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Chapter 3
Main magnetic field and main magnetic field gradient
In the position in which the spatial gradient of the main magnetic field is
maximum, the force exerted on a ferromagnetic object saturated by the
spatial gradient of the main magnetic field is maximum.
In the position in which the result of amplitude of the main magnetic field
and spatial gradient of the main magnetic field is maximum, the force
exerted on a diamagnetic or paramagnetic object, or a ferromagnetic
material, is maximum.
On the O-scan system:
☛
the position in which the spatial gradient of the main magnetic field is
maximum, and
☛
the position in which the result of amplitude of the main magnetic field
and spatial gradient of the main magnetic field is maximum, coincide.
The spatial coordinates of this position are:
☛
X = 19.4±5 cm, Y = -10.69±5 cm, Z = 21.5±5 cm with respect to the
magnet isocenter.
The symmetry of the magnet with respect to spatial axes Y and Z means
that seven other spheres must be taken into consideration:
☛
X = -19.4±5 cm, Y = 10.69±5 cm, Z = 21.5±5 cm with respect to the
magnet isocenter.
☛
X = -19.4±5 cm, Y = 10.69±5 cm, Z = -21.5±5 cm with respect to the
magnet isocenter.
☛
X = 19.4±5 cm, Y = 10.69±5 cm, Z = -21.5±5 cm with respect to the
magnet isocenter.
☛
X = 19.4±5 cm, Y = -10.69±5 cm, Z = 21.5±5 cm with respect to the
magnet isocenter.
☛
X = -19.4±5 cm, Y = -10.69±5 cm, Z = 21.5±5 cm with respect to the
magnet isocenter.
☛
X = -19.4±5 cm, Y = -10.69±5 cm, Z = -21.5±5 cm with respect to the
magnet isocenter.
☛
X = 19.4±5 cm, Y = -10.69±5 cm, Z = -21.5±5 cm with respect to the
magnet isocenter.
Содержание O-scan eXP
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Страница 3: ...O scan User Manual 350004900 Rev 07 Esaote S p A Genoa...
Страница 9: ...350004900 Rev 07 7 10...
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Страница 32: ...8 8 Chapter 2...
Страница 51: ...350004900 Rev 07 19 48 Instructions for Safe Use fig 3 1 Top view...
Страница 52: ...20 48 Chapter 3 fig 3 2 Side view...
Страница 80: ...48 48 Chapter 3...
Страница 102: ...22 22 Chapter 4...
Страница 105: ...350004900 Rev 07 3 20 Technical Description fig 5 1 Equipment components...
Страница 122: ...20 20 Chapter 5...
Страница 126: ...4 20 Chapter 6 fig 6 3 The O scan Premium and O scan eXP patient seat with armrests fig 6 4 Armrest detail...
Страница 142: ...20 20 Chapter 6...
Страница 155: ...350004900 Rev 07 7 8 Coils fig 8 5 Spherical uniform phantom fig 8 6 Cylindrical uniform phantoms...
Страница 156: ...8 8 Chapter 8 fig 8 7 Geometric phantom fig 8 8 Centering support for the spherical phantom diameter 140 mm...
Страница 160: ...4 10 Chapter 9 fig 9 4 Lumbar support cushion fig 9 5 Positioning of the lumbar support cushion on the seat...
Страница 161: ...350004900 Rev 07 5 10 Soft cushion Set fig 9 6 Use of lumbar support cushion...
Страница 184: ...10 10 Chapter 11...
Страница 232: ...4 4 Chapter 17...
Страница 236: ...4 4 Chapter 18...