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Job Description:

  • 1) Molds lead blocks to be used as shields in radiation therapy treatments: Lays out x-ray film taken of patient in treatment position and tapes film over grid on lighted table.

  • 2) Sets distances on mold cutting machine, duplicating distances from which x ray was taken.

  • 3) Calculates required thickness of block, based upon equipment to be used in treatment and applying knowledge of geometry.

  • 4) Aligns template and styrofoam piece in blocking tray over x-ray film.

  • 5) Guides hand held stylus along lines drawn on x-ray film or print showing area to be treated, simultaneously cutting styrofoam piece with hot wire to form styrofoam mold used in making block.

  • 6) Sets mold in vise and tightens metal clamps to hold mold securely in position.

  • 7) Pours heated lead alloy into mold to form block.

  • 8) Mounts cooled block on lucite board, using screws.

  • 9) Installs finished block in tray of machine and views superimposed outline of block on x-ray film to verify accuracy of block and adherence to standards.

  • 10) Records patient information on finished block.

  • 11) May transport patients to and from treatment area.




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End Of Job Description for: "BLOCK MAKER"
DOT:   719.381-018

Job Number: 870