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| Fluke Biomedical Stock Number: 07-706 |
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PHANTOM/PENETROMETER SYSTEM, PATIENT To check the table-top output of image-intensified fluoroscopic equipment properly, a simulated body or phantom should be placed between the x-ray output meter and the input phosphor. The phantom protects the phosphor from the direct beam and provides the simulated attenuation needed to check the performance of image-intensifier systems. A penetrometer permits the determination of system contrast gradient under simulated operating conditions. Consists of: (a) Two 7" x 7" x 3/4" blocks of high-purity aluminum, which represent the equivalent absorption of 26 cms of water and simulate a thick or heavy-set patient at 90 kVp. A single block is the equivalent of a child or adult chest. Aluminum simulates the scatter characteristics of the human body. (b) One 7" x 7" x 1/8" lead beam-stop plate. When placed in the beam, this plate allows automatic brightness-control machines to deliver maximum output. (c) One 7" x 7" x 1/32" aluminum penetrometer plate with 1/4", 0.176", 1/8", 0.088", 1/16" holes. Place this plate between the two aluminum blocks and ascertain the contrast gradient of the penetrometer on image-amplified systems. (d) Two sets of legs: one 1-1/4" long, one 10-3/8" long. SPECIFICATIONS: Size: 7" x 7" x 1-7/8" high (17.8 cm x 17.8 cm x 4.7 cm). Net weight: 9-1/2 lbs. (4.3 kg) |
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