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Introduction on Dose Optimization
Catheter
Dose Calculation at a Point D
a
Source dwell
position No
1
2
3
4
a
1
T
1
T
1
T
2 5
2 4
2 3
⋅
+
⋅
+
⋅
r
1
T
r
1
T D
2
a2
2
2
a1
1
a
+
⋅
+
⋅
≈
r
1a
r
5
r
r
r
a5
a4
a3
5a
T
1
, T
2
,… T
5
are the dwell times of
the source at the 5 dwell positions