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IMRT Thorax Phantom

IMRT Thorax Phantom
Item Number :
682-510

CIRS IMRT Thorax Phantom

Details

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CIRS IMRT Thorax Phantom.

The CIRS IMRT Thorax Phantom is elliptical in shape and properly represents an average human torso in proportion, density, and two-dimensional structure. Measures 30 cm Long x 30 cm Wide x 20 cm Thick. 

•  Verify heterogeneity corrections.

•  Correlate CTU to electron density.

•  Check dose distributions in sensitive areas.

•  Check depth doses and absolute dose.

•  2D and 3D isodoses.

•  Calibrate film with an ion chamber & other detectors.

•  Verify individual patient treatment plans.

Tissue equivalent interchangeable rod inserts accommodate ionization chambers allowing for point dose measurements in multiple planes within the phantom.  Hole placement allows verification in the most critical areas of the chest.  One half of the phantom is divided into 12 sections, each 1 cm thick, to support radiographic or GafChromic® Film1.  Additional inserts are available to support a variety of other detectors including TLD’s, MOSFET, and diodes.

Handling, assembly and proper orientation of the phantom is made easy with the use of a unique alignment base and holding device.  The surfaces of the phantom are marked for ease of laser alignment.  CT markers are included to ensure accurate film to plan registration on the center film.

682-510 Includes the Following:
(1) Thorax section drilled to accommodate rod inserts.
(12) 1 cm thorax sections.
(1) 3 cm end section.
(1) Alignment base.
(1) Holding Device.
(5) Water equivalent solid rod inserts.
(1) Bone equivalent solid rod insert.
(4) Lung equivalent solid rod inserts.
(1) Set of CT to film fiducial markers.

Specifications
Overall Size:
  17" x 15" x 9" (43.2 cm x 38.1 cm x 22.9 cm)
Weight:
30 lbs. (11.2 kg)

Materials:
Phantom Body: Tissue Equivalent Epoxy Materials
Inserts:
CIRS Tissue Equivalent Materials (epoxy resin based)

Insert Options:
Customers are encouraged to complete their order with the purchase of at least one (1) each insert option listed below.  Customer must specify ion chamber and / or cavity code*.
682-533 Water Equivalent Rod Insert with Ion Chamber Cavity
682-534 Bone Equivalent Rod Insert with Ion Chamber Cavity
682-535 Lung  Equivalent Rod Insert with Ion Chamber Cavity

References:

Vatnitsky S. Commissioning of Radiotherapy Treatment Planning Systems: Testing for Typical External Beam Treatment Techniques. 1583rd ed. (Brunckhorst E, Gershkevitsh E, Ibbott G, et al., eds.). IAEA. 2008.

Gershkevitsh, Eduard, et al., Dosimetric Verification of Radiotherapy Treatment Planning Systems: Results of IAEA Pilot Study. 2008 Elsevier Ireland Ltd., Radiotherapy and Oncology 89 (2009) 338-346, pgs. 338-346, March 2009.

Zhao, Y. et al., Monte Carlo evaluation of a treatment planning system for helical tomotherapy in an anthropomorphic hetergeneous phantom and for clinical treatment plans. Med. Phys., vol. 35 (12), pgs. 5366-5374, December 2008.

Luo, W., et al., Analysis of image quality for real-time target tracking using simultaneous kV-MV imaging. Med. Phys., vol. 35 (12), pgs. 5501-5509, December 2008.

Brunckhorst E., et al., Commissioning of Radiotherapy Treatment Planning Systems: Testing for Typical External Beam Treatment Techniques. IAEA, International Atomic Energy Agency, IAEA-TECDOC-1583, pgs. 1-67, January 2008.

Altman, M., et al., A Novel Phantom for use in 3-dimensional In Vitro Cell Experiments. Med. Phys., vol. 33 (6), pgs. 2058-2059, Poster # SU-FF-T-40, June 2006.

*See Documents tab for ion chamber cavity code chart.


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