【Hoffman 3-D脑模体™】
Hoffman 3-D Brain Phantom™
型号/Model:BR/3D/P
Hoffman 3-D脑模体™主要特点:
-在脑部SPECT及脑部PET的研究中,从解刨学角度精确的模拟放射性分布;在MRI研究中,精确模拟质子密度及驰豫参数打的分布
Anatomically accurate simulation of radioactivity distribution for brain SPECT and brain PET studies* and distribution of proton density and relaxation parameters for brain MRI studies
-在血流和代谢研究中模拟正常灰质和白质的4:1摄取率(按部分体积效应模拟)
Simulates 4:1 uptake ratio (by partial volume effect) seen for normal gray and white matter in flow and metabolic studies
-单体填充腔设计,消除了制备不同浓度放射性物质的必要
Single fillable chamber eliminates the necessity of preparing different concentrations of radioactivity
-为基底神经节区域提供了可填充固体缺陷
Fillable and solid defects for basil ganglia region available
Hoffman 3-D脑模体™主要应用领域:
-可用于脑部ECT研究中对图像获取及重建方法的评估
Evaluation of acquisition and reconstruction methods for brain ECT studies -3-D重建方法评估
Evaluation of 3-D reconstruction methods
-3-D衰减及散射补偿方法评估
Evaluation of 3-D attenuation and scatter compensation methods
-3-D SPECT, PET及MRI系统配准技术评估
Evaluation of 3-D SPECT, PET and MRI registration techniques
-科研应用
Research
模体规格:
-模体圆柱部分内径:20.8 cm
Cylinder inside diameter: 20.8 cm
-模体圆柱部分内高:17.5 cm
Cylinder inside height: 17.5 cm
-可填充部分容积:~1.2 L
Fillable volume: ~ 1.2 liter
PPT资料:
相关配件、附件:
【Hoffman 3-D脑部模体固体缺陷模拟物套装(2)】
3D Brain Phantom Solid Defects Set (2)
型号/Model:BR/3D-SOL/SET2
-可对基底神经节区域的冷&热缺陷进行定位
Hot and cold defects can be located in the basil ganglia region
-可帮助使用者确定缺陷的图像形状
Allows user to determine image shape of the defect
相关文献:
* Hoffman EJ, Cutler PD, Digby WM and Mazziotta JC. 3-D phantom to simulate cerebral blood flow and metabolic images for PET, IEEE Trans Nucl Sci 37:616-620, 1990.Mini and Micro Defrise Phantom™
其他同类产品:
【Hoffman 2-D脑模体™】
Hoffman 2-D Brain Phantom™
型号/Model:BR/2D/P
Hoffman 2-D脑模体™主要特点:
-体现的不同的脑室、灰质核白质厚度,在脑部ECT研究中模拟单一脑切片中的放射性分布
Thickness differences between ventricle, gray and white matter simulate the radioactivity distribution in a single slice of a brain ECT study
-正常灰质:白质:脑室放射性活度比为4:1:0 (按部分体积效应模拟)
Normal gray-matter:white-matter:ventricle radioactivity ratio is 4:1:0 (simulated by partial volume effect
Hoffman 2-D脑模体™主要应用领域:
-用于评估脑部PET及SPECT研究中的图像获取及重建方法
Evaluation of acquisition and reconstruction methods for brain PET and SPECT studies
-科研应用
Research
模体规格:
-模体圆柱部分内径:20.8 cm
Cylinder inside diameter: 20.8 cm
-模体圆柱部分内高:17.5 cm
Cylinder inside height: 17.5 cm
-可填充部分容积:~1.2 L
Fillable volume: ~ 1.2 liter
【Hoffman多隔室2-D脑模体™】
Hoffman Multi-Compartment 2-D Brain Phantom™
型号/Model:BR/2D-MC/P
Hoffman 多隔室2-D脑模体™主要特点:
-解刨学上矫正不同的同位素摄取率;模拟正常及异常人体脑部的血流及代谢影像中的活动分布
Anatomically correct – varying isotope uptake ratios – simulation of the activity distribution in a flow or metabolic image of normal and abnormal human brain*
-七(7)个灰质隔室,可分别填充不同数量的放射性示踪剂,以模拟一系列不同的“热”和“冷”异常
Seven (7) gray-matter compartments that may be separately filled with varying amounts of radiotracer to simulate a variety, of “hot” and “cold” abnormalities
-正常灰质:白质:脑室放射性活度比为4:1:0 (按部分体积效应模拟)
Normal gray-matter:white-matter:ventricle activity, ratio is 4:1:0 (simulated by partial volume effect)
-异常灰质:正常灰质活动比率可在0.25:1到大于100:1范围内调整
Abnormal-gray-matter:normal-gray-matter activity, ratios can be varied from 0.25:1 to greater than 100:1
Hoffman 多隔室2-D脑模体™主要应用领域:
-用于针对SPECT及PET系统的研究、系统性能测定、优化成像协议、影像诠释及培训
SPECT and PET applications include research, system performance measurements, optimization of imaging protocols, image interpretation, and training
图A:Hoffman 多隔室2-D脑模体™的SPECT影像及轮廓,箭头指示的隔室显示加剧的放射性活动,以模拟发作期时灌注量增加67%的现象
SPECT image and profile of Hoffman 2-D Multi-Compartment Brain Phantom™ with a compartment (arrow) filled with increased activity to simulate a 67% increase in perfusion during an intraictal phase
图B:Hoffman 多隔室2-D脑模体™的SPECT影像及轮廓,箭头指示的隔室显示衰减的放射性活动,以模拟发作期时灌注量减少67%的现象
SPECT image and profile of Hoffman 2-D Multi-Compartment Brain Phantom™ with a compartment (arrow) filled with decreased activity to simulate a 67% reduction in perfusion during an interictal phase.
图C:Hoffman 多隔室2-D脑模体™的SPECT影像及轮廓,箭头指示的隔室显示衰减的放射性活动,以模拟发作期时灌注量减少33%的现象
SPECT image and profile of Hoffman 2-D Multi-Compartment Brain Phantom™ with a compartment (arrows) filled with decreased activity to simulate a 33% reduction in perfusion in the left frontal lobe.
相关文献:
* Hoffman EJ, Ricci AR, van der Stee LMAM, Phelps ME. ECAT — Basic Design Considerations, IEEE Trans Nucl Sci, NS-30:729-733, 1983.
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辽宁飞勒科技有限责任公司
联系人:刘女士 电话:18241547308
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