ALDERSON PHANTOMS COMPUTED TOMOGRAPHY HEAD PHANTOMS SECTION A: Aluminum plates, measure beam width and slice SECTION B: The dosimetry section provides patient-exposure controls, and checks on abnormal internal doses before actual patient scans. TLD with rods or chips is available. Computed Tomography Head Phantom • Molded Around Skull * Checks Important Physical Parameters • Provides Realistic System Check • Polycarbonate Base Dimensioned For Scans Parallel or Perpendicular to Longitudinal Axis SECTION C: Cylindrical tumors of graded sizes and radiodensities establish high and low-contrast resolution and demonstrate partial beam-averaging effects. phic section provides actual auditory ossicles in an air-contrast inner ear and a fractured petrous bone. Small tumors in the posterior fossa are placed in an area which most scanners image with difficulty. longitudinal axis, checks general alignment, and "Dry Water" gives a realistic "noise check." RADIOLOGY SUPPORT DEVICES Radiology Support Devices Inc., 1904 E. Dominguez St., Long Beach, CA 90810 310-518-0527 800-221-0527 Fax 310-518-0806 www.rsdphantorns.com • [email protected]