Cross Hairs Adjustment; Image Orientation Check - Siemens LITHOSTAR Multiline Adjustment Instructions Manual

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Cross hairs adjustment

The shock wave head is in the coupling position (not to be confused with the GEL posi-
tion).
•
Switch fluoro on and check the isocenter at -30° and -10°.
Fig. 10
•
If the cross hairs need to be adjusted, the I.I. collision protection and the grid cover ring
on the I.I. must be removed.
CAUTION
•
Bypass jumper X18, so that the safety circuit is activated.
•
Loosen the screws in the retainer ring far enough so that the cross hairs can be adjusted.
•
Switch fluoro on and move the centering cross hairs until the ball of the adjustment
device is displayed in the center of the marking in both projection planes (-30° and -10°).
•
Tighten the cross hairs mounting screws. Ensure that the retainer ring does not bend.
•
Insert the I.I. grid at an angle of 45° ( ± 10°) between the bolts of the retainer ring.
•
Reinstall the I.I. collision protection and tighten the grid cover ring on the I.I. from below
to secure the grid and to prevent twisting.

Image orientation check

•
Close one of the collimator pairs completely.
•
Open the other collimator pair completely.
•
Release fluoro.
•
Check whether the image orientation is vertical or horizontal on the monitor.
•
To adjust, loosen the mounting screws on the camera and turn the camera head.
•
Check the image orientation again with FL .
LITHOSTAR Multiline
Centering the X-ray tube / Image intensifier
Acceptable
ok
The grid is attached by means of this cover and must also be removed.
Register RXL2-120.071.01
Rev. 01 05.97
Correction
needed
Page 8 of 10
TD SP 1 Medical Engineering
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Siemens AG