Amira 6.5 fei svg

Manufactured by Thermo Fisher Scientific

Sourced in United States

The Amira 6.5 FEI SVG is a software platform for 3D visualization, analysis, and modeling of scientific and medical data. It provides tools for processing, segmentation, and rendering of complex data sets.

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Lab products found in correlation

3.0 t mr scanner, by Philips (1 mentions) Matlab script, by MathWorks (1 mentions) Achieva, by Philips (1 mentions)

Spelling variants of this product

Amira 6.4 (133 citations) Amira 5.3.3 (33 citations)

2 protocols using amira 6.5 fei svg

3D MRI Evaluation of ACL Footprint

Cited 1 time

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Three‐dimensional (3D) MRI, a method that has been proven to have strong agreement with open cadaveric dissection (considered the gold standard), and can be used interchangeably.
²⁶ ,
²⁷ (link) All enrolled subjects were scanned by a 3.0‐T MRI system with fully extended knees. Proton density 3D fast spin‐echo volume sequences (Skyra; Siemens, Guangzhou, China) were applied to collect Chinese images (slice thickness: 0.50 mm, voxel size: 0.3 × 0.3 × 0.5 mm) (Figure 1A). A 3.0‐T MR Scanner (Achieva; Philips, Zurich, Switzerland) with proton density turbo spin‐echo SPectral Attenuated Inversion Recovery was applied to collect Caucasian images (slice thickness: 1.00 mm, voxel size 0.12 by 2.74 by 0.12 mm). 3D models of femur and tibia were reconstructed using Amira 6.5 FEI SVG (Thermo Fisher, Stoney Creek, California, USA) according to proven and publicly available methods.
²⁸ (link),
²⁹ (link) With the same software, the ACL footprint areas of the femur and tibia were manually depicted on MRI images (Figure 1A).
³⁰ (link),
³¹ (link) The subsequent analyses of the 3D models was completed by MATLAB2014.

Zhang L., Huang T., Li C., Xing X., Zou D., Dimitriou D., Tsai T, & Li P. (2023). Race and Gender Differences in Anterior Cruciate Ligament Femoral Footprint Location and Orientation: A 3D‐MRI Study. Orthopaedic Surgery, 16(1), 216-226.

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3D Tibial Cartilage and ACL Bundle Reconstruction from MRI

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All patients underwent MRI using a 3.0-T MR Scanner (Achieva; Philips
Healthcare). Proton density–weighted turbo spin-echo (TSE) SPAIR (SPectral
Attenuated Inversion Recovery) T1 sagittal plane images (slice thickness, 1 mm;
voxel size, 3.29 × 0.22 × 0.22 mm) and T1 high-resolution TSE coronal plane
images (slice thickness, 1 mm; voxel size, 0.12 × 2.74 × 0.12 mm) were obtained.
The 2 MRI stacks were combined to yield volumetric data with a voxel size of
0.22 × 0.25 × 0.24 mm (Figure
1A) using commercial software (AMIRA 6.5, FEI SVG; Thermo Fisher
Scientific). Using the same software, the 3D surface of the tibia with its
articular cartilage was reconstructed according to a previously validated and
published method.^{3 (link)} The femoral origin and tibial insertion areas of the anteromedial (AM)
and posterior-lateral (PL) bundles were digitized, and their centers were
calculated (Figures 1and 2). Finally, the
surface models were imported to a self-developed MATLAB script (MathWorks) for
subsequent analyses. The accuracy of this technique is expected to be less than
1 mm based on the study of Han et al,^{5 (link)} who compared the open cadaveric measurements with 1.5-T 3D MRI
measurements and demonstrated that the paired differences in femoral length and
width between the 2 methods were 1 and 2 mm, respectively.

Dimitriou D., Wang Z., Zou D., Helmy N, & Tsai T.Y. (2020). Do Sex-Specific Differences Exist in ACL Attachment Location? An MRI-Based 3-Dimensional Topographic Analysis. Orthopaedic Journal of Sports Medicine, 8(11), 2325967120964477.

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