Mindray DC-25, Руководство по обслуживанию

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Phantom Usage Illustration
B-1
Appendix B Phantom Usage
Illustration
Targets Disposal of Phantom KS107BD
A1
——A5
：
Axial resolution target group B: Blind-area target group
C
：
Longitudinal target group D
：
Horizontal target group
E: Mimic tumor F
：
Mimic sac (diam 10mm) and stone
G Mimic sac (diam 6mm)
4. Line Target System
There are 8 groups of nylon line targets disposed as shown in the figure.
1
．
A1
——A5
：
Axial and lateral resolution target group. The distances between the horizontal branch and
the acoustic window are 30, 50, 70, 120 and 160mm, the center horizontal distances
between two adjacent lines of A1 and A2 groups are 1, 5, 4, 3, 2mm, A3~A5 groups are 5,
4, 3, 2mm. The center longitudinal distances between two adjacent lines of the
longitudinal branches are 4, 3, 2, 1mm.
2
．
B
：
Blind-area target group. Center horizontal distance of adjacent lines is 10mm, distances to
the acoustic window are 10, 9, 8, 7, 6, 5, 4, 3mm.
3
．
C
：
Longitudinal target group. 19 target lines with a 10mm center distance between adjacent
lines.
4
．
D
：
Horizontal target group. 7 target lines with a 20mm center distance between adjacent lines.