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  Home > Radiology > Tissue Simulation & Phantom > Radiation Therapy >

RSD Heart/Thorax Phantom
RSD Heart/Thorax Phantom


 
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Product Code: RS-800T

Details
 
The heart/thorax phantom is ideal for evaluation of detectability, extent and servility of mycardial infarcts in patients. This Phantom also provides a valid assesment of mammoscintigraphy techniques. The Striatal Phantom optimizes quantitative imaging in patients, using PET or SPECT.

Features and Benefits

  • Basic Thorax
    • The thorax is molded of polyurethane, modified for tissue-equivalence, with a mass density of 1.10 g/cc. The narrow beam linear attenuation coefficient measured at 140 keV (Tc-99m) is 0.160 cm -1.
    • The skeleton, embedded in the soft tissue, extends from the suprasternal notch down to L2. The RSD materials closely meet the standards of the International Commission on Radiation Units and Measurement (ICRU) Report No. 44 (Tissue Substitutes in Radiation Dosimetry and Measurement, 1989) for both the cortical and spongiosa components of the human skeleton. The mass densities are 1.88 g/cc for cortical bone and 1.16 g/cc for spongiosa. The narrow beam linear attenuation coefficient for the cortical component, measured at 140 keV, is 0.280 cm-1.
    • The volume of the thoracic cavity, when all organs (heart, lungs, and liver) are inserted, is about 8,200 ml. It is filled from the top, with either an inert or a radioactive solution, to simulate the thoracic background.
    • A valve is installed at the base for conveniently draining the phantom. The residue on the walls of the cavity can be easily flushed with the fittings provided at the top of the phantom. A second, smaller fitting is also provided as an air-bleed during filling.
  • Heart
    • An accurately anatomic heart model is based on vacuum-formed shells. It was designed using high resolution, contrast-enhanced, ultrafast CT data from a normal patient, slightly modified to facilitate its use.
    • The left and right chambers are connected at the atrium region to make a single compartment which can be filled and flushed independently using two ports labeled HC (heart chambers). The right ventricle is slightly modified to allow air to escape during filling. The myocardial wall (MW) has two ports, flushing and independent filling. The volume of the heart chambers is 284 ml, while the volume of the myocardial wall is 238 ml, without inserted defects.
    • The standard model includes three defects with volumes of 8.9, 13.5, and 41.7 ml, respectively. Each of the defects can be filled separately.
    • Defects of different dimensions can be ordered at no added cost. A disassembled heart is sent on request, so that dimensions of a special set can be established. Note that different defects cannot be retrofitted in the assembled heart.
  • Lungs
    • Perfusable lungs are molded in hollow, vacuum-formed shells, filled with styofoam beads. The final mass density of 0.40 g/cc is attained by adding an inert or radioactive solution through a filling port at the top of each lung shell. Extra sets of lungs can also be furnished for work continuity. The volumes of the left and right lung shells are 907 ml and 1,134 ml, respectively.
  • Liver
    • A liver with a volume of 980 ml is included to evaluate the effect of its uptake on quantitative myocardial imaging. It is a vacuum-formed shell, mounted on acrylic tubes to minimize artifacts. The liver can be filled with an inert or radioactive solution.
  • Fillable External Markers
    • A liver with a volume of 980 ml is included to evaluate the effect of its uptake on quantitative myocardial imaging. It is a vacuum-formed shell, mounted on acrylic tubes to minimize artifacts. The liver can be filled with an inert or radioactive solution.
  • Removable Breasts and Tumors
    • The thoracic phantom without the overlay simulates an average male patient. The overlay, with or without breasts, simulates a large female or a still larger male patient, respectively. It is then possible to evaluate the effect of additional attenuation and scatter on quantitative myocardial imaging.
    • The volume of each vacuum-formed breast is 972 ml. A tumor, filled with a radioactive solution can be inserted to evaluate the planar and tomographic imaging techniques used for mammoscintigraphy-(2). A set of breast tumors (3, 6, 9, 12 and 15 mm diameters) is included. They are supported by thin, threaded nylon rods which pass through ports and are sealed by O-rings. They can be bent by hand to reach any part of a breast.
    • The thorax is mounted on a base plate with an O-ring seal. Four rubber feet provide space under the phantom for drain fittings the base plate is removed readily to provide access to the interior of the phantom.
Materials Included
  • (1) Thoracic Cavity with the bottom plate
  • (1) Heart with 2 hollow defects in myocardial wall standard sizes
  • (2) Perfusable Lungs with Styrofoam beads
  • (1) Liver Shell
  • (2) Removable Breasts and Tumors
  • (10) Threaded Nylon Tumor Support Rods
  • (5) Fillable External Markers
  • User Manual
Warranty Information
  • 1-Year Warranty

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