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CTP700 CT performance testing phantom
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Brief description:The CTP700 Performance Phantom is designed for use with state-of-the-art CT scanners and research requiring advanced phantoms to measure their full potential. The Phantom retains many of the tests and features offered on other Catphan models, including the CTP515 low-contrast module and integrated chassis mounting system.
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Detailed introduction
CTP700Performance phantoms are intended for use with advancedCTScanners and research require advanced phantom measurements to reach their full potential.Phantom Retained otherCatphanModels offer many tests and features includingCTP515Low contrast modules and integrated chassis mounting system. Other test subjects have improved upon this development, including in newCTP714High-resolution module adds up to30lp/cmtest pattern, inCTP682Smaller acrylic spheres, and additional bone and lung samples have been added to the low-contrast sphere array included in the Photoreceptor Geometry Module to assist customers with theirCTImages for radiotherapy treatment planning700Also contains newCTP721Wave injector for measuring slice geometry and resolution of the scanned area. In addition, in order to solve the problem due to scannerxandyDue to possible variations in the test pattern orientation of the axes, the phantom has a new rotation bracket. This allows the mounted phantom to be45°The spacing and alignment of the pawl rotation360°, to study possible angular position-dependent results. For detailed motif information,700Performance phantom manual and data sheet.700Performance phantom test summaryCTP682 -Photosensitivity measurement (linear)-Scan slice geometry-Slice sensitivity profile
-Slice width with two wire and bead ramps-Pixel (Matrix) Dimensions-circular symmetry-Dotted line position verification-Patient Alignment System Calibration-Scan increment
-MTFAlso use wire or bead point sources-Comparing targets using a volume-averaged sphereCTP714 -High resolution measurement-up to every centimeter30Line pairCTP515 -Low contrast sensitivity
-Comparing subslice and superslice low contrast sensitivityCTP721,CTP723 -Harmonics and intensity distribution of wave insertionCTP712
-spatial uniformity-Noise (accuracy）
CTP700 modules and selection notes
The existing CTP700 documentation organizes test items by module. Identify the imaging performance tasks first, then check the listed module configuration.
- CTP682 includes sensitometry, slice geometry and pixel-size related items; see the original details for the complete list.
- CTP714 addresses high resolution, CTP515 low-contrast sensitivity, and CTP712 spatial uniformity and noise.
- Module combinations and accessories should be checked separately for each Catphan model.
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