上述方法的磁共振成像装置以及计算机可读存储介质。 【EN】The invention discloses a magnetic resonance imaging method based on a blade sequence. The method comprises the following steps: acquiring three-dimensional data acquired by a surface coil; determining a plurality of kernel data corresponding to each blade from the three-dimensional data according to the position information of each blade; collecting multilayer aliasing K space data corresponding to each blade; convolving the multilayer aliasing K space data corresponding to each blade with the plurality of kernel data corresponding to each blade to obtain a plurality of non-aliasing K space data corresponding to each blade; and carrying out image reconstruction on a plurality of non-aliasing K space data corresponding to each blade to obtain a plurality of non-aliasing images. The invention also discloses a magnetic resonance imaging device and a computer readable storage medium for realizing the method.
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申请号:201911363452.5 公开号:CN111176274A 主分类号:G05D1/02
摘要:【中文】本发明实施例中提出的一种多轴运动系统的防碰撞方法、系统和存储介质。其中,方法包括:获取多轴运动系统中各运动对象的各个轴的当前运动位置信息;将所获取的当前运动位置信息作为一组输入数据输入一训练好的防碰撞预测模型中,得到防碰撞预测模型输出的防碰撞预测相关信息;基于所述防碰撞预测相关信息,对所述多轴运动系统的相应运动对象进行控制。本发明实施例中的技术方案能够方便有效地实现多轴运动系统的防碰撞。 【EN】The embodiment of the invention provides an anti-collision method and system for a multi-axis motion system and a storage medium. The method comprises the following steps: acquiring current motion position information of each axis of each moving object in a multi-axis motion system; inputting the acquired current motion position information as a group of input data into a trained anti-collision prediction model to obtain anti-collision prediction related information output by the anti-collision prediction model; and controlling corresponding moving objects of the multi-axis moving system based on the anti-collision prediction related information. The technical scheme in the embodiment of the invention can conveniently and effectively realize the anti-collision of the multi-axis motion system.
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申请号:201811406791.2 公开号:CN111220936A 主分类号:G01R33/34
摘要:【中文】脚踝线圈,包括第一线圈部(10)及一个第二线圈部(20)。第一线圈部具有向一个第一延伸方向延伸(X)的中空的第一通槽(12)。第二线圈部具有向与第一延伸方向交叉的一个第二延伸方向(Y)延伸的中空的第二通槽(22)。第二线圈部能够转动地设置于第一线圈部,且该转动方向(R)与第一延伸方向及第二延伸方向均垂直,在第一线圈部与第二线圈部的接合部设有切口(13,23)。本发明提供的脚踝线圈,在使用时脚踝可以处于自然放松的状态,同时还能够保持与脚部的贴合,提高使用者舒适度的同时保证成像质量。 【EN】An ankle coil includes a first coil portion (10) and a second coil portion (20). The first coil portion has a hollow first through groove (12) extending in a first extending direction (X). The second coil part has a hollow second through groove (22) extending in one second extending direction (Y) intersecting the first extending direction. The second coil part is rotatably provided to the first coil part, and the rotational direction (R) is perpendicular to both the first and second extending directions, and a notch (13,23) is provided at a joint portion of the first coil part and the second coil part. The ankle coil provided by the invention has the advantages that the ankle can be in a natural relaxed state when the ankle coil is used, meanwhile, the ankle coil can be attached to the foot, the comfort level of a user is improved, and meanwhile, the imaging quality is ensured.
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申请号:201811318374.2 公开号:CN111157930A 主分类号:G01R33/385
摘要:【中文】用于磁共振成像装置的梯度线圈,包括一个主线圈(10)、一个屏蔽线圈(20)、至少一个嵌入件(30)和一个浇注主体(40)。主线圈用以形成梯度成像磁场。屏蔽线圈环绕主线圈设置并与主线圈相间隔。屏蔽线圈用以形成梯度屏蔽磁场。各嵌入件包含相变材料,并设置为能够与主线圈和/或屏蔽线圈接触。浇注主体通过浇注与主线圈、屏蔽线圈和至少一个嵌入件形成一个浇注整体,以固定主线圈、屏蔽线圈和至少一个嵌入件的相互位置。该梯度线圈在使用过程温度波动小、成像质量高、且更为小型和节能。此外,还提供了包括该梯度线圈的磁共振成像装置。 【EN】Gradient coil for a magnetic resonance imaging apparatus, comprising a main coil (10), a shield coil (20), at least one insert (30) and a cast body (40). The main coil is used for forming a gradient imaging magnetic field. The shield coil is disposed around and spaced apart from the main coil. The shield coil is used for forming a gradient shield magnetic field. Each insert contains a phase change material and is arranged to be able to be in contact with the main coil and/or the shield coil. The cast body is formed by casting as one cast whole with the main coil, the shielding coil and the at least one insert to fix the mutual positions of the main coil, the shielding coil and the at least one insert. The gradient coil has small temperature fluctuation in the using process, high imaging quality, smaller size and energy conservation. Furthermore, a magnetic resonance imaging apparatus comprising the gradient coil is provided.
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申请号:201811433623.2 公开号:CN111243048A 主分类号:G06T11/00
摘要:【中文】本发明提供的磁共振成像中的图像重建方法、装置、系统及计算机存储介质。方法包括:对于每一待执行的图像重建任务,磁共振系统计算该任务的计算能力需求值;判断该任务的计算能力需求值是否大于预设阈值,若是,将该任务发送给共享图像重建装置,以使得共享图像重建装置执行该任务;否则,将该任务发送给本地图像重建装置,以使得本地图像重建装置执行该任务;其中,共享图像重建装置的计算性能高于本地图像重建装置,且,共享图像重建装置共享给多台磁共振系统。本发明降低了MRI中的图像重建所需的硬件成本。 【EN】The invention provides an image reconstruction method, an image reconstruction device, an image reconstruction system and a computer storage medium in magnetic resonance imaging. The method comprises the following steps: for each image reconstruction task to be performed, the magnetic resonance system calculates a calculation power requirement value of the task; judging whether the computing power requirement value of the task is larger than a preset threshold value, if so, sending the task to a shared image reconstruction device so that the shared image reconstruction device executes the task; otherwise, sending the task to the local image reconstruction device so that the local image reconstruction device executes the task; the shared image reconstruction device has higher calculation performance than a local image reconstruction device, and is shared by a plurality of magnetic resonance systems. The invention reduces the hardware cost required for image reconstruction in MRI.
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申请号:201811242504.9 公开号:CN111091904A 主分类号:G16H40/60
摘要:【中文】本发明公开了一种医疗设备和配置医疗设备的硬件的方法。该医疗设备包括:硬件识别号收集器,其获取硬件的唯一识别号;硬件类型表生成单元,其包括映射表,所述映射表定义所述唯一识别号与硬件类型之间的一一对应关系,所述硬件类型表生成单元根据所述映射表和所述唯一识别号生成硬件类型表;组件配置器,其包括组件参数表、配置脚本和软件组件生成器,所述软件组件生成器获取所述硬件类型表、根据所述硬件类型表获取所述组件参数表中对应组件的参数、调用所述配置脚本并生成对应的软件组件,所述软件组件具有控制或监测硬件的软件接口。本发明可避免手动配置硬件组件可能发生的错误,提高产品的智能性,增加客服工程师的工作效率。 【EN】A medical device and a method of configuring hardware of a medical device are disclosed. The medical device includes: the hardware identification number collector is used for acquiring a unique identification number of hardware; the hardware type table generating unit comprises a mapping table, the mapping table defines the one-to-one correspondence between the unique identification number and the hardware type, and the hardware type table generating unit generates a hardware type table according to the mapping table and the unique identification number; the component configurator comprises a component parameter table, a configuration script and a software component generator, wherein the software component generator acquires the hardware type table, acquires parameters of corresponding components in the component parameter table according to the hardware type table, calls the configuration script and generates corresponding software components, and the software components are provided with software interfaces for controlling or monitoring hardware. The invention can avoid the possible error of manually configuring the hardware assembly, improve the intelligence of the product and increase the working efficiency of the customer service engineer.
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