Low Energy Photon Beam Blocking System

REF: 53-418

The Low Energy Lead Block Kit consists of 14 pre-shaped clinical lead blocks to be used with photon energies 6MV or less. All surfaces are covered with white powder-coat paint. Each block is 6 cm thick (NCRP Report No. 102: thickness of lead required to reduce beam to 5%). The provided screws allow the blocks to be attached to standard 3/8″ beam block trays. The eye blocks are attached to the beam block trays with a single screw. All other lead blocks are attached with two screws. The system weighs 30 lbs.

System consists of:
Qty 2 Semicircular (kidney) – 50mm diameter
Qty 2 Square – 50mm x 50mm
Qty 2 Square (spinal cord) – 13mm x 100mm
Qty 4 Triangular – 40mm x 40mm
Qty 2 Circular (eye) – 10 mm diameter
Qty 2 Rectangular – 25mm x 80mm
Qty 11 Standard Thumb Screws   – 8/32 x ¾”
Qty 4 Eye Block Thumb Screws – 8/32 x ½”
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Technical Specifications


Material Lead
Surface Whit powder-coat paint
Quantity 14 blocks
Thickness 60 mm
Suggested Photon Energies 4 - 6 MV



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