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Villa Sistemi Medicali
ARCOVIS 30000 S/R – Adjustments / Regolazioni - 4
[File: 201180-B-00-20.doc]
Rev.B - Page 15/40
0,5K
2
SYSTEM VIDEO ADJUSTMENTS / REGOLAZIONI VIDEO SISTEMA 0,5K
2
3.6. Dose adjustment / Regolazione dose
Ref. Fig. 10, Fig. 11
Place the filter 1mmAL on the coll
dosimeter chamber (if required) + monobloc cover
+ 1,5mmCu + plexiglass for lithotripsy (if required),
as indicated in Fig. 10.
Place the probe of the dosimeter on the input side
of the I.I. tube as indicated in Fig. 10.
Apply on the dose measure instrument a module
ADI type 8/B 3mmAl.
Posizionare filtro 1mmAL sul colli camera
dosimetro (se richiesta) + carter monoblocco +
1,5mmCu + plexiglass per litotripsia (se richiesto),
come indicato in Fig. 10.
Posizionare la sonda del dosimetro sul lato
d’ingresso del tubo I.B. come indicato in Fig. 10.
Applicare sullo strumento di misura della dose un
modulo ADI tipo 8/B 3mmAl.
Select the MANUAL FLUOROSCOPY mode
75kV.
Control x-rays for at least 5 sec and check,
according to the installed I.I. tube, that the dose
is not higher than the µGy/s value indicated in
the table below. In case modify the mA value.
Adjust the IRIS potentiometer (diaphragm
dimension) on the CCD camera (Fig. 11) to get a
value of 6,2Vdc ±0,2 on TP1 of the CCU.
Perform the kV balancing check in every possible
condition and operative mode by using the PHILIPS
PHANTOM and simulating patients of different
sizes by interposing, in addition to the tool, some
additional Al and/or Cu filtration.
Selezionare la modalità di FLUOROSCOPIA
MANUALE 75kV.
Comandare raggi per almeno 5 sec e verificare,
a seconda del tubo I.B. installato, che la dose
non sia superiore al valore di µGy/s indicato
nella tabella sottostante, eventualmente
modificare il valore di mA.
Regolare il potenziometro IRIS (dimensione del
diaframma) sulla CCD camera (Fig. 11) per
ottenere un valore di 6,2Vdc ±0,2 su TP1della CCU.
Eseguire la verifica del bilanciamento dei kV in ogni
condizione e modalità operativa possibile
utilizzando il PHILIPS PHANTOM e simulando
pazienti di taglie differenti interponendo, oltre
all’attrezzo, della filtrazione addizionale di alluminio
e/o rame.
ADI type 8/A 3mmAl module
IRIS
1
2
3
4
CD2-BOARD
XCD01
FOCUS
TP1
DRV 61-BOARD
Fig. 11
Fig. 10
I.I. Tube
9”
Dose
0,65 µGy/s
±
5%
Dose
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