Elekta Direct Mount Graticule

REF: 11-344

Elekta Direct Mount Graticule


The Elekta Direct Mount Graticule facilitates field size verification, positioning of lead blocks, and tumor localization within the radiation field. It is meant to attach directly to the head of the Elekta LINAC. It has small tungsten attenuators imbedded in a clear acrylic frame. Unlike the Open Air Graticule, it must be removed for treatment. The Direct Mount graticule provides clearer port film images than the open air, and also has larger markers every fifth. A safety latch requires two-step motion to detach.

Technical Specifications

Construction Acrylic plate mounted metal anodized frame
Plate Material 0.5″ acrylic
Insert Location Inserts directly into the accelerator head
Attachment Mechanism Two-step safety quick release
Weight  6.1 lbs
Marker Material Tungsten
Marker Size at Isocenter 2mm (every cm)
4mm (every 5th cm)
Marker Spacing (@ iso) 1cm
Marker Span (@ iso) 40 x 40cm
Coding Elekta beam block tray 126
Orientation Marker One off-diagonal marker allows for easy film orientation
Marker Attenuation
(water, 10cm depth, 100cm SAD)
Not applicable

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