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Part of a complete solution for implementing a prostate brachytherapy QA program as described by AAPM Task Group 128
Implement a QA program as described by AAPM Task Group 128 including:
Depth of penetration
Resolution
Distance, area and volume measurements
Geometric consistency
Includes rugged carry case
4-year manufacturers warranty
A robust quality assurance prostate brachytherapy QA program is essential to ensure accurate image guidance and dosimetry calculations. The CIRS Model 045 used in conjunction with the CIRS Model 053G Ultrasound Prostate Phantom offers a complete solution for implementing a QA program specific to transrectal ultrasound used for guidance of prostate brachytherapy as recommended by AAPM Task Group 128.
The Model 045 is designed to enable users to check key imaging parameters such as depth of penetration, axial and lateral resolution, distance measurements, area measurements, volume measurements and geometric consistency with the treatment planning computer.
When scanning towards the top of the phantom, a partial grid of wires appears. This N-shaped pattern should line up with the electronic grid that appears on your screen thus ensuring correct vertical and horizontal distance measurements. This target group can also be used to assess axial and lateral resolution of the system. Five cross wires are embedded within the phantom to determine if the probe is being retracted by the stepper system by the specified distance.
Turn the probe 60 degrees to the right or left to visualize and measure the volume of three different calibrated objects, one of which is non-spherical.
Complete your QA solution by also purchasing the Model 053G
Ultrasound Prostate Phantom. The Model 053G can be used to
verify alignment of the physical needle template with the electronic grid.
Model 045 Specifications US PATENT #5196343 Material: Zerdine ®(1) Attenuation Coefficient: 0.50 ± 0.05 dB/cm/MHz Speed of Sound: 1540 m/s ± 6 m/s Targets: Internal Grid Assessment: Material: Nylon Monofilament Diameter: 0.5 mm Number of Targets: 13 Position: B1 - B5, C4, D3, F1 - F5 Probe Retraction Assessment: Material: Nylon Monofilament Diameter: 0.5 mm Number of Targets: 5 Spacing: 0.1 cm, 1 cm, 1.5 cm and 0.5 cm Position: along row 4 Volumes: Material: Zerdine®(1) Sizes: approximately 4 cc,(S) 9 cc,(M) and 23 cc(L). Exact volumes
provided on certification sheet.
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