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Feedback session
Steps
in the
Proce
ss
Potential
Failure
Mode
Potential
Failure
Causes
Potential
Failure
Effects
Likeliho
od of
Occurre
nce
(1-10)
Likelihood
of
Detection
(1-10)
Sever
ity
(1-
10)
Risk
Priori
ty
Num
ber
(RPN
)
Recommended
Actions
1
select wrong
patient
No check
Treating with
different iso
1
3
10
30
Compare ID
Automatic check ID
2
3
4
5
Image wrong
patient
wrong patient
selection
Imaging and
treating wrong
4
3
5-9
60-
120
Second check,
interlock systematic
6
7
imported under
wrong fraction
Software fout
Register
wrong image
1
4
3
12
One intergrated
system
8
sagging
Pane off set
Not able to
import
3-4
1
4
24-32
Automatic postion
verification
9