1106 / 1840
Mimicking historical system
HISTORICAL MANCHESTER SYSTEM
Flange
Ovoids: 2, 2.5, 3 cm
3.5, 4 or 6 cm
or adjustable
0º, 15º,30º, 45º
137Cs, 192Ir sources
Loading patterns:
51
Clamp
+/- shielding
mg Ra equivalent
D-rate at point A:
137
Cs
∼
50 cGy/h
192
Ir: PDR or HDR