Collimator, X-Iris - Siemens SIREMOBIL Iso-C Service Instructions Manual

Adjustments / Programs

Collimator, X-Iris

NOTE
WARNING
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Attach the center cross in the center of the image intensifier input screen.
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Connect the service PC to the serial interface of the SIREMOBIL Iso-C.
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Start the service program.
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Select the "Adjustment, Calibration" menu.
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Answer the query with "yes".
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Select "X-Iris" in the "Function Groups" combo box.
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In the window "Available Functions:" select "1. Init (Limits Off / Autosearch)" and click on
Execute.
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Close the status window by clicking on the OK button.
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For the query "Do you want to reset the Unit", click "No".
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The X-Iris can now be completely opened and closed with the X-Iris keys.
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Select I.I. survey format.
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During fluoroscopy, adjust the X-Iris by opening and closing it with the X-Iris keys so that
the collimator blades are still visible along the edge of the I.I.
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Select "2. II. - Full Format Position" on the service PC and click on "Execute" .
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Close the status window by clicking on the OK button.
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For the query "Do you want to reset the Unit", click "No".
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Switch to zoom format.
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During fluoroscopy, adjust the X-Iris by opening and closing the X-Iris keys so that the
collimator blades are still visible along the edge of the I.I.
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Select "3. II. - Zoom Format Position" on the service PC and click on "Execute" .
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Close the status window by clicking on the OK button.
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For the query "Do you want to reset the Unit", click "No".
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Open the X-Iris completely.
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Select "4. CEX Position" on the service PC and click on "Execute" .
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Close the status window by clicking on the OK button.
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For the query "Do you want to reset the Unit", click "No" .
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Close the X-Iris completely.
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Release fluoroscopy. The X-Iris must close to < 4.5 cm .
Siemens AG
Medical Solutions
Because of the mechanical hysteresis of the semi-transparent
slot diaphragm, open the collimator blades to maximum aperture,
prior to adjusting the radiation iris.
X-ray radiation!
See Chapter 1, Safety Information.
Observe the need for radiation protection. Wear a lead apron.
SPR2-230.061.01
Rev. 13
Page 11 of 30
12.04 CS PS 24
5 - 11
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SIREMOBIL Iso-C
System Manual