Medtronic ProstivaRF Therapy 8930 Bedienungsanleitung Seite 46

8930EN_2.fm 12/17/10 2:43 pm
UCxxxxxx EN
7 x 9 inches (178 mm x 229 mm)
Chapter 2
46
User Interface
English 8930 System User Guide 2010-12
MA07445A008 Rev X
Table 2-7. Alert Messages (continued)
No. Message
31 Needle impedance (Ω) too
high
Retract needles, and
reposition or reduce
length
Needle may be in dry or
hard tissue, or outside
prostate
32 Needle temperature too
high
33 Needle temperature too
low
Retract needles, and
reposition or reduce
length
Needle may be near
bladder or blood vessel,
or outside prostate
34 Urethra temperature too
high
Medtronic Confidential
CRMRef_R06
Explanation
Impedance exceeds
■
600 ohms; stops lesion
Needle position is not
■
optimal, and it must be
changed
Message stays on for ten
■
seconds
Alarm is 2 short beeps
■
+ 1 long beep
Radio frequency delivery
■
has raised needle
°
temperature above 125 C;
stops lesion
Message stays on for ten
■
seconds
Alarm is 2 short beeps
■
+ 1 long beep
Needle position is not
■
optimal, and it must be
changed
Needle may be incorrectly
■
positioned in bladder;
stops lesion
Needle position or length is
■
not optimal, and it must be
changed
Message stays on for ten
■
seconds
Alarm is 2 short beeps
■
+ 1 long beep
Radio frequency delivery
■
has raised urethral
°
temperature above 47 C;
stops lesion
Clinician must irrigate
■
more frequently to help
prevent the urethra from
overheating
Message stays on for ten
■
seconds
Alarm is 2 short beeps
■
+ 1 long beep