Collimator and Beam Alignment Test Tools

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DIAGNOSTIC RADIOLOGY
Collimator and Beam
Alignment Test Tools
GAMMEX 161B AND GAMMEX 162A
Evaluate collimator light field and x-ray
field congruence plus ensure accurate
x-ray beam alignment. The Gammex 161B
with the Collimator Test Tool, x-ray beam misalignments
Collimator Test Tool is designed to evaluate the
of 1% and 2% can be visualized without the need for
collimator light field and x-ray field congruence
measuring or calculating. The test instrument is con-
according to the Center of Devices and Radiological
structed of a plastic cylinder 16 cm (6.3 in) high with
Health (CDRH) specifications. The Gammex 161B is
two steel balls, one at each end. The steel balls are
constructed of brass so that centimeter etchings on
located directly above one another so that, when level
its surface can give a direct ruled dimension on the
and everything is in alignment, they will be superimposed
radiograph with a normal x-ray exposure. The collimator
on the radiograph. A bubble level is included so that
test tool is calibrated to show misalignments to
accurate tests can be performed with ease.
The Gammex 162A Beam Alignment Test Tool provides
a simple test of the x-ray beams alignment. When used
within 0.5 cm.
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W W W. G A M M E X . C O M
Nederland
België / Belgique
T +31 (0)24 648 86 88
T +32 (0)3 309 32 09
[email protected]
www.gotoPEO.com
GAMMEX 161B AND GAMMEX 162A
DIAGNOSTIC RADIOLOGY
continued from front...
SPECIFICATIONS
Gammex 161B Collimator Test Tool
Construction . . . . Etched Brass
Dimensions . . . . . 20x25 cm (8x10 in)
Weight. . . . . . . . 200 g (6.2 oz)
Gammex 162A Beam Alignment Test Tool
Construction . . . . Acrylic Cylinder
Dimensions
Height . . . . . . . . 16 cm (6.3 in)
Diameter . . . . . . 7 cm (2.8 in)
Weight. . . . . . . . 260 g (9.2 oz)
0608 © Gammex, Inc. All rights reserved.
GAMMEX INC.
P.O. BOX 620327
MIDDLETON, WI 53562-0327
USA
+1 800 GAMMEX1 (426 6391)
+1 608 828 7000
FAX: +1 608 828 7500
EMAIL: [email protected]
GAMMEX-RMI LTD.
BROADWAY BUSINESS CENTRE
32A STONEY STREET
NOTTINGHAM NG1 1LL
UNITED KINGDOM
+44 (0) 115 924 7188
FAX: +44 (0) 115 924 7189
EMAIL: [email protected]
GAMMEX-RMI GMBH
FRANKFURTER STRASSE 15
D-35390 GIESSEN
GERMANY
+49 (0) 641 250 9176
FAX: +49 (0) 641 966 2642
EMAIL: [email protected]
For more information contact GAMMEX today at 1 800 GAMMEX 1 (426 6391) or visit WWW.GAMMEX.COM
Nederland
België / Belgique
T +31 (0)24 648 86 88
T +32 (0)3 309 32 09
[email protected]
www.gotoPEO.com
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