All MEDTEC shadow trays are FDA-registered and precision-machined to exact specifications. Trays are available with standard or custom hole and slot patterns in your choice of polycarbonate (Lexan) or acrylic. MEDTEC trays feature precision-scribed axis lines and a locking notch coding system. Both analog and digital coding is available. Trays are available with or without a handle. |
| When choosing your blocking trays, it helps to understand the difference between these two materials. Polycarbonate (Lexan), which is virtually unbreakable due to rubber in the material’s formula, scratches easier than acrylic and will probably have a shorter service life. However, acrylic trays – while optically clear – break easier, which can potentially pose a problem with “heavier” blocking. Also, acrylic can become brittle with increased exposure to radiation, causing small cracks that originate in the bolt holes as a result of over-tightening. From a safety perspective, therefore, polycarbonate is the material of choice. However, you may choose acrylic for its longer service life. The decision of which material to use should be based on how carefully your trays will be handled and how heavy your blocks will weigh.
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MEDTEC tray adapters allow for standardization of a department’s blocking trays between different makes and models of simulators and linear accelerators. If one machine is out of service, the tray adapter will allow the blocking tray to be easily switched to another machine. The tray adapters are precision-constructed of anodized aluminum with positive-locking mechanisms. They can be custom-built to accommodate most treatment machines and simulators.
FDA 510(k)#944315
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