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ShapeGrabber Incorporated 3d digital model of the same femoral head prosthesis
Intra-voxel dephasing due to magnetic field inhomogeneities leads to break-down of chemical shift encoded water-fat separation directly adjacent to metallic <t>prostheses</t> in areas where the gradient of the inhomogeneity is most severe. Based on the results shown in figure 7, upper limits of the color-map (black) were chosen to depict regions where the local intra-voxel off-resonance exceeds 6 ppm (383 Hz at 1.5T, 766 Hz at 3T), the point at which intra-voxel off-resonance causes water-fat separation to break down for SNR = 20. White, dotted contour lines represent labeled iso-distances (mm) from the implant surface.
3d Digital Model Of The Same Femoral Head Prosthesis, supplied by ShapeGrabber Incorporated, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/3d+digital+model+of+the+same+femoral+head+prosthesis/3d+digital+model+of+the+same+femoral+head+prosthesis/pmc04457712-92-27-39
Average 90 stars, based on 1 article reviews
3d digital model of the same femoral head prosthesis - by Bioz Stars, 2026-10
90/100 stars

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Article Title: Characterizing the Limits of Magnetic Resonance Imaging Near Metallic Prostheses

Journal: Magnetic resonance in medicine

doi: 10.1002/mrm.25540

Intra-voxel dephasing due to magnetic field inhomogeneities leads to break-down of chemical shift encoded water-fat separation directly adjacent to metallic prostheses in areas where the gradient of the inhomogeneity is most severe. Based on the results shown in figure 7, upper limits of the color-map (black) were chosen to depict regions where the local intra-voxel off-resonance exceeds 6 ppm (383 Hz at 1.5T, 766 Hz at 3T), the point at which intra-voxel off-resonance causes water-fat separation to break down for SNR = 20. White, dotted contour lines represent labeled iso-distances (mm) from the implant surface.
Figure Legend Snippet: Intra-voxel dephasing due to magnetic field inhomogeneities leads to break-down of chemical shift encoded water-fat separation directly adjacent to metallic prostheses in areas where the gradient of the inhomogeneity is most severe. Based on the results shown in figure 7, upper limits of the color-map (black) were chosen to depict regions where the local intra-voxel off-resonance exceeds 6 ppm (383 Hz at 1.5T, 766 Hz at 3T), the point at which intra-voxel off-resonance causes water-fat separation to break down for SNR = 20. White, dotted contour lines represent labeled iso-distances (mm) from the implant surface.

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Article Title: Characterizing the Limits of Magnetic Resonance Imaging Near Metallic Prostheses
Article Snippet: In order to validate the simulations of off-resonance used in this study, B 0 inhomogeneity was estimated (described below) using a 3D digital model of the same femoral head prosthesis obtained via 3D laser scanning with sub millimeter resolution (ShapeGrabber, Ottawa, ON, Canada).



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ShapeGrabber Incorporated 3d digital model of the same femoral head prosthesis
Intra-voxel dephasing due to magnetic field inhomogeneities leads to break-down of chemical shift encoded water-fat separation directly adjacent to metallic <t>prostheses</t> in areas where the gradient of the inhomogeneity is most severe. Based on the results shown in figure 7, upper limits of the color-map (black) were chosen to depict regions where the local intra-voxel off-resonance exceeds 6 ppm (383 Hz at 1.5T, 766 Hz at 3T), the point at which intra-voxel off-resonance causes water-fat separation to break down for SNR = 20. White, dotted contour lines represent labeled iso-distances (mm) from the implant surface.
3d Digital Model Of The Same Femoral Head Prosthesis, supplied by ShapeGrabber Incorporated, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/3d+digital+model+of+the+same+femoral+head+prosthesis/3d+digital+model+of+the+same+femoral+head+prosthesis/pmc04457712-92-27-39
Average 90 stars, based on 1 article reviews
3d digital model of the same femoral head prosthesis - by Bioz Stars, 2026-10
90/100 stars
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Intra-voxel dephasing due to magnetic field inhomogeneities leads to break-down of chemical shift encoded water-fat separation directly adjacent to metallic prostheses in areas where the gradient of the inhomogeneity is most severe. Based on the results shown in figure 7, upper limits of the color-map (black) were chosen to depict regions where the local intra-voxel off-resonance exceeds 6 ppm (383 Hz at 1.5T, 766 Hz at 3T), the point at which intra-voxel off-resonance causes water-fat separation to break down for SNR = 20. White, dotted contour lines represent labeled iso-distances (mm) from the implant surface.

Journal: Magnetic resonance in medicine

Article Title: Characterizing the Limits of Magnetic Resonance Imaging Near Metallic Prostheses

doi: 10.1002/mrm.25540

Figure Lengend Snippet: Intra-voxel dephasing due to magnetic field inhomogeneities leads to break-down of chemical shift encoded water-fat separation directly adjacent to metallic prostheses in areas where the gradient of the inhomogeneity is most severe. Based on the results shown in figure 7, upper limits of the color-map (black) were chosen to depict regions where the local intra-voxel off-resonance exceeds 6 ppm (383 Hz at 1.5T, 766 Hz at 3T), the point at which intra-voxel off-resonance causes water-fat separation to break down for SNR = 20. White, dotted contour lines represent labeled iso-distances (mm) from the implant surface.

Article Snippet: In order to validate the simulations of off-resonance used in this study, B 0 inhomogeneity was estimated (described below) using a 3D digital model of the same femoral head prosthesis obtained via 3D laser scanning with sub millimeter resolution (ShapeGrabber, Ottawa, ON, Canada).

Techniques: Labeling